Fix NEWS formatting

Fix runGist

.Rbuildignore

@@ -11,5 +11,6 @@
 ^\.travis\.yml$
 ^staticdocs$
 ^tools$
+^srcjs$
 ^CONTRIBUTING.md$
 ^cran-comments.md$

.gitattributes

@@ -1 +1,4 @@
 /NEWS merge=union
+/inst/www/shared/shiny.js -merge -diff
+*.min.js -merge -diff
+*.js.map -merge -diff

.travis.yml

@@ -1,27 +1,12 @@
-# it is not really python, but there is no R support on Travis CI yet
-language: python
+language: r
+warnings_are_errors: true
 
-# environment variables
-env:
-  - R_LIBS_USER=~/R R_MY_PKG="$(basename $TRAVIS_REPO_SLUG)"
+r_binary_packages:
+  - Rcpp
+  - cairo
+  - knitr
 
-# install dependencies
-install:
-  - sudo apt-add-repository -y "deb http://cran.rstudio.com/bin/linux/ubuntu `lsb_release -cs`/"
-  - sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys E084DAB9
-  - sudo apt-add-repository -y ppa:marutter/c2d4u
-  - sudo apt-get -qq update
-  - sudo apt-get -qq install r-base r-cran-shiny r-cran-cairo r-cran-devtools r-cran-knitr
-  - "[ ! -d ~/R ] && mkdir ~/R"
-  - echo "options(repos = c(CRAN = 'http://cran.rstudio.com'))" > ~/.Rprofile
-  - Rscript -e "update.packages(instlib = '~/R', ask = FALSE, quiet = TRUE)"
-  - Rscript -e "devtools::install_deps(dep = TRUE)"
-
-# run tests
-script:
-  - cd ..; rm -f *.tar.gz; R CMD build $R_MY_PKG
-  - R CMD check $R_MY_PKG*.tar.gz --no-manual
-
-after_failure:
-  - cat $R_MY_PKG.Rcheck/00install.out || true
-  - cat $R_MY_PKG.Rcheck/00check.log || true
+notifications:
+  email:
+    on_success: change
+    on_failure: change

DESCRIPTION

@@ -1,8 +1,8 @@
 Package: shiny
 Type: Package
 Title: Web Application Framework for R
-Version: 0.11.1
-Date: 2015-02-10
+Version: 0.12.2
+Date: 2015-08-04
 Authors@R: c(
     person("Winston", "Chang", role = c("aut", "cre"), email = "winston@rstudio.com"),
     person("Joe", "Cheng", role = "aut", email = "joe@rstudio.com"),
@@ -42,6 +42,8 @@ Authors@R: c(
     comment = "es5-shim library"),
     person("Denis", "Ineshin", role = c("ctb", "cph"),
     comment = "ion.rangeSlider library"),
+    person("Sami", "Samhuri", role = c("ctb", "cph"),
+    comment = "Javascript strftime library"),
     person(family = "SpryMedia Limited", role = c("ctb", "cph"),
     comment = "DataTables library"),
     person("John", "Fraser", role = c("ctb", "cph"),
@@ -53,19 +55,19 @@ Authors@R: c(
     person(family = "R Core Team", role = c("ctb", "cph"),
     comment = "tar implementation from R")
     )
-Description: Shiny makes it incredibly easy to build interactive web
+Description: Makes it incredibly easy to build interactive web
     applications with R. Automatic "reactive" binding between inputs and
     outputs and extensive pre-built widgets make it possible to build
     beautiful, responsive, and powerful applications with minimal effort.
 License: GPL-3 | file LICENSE
 Depends:
-    R (>= 3.0.0)
+    R (>= 3.0.0),
+    methods
 Imports:
-    tools,
     utils,
-    httpuv (>= 1.3.2),
-    mime (>= 0.1.3),
-    RJSONIO,
+    httpuv (>= 1.3.3),
+    mime (>= 0.3),
+    jsonlite (>= 0.9.16),
     xtable,
     digest,
     htmltools (>= 0.2.6),
@@ -75,7 +77,8 @@ Suggests:
     Cairo (>= 1.5-5),
     testthat,
     knitr (>= 1.6),
-    markdown
+    markdown,
+    ggplot2
 URL: http://shiny.rstudio.com
 BugReports: https://github.com/rstudio/shiny/issues
 Collate:
@@ -92,7 +95,23 @@ Collate:
     'hooks.R'
     'html-deps.R'
     'htmltools.R'
+    'image-interact-opts.R'
+    'image-interact.R'
     'imageutils.R'
+    'input-action.R'
+    'input-checkbox.R'
+    'input-checkboxgroup.R'
+    'input-date.R'
+    'input-daterange.R'
+    'input-file.R'
+    'input-numeric.R'
+    'input-password.R'
+    'input-radiobuttons.R'
+    'input-select.R'
+    'input-slider.R'
+    'input-submit.R'
+    'input-text.R'
+    'input-utils.R'
     'jqueryui.R'
     'middleware-shiny.R'
     'middleware.R'
@@ -101,13 +120,14 @@ Collate:
     'react.R'
     'reactive-domains.R'
     'reactives.R'
+    'render-plot.R'
     'run-url.R'
+    'server-input-handlers.R'
     'server.R'
     'shiny.R'
     'shinyui.R'
     'shinywrappers.R'
     'showcase.R'
-    'slider.R'
     'tar.R'
     'timer.R'
     'update-input.R'

LICENSE

@@ -15,6 +15,7 @@ these components are included below):
 - selectize.js, https://github.com/brianreavis/selectize.js
 - es5-shim, https://github.com/es-shims/es5-shim
 - ion.rangeSlider, https://github.com/IonDen/ion.rangeSlider
+- strftime for Javascript, https://github.com/samsonjs/strftime
 - DataTables, https://github.com/DataTables/DataTables
 - showdown.js, https://github.com/showdownjs/showdown
 - highlight.js, https://github.com/isagalaev/highlight.js
@@ -1051,6 +1052,31 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.
 
 
+strftime for Javascript License
+----------------------------------------------------------------------
+
+The MIT License (MIT)
+Copyright © 2015 Sami Samhuri, http://samhuri.net <sami@samhuri.net>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the “Software”), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
+
 DataTables License
 ----------------------------------------------------------------------
 

NAMESPACE

@@ -1,4 +1,4 @@
-# Generated by roxygen2 (4.1.0): do not edit by hand
+# Generated by roxygen2 (4.1.1): do not edit by hand
 
 S3method("$",reactivevalues)
 S3method("$",shinyoutput)
@@ -35,8 +35,11 @@ export(as.shiny.appobj)
 export(basicPage)
 export(bootstrapPage)
 export(br)
+export(brushOpts)
+export(brushedPoints)
 export(checkboxGroupInput)
 export(checkboxInput)
+export(clickOpts)
 export(code)
 export(column)
 export(conditionalPanel)
@@ -44,6 +47,7 @@ export(createWebDependency)
 export(dataTableOutput)
 export(dateInput)
 export(dateRangeInput)
+export(dblclickOpts)
 export(div)
 export(downloadButton)
 export(downloadHandler)
@@ -67,6 +71,7 @@ export(h5)
 export(h6)
 export(headerPanel)
 export(helpText)
+export(hoverOpts)
 export(hr)
 export(htmlOutput)
 export(icon)
@@ -98,6 +103,7 @@ export(maskReactiveContext)
 export(navbarMenu)
 export(navbarPage)
 export(navlistPanel)
+export(nearPoints)
 export(need)
 export(numericInput)
 export(observe)
@@ -174,6 +180,8 @@ export(updateCheckboxGroupInput)
 export(updateCheckboxInput)
 export(updateDateInput)
 export(updateDateRangeInput)
+export(updateNavbarPage)
+export(updateNavlistPanel)
 export(updateNumericInput)
 export(updateRadioButtons)
 export(updateSelectInput)
@@ -194,6 +202,6 @@ import(R6)
 import(digest)
 import(htmltools)
 import(httpuv)
+import(methods)
 import(mime)
 import(xtable)
-importFrom(RJSONIO,fromJSON)

NEWS

@@ -1,3 +1,104 @@
+shiny 0.12.2
+--------------------------------------------------------------------------------
+
+* GitHub changed URLs for gists from .tar.gz to .zip, so `runGist` was updated
+  to work with the new URLs.
+
+* Callbacks from the session object are now guaranteed to execute in the order
+  in which registration occurred.
+
+* Minor bugs in sliderInput's animation behavior have been fixed. (#852)
+
+* Updated to ion.rangeSlider to 2.0.12.
+
+* Added `shiny.minified` option, which controls whether the minified version
+  of shiny.js is used. Setting it to FALSe can be useful for debugging. (#826,
+  #850)
+
+* Fixed an issue for outputting plots from ggplot objects which also have an
+  additional class whose print method takes precedence over `print.ggplot`.
+  (#840, 841)
+
+* Added `width` option to Shiny's input functions. (#589, #834)
+
+* Added two alias functions of `updateTabsetPanel()` to update the selected tab:
+  `updateNavbarPage()` and `updateNavlistPanel()`. (#881)
+
+* All non-base functions are now explicitly namespaced, to pass checks in
+  R-devel.
+
+* Shiny now correctly handles HTTP HEAD requests. (#876)
+
+shiny 0.12.1
+--------------------------------------------------------------------------------
+
+* Fixed an issue where unbindAll() causes subsequent bindAll() to be ignored for
+  previously bound outputs. (#856)
+
+* Undeprecate `dataTableOutput` and `renderDataTable`, which had been deprecated
+  in favor of the new DT package. The DT package is a bit too new and has a
+  slightly different API, we were too hasty in deprecating the existing Shiny
+  functions.
+
+shiny 0.12.0
+--------------------------------------------------------------------------------
+
+* Switched from RJSONIO to jsonlite. This improves consistency and speed when
+  converting between R data structures and JSON. One notable change is that
+  POSIXt objects are now serialized to JSON in UTC8601 format (like
+  "2015-03-20T20:00:00Z"), instead of as seconds from the epoch).
+
+* In addition to the existing support for clicking and hovering on plots
+  created by base graphics, added support for double-clicking and brushing.
+  (#769)
+
+* Added support for clicking, hovering, double-clicking, and brushing for
+  plots created by ggplot2, including support for facets. (#802)
+
+* Added `nearPoints` and `brushedPoints` functions for easily selecting rows of
+  data that are clicked/hovered, or brushed. (#802)
+
+* Added `shiny.port` option. If this is option is set, `runApp()` will listen on
+  this port by default. (#756)
+
+* `runUrl`, `runGist`, and `runGitHub` now can save downloaded applications,
+  with the `destdir` argument. (#688)
+
+* Restored ability to set labels for `selectInput`. (#741)
+
+* Travis continuous integration now uses Travis's native R support.
+
+* Fixed encoding issue when the server receives data from the client browser.
+  (#742)
+
+* The `session` object now has class `ShinySession`, making it easier to test
+  whether an object is indeed a session object. (#720, #746)
+
+* Fix JavaScript error when an output appears in nested uiOutputs. (Thanks,
+  Gregory Zhang. #749)
+
+* Eliminate delay on receiving new value when `updateSliderInput(value=...)` is
+  called.
+
+* Updated to DataTables (Javascript library) 1.10.5.
+
+* Fixed downloading of files that have no filename extension. (#575, #753)
+
+* Fixed bug where nested UI outputs broke outputs. (#749, #750)
+
+* Removed unneeded HTML ID attributes for `checkboxGroupInputs` and
+  `radioButtons`. (#684)
+
+* Fixed bug where checkboxes were still active even after `Shiny.unbindAll()`
+  was called. (#206)
+
+* The server side selectize input will load the first 1000 options by default
+  before users start to type and search in the box. (#823)
+
+* renderDataTable() and dataTableOutput() have been deprecated in shiny and will
+  be removed in future versions of shiny. Please use the DT package instead:
+  http://rstudio.github.io/DT/ (#807)
+
 shiny 0.11.1
 --------------------------------------------------------------------------------
 
@@ -18,6 +119,9 @@ shiny 0.11.1
 
 * Better vertical spacing of label for checkbox groups and radio buttons.
 
+* `selectInput` correctly uses width for both selectize and non-selectize
+  inputs. (#702)
+
 * The wrapper tag generated by `htmlOutput` and `uiOutput` can now be any type
   of HTML tag, instead of just span and div. Also, custom classes are now
   allowed on the tag. (#704)

R/app.R

@@ -91,7 +91,7 @@ shinyApp <- function(ui=NULL, server=NULL, onStart=NULL, options=list(),
 #'   file and either ui.R or www/index.html)
 #' @export
 shinyAppDir <- function(appDir, options=list()) {
-  if (!file_test('-d', appDir)) {
+  if (!utils::file_test('-d', appDir)) {
     stop("No Shiny application exists at the path \"", appDir, "\"")
   }
 

R/bootstrap-layout.R

@@ -308,8 +308,8 @@ verticalLayout <- function(..., fluid = TRUE) {
 #'
 #' Lays out elements in a left-to-right, top-to-bottom arrangement. The elements
 #' on a given row will be top-aligned with each other. This layout will not work
-#' well with elements that have a percentage-based width (e.g. `plotOutput` at
-#' its default setting of `width = "100%"`).
+#' well with elements that have a percentage-based width (e.g.
+#' \code{\link{plotOutput}} at its default setting of \code{width = "100\%"}).
 #'
 #' @param ... Unnamed arguments will become child elements of the layout. Named
 #'   arguments will become HTML attributes on the outermost tag.

R/fileupload.R

@@ -81,33 +81,47 @@ FileUploadOperation <- R6Class(
 #' @include map.R
 FileUploadContext <- R6Class(
   'FileUploadContext',
-  portable = FALSE,
   class = FALSE,
+  private = list(
+    basedir = character(0),
+    operations = 'Map',
+    ids = character(0)  # Keep track of all ids used for file uploads
+  ),
   public = list(
-    .basedir = character(0),
-    .operations = 'Map',
-
     initialize = function(dir=tempdir()) {
-      .basedir <<- dir
-      .operations <<- Map$new()
+      private$basedir <- dir
+      private$operations <- Map$new()
     },
     createUploadOperation = function(fileInfos) {
       while (TRUE) {
         id <- paste(as.raw(p_runif(12, min=0, max=0xFF)), collapse='')
-        dir <- file.path(.basedir, id)
+        private$ids <- c(private$ids, id)
+        dir <- file.path(private$basedir, id)
         if (!dir.create(dir))
           next
 
         op <- FileUploadOperation$new(self, id, dir, fileInfos)
-        .operations$set(id, op)
+        private$operations$set(id, op)
         return(id)
       }
     },
     getUploadOperation = function(jobId) {
-      .operations$get(jobId)
+      private$operations$get(jobId)
     },
     onJobFinished = function(jobId) {
-      .operations$remove(jobId)
+      private$operations$remove(jobId)
+    },
+    # Remove the directories containing file uploads; this is to be called when
+    # a session ends.
+    rmUploadDirs = function() {
+      # Make sure all_paths is underneath the tempdir()
+      if (!grepl(normalizePath(tempdir()), normalizePath(private$basedir), fixed = TRUE)) {
+        stop("Won't remove upload path ", private$basedir,
+          "because it is not under tempdir(): ", tempdir())
+      }
+
+      all_paths <- file.path(private$basedir, private$ids)
+      unlink(all_paths, recursive = TRUE)
     }
   )
 )

R/globals.R

@@ -7,3 +7,17 @@
   # the private seed during load.
   withPrivateSeed(reinitializeSeed())
 }
+
+.onAttach <- function(libname, pkgname) {
+  # Check for htmlwidgets version, if installed. As of Shiny 0.12.0 and
+  # htmlwidgets 0.4, both packages switched from RJSONIO to jsonlite. Because of
+  # this change, Shiny 0.12.0 will work only with htmlwidgets >= 0.4, and vice
+  # versa.
+  if (system.file(package = "htmlwidgets") != "" &&
+      utils::packageVersion("htmlwidgets") < "0.4") {
+    packageStartupMessage(
+      "This version of Shiny is designed to work with htmlwidgets >= 0.4. ",
+      "Please upgrade your version of htmlwidgets."
+    )
+  }
+}

R/graph.R

@@ -1,5 +1,5 @@
 writeReactLog <- function(file=stdout()) {
-  cat(RJSONIO::toJSON(.graphStack$as_list(), pretty=TRUE), file=file)
+  cat(toJSON(.graphStack$as_list(), pretty=TRUE), file=file)
 }
 
 #' Reactive Log Visualizer
@@ -37,7 +37,7 @@ writeReactLog <- function(file=stdout()) {
 #'
 #' @export
 showReactLog <- function() {
-  browseURL(renderReactLog())
+  utils::browseURL(renderReactLog())
 }
 
 renderReactLog <- function() {
@@ -91,7 +91,7 @@ renderReactLog <- function() {
   .graphAppend(list(
     action = 'valueChange',
     id = label,
-    value = paste(capture.output(str(value)), collapse='\n')
+    value = paste(utils::capture.output(utils::str(value)), collapse='\n')
   ))
 }
 

R/image-interact-opts.R

@@ -0,0 +1,136 @@
+#' Create an object representing click options
+#'
+#' This generates an object representing click options, to be passed as the
+#' \code{click} argument of \code{\link{imageOutput}} or
+#' \code{\link{plotOutput}}.
+#'
+#' @param id Input value name. For example, if the value is \code{"plot_click"},
+#'   then the click coordinates will be available as \code{input$plot_click}.
+#' @param clip Should the click area be clipped to the plotting area? If FALSE,
+#'   then the server will receive click events even when the mouse is outside
+#'   the plotting area, as long as it is still inside the image.
+#' @export
+clickOpts <- function(id = NULL, clip = TRUE) {
+  if (is.null(id))
+    stop("id must not be NULL")
+
+  list(
+    id = id,
+    clip = clip
+  )
+}
+
+
+#' Create an object representing double-click options
+#'
+#' This generates an object representing dobule-click options, to be passed as
+#' the \code{dblclick} argument of \code{\link{imageOutput}} or
+#' \code{\link{plotOutput}}.
+#'
+#' @param id Input value name. For example, if the value is
+#'   \code{"plot_dblclick"}, then the click coordinates will be available as
+#'   \code{input$plot_dblclick}.
+#' @param clip Should the click area be clipped to the plotting area? If FALSE,
+#'   then the server will receive double-click events even when the mouse is
+#'   outside the plotting area, as long as it is still inside the image.
+#' @param delay Maximum delay (in ms) between a pair clicks for them to be
+#'   counted as a double-click.
+#' @export
+dblclickOpts <- function(id = NULL, clip = TRUE, delay = 400) {
+  if (is.null(id))
+    stop("id must not be NULL")
+
+  list(
+    id = id,
+    clip = clip,
+    delay = delay
+  )
+}
+
+#' Create an object representing hover options
+#'
+#' This generates an object representing hovering options, to be passed as the
+#' \code{hover} argument of \code{\link{imageOutput}} or
+#' \code{\link{plotOutput}}.
+#'
+#' @param id Input value name. For example, if the value is \code{"plot_hover"},
+#'   then the hover coordinates will be available as \code{input$plot_hover}.
+#' @param delay How long to delay (in milliseconds) when debouncing or
+#'   throttling, before sending the mouse location to the server.
+#' @param delayType The type of algorithm for limiting the number of hover
+#'   events. Use \code{"throttle"} to limit the number of hover events to one
+#'   every \code{delay} milliseconds. Use \code{"debounce"} to suspend events
+#'   while the cursor is moving, and wait until the cursor has been at rest for
+#'   \code{delay} milliseconds before sending an event.
+#' @param clip Should the hover area be clipped to the plotting area? If FALSE,
+#'   then the server will receive hover events even when the mouse is outside
+#'   the plotting area, as long as it is still inside the image.
+#' @param nullOutside If \code{TRUE} (the default), the value will be set to
+#'   \code{NULL} when the mouse exits the plotting area. If \code{FALSE}, the
+#'   value will stop changing when the cursor exits the plotting area.
+#' @export
+hoverOpts <- function(id = NULL, delay = 300,
+                      delayType = c("debounce", "throttle"), clip = TRUE,
+                      nullOutside = TRUE) {
+  if (is.null(id))
+    stop("id must not be NULL")
+
+  list(
+    id = id,
+    delay = delay,
+    delayType = match.arg(delayType),
+    clip = clip,
+    nullOutside = nullOutside
+  )
+}
+
+#' Create an object representing brushing options
+#'
+#' This generates an object representing brushing options, to be passed as the
+#' \code{brush} argument of \code{\link{imageOutput}} or
+#' \code{\link{plotOutput}}.
+#'
+#' @param id Input value name. For example, if the value is \code{"plot_brush"},
+#'   then the coordinates will be available as \code{input$plot_brush}.
+#' @param fill Fill color of the brush.
+#' @param stroke Outline color of the brush.
+#' @param opacity Opacity of the brush
+#' @param delay How long to delay (in milliseconds) when debouncing or
+#'   throttling, before sending the brush data to the server.
+#' @param delayType The type of algorithm for limiting the number of brush
+#'   events. Use \code{"throttle"} to limit the number of brush events to one
+#'   every \code{delay} milliseconds. Use \code{"debounce"} to suspend events
+#'   while the cursor is moving, and wait until the cursor has been at rest for
+#'   \code{delay} milliseconds before sending an event.
+#' @param clip Should the brush area be clipped to the plotting area? If FALSE,
+#'   then the user will be able to brush outside the plotting area, as long as
+#'   it is still inside the image.
+#' @param direction The direction for brushing. If \code{"xy"}, the brush can be
+#'   drawn and moved in both x and y directions. If \code{"x"}, or \code{"y"},
+#'   the brush wil work horizontally or vertically.
+#' @param resetOnNew When a new image is sent to the browser (via
+#'   \code{\link{renderImage}}), should the brush be reset? The default,
+#'   \code{FALSE}, is useful if you want to update the plot while keeping the
+#'   brush. Using \code{TRUE} is useful if you want to clear the brush whenever
+#'   the plot is updated.
+#' @export
+brushOpts <- function(id = NULL, fill = "#9cf", stroke = "#036",
+                      opacity = 0.25, delay = 300,
+                      delayType = c("debounce", "throttle"), clip = TRUE,
+                      direction = c("xy", "x", "y"),
+                      resetOnNew = FALSE) {
+  if (is.null(id))
+    stop("id must not be NULL")
+
+  list(
+    id = id,
+    fill = fill,
+    stroke = stroke,
+    opacity = opacity,
+    delay = delay,
+    delayType = match.arg(delayType),
+    clip = clip,
+    direction = match.arg(direction),
+    resetOnNew = resetOnNew
+  )
+}

R/image-interact.R

@@ -0,0 +1,437 @@
+#' Find rows of data that are selected by a brush
+#'
+#' This function returns rows from a data frame which are under a brush used
+#' with \code{\link{plotOutput}}.
+#'
+#' It is also possible for this function to return all rows from the input data
+#' frame, but with an additional column \code{selected_}, which indicates which
+#' rows of the input data frame are selected by the brush (\code{TRUE} for
+#' selected, \code{FALSE} for not-selected). This is enabled by setting
+#' \code{allRows=TRUE} option.
+#'
+#' The \code{xvar}, \code{yvar}, \code{panelvar1}, and \code{panelvar2}
+#' arguments specify which columns in the data correspond to the x variable, y
+#' variable, and panel variables of the plot. For example, if your plot is
+#' \code{plot(x=cars$speed, y=cars$dist)}, and your brush is named
+#' \code{"cars_brush"}, then you would use \code{brushedPoints(cars,
+#' input$cars_brush, "speed", "dist")}.
+#'
+#' For plots created with ggplot2, it should not be necessary to specify the
+#' column names; that information will already be contained in the brush,
+#' provided that variables are in the original data, and not computed. For
+#' example, with \code{ggplot(cars, aes(x=speed, y=dist)) + geom_point()}, you
+#' could use \code{brushedPoints(cars, input$cars_brush)}. If, however, you use
+#' a computed column, like \code{ggplot(cars, aes(x=speed/2, y=dist)) +
+#' geom_point()}, then it will not be able to automatically extract column names
+#' and filter on them. If you want to use this function to filter data, it is
+#' recommended that you not use computed columns; instead, modify the data
+#' first, and then make the plot with "raw" columns in the modified data.
+#'
+#' If a specified x or y column is a factor, then it will be coerced to an
+#' integer vector. If it is a character vector, then it will be coerced to a
+#' factor and then integer vector. This means that the brush will be considered
+#' to cover a given character/factor value when it covers the center value.
+#'
+#' If the brush is operating in just the x or y directions (e.g., with
+#' \code{brushOpts(direction = "x")}, then this function will filter out points
+#' using just the x or y variable, whichever is appropriate.
+#'
+#' @param brush The data from a brush, such as \code{input$plot_brush}.
+#' @param df A data frame from which to select rows.
+#' @param xvar,yvar A string with the name of the variable on the x or y axis.
+#'   This must also be the name of a column in \code{df}. If absent, then this
+#'   function will try to infer the variable from the brush (only works for
+#'   ggplot2).
+#' @param panelvar1,panelvar2 Each of these is a string with the name of a panel
+#'   variable. For example, if with ggplot2, you facet on a variable called
+#'   \code{cyl}, then you can use \code{"cyl"} here. However, specifying the
+#'   panel variable should not be necessary with ggplot2; Shiny should be able
+#'   to auto-detect the panel variable.
+#' @param allRows If \code{FALSE} (the default) return a data frame containing
+#'   the selected rows. If \code{TRUE}, the input data frame will have a new
+#'   column, \code{selected_}, which indicates whether the row was inside the
+#'   brush (\code{TRUE}) or outside the brush (\code{FALSE}).
+#'
+#' @seealso \code{\link{plotOutput}} for example usage.
+#' @export
+brushedPoints <- function(df, brush, xvar = NULL, yvar = NULL,
+                          panelvar1 = NULL, panelvar2 = NULL,
+                          allRows = FALSE) {
+  if (is.null(brush)) {
+    if (allRows)
+      df$selected_ <- FALSE
+    else
+      df <- df[0, , drop = FALSE]
+
+    return(df)
+  }
+
+  if (is.null(brush$xmin)) {
+    stop("brushedPoints requires a brush object with xmin, xmax, ymin, and ymax.")
+  }
+
+  # Which direction(s) the brush is selecting over. Direction can be 'x', 'y',
+  # or 'xy'.
+  use_x <- grepl("x", brush$direction)
+  use_y <- grepl("y", brush$direction)
+
+  # Try to extract vars from brush object
+  xvar      <- xvar      %OR% brush$mapping$x
+  yvar      <- yvar      %OR% brush$mapping$y
+  panelvar1 <- panelvar1 %OR% brush$mapping$panelvar1
+  panelvar2 <- panelvar2 %OR% brush$mapping$panelvar2
+
+  # Filter out x and y values
+  keep_rows <- rep(TRUE, nrow(df))
+  if (use_x) {
+    if (is.null(xvar))
+      stop("brushedPoints: not able to automatically infer `xvar` from brush")
+    # Extract data values from the data frame
+    x <- asNumber(df[[xvar]])
+    keep_rows <- keep_rows & (x >= brush$xmin & x <= brush$xmax)
+  }
+  if (use_y) {
+    if (is.null(yvar))
+      stop("brushedPoints: not able to automatically infer `yvar` from brush")
+    y <- asNumber(df[[yvar]])
+    keep_rows <- keep_rows & (y >= brush$ymin & y <= brush$ymax)
+  }
+
+  # Find which rows are matches for the panel vars (if present)
+  if (!is.null(panelvar1))
+    keep_rows <- keep_rows & panelMatch(brush$panelvar1, df[[panelvar1]])
+  if (!is.null(panelvar2))
+    keep_rows <- keep_rows & panelMatch(brush$panelvar2, df[[panelvar2]])
+
+  if (allRows) {
+    df$selected_ <- keep_rows
+    df
+  } else {
+    df[keep_rows, , drop = FALSE]
+  }
+}
+
+# The `brush` data structure will look something like the examples below.
+# For base graphics, `mapping` is empty, and there are no panelvars:
+# List of 8
+#  $ xmin   : num 3.73
+#  $ xmax   : num 4.22
+#  $ ymin   : num 13.9
+#  $ ymax   : num 19.8
+#  $ mapping: Named list()
+#  $ domain :List of 4
+#   ..$ left  : num 1.36
+#   ..$ right : num 5.58
+#   ..$ bottom: num 9.46
+#   ..$ top   : num 34.8
+#  $ range  :List of 4
+#   ..$ left  : num 58
+#   ..$ right : num 429
+#   ..$ bottom: num 226
+#   ..$ top   : num 58
+#  $ log    :List of 2
+#   ..$ x: NULL
+#   ..$ y: NULL
+#  $ direction: chr "y"
+#
+# For ggplot2, the mapping vars usually will be included, and if faceting is
+# used, they will be listed as panelvars:
+# List of 10
+#  $ xmin     : num 3.18
+#  $ xmax     : num 3.78
+#  $ ymin     : num 17.1
+#  $ ymax     : num 20.4
+#  $ panelvar1: int 6
+#  $ panelvar2: int 0
+#  $ mapping  :List of 4
+#   ..$ x        : chr "wt"
+#   ..$ y        : chr "mpg"
+#   ..$ panelvar1: chr "cyl"
+#   ..$ panelvar2: chr "am"
+#  $ domain   :List of 4
+#   ..$ left  : num 1.32
+#   ..$ right : num 5.62
+#   ..$ bottom: num 9.22
+#   ..$ top   : num 35.1
+#  $ range    :List of 4
+#   ..$ left  : num 172
+#   ..$ right : num 300
+#   ..$ bottom: num 144
+#   ..$ top   : num 28.5
+#  $ log      :List of 2
+#   ..$ x: NULL
+#   ..$ y: NULL
+#  $ direction: chr "y"
+
+
+#'Find rows of data that are near a click/hover/double-click
+#'
+#'This function returns rows from a data frame which are near a click, hover, or
+#'double-click, when used with \code{\link{plotOutput}}. The rows will be sorted
+#'by their distance to the mouse event.
+#'
+#'It is also possible for this function to return all rows from the input data
+#'frame, but with an additional column \code{selected_}, which indicates which
+#'rows of the input data frame are selected by the brush (\code{TRUE} for
+#'selected, \code{FALSE} for not-selected). This is enabled by setting
+#'\code{allRows=TRUE} option. If this is used, the resulting data frame will not
+#'be sorted by distance to the mouse event.
+#'
+#'The \code{xvar}, \code{yvar}, \code{panelvar1}, and \code{panelvar2} arguments
+#'specify which columns in the data correspond to the x variable, y variable,
+#'and panel variables of the plot. For example, if your plot is
+#'\code{plot(x=cars$speed, y=cars$dist)}, and your click variable is named
+#'\code{"cars_click"}, then you would use \code{nearPoints(cars,
+#'input$cars_brush, "speed", "dist")}.
+#'
+#'@inheritParams brushedPoints
+#'@param coordinfo The data from a mouse event, such as \code{input$plot_click}.
+#'@param threshold A maxmimum distance to the click point; rows in the data
+#'  frame where the distance to the click is less than \code{threshold} will be
+#'  returned.
+#'@param maxpoints Maximum number of rows to return. If NULL (the default),
+#'  return all rows that are within the threshold distance.
+#'@param addDist If TRUE, add a column named \code{dist_} that contains the
+#'  distance from the coordinate to the point, in pixels. When no mouse event
+#'  has yet occured, the value of \code{dist_} will be \code{NA}.
+#'@param allRows If \code{FALSE} (the default) return a data frame containing
+#'  the selected rows. If \code{TRUE}, the input data frame will have a new
+#'  column, \code{selected_}, which indicates whether the row was inside the
+#'  selected by the mouse event (\code{TRUE}) or not (\code{FALSE}).
+#'
+#'@seealso \code{\link{plotOutput}} for more examples.
+#'
+#' @examples
+#' \dontrun{
+#' # Note that in practice, these examples would need to go in reactives
+#' # or observers.
+#'
+#' # This would select all points within 5 pixels of the click
+#' nearPoints(mtcars, input$plot_click)
+#'
+#' # Select just the nearest point within 10 pixels of the click
+#' nearPoints(mtcars, input$plot_click, threshold = 10, maxpoints = 1)
+#'
+#' }
+#'@export
+nearPoints <- function(df, coordinfo, xvar = NULL, yvar = NULL,
+                       panelvar1 = NULL, panelvar2 = NULL,
+                       threshold = 5, maxpoints = NULL, addDist = FALSE,
+                       allRows = FALSE) {
+  if (is.null(coordinfo)) {
+    if (addDist)
+      df$dist_ <- NA_real_
+
+    if (allRows)
+      df$selected_ <- FALSE
+    else
+      df <- df[0, , drop = FALSE]
+
+    return(df)
+  }
+
+  if (is.null(coordinfo$x)) {
+    stop("nearPoints requires a click/hover/double-click object with x and y values.")
+  }
+
+  # Try to extract vars from coordinfo object
+  xvar      <- xvar      %OR% coordinfo$mapping$x
+  yvar      <- yvar      %OR% coordinfo$mapping$y
+  panelvar1 <- panelvar1 %OR% coordinfo$mapping$panelvar1
+  panelvar2 <- panelvar2 %OR% coordinfo$mapping$panelvar2
+
+  if (is.null(xvar))
+    stop("nearPoints: not able to automatically infer `xvar` from coordinfo")
+  if (is.null(yvar))
+    stop("nearPoints: not able to automatically infer `yvar` from coordinfo")
+
+  # Extract data values from the data frame
+  x <- asNumber(df[[xvar]])
+  y <- asNumber(df[[yvar]])
+
+  # Get the pixel coordinates of the point
+  coordPx <- scaleCoords(coordinfo$x, coordinfo$y, coordinfo)
+
+  # Get pixel coordinates of data points
+  dataPx <- scaleCoords(x, y, coordinfo)
+
+  # Distances of data points to coordPx
+  dists <- sqrt((dataPx$x - coordPx$x) ^ 2 + (dataPx$y - coordPx$y) ^ 2)
+
+  if (addDist)
+    df$dist_ <- dists
+
+  keep_rows <- (dists <= threshold)
+
+  # Find which rows are matches for the panel vars (if present)
+  if (!is.null(panelvar1))
+    keep_rows <- keep_rows & panelMatch(coordinfo$panelvar1, df[[panelvar1]])
+  if (!is.null(panelvar2))
+    keep_rows <- keep_rows & panelMatch(coordinfo$panelvar2, df[[panelvar2]])
+
+  # Track the indices to keep
+  keep_idx <- which(keep_rows)
+
+  # Order by distance
+  dists <- dists[keep_idx]
+  keep_idx <- keep_idx[order(dists)]
+
+  # Keep max number of rows
+  if (!is.null(maxpoints) && length(keep_idx) > maxpoints) {
+    keep_idx <- keep_idx[seq_len(maxpoints)]
+  }
+
+  if (allRows) {
+    # Add selected_ column if needed
+    df$selected_ <- FALSE
+    df$selected_[keep_idx] <- TRUE
+
+  } else {
+    # If we don't keep all rows, return just the selected rows, sorted by
+    # distance.
+    df <- df[keep_idx, , drop = FALSE]
+  }
+
+  df
+}
+
+# The coordinfo data structure will look something like the examples below.
+# For base graphics, `mapping` is empty, and there are no panelvars:
+# List of 7
+#  $ x      : num 4.37
+#  $ y      : num 12
+#  $ mapping: Named list()
+#  $ domain :List of 4
+#   ..$ left  : num 1.36
+#   ..$ right : num 5.58
+#   ..$ bottom: num 9.46
+#   ..$ top   : num 34.8
+#  $ range  :List of 4
+#   ..$ left  : num 58
+#   ..$ right : num 429
+#   ..$ bottom: num 226
+#   ..$ top   : num 58
+#  $ log    :List of 2
+#   ..$ x: NULL
+#   ..$ y: NULL
+#  $ .nonce : num 0.343
+#
+# For ggplot2, the mapping vars usually will be included, and if faceting is
+# used, they will be listed as panelvars:
+# List of 9
+#  $ x        : num 3.78
+#  $ y        : num 17.1
+#  $ panelvar1: int 6
+#  $ panelvar2: int 0
+#  $ mapping  :List of 4
+#   ..$ x        : chr "wt"
+#   ..$ y        : chr "mpg"
+#   ..$ panelvar1: chr "cyl"
+#   ..$ panelvar2: chr "am"
+#  $ domain   :List of 4
+#   ..$ left  : num 1.32
+#   ..$ right : num 5.62
+#   ..$ bottom: num 9.22
+#   ..$ top   : num 35.1
+#  $ range    :List of 4
+#   ..$ left  : num 172
+#   ..$ right : num 300
+#   ..$ bottom: num 144
+#   ..$ top   : num 28.5
+#  $ log      :List of 2
+#   ..$ x: NULL
+#   ..$ y: NULL
+#  $ .nonce   : num 0.603
+
+
+
+# Coerce various types of variables to numbers. This works for Date, POSIXt,
+# characters, and factors. Used because the mouse coords are numeric.
+asNumber <- function(x) {
+  if (is.character(x)) x <- as.factor(x)
+  if (is.factor(x)) x <- as.integer(x)
+  as.numeric(x)
+}
+
+# Given a panelvar value and a vector x, return logical vector indicating which
+# items match the panelvar value. Because the panelvar value is always a
+# string but the vector could be numeric, it might be necessary to coerce the
+# panelvar to a number before comparing to the vector.
+panelMatch <- function(search_value, x) {
+  if (is.numeric(x)) search_value <- as.numeric(search_value)
+  x == search_value
+}
+
+#  ----------------------------------------------------------------------------
+# Scaling functions
+# These functions have direct analogs in Javascript code, except these are
+# vectorized for x and y.
+
+# Map a value x from a domain to a range. If clip is true, clip it to the
+# range.
+mapLinear <- function(x, domainMin, domainMax, rangeMin, rangeMax, clip = TRUE) {
+  factor <- (rangeMax - rangeMin) / (domainMax - domainMin)
+  val <- x - domainMin
+  newval <- (val * factor) + rangeMin
+
+  if (clip) {
+    maxval <- max(rangeMax, rangeMin)
+    minval <- min(rangeMax, rangeMin)
+    newval[newval > maxval] <- maxval
+    newval[newval < minval] <- minval
+  }
+  newval
+}
+
+# Scale val from domain to range. If logbase is present, use log scaling.
+scale1D <- function(val, domainMin, domainMax, rangeMin, rangeMax,
+                    logbase = NULL, clip = TRUE) {
+  if (!is.null(logbase))
+    val <- log(val, logbase)
+  mapLinear(val, domainMin, domainMax, rangeMin, rangeMax, clip)
+}
+
+# Inverse scale val, from range to domain. If logbase is present, use inverse
+# log (power) transformation.
+scaleInv1D <- function(val, domainMin, domainMax, rangeMin, rangeMax,
+                       logbase = NULL, clip = TRUE) {
+    res <- mapLinear(val, rangeMin, rangeMax, domainMin, domainMax, clip)
+    if (!is.null(logbase))
+      res <- logbase ^ res
+    res
+}
+
+# Scale x and y coordinates from domain to range, using information in
+# scaleinfo. scaleinfo must contain items $domain, $range, and $log. The
+# scaleinfo object corresponds to one element from the coordmap object generated
+# by getPrevPlotCoordmap or getGgplotCoordmap; it is the scaling information for
+# one panel in a plot.
+scaleCoords <- function(x, y, scaleinfo) {
+  if (is.null(scaleinfo))
+    return(NULL)
+
+  domain <- scaleinfo$domain
+  range <- scaleinfo$range
+  log <- scaleinfo$log
+
+  list(
+    x = scale1D(x, domain$left, domain$right, range$left, range$right, log$x),
+    y = scale1D(y, domain$bottom, domain$top, range$bottom, range$top, log$y)
+  )
+}
+
+# Inverse scale x and y coordinates from range to domain, using information in
+# scaleinfo.
+scaleInvCoords <- function(x, y, scaleinfo) {
+  if (is.null(scaleinfo))
+    return(NULL)
+
+  domain <- scaleinfo$domain
+  range <- scaleinfo$range
+  log <- scaleinfo$log
+
+  list(
+    x = scaleInv1D(x, domain$left, domain$right, range$left, range$right, log$x),
+    y = scaleInv1D(y, domain$bottom, domain$top, range$bottom, range$top, log$y)
+  )
+}

R/imageutils.R

@@ -33,12 +33,12 @@ plotPNG <- function(func, filename=tempfile(fileext='.png'),
   # Otherwise, if the Cairo package is installed, use CairoPNG().
   # Finally, if neither quartz nor Cairo, use png().
   if (capabilities("aqua")) {
-    pngfun <- png
+    pngfun <- grDevices::png
   } else if ((getOption('shiny.usecairo') %OR% TRUE) &&
              nchar(system.file(package = "Cairo"))) {
     pngfun <- Cairo::CairoPNG
   } else {
-    pngfun <- png
+    pngfun <- grDevices::png
   }
 
   pngfun(filename=filename, width=width, height=height, res=res, ...)
@@ -49,10 +49,10 @@ plotPNG <- function(func, filename=tempfile(fileext='.png'),
   # by plot.new() with the default (large) margin. However, this does not
   # guarantee user's code in func() will not trigger the error -- they may have
   # to set par(mar = smaller_value) before they draw base graphics.
-  op <- par(mar = rep(0, 4))
-  tryCatch(plot.new(), finally = par(op))
-  dv <- dev.cur()
-  tryCatch(shinyCallingHandlers(func()), finally = dev.off(dv))
+  op <- graphics::par(mar = rep(0, 4))
+  tryCatch(graphics::plot.new(), finally = graphics::par(op))
+  dv <- grDevices::dev.cur()
+  tryCatch(shinyCallingHandlers(func()), finally = grDevices::dev.off(dv))
 
   filename
 }

R/input-action.R

@@ -0,0 +1,51 @@
+#' Action button/link
+#'
+#' Creates an action button or link whose value is initially zero, and increments by one
+#' each time it is pressed.
+#'
+#' @inheritParams textInput
+#' @param label The contents of the button or link--usually a text label, but
+#'   you could also use any other HTML, like an image.
+#' @param icon An optional \code{\link{icon}} to appear on the button.
+#' @param ... Named attributes to be applied to the button or link.
+#'
+#' @family input elements
+#' @examples
+#' \dontrun{
+#' # In server.R
+#' output$distPlot <- renderPlot({
+#'   # Take a dependency on input$goButton
+#'   input$goButton
+#'
+#'   # Use isolate() to avoid dependency on input$obs
+#'   dist <- isolate(rnorm(input$obs))
+#'   hist(dist)
+#' })
+#'
+#' # In ui.R
+#' actionButton("goButton", "Go!")
+#' }
+#'
+#' @seealso \code{\link{observeEvent}} and \code{\link{eventReactive}}
+#'
+#' @export
+actionButton <- function(inputId, label, icon = NULL, width = NULL, ...) {
+  tags$button(id=inputId,
+    style = if (!is.null(width)) paste0("width: ", validateCssUnit(width), ";"),
+    type="button",
+    class="btn btn-default action-button",
+    list(icon, label),
+    ...
+  )
+}
+
+#' @rdname actionButton
+#' @export
+actionLink <- function(inputId, label, icon = NULL, ...) {
+  tags$a(id=inputId,
+    href="#",
+    class="action-button",
+    list(icon, label),
+    ...
+  )
+}

R/input-checkbox.R

@@ -0,0 +1,26 @@
+#' Checkbox Input Control
+#'
+#' Create a checkbox that can be used to specify logical values.
+#'
+#' @inheritParams textInput
+#' @param value Initial value (\code{TRUE} or \code{FALSE}).
+#' @return A checkbox control that can be added to a UI definition.
+#'
+#' @family input elements
+#' @seealso \code{\link{checkboxGroupInput}}, \code{\link{updateCheckboxInput}}
+#'
+#' @examples
+#' checkboxInput("outliers", "Show outliers", FALSE)
+#' @export
+checkboxInput <- function(inputId, label, value = FALSE, width = NULL) {
+  inputTag <- tags$input(id = inputId, type="checkbox")
+  if (!is.null(value) && value)
+    inputTag$attribs$checked <- "checked"
+
+  div(class = "form-group shiny-input-container",
+    style = if (!is.null(width)) paste0("width: ", validateCssUnit(width), ";"),
+    div(class = "checkbox",
+      tags$label(inputTag, tags$span(label))
+    )
+  )
+}

R/input-checkboxgroup.R

@@ -0,0 +1,45 @@
+#' Checkbox Group Input Control
+#'
+#' Create a group of checkboxes that can be used to toggle multiple choices
+#' independently. The server will receive the input as a character vector of the
+#' selected values.
+#'
+#' @inheritParams textInput
+#' @param choices List of values to show checkboxes for. If elements of the list
+#'   are named then that name rather than the value is displayed to the user.
+#' @param selected The values that should be initially selected, if any.
+#' @param inline If \code{TRUE}, render the choices inline (i.e. horizontally)
+#' @return A list of HTML elements that can be added to a UI definition.
+#'
+#' @family input elements
+#' @seealso \code{\link{checkboxInput}}, \code{\link{updateCheckboxGroupInput}}
+#'
+#' @examples
+#' checkboxGroupInput("variable", "Variable:",
+#'                    c("Cylinders" = "cyl",
+#'                      "Transmission" = "am",
+#'                      "Gears" = "gear"))
+#'
+#' @export
+checkboxGroupInput <- function(inputId, label, choices, selected = NULL,
+  inline = FALSE, width = NULL) {
+
+  # resolve names
+  choices <- choicesWithNames(choices)
+  if (!is.null(selected))
+    selected <- validateSelected(selected, choices, inputId)
+
+  options <- generateOptions(inputId, choices, selected, inline)
+
+  divClass <- "form-group shiny-input-checkboxgroup shiny-input-container"
+  if (inline)
+    divClass <- paste(divClass, "shiny-input-container-inline")
+
+  # return label and select tag
+  tags$div(id = inputId,
+    style = if (!is.null(width)) paste0("width: ", validateCssUnit(width), ";"),
+    class = divClass,
+    controlLabel(inputId, label),
+    options
+  )
+}

R/input-date.R

@@ -0,0 +1,102 @@
+#' Create date input
+#'
+#' Creates a text input which, when clicked on, brings up a calendar that
+#' the user can click on to select dates.
+#'
+#' The date \code{format} string specifies how the date will be displayed in
+#' the browser. It allows the following values:
+#'
+#' \itemize{
+#'   \item \code{yy} Year without century (12)
+#'   \item \code{yyyy} Year with century (2012)
+#'   \item \code{mm} Month number, with leading zero (01-12)
+#'   \item \code{m} Month number, without leading zero (01-12)
+#'   \item \code{M} Abbreviated month name
+#'   \item \code{MM} Full month name
+#'   \item \code{dd} Day of month with leading zero
+#'   \item \code{d} Day of month without leading zero
+#'   \item \code{D} Abbreviated weekday name
+#'   \item \code{DD} Full weekday name
+#' }
+#'
+#' @inheritParams textInput
+#' @param value The starting date. Either a Date object, or a string in
+#'   \code{yyyy-mm-dd} format. If NULL (the default), will use the current
+#'   date in the client's time zone.
+#' @param min The minimum allowed date. Either a Date object, or a string in
+#'   \code{yyyy-mm-dd} format.
+#' @param max The maximum allowed date. Either a Date object, or a string in
+#'   \code{yyyy-mm-dd} format.
+#' @param format The format of the date to display in the browser. Defaults to
+#'   \code{"yyyy-mm-dd"}.
+#' @param startview The date range shown when the input object is first
+#'   clicked. Can be "month" (the default), "year", or "decade".
+#' @param weekstart Which day is the start of the week. Should be an integer
+#'   from 0 (Sunday) to 6 (Saturday).
+#' @param language The language used for month and day names. Default is "en".
+#'   Other valid values include "bg", "ca", "cs", "da", "de", "el", "es", "fi",
+#'   "fr", "he", "hr", "hu", "id", "is", "it", "ja", "kr", "lt", "lv", "ms",
+#'   "nb", "nl", "pl", "pt", "pt-BR", "ro", "rs", "rs-latin", "ru", "sk", "sl",
+#'   "sv", "sw", "th", "tr", "uk", "zh-CN", and "zh-TW".
+#'
+#' @family input elements
+#' @seealso \code{\link{dateRangeInput}}, \code{\link{updateDateInput}}
+#'
+#' @examples
+#' dateInput("date", "Date:", value = "2012-02-29")
+#'
+#' # Default value is the date in client's time zone
+#' dateInput("date", "Date:")
+#'
+#' # value is always yyyy-mm-dd, even if the display format is different
+#' dateInput("date", "Date:", value = "2012-02-29", format = "mm/dd/yy")
+#'
+#' # Pass in a Date object
+#' dateInput("date", "Date:", value = Sys.Date()-10)
+#'
+#' # Use different language and different first day of week
+#' dateInput("date", "Date:",
+#'           language = "de",
+#'           weekstart = 1)
+#'
+#' # Start with decade view instead of default month view
+#' dateInput("date", "Date:",
+#'           startview = "decade")
+#'
+#' @export
+dateInput <- function(inputId, label, value = NULL, min = NULL, max = NULL,
+  format = "yyyy-mm-dd", startview = "month", weekstart = 0, language = "en",
+  width = NULL) {
+
+  # If value is a date object, convert it to a string with yyyy-mm-dd format
+  # Same for min and max
+  if (inherits(value, "Date"))  value <- format(value, "%Y-%m-%d")
+  if (inherits(min,   "Date"))  min   <- format(min,   "%Y-%m-%d")
+  if (inherits(max,   "Date"))  max   <- format(max,   "%Y-%m-%d")
+
+  attachDependencies(
+    tags$div(id = inputId,
+      class = "shiny-date-input form-group shiny-input-container",
+      style = if (!is.null(width)) paste0("width: ", validateCssUnit(width), ";"),
+
+      controlLabel(inputId, label),
+      tags$input(type = "text",
+                 # datepicker class necessary for dropdown to display correctly
+                 class = "form-control datepicker",
+                 `data-date-language` = language,
+                 `data-date-weekstart` = weekstart,
+                 `data-date-format` = format,
+                 `data-date-start-view` = startview,
+                 `data-min-date` = min,
+                 `data-max-date` = max,
+                 `data-initial-date` = value
+      )
+    ),
+    datePickerDependency
+  )
+}
+
+datePickerDependency <- htmlDependency(
+  "bootstrap-datepicker", "1.0.2", c(href = "shared/datepicker"),
+  script = "js/bootstrap-datepicker.min.js",
+  stylesheet = "css/datepicker.css")

R/input-daterange.R

@@ -0,0 +1,113 @@
+#' Create date range input
+#'
+#' Creates a pair of text inputs which, when clicked on, bring up calendars that
+#' the user can click on to select dates.
+#'
+#' The date \code{format} string specifies how the date will be displayed in
+#' the browser. It allows the following values:
+#'
+#' \itemize{
+#'   \item \code{yy} Year without century (12)
+#'   \item \code{yyyy} Year with century (2012)
+#'   \item \code{mm} Month number, with leading zero (01-12)
+#'   \item \code{m} Month number, without leading zero (01-12)
+#'   \item \code{M} Abbreviated month name
+#'   \item \code{MM} Full month name
+#'   \item \code{dd} Day of month with leading zero
+#'   \item \code{d} Day of month without leading zero
+#'   \item \code{D} Abbreviated weekday name
+#'   \item \code{DD} Full weekday name
+#' }
+#'
+#' @inheritParams dateInput
+#' @param start The initial start date. Either a Date object, or a string in
+#'   \code{yyyy-mm-dd} format. If NULL (the default), will use the current
+#'   date in the client's time zone.
+#' @param end The initial end date. Either a Date object, or a string in
+#'   \code{yyyy-mm-dd} format. If NULL (the default), will use the current
+#'   date in the client's time zone.
+#' @param separator String to display between the start and end input boxes.
+#'
+#' @family input elements
+#' @seealso \code{\link{dateInput}}, \code{\link{updateDateRangeInput}}
+#'
+#' @examples
+#' dateRangeInput("daterange", "Date range:",
+#'                start = "2001-01-01",
+#'                end   = "2010-12-31")
+#'
+#' # Default start and end is the current date in the client's time zone
+#' dateRangeInput("daterange", "Date range:")
+#'
+#' # start and end are always specified in yyyy-mm-dd, even if the display
+#' # format is different
+#' dateRangeInput("daterange", "Date range:",
+#'                start  = "2001-01-01",
+#'                end    = "2010-12-31",
+#'                min    = "2001-01-01",
+#'                max    = "2012-12-21",
+#'                format = "mm/dd/yy",
+#'                separator = " - ")
+#'
+#' # Pass in Date objects
+#' dateRangeInput("daterange", "Date range:",
+#'                start = Sys.Date()-10,
+#'                end = Sys.Date()+10)
+#'
+#' # Use different language and different first day of week
+#' dateRangeInput("daterange", "Date range:",
+#'                language = "de",
+#'                weekstart = 1)
+#'
+#' # Start with decade view instead of default month view
+#' dateRangeInput("daterange", "Date range:",
+#'                startview = "decade")
+#'
+#' @export
+dateRangeInput <- function(inputId, label, start = NULL, end = NULL,
+    min = NULL, max = NULL, format = "yyyy-mm-dd", startview = "month",
+    weekstart = 0, language = "en", separator = " to ", width = NULL) {
+
+  # If start and end are date objects, convert to a string with yyyy-mm-dd format
+  # Same for min and max
+  if (inherits(start, "Date"))  start <- format(start, "%Y-%m-%d")
+  if (inherits(end,   "Date"))  end   <- format(end,   "%Y-%m-%d")
+  if (inherits(min,   "Date"))  min   <- format(min,   "%Y-%m-%d")
+  if (inherits(max,   "Date"))  max   <- format(max,   "%Y-%m-%d")
+
+  attachDependencies(
+    div(id = inputId,
+      class = "shiny-date-range-input form-group shiny-input-container",
+      style = if (!is.null(width)) paste0("width: ", validateCssUnit(width), ";"),
+
+      controlLabel(inputId, label),
+      # input-daterange class is needed for dropdown behavior
+      div(class = "input-daterange input-group",
+        tags$input(
+          class = "input-sm form-control",
+          type = "text",
+          `data-date-language` = language,
+          `data-date-weekstart` = weekstart,
+          `data-date-format` = format,
+          `data-date-start-view` = startview,
+          `data-min-date` = min,
+          `data-max-date` = max,
+          `data-initial-date` = start
+        ),
+        span(class = "input-group-addon", separator),
+        tags$input(
+          class = "input-sm form-control",
+          type = "text",
+          `data-date-language` = language,
+          `data-date-weekstart` = weekstart,
+          `data-date-format` = format,
+          `data-date-start-view` = startview,
+          `data-min-date` = min,
+          `data-max-date` = max,
+          `data-initial-date` = end
+        )
+      )
+    ),
+    datePickerDependency
+  )
+}

R/input-file.R

@@ -0,0 +1,51 @@
+#' File Upload Control
+#'
+#' Create a file upload control that can be used to upload one or more files.
+#'
+#' Whenever a file upload completes, the corresponding input variable is set
+#' to a dataframe. This dataframe contains one row for each selected file, and
+#' the following columns:
+#' \describe{
+#'   \item{\code{name}}{The filename provided by the web browser. This is
+#'   \strong{not} the path to read to get at the actual data that was uploaded
+#'   (see
+#'   \code{datapath} column).}
+#'   \item{\code{size}}{The size of the uploaded data, in
+#'   bytes.}
+#'   \item{\code{type}}{The MIME type reported by the browser (for example,
+#'   \code{text/plain}), or empty string if the browser didn't know.}
+#'   \item{\code{datapath}}{The path to a temp file that contains the data that was
+#'   uploaded. This file may be deleted if the user performs another upload
+#'   operation.}
+#' }
+#'
+#' @family input elements
+#'
+#' @inheritParams textInput
+#' @param multiple Whether the user should be allowed to select and upload
+#'   multiple files at once. \bold{Does not work on older browsers, including
+#'   Internet Explorer 9 and earlier.}
+#' @param accept A character vector of MIME types; gives the browser a hint of
+#'   what kind of files the server is expecting.
+#'
+#' @export
+fileInput <- function(inputId, label, multiple = FALSE, accept = NULL,
+  width = NULL) {
+
+  inputTag <- tags$input(id = inputId, name = inputId, type = "file")
+  if (multiple)
+    inputTag$attribs$multiple <- "multiple"
+  if (length(accept) > 0)
+    inputTag$attribs$accept <- paste(accept, collapse=',')
+
+  div(class = "form-group shiny-input-container",
+    style = if (!is.null(width)) paste0("width: ", validateCssUnit(width), ";"),
+    label %AND% tags$label(label),
+    inputTag,
+    tags$div(
+      id=paste(inputId, "_progress", sep=""),
+      class="progress progress-striped active shiny-file-input-progress",
+      tags$div(class="progress-bar")
+    )
+  )
+}

R/input-numeric.R

@@ -0,0 +1,37 @@
+
+#' Create a numeric input control
+#'
+#' Create an input control for entry of numeric values
+#'
+#' @inheritParams textInput
+#' @param min Minimum allowed value
+#' @param max Maximum allowed value
+#' @param step Interval to use when stepping between min and max
+#' @return A numeric input control that can be added to a UI definition.
+#'
+#' @family input elements
+#' @seealso \code{\link{updateNumericInput}}
+#'
+#' @examples
+#' numericInput("obs", "Observations:", 10,
+#'              min = 1, max = 100)
+#' @export
+numericInput <- function(inputId, label, value, min = NA, max = NA, step = NA,
+  width = NULL) {
+
+  # build input tag
+  inputTag <- tags$input(id = inputId, type = "number", class="form-control",
+                         value = formatNoSci(value))
+  if (!is.na(min))
+    inputTag$attribs$min = min
+  if (!is.na(max))
+    inputTag$attribs$max = max
+  if (!is.na(step))
+    inputTag$attribs$step = step
+
+  div(class = "form-group shiny-input-container",
+    style = if (!is.null(width)) paste0("width: ", validateCssUnit(width), ";"),
+    label %AND% tags$label(label, `for` = inputId),
+    inputTag
+  )
+}

R/input-password.R

@@ -0,0 +1,20 @@
+#' Create a password input control
+#'
+#' Create an password control for entry of passwords.
+#'
+#' @inheritParams textInput
+#' @return A text input control that can be added to a UI definition.
+#'
+#' @family input elements
+#' @seealso \code{\link{updateTextInput}}
+#'
+#' @examples
+#' passwordInput("password", "Password:")
+#' @export
+passwordInput <- function(inputId, label, value = "", width = NULL) {
+  div(class = "form-group shiny-input-container",
+    style = if (!is.null(width)) paste0("width: ", validateCssUnit(width), ";"),
+    label %AND% tags$label(label, `for` = inputId),
+    tags$input(id = inputId, type="password", class="form-control", value=value)
+  )
+}

R/input-radiobuttons.R

@@ -0,0 +1,54 @@
+#' Create radio buttons
+#'
+#' Create a set of radio buttons used to select an item from a list.
+#'
+#' If you need to represent a "None selected" state, it's possible to default
+#' the radio buttons to have no options selected by using
+#' \code{selected = character(0)}. However, this is not recommended, as it gives
+#' the user no way to return to that state once they've made a selection.
+#' Instead, consider having the first of your choices be \code{c("None selected"
+#' = "")}.
+#'
+#' @inheritParams textInput
+#' @param choices List of values to select from (if elements of the list are
+#' named then that name rather than the value is displayed to the user)
+#' @param selected The initially selected value (if not specified then
+#' defaults to the first value)
+#' @param inline If \code{TRUE}, render the choices inline (i.e. horizontally)
+#' @return A set of radio buttons that can be added to a UI definition.
+#'
+#' @family input elements
+#' @seealso \code{\link{updateRadioButtons}}
+#'
+#' @examples
+#' radioButtons("dist", "Distribution type:",
+#'              c("Normal" = "norm",
+#'                "Uniform" = "unif",
+#'                "Log-normal" = "lnorm",
+#'                "Exponential" = "exp"))
+#' @export
+radioButtons <- function(inputId, label, choices, selected = NULL,
+  inline = FALSE, width = NULL) {
+
+  # resolve names
+  choices <- choicesWithNames(choices)
+
+  # default value if it's not specified
+  selected <- if (is.null(selected)) choices[[1]] else {
+    validateSelected(selected, choices, inputId)
+  }
+  if (length(selected) > 1) stop("The 'selected' argument must be of length 1")
+
+  options <- generateOptions(inputId, choices, selected, inline, type = 'radio')
+
+  divClass <- "form-group shiny-input-radiogroup shiny-input-container"
+  if (inline)
+    divClass <- paste(divClass, "shiny-input-container-inline")
+
+  tags$div(id = inputId,
+    style = if (!is.null(width)) paste0("width: ", validateCssUnit(width), ";"),
+    class = divClass,
+    controlLabel(inputId, label),
+    options
+  )
+}

R/input-select.R

@@ -0,0 +1,167 @@
+#' Create a select list input control
+#'
+#' Create a select list that can be used to choose a single or multiple items
+#' from a list of values.
+#'
+#' By default, \code{selectInput()} and \code{selectizeInput()} use the
+#' JavaScript library \pkg{selectize.js}
+#' (\url{https://github.com/brianreavis/selectize.js}) to instead of the basic
+#' select input element. To use the standard HTML select input element, use
+#' \code{selectInput()} with \code{selectize=FALSE}.
+#'
+#' In selectize mode, if the first element in \code{choices} has a value of
+#' \code{""}, its name will be treated as a placeholder prompt. For example:
+#' \code{selectInput("letter", "Letter", c("Choose one" = "", LETTERS))}
+#'
+#' @inheritParams textInput
+#' @param choices List of values to select from. If elements of the list are
+#'   named then that name rather than the value is displayed to the user.
+#' @param selected The initially selected value (or multiple values if
+#'   \code{multiple = TRUE}). If not specified then defaults to the first value
+#'   for single-select lists and no values for multiple select lists.
+#' @param multiple Is selection of multiple items allowed?
+#' @param selectize Whether to use \pkg{selectize.js} or not.
+#' @param size Number of items to show in the selection box; a larger number
+#'   will result in a taller box. Not compatible with \code{selectize=TRUE}.
+#'   Normally, when \code{multiple=FALSE}, a select input will be a drop-down
+#'   list, but when \code{size} is set, it will be a box instead.
+#' @return A select list control that can be added to a UI definition.
+#'
+#' @family input elements
+#' @seealso \code{\link{updateSelectInput}}
+#'
+#' @examples
+#' selectInput("variable", "Variable:",
+#'             c("Cylinders" = "cyl",
+#'               "Transmission" = "am",
+#'               "Gears" = "gear"))
+#' @export
+selectInput <- function(inputId, label, choices, selected = NULL,
+                        multiple = FALSE, selectize = TRUE, width = NULL,
+                        size = NULL) {
+  # resolve names
+  choices <- choicesWithNames(choices)
+
+  # default value if it's not specified
+  if (is.null(selected)) {
+    if (!multiple) selected <- firstChoice(choices)
+  } else selected <- validateSelected(selected, choices, inputId)
+
+  if (!is.null(size) && selectize) {
+    stop("'size' argument is incompatible with 'selectize=TRUE'.")
+  }
+
+  # create select tag and add options
+  selectTag <- tags$select(
+    id = inputId,
+    class = if (!selectize) "form-control",
+    size = size,
+    selectOptions(choices, selected)
+  )
+  if (multiple)
+    selectTag$attribs$multiple <- "multiple"
+
+  # return label and select tag
+  res <- div(
+    class = "form-group shiny-input-container",
+    style = if (!is.null(width)) paste0("width: ", validateCssUnit(width), ";"),
+    controlLabel(inputId, label),
+    div(selectTag)
+  )
+
+  if (!selectize) return(res)
+
+  selectizeIt(inputId, res, NULL, nonempty = !multiple && !("" %in% choices))
+}
+
+firstChoice <- function(choices) {
+  if (length(choices) == 0L) return()
+  choice <- choices[[1]]
+  if (is.list(choice)) firstChoice(choice) else choice
+}
+
+# Create tags for each of the options; use <optgroup> if necessary.
+# This returns a HTML string instead of tags, because of the 'selected'
+# attribute.
+selectOptions <- function(choices, selected = NULL) {
+  html <- mapply(choices, names(choices), FUN = function(choice, label) {
+    if (is.list(choice)) {
+      # If sub-list, create an optgroup and recurse into the sublist
+      sprintf(
+        '<optgroup label="%s">\n%s\n</optgroup>',
+        htmlEscape(label),
+        selectOptions(choice, selected)
+      )
+
+    } else {
+      # If single item, just return option string
+      sprintf(
+        '<option value="%s"%s>%s</option>',
+        htmlEscape(choice),
+        if (choice %in% selected) ' selected' else '',
+        htmlEscape(label)
+      )
+    }
+  })
+
+  HTML(paste(html, collapse = '\n'))
+}
+
+# need <optgroup> when choices contains sub-lists
+needOptgroup <- function(choices) {
+  any(vapply(choices, is.list, logical(1)))
+}
+
+#' @rdname selectInput
+#' @param ... Arguments passed to \code{selectInput()}.
+#' @param options A list of options. See the documentation of \pkg{selectize.js}
+#'   for possible options (character option values inside \code{\link{I}()} will
+#'   be treated as literal JavaScript code; see \code{\link{renderDataTable}()}
+#'   for details).
+#' @param width The width of the input, e.g. \code{'400px'}, or \code{'100\%'};
+#'   see \code{\link{validateCssUnit}}.
+#' @note The selectize input created from \code{selectizeInput()} allows
+#'   deletion of the selected option even in a single select input, which will
+#'   return an empty string as its value. This is the default behavior of
+#'   \pkg{selectize.js}. However, the selectize input created from
+#'   \code{selectInput(..., selectize = TRUE)} will ignore the empty string
+#'   value when it is a single choice input and the empty string is not in the
+#'   \code{choices} argument. This is to keep compatibility with
+#'   \code{selectInput(..., selectize = FALSE)}.
+#' @export
+selectizeInput <- function(inputId, ..., options = NULL, width = NULL) {
+  selectizeIt(
+    inputId,
+    selectInput(inputId, ..., selectize = FALSE, width = width),
+    options
+  )
+}
+
+# given a select input and its id, selectize it
+selectizeIt <- function(inputId, select, options, nonempty = FALSE) {
+  res <- checkAsIs(options)
+
+  selectizeDep <- htmlDependency(
+    "selectize", "0.11.2", c(href = "shared/selectize"),
+    stylesheet = "css/selectize.bootstrap3.css",
+    head = format(tagList(
+      HTML('<!--[if lt IE 9]>'),
+      tags$script(src = 'shared/selectize/js/es5-shim.min.js'),
+      HTML('<![endif]-->'),
+      tags$script(src = 'shared/selectize/js/selectize.min.js')
+    ))
+  )
+
+  # Insert script on same level as <select> tag
+  select$children[[2]] <- tagAppendChild(
+    select$children[[2]],
+    tags$script(
+      type = 'application/json',
+      `data-for` = inputId, `data-nonempty` = if (nonempty) '',
+      `data-eval` = if (length(res$eval)) HTML(toJSON(res$eval)),
+      if (length(res$options)) HTML(toJSON(res$options)) else '{}'
+    )
+  )
+
+  attachDependencies(select, selectizeDep)
+}

R/input-slider.R

@@ -0,0 +1,234 @@
+#' Slider Input Widget
+#'
+#' Constructs a slider widget to select a numeric value from a range.
+#'
+#' @inheritParams textInput
+#' @param min The minimum value (inclusive) that can be selected.
+#' @param max The maximum value (inclusive) that can be selected.
+#' @param value The initial value of the slider. A numeric vector of length one
+#'   will create a regular slider; a numeric vector of length two will create a
+#'   double-ended range slider. A warning will be issued if the value doesn't
+#'   fit between \code{min} and \code{max}.
+#' @param step Specifies the interval between each selectable value on the
+#'   slider (if \code{NULL}, a heuristic is used to determine the step size). If
+#'   the values are dates, \code{step} is in days; if the values are times
+#'   (POSIXt), \code{step} is in seconds.
+#' @param round \code{TRUE} to round all values to the nearest integer;
+#'   \code{FALSE} if no rounding is desired; or an integer to round to that
+#'   number of digits (for example, 1 will round to the nearest 10, and -2 will
+#'   round to the nearest .01). Any rounding will be applied after snapping to
+#'   the nearest step.
+#' @param format Deprecated.
+#' @param locale Deprecated.
+#' @param ticks \code{FALSE} to hide tick marks, \code{TRUE} to show them
+#'   according to some simple heuristics.
+#' @param animate \code{TRUE} to show simple animation controls with default
+#'   settings; \code{FALSE} not to; or a custom settings list, such as those
+#'   created using \code{\link{animationOptions}}.
+#' @param sep Separator between thousands places in numbers.
+#' @param pre A prefix string to put in front of the value.
+#' @param post A suffix string to put after the value.
+#' @param dragRange This option is used only if it is a range slider (with two
+#'   values). If \code{TRUE} (the default), the range can be dragged. In other
+#'   words, the min and max can be dragged together. If \code{FALSE}, the range
+#'   cannot be dragged.
+#' @param timeFormat Only used if the values are Date or POSIXt objects. A time
+#'   format string, to be passed to the Javascript strftime library. See
+#'   \url{https://github.com/samsonjs/strftime} for more details. The allowed
+#'   format specifications are very similar, but not identical, to those for R's
+#'   \code{\link{strftime}} function. For Dates, the default is \code{"\%F"}
+#'   (like \code{"2015-07-01"}), and for POSIXt, the default is \code{"\%F \%T"}
+#'   (like \code{"2015-07-01 15:32:10"}).
+#' @param timezone Only used if the values are POSIXt objects. A string
+#'   specifying the time zone offset for the displayed times, in the format
+#'   \code{"+HHMM"} or \code{"-HHMM"}. If \code{NULL} (the default), times will
+#'   be displayed in the browser's time zone. The value \code{"+0000"} will
+#'   result in UTC time.
+#' @inheritParams selectizeInput
+#' @family input elements
+#' @seealso \code{\link{updateSliderInput}}
+#'
+#' @export
+sliderInput <- function(inputId, label, min, max, value, step = NULL,
+                        round = FALSE, format = NULL, locale = NULL,
+                        ticks = TRUE, animate = FALSE, width = NULL, sep = ",",
+                        pre = NULL, post = NULL, timeFormat = NULL,
+                        timezone = NULL, dragRange = TRUE)
+{
+  if (!missing(format)) {
+    shinyDeprecated(msg = "The `format` argument to sliderInput is deprecated. Use `sep`, `pre`, and `post` instead.",
+                    version = "0.10.2.2")
+  }
+  if (!missing(locale)) {
+    shinyDeprecated(msg = "The `locale` argument to sliderInput is deprecated. Use `sep`, `pre`, and `post` instead.",
+                    version = "0.10.2.2")
+  }
+
+  # If step is NULL, use heuristic to set the step size.
+  findStepSize <- function(min, max, step) {
+    if (!is.null(step)) return(step)
+
+    range <- max - min
+    # If short range or decimals, use continuous decimal with ~100 points
+    if (range < 2 || hasDecimals(min) || hasDecimals(max)) {
+      step <- pretty(c(min, max), n = 100)
+      step[2] - step[1]
+    } else {
+      1
+    }
+  }
+
+  if (inherits(min, "Date")) {
+    if (!inherits(max, "Date") || !inherits(value, "Date"))
+      stop("`min`, `max`, and `value must all be Date or non-Date objects")
+    dataType <- "date"
+
+    if (is.null(timeFormat))
+      timeFormat <- "%F"
+
+  } else if (inherits(min, "POSIXt")) {
+    if (!inherits(max, "POSIXt") || !inherits(value, "POSIXt"))
+      stop("`min`, `max`, and `value must all be POSIXt or non-POSIXt objects")
+    dataType <- "datetime"
+
+    if (is.null(timeFormat))
+      timeFormat <- "%F %T"
+
+  } else {
+    dataType <- "number"
+  }
+
+  step <- findStepSize(min, max, step)
+
+  if (dataType %in% c("date", "datetime")) {
+    # For Dates, this conversion uses midnight on that date in UTC
+    to_ms <- function(x) 1000 * as.numeric(as.POSIXct(x))
+
+    # Convert values to milliseconds since epoch (this is the value JS uses)
+    # Find step size in ms
+    step  <- to_ms(max) - to_ms(max - step)
+    min   <- to_ms(min)
+    max   <- to_ms(max)
+    value <- to_ms(value)
+  }
+
+  range <- max - min
+
+  # Try to get a sane number of tick marks
+  if (ticks) {
+    n_steps <- range / step
+
+    # Make sure there are <= 10 steps.
+    # n_ticks can be a noninteger, which is good when the range is not an
+    # integer multiple of the step size, e.g., min=1, max=10, step=4
+    scale_factor <- ceiling(n_steps / 10)
+    n_ticks <- n_steps / scale_factor
+
+  } else {
+    n_ticks <- NULL
+  }
+
+  sliderProps <- dropNulls(list(
+    class = "js-range-slider",
+    id = inputId,
+    `data-type` = if (length(value) > 1) "double",
+    `data-min` = formatNoSci(min),
+    `data-max` = formatNoSci(max),
+    `data-from` = formatNoSci(value[1]),
+    `data-to` = if (length(value) > 1) formatNoSci(value[2]),
+    `data-step` = formatNoSci(step),
+    `data-grid` = ticks,
+    `data-grid-num` = n_ticks,
+    `data-grid-snap` = FALSE,
+    `data-prettify-separator` = sep,
+    `data-prefix` = pre,
+    `data-postfix` = post,
+    `data-keyboard` = TRUE,
+    `data-keyboard-step` = step / (max - min) * 100,
+    `data-drag-interval` = dragRange,
+    # The following are ignored by the ion.rangeSlider, but are used by Shiny.
+    `data-data-type` = dataType,
+    `data-time-format` = timeFormat,
+    `data-timezone` = timezone
+  ))
+
+  # Replace any TRUE and FALSE with "true" and "false"
+  sliderProps <- lapply(sliderProps, function(x) {
+    if (identical(x, TRUE)) "true"
+    else if (identical(x, FALSE)) "false"
+    else x
+  })
+
+  sliderTag <- div(class = "form-group shiny-input-container",
+    style = if (!is.null(width)) paste0("width: ", validateCssUnit(width), ";"),
+    if (!is.null(label)) controlLabel(inputId, label),
+    do.call(tags$input, sliderProps)
+  )
+
+  # Add animation buttons
+  if (identical(animate, TRUE))
+    animate <- animationOptions()
+
+  if (!is.null(animate) && !identical(animate, FALSE)) {
+    if (is.null(animate$playButton))
+      animate$playButton <- icon('play', lib = 'glyphicon')
+    if (is.null(animate$pauseButton))
+      animate$pauseButton <- icon('pause', lib = 'glyphicon')
+
+    sliderTag <- tagAppendChild(
+      sliderTag,
+      tags$div(class='slider-animate-container',
+        tags$a(href='#',
+          class='slider-animate-button',
+          'data-target-id'=inputId,
+          'data-interval'=animate$interval,
+          'data-loop'=animate$loop,
+          span(class = 'play', animate$playButton),
+          span(class = 'pause', animate$pauseButton)
+        )
+      )
+    )
+  }
+
+  dep <- list(
+    htmlDependency("ionrangeslider", "2.0.12", c(href="shared/ionrangeslider"),
+      script = "js/ion.rangeSlider.min.js",
+      # ion.rangeSlider also needs normalize.css, which is already included in
+      # Bootstrap.
+      stylesheet = c("css/ion.rangeSlider.css",
+                     "css/ion.rangeSlider.skinShiny.css")
+    ),
+    htmlDependency("strftime", "0.9.2", c(href="shared/strftime"),
+      script = "strftime-min.js"
+    )
+  )
+
+  attachDependencies(sliderTag, dep)
+}
+
+hasDecimals <- function(value) {
+  truncatedValue <- round(value)
+  return (!identical(value, truncatedValue))
+}
+
+#' @rdname sliderInput
+#'
+#' @param interval The interval, in milliseconds, between each animation step.
+#' @param loop \code{TRUE} to automatically restart the animation when it
+#'   reaches the end.
+#' @param playButton Specifies the appearance of the play button. Valid values
+#'   are a one-element character vector (for a simple text label), an HTML tag
+#'   or list of tags (using \code{\link{tag}} and friends), or raw HTML (using
+#'   \code{\link{HTML}}).
+#' @param pauseButton Similar to \code{playButton}, but for the pause button.
+#'
+#' @export
+animationOptions <- function(interval=1000,
+                             loop=FALSE,
+                             playButton=NULL,
+                             pauseButton=NULL) {
+  list(interval=interval,
+       loop=loop,
+       playButton=playButton,
+       pauseButton=pauseButton)
+}

R/input-submit.R

@@ -0,0 +1,28 @@
+#' Create a submit button
+#'
+#' Create a submit button for an input form. Forms that include a submit
+#' button do not automatically update their outputs when inputs change,
+#' rather they wait until the user explicitly clicks the submit button.
+#'
+#' @param text Button caption
+#' @param icon Optional \code{\link{icon}} to appear on the button
+#' @param width The width of the button, e.g. \code{'400px'}, or \code{'100\%'};
+#'   see \code{\link{validateCssUnit}}.
+#' @return A submit button that can be added to a UI definition.
+#'
+#' @family input elements
+#'
+#' @examples
+#' submitButton("Update View")
+#' submitButton("Update View", icon("refresh"))
+#' @export
+submitButton <- function(text = "Apply Changes", icon = NULL, width = NULL) {
+  div(
+    tags$button(
+      type="submit",
+      class="btn btn-primary",
+      style = if (!is.null(width)) paste0("width: ", validateCssUnit(width), ";"),
+      list(icon, text)
+    )
+  )
+}

R/input-text.R

@@ -0,0 +1,24 @@
+#' Create a text input control
+#'
+#' Create an input control for entry of unstructured text values
+#'
+#' @param inputId The \code{input} slot that will be used to access the value.
+#' @param label Display label for the control, or \code{NULL} for no label.
+#' @param value Initial value.
+#' @param width The width of the input, e.g. \code{'400px'}, or \code{'100\%'};
+#'   see \code{\link{validateCssUnit}}.
+#' @return A text input control that can be added to a UI definition.
+#'
+#' @family input elements
+#' @seealso \code{\link{updateTextInput}}
+#'
+#' @examples
+#' textInput("caption", "Caption:", "Data Summary")
+#' @export
+textInput <- function(inputId, label, value = "", width = NULL) {
+  div(class = "form-group shiny-input-container",
+    style = if (!is.null(width)) paste0("width: ", validateCssUnit(width), ";"),
+    label %AND% tags$label(label, `for` = inputId),
+    tags$input(id = inputId, type="text", class="form-control", value=value)
+  )
+}

R/input-utils.R

@@ -0,0 +1,105 @@
+controlLabel <- function(controlName, label) {
+  label %AND% tags$label(class = "control-label", `for` = controlName, label)
+}
+
+
+# Before shiny 0.9, `selected` refers to names/labels of `choices`; now it
+# refers to values. Below is a function for backward compatibility.
+validateSelected <- function(selected, choices, inputId) {
+  # drop names, otherwise toJSON() keeps them too
+  selected <- unname(selected)
+  # if you are using optgroups, you're using shiny > 0.10.0, and you should
+  # already know that `selected` must be a value instead of a label
+  if (needOptgroup(choices)) return(selected)
+
+  if (is.list(choices)) choices <- unlist(choices)
+
+  nms <- names(choices)
+  # labels and values are identical, no need to validate
+  if (identical(nms, unname(choices))) return(selected)
+  # when selected labels instead of values
+  i <- (selected %in% nms) & !(selected %in% choices)
+  if (any(i)) {
+    warnFun <- if (all(i)) {
+      # replace names with values
+      selected <- unname(choices[selected])
+      warning
+    } else stop  # stop when it is ambiguous (some labels == values)
+    warnFun("'selected' must be the values instead of names of 'choices' ",
+            "for the input '", inputId, "'")
+  }
+  selected
+}
+
+
+# generate options for radio buttons and checkbox groups (type = 'checkbox' or
+# 'radio')
+generateOptions <- function(inputId, choices, selected, inline, type = 'checkbox') {
+  # generate a list of <input type=? [checked] />
+  options <- mapply(
+    choices, names(choices),
+    FUN = function(value, name) {
+      inputTag <- tags$input(
+        type = type, name = inputId, value = value
+      )
+      if (value %in% selected)
+        inputTag$attribs$checked <- "checked"
+
+      # If inline, there's no wrapper div, and the label needs a class like
+      # checkbox-inline.
+      if (inline) {
+        tags$label(class = paste0(type, "-inline"), inputTag, tags$span(name))
+      } else {
+        tags$div(class = type,
+          tags$label(inputTag, tags$span(name))
+        )
+      }
+    },
+    SIMPLIFY = FALSE, USE.NAMES = FALSE
+  )
+
+  div(class = "shiny-options-group", options)
+}
+
+
+# Takes a vector or list, and adds names (same as the value) to any entries
+# without names.
+choicesWithNames <- function(choices) {
+  # Take a vector or list, and convert to list. Also, if any children are
+  # vectors with length > 1, convert those to list. If the list is unnamed,
+  # convert it to a named list with blank names.
+  listify <- function(obj) {
+    # If a list/vector is unnamed, give it blank names
+    makeNamed <- function(x) {
+      if (is.null(names(x))) names(x) <- character(length(x))
+      x
+    }
+
+    res <- lapply(obj, function(val) {
+      if (is.list(val))
+        listify(val)
+      else if (length(val) == 1 && is.null(names(val)))
+        val
+      else
+        makeNamed(as.list(val))
+    })
+
+    makeNamed(res)
+  }
+
+  choices <- listify(choices)
+  if (length(choices) == 0) return(choices)
+
+  # Recurse into any subgroups
+  choices <- mapply(choices, names(choices), FUN = function(choice, name) {
+    if (!is.list(choice)) return(choice)
+    if (name == "") stop('All sub-lists in "choices" must be named.')
+    choicesWithNames(choice)
+  }, SIMPLIFY = FALSE)
+
+  # default missing names to choice values
+  missing <- names(choices) == ""
+  names(choices)[missing] <- as.character(choices)[missing]
+
+  choices
+}

R/map.R

@@ -23,6 +23,9 @@ Map <- R6Class(
       env[[key]] <- value
       value
     },
+    mget = function(keys) {
+      base::mget(keys, env)
+    },
     mset = function(...) {
       args <- list(...)
       if (length(args) == 0)

R/middleware-shiny.R

@@ -35,7 +35,7 @@ sessionHandler <- function(req) {
   subreq$PATH_INFO <- subpath
   subreq$SCRIPT_NAME <- paste(subreq$SCRIPT_NAME, matches[[1]][2], sep='')
 
-  withReactiveDomain(shinysession$session, {
+  withReactiveDomain(shinysession, {
     shinysession$handleRequest(subreq)
   })
 }

R/middleware.R

@@ -203,8 +203,7 @@ staticHandler <- function(root) {
     if (is.null(abs.path))
       return(NULL)
 
-    ext <- tools::file_ext(abs.path)
-    content.type <- getContentType(ext)
+    content.type <- getContentType(abs.path)
     response.content <- readBin(abs.path, 'raw', n=file.info(abs.path)$size)
     return(httpResponse(200, content.type, response.content))
   })
@@ -333,6 +332,15 @@ HandlerManager <- R6Class("HandlerManager",
             headers=list('Content-Type' = 'text/html')))
         }
 
+        # Catch HEAD requests. For the purposes of handler functions, they
+        # should be treated like GET. The difference is that  they shouldn't
+        # return a body in the http response.
+        head_request <- FALSE
+        if (identical(req$REQUEST_METHOD, "HEAD")) {
+          head_request <- TRUE
+          req$REQUEST_METHOD <- "GET"
+        }
+
         response <- handler(req)
         if (is.null(response))
           response <- httpResponse(404, content="<h1>Not Found</h1>")
@@ -342,9 +350,21 @@ HandlerManager <- R6Class("HandlerManager",
           headers$'Content-Type' <- response$content_type
 
           response <- filter(req, response)
-          return(list(status=response$status,
-            body=response$content,
-            headers=headers))
+          if (head_request) {
+            headers$`Content-Length` <- nchar(response$content, type = "bytes")
+            return(list(
+              status = response$status,
+              body = "",
+              headers = headers
+            ))
+          } else {
+            return(list(
+              status = response$status,
+              body = response$content,
+              headers = headers
+            ))
+          }
+
         } else {
           # Assume it's a Rook-compatible response
           return(response)

R/progress.R

@@ -83,11 +83,11 @@ Progress <- R6Class(
   public = list(
 
     initialize = function(session = getDefaultReactiveDomain(), min = 0, max = 1) {
-      # A hacky check to make sure the session object is indeed a session object.
-      if (is.null(session$onFlush)) stop("'session' is not a session object.")
+      if (!inherits(session, "ShinySession"))
+        stop("'session' is not a ShinySession object.")
 
       private$session <- session
-      private$id <- paste(as.character(as.raw(runif(8, min=0, max=255))), collapse='')
+      private$id <- paste(as.character(as.raw(stats::runif(8, min=0, max=255))), collapse='')
       private$min <- min
       private$max <- max
       private$value <- NULL
@@ -231,8 +231,8 @@ withProgress <- function(expr, min = 0, max = 1,
   if (!quoted)
     expr <- substitute(expr)
 
-  # A hacky check to make sure the session object is indeed a session object.
-  if (is.null(session$onFlush)) stop("'session' is not a session object.")
+  if (!inherits(session, "ShinySession"))
+    stop("'session' is not a ShinySession object.")
 
   p <- Progress$new(session, min = min, max = max)
 
@@ -252,8 +252,8 @@ withProgress <- function(expr, min = 0, max = 1,
 setProgress <- function(value = NULL, message = NULL, detail = NULL,
                         session = getDefaultReactiveDomain()) {
 
-  # A hacky check to make sure the session object is indeed a session object.
-  if (is.null(session$onFlush)) stop("'session' is not a session object.")
+  if (!inherits(session, "ShinySession"))
+    stop("'session' is not a ShinySession object.")
 
   if (session$progressStack$size() == 0) {
     warning('setProgress was called outside of withProgress; ignoring')
@@ -269,8 +269,8 @@ setProgress <- function(value = NULL, message = NULL, detail = NULL,
 incProgress <- function(amount = 0.1, message = NULL, detail = NULL,
                         session = getDefaultReactiveDomain()) {
 
-  # A hacky check to make sure the session object is indeed a session object.
-  if (is.null(session$onFlush)) stop("'session' is not a session object.")
+  if (!inherits(session, "ShinySession"))
+    stop("'session' is not a ShinySession object.")
 
   if (session$progressStack$size() == 0) {
     warning('incProgress was called outside of withProgress; ignoring')

R/reactives.R

@@ -307,10 +307,10 @@ reactiveValuesToList <- function(x, all.names=FALSE) {
 # x[['impl']].
 #' @export
 str.reactivevalues <- function(object, indent.str = " ", ...) {
-  str(unclass(object), indent.str = indent.str, ...)
+  utils::str(unclass(object), indent.str = indent.str, ...)
   # Need to manually print out the class field,
   cat(indent.str, '- attr(*, "class")=', sep = "")
-  str(class(object))
+  utils::str(class(object))
 }
 
 # Observable ----------------------------------------------------------------
@@ -392,25 +392,25 @@ Observable <- R6Class(
 #' Wraps a normal expression to create a reactive expression. Conceptually, a
 #' reactive expression is a expression whose result will change over time.
 #'
-#' Reactive expressions are expressions that can read reactive values and call other
-#' reactive expressions. Whenever a reactive value changes, any reactive expressions
-#' that depended on it are marked as "invalidated" and will automatically
-#' re-execute if necessary. If a reactive expression is marked as invalidated, any
-#' other reactive expressions that recently called it are also marked as
-#' invalidated. In this way, invalidations ripple through the expressions that
-#' depend on each other.
+#' Reactive expressions are expressions that can read reactive values and call
+#' other reactive expressions. Whenever a reactive value changes, any reactive
+#' expressions that depended on it are marked as "invalidated" and will
+#' automatically re-execute if necessary. If a reactive expression is marked as
+#' invalidated, any other reactive expressions that recently called it are also
+#' marked as invalidated. In this way, invalidations ripple through the
+#' expressions that depend on each other.
 #'
 #' See the \href{http://rstudio.github.com/shiny/tutorial/}{Shiny tutorial} for
 #' more information about reactive expressions.
 #'
 #' @param x For \code{reactive}, an expression (quoted or unquoted). For
 #'   \code{is.reactive}, an object to test.
-#' @param env The parent environment for the reactive expression. By default, this
-#'   is the calling environment, the same as when defining an ordinary
+#' @param env The parent environment for the reactive expression. By default,
+#'   this is the calling environment, the same as when defining an ordinary
 #'   non-reactive expression.
 #' @param quoted Is the expression quoted? By default, this is \code{FALSE}.
 #'   This is useful when you want to use an expression that is stored in a
-#'   variable; to do so, it must be quoted with `quote()`.
+#'   variable; to do so, it must be quoted with \code{quote()}.
 #' @param label A label for the reactive expression, useful for debugging.
 #' @param domain See \link{domains}.
 #' @return a function, wrapped in a S3 class "reactive"
@@ -656,7 +656,7 @@ Observer <- R6Class(
 #'   non-reactive expression.
 #' @param quoted Is the expression quoted? By default, this is \code{FALSE}.
 #'   This is useful when you want to use an expression that is stored in a
-#'   variable; to do so, it must be quoted with `quote()`.
+#'   variable; to do so, it must be quoted with \code{quote()}.
 #' @param label A label for the observer, useful for debugging.
 #' @param suspended If \code{TRUE}, start the observer in a suspended state.
 #'   If \code{FALSE} (the default), start in a non-suspended state.
@@ -1263,9 +1263,9 @@ maskReactiveContext <- function(expr) {
 #' "Recalculate" button).
 #'
 #' @param eventExpr A (quoted or unquoted) expression that represents the event;
-#'   this can be a simple reactive value like `input$click`, a call to a
-#'   reactive expression like `dataset()`, or even a complex expression inside
-#'   curly braces
+#'   this can be a simple reactive value like \code{input$click}, a call to a
+#'   reactive expression like \code{dataset()}, or even a complex expression
+#'   inside curly braces
 #' @param handlerExpr The expression to call whenever \code{eventExpr} is
 #'   invalidated. This should be a side-effect-producing action (the return
 #'   value will be ignored). It will be executed within an \code{\link{isolate}}
@@ -1277,19 +1277,19 @@ maskReactiveContext <- function(expr) {
 #'   this is the calling environment.
 #' @param event.quoted Is the \code{eventExpr} expression quoted? By default,
 #'   this is \code{FALSE}. This is useful when you want to use an expression
-#'   that is stored in a variable; to do so, it must be quoted with `quote()`.
+#'   that is stored in a variable; to do so, it must be quoted with
+#'   \code{quote()}.
 #' @param handler.env The parent environment for \code{handlerExpr}. By default,
 #'   this is the calling environment.
 #' @param handler.quoted Is the \code{handlerExpr} expression quoted? By
 #'   default, this is \code{FALSE}. This is useful when you want to use an
 #'   expression that is stored in a variable; to do so, it must be quoted with
-#'   `quote()`.
+#'   \code{quote()}.
 #' @param value.env The parent environment for \code{valueExpr}. By default,
 #'   this is the calling environment.
-#' @param value.quoted Is the \code{valueExpr} expression quoted? By
-#'   default, this is \code{FALSE}. This is useful when you want to use an
-#'   expression that is stored in a variable; to do so, it must be quoted with
-#'   `quote()`.
+#' @param value.quoted Is the \code{valueExpr} expression quoted? By default,
+#'   this is \code{FALSE}. This is useful when you want to use an expression
+#'   that is stored in a variable; to do so, it must be quoted with \code{quote()}.
 #' @param label A label for the observer or reactive, useful for debugging.
 #' @param suspended If \code{TRUE}, start the observer in a suspended state. If
 #'   \code{FALSE} (the default), start in a non-suspended state.
@@ -1323,12 +1323,12 @@ maskReactiveContext <- function(expr) {
 #'   server <- function(input, output) {
 #'     # Take an action every time button is pressed;
 #'     # here, we just print a message to the console
-#'     observeEvent(input$button, function() {
+#'     observeEvent(input$button, {
 #'       cat("Showing", input$x, "rows\n")
 #'     })
 #'     # Take a reactive dependency on input$button, but
 #'     # not on any of the stuff inside the function
-#'     df <- eventReactive(input$button, function() {
+#'     df <- eventReactive(input$button, {
 #'       head(cars, input$x)
 #'     })
 #'     output$table <- renderTable({

R/render-plot.R

@@ -0,0 +1,591 @@
+#' Plot Output
+#'
+#' Renders a reactive plot that is suitable for assigning to an \code{output}
+#' slot.
+#'
+#' The corresponding HTML output tag should be \code{div} or \code{img} and have
+#' the CSS class name \code{shiny-plot-output}.
+#'
+#' @seealso For the corresponding client-side output function, and example
+#'   usage, see \code{\link{plotOutput}}. For more details on how the plots are
+#'   generated, and how to control the output, see \code{\link{plotPNG}}.
+#'
+#' @param expr An expression that generates a plot.
+#' @param width,height The width/height of the rendered plot, in pixels; or
+#'   \code{'auto'} to use the \code{offsetWidth}/\code{offsetHeight} of the HTML
+#'   element that is bound to this plot. You can also pass in a function that
+#'   returns the width/height in pixels or \code{'auto'}; in the body of the
+#'   function you may reference reactive values and functions. When rendering an
+#'   inline plot, you must provide numeric values (in pixels) to both
+#'   \code{width} and \code{height}.
+#' @param res Resolution of resulting plot, in pixels per inch. This value is
+#'   passed to \code{\link{png}}. Note that this affects the resolution of PNG
+#'   rendering in R; it won't change the actual ppi of the browser.
+#' @param ... Arguments to be passed through to \code{\link[grDevices]{png}}.
+#'   These can be used to set the width, height, background color, etc.
+#' @param env The environment in which to evaluate \code{expr}.
+#' @param quoted Is \code{expr} a quoted expression (with \code{quote()})? This
+#'   is useful if you want to save an expression in a variable.
+#' @param func A function that generates a plot (deprecated; use \code{expr}
+#'   instead).
+#'
+#' @export
+renderPlot <- function(expr, width='auto', height='auto', res=72, ...,
+                       env=parent.frame(), quoted=FALSE, func=NULL) {
+  if (!is.null(func)) {
+    shinyDeprecated(msg="renderPlot: argument 'func' is deprecated. Please use 'expr' instead.")
+  } else {
+    installExprFunction(expr, "func", env, quoted)
+  }
+
+  args <- list(...)
+
+  if (is.function(width))
+    widthWrapper <- reactive({ width() })
+  else
+    widthWrapper <- NULL
+
+  if (is.function(height))
+    heightWrapper <- reactive({ height() })
+  else
+    heightWrapper <- NULL
+
+  # If renderPlot isn't going to adapt to the height of the div, then the
+  # div needs to adapt to the height of renderPlot. By default, plotOutput
+  # sets the height to 400px, so to make it adapt we need to override it
+  # with NULL.
+  outputFunc <- plotOutput
+  if (!identical(height, 'auto')) formals(outputFunc)['height'] <- list(NULL)
+
+  return(markRenderFunction(outputFunc, function(shinysession, name, ...) {
+    if (!is.null(widthWrapper))
+      width <- widthWrapper()
+    if (!is.null(heightWrapper))
+      height <- heightWrapper()
+
+    # Note that these are reactive calls. A change to the width and height
+    # will inherently cause a reactive plot to redraw (unless width and
+    # height were explicitly specified).
+    prefix <- 'output_'
+    if (width == 'auto')
+      width <- shinysession$clientData[[paste(prefix, name, '_width', sep='')]];
+    if (height == 'auto')
+      height <- shinysession$clientData[[paste(prefix, name, '_height', sep='')]];
+
+    if (is.null(width) || is.null(height) || width <= 0 || height <= 0)
+      return(NULL)
+
+    # Resolution multiplier
+    pixelratio <- shinysession$clientData$pixelratio
+    if (is.null(pixelratio))
+      pixelratio <- 1
+
+    coordmap <- NULL
+    plotFunc <- function() {
+      # Actually perform the plotting
+      result <- withVisible(func())
+
+      coordmap <<- NULL
+
+      if (result$visible) {
+        # Use capture.output to squelch printing to the actual console; we
+        # are only interested in plot output
+
+        # Special case for ggplot objects - need to capture coordmap
+        if (inherits(result$value, "ggplot")) {
+          utils::capture.output(coordmap <<- getGgplotCoordmap(result$value, pixelratio))
+        } else {
+          utils::capture.output(print(result$value))
+        }
+      }
+
+      if (is.null(coordmap)) {
+        coordmap <<- getPrevPlotCoordmap(width, height)
+      }
+    }
+
+    outfile <- do.call(plotPNG, c(plotFunc, width=width*pixelratio,
+                                  height=height*pixelratio, res=res*pixelratio, args))
+    on.exit(unlink(outfile))
+
+    # A list of attributes for the img
+    res <- list(
+      src=shinysession$fileUrl(name, outfile, contentType='image/png'),
+      width=width, height=height, coordmap=coordmap
+    )
+
+    # Get error message if present (from attribute on the coordmap)
+    error <- attr(coordmap, "error", exact = TRUE)
+    if (!is.null(error)) {
+      res$error <- error
+    }
+
+    res
+  }))
+}
+
+# The coordmap extraction functions below return something like the examples
+# below. For base graphics:
+# plot(mtcars$wt, mtcars$mpg)
+# str(getPrevPlotCoordmap(400, 300))
+# List of 1
+#  $ :List of 4
+#   ..$ domain :List of 4
+#   .. ..$ left  : num 1.36
+#   .. ..$ right : num 5.58
+#   .. ..$ bottom: num 9.46
+#   .. ..$ top   : num 34.8
+#   ..$ range  :List of 4
+#   .. ..$ left  : num 50.4
+#   .. ..$ right : num 373
+#   .. ..$ bottom: num 199
+#   .. ..$ top   : num 79.6
+#   ..$ log    :List of 2
+#   .. ..$ x: NULL
+#   .. ..$ y: NULL
+#   ..$ mapping: Named list()
+#
+# For ggplot2, it might be something like:
+# p <- ggplot(mtcars, aes(wt, mpg)) + geom_point()
+# str(getGgplotCoordmap(p, 1))
+# List of 1
+#  $ :List of 10
+#   ..$ panel     : int 1
+#   ..$ row       : int 1
+#   ..$ col       : int 1
+#   ..$ panel_vars: Named list()
+#   ..$ scale_x   : int 1
+#   ..$ scale_y   : int 1
+#   ..$ log       :List of 2
+#   .. ..$ x: NULL
+#   .. ..$ y: NULL
+#   ..$ domain    :List of 4
+#   .. ..$ left  : num 1.32
+#   .. ..$ right : num 5.62
+#   .. ..$ bottom: num 9.22
+#   .. ..$ top   : num 35.1
+#   ..$ mapping   :List of 2
+#   .. ..$ x: chr "wt"
+#   .. ..$ y: chr "mpg"
+#   ..$ range     :List of 4
+#   .. ..$ left  : num 40.8
+#   .. ..$ right : num 446
+#   .. ..$ bottom: num 263
+#   .. ..$ top   : num 14.4
+#
+# With a faceted ggplot2 plot, the outer list contains two objects, each of
+# which represents one panel. In this example, there is one panelvar, but there
+# can be up to two of them.
+# mtc <- mtcars
+# mtc$am <- factor(mtc$am)
+# p <- ggplot(mtcars, aes(wt, mpg)) + geom_point() + facet_wrap(~ am)
+# str(getGgplotCoordmap(p, 1))
+# List of 2
+#  $ :List of 10
+#   ..$ panel     : int 1
+#   ..$ row       : int 1
+#   ..$ col       : int 1
+#   ..$ panel_vars:List of 1
+#   .. ..$ panelvar1: Factor w/ 2 levels "0","1": 1
+#   ..$ scale_x   : int 1
+#   ..$ scale_y   : int 1
+#   ..$ log       :List of 2
+#   .. ..$ x: NULL
+#   .. ..$ y: NULL
+#   ..$ domain    :List of 4
+#   .. ..$ left  : num 1.32
+#   .. ..$ right : num 5.62
+#   .. ..$ bottom: num 9.22
+#   .. ..$ top   : num 35.1
+#   ..$ mapping   :List of 3
+#   .. ..$ x        : chr "wt"
+#   .. ..$ y        : chr "mpg"
+#   .. ..$ panelvar1: chr "am"
+#   ..$ range     :List of 4
+#   .. ..$ left  : num 45.6
+#   .. ..$ right : num 317
+#   .. ..$ bottom: num 251
+#   .. ..$ top   : num 35.7
+#  $ :List of 10
+#   ..$ panel     : int 2
+#   ..$ row       : int 1
+#   ..$ col       : int 2
+#   ..$ panel_vars:List of 1
+#   .. ..$ panelvar1: Factor w/ 2 levels "0","1": 2
+#   ..$ scale_x   : int 1
+#   ..$ scale_y   : int 1
+#   ..$ log       :List of 2
+#   .. ..$ x: NULL
+#   .. ..$ y: NULL
+#   ..$ domain    :List of 4
+#   .. ..$ left  : num 1.32
+#   .. ..$ right : num 5.62
+#   .. ..$ bottom: num 9.22
+#   .. ..$ top   : num 35.1
+#   ..$ mapping   :List of 3
+#   .. ..$ x        : chr "wt"
+#   .. ..$ y        : chr "mpg"
+#   .. ..$ panelvar1: chr "am"
+#   ..$ range     :List of 4
+#   .. ..$ left  : num 322
+#   .. ..$ right : num 594
+#   .. ..$ bottom: num 251
+#   .. ..$ top   : num 35.7
+
+
+# Get a coordmap for the previous plot made with base graphics.
+# Requires width and height of output image, in pixels.
+# Must be called before the graphics device is closed.
+getPrevPlotCoordmap <- function(width, height) {
+  usrCoords <- graphics::par('usr')
+  usrBounds <- usrCoords
+  if (graphics::par('xlog')) {
+    usrBounds[c(1,2)] <- 10 ^ usrBounds[c(1,2)]
+  }
+  if (graphics::par('ylog')) {
+    usrBounds[c(3,4)] <- 10 ^ usrBounds[c(3,4)]
+  }
+
+  # Wrapped in double list because other types of plots can have multiple panels.
+  list(list(
+    # Bounds of the plot area, in data space
+    domain = list(
+      left = usrCoords[1],
+      right = usrCoords[2],
+      bottom = usrCoords[3],
+      top = usrCoords[4]
+    ),
+    # The bounds of the plot area, in DOM pixels
+    range = list(
+      left = graphics::grconvertX(usrBounds[1], 'user', 'nfc') * width,
+      right = graphics::grconvertX(usrBounds[2], 'user', 'nfc') * width,
+      bottom = (1-graphics::grconvertY(usrBounds[3], 'user', 'nfc')) * height - 1,
+      top = (1-graphics::grconvertY(usrBounds[4], 'user', 'nfc')) * height - 1
+    ),
+    log = list(
+      x = if (graphics::par('xlog')) 10 else NULL,
+      y = if (graphics::par('ylog')) 10 else NULL
+    ),
+    # We can't extract the original variable names from a base graphic.
+    # `mapping` is an empty _named_ list, so that it is converted to an object
+    # (not an array) in JSON.
+    mapping = list(x = NULL)[0]
+  ))
+}
+
+# Print a ggplot object and return a coordmap for it.
+getGgplotCoordmap <- function(p, pixelratio) {
+  if (!inherits(p, "ggplot"))
+    return(NULL)
+
+  # A modified version of print.ggplot which returns the built ggplot object as
+  # well as the gtable grob. This overrides the ggplot::print.ggplot method, but
+  # only within the context of getGgplotCoordmap. The reason this needs to be an
+  # (pseudo) S3 method is so that, if an object has a class in addition to
+  # ggplot, and there's a print method for that class, that we won't override
+  # that method.
+  # https://github.com/rstudio/shiny/issues/841
+  print.ggplot <- function(x) {
+    grid::grid.newpage()
+
+    build <- ggplot2::ggplot_build(x)
+
+    gtable <- ggplot2::ggplot_gtable(build)
+    grid::grid.draw(gtable)
+
+    list(
+      build = build,
+      gtable = gtable
+    )
+  }
+
+  # Given the name of a generic function and an object, return the class name
+  # for the method that would be used on the object.
+  which_method <- function(generic, x) {
+    classes <- class(x)
+    method_names <- paste(generic, classes, sep = ".")
+    idx <- which(method_names %in% utils::methods(generic))
+
+    if (length(idx) == 0)
+      return(NULL)
+
+    # Return name of first class with matching method
+    classes[idx[1]]
+  }
+
+
+  # Given a built ggplot object, return x and y domains (data space coords) for
+  # each panel.
+  find_panel_info <- function(b) {
+    layout <- b$panel$layout
+    # Convert factor to numbers
+    layout$PANEL <- as.integer(as.character(layout$PANEL))
+
+    # Names of facets
+    facet <- b$plot$facet
+    facet_vars <- NULL
+    if (inherits(facet, "grid")) {
+      facet_vars <- vapply(c(facet$cols, facet$rows), as.character, character(1))
+    } else if (inherits(facet, "wrap")) {
+      facet_vars <- vapply(facet$facets, as.character, character(1))
+    }
+
+    # Iterate over each row in the layout data frame
+    lapply(seq_len(nrow(layout)), function(i) {
+      # Slice out one row
+      l <- layout[i, ]
+
+      scale_x <- l$SCALE_X
+      scale_y <- l$SCALE_Y
+
+      mapping <- find_plot_mappings(b)
+
+      # For each of the faceting variables, get the value of that variable in
+      # the current panel. Default to empty _named_ list so that it's sent as a
+      # JSON object, not array.
+      panel_vars <- list(a = NULL)[0]
+      for (i in seq_along(facet_vars)) {
+        var_name <- facet_vars[[i]]
+        vname <- paste0("panelvar", i)
+
+        mapping[[vname]] <- var_name
+        panel_vars[[vname]] <- l[[var_name]]
+      }
+
+      list(
+        panel   = l$PANEL,
+        row     = l$ROW,
+        col     = l$COL,
+        panel_vars = panel_vars,
+        scale_x = scale_x,
+        scale_y = scale_x,
+        log     = check_log_scales(b, scale_x, scale_y),
+        domain  = find_panel_domain(b, l$PANEL, scale_x, scale_y),
+        mapping = mapping
+      )
+    })
+  }
+
+  # Given a single range object (representing the data domain) from a built
+  # ggplot object, return the domain.
+  find_panel_domain <- function(b, panel_num, scalex_num = 1, scaley_num = 1) {
+    range <- b$panel$ranges[[panel_num]]
+    res <- list(
+      left   = range$x.range[1],
+      right  = range$x.range[2],
+      bottom = range$y.range[1],
+      top    = range$y.range[2]
+    )
+
+    # Check for reversed scales
+    xscale <- b$panel$x_scales[[scalex_num]]
+    yscale <- b$panel$y_scales[[scaley_num]]
+
+    if (!is.null(xscale$trans) && xscale$trans$name == "reverse") {
+      res$left  <- -res$left
+      res$right <- -res$right
+    }
+    if (!is.null(yscale$trans) && yscale$trans$name == "reverse") {
+      res$top    <- -res$top
+      res$bottom <- -res$bottom
+    }
+
+    res
+  }
+
+  # Given built ggplot object, return object with the log base for x and y if
+  # there are log scales or coord transforms.
+  check_log_scales <- function(b, scalex_num = 1, scaley_num = 1) {
+
+    # Given a vector of transformation names like c("log-10", "identity"),
+    # return the first log base, like 10. If none are present, return NULL.
+    extract_log_base <- function(names) {
+      names <- names[grepl("^log-", names)]
+
+      if (length(names) == 0)
+        return(NULL)
+
+      names <- names[1]
+
+      as.numeric(sub("^log-", "", names))
+    }
+
+    # Look for log scales and log coord transforms. People shouldn't use both.
+    x_names <- character(0)
+    y_names <- character(0)
+
+    # Continuous scales have a trans; discrete ones don't
+    if (!is.null(b$panel$x_scales[[scalex_num]]$trans))
+      x_names <- b$panel$x_scales[[scalex_num]]$trans$name
+    if (!is.null(b$panel$y_scales[[scaley_num]]$trans))
+      y_names <- b$panel$y_scales[[scaley_num]]$trans$name
+
+    coords <- b$plot$coordinates
+    if (!is.null(coords$trans)) {
+      if (!is.null(coords$trans$x))
+        x_names <- c(x_names, coords$trans$x$name)
+      if (!is.null(coords$trans$y))
+        y_names <- c(y_names, coords$trans$y$name)
+    }
+
+    # Keep only scale/trans names that start with "log-"
+    x_names <- x_names[grepl("^log-", x_names)]
+    y_names <- y_names[grepl("^log-", y_names)]
+
+    # Extract the log base from the trans name -- a string like "log-10".
+    list(
+      x = extract_log_base(x_names),
+      y = extract_log_base(y_names)
+    )
+  }
+
+  # Given a built ggplot object, return a named list of variables mapped to x
+  # and y. This function will be called for each panel, but in practice the
+  # result is always the same across panels, so we'll cache the result.
+  mappings_cache <- NULL
+  find_plot_mappings <- function(b) {
+    if (!is.null(mappings_cache))
+      return(mappings_cache)
+
+    # lapply'ing as.character results in unexpected behavior for expressions
+    # like `wt/2`. This works better.
+    mappings <- as.list(as.character(b$plot$mapping))
+
+    # If x or y mapping is missing, look in each layer for mappings and return
+    # the first one.
+    missing_mappings <- setdiff(c("x", "y"), names(mappings))
+    if (length(missing_mappings) != 0) {
+      # Grab mappings for each layer
+      layer_mappings <- lapply(b$plot$layers, function(layer) {
+        lapply(layer$mapping, as.character)
+      })
+
+      # Get just the first x or y value in the combined list of plot and layer
+      # mappings.
+      mappings <- c(list(mappings), layer_mappings)
+      mappings <- Reduce(x = mappings, init = list(x = NULL, y = NULL),
+        function(init, m) {
+          if (is.null(init$x) && !is.null(m$x)) init$x <- m$x
+          if (is.null(init$y) && !is.null(m$y)) init$y <- m$y
+          init
+        }
+      )
+    }
+
+    mappings_cache <<- mappings
+    mappings
+  }
+
+  # Given a gtable object, return the x and y ranges (in pixel dimensions)
+  find_panel_ranges <- function(g, pixelratio) {
+    # Given a vector of unit objects, return logical vector indicating which ones
+    # are "null" units. These units use the remaining available width/height --
+    # that is, the space not occupied by elements that have an absolute size.
+    is_null_unit <- function(x) {
+      vapply(x, FUN.VALUE = logical(1), function(u) {
+        isTRUE(attr(u, "unit", exact = TRUE) == "null")
+      })
+    }
+
+    # Convert a unit (or vector of units) to a numeric vector of pixel sizes
+    h_px <- function(x) as.numeric(grid::convertHeight(x, "native"))
+    w_px <- function(x) as.numeric(grid::convertWidth(x, "native"))
+
+    # Given a vector of relative sizes (in grid units), and a function for
+    # converting grid units to numeric pixels, return a numeric vector of
+    # pixel sizes.
+    find_px_sizes <- function(rel_sizes, unit_to_px) {
+      # Total pixels (in height or width)
+      total_px <- unit_to_px(grid::unit(1, "npc"))
+      # Calculate size of all panel(s) together. Panels (and only panels) have
+      # null size.
+      null_idx <- is_null_unit(rel_sizes)
+      # All the absolute heights. At this point, null heights are 0. We need to
+      # calculate them separately and add them in later.
+      px_sizes <- unit_to_px(rel_sizes)
+      # Total size for panels is image size minus absolute (non-panel) elements
+      panel_px_total <- total_px - sum(px_sizes)
+      # Divide up the total panel size up into the panels (scaled by size)
+      panel_sizes_rel <- as.numeric(rel_sizes[null_idx])
+      panel_sizes_rel <- panel_sizes_rel / sum(panel_sizes_rel)
+      px_sizes[null_idx] <- panel_px_total * panel_sizes_rel
+      abs(px_sizes)
+    }
+
+    px_heights <- find_px_sizes(g$heights, h_px)
+    px_widths <- find_px_sizes(g$widths, w_px)
+
+    # Convert to absolute pixel positions
+    x_pos <- cumsum(px_widths)
+    y_pos <- cumsum(px_heights)
+
+    # Match up the pixel dimensions to panels
+    layout <- g$layout
+    # For panels:
+    # * For facet_wrap, they'll be named "panel-1", "panel-2", etc.
+    # * For no facet or facet_grid, they'll just be named "panel". For
+    #   facet_grid, we need to re-order the layout table. Assume that panel
+    #   numbers go from left to right, then next row.
+    # Assign a number to each panel, corresponding to PANEl in the built ggplot
+    # object.
+    layout <- layout[grepl("^panel", layout$name), ]
+    layout <- layout[order(layout$t, layout$l), ]
+    layout$panel <- seq_len(nrow(layout))
+
+    # When using a HiDPI client on a Linux server, the pixel
+    # dimensions are doubled, so we have to divide the dimensions by
+    # `pixelratio`. When a HiDPI client is used on a Mac server (with
+    # the quartz device), the pixel dimensions _aren't_ doubled, even though
+    # the image has double size. In the latter case we don't have to scale the
+    # numbers down.
+    pix_ratio <- 1
+    if (!grepl("^quartz", names(grDevices::dev.cur()))) {
+      pix_ratio <- pixelratio
+    }
+
+    # Return list of lists, where each inner list has left, right, top, bottom
+    # values for a panel
+    lapply(seq_len(nrow(layout)), function(i) {
+      p <- layout[i, , drop = FALSE]
+      list(
+        left   = x_pos[p$l - 1] / pix_ratio,
+        right  = x_pos[p$r] / pix_ratio,
+        bottom = y_pos[p$b] / pix_ratio,
+        top    = y_pos[p$t - 1] / pix_ratio
+      )
+    })
+  }
+
+  # If print(p) gets dispatched to print.ggplot(p), attempt to extract coordmap.
+  # If dispatched to another method, just print the object and don't attempt to
+  # extract the coordmap. This can happen if there's another print method that
+  # takes precedence.
+  if (identical(which_method("print", p), "ggplot")) {
+    res <- print(p)
+
+    tryCatch({
+      # Get info from built ggplot object
+      info <- find_panel_info(res$build)
+
+      # Get ranges from gtable - it's possible for this to return more elements than
+      # info, because it calculates positions even for panels that aren't present.
+      # This can happen with facet_wrap.
+      ranges <- find_panel_ranges(res$gtable, pixelratio)
+
+      for (i in seq_along(info)) {
+        info[[i]]$range <- ranges[[i]]
+      }
+
+      return(info)
+
+    }, error = function(e) {
+      # If there was an error extracting info from the ggplot object, just return
+      # a list with the error message.
+      return(structure(list(), error = e$message))
+    })
+
+  } else {
+    print(p)
+    return(list())
+  }
+}

R/run-url.R

@@ -14,6 +14,9 @@
 #' @param subdir A subdirectory in the repository that contains the app. By
 #'   default, this function will run an app from the top level of the repo, but
 #'   you can use a path such as `\code{"inst/shinyapp"}.
+#' @param destdir Directory to store the downloaded application files. If \code{NULL}
+#'   (the default), the application files will be stored in a temporary directory
+#'   and removed when the app exits
 #' @param ... Other arguments to be passed to \code{\link{runApp}()}, such as
 #'   \code{port} and \code{launch.browser}.
 #' @export
@@ -26,7 +29,7 @@
 #'   runUrl("https://github.com/rstudio/shiny_example/archive/master.zip",
 #'     subdir = "inst/shinyapp/")
 #' }
-runUrl <- function(url, filetype = NULL, subdir = NULL, ...) {
+runUrl <- function(url, filetype = NULL, subdir = NULL, destdir = NULL, ...) {
 
   if (!is.null(subdir) && ".." %in% strsplit(subdir, '/')[[1]])
     stop("'..' not allowed in subdir")
@@ -44,8 +47,14 @@ runUrl <- function(url, filetype = NULL, subdir = NULL, ...) {
     stop("Unknown file extension.")
 
   message("Downloading ", url)
-  filePath <- tempfile('shinyapp', fileext=fileext)
-  fileDir  <- tempfile('shinyapp')
+  if (is.null(destdir)) {
+    filePath <- tempfile('shinyapp', fileext = fileext)
+    fileDir  <- tempfile('shinyapp')
+  } else {
+    fileDir <- destdir
+    filePath <- paste(destdir, fileext)
+  }
+
   dir.create(fileDir, showWarnings = FALSE)
   if (download(url, filePath, mode = "wb", quiet = TRUE) != 0)
     stop("Failed to download URL ", url)
@@ -62,13 +71,16 @@ runUrl <- function(url, filetype = NULL, subdir = NULL, ...) {
     untar2(filePath, exdir = fileDir)
 
   } else if (fileext == ".zip") {
-    first <- as.character(unzip(filePath, list=TRUE)$Name)[1]
-    unzip(filePath, exdir = fileDir)
+    first <- as.character(utils::unzip(filePath, list=TRUE)$Name)[1]
+    utils::unzip(filePath, exdir = fileDir)
+  }
+
+  if(is.null(destdir)){
+    on.exit(unlink(fileDir, recursive = TRUE), add = TRUE)
   }
-  on.exit(unlink(fileDir, recursive = TRUE), add = TRUE)
 
   appdir <- file.path(fileDir, first)
-  if (!file_test('-d', appdir)) appdir <- dirname(appdir)
+  if (!utils::file_test('-d', appdir)) appdir <- dirname(appdir)
 
   if (!is.null(subdir)) appdir <- file.path(appdir, subdir)
   runApp(appdir, ...)
@@ -90,7 +102,7 @@ runUrl <- function(url, filetype = NULL, subdir = NULL, ...) {
 #'   runGist("https://gist.github.com/3239667")
 #' }
 #'
-runGist <- function(gist, ...) {
+runGist <- function(gist, destdir = NULL, ...) {
 
   gistUrl <- if (is.numeric(gist) || grepl('^[0-9a-f]+$', gist)) {
     sprintf('https://gist.github.com/%s/download', gist)
@@ -100,7 +112,7 @@ runGist <- function(gist, ...) {
     stop('Unrecognized gist identifier format')
   }
 
-  runUrl(gistUrl, filetype=".tar.gz", ...)
+  runUrl(gistUrl, filetype = ".zip", destdir = destdir, ...)
 }
 
 
@@ -121,7 +133,7 @@ runGist <- function(gist, ...) {
 #'   runGitHub("shiny_example", "rstudio", subdir = "inst/shinyapp/")
 #' }
 runGitHub <- function(repo, username = getOption("github.user"),
-                      ref = "master", subdir = NULL, ...) {
+                      ref = "master", subdir = NULL, destdir = NULL, ...) {
 
   if (grepl('/', repo)) {
     res <- strsplit(repo, '/')[[1]]
@@ -133,5 +145,5 @@ runGitHub <- function(repo, username = getOption("github.user"),
   url <- paste("https://github.com/", username, "/", repo, "/archive/",
                ref, ".tar.gz", sep = "")
 
-  runUrl(url, subdir=subdir, ...)
+  runUrl(url, subdir = subdir, destdir = destdir, ...)
 }

R/server-input-handlers.R

@@ -0,0 +1,111 @@
+# Create a map for input handlers and register the defaults.
+inputHandlers <- Map$new()
+
+#' Register an Input Handler
+#'
+#' Adds an input handler for data of this type. When called, Shiny will use the
+#' function provided to refine the data passed back from the client (after being
+#' deserialized by jsonlite) before making it available in the \code{input}
+#' variable of the \code{server.R} file.
+#'
+#' This function will register the handler for the duration of the R process
+#' (unless Shiny is explicitly reloaded). For that reason, the \code{type} used
+#' should be very specific to this package to minimize the risk of colliding
+#' with another Shiny package which might use this data type name. We recommend
+#' the format of "packageName.widgetName".
+#'
+#' Currently Shiny registers the following handlers: \code{shiny.matrix},
+#' \code{shiny.number}, and \code{shiny.date}.
+#'
+#' The \code{type} of a custom Shiny Input widget will be deduced using the
+#' \code{getType()} JavaScript function on the registered Shiny inputBinding.
+#' @param type The type for which the handler should be added -- should be a
+#' single-element character vector.
+#' @param fun The handler function. This is the function that will be used to
+#'   parse the data delivered from the client before it is available in the
+#'   \code{input} variable. The function will be called with the following three
+#'   parameters:
+#'    \enumerate{
+#'      \item{The value of this input as provided by the client, deserialized
+#'      using jsonlite.}
+#'      \item{The \code{shinysession} in which the input exists.}
+#'      \item{The name of the input.}
+#'    }
+#' @param force If \code{TRUE}, will overwrite any existing handler without
+#' warning. If \code{FALSE}, will throw an error if this class already has
+#' a handler defined.
+#' @examples
+#' \dontrun{
+#' # Register an input handler which rounds a input number to the nearest integer
+#' registerInputHandler("mypackage.validint", function(x, shinysession, name) {
+#'   if (is.null(x)) return(NA)
+#'   round(x)
+#' })
+#'
+#' ## On the Javascript side, the associated input binding must have a corresponding getType method:
+#' getType: function(el) {
+#'   return "mypackage.validint";
+#' }
+#'
+#' }
+#' @seealso \code{\link{removeInputHandler}}
+#' @export
+registerInputHandler <- function(type, fun, force=FALSE){
+  if (inputHandlers$containsKey(type) && !force){
+    stop("There is already an input handler for type: ", type)
+  }
+  inputHandlers$set(type, fun)
+}
+
+#' Deregister an Input Handler
+#'
+#' Removes an Input Handler. Rather than using the previously specified handler
+#' for data of this type, the default jsonlite serialization will be used.
+#'
+#' @param type The type for which handlers should be removed.
+#' @return The handler previously associated with this \code{type}, if one
+#'   existed. Otherwise, \code{NULL}.
+#' @seealso \code{\link{registerInputHandler}}
+#' @export
+removeInputHandler <- function(type){
+  inputHandlers$remove(type)
+}
+
+# Takes a list-of-lists and returns a matrix. The lists
+# must all be the same length. NULL is replaced by NA.
+registerInputHandler("shiny.matrix", function(data, ...) {
+  if (length(data) == 0)
+    return(matrix(nrow=0, ncol=0))
+
+  m <- matrix(unlist(lapply(data, function(x) {
+    sapply(x, function(y) {
+      ifelse(is.null(y), NA, y)
+    })
+  })), nrow = length(data[[1]]), ncol = length(data))
+  return(m)
+})
+
+registerInputHandler("shiny.number", function(val, ...){
+  ifelse(is.null(val), NA, val)
+})
+
+registerInputHandler("shiny.date", function(val, ...){
+  # First replace NULLs with NA, then convert to Date vector
+  datelist <- ifelse(lapply(val, is.null), NA, val)
+  as.Date(unlist(datelist))
+})
+
+registerInputHandler("shiny.datetime", function(val, ...){
+  # First replace NULLs with NA, then convert to POSIXct vector
+  times <- lapply(val, function(x) {
+    if (is.null(x)) NA
+    else x
+  })
+  as.POSIXct(unlist(times), origin = "1970-01-01", tz = "UTC")
+})
+
+registerInputHandler("shiny.action", function(val, ...) {
+  # mark up the action button value with a special class so we can recognize it later
+  class(val) <- c(class(val), "shinyActionButtonValue")
+  val
+})

R/server.R

@@ -1,110 +1,7 @@
-#' @include globals.R
+#' @include server-input-handlers.R
 
 appsByToken <- Map$new()
 
-# Create a map for input handlers and register the defaults.
-inputHandlers <- Map$new()
-
-#' Register an Input Handler
-#'
-#' Adds an input handler for data of this type. When called, Shiny will use the
-#' function provided to refine the data passed back from the client (after being
-#' deserialized by RJSONIO) before making it available in the \code{input}
-#' variable of the \code{server.R} file.
-#'
-#' This function will register the handler for the duration of the R process
-#' (unless Shiny is explicitly reloaded). For that reason, the \code{type} used
-#' should be very specific to this package to minimize the risk of colliding
-#' with another Shiny package which might use this data type name. We recommend
-#' the format of "packageName.widgetName".
-#'
-#' Currently Shiny registers the following handlers: \code{shiny.matrix},
-#' \code{shiny.number}, and \code{shiny.date}.
-#'
-#' The \code{type} of a custom Shiny Input widget will be deduced using the
-#' \code{getType()} JavaScript function on the registered Shiny inputBinding.
-#' @param type The type for which the handler should be added -- should be a
-#' single-element character vector.
-#' @param fun The handler function. This is the function that will be used to
-#'   parse the data delivered from the client before it is available in the
-#'   \code{input} variable. The function will be called with the following three
-#'   parameters:
-#'    \enumerate{
-#'      \item{The value of this input as provided by the client, deserialized
-#'      using RJSONIO.}
-#'      \item{The \code{shinysession} in which the input exists.}
-#'      \item{The name of the input.}
-#'    }
-#' @param force If \code{TRUE}, will overwrite any existing handler without
-#' warning. If \code{FALSE}, will throw an error if this class already has
-#' a handler defined.
-#' @examples
-#' \dontrun{
-#' # Register an input handler which rounds a input number to the nearest integer
-#' registerInputHandler("mypackage.validint", function(x, shinysession, name) {
-#'   if (is.null(x)) return(NA)
-#'   round(x)
-#' })
-#'
-#' ## On the Javascript side, the associated input binding must have a corresponding getType method:
-#' getType: function(el) {
-#'   return "mypackage.validint";
-#' }
-#'
-#' }
-#' @seealso \code{\link{removeInputHandler}}
-#' @export
-registerInputHandler <- function(type, fun, force=FALSE){
-  if (inputHandlers$containsKey(type) && !force){
-    stop("There is already an input handler for type: ", type)
-  }
-  inputHandlers$set(type, fun)
-}
-
-#' Deregister an Input Handler
-#'
-#' Removes an Input Handler. Rather than using the previously specified handler
-#' for data of this type, the default RJSONIO serialization will be used.
-#'
-#' @param type The type for which handlers should be removed.
-#' @return The handler previously associated with this \code{type}, if one
-#'   existed. Otherwise, \code{NULL}.
-#' @seealso \code{\link{registerInputHandler}}
-#' @export
-removeInputHandler <- function(type){
-  inputHandlers$remove(type)
-}
-
-# Takes a list-of-lists and returns a matrix. The lists
-# must all be the same length. NULL is replaced by NA.
-registerInputHandler("shiny.matrix", function(data, ...) {
-  if (length(data) == 0)
-    return(matrix(nrow=0, ncol=0))
-
-  m <- matrix(unlist(lapply(data, function(x) {
-    sapply(x, function(y) {
-      ifelse(is.null(y), NA, y)
-    })
-  })), nrow = length(data[[1]]), ncol = length(data))
-  return(m)
-})
-
-registerInputHandler("shiny.number", function(val, ...){
-  ifelse(is.null(val), NA, val)
-})
-
-registerInputHandler("shiny.date", function(val, ...){
-  # First replace NULLs with NA, then convert to Date vector
-  datelist <- ifelse(lapply(val, is.null), NA, val)
-  as.Date(unlist(datelist))
-})
-
-registerInputHandler("shiny.action", function(val, ...) {
-  # mark up the action button value with a special class so we can recognize it later
-  class(val) <- c(class(val), "shinyActionButtonValue")
-  val
-})
-
 # Provide a character representation of the WS that can be used
 # as a key in a Map.
 wsToKey <- function(WS) {
@@ -257,9 +154,10 @@ decodeMessage <- function(data) {
   }
 
   if (readInt(1) != 0x01020202L) {
-    # use native encoding for the message
-    nativeData <- iconv(rawToChar(data), 'UTF-8')
-    return(fromJSON(nativeData, asText=TRUE, simplify=FALSE))
+    # Treat message as UTF-8
+    charData <- rawToChar(data)
+    Encoding(charData) <- 'UTF-8'
+    return(jsonlite::fromJSON(charData, simplifyVector=FALSE))
   }
 
   i <- 5
@@ -405,9 +303,9 @@ createAppHandlers <- function(httpHandlers, serverFuncSource) {
                 args$clientData <- shinysession$clientData
 
               if ('session' %in% names(formals(serverFunc)))
-                args$session <- shinysession$session
+                args$session <- shinysession
 
-              withReactiveDomain(shinysession$session, {
+              withReactiveDomain(shinysession, {
                 do.call(appvars$server, args)
               })
             })
@@ -560,12 +458,15 @@ serviceApp <- function() {
 #'
 #' @param appDir The directory of the application. Should contain
 #'   \code{server.R}, plus, either \code{ui.R} or a \code{www} directory that
-#'   contains the file \code{index.html}. Defaults to the working directory.
-#'   Instead of a directory, this could be a list with \code{ui} and
-#'   \code{server} components, or a Shiny app object created by
-#'   \code{\link{shinyApp}}.
-#' @param port The TCP port that the application should listen on. Defaults to
-#'   choosing a random port.
+#'   contains the file \code{index.html}. Alternately, instead of
+#'   \code{server.R} and \code{ui.R}, the directory may contain just
+#'   \code{app.R}. Defaults to the working directory. Instead of a directory,
+#'   this could be a list with \code{ui} and \code{server} components, or a
+#'   Shiny app object created by \code{\link{shinyApp}}.
+#' @param port The TCP port that the application should listen on. If the
+#'   \code{port} is not specified, and the \code{shiny.port} option is set (with
+#'   \code{options(shiny.port = XX)}), then that port will be used. Otherwise,
+#'   use a random port.
 #' @param launch.browser If true, the system's default web browser will be
 #'   launched automatically after the app is started. Defaults to true in
 #'   interactive sessions only. This value of this parameter can also be a
@@ -620,7 +521,7 @@ serviceApp <- function() {
 #' }
 #' @export
 runApp <- function(appDir=getwd(),
-                   port=NULL,
+                   port=getOption('shiny.port'),
                    launch.browser=getOption('shiny.launch.browser',
                                             interactive()),
                    host=getOption('shiny.host', '127.0.0.1'),
@@ -646,7 +547,7 @@ runApp <- function(appDir=getwd(),
     # SHINY_SERVER_VERSION, those will return "" which is considered less than
     # any valid version.
     ver <- Sys.getenv('SHINY_SERVER_VERSION')
-    if (compareVersion(ver, .shinyServerMinVersion) < 0) {
+    if (utils::compareVersion(ver, .shinyServerMinVersion) < 0) {
       warning('Shiny Server v', .shinyServerMinVersion,
               ' or later is required; please upgrade!')
     }
@@ -715,10 +616,12 @@ runApp <- function(appDir=getwd(),
   }
 
   appParts <- as.shiny.appobj(appDir)
-  if (!is.null(appParts$onStart))
-    appParts$onStart()
+  # Set up the onEnd before we call onStart, so that it gets called even if an
+  # error happens in onStart.
   if (!is.null(appParts$onEnd))
     on.exit(appParts$onEnd(), add = TRUE)
+  if (!is.null(appParts$onStart))
+    appParts$onStart()
 
   server <- startApp(appParts, port, host, quiet)
 

R/shiny.R

@@ -18,7 +18,14 @@ NULL
 #' @aliases shiny
 #' @docType package
 #' @import htmltools httpuv xtable digest R6 mime
-#' @importFrom RJSONIO fromJSON
+NULL
+
+# It's necessary to Depend on methods so Rscript doesn't fail. It's necessary
+# to import(methods) in NAMESPACE so R CMD check doesn't complain. This
+# approach isn't foolproof because Rscript -e pkgname::func() doesn't actually
+# cause methods to be attached, but it's not a problem for shiny::runApp()
+# since we call require(shiny) as part of loading the app.
+#' @import methods
 NULL
 
 
@@ -30,6 +37,8 @@ NULL
 #' \describe{
 #'   \item{shiny.launch.browser}{A boolean which controls the default behavior
 #'     when an app is run. See \code{\link{runApp}} for more information.}
+#'   \item{shiny.port}{A port number that Shiny will listen on. See
+#'     \code{\link{runApp}} for more information.}
 #'   \item{shiny.trace}{If \code{TRUE}, all of the messages sent between the R
 #'     server and the web browser client will be printed on the console. This
 #'     is useful for debugging.}
@@ -52,6 +61,10 @@ NULL
 #'     \code{\link{runApp}} for more information.}
 #'   \item{shiny.json.digits}{The number of digits to use when converting
 #'     numbers to JSON format to send to the client web browser.}
+#'   \item{shiny.minified}{If this is \code{TRUE} or unset (the default), then
+#'     Shiny will use minified JavaScript (\code{shiny.min.js}). If
+#'     \code{FALSE}, then Shiny will use the un-minified JavaScript
+#'     (\code{shiny.js}); this can be useful during development.}
 #'   \item{shiny.error}{This can be a function which is called when an error
 #'     occurs. For example, \code{options(shiny.error=recover)} will result a
 #'     the debugger prompt when an error occurs.}
@@ -79,8 +92,16 @@ createUniqueId <- function(bytes, prefix = "", suffix = "") {
   })
 }
 
-toJSON <- function(x, ..., digits = getOption("shiny.json.digits", 16)) {
-  RJSONIO::toJSON(x, digits = digits, ...)
+toJSON <- function(x, ...,  dataframe = "columns", null = "null", na = "null",
+  auto_unbox = TRUE, digits = getOption("shiny.json.digits", 16),
+  use_signif = TRUE, force = TRUE, POSIXt = "ISO8601", UTC = TRUE,
+  rownames = FALSE, keep_vec_names = TRUE) {
+
+  # I(x) is so that length-1 atomic vectors get put in [].
+  jsonlite::toJSON(I(x), dataframe = dataframe, null = null, na = na,
+   auto_unbox = auto_unbox, digits = digits, use_signif = use_signif,
+   force = force, POSIXt = POSIXt, UTC = UTC, rownames = rownames,
+   keep_vec_names = keep_vec_names, json_verbatim = TRUE, ...)
 }
 
 # Call the workerId func with no args to get the worker id, and with an arg to
@@ -199,7 +220,7 @@ workerId <- local({
 #' \item{sendCustomMessage(type, message)}{
 #'   Sends a custom message to the web page. \code{type} must be a
 #'   single-element character vector giving the type of message, while
-#'   \code{message} can be any RJSONIO-encodable value. Custom messages
+#'   \code{message} can be any jsonlite-encodable value. Custom messages
 #'   have no meaning to Shiny itself; they are used soley to convey information
 #'   to custom JavaScript logic in the browser. You can do this by adding
 #'   JavaScript code to the browser that calls
@@ -224,23 +245,85 @@ NULL
 #' @include utils.R
 ShinySession <- R6Class(
   'ShinySession',
-  portable = FALSE,
-  class = FALSE,
-  public = list(
-    .websocket = 'ANY',
-    .invalidatedOutputValues = 'Map',
-    .invalidatedOutputErrors = 'Map',
-    .inputMessageQueue = list(),    # A list of inputMessages to send when flushed
-    .outputs = list(),       # Keeps track of all the output observer objects
-    .outputOptions = list(), # Options for each of the output observer objects
-    .progressKeys = 'character',
-    .showcase   = 'ANY',
-    .fileUploadContext = 'FileUploadContext',
+  private = list(
+    # There are some private items with a leading "."; except for the dot, these
+    # items share a name with a public item.
+    websocket = 'ANY',
+    invalidatedOutputValues = 'Map',
+    invalidatedOutputErrors = 'Map',
+    inputMessageQueue = list(), # A list of inputMessages to send when flushed
+    .outputs = list(),          # Keeps track of all the output observer objects
+    .outputOptions = list(),     # Options for each of the output observer objects
+    progressKeys = 'character',
+    showcase   = 'ANY',
+    fileUploadContext = 'FileUploadContext',
     .input      = 'ANY', # Internal ReactiveValues object for normal input sent from client
     .clientData = 'ANY', # Internal ReactiveValues object for other data sent from the client
-    .closedCallbacks = 'Callbacks',
-    .flushCallbacks = 'Callbacks',
-    .flushedCallbacks = 'Callbacks',
+    closedCallbacks = 'Callbacks',
+    flushCallbacks = 'Callbacks',
+    flushedCallbacks = 'Callbacks',
+    inputReceivedCallbacks = 'Callbacks',
+    sendResponse = function(requestMsg, value) {
+      if (is.null(requestMsg$tag)) {
+        warning("Tried to send response for untagged message; method: ",
+                requestMsg$method)
+        return()
+      }
+      private$write(toJSON(list(response=list(tag=requestMsg$tag, value=value))))
+    },
+    sendErrorResponse = function(requestMsg, error) {
+      if (is.null(requestMsg$tag))
+        return()
+      private$write(toJSON(list(response=list(tag=requestMsg$tag, error=error))))
+    },
+    write = function(json) {
+      if (self$closed){
+        return()
+      }
+      if (isTRUE(getOption('shiny.trace')))
+        message('SEND ',
+           gsub('(?m)base64,[a-zA-Z0-9+/=]+','[base64 data]',json,perl=TRUE))
+      # first convert to native encoding, then to UTF8, otherwise we may get the
+      # error in Chrome "WebSocket connection failed: Could not decode a text
+      # frame as UTF-8"
+      json <- enc2utf8(enc2native(json))
+      private$websocket$send(json)
+    },
+    getOutputOption = function(outputName, propertyName, defaultValue) {
+      opts <- private$.outputOptions[[outputName]]
+      if (is.null(opts))
+        return(defaultValue)
+      result <- opts[[propertyName]]
+      if (is.null(result))
+        return(defaultValue)
+      return(result)
+    },
+    shouldSuspend = function(name) {
+      # Find corresponding hidden state clientData variable, with the format
+      # "output_foo_hidden". (It comes from .clientdata_output_foo_hidden
+      # on the JS side)
+      # Some tricky stuff: instead of accessing names using input$names(),
+      # get the names directly via input$.values, to avoid triggering reactivity.
+      # Need to handle cases where the output object isn't actually used
+      # in the web page; in these cases, there's no output_foo_hidden flag,
+      # and hidden should be TRUE. In other words, NULL and TRUE should map to
+      # TRUE, FALSE should map to FALSE.
+      hidden <- private$.clientData$.values[[paste("output_", name, "_hidden",
+                                           sep="")]]
+      if (is.null(hidden)) hidden <- TRUE
+
+      return(hidden && private$getOutputOption(name, 'suspendWhenHidden', TRUE))
+    },
+
+    registerSessionEndCallbacks = function() {
+      # This is to be called from the initialization. It registers functions
+      # that are called when a session ends.
+
+      # Clear file upload directories, if present
+      self$onSessionEnded(private$fileUploadContext$rmUploadDirs)
+    }
+  ),
+  public = list(
     progressStack = 'Stack', # Stack of progress objects
     input       = 'reactivevalues', # Externally-usable S3 wrapper object for .input
     output      = 'ANY',    # Externally-usable S3 wrapper object for .outputs
@@ -249,72 +332,58 @@ ShinySession <- R6Class(
     files = 'Map',        # For keeping track of files sent to client
     downloads = 'Map',
     closed = logical(0),
-    session = 'environment',      # Object for the server app to access session stuff
+    request = 'ANY',      # Websocket request object
     singletons = character(0),  # Tracks singleton HTML fragments sent to the page
+    user = NULL,
+    groups = NULL,
 
     initialize = function(websocket) {
-      .websocket <<- websocket
-      closed <<- FALSE
+      private$websocket <- websocket
+      self$closed <- FALSE
       # TODO: Put file upload context in user/app-specific dir if possible
 
-      .invalidatedOutputValues <<- Map$new()
-      .invalidatedOutputErrors <<- Map$new()
-      .fileUploadContext <<- FileUploadContext$new()
-      .closedCallbacks <<- Callbacks$new()
-      .flushCallbacks <<- Callbacks$new()
-      .flushedCallbacks <<- Callbacks$new()
-      .input      <<- ReactiveValues$new()
-      .clientData <<- ReactiveValues$new()
-      progressStack <<- Stack$new()
-      files <<- Map$new()
-      downloads <<- Map$new()
+      private$invalidatedOutputValues <- Map$new()
+      private$invalidatedOutputErrors <- Map$new()
+      private$fileUploadContext <- FileUploadContext$new()
+      private$closedCallbacks <- Callbacks$new()
+      private$flushCallbacks <- Callbacks$new()
+      private$flushedCallbacks <- Callbacks$new()
+      private$inputReceivedCallbacks <- Callbacks$new()
+      private$.input      <- ReactiveValues$new()
+      private$.clientData <- ReactiveValues$new()
+      self$progressStack <- Stack$new()
+      self$files <- Map$new()
+      self$downloads <- Map$new()
 
-      input      <<- .createReactiveValues(.input,      readonly=TRUE)
-      .setLabel(input, 'input')
-      clientData <<- .createReactiveValues(.clientData, readonly=TRUE)
-      .setLabel(clientData, 'clientData')
+      self$input <- .createReactiveValues(private$.input, readonly=TRUE)
+      .setLabel(self$input, 'input')
+      self$clientData <- .createReactiveValues(private$.clientData, readonly=TRUE)
+      .setLabel(self$clientData, 'clientData')
 
-      output     <<- .createOutputWriter(self)
+      self$output <- .createOutputWriter(self)
 
-      token <<- createUniqueId(16)
-      .outputs <<- list()
-      .outputOptions <<- list()
+      self$token <- createUniqueId(16)
+      private$.outputs <- list()
+      private$.outputOptions <- list()
 
-      session <<- new.env(parent=emptyenv())
-      session$clientData        <<- clientData
-      session$sendCustomMessage <<- self$.sendCustomMessage
-      session$sendInputMessage  <<- self$.sendInputMessage
-      session$unhandledError    <<- self$unhandledError
-      session$close             <<- self$close
-      session$onSessionEnded    <<- self$onSessionEnded
-      session$onEnded           <<- self$onEnded
-      session$onFlush           <<- self$onFlush
-      session$onFlushed         <<- self$onFlushed
-      session$isClosed          <<- self$isClosed
-      session$input             <<- self$input
-      session$output            <<- self$output
-      session$reactlog          <<- self$reactlog
-      session$registerDataObj   <<- self$registerDataObj
-      session$progressStack     <<- self$progressStack
-      session$sendProgress      <<- self$sendProgress
-      session$.impl             <<- self
+      private$registerSessionEndCallbacks()
 
       if (!is.null(websocket$request$HTTP_SHINY_SERVER_CREDENTIALS)) {
         try({
-          creds <- fromJSON(websocket$request$HTTP_SHINY_SERVER_CREDENTIALS)
-          session$user <<- creds$user
-          session$groups <<- creds$groups
+          creds <- jsonlite::fromJSON(websocket$request$HTTP_SHINY_SERVER_CREDENTIALS)
+          self$user <- creds$user
+          self$groups <- creds$groups
         }, silent=FALSE)
       }
 
       # session$request should throw an error if httpuv doesn't have
       # websocket$request, but don't throw it until a caller actually
       # tries to access session$request
-      delayedAssign('request', websocket$request, assign.env = session)
+      delayedAssign('request', websocket$request, assign.env = self)
 
-      .write(toJSON(list(config = list(
+      private$write(toJSON(list(config = list(
         workerId = workerId(),
-        sessionId = token
+        sessionId = self$token
       ))))
     },
     onSessionEnded = function(callback) {
@@ -322,26 +391,31 @@ ShinySession <- R6Class(
       (i.e. the connection to the client has been severed). The return value
       is a function which unregisters the callback. If multiple callbacks are
       registered, the order in which they are invoked is not guaranteed."
-      return(.closedCallbacks$register(callback))
+      return(private$closedCallbacks$register(callback))
     },
     onEnded = function(callback) {
       "Synonym for onSessionEnded"
-      return(onSessionEnded(callback))
+      return(self$onSessionEnded(callback))
+    },
+    onInputReceived = function(callback) {
+      "Registers the given callback to be invoked when the session receives
+      new data from the client."
+      return(private$inputReceivedCallbacks$register(callback))
     },
     unhandledError = function(e) {
-      close()
+      self$close()
     },
     close = function() {
-      if (!closed) {
-        .websocket$close()
+      if (!self$closed) {
+        private$websocket$close()
       }
     },
     wsClosed = function() {
-      closed <<- TRUE
-      for (output in .outputs) {
+      self$closed <- TRUE
+      for (output in private$.outputs) {
         output$suspend()
       }
-      .closedCallbacks$invoke(onError=function(e) {
+      private$closedCallbacks$invoke(onError=function(e) {
         warning(simpleWarning(
           paste("An error occurred in an onSessionEnded handler:",
                 e$message),
@@ -355,13 +429,13 @@ ShinySession <- R6Class(
       })
     },
     isClosed = function() {
-      return(closed)
+      return(self$closed)
     },
     isEnded = function() {
-      return(isClosed())
+      return(self$isClosed())
     },
     setShowcase = function(value) {
-      .showcase <<- !is.null(value) && as.logical(value)
+      private$showcase <- !is.null(value) && as.logical(value)
     },
     defineOutput = function(name, func, label) {
       "Binds an output generating function to this name. The function can either
@@ -374,8 +448,8 @@ ShinySession <- R6Class(
       force(name)
 
       # If overwriting an output object, suspend the previous copy of it
-      if (!is.null(.outputs[[name]])) {
-        .outputs[[name]]$suspend()
+      if (!is.null(private$.outputs[[name]])) {
+        private$.outputs[[name]]$suspend()
       }
 
       if (is.function(func)) {
@@ -416,29 +490,29 @@ ShinySession <- R6Class(
             silent=FALSE
           )
 
-          .invalidatedOutputErrors$remove(name)
-          .invalidatedOutputValues$remove(name)
+          private$invalidatedOutputErrors$remove(name)
+          private$invalidatedOutputValues$remove(name)
 
           if (inherits(value, 'try-error')) {
             cond <- attr(value, 'condition')
             type <- setdiff(class(cond), c('simpleError', 'error', 'condition'))
-            .invalidatedOutputErrors$set(
+            private$invalidatedOutputErrors$set(
               name,
               list(message = cond$message,
-                   call = capture.output(print(cond$call)),
+                   call = utils::capture.output(print(cond$call)),
                    type = if (length(type)) type))
           }
           else
-            .invalidatedOutputValues$set(name, value)
-        }, suspended=.shouldSuspend(name), label=label)
+            private$invalidatedOutputValues$set(name, value)
+        }, suspended=private$shouldSuspend(name), label=label)
 
         obs$onInvalidate(function() {
-          showProgress(name)
+          self$showProgress(name)
         })
 
-        .outputs[[name]] <<- obs
-        if (is.null(.outputOptions[[name]]))
-          .outputOptions[[name]] <<- list()
+        private$.outputs[[name]] <- obs
+        if (is.null(private$.outputOptions[[name]]))
+          private$.outputOptions[[name]] <- list()
       }
       else {
         stop(paste("Unexpected", class(func), "output for", name))
@@ -446,30 +520,30 @@ ShinySession <- R6Class(
     },
     flushOutput = function() {
 
-      .flushCallbacks$invoke()
-      on.exit(.flushedCallbacks$invoke())
+      private$flushCallbacks$invoke()
+      on.exit(private$flushedCallbacks$invoke())
 
-      if (length(.progressKeys) == 0
-          && length(.invalidatedOutputValues) == 0
-          && length(.invalidatedOutputErrors) == 0
-          && length(.inputMessageQueue) == 0) {
+      if (length(private$progressKeys) == 0
+          && length(private$invalidatedOutputValues) == 0
+          && length(private$invalidatedOutputErrors) == 0
+          && length(private$inputMessageQueue) == 0) {
         return(invisible())
       }
 
-      .progressKeys <<- character(0)
+      private$progressKeys <- character(0)
 
-      values <- .invalidatedOutputValues
-      .invalidatedOutputValues <<- Map$new()
-      errors <- .invalidatedOutputErrors
-      .invalidatedOutputErrors <<- Map$new()
-      inputMessages <- .inputMessageQueue
-      .inputMessageQueue <<- list()
+      values <- private$invalidatedOutputValues
+      private$invalidatedOutputValues <- Map$new()
+      errors <- private$invalidatedOutputErrors
+      private$invalidatedOutputErrors <- Map$new()
+      inputMessages <- private$inputMessageQueue
+      private$inputMessageQueue <- list()
 
       json <- toJSON(list(errors=as.list(errors),
                           values=as.list(values),
                           inputMessages=inputMessages))
 
-      .write(json)
+      private$write(json)
     },
     showProgress = function(id) {
       'Send a message to the client that recalculation of the output identified
@@ -479,21 +553,21 @@ ShinySession <- R6Class(
 
       # If app is already closed, be sure not to show progress, otherwise we
       # will get an error because of the closed websocket
-      if (closed)
+      if (self$closed)
         return()
 
-      if (id %in% .progressKeys)
+      if (id %in% private$progressKeys)
         return()
 
-      .progressKeys <<- c(.progressKeys, id)
+      private$progressKeys <- c(private$progressKeys, id)
 
-      sendProgress('binding', list(id = id))
+      self$sendProgress('binding', list(id = id))
     },
     sendProgress = function(type, message) {
       json <- toJSON(list(
         progress = list(type = type, message = message)
       ))
-      .write(json)
+      private$write(json)
     },
     dispatch = function(msg) {
       method <- paste('@', msg$method, sep='')
@@ -501,47 +575,34 @@ ShinySession <- R6Class(
       # https://github.com/rstudio/shiny/issues/274
       func <- try(do.call(`$`, list(self, method)), silent=TRUE)
       if (inherits(func, 'try-error')) {
-        .sendErrorResponse(msg, paste('Unknown method', msg$method))
+        private$sendErrorResponse(msg, paste('Unknown method', msg$method))
       }
 
       value <- try(do.call(func, as.list(append(msg$args, msg$blobs))),
                    silent=TRUE)
       if (inherits(value, 'try-error')) {
-        .sendErrorResponse(msg, conditionMessage(attr(value, 'condition')))
+        private$sendErrorResponse(msg, conditionMessage(attr(value, 'condition')))
       }
       else {
-        .sendResponse(msg, value)
+        private$sendResponse(msg, value)
       }
     },
-    .sendResponse = function(requestMsg, value) {
-      if (is.null(requestMsg$tag)) {
-        warning("Tried to send response for untagged message; method: ",
-                requestMsg$method)
-        return()
-      }
-      .write(toJSON(list(response=list(tag=requestMsg$tag, value=value))))
-    },
-    .sendErrorResponse = function(requestMsg, error) {
-      if (is.null(requestMsg$tag))
-        return()
-      .write(toJSON(list(response=list(tag=requestMsg$tag, error=error))))
-    },
-    .sendCustomMessage = function(type, message) {
+    sendCustomMessage = function(type, message) {
       data <- list()
       data[[type]] <- message
-      .write(toJSON(list(custom=data)))
+      private$write(toJSON(list(custom=data)))
     },
-    .sendInputMessage = function(inputId, message) {
+    sendInputMessage = function(inputId, message) {
       data <- list(id = inputId, message = message)
 
       # Add to input message queue
-      .inputMessageQueue[[length(.inputMessageQueue) + 1]] <<- data
+      private$inputMessageQueue[[length(private$inputMessageQueue) + 1]] <- data
     },
     onFlush = function(func, once = TRUE) {
       if (!isTRUE(once)) {
-        return(.flushCallbacks$register(func))
+        return(private$flushCallbacks$register(func))
       } else {
-        dereg <- .flushCallbacks$register(function() {
+        dereg <- private$flushCallbacks$register(function() {
           dereg()
           func()
         })
@@ -550,9 +611,9 @@ ShinySession <- R6Class(
     },
     onFlushed = function(func, once = TRUE) {
       if (!isTRUE(once)) {
-        return(.flushedCallbacks$register(func))
+        return(private$flushedCallbacks$register(func))
       } else {
-        dereg <- .flushedCallbacks$register(function() {
+        dereg <- private$flushedCallbacks$register(function() {
           dereg()
           func()
         })
@@ -560,21 +621,8 @@ ShinySession <- R6Class(
       }
     },
     reactlog = function(logEntry) {
-      if (.showcase)
-        .sendCustomMessage("reactlog", logEntry)
-    },
-    .write = function(json) {
-      if (closed){
-        return()
-      }
-      if (isTRUE(getOption('shiny.trace')))
-        message('SEND ',
-           gsub('(?m)base64,[a-zA-Z0-9+/=]+','[base64 data]',json,perl=TRUE))
-      # first convert to native encoding, then to UTF8, otherwise we may get the
-      # error in Chrome "WebSocket connection failed: Could not decode a text
-      # frame as UTF-8"
-      json <- enc2utf8(enc2native(json))
-      .websocket$send(json)
+      if (private$showcase)
+        self$sendCustomMessage("reactlog", logEntry)
     },
 
     # Public RPC methods
@@ -585,7 +633,7 @@ ShinySession <- R6Class(
       maxSize <- getOption('shiny.maxRequestSize', 5 * 1024 * 1024)
       fileInfos <- lapply(fileInfos, function(fi) {
         if (is.null(fi$type))
-          fi$type <- getContentType(tools::file_ext(fi$name))
+          fi$type <- getContentType(fi$name)
         fi
       })
       sizes <- sapply(fileInfos, function(fi){ fi$size })
@@ -593,15 +641,15 @@ ShinySession <- R6Class(
         stop("Maximum upload size exceeded")
       }
 
-      jobId <- .fileUploadContext$createUploadOperation(fileInfos)
+      jobId <- private$fileUploadContext$createUploadOperation(fileInfos)
       return(list(jobId=jobId,
-                  uploadUrl=paste('session', token, 'upload',
+                  uploadUrl=paste('session', self$token, 'upload',
                                   paste(jobId, "?w=", workerId(), sep=""),
                                   sep='/')))
     },
     `@uploadEnd` = function(jobId, inputId) {
-      fileData <- .fileUploadContext$getUploadOperation(jobId)$finish()
-      .input$set(inputId, fileData)
+      fileData <- private$fileUploadContext$getUploadOperation(jobId)$finish()
+      private$.input$set(inputId, fileData)
       invisible()
     },
     # Provides a mechanism for handling direct HTTP requests that are posted
@@ -618,7 +666,7 @@ ShinySession <- R6Class(
         return(httpResponse(400, 'text/html', '<h1>Bad Request</h1>'))
 
       if (matches[2] == 'file') {
-        savedFile <- files$get(URLdecode(matches[3]))
+        savedFile <- self$files$get(URLdecode(matches[3]))
         if (is.null(savedFile))
           return(httpResponse(404, 'text/html', '<h1>Not Found</h1>'))
 
@@ -626,7 +674,7 @@ ShinySession <- R6Class(
       }
 
       if (matches[2] == 'upload' && identical(req$REQUEST_METHOD, "POST")) {
-        job <- .fileUploadContext$getUploadOperation(matches[3])
+        job <- private$fileUploadContext$getUploadOperation(matches[3])
         if (!is.null(job)) {
           fileName <- req$HTTP_SHINY_FILE_NAME
           fileType <- req$HTTP_SHINY_FILE_TYPE
@@ -646,7 +694,7 @@ ShinySession <- R6Class(
       if (matches[2] == 'uploadie' && identical(req$REQUEST_METHOD, "POST")) {
         id <- URLdecode(matches[3])
         res <- mime::parse_multipart(req)
-        .input$set(id, res[[id]])
+        private$.input$set(id, res[[id]])
         return(httpResponse(200, 'text/plain', 'OK'))
       }
 
@@ -674,7 +722,7 @@ ShinySession <- R6Class(
                                 regexec("^([^/]+)(/[^/]+)?$",
                                         matches[3]))[[1]]
         dlname <- URLdecode(dlmatches[2])
-        download <- downloads$get(dlname)
+        download <- self$downloads$get(dlname)
         if (is.null(download))
           return(httpResponse(404, 'text/html', '<h1>Not Found</h1>'))
 
@@ -710,12 +758,12 @@ ShinySession <- R6Class(
         ))
         if (inherits(result, 'try-error')) {
           unlink(tmpdata)
-          return(httpResponse(500, 'text/plain',
-                              attr(result, 'condition')$message))
+          return(httpResponse(500, 'text/plain; charset=UTF-8',
+                              enc2utf8(attr(result, 'condition')$message)))
         }
         return(httpResponse(
           200,
-          download$contentType %OR% getContentType(tools::file_ext(filename)),
+          download$contentType %OR% getContentType(filename),
           # owned=TRUE means tmpdata will be deleted after response completes
           list(file=tmpdata, owned=TRUE),
           c(
@@ -735,7 +783,7 @@ ShinySession <- R6Class(
                                 regexec("^([^/]+)(/[^/]+)?$",
                                         matches[3]))[[1]]
         dlname <- URLdecode(dlmatches[2])
-        download <- downloads$get(dlname)
+        download <- self$downloads$get(dlname)
         return(download$filter(download$data, req))
       }
 
@@ -744,9 +792,9 @@ ShinySession <- R6Class(
     saveFileUrl = function(name, data, contentType, extra=list()) {
       "Creates an entry in the file map for the data, and returns a URL pointing
       to the file."
-      files$set(name, list(data=data, contentType=contentType))
+      self$files$set(name, list(data=data, contentType=contentType))
       return(sprintf('session/%s/file/%s?w=%s&r=%s',
-                     URLencode(token, TRUE),
+                     URLencode(self$token, TRUE),
                      URLencode(name, TRUE),
                      workerId(),
                      createUniqueId(8)))
@@ -762,96 +810,74 @@ ShinySession <- R6Class(
 
       fileData <- readBin(file, 'raw', n=bytes)
 
-      if (isTRUE(.clientData$.values$allowDataUriScheme)) {
+      if (isTRUE(private$.clientData$.values$allowDataUriScheme)) {
         b64 <- rawToBase64(fileData)
         return(paste('data:', contentType, ';base64,', b64, sep=''))
       } else {
-        return(saveFileUrl(name, fileData, contentType))
+        return(self$saveFileUrl(name, fileData, contentType))
       }
     },
     registerDownload = function(name, filename, contentType, func) {
 
-      downloads$set(name, list(filename = filename,
+      self$downloads$set(name, list(filename = filename,
                                contentType = contentType,
                                func = func))
       return(sprintf('session/%s/download/%s?w=%s',
-                     URLencode(token, TRUE),
+                     URLencode(self$token, TRUE),
                      URLencode(name, TRUE),
                      workerId()))
     },
     # register a data object on the server side (for datatable or selectize, etc)
     registerDataObj = function(name, data, filterFunc) {
       # abusing downloads at the moment
-      downloads$set(name, list(data = data, filter = filterFunc))
+      self$downloads$set(name, list(data = data, filter = filterFunc))
       return(sprintf('session/%s/dataobj/%s?w=%s',
-                     URLencode(token, TRUE),
+                     URLencode(self$token, TRUE),
                      URLencode(name, TRUE),
                      workerId()))
     },
-    .getOutputOption = function(outputName, propertyName, defaultValue) {
-      opts <- .outputOptions[[outputName]]
-      if (is.null(opts))
-        return(defaultValue)
-      result <- opts[[propertyName]]
-      if (is.null(result))
-        return(defaultValue)
-      return(result)
-    },
-    .shouldSuspend = function(name) {
-      # Find corresponding hidden state clientData variable, with the format
-      # "output_foo_hidden". (It comes from .clientdata_output_foo_hidden
-      # on the JS side)
-      # Some tricky stuff: instead of accessing names using input$names(),
-      # get the names directly via input$.values, to avoid triggering reactivity.
-      # Need to handle cases where the output object isn't actually used
-      # in the web page; in these cases, there's no output_foo_hidden flag,
-      # and hidden should be TRUE. In other words, NULL and TRUE should map to
-      # TRUE, FALSE should map to FALSE.
-      hidden <- .clientData$.values[[paste("output_", name, "_hidden",
-                                           sep="")]]
-      if (is.null(hidden)) hidden <- TRUE
-
-      return(hidden && .getOutputOption(name, 'suspendWhenHidden', TRUE))
-    },
     # This function suspends observers for hidden outputs and resumes observers
     # for un-hidden outputs.
     manageHiddenOutputs = function() {
       # Find hidden state for each output, and suspend/resume accordingly
-      for (outputName in names(.outputs)) {
-        if (.shouldSuspend(outputName)) {
-          .outputs[[outputName]]$suspend()
+      for (outputName in names(private$.outputs)) {
+        if (private$shouldSuspend(outputName)) {
+          private$.outputs[[outputName]]$suspend()
         } else {
-          .outputs[[outputName]]$resume()
+          private$.outputs[[outputName]]$resume()
         }
       }
     },
     # Set the normal and client data input variables
     manageInputs = function(data) {
+
+      private$inputReceivedCallbacks$invoke(data)
+
       data_names <- names(data)
 
       # Separate normal input variables from client data input variables
       clientdata_idx <- grepl("^.clientdata_", data_names)
 
       # Set normal (non-clientData) input values
-      .input$mset(data[data_names[!clientdata_idx]])
+      private$.input$mset(data[data_names[!clientdata_idx]])
 
       # Strip off .clientdata_ from clientdata input names, and set values
       input_clientdata <- data[data_names[clientdata_idx]]
       names(input_clientdata) <- sub("^.clientdata_", "",
                                      names(input_clientdata))
-      .clientData$mset(input_clientdata)
+      private$.clientData$mset(input_clientdata)
     },
     outputOptions = function(name, ...) {
       # If no name supplied, return the list of options for all outputs
       if (is.null(name))
-        return(.outputOptions)
-      if (! name %in% names(.outputs))
+        return(private$.outputOptions)
+      if (! name %in% names(private$.outputs))
         stop(name, " is not in list of output objects")
 
       opts <- list(...)
       # If no options are set, return the options for the specified output
       if (length(opts) == 0)
-        return(.outputOptions[[name]])
+        return(private$.outputOptions[[name]])
 
       # Set the appropriate option
       validOpts <- c("suspendWhenHidden", "priority")
@@ -859,20 +885,30 @@ ShinySession <- R6Class(
         if (! optname %in% validOpts)
           stop(optname, " is not a valid option")
 
-        .outputOptions[[name]][[optname]] <<- opts[[optname]]
+        private$.outputOptions[[name]][[optname]] <- opts[[optname]]
       }
 
       # If any changes to suspendWhenHidden, need to re-run manageHiddenOutputs
       if ("suspendWhenHidden" %in% names(opts)) {
-        manageHiddenOutputs()
+        self$manageHiddenOutputs()
       }
 
       if ("priority" %in% names(opts)) {
-        .outputs[[name]]$setPriority(opts[['priority']])
+        private$.outputs[[name]]$setPriority(opts[['priority']])
       }
 
       invisible()
     }
+  ),
+  active = list(
+    session = function() {
+      shinyDeprecated(
+        msg = paste("Attempted to access deprecated shinysession$session object.",
+                    "Please just access the shinysession object directly."),
+        version = "0.11.1"
+      )
+      self
+    }
   )
 )
 

R/shinyui.R

@@ -39,8 +39,9 @@ renderPage <- function(ui, connection, showcase=0) {
     list(
       htmlDependency("json2", "2014.02.04", c(href="shared"), script = "json2-min.js"),
       htmlDependency("jquery", "1.11.0", c(href="shared"), script = "jquery.min.js"),
-      htmlDependency("shiny", packageVersion("shiny"), c(href="shared"),
-        script = "shiny.min.js", stylesheet = "shiny.css")
+      htmlDependency("shiny", utils::packageVersion("shiny"), c(href="shared"),
+        script = if (getOption("shiny.minified", TRUE)) "shiny.min.js" else "shiny.js",
+        stylesheet = "shiny.css")
     ),
     result$dependencies
   )

R/shinywrappers.R

@@ -38,141 +38,6 @@ as.tags.shiny.render.function <- function(x, ..., inline = FALSE) {
   useRenderFunction(x, inline = inline)
 }
 
-#' Plot Output
-#'
-#' Renders a reactive plot that is suitable for assigning to an \code{output}
-#' slot.
-#'
-#' The corresponding HTML output tag should be \code{div} or \code{img} and have
-#' the CSS class name \code{shiny-plot-output}.
-#'
-#' @seealso For more details on how the plots are generated, and how to control
-#'   the output, see \code{\link{plotPNG}}.
-#'
-#' @param expr An expression that generates a plot.
-#' @param width,height The width/height of the rendered plot, in pixels; or
-#'   \code{'auto'} to use the \code{offsetWidth}/\code{offsetHeight} of the HTML
-#'   element that is bound to this plot. You can also pass in a function that
-#'   returns the width/height in pixels or \code{'auto'}; in the body of the
-#'   function you may reference reactive values and functions. When rendering an
-#'   inline plot, you must provide numeric values (in pixels) to both
-#'   \code{width} and \code{height}.
-#' @param res Resolution of resulting plot, in pixels per inch. This value is
-#'   passed to \code{\link{png}}. Note that this affects the resolution of PNG
-#'   rendering in R; it won't change the actual ppi of the browser.
-#' @param ... Arguments to be passed through to \code{\link[grDevices]{png}}.
-#'   These can be used to set the width, height, background color, etc.
-#' @param env The environment in which to evaluate \code{expr}.
-#' @param quoted Is \code{expr} a quoted expression (with \code{quote()})? This
-#'   is useful if you want to save an expression in a variable.
-#' @param func A function that generates a plot (deprecated; use \code{expr}
-#'   instead).
-#'
-#' @export
-renderPlot <- function(expr, width='auto', height='auto', res=72, ...,
-                       env=parent.frame(), quoted=FALSE, func=NULL) {
-  if (!is.null(func)) {
-    shinyDeprecated(msg="renderPlot: argument 'func' is deprecated. Please use 'expr' instead.")
-  } else {
-    installExprFunction(expr, "func", env, quoted)
-  }
-
-  args <- list(...)
-
-  if (is.function(width))
-    widthWrapper <- reactive({ width() })
-  else
-    widthWrapper <- NULL
-
-  if (is.function(height))
-    heightWrapper <- reactive({ height() })
-  else
-    heightWrapper <- NULL
-
-  # If renderPlot isn't going to adapt to the height of the div, then the
-  # div needs to adapt to the height of renderPlot. By default, plotOutput
-  # sets the height to 400px, so to make it adapt we need to override it
-  # with NULL.
-  outputFunc <- plotOutput
-  if (!identical(height, 'auto')) formals(outputFunc)['height'] <- list(NULL)
-
-  return(markRenderFunction(outputFunc, function(shinysession, name, ...) {
-    if (!is.null(widthWrapper))
-      width <- widthWrapper()
-    if (!is.null(heightWrapper))
-      height <- heightWrapper()
-
-    # Note that these are reactive calls. A change to the width and height
-    # will inherently cause a reactive plot to redraw (unless width and
-    # height were explicitly specified).
-    prefix <- 'output_'
-    if (width == 'auto')
-      width <- shinysession$clientData[[paste(prefix, name, '_width', sep='')]];
-    if (height == 'auto')
-      height <- shinysession$clientData[[paste(prefix, name, '_height', sep='')]];
-
-    if (is.null(width) || is.null(height) || width <= 0 || height <= 0)
-      return(NULL)
-
-    # Resolution multiplier
-    pixelratio <- shinysession$clientData$pixelratio
-    if (is.null(pixelratio))
-      pixelratio <- 1
-
-    coordmap <- NULL
-    plotFunc <- function() {
-      # Actually perform the plotting
-      result <- withVisible(func())
-      if (result$visible) {
-        # Use capture.output to squelch printing to the actual console; we
-        # are only interested in plot output
-        capture.output(print(result$value))
-      }
-
-      # Now capture some graphics device info before we close it
-      usrCoords <- par('usr')
-      usrBounds <- usrCoords
-      if (par('xlog')) {
-        usrBounds[c(1,2)] <- 10 ^ usrBounds[c(1,2)]
-      }
-      if (par('ylog')) {
-        usrBounds[c(3,4)] <- 10 ^ usrBounds[c(3,4)]
-      }
-
-      coordmap <<- list(
-        usr = c(
-          left = usrCoords[1],
-          right = usrCoords[2],
-          bottom = usrCoords[3],
-          top = usrCoords[4]
-        ),
-        # The bounds of the plot area, in DOM pixels
-        bounds = c(
-          left = grconvertX(usrBounds[1], 'user', 'nfc') * width,
-          right = grconvertX(usrBounds[2], 'user', 'nfc') * width,
-          bottom = (1-grconvertY(usrBounds[3], 'user', 'nfc')) * height,
-          top = (1-grconvertY(usrBounds[4], 'user', 'nfc')) * height
-        ),
-        log = c(
-          x = par('xlog'),
-          y = par('ylog')
-        ),
-        pixelratio = pixelratio
-      )
-    }
-
-    outfile <- do.call(plotPNG, c(plotFunc, width=width*pixelratio,
-                                  height=height*pixelratio, res=res*pixelratio, args))
-    on.exit(unlink(outfile))
-
-    # Return a list of attributes for the img
-    return(list(
-      src=shinysession$fileUrl(name, outfile, contentType='image/png'),
-      width=width, height=height, coordmap=coordmap
-    ))
-  }))
-}
-
 #' Image file output
 #'
 #' Renders a reactive image that is suitable for assigning to an \code{output}
@@ -274,11 +139,7 @@ renderImage <- function(expr, env=parent.frame(), quoted=FALSE,
     }
 
     # If contentType not specified, autodetect based on extension
-    if (is.null(imageinfo$contentType)) {
-      contentType <- getContentType(sub('^.*\\.', '', basename(imageinfo$src)))
-    } else {
-      contentType <- imageinfo$contentType
-    }
+    contentType <- imageinfo$contentType %OR% getContentType(imageinfo$src)
 
     # Extra values are everything in imageinfo except 'src' and 'contentType'
     extra_attr <- imageinfo[!names(imageinfo) %in% c('src', 'contentType')]
@@ -324,7 +185,7 @@ renderTable <- function(expr, ..., env=parent.frame(), quoted=FALSE, func=NULL)
       return("")
 
     return(paste(
-      capture.output(
+      utils::capture.output(
         print(xtable(data, ...),
               type='html',
               html.table.attributes=paste('class="',
@@ -377,7 +238,7 @@ renderPrint <- function(expr, env = parent.frame(), quoted = FALSE, func = NULL,
   markRenderFunction(verbatimTextOutput, function() {
     op <- options(width = width)
     on.exit(options(op), add = TRUE)
-    paste(capture.output(func()), collapse = "\n")
+    paste(utils::capture.output(func()), collapse = "\n")
   })
 }
 
@@ -417,7 +278,7 @@ renderText <- function(expr, env=parent.frame(), quoted=FALSE, func=NULL) {
 
   markRenderFunction(textOutput, function() {
     value <- func()
-    return(paste(capture.output(cat(value)), collapse="\n"))
+    return(paste(utils::capture.output(cat(value)), collapse="\n"))
   })
 }
 
@@ -555,9 +416,10 @@ downloadHandler <- function(filename, content, contentType=NA) {
 #' @note This function only provides the server-side version of DataTables
 #'   (using R to process the data object on the server side). There is a
 #'   separate package \pkg{DT} (\url{https://github.com/rstudio/DT}) that allows
-#'   you to create both server-side and client-side DataTables. We may deprecate
-#'   \code{renderDataTable()} and \code{dataTableOutput()} in the future when
-#'   the \pkg{DT} package is mature enough.
+#'   you to create both server-side and client-side DataTables, and supports
+#'   additional DataTables features. Consider using \code{DT::renderDataTable()}
+#'   and \code{DT::dataTableOutput()} (see
+#'   \url{http://rstudio.github.io/DT/shiny.html} for more information).
 #' @export
 #' @inheritParams renderPlot
 #' @examples
@@ -598,7 +460,7 @@ renderDataTable <- function(expr, options = NULL, searchDelay = 500,
     colnames <- colnames(data)
     # if escape is column names, turn names to numeric indices
     if (is.character(escape)) {
-      escape <- setNames(seq_len(ncol(data)), colnames)[escape]
+      escape <- stats::setNames(seq_len(ncol(data)), colnames)[escape]
       if (any(is.na(escape)))
         stop("Some column names in the 'escape' argument not found in data")
     }
@@ -619,8 +481,10 @@ renderDataTable <- function(expr, options = NULL, searchDelay = 500,
 # a data frame containing the DataTables 1.9 and 1.10 names
 DT10Names <- function() {
   rbind(
-    read.table(system.file('www/shared/datatables/upgrade1.10.txt', package = 'shiny'),
-               stringsAsFactors = FALSE),
+    utils::read.table(
+      system.file('www/shared/datatables/upgrade1.10.txt', package = 'shiny'),
+      stringsAsFactors = FALSE
+    ),
     c('aoColumns', 'Removed')  # looks like an omission on the upgrade guide
   )
 }
@@ -638,7 +502,7 @@ checkDT9 <- function(options) {
     'and DataTables 1.10.x uses different parameter names with 1.9.x. ',
     'Please follow the upgrade guide https://datatables.net/upgrade/1.10-convert',
     ' to change your DataTables parameter names:\n\n',
-    paste(formatUL(nms[i]), collapse = '\n'), '\n', sep = ''
+    paste(utils::formatUL(nms[i]), collapse = '\n'), '\n', sep = ''
   )
   j <- gsub('[.].*', '', DT10[, 1]) %in% nms
   # I cannot help you upgrade automatically in these cases, so I have to stop
@@ -647,7 +511,7 @@ checkDT9 <- function(options) {
   nms10 <- DT10[match(nms[i], DT10[, 1]), 2]
   if (any(nms10 == 'Removed')) stop(
     "These parameters have been removed in DataTables 1.10.x:\n\n",
-    paste(formatUL(nms[i][nms10 == 'Removed']), collapse = '\n'),
+    paste(utils::formatUL(nms[i][nms10 == 'Removed']), collapse = '\n'),
     "\n\n", msg
   )
   names(options)[i] <- nms10

R/slider.R

@@ -1,26 +0,0 @@
-hasDecimals <- function(value) {
-  truncatedValue <- round(value)
-  return (!identical(value, truncatedValue))
-}
-
-#' @rdname sliderInput
-#'
-#' @param interval The interval, in milliseconds, between each animation step.
-#' @param loop \code{TRUE} to automatically restart the animation when it
-#'   reaches the end.
-#' @param playButton Specifies the appearance of the play button. Valid values
-#'   are a one-element character vector (for a simple text label), an HTML tag
-#'   or list of tags (using \code{\link{tag}} and friends), or raw HTML (using
-#'   \code{\link{HTML}}).
-#' @param pauseButton Similar to \code{playButton}, but for the pause button.
-#'
-#' @export
-animationOptions <- function(interval=1000,
-                             loop=FALSE,
-                             playButton=NULL,
-                             pauseButton=NULL) {
-  list(interval=interval,
-       loop=loop,
-       playButton=playButton,
-       pauseButton=pauseButton)
-}

R/tar.R

@@ -46,7 +46,7 @@ untar2 <- function(tarfile, files = NULL, list = FALSE, exdir = ".")
     mydir.create <- function(path, ...) {
         ## for Windows' sake
         path <- sub("[\\/]$", "", path)
-        if(file_test("-d", path)) return()
+        if(utils::file_test("-d", path)) return()
         if(!dir.create(path, showWarnings = TRUE, recursive = TRUE, ...))
            stop(gettextf("failed to create directory %s", sQuote(path)),
                 domain = NA)

R/update-input.R

@@ -185,6 +185,13 @@ updateTabsetPanel <- function(session, inputId, selected = NULL) {
   session$sendInputMessage(inputId, message)
 }
 
+#' @rdname updateTabsetPanel
+#' @export
+updateNavbarPage <- updateTabsetPanel
+
+#' @rdname updateTabsetPanel
+#' @export
+updateNavlistPanel <- updateTabsetPanel
 
 #' Change the value of a number input on the client
 #'
@@ -242,9 +249,9 @@ updateNumericInput <- function(session, inputId, label = NULL, value = NULL,
 #'       sidebarLayout(
 #'         sidebarPanel(
 #'           p("The first slider controls the second"),
-#'           slider2Input("control", "Controller:", min=0, max=20, value=10,
+#'           sliderInput("control", "Controller:", min=0, max=20, value=10,
 #'                        step=1),
-#'           slider2Input("receive", "Receiver:", min=0, max=20, value=10,
+#'           sliderInput("receive", "Receiver:", min=0, max=20, value=10,
 #'                        step=1)
 #'         ),
 #'         mainPanel()
@@ -262,7 +269,39 @@ updateNumericInput <- function(session, inputId, label = NULL, value = NULL,
 #'   )
 #' }
 #' @export
-updateSliderInput <- updateNumericInput
+updateSliderInput <- function(session, inputId, label = NULL, value = NULL,
+  min = NULL, max = NULL, step = NULL)
+{
+  # Make sure that value, min, max all have the same type, because we need
+  # special handling for dates and datetimes.
+  vals <- dropNulls(list(value, min, max))
+
+  type <- unique(lapply(vals, function(x) {
+    if      (inherits(x, "Date"))   "date"
+    else if (inherits(x, "POSIXt")) "datetime"
+    else                            "number"
+  }))
+  if (length(type) > 1) {
+    stop("Type mismatch for value, min, and max")
+  }
+
+  if (type == "date" || type == "datetime") {
+    to_ms <- function(x) 1000 * as.numeric(as.POSIXct(x))
+    if (!is.null(min))   min   <- to_ms(min)
+    if (!is.null(max))   max   <- to_ms(max)
+    if (!is.null(value)) value <- to_ms(value)
+  }
+
+  message <- dropNulls(list(
+    label = label,
+    value = formatNoSci(value),
+    min = formatNoSci(min),
+    max = formatNoSci(max),
+    step = formatNoSci(step)
+  ))
+  session$sendInputMessage(inputId, message)
+}
+
 
 updateInputOptions <- function(session, inputId, label = NULL, choices = NULL,
                                selected = NULL, inline = FALSE,
@@ -403,10 +442,10 @@ updateRadioButtons <- function(session, inputId, label = NULL, choices = NULL,
 #' @export
 updateSelectInput <- function(session, inputId, label = NULL, choices = NULL,
                               selected = NULL) {
-  choices <- choicesWithNames(choices)
+  choices <- if (!is.null(choices)) choicesWithNames(choices)
   if (!is.null(selected))
     selected <- validateSelected(selected, choices, inputId)
-  options <- if (length(choices)) selectOptions(choices, selected)
+  options <- if (!is.null(choices)) selectOptions(choices, selected)
   message <- dropNulls(list(label = label, options = options, value = selected))
   session$sendInputMessage(inputId, message)
 }
@@ -434,9 +473,6 @@ updateSelectizeInput <- function(session, inputId, label = NULL, choices = NULL,
   if (!server) {
     return(updateSelectInput(session, inputId, label, choices, selected))
   }
-  # in the server mode, the choices are not available before we type, so we
-  # cannot really pre-select any options, but here we insert the `selected`
-  # options into selectize forcibly
   value <- unname(selected)
   selected <- choicesWithNames(selected)
   message <- dropNulls(list(
@@ -453,7 +489,7 @@ updateSelectizeInput <- function(session, inputId, label = NULL, choices = NULL,
 selectizeJSON <- function(data, req) {
   query <- parseQueryString(req$QUERY_STRING)
   # extract the query variables, conjunction (and/or), search string, maximum options
-  var <- unlist(fromJSON(query$field, asText = TRUE))
+  var <- c(jsonlite::fromJSON(query$field))
   cjn <- if (query$conju == 'and') all else any
   # all keywords in lower-case, for case-insensitive matching
   key <- unique(strsplit(tolower(query$query), '\\s+')[[1]])
@@ -481,7 +517,7 @@ selectizeJSON <- function(data, req) {
     idx <- idx | apply(matches, 1, cjn)
   }
   # only return the first n rows (n = maximum options in configuration)
-  idx <- head(which(idx), mop)
+  idx <- utils::head(if (length(key)) which(idx) else seq_along(idx), mop)
   data <- data[idx, ]
 
   res <- toJSON(columnToRowData(data))

R/utils.R

@@ -25,7 +25,7 @@ NULL
 #' rnormB(5)  # [1] -0.7946034  0.2568374 -0.6567597  1.2451387 -0.8375699
 #'
 #' @export
-repeatable <- function(rngfunc, seed = runif(1, 0, .Machine$integer.max)) {
+repeatable <- function(rngfunc, seed = stats::runif(1, 0, .Machine$integer.max)) {
   force(seed)
 
   function(...) {
@@ -95,7 +95,7 @@ reinitializeSeed <- if (getRversion() >= '3.0.0') {
 
 # Version of runif that runs with private seed
 p_runif <- function(...) {
-  withPrivateSeed(runif(...))
+  withPrivateSeed(stats::runif(...))
 }
 
 # Version of sample that runs with private seed
@@ -258,7 +258,7 @@ download <- function(url, ...) {
 
       # Needed for https
       mySI2(TRUE)
-      download.file(url, ...)
+      utils::download.file(url, ...)
 
     } else {
       # If non-Windows, check for curl/wget/lynx, then call download.file with
@@ -282,60 +282,17 @@ download <- function(url, ...) {
         stop("no download method found")
       }
 
-      download.file(url, method = method, ...)
+      utils::download.file(url, method = method, ...)
     }
 
   } else {
-    download.file(url, ...)
+    utils::download.file(url, ...)
   }
 }
 
-knownContentTypes <- Map$new()
-knownContentTypes$mset(
-  html='text/html; charset=UTF-8',
-  htm='text/html; charset=UTF-8',
-  js='text/javascript',
-  css='text/css',
-  png='image/png',
-  jpg='image/jpeg',
-  jpeg='image/jpeg',
-  gif='image/gif',
-  svg='image/svg+xml',
-  txt='text/plain',
-  pdf='application/pdf',
-  ps='application/postscript',
-  xml='application/xml',
-  m3u='audio/x-mpegurl',
-  m4a='audio/mp4a-latm',
-  m4b='audio/mp4a-latm',
-  m4p='audio/mp4a-latm',
-  mp3='audio/mpeg',
-  wav='audio/x-wav',
-  m4u='video/vnd.mpegurl',
-  m4v='video/x-m4v',
-  mp4='video/mp4',
-  mpeg='video/mpeg',
-  mpg='video/mpeg',
-  avi='video/x-msvideo',
-  mov='video/quicktime',
-  ogg='application/ogg',
-  swf='application/x-shockwave-flash',
-  doc='application/msword',
-  xls='application/vnd.ms-excel',
-  ppt='application/vnd.ms-powerpoint',
-  xlsx='application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
-  xltx='application/vnd.openxmlformats-officedocument.spreadsheetml.template',
-  potx='application/vnd.openxmlformats-officedocument.presentationml.template',
-  ppsx='application/vnd.openxmlformats-officedocument.presentationml.slideshow',
-  pptx='application/vnd.openxmlformats-officedocument.presentationml.presentation',
-  sldx='application/vnd.openxmlformats-officedocument.presentationml.slide',
-  docx='application/vnd.openxmlformats-officedocument.wordprocessingml.document',
-  dotx='application/vnd.openxmlformats-officedocument.wordprocessingml.template',
-  xlam='application/vnd.ms-excel.addin.macroEnabled.12',
-  xlsb='application/vnd.ms-excel.sheet.binary.macroEnabled.12')
-
-getContentType <- function(ext, defaultType='application/octet-stream') {
-  knownContentTypes$get(tolower(ext)) %OR% defaultType
+getContentType <- function(file, defaultType = 'application/octet-stream') {
+  subtype <- ifelse(grepl('[.]html?$', file), 'charset=UTF-8', '')
+  mime::guess_type(file, unknown = defaultType, subtype = subtype)
 }
 
 # Create a zero-arg function from a quoted expression and environment
@@ -517,7 +474,7 @@ parseQueryString <- function(str, nested = FALSE) {
   keys   <- URLdecode(keys)
   values <- URLdecode(values)
 
-  res <- setNames(as.list(values), keys)
+  res <- stats::setNames(as.list(values), keys)
   if (!nested) return(res)
 
   # Make a nested list from a query of the form ?a[1][1]=x11&a[1][2]=x12&...
@@ -623,7 +580,11 @@ Callbacks <- R6Class(
       })
     },
     invoke = function(..., onError=NULL) {
-      for (callback in .callbacks$values()) {
+      # Ensure that calls are invoked in the order that they were registered
+      keys <- as.character(sort(as.integer(.callbacks$keys()), decreasing = TRUE))
+      callbacks <- .callbacks$mget(keys)
+
+      for (callback in callbacks) {
         if (is.null(onError)) {
           callback(...)
         } else {
@@ -647,7 +608,7 @@ dataTablesJSON <- function(data, req) {
 
   # global searching
   i <- seq_len(n)
-  if (q$search[['value']] != '') {
+  if (length(q$search[['value']]) && q$search[['value']] != '') {
     i0 <- apply(data, 2, function(x) {
       grep2(q$search[['value']], as.character(x),
             fixed = q$search[['regex']] == 'false', ignore.case = ci)
@@ -705,11 +666,6 @@ dataTablesJSON <- function(data, req) {
       for (j in seq_len(ncol(fdata))[k]) fdata[, j] <- htmlEscape(fdata[, j])
     }
   }
-  # WAT: toJSON(list(x = matrix(nrow = 0, ncol = 1))) => {"x": } (#299)
-  if (nrow(fdata) == 0) fdata <- list()
-  # WAT: toJSON(list(x = matrix(1:2))) => {x: [ [1], [2] ]}, however,
-  # toJSON(list(x = matrix(1))) => {x: [ 1 ]} (loss of dimension, #429)
-  if (length(fdata) && all(dim(fdata) == 1)) fdata <- list(list(fdata[1, 1]))
 
   res <- toJSON(list(
     draw = as.integer(q$draw),
@@ -936,7 +892,7 @@ validate <- function(..., errorClass = character(0)) {
       stop("Unexpected validation result: ", as.character(x))
   })
 
-  results <- na.omit(results)
+  results <- stats::na.omit(results)
   if (length(results) == 0)
     return(invisible())
 
@@ -980,11 +936,11 @@ isTruthy <- function(x) {
     return(FALSE)
   if (all(is.na(x)))
     return(FALSE)
-  if (is.character(x) && !any(nzchar(na.omit(x))))
+  if (is.character(x) && !any(nzchar(stats::na.omit(x))))
     return(FALSE)
   if (inherits(x, 'shinyActionButtonValue') && x == 0)
     return(FALSE)
-  if (is.logical(x) && !any(na.omit(x)))
+  if (is.logical(x) && !any(stats::na.omit(x)))
     return(FALSE)
 
   return(TRUE)

cran-comments.md

@@ -1 +0,0 @@
-This submission is somewhat earlier than the suggested one month release cycle, because this version of Shiny fixes an important performance regression.

inst/examples/01_hello/rsconnect/localhost/admin/01_hello.dcf

@@ -0,0 +1,6 @@
+name: 01_hello
+account: admin
+server: localhost
+bundleId: 1
+url: http://localhost:3939/admin/01_hello/
+when: 1436550957.65385

inst/examples/04_mpg/server.R

@@ -12,22 +12,22 @@ mpgData$am <- factor(mpgData$am, labels = c("Automatic", "Manual"))
 # Define server logic required to plot various variables against
 # mpg
 shinyServer(function(input, output) {
-  
+
   # Compute the formula text in a reactive expression since it is
   # shared by the output$caption and output$mpgPlot functions
   formulaText <- reactive({
     paste("mpg ~", input$variable)
   })
-   
+
   # Return the formula text for printing as a caption
   output$caption <- renderText({
     formulaText()
   })
-  
+
   # Generate a plot of the requested variable against mpg and
   # only include outliers if requested
   output$mpgPlot <- renderPlot({
-    boxplot(as.formula(formulaText()), 
+    boxplot(as.formula(formulaText()),
             data = mpgData,
             outline = input$outliers)
   })

inst/examples/05_sliders/ui.R

@@ -2,39 +2,39 @@ library(shiny)
 
 # Define UI for slider demo application
 shinyUI(fluidPage(
-  
+
   #  Application title
   titlePanel("Sliders"),
-  
+
   # Sidebar with sliders that demonstrate various available
   # options
   sidebarLayout(
     sidebarPanel(
       # Simple integer interval
-      sliderInput("integer", "Integer:", 
+      sliderInput("integer", "Integer:",
                   min=0, max=1000, value=500),
-      
+
       # Decimal interval with step value
-      sliderInput("decimal", "Decimal:", 
+      sliderInput("decimal", "Decimal:",
                   min = 0, max = 1, value = 0.5, step= 0.1),
-     
+
       # Specification of range within an interval
       sliderInput("range", "Range:",
                   min = 1, max = 1000, value = c(200,500)),
-      
-      # Provide a custom currency format for value display, 
+
+      # Provide a custom currency format for value display,
 		# with basic animation
-      sliderInput("format", "Custom Format:", 
+      sliderInput("format", "Custom Format:",
                   min = 0, max = 10000, value = 0, step = 2500,
-                  format="$#,##0", locale="us", animate=TRUE),
-      
+                  pre = "$", sep = ",", animate=TRUE),
+
       # Animation with custom interval (in ms) to control speed,
 		# plus looping
       sliderInput("animation", "Looping Animation:", 1, 2000, 1,
 					  	step = 10, animate=
 							animationOptions(interval=300, loop=TRUE))
     ),
-    
+
     # Show a table summarizing the values entered
     mainPanel(
       tableOutput("values")

inst/staticdocs/index.r

@@ -59,7 +59,6 @@ sd_section("UI Outputs",
   "Functions for creating user interface elements that, in conjunction with rendering functions, display different kinds of output from your application.",
   c(
     "htmlOutput",
-    "imageOutput",
     "plotOutput",
     "outputOptions",
     "tableOutput",
@@ -160,6 +159,17 @@ sd_section("Utility functions",
     "shiny-options"
   )
 )
+sd_section("Plot interaction",
+  "Functions related to interactive plots",
+  c(
+    "brushedPoints",
+    "brushOpts",
+    "clickOpts",
+    "dblclickOpts",
+    "hoverOpts",
+    "nearPoints"
+  )
+)
 sd_section("Embedding",
   "Functions that are intended for third-party packages that embed Shiny applications.",
   c(

inst/tests/test-input-handler.R

@@ -15,7 +15,7 @@ test_that("Date converts to date", {
   x <- "2013/01/01"
   class(x) <- "shiny.date"
   handler <- inputHandlers$get('shiny.date')
-  expect_identical(    
+  expect_identical(
     handler(x), as.Date(unclass(x))
   )
 })
@@ -24,7 +24,7 @@ test_that("List of dates converts to vector", {
   x <- list("2013/01/01", "2014/01/01")
   class(x) <- "shiny.date"
   handler <- inputHandlers$get('shiny.date')
-  expect_identical(    
+  expect_identical(
     handler(x), as.Date(unlist(x))
   )
 })
@@ -41,7 +41,7 @@ test_that("Matrix converts list of lists to matrix", {
 test_that("Nulls are not converted to NAs in parsing", {
   msg <- charToRaw("{\"method\":\"init\",\"data\":{\"obs\":500,\"nullObs\":null}}")
   expect_identical(
-    decodeMessage(msg), 
-    list(method="init", data=list(obs=500, nullObs=NULL)) 
+    decodeMessage(msg),
+    list(method="init", data=list(obs=500L, nullObs=NULL))
   )
-})
+})

inst/tests/test-plot-coordmap.R

@@ -0,0 +1,237 @@
+context("plot-coordmap")
+library(ggplot2)
+
+# Sort a list by the names of its keys
+sortList <- function(x) {
+  x[sort(names(x))]
+}
+
+test_that("ggplot coordmap", {
+  dat <- data.frame(xvar = c(0, 5), yvar = c(10, 20))
+
+  tmpfile <- tempfile("test-shiny", fileext = ".png")
+  on.exit(rm(tmpfile))
+
+  # Basic scatterplot
+  p <- ggplot(dat, aes(xvar, yvar)) + geom_point() +
+    scale_x_continuous(expand = c(0, 0)) +
+    scale_y_continuous(expand = c(0, 0))
+  png(tmpfile)
+  m <- getGgplotCoordmap(p, 1)
+  dev.off()
+
+  # Check mapping vars
+  expect_equal(m[[1]]$mapping, list(x = "xvar", y = "yvar"))
+  # Check domain
+  expect_equal(
+    sortList(m[[1]]$domain),
+    sortList(list(left=0, right=5, bottom=10, top=20))
+  )
+
+
+  # Scatterplot where aes() is declared in geom
+  p <- ggplot(dat, aes(xvar)) + geom_point(aes(y=yvar))
+  png(tmpfile)
+  m <- getGgplotCoordmap(p, 1)
+  dev.off()
+
+  # Check mapping vars
+  expect_equal(m[[1]]$mapping, list(x = "xvar", y = "yvar"))
+
+
+  # Plot with computed variable (histogram)
+  p <- ggplot(dat, aes(xvar)) + geom_histogram(binwidth=1)
+  png(tmpfile)
+  m <- getGgplotCoordmap(p, 1)
+  dev.off()
+
+  # Check mapping vars - no value for y
+  expect_equal(m[[1]]$mapping, list(x = "xvar", y = NULL))
+})
+
+
+test_that("ggplot coordmap with facet_wrap", {
+  dat <- data.frame(xvar = c(0, 5, 10), yvar = c(10, 20, 30),
+                    g = c("a", "b", "c"))
+
+  tmpfile <- tempfile("test-shiny", fileext = ".png")
+  on.exit(rm(tmpfile))
+
+  # facet_wrap
+  p <- ggplot(dat, aes(xvar, yvar)) + geom_point() +
+    scale_x_continuous(expand = c(0, 0)) +
+    scale_y_continuous(expand = c(0, 0)) +
+    facet_wrap(~ g, ncol = 2)
+  png(tmpfile)
+  m <- getGgplotCoordmap(p, 1)
+  dev.off()
+
+  # Should have 3 panels
+  expect_equal(length(m), 3)
+  expect_equal(m[[1]]$panel, 1)
+  expect_equal(m[[1]]$row, 1)
+  expect_equal(m[[1]]$col, 1)
+  expect_equal(m[[2]]$panel, 2)
+  expect_equal(m[[2]]$row, 1)
+  expect_equal(m[[2]]$col, 2)
+  expect_equal(m[[3]]$panel, 3)
+  expect_equal(m[[3]]$row, 2)
+  expect_equal(m[[3]]$col, 1)
+
+  # Check mapping vars
+  expect_equal(m[[1]]$mapping, list(x = "xvar", y = "yvar", panelvar1 = "g"))
+  expect_equal(m[[1]]$mapping, m[[2]]$mapping)
+  expect_equal(m[[2]]$mapping, m[[3]]$mapping)
+  # Check domain
+  expect_equal(
+    sortList(m[[1]]$domain),
+    sortList(list(left=0, right=10, bottom=10, top=30))
+  )
+  expect_equal(sortList(m[[1]]$domain), sortList(m[[2]]$domain))
+  expect_equal(sortList(m[[2]]$domain), sortList(m[[3]]$domain))
+
+  # Check panel vars
+  factor_vals <- dat$g
+  expect_equal(m[[1]]$panel_vars, list(panelvar1 = factor_vals[1]))
+  expect_equal(m[[2]]$panel_vars, list(panelvar1 = factor_vals[2]))
+  expect_equal(m[[3]]$panel_vars, list(panelvar1 = factor_vals[3]))
+})
+
+
+test_that("ggplot coordmap with facet_grid", {
+  dat <- data.frame(xvar = c(0, 5, 10), yvar = c(10, 20, 30),
+                    g = c("a", "b", "c"))
+
+  tmpfile <- tempfile("test-shiny", fileext = ".png")
+  on.exit(rm(tmpfile))
+
+  p <- ggplot(dat, aes(xvar, yvar)) + geom_point() +
+    scale_x_continuous(expand = c(0, 0)) +
+    scale_y_continuous(expand = c(0, 0))
+
+  # facet_grid horizontal
+  p1 <- p + facet_grid(. ~ g)
+  png(tmpfile)
+  m <- getGgplotCoordmap(p1, 1)
+  dev.off()
+
+  # Should have 3 panels
+  expect_equal(length(m), 3)
+  expect_equal(m[[1]]$panel, 1)
+  expect_equal(m[[1]]$row, 1)
+  expect_equal(m[[1]]$col, 1)
+  expect_equal(m[[2]]$panel, 2)
+  expect_equal(m[[2]]$row, 1)
+  expect_equal(m[[2]]$col, 2)
+  expect_equal(m[[3]]$panel, 3)
+  expect_equal(m[[3]]$row, 1)
+  expect_equal(m[[3]]$col, 3)
+
+  # Check mapping vars
+  expect_equal(m[[1]]$mapping, list(x = "xvar", y = "yvar", panelvar1 = "g"))
+  expect_equal(m[[1]]$mapping, m[[2]]$mapping)
+  expect_equal(m[[2]]$mapping, m[[3]]$mapping)
+  # Check domain
+  expect_equal(
+    sortList(m[[1]]$domain),
+    sortList(list(left=0, right=10, bottom=10, top=30))
+  )
+  expect_equal(sortList(m[[1]]$domain), sortList(m[[2]]$domain))
+  expect_equal(sortList(m[[2]]$domain), sortList(m[[3]]$domain))
+
+  # Check panel vars
+  factor_vals <- dat$g
+  expect_equal(m[[1]]$panel_vars, list(panelvar1 = factor_vals[1]))
+  expect_equal(m[[2]]$panel_vars, list(panelvar1 = factor_vals[2]))
+  expect_equal(m[[3]]$panel_vars, list(panelvar1 = factor_vals[3]))
+
+
+  # facet_grid vertical
+  p1 <- p + facet_grid(g ~ .)
+  png(tmpfile)
+  m <- getGgplotCoordmap(p1, 1)
+  dev.off()
+
+  # Should have 3 panels
+  expect_equal(length(m), 3)
+  expect_equal(m[[1]]$panel, 1)
+  expect_equal(m[[1]]$row, 1)
+  expect_equal(m[[1]]$col, 1)
+  expect_equal(m[[2]]$panel, 2)
+  expect_equal(m[[2]]$row, 2)
+  expect_equal(m[[2]]$col, 1)
+  expect_equal(m[[3]]$panel, 3)
+  expect_equal(m[[3]]$row, 3)
+  expect_equal(m[[3]]$col, 1)
+
+  # Check mapping vars
+  expect_equal(m[[1]]$mapping, list(x = "xvar", y = "yvar", panelvar1 = "g"))
+  expect_equal(m[[1]]$mapping, m[[2]]$mapping)
+  expect_equal(m[[2]]$mapping, m[[3]]$mapping)
+  # Check domain
+  expect_equal(
+    sortList(m[[1]]$domain),
+    sortList(list(left=0, right=10, bottom=10, top=30))
+  )
+  expect_equal(sortList(m[[1]]$domain), sortList(m[[2]]$domain))
+  expect_equal(sortList(m[[2]]$domain), sortList(m[[3]]$domain))
+
+  # Check panel vars
+  factor_vals <- dat$g
+  expect_equal(m[[1]]$panel_vars, list(panelvar1 = factor_vals[1]))
+  expect_equal(m[[2]]$panel_vars, list(panelvar1 = factor_vals[2]))
+  expect_equal(m[[3]]$panel_vars, list(panelvar1 = factor_vals[3]))
+})
+
+
+test_that("ggplot coordmap with 2D facet_grid", {
+  dat <- data.frame(xvar = c(0, 5, 10, 15), yvar = c(10, 20, 30, 40),
+                    g = c("a", "b"), h = c("i", "j"))
+
+  tmpfile <- tempfile("test-shiny", fileext = ".png")
+  on.exit(rm(tmpfile))
+
+  p <- ggplot(dat, aes(xvar, yvar)) + geom_point() +
+    scale_x_continuous(expand = c(0, 0)) +
+    scale_y_continuous(expand = c(0, 0))
+
+  p1 <- p + facet_grid(g ~ h)
+  png(tmpfile)
+  m <- getGgplotCoordmap(p1, 1)
+  dev.off()
+
+  # Should have 4 panels
+  expect_equal(length(m), 4)
+  expect_equal(m[[1]]$panel, 1)
+  expect_equal(m[[1]]$row, 1)
+  expect_equal(m[[1]]$col, 1)
+  expect_equal(m[[2]]$panel, 2)
+  expect_equal(m[[2]]$row, 1)
+  expect_equal(m[[2]]$col, 2)
+  expect_equal(m[[3]]$panel, 3)
+  expect_equal(m[[3]]$row, 2)
+  expect_equal(m[[3]]$col, 1)
+  expect_equal(m[[4]]$panel, 4)
+  expect_equal(m[[4]]$row, 2)
+  expect_equal(m[[4]]$col, 2)
+
+  # Check mapping vars
+  expect_equal(m[[1]]$mapping, list(x = "xvar", y = "yvar", panelvar1 = "h", panelvar2 = "g"))
+  expect_equal(m[[1]]$mapping, m[[2]]$mapping)
+  expect_equal(m[[2]]$mapping, m[[3]]$mapping)
+  expect_equal(m[[4]]$mapping, m[[4]]$mapping)
+  # Check domain
+  expect_equal(
+    sortList(m[[1]]$domain),
+    sortList(list(left=0, right=15, bottom=10, top=40))
+  )
+  expect_equal(sortList(m[[1]]$domain), sortList(m[[2]]$domain))
+  expect_equal(sortList(m[[2]]$domain), sortList(m[[3]]$domain))
+  expect_equal(sortList(m[[3]]$domain), sortList(m[[4]]$domain))
+
+  # Check panel vars
+  expect_equal(m[[1]]$panel_vars, list(panelvar1 = dat$h[1], panelvar2 = dat$g[1]))
+  expect_equal(m[[2]]$panel_vars, list(panelvar1 = dat$h[2], panelvar2 = dat$g[1]))
+  expect_equal(m[[3]]$panel_vars, list(panelvar1 = dat$h[1], panelvar2 = dat$g[2]))
+  expect_equal(m[[4]]$panel_vars, list(panelvar1 = dat$h[2], panelvar2 = dat$g[2]))
+})

inst/tests/test-utils.R

@@ -100,3 +100,20 @@ test_that("anyUnnamed works as expected", {
   x <- x[3:4]
   expect_true(anyUnnamed(x))
 })
+
+test_that("Callbacks fire in predictable order", {
+  cb <- Callbacks$new()
+
+  x <- numeric(0)
+  cb$register(function() {
+    x <<- c(x, 1)
+  })
+  cb$register(function() {
+    x <<- c(x, 2)
+  })
+  cb$register(function() {
+    x <<- c(x, 3)
+  })
+  cb$invoke()
+  expect_equal(x, c(1, 2, 3))
+})

inst/www/shared/datatables/js/jquery.dataTables.min.js

@@ -1,157 +1,158 @@
-/*! DataTables 1.10.4
- * ©2008-2014 SpryMedia Ltd - datatables.net/license
+/*! DataTables 1.10.5
+ * ©2008-2015 SpryMedia Ltd - datatables.net/license
  */
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-oLanguage:{fnInfoCallback:null},oBrowser:{bScrollOversize:!1,bScrollbarLeft:!1},ajax:null,aanFeatures:[],aoData:[],aiDisplay:[],aiDisplayMaster:[],aoColumns:[],aoHeader:[],aoFooter:[],oPreviousSearch:{},aoPreSearchCols:[],aaSorting:null,aaSortingFixed:[],asStripeClasses:null,asDestroyStripes:[],sDestroyWidth:0,aoRowCallback:[],aoHeaderCallback:[],aoFooterCallback:[],aoDrawCallback:[],aoRowCreatedCallback:[],aoPreDrawCallback:[],aoInitComplete:[],aoStateSaveParams:[],aoStateLoadParams:[],aoStateLoaded:[],
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-sSortAsc:"sorting_asc",sSortDesc:"sorting_desc",sSortable:"sorting",sSortableAsc:"sorting_asc_disabled",sSortableDesc:"sorting_desc_disabled",sSortableNone:"sorting_disabled",sSortColumn:"sorting_",sFilterInput:"",sLengthSelect:"",sScrollWrapper:"dataTables_scroll",sScrollHead:"dataTables_scrollHead",sScrollHeadInner:"dataTables_scrollHeadInner",sScrollBody:"dataTables_scrollBody",sScrollFoot:"dataTables_scrollFoot",sScrollFootInner:"dataTables_scrollFootInner",sHeaderTH:"",sFooterTH:"",sSortJUIAsc:"",
-sSortJUIDesc:"",sSortJUI:"",sSortJUIAscAllowed:"",sSortJUIDescAllowed:"",sSortJUIWrapper:"",sSortIcon:"",sJUIHeader:"",sJUIFooter:""});var Ca="",Ca="",E=Ca+"ui-state-default",ia=Ca+"css_right ui-icon ui-icon-",Wb=Ca+"fg-toolbar ui-toolbar ui-widget-header ui-helper-clearfix";g.extend(p.ext.oJUIClasses,p.ext.classes,{sPageButton:"fg-button ui-button "+E,sPageButtonActive:"ui-state-disabled",sPageButtonDisabled:"ui-state-disabled",sPaging:"dataTables_paginate fg-buttonset ui-buttonset fg-buttonset-multi ui-buttonset-multi paging_",
-sSortAsc:E+" sorting_asc",sSortDesc:E+" sorting_desc",sSortable:E+" sorting",sSortableAsc:E+" sorting_asc_disabled",sSortableDesc:E+" sorting_desc_disabled",sSortableNone:E+" sorting_disabled",sSortJUIAsc:ia+"triangle-1-n",sSortJUIDesc:ia+"triangle-1-s",sSortJUI:ia+"carat-2-n-s",sSortJUIAscAllowed:ia+"carat-1-n",sSortJUIDescAllowed:ia+"carat-1-s",sSortJUIWrapper:"DataTables_sort_wrapper",sSortIcon:"DataTables_sort_icon",sScrollHead:"dataTables_scrollHead "+E,sScrollFoot:"dataTables_scrollFoot "+E,
-sHeaderTH:E,sFooterTH:E,sJUIHeader:Wb+" ui-corner-tl ui-corner-tr",sJUIFooter:Wb+" ui-corner-bl ui-corner-br"});var Lb=p.ext.pager;g.extend(Lb,{simple:function(){return["previous","next"]},full:function(){return["first","previous","next","last"]},simple_numbers:function(a,b){return["previous",Va(a,b),"next"]},full_numbers:function(a,b){return["first","previous",Va(a,b),"next","last"]},_numbers:Va,numbers_length:7});g.extend(!0,p.ext.renderer,{pageButton:{_:function(a,b,c,e,d,f){var h=a.oClasses,i=
-a.oLanguage.oPaginate,j,l,m=0,o=function(b,e){var k,p,r,q,s=function(b){Sa(a,b.data.action,true)};k=0;for(p=e.length;k<p;k++){q=e[k];if(g.isArray(q)){r=g("<"+(q.DT_el||"div")+"/>").appendTo(b);o(r,q)}else{l=j="";switch(q){case "ellipsis":b.append("<span>&hellip;</span>");break;case "first":j=i.sFirst;l=q+(d>0?"":" "+h.sPageButtonDisabled);break;case "previous":j=i.sPrevious;l=q+(d>0?"":" "+h.sPageButtonDisabled);break;case "next":j=i.sNext;l=q+(d<f-1?"":" "+h.sPageButtonDisabled);break;case "last":j=
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+i)}).toArray()})},1);c.selector.cols=a;c.selector.opts=b;return c});u("columns().header()","column().header()",function(){return this.iterator("column",function(a,b){return a.aoColumns[b].nTh},1)});u("columns().footer()","column().footer()",function(){return this.iterator("column",function(a,b){return a.aoColumns[b].nTf},1)});u("columns().data()","column().data()",function(){return this.iterator("column-rows",Wb,1)});u("columns().dataSrc()","column().dataSrc()",function(){return this.iterator("column",
+function(a,b){return a.aoColumns[b].mData},1)});u("columns().cache()","column().cache()",function(a){return this.iterator("column-rows",function(b,c,e,d,f){return ia(b.aoData,f,"search"===a?"_aFilterData":"_aSortData",c)},1)});u("columns().nodes()","column().nodes()",function(){return this.iterator("column-rows",function(a,b,c,e,d){return ia(a.aoData,d,"anCells",b)},1)});u("columns().visible()","column().visible()",function(a,b){return this.iterator("column",function(c,e){if(a===k)return c.aoColumns[e].bVisible;
+var d=c.aoColumns,f=d[e],g=c.aoData,j,i,m;if(a!==k&&f.bVisible!==a){if(a){var l=h.inArray(!0,D(d,"bVisible"),e+1);j=0;for(i=g.length;j<i;j++)m=g[j].nTr,d=g[j].anCells,m&&m.insertBefore(d[e],d[l]||null)}else h(D(c.aoData,"anCells",e)).detach();f.bVisible=a;ea(c,c.aoHeader);ea(c,c.aoFooter);if(b===k||b)X(c),(c.oScroll.sX||c.oScroll.sY)&&Y(c);w(c,null,"column-visibility",[c,e,a]);ya(c)}})});u("columns().indexes()","column().index()",function(a){return this.iterator("column",function(b,c){return"visible"===
+a?$(b,c):c},1)});r("columns.adjust()",function(){return this.iterator("table",function(a){X(a)},1)});r("column.index()",function(a,b){if(0!==this.context.length){var c=this.context[0];if("fromVisible"===a||"toData"===a)return la(c,b);if("fromData"===a||"toVisible"===a)return $(c,b)}});r("column()",function(a,b){return bb(this.columns(a,b))});r("cells()",function(a,b,c){h.isPlainObject(a)&&(typeof a.row!==k?(c=b,b=null):(c=a,a=null));h.isPlainObject(b)&&(c=b,b=null);if(null===b||b===k)return this.iterator("table",
+function(b){var e=a,d=ab(c),f=b.aoData,g=Ca(b,d),d=Sb(ia(f,g,"anCells")),j=h([].concat.apply([],d)),i,l=b.aoColumns.length,m,o,r,t,s,u;return $a(e,function(a){var c=typeof a==="function";if(a===null||a===k||c){m=[];o=0;for(r=g.length;o<r;o++){i=g[o];for(t=0;t<l;t++){s={row:i,column:t};if(c){u=b.aoData[i];a(s,y(b,i,t),u.anCells[t])&&m.push(s)}else m.push(s)}}return m}return h.isPlainObject(a)?[a]:j.filter(a).map(function(a,b){i=b.parentNode._DT_RowIndex;return{row:i,column:h.inArray(b,f[i].anCells)}}).toArray()})});
+var e=this.columns(b,c),d=this.rows(a,c),f,g,j,i,m,l=this.iterator("table",function(a,b){f=[];g=0;for(j=d[b].length;g<j;g++){i=0;for(m=e[b].length;i<m;i++)f.push({row:d[b][g],column:e[b][i]})}return f},1);h.extend(l.selector,{cols:b,rows:a,opts:c});return l});u("cells().nodes()","cell().node()",function(){return this.iterator("cell",function(a,b,c){return(a=a.aoData[b].anCells)?a[c]:k},1)});r("cells().data()",function(){return this.iterator("cell",function(a,b,c){return y(a,b,c)},1)});u("cells().cache()",
+"cell().cache()",function(a){a="search"===a?"_aFilterData":"_aSortData";return this.iterator("cell",function(b,c,e){return b.aoData[c][a][e]},1)});u("cells().render()","cell().render()",function(a){return this.iterator("cell",function(b,c,e){return y(b,c,e,a)},1)});u("cells().indexes()","cell().index()",function(){return this.iterator("cell",function(a,b,c){return{row:b,column:c,columnVisible:$(a,c)}},1)});u("cells().invalidate()","cell().invalidate()",function(a){return this.iterator("cell",function(b,
+c,e){ca(b,c,a,e)})});r("cell()",function(a,b,c){return bb(this.cells(a,b,c))});r("cell().data()",function(a){var b=this.context,c=this[0];if(a===k)return b.length&&c.length?y(b[0],c[0].row,c[0].column):k;Ia(b[0],c[0].row,c[0].column,a);ca(b[0],c[0].row,"data",c[0].column);return this});r("order()",function(a,b){var c=this.context;if(a===k)return 0!==c.length?c[0].aaSorting:k;"number"===typeof a?a=[[a,b]]:h.isArray(a[0])||(a=Array.prototype.slice.call(arguments));return this.iterator("table",function(b){b.aaSorting=
+a.slice()})});r("order.listener()",function(a,b,c){return this.iterator("table",function(e){Oa(e,a,b,c)})});r(["columns().order()","column().order()"],function(a){var b=this;return this.iterator("table",function(c,e){var d=[];h.each(b[e],function(b,c){d.push([c,a])});c.aaSorting=d})});r("search()",function(a,b,c,e){var d=this.context;return a===k?0!==d.length?d[0].oPreviousSearch.sSearch:k:this.iterator("table",function(d){d.oFeatures.bFilter&&fa(d,h.extend({},d.oPreviousSearch,{sSearch:a+"",bRegex:null===
+b?!1:b,bSmart:null===c?!0:c,bCaseInsensitive:null===e?!0:e}),1)})});u("columns().search()","column().search()",function(a,b,c,e){return this.iterator("column",function(d,f){var g=d.aoPreSearchCols;if(a===k)return g[f].sSearch;d.oFeatures.bFilter&&(h.extend(g[f],{sSearch:a+"",bRegex:null===b?!1:b,bSmart:null===c?!0:c,bCaseInsensitive:null===e?!0:e}),fa(d,d.oPreviousSearch,1))})});r("state()",function(){return this.context.length?this.context[0].oSavedState:null});r("state.clear()",function(){return this.iterator("table",
+function(a){a.fnStateSaveCallback.call(a.oInstance,a,{})})});r("state.loaded()",function(){return this.context.length?this.context[0].oLoadedState:null});r("state.save()",function(){return this.iterator("table",function(a){ya(a)})});o.versionCheck=o.fnVersionCheck=function(a){for(var b=o.version.split("."),a=a.split("."),c,e,d=0,f=a.length;d<f;d++)if(c=parseInt(b[d],10)||0,e=parseInt(a[d],10)||0,c!==e)return c>e;return!0};o.isDataTable=o.fnIsDataTable=function(a){var b=h(a).get(0),c=!1;h.each(o.settings,
+function(a,d){if(d.nTable===b||h("table",d.nScrollHead)[0]===b||h("table",d.nScrollFoot)[0]===b)c=!0});return c};o.tables=o.fnTables=function(a){return h.map(o.settings,function(b){if(!a||a&&h(b.nTable).is(":visible"))return b.nTable})};o.util={throttle:ua,escapeRegex:va};o.camelToHungarian=H;r("$()",function(a,b){var c=this.rows(b).nodes(),c=h(c);return h([].concat(c.filter(a).toArray(),c.find(a).toArray()))});h.each(["on","one","off"],function(a,b){r(b+"()",function(){var a=Array.prototype.slice.call(arguments);
+a[0].match(/\.dt\b/)||(a[0]+=".dt");var e=h(this.tables().nodes());e[b].apply(e,a);return this})});r("clear()",function(){return this.iterator("table",function(a){oa(a)})});r("settings()",function(){return new t(this.context,this.context)});r("data()",function(){return this.iterator("table",function(a){return D(a.aoData,"_aData")}).flatten()});r("destroy()",function(a){a=a||!1;return this.iterator("table",function(b){var c=b.nTableWrapper.parentNode,e=b.oClasses,d=b.nTable,f=b.nTBody,g=b.nTHead,j=
+b.nTFoot,i=h(d),f=h(f),k=h(b.nTableWrapper),l=h.map(b.aoData,function(a){return a.nTr}),p;b.bDestroying=!0;w(b,"aoDestroyCallback","destroy",[b]);a||(new t(b)).columns().visible(!0);k.unbind(".DT").find(":not(tbody *)").unbind(".DT");h(Ea).unbind(".DT-"+b.sInstance);d!=g.parentNode&&(i.children("thead").detach(),i.append(g));j&&d!=j.parentNode&&(i.children("tfoot").detach(),i.append(j));i.detach();k.detach();b.aaSorting=[];b.aaSortingFixed=[];xa(b);h(l).removeClass(b.asStripeClasses.join(" "));h("th, td",
+g).removeClass(e.sSortable+" "+e.sSortableAsc+" "+e.sSortableDesc+" "+e.sSortableNone);b.bJUI&&(h("th span."+e.sSortIcon+", td span."+e.sSortIcon,g).detach(),h("th, td",g).each(function(){var a=h("div."+e.sSortJUIWrapper,this);h(this).append(a.contents());a.detach()}));!a&&c&&c.insertBefore(d,b.nTableReinsertBefore);f.children().detach();f.append(l);i.css("width",b.sDestroyWidth).removeClass(e.sTable);(p=b.asDestroyStripes.length)&&f.children().each(function(a){h(this).addClass(b.asDestroyStripes[a%
+p])});c=h.inArray(b,o.settings);-1!==c&&o.settings.splice(c,1)})});o.version="1.10.5";o.settings=[];o.models={};o.models.oSearch={bCaseInsensitive:!0,sSearch:"",bRegex:!1,bSmart:!0};o.models.oRow={nTr:null,anCells:null,_aData:[],_aSortData:null,_aFilterData:null,_sFilterRow:null,_sRowStripe:"",src:null};o.models.oColumn={idx:null,aDataSort:null,asSorting:null,bSearchable:null,bSortable:null,bVisible:null,_sManualType:null,_bAttrSrc:!1,fnCreatedCell:null,fnGetData:null,fnSetData:null,mData:null,mRender:null,
+nTh:null,nTf:null,sClass:null,sContentPadding:null,sDefaultContent:null,sName:null,sSortDataType:"std",sSortingClass:null,sSortingClassJUI:null,sTitle:null,sType:null,sWidth:null,sWidthOrig:null};o.defaults={aaData:null,aaSorting:[[0,"asc"]],aaSortingFixed:[],ajax:null,aLengthMenu:[10,25,50,100],aoColumns:null,aoColumnDefs:null,aoSearchCols:[],asStripeClasses:null,bAutoWidth:!0,bDeferRender:!1,bDestroy:!1,bFilter:!0,bInfo:!0,bJQueryUI:!1,bLengthChange:!0,bPaginate:!0,bProcessing:!1,bRetrieve:!1,bScrollCollapse:!1,
+bServerSide:!1,bSort:!0,bSortMulti:!0,bSortCellsTop:!1,bSortClasses:!0,bStateSave:!1,fnCreatedRow:null,fnDrawCallback:null,fnFooterCallback:null,fnFormatNumber:function(a){return a.toString().replace(/\B(?=(\d{3})+(?!\d))/g,this.oLanguage.sThousands)},fnHeaderCallback:null,fnInfoCallback:null,fnInitComplete:null,fnPreDrawCallback:null,fnRowCallback:null,fnServerData:null,fnServerParams:null,fnStateLoadCallback:function(a){try{return JSON.parse((-1===a.iStateDuration?sessionStorage:localStorage).getItem("DataTables_"+
+a.sInstance+"_"+location.pathname))}catch(b){}},fnStateLoadParams:null,fnStateLoaded:null,fnStateSaveCallback:function(a,b){try{(-1===a.iStateDuration?sessionStorage:localStorage).setItem("DataTables_"+a.sInstance+"_"+location.pathname,JSON.stringify(b))}catch(c){}},fnStateSaveParams:null,iStateDuration:7200,iDeferLoading:null,iDisplayLength:10,iDisplayStart:0,iTabIndex:0,oClasses:{},oLanguage:{oAria:{sSortAscending:": activate to sort column ascending",sSortDescending:": activate to sort column descending"},
+oPaginate:{sFirst:"First",sLast:"Last",sNext:"Next",sPrevious:"Previous"},sEmptyTable:"No data available in table",sInfo:"Showing _START_ to _END_ of _TOTAL_ entries",sInfoEmpty:"Showing 0 to 0 of 0 entries",sInfoFiltered:"(filtered from _MAX_ total entries)",sInfoPostFix:"",sDecimal:"",sThousands:",",sLengthMenu:"Show _MENU_ entries",sLoadingRecords:"Loading...",sProcessing:"Processing...",sSearch:"Search:",sSearchPlaceholder:"",sUrl:"",sZeroRecords:"No matching records found"},oSearch:h.extend({},
+o.models.oSearch),sAjaxDataProp:"data",sAjaxSource:null,sDom:"lfrtip",searchDelay:null,sPaginationType:"simple_numbers",sScrollX:"",sScrollXInner:"",sScrollY:"",sServerMethod:"GET",renderer:null};V(o.defaults);o.defaults.column={aDataSort:null,iDataSort:-1,asSorting:["asc","desc"],bSearchable:!0,bSortable:!0,bVisible:!0,fnCreatedCell:null,mData:null,mRender:null,sCellType:"td",sClass:"",sContentPadding:"",sDefaultContent:null,sName:"",sSortDataType:"std",sTitle:null,sType:null,sWidth:null};V(o.defaults.column);
+o.models.oSettings={oFeatures:{bAutoWidth:null,bDeferRender:null,bFilter:null,bInfo:null,bLengthChange:null,bPaginate:null,bProcessing:null,bServerSide:null,bSort:null,bSortMulti:null,bSortClasses:null,bStateSave:null},oScroll:{bCollapse:null,iBarWidth:0,sX:null,sXInner:null,sY:null},oLanguage:{fnInfoCallback:null},oBrowser:{bScrollOversize:!1,bScrollbarLeft:!1},ajax:null,aanFeatures:[],aoData:[],aiDisplay:[],aiDisplayMaster:[],aoColumns:[],aoHeader:[],aoFooter:[],oPreviousSearch:{},aoPreSearchCols:[],
+aaSorting:null,aaSortingFixed:[],asStripeClasses:null,asDestroyStripes:[],sDestroyWidth:0,aoRowCallback:[],aoHeaderCallback:[],aoFooterCallback:[],aoDrawCallback:[],aoRowCreatedCallback:[],aoPreDrawCallback:[],aoInitComplete:[],aoStateSaveParams:[],aoStateLoadParams:[],aoStateLoaded:[],sTableId:"",nTable:null,nTHead:null,nTFoot:null,nTBody:null,nTableWrapper:null,bDeferLoading:!1,bInitialised:!1,aoOpenRows:[],sDom:null,searchDelay:null,sPaginationType:"two_button",iStateDuration:0,aoStateSave:[],
+aoStateLoad:[],oSavedState:null,oLoadedState:null,sAjaxSource:null,sAjaxDataProp:null,bAjaxDataGet:!0,jqXHR:null,json:k,oAjaxData:k,fnServerData:null,aoServerParams:[],sServerMethod:null,fnFormatNumber:null,aLengthMenu:null,iDraw:0,bDrawing:!1,iDrawError:-1,_iDisplayLength:10,_iDisplayStart:0,_iRecordsTotal:0,_iRecordsDisplay:0,bJUI:null,oClasses:{},bFiltered:!1,bSorted:!1,bSortCellsTop:null,oInit:null,aoDestroyCallback:[],fnRecordsTotal:function(){return"ssp"==B(this)?1*this._iRecordsTotal:this.aiDisplayMaster.length},
+fnRecordsDisplay:function(){return"ssp"==B(this)?1*this._iRecordsDisplay:this.aiDisplay.length},fnDisplayEnd:function(){var a=this._iDisplayLength,b=this._iDisplayStart,c=b+a,e=this.aiDisplay.length,d=this.oFeatures,f=d.bPaginate;return d.bServerSide?!1===f||-1===a?b+e:Math.min(b+a,this._iRecordsDisplay):!f||c>e||-1===a?e:c},oInstance:null,sInstance:null,iTabIndex:0,nScrollHead:null,nScrollFoot:null,aLastSort:[],oPlugins:{}};o.ext=x={buttons:{},classes:{},errMode:"alert",feature:[],search:[],internal:{},
+legacy:{ajax:null},pager:{},renderer:{pageButton:{},header:{}},order:{},type:{detect:[],search:{},order:{}},_unique:0,fnVersionCheck:o.fnVersionCheck,iApiIndex:0,oJUIClasses:{},sVersion:o.version};h.extend(x,{afnFiltering:x.search,aTypes:x.type.detect,ofnSearch:x.type.search,oSort:x.type.order,afnSortData:x.order,aoFeatures:x.feature,oApi:x.internal,oStdClasses:x.classes,oPagination:x.pager});h.extend(o.ext.classes,{sTable:"dataTable",sNoFooter:"no-footer",sPageButton:"paginate_button",sPageButtonActive:"current",
+sPageButtonDisabled:"disabled",sStripeOdd:"odd",sStripeEven:"even",sRowEmpty:"dataTables_empty",sWrapper:"dataTables_wrapper",sFilter:"dataTables_filter",sInfo:"dataTables_info",sPaging:"dataTables_paginate paging_",sLength:"dataTables_length",sProcessing:"dataTables_processing",sSortAsc:"sorting_asc",sSortDesc:"sorting_desc",sSortable:"sorting",sSortableAsc:"sorting_asc_disabled",sSortableDesc:"sorting_desc_disabled",sSortableNone:"sorting_disabled",sSortColumn:"sorting_",sFilterInput:"",sLengthSelect:"",
+sScrollWrapper:"dataTables_scroll",sScrollHead:"dataTables_scrollHead",sScrollHeadInner:"dataTables_scrollHeadInner",sScrollBody:"dataTables_scrollBody",sScrollFoot:"dataTables_scrollFoot",sScrollFootInner:"dataTables_scrollFootInner",sHeaderTH:"",sFooterTH:"",sSortJUIAsc:"",sSortJUIDesc:"",sSortJUI:"",sSortJUIAscAllowed:"",sSortJUIDescAllowed:"",sSortJUIWrapper:"",sSortIcon:"",sJUIHeader:"",sJUIFooter:""});var Da="",Da="",F=Da+"ui-state-default",ja=Da+"css_right ui-icon ui-icon-",Xb=Da+"fg-toolbar ui-toolbar ui-widget-header ui-helper-clearfix";
+h.extend(o.ext.oJUIClasses,o.ext.classes,{sPageButton:"fg-button ui-button "+F,sPageButtonActive:"ui-state-disabled",sPageButtonDisabled:"ui-state-disabled",sPaging:"dataTables_paginate fg-buttonset ui-buttonset fg-buttonset-multi ui-buttonset-multi paging_",sSortAsc:F+" sorting_asc",sSortDesc:F+" sorting_desc",sSortable:F+" sorting",sSortableAsc:F+" sorting_asc_disabled",sSortableDesc:F+" sorting_desc_disabled",sSortableNone:F+" sorting_disabled",sSortJUIAsc:ja+"triangle-1-n",sSortJUIDesc:ja+"triangle-1-s",
+sSortJUI:ja+"carat-2-n-s",sSortJUIAscAllowed:ja+"carat-1-n",sSortJUIDescAllowed:ja+"carat-1-s",sSortJUIWrapper:"DataTables_sort_wrapper",sSortIcon:"DataTables_sort_icon",sScrollHead:"dataTables_scrollHead "+F,sScrollFoot:"dataTables_scrollFoot "+F,sHeaderTH:F,sFooterTH:F,sJUIHeader:Xb+" ui-corner-tl ui-corner-tr",sJUIFooter:Xb+" ui-corner-bl ui-corner-br"});var Mb=o.ext.pager;h.extend(Mb,{simple:function(){return["previous","next"]},full:function(){return["first","previous","next","last"]},simple_numbers:function(a,
+b){return["previous",Wa(a,b),"next"]},full_numbers:function(a,b){return["first","previous",Wa(a,b),"next","last"]},_numbers:Wa,numbers_length:7});h.extend(!0,o.ext.renderer,{pageButton:{_:function(a,b,c,e,d,f){var g=a.oClasses,j=a.oLanguage.oPaginate,i,k,l=0,o=function(b,e){var n,r,t,s,u=function(b){Ta(a,b.data.action,true)};n=0;for(r=e.length;n<r;n++){s=e[n];if(h.isArray(s)){t=h("<"+(s.DT_el||"div")+"/>").appendTo(b);o(t,s)}else{k=i="";switch(s){case "ellipsis":b.append("<span>&hellip;</span>");
+break;case "first":i=j.sFirst;k=s+(d>0?"":" "+g.sPageButtonDisabled);break;case "previous":i=j.sPrevious;k=s+(d>0?"":" "+g.sPageButtonDisabled);break;case "next":i=j.sNext;k=s+(d<f-1?"":" "+g.sPageButtonDisabled);break;case "last":i=j.sLast;k=s+(d<f-1?"":" "+g.sPageButtonDisabled);break;default:i=s+1;k=d===s?g.sPageButtonActive:""}if(i){t=h("<a>",{"class":g.sPageButton+" "+k,"aria-controls":a.sTableId,"data-dt-idx":l,tabindex:a.iTabIndex,id:c===0&&typeof s==="string"?a.sTableId+"_"+s:null}).html(i).appendTo(b);
+Va(t,{action:s},u);l++}}}},n;try{n=h(P.activeElement).data("dt-idx")}catch(r){}o(h(b).empty(),e);n&&h(b).find("[data-dt-idx="+n+"]").focus()}}});h.extend(o.ext.type.detect,[function(a,b){var c=b.oLanguage.sDecimal;return Za(a,c)?"num"+c:null},function(a){if(a&&!(a instanceof Date)&&(!ac.test(a)||!bc.test(a)))return null;var b=Date.parse(a);return null!==b&&!isNaN(b)||I(a)?"date":null},function(a,b){var c=b.oLanguage.sDecimal;return Za(a,c,!0)?"num-fmt"+c:null},function(a,b){var c=b.oLanguage.sDecimal;
+return Rb(a,c)?"html-num"+c:null},function(a,b){var c=b.oLanguage.sDecimal;return Rb(a,c,!0)?"html-num-fmt"+c:null},function(a){return I(a)||"string"===typeof a&&-1!==a.indexOf("<")?"html":null}]);h.extend(o.ext.type.search,{html:function(a){return I(a)?a:"string"===typeof a?a.replace(Ob," ").replace(Ba,""):""},string:function(a){return I(a)?a:"string"===typeof a?a.replace(Ob," "):a}});var Aa=function(a,b,c,e){if(0!==a&&(!a||"-"===a))return-Infinity;b&&(a=Qb(a,b));a.replace&&(c&&(a=a.replace(c,"")),
+e&&(a=a.replace(e,"")));return 1*a};h.extend(x.type.order,{"date-pre":function(a){return Date.parse(a)||0},"html-pre":function(a){return I(a)?"":a.replace?a.replace(/<.*?>/g,"").toLowerCase():a+""},"string-pre":function(a){return I(a)?"":"string"===typeof a?a.toLowerCase():!a.toString?"":a.toString()},"string-asc":function(a,b){return a<b?-1:a>b?1:0},"string-desc":function(a,b){return a<b?1:a>b?-1:0}});db("");h.extend(!0,o.ext.renderer,{header:{_:function(a,b,c,e){h(a.nTable).on("order.dt.DT",function(d,
+f,g,h){if(a===f){d=c.idx;b.removeClass(c.sSortingClass+" "+e.sSortAsc+" "+e.sSortDesc).addClass(h[d]=="asc"?e.sSortAsc:h[d]=="desc"?e.sSortDesc:c.sSortingClass)}})},jqueryui:function(a,b,c,e){h("<div/>").addClass(e.sSortJUIWrapper).append(b.contents()).append(h("<span/>").addClass(e.sSortIcon+" "+c.sSortingClassJUI)).appendTo(b);h(a.nTable).on("order.dt.DT",function(d,f,g,h){if(a===f){d=c.idx;b.removeClass(e.sSortAsc+" "+e.sSortDesc).addClass(h[d]=="asc"?e.sSortAsc:h[d]=="desc"?e.sSortDesc:c.sSortingClass);
+b.find("span."+e.sSortIcon).removeClass(e.sSortJUIAsc+" "+e.sSortJUIDesc+" "+e.sSortJUI+" "+e.sSortJUIAscAllowed+" "+e.sSortJUIDescAllowed).addClass(h[d]=="asc"?e.sSortJUIAsc:h[d]=="desc"?e.sSortJUIDesc:c.sSortingClassJUI)}})}}});o.render={number:function(a,b,c,e){return{display:function(d){var f=0>d?"-":"",d=Math.abs(parseFloat(d)),g=parseInt(d,10),d=c?b+(d-g).toFixed(c).substring(2):"";return f+(e||"")+g.toString().replace(/\B(?=(\d{3})+(?!\d))/g,a)+d}}}};h.extend(o.ext.internal,{_fnExternApiFunc:Nb,
+_fnBuildAjax:ra,_fnAjaxUpdate:kb,_fnAjaxParameters:tb,_fnAjaxUpdateDraw:ub,_fnAjaxDataSrc:sa,_fnAddColumn:Fa,_fnColumnOptions:ka,_fnAdjustColumnSizing:X,_fnVisibleToColumnIndex:la,_fnColumnIndexToVisible:$,_fnVisbleColumns:aa,_fnGetColumns:Z,_fnColumnTypes:Ha,_fnApplyColumnDefs:ib,_fnHungarianMap:V,_fnCamelToHungarian:H,_fnLanguageCompat:O,_fnBrowserDetect:gb,_fnAddData:J,_fnAddTr:ma,_fnNodeToDataIndex:function(a,b){return b._DT_RowIndex!==k?b._DT_RowIndex:null},_fnNodeToColumnIndex:function(a,b,
+c){return h.inArray(c,a.aoData[b].anCells)},_fnGetCellData:y,_fnSetCellData:Ia,_fnSplitObjNotation:Ka,_fnGetObjectDataFn:W,_fnSetObjectDataFn:Q,_fnGetDataMaster:La,_fnClearTable:oa,_fnDeleteIndex:pa,_fnInvalidate:ca,_fnGetRowElements:na,_fnCreateTr:Ja,_fnBuildHead:jb,_fnDrawHead:ea,_fnDraw:M,_fnReDraw:N,_fnAddOptionsHtml:mb,_fnDetectHeader:da,_fnGetUniqueThs:qa,_fnFeatureHtmlFilter:ob,_fnFilterComplete:fa,_fnFilterCustom:xb,_fnFilterColumn:wb,_fnFilter:vb,_fnFilterCreateSearch:Qa,_fnEscapeRegex:va,
+_fnFilterData:yb,_fnFeatureHtmlInfo:rb,_fnUpdateInfo:Bb,_fnInfoMacros:Cb,_fnInitialise:ga,_fnInitComplete:ta,_fnLengthChange:Ra,_fnFeatureHtmlLength:nb,_fnFeatureHtmlPaginate:sb,_fnPageChange:Ta,_fnFeatureHtmlProcessing:pb,_fnProcessingDisplay:C,_fnFeatureHtmlTable:qb,_fnScrollDraw:Y,_fnApplyToChildren:G,_fnCalculateColumnWidths:Ga,_fnThrottle:ua,_fnConvertToWidth:Db,_fnScrollingWidthAdjust:Fb,_fnGetWidestNode:Eb,_fnGetMaxLenString:Gb,_fnStringToCss:s,_fnScrollBarWidth:Hb,_fnSortFlatten:T,_fnSort:lb,
+_fnSortAria:Jb,_fnSortListener:Ua,_fnSortAttachListener:Oa,_fnSortingClasses:xa,_fnSortData:Ib,_fnSaveState:ya,_fnLoadState:Kb,_fnSettingsFromNode:za,_fnLog:R,_fnMap:E,_fnBindAction:Va,_fnCallbackReg:z,_fnCallbackFire:w,_fnLengthOverflow:Sa,_fnRenderer:Pa,_fnDataSource:B,_fnRowAttributes:Ma,_fnCalculateEnd:function(){}});h.fn.dataTable=o;h.fn.dataTableSettings=o.settings;h.fn.dataTableExt=o.ext;h.fn.DataTable=function(a){return h(this).dataTable(a).api()};h.each(o,function(a,b){h.fn.DataTable[a]=
+b});return h.fn.dataTable};"function"===typeof define&&define.amd?define("datatables",["jquery"],O):"object"===typeof exports?module.exports=O(require("jquery")):jQuery&&!jQuery.fn.dataTable&&O(jQuery)})(window,document);

inst/www/shared/ionrangeslider/js/ion.rangeSlider.js

@@ -1,6 +1,7 @@
 // Ion.RangeSlider
-// version 2.0.3 Build: 293
-// © Denis Ineshin, 2014    https://github.com/IonDen
+// version 2.0.12 Build: 331
+// © Denis Ineshin, 2015
+// https://github.com/IonDen
 //
 // Project page:    http://ionden.com/a/plugins/ion.rangeSlider/en.html
 // GitHub page:     https://github.com/IonDen/ion.rangeSlider
@@ -17,6 +18,7 @@
 
     var plugin_count = 0;
 
+    // IE8 fix
     var is_old_ie = (function () {
         var n = navigator.userAgent,
             r = /msie\s\d+/i,
@@ -31,8 +33,6 @@
         }
         return false;
     } ());
-
-    // IE8 fix
     if (!Function.prototype.bind) {
         Function.prototype.bind = function bind(that) {
 
@@ -75,6 +75,34 @@
             return bound;
         };
     }
+    if (!Array.prototype.indexOf) {
+        Array.prototype.indexOf = function(searchElement, fromIndex) {
+            var k;
+            if (this == null) {
+                throw new TypeError('"this" is null or not defined');
+            }
+            var O = Object(this);
+            var len = O.length >>> 0;
+            if (len === 0) {
+                return -1;
+            }
+            var n = +fromIndex || 0;
+            if (Math.abs(n) === Infinity) {
+                n = 0;
+            }
+            if (n >= len) {
+                return -1;
+            }
+            k = Math.max(n >= 0 ? n : len - Math.abs(n), 0);
+            while (k < len) {
+                if (k in O && O[k] === searchElement) {
+                    return k;
+                }
+                k++;
+            }
+            return -1;
+        };
+    }
 
 
 
@@ -110,11 +138,12 @@
     // Core
 
     var IonRangeSlider = function (input, options, plugin_count) {
-        this.VERSION = "2.0.3";
+        this.VERSION = "2.0.12";
         this.input = input;
         this.plugin_count = plugin_count;
         this.current_plugin = 0;
         this.calc_count = 0;
+        this.update_tm = 0;
         this.old_from = 0;
         this.old_to = 0;
         this.raf_id = null;
@@ -146,6 +175,7 @@
             shad_single: null,
             shad_from: null,
             shad_to: null,
+            edge: null,
             grid: null,
             grid_labels: []
         };
@@ -202,6 +232,29 @@
             disable: $inp.data("disable")
         };
         data.values = data.values && data.values.split(",");
+
+        // get from and to out of input
+        var val = $inp.prop("value");
+        if (val) {
+            val = val.split(";");
+
+            if (val[0] && val[0] == +val[0]) {
+                val[0] = +val[0];
+            }
+            if (val[1] && val[1] == +val[1]) {
+                val[1] = +val[1];
+            }
+
+            if (options && options.values && options.values.length) {
+                data.from = val[0] && options.values.indexOf(val[0]);
+                data.to = val[1] && options.values.indexOf(val[1]);
+            } else {
+                data.from = val[0] && +val[0];
+                data.to = val[1] && +val[1];
+            }
+        }
+
+        // JS config has a priority
         options = $.extend(data, options);
 
         // get config from options
@@ -363,7 +416,6 @@
             }
 
             this.updateScene();
-            this.raf_id = requestAnimationFrame(this.updateScene.bind(this));
         },
 
         append: function () {
@@ -386,6 +438,7 @@
 
             if (this.options.type === "single") {
                 this.$cache.cont.append(single_html);
+                this.$cache.edge = this.$cache.cont.find(".irs-bar-edge");
                 this.$cache.s_single = this.$cache.cont.find(".single");
                 this.$cache.from[0].style.visibility = "hidden";
                 this.$cache.to[0].style.visibility = "hidden";
@@ -396,6 +449,8 @@
                 this.$cache.s_to = this.$cache.cont.find(".to");
                 this.$cache.shad_from = this.$cache.cont.find(".shadow-from");
                 this.$cache.shad_to = this.$cache.cont.find(".shadow-to");
+
+                this.setTopHandler();
             }
 
             if (this.options.hide_from_to) {
@@ -416,6 +471,19 @@
             }
         },
 
+        setTopHandler: function () {
+            var min = this.options.min,
+                max = this.options.max,
+                from = this.options.from,
+                to = this.options.to;
+
+            if (from > min && to === max) {
+                this.$cache.s_from.addClass("type_last");
+            } else if (to < max) {
+                this.$cache.s_to.addClass("type_last");
+            }
+        },
+
         appendDisableMask: function () {
             this.$cache.cont.append(disable_html);
             this.$cache.cont.addClass("irs-disabled");
@@ -470,6 +538,7 @@
                 this.$cache.shad_single.on("touchstart.irs_" + this.plugin_count, this.pointerClick.bind(this, "click"));
 
                 this.$cache.s_single.on("mousedown.irs_" + this.plugin_count, this.pointerDown.bind(this, "single"));
+                this.$cache.edge.on("mousedown.irs_" + this.plugin_count, this.pointerClick.bind(this, "click"));
                 this.$cache.shad_single.on("mousedown.irs_" + this.plugin_count, this.pointerClick.bind(this, "click"));
             } else {
                 this.$cache.s_from.on("touchstart.irs_" + this.plugin_count, this.pointerDown.bind(this, "from"));
@@ -530,27 +599,11 @@
             if (is_old_ie) {
                 $("*").prop("unselectable", false);
             }
+
+            this.updateScene();
         },
 
-        pointerDown: function (target, e) {
-            e.preventDefault();
-            e.stopPropagation();
-            var x = e.pageX || e.originalEvent.touches && e.originalEvent.touches[0].pageX;
-            if (e.button === 2) {
-                return;
-            }
-
-            this.current_plugin = this.plugin_count;
-            this.target = target;
-
-            this.is_active = true;
-            this.dragging = true;
-
-            this.coords.x_gap = this.$cache.rs.offset().left;
-            this.coords.x_pointer = x - this.coords.x_gap;
-
-            this.calcPointer();
-
+        changeLevel: function (target) {
             switch (target) {
                 case "single":
                     this.coords.p_gap = this.toFixed(this.coords.p_pointer - this.coords.p_single);
@@ -574,12 +627,35 @@
                     this.$cache.s_from.removeClass("type_last");
                     break;
             }
+        },
+
+        pointerDown: function (target, e) {
+            e.preventDefault();
+            e.stopPropagation();
+            var x = e.pageX || e.originalEvent.touches && e.originalEvent.touches[0].pageX;
+            if (e.button === 2) {
+                return;
+            }
+
+            this.current_plugin = this.plugin_count;
+            this.target = target;
+
+            this.is_active = true;
+            this.dragging = true;
+
+            this.coords.x_gap = this.$cache.rs.offset().left;
+            this.coords.x_pointer = x - this.coords.x_gap;
+
+            this.calcPointer();
+            this.changeLevel(target);
 
             if (is_old_ie) {
                 $("*").prop("unselectable", true);
             }
 
             this.$cache.line.trigger("focus");
+
+            this.updateScene();
         },
 
         pointerClick: function (target, e) {
@@ -629,7 +705,7 @@
             return true;
         },
 
-        // Move by key beta
+        // Move by key. Beta
         // TODO: refactor than have plenty of time
         moveByKey: function (right) {
             var p = this.coords.p_pointer;
@@ -701,7 +777,8 @@
                 real_x = this.toFixed(this.coords.p_pointer - this.coords.p_gap);
 
             if (this.target === "click") {
-                real_x = this.toFixed(this.coords.p_pointer - (this.coords.p_handle / 2));
+                this.coords.p_gap = this.coords.p_handle / 2;
+                real_x = this.toFixed(this.coords.p_pointer - this.coords.p_gap);
                 this.target = this.chooseHandle(real_x);
             }
 
@@ -777,6 +854,10 @@
                     break;
 
                 case "both":
+                    if (this.options.from_fixed || this.options.to_fixed) {
+                        break;
+                    }
+
                     real_x = this.toFixed(real_x + (this.coords.p_handle * 0.1));
 
                     this.coords.p_from_real = this.calcWithStep((real_x - this.coords.p_gap_left) / real_width * 100);
@@ -825,7 +906,7 @@
                 return;
             }
 
-            if (this.coords.x_pointer < 0) {
+            if (this.coords.x_pointer < 0 || isNaN(this.coords.x_pointer)  ) {
                 this.coords.x_pointer = 0;
             } else if (this.coords.x_pointer > this.coords.w_rs) {
                 this.coords.x_pointer = this.coords.w_rs;
@@ -840,9 +921,9 @@
             } else {
                 var m_point = this.coords.p_from_real + ((this.coords.p_to_real - this.coords.p_from_real) / 2);
                 if (real_x >= m_point) {
-                    return "to";
+                    return this.options.to_fixed ? "from" : "to";
                 } else {
-                    return "from";
+                    return this.options.from_fixed ? "to" : "from";
                 }
             }
         },
@@ -897,13 +978,25 @@
         // Drawings
 
         updateScene: function () {
+            if (this.raf_id) {
+                cancelAnimationFrame(this.raf_id);
+                this.raf_id = null;
+            }
+
+            clearTimeout(this.update_tm);
+            this.update_tm = null;
+
             if (!this.options) {
                 return;
             }
 
             this.drawHandles();
 
-            this.raf_id = requestAnimationFrame(this.updateScene.bind(this));
+            if (this.is_active) {
+                this.raf_id = requestAnimationFrame(this.updateScene.bind(this));
+            } else {
+                this.update_tm = setTimeout(this.updateScene.bind(this), 300);
+            }
         },
 
         drawHandles: function () {
@@ -1069,11 +1162,11 @@
                 } else {
 
                     if (this.options.decorate_both) {
-                        text_single = this.decorate(this._prettify(this.result.from));
+                        text_single = this.decorate(this._prettify(this.result.from), this.result.from);
                         text_single += this.options.values_separator;
-                        text_single += this.decorate(this._prettify(this.result.to));
+                        text_single += this.decorate(this._prettify(this.result.to), this.result.to);
                     } else {
-                        text_single = this.decorate(this._prettify(this.result.from) + this.options.values_separator + this._prettify(this.result.to), this.result.from);
+                        text_single = this.decorate(this._prettify(this.result.from) + this.options.values_separator + this._prettify(this.result.to), this.result.to);
                     }
                     text_from = this.decorate(this._prettify(this.result.from), this.result.from);
                     text_to = this.decorate(this._prettify(this.result.to), this.result.to);
@@ -1129,15 +1222,21 @@
         drawShadow: function () {
             var o = this.options,
                 c = this.$cache,
+
+                is_from_min = typeof o.from_min === "number" && !isNaN(o.from_min),
+                is_from_max = typeof o.from_max === "number" && !isNaN(o.from_max),
+                is_to_min = typeof o.to_min === "number" && !isNaN(o.to_min),
+                is_to_max = typeof o.to_max === "number" && !isNaN(o.to_max),
+
                 from_min,
                 from_max,
                 to_min,
                 to_max;
 
             if (o.type === "single") {
-                if (o.from_shadow && (o.from_min || o.from_max)) {
-                    from_min = this.calcPercent(o.from_min || o.min);
-                    from_max = this.calcPercent(o.from_max || o.max) - from_min;
+                if (o.from_shadow && (is_from_min || is_from_max)) {
+                    from_min = this.calcPercent(is_from_min ? o.from_min : o.min);
+                    from_max = this.calcPercent(is_from_max ? o.from_max : o.max) - from_min;
                     from_min = this.toFixed(from_min - (this.coords.p_handle / 100 * from_min));
                     from_max = this.toFixed(from_max - (this.coords.p_handle / 100 * from_max));
                     from_min = from_min + (this.coords.p_handle / 2);
@@ -1149,9 +1248,9 @@
                     c.shad_single[0].style.display = "none";
                 }
             } else {
-                if (o.from_shadow && (o.from_min || o.from_max)) {
-                    from_min = this.calcPercent(o.from_min || o.min);
-                    from_max = this.calcPercent(o.from_max || o.max) - from_min;
+                if (o.from_shadow && (is_from_min || is_from_max)) {
+                    from_min = this.calcPercent(is_from_min ? o.from_min : o.min);
+                    from_max = this.calcPercent(is_from_max ? o.from_max : o.max) - from_min;
                     from_min = this.toFixed(from_min - (this.coords.p_handle / 100 * from_min));
                     from_max = this.toFixed(from_max - (this.coords.p_handle / 100 * from_max));
                     from_min = from_min + (this.coords.p_handle / 2);
@@ -1163,9 +1262,9 @@
                     c.shad_from[0].style.display = "none";
                 }
 
-                if (o.to_shadow && (o.to_min || o.to_max)) {
-                    to_min = this.calcPercent(o.to_min || o.min);
-                    to_max = this.calcPercent(o.to_max || o.max) - to_min;
+                if (o.to_shadow && (is_to_min || is_to_max)) {
+                    to_min = this.calcPercent(is_to_min ? o.to_min : o.min);
+                    to_max = this.calcPercent(is_to_max ? o.to_max : o.max) - to_min;
                     to_min = this.toFixed(to_min - (this.coords.p_handle / 100 * to_min));
                     to_max = this.toFixed(to_max - (this.coords.p_handle / 100 * to_max));
                     to_min = to_min + (this.coords.p_handle / 2);
@@ -1198,22 +1297,48 @@
         calcReal: function (percent) {
             var min = this.options.min,
                 max = this.options.max,
+                min_decimals = min.toString().split(".")[1],
+                max_decimals = max.toString().split(".")[1],
+                min_length, max_length,
+                avg_decimals = 0,
                 abs = 0;
 
+            if (percent === 0) {
+                return this.options.min;
+            }
+            if (percent === 100) {
+                return this.options.max;
+            }
+
+
+            if (min_decimals) {
+                min_length = min_decimals.length;
+                avg_decimals = min_length;
+            }
+            if (max_decimals) {
+                max_length = max_decimals.length;
+                avg_decimals = max_length;
+            }
+            if (min_length && max_length) {
+                avg_decimals = (min_length >= max_length) ? min_length : max_length;
+            }
+
             if (min < 0) {
                 abs = Math.abs(min);
-                min = min + abs;
-                max = max + abs;
+                min = +(min + abs).toFixed(avg_decimals);
+                max = +(max + abs).toFixed(avg_decimals);
             }
 
             var number = ((max - min) / 100 * percent) + min,
-                string = this.options.step.toString().split(".")[1];
+                string = this.options.step.toString().split(".")[1],
+                result;
 
             if (string) {
                 number = +number.toFixed(string.length);
             } else {
                 number = number / this.options.step;
                 number = number * this.options.step;
+
                 number = +number.toFixed(0);
             }
 
@@ -1221,17 +1346,19 @@
                 number -= abs;
             }
 
-            if (number < this.options.min) {
-                number = this.options.min;
-            } else if (number > this.options.max) {
-                number = this.options.max;
+            if (string) {
+                result = +number.toFixed(string.length);
+            } else {
+                result = this.toFixed(number);
             }
 
-            if (string) {
-                return +number.toFixed(string.length);
-            } else {
-                return this.toFixed(number);
+            if (result < this.options.min) {
+                result = this.options.min;
+            } else if (result > this.options.max) {
+                result = this.options.max;
             }
+
+            return result;
         },
 
         calcWithStep: function (percent) {
@@ -1309,11 +1436,11 @@
             var num = this.calcReal(p_num),
                 o = this.options;
 
-            if (!min || typeof min !== "number") {
+            if (typeof min !== "number") {
                 min = o.min;
             }
 
-            if (!max || typeof max !== "number") {
+            if (typeof max !== "number") {
                 max = o.max;
             }
 
@@ -1329,7 +1456,7 @@
         },
 
         toFixed: function (num) {
-            num = num.toFixed(5);
+            num = num.toFixed(9);
             return +num;
         },
 
@@ -1426,16 +1553,28 @@
                 o.to = o.max;
             }
 
-            if (o.from < o.min || o.from > o.max) {
-                o.from = o.min;
-            }
+            if (o.type === "single") {
 
-            if (o.to > o.max || o.to < o.min) {
-                o.to = o.max;
-            }
+                if (o.from < o.min) {
+                    o.from = o.min;
+                }
+
+                if (o.from > o.max) {
+                    o.from = o.max;
+                }
+
+            } else {
+
+                if (o.from < o.min || o.from > o.max) {
+                    o.from = o.min;
+                }
+                if (o.to > o.max || o.to < o.min) {
+                    o.to = o.max;
+                }
+                if (o.from > o.to) {
+                    o.from = o.to;
+                }
 
-            if (o.type === "double" && o.from > o.to) {
-                o.from = o.to;
             }
 
             if (typeof o.step !== "number" || isNaN(o.step) || !o.step || o.step < 0) {
@@ -1446,19 +1585,19 @@
                 o.keyboard_step = 5;
             }
 
-            if (o.from_min && o.from < o.from_min) {
+            if (typeof o.from_min === "number" && o.from < o.from_min) {
                 o.from = o.from_min;
             }
 
-            if (o.from_max && o.from > o.from_max) {
+            if (typeof o.from_max === "number" && o.from > o.from_max) {
                 o.from = o.from_max;
             }
 
-            if (o.to_min && o.to < o.to_min) {
+            if (typeof o.to_min === "number" && o.to < o.to_min) {
                 o.to = o.to_min;
             }
 
-            if (o.to_max && o.from > o.to_max) {
+            if (typeof o.to_max === "number" && o.from > o.to_max) {
                 o.to = o.to_max;
             }
 
@@ -1604,6 +1743,7 @@
                 local_small_max = small_max;
 
                 big_w = this.toFixed(big_p * i);
+
                 if (big_w > 100) {
                     big_w = 100;
 
@@ -1672,15 +1812,15 @@
             }
 
             if (this.options.force_edges) {
-                if (start[0] < this.coords.grid_gap) {
-                    start[0] = this.coords.grid_gap;
+                if (start[0] < -this.coords.grid_gap) {
+                    start[0] = -this.coords.grid_gap;
                     finish[0] = this.toFixed(start[0] + this.coords.big_p[0]);
 
                     this.coords.big_x[0] = this.coords.grid_gap;
                 }
 
-                if (finish[num - 1] > 100 - this.coords.grid_gap) {
-                    finish[num - 1] = 100 - this.coords.grid_gap;
+                if (finish[num - 1] > 100 + this.coords.grid_gap) {
+                    finish[num - 1] = 100 + this.coords.grid_gap;
                     start[num - 1] = this.toFixed(finish[num - 1] - this.coords.big_p[num - 1]);
 
                     this.coords.big_x[num - 1] = this.toFixed(this.coords.big_p[num - 1] - this.coords.grid_gap);
@@ -1746,6 +1886,10 @@
         // Public methods
 
         update: function (options) {
+            if (!this.input) {
+                return;
+            }
+
             this.is_update = true;
 
             this.options.from = this.result.from;
@@ -1761,11 +1905,19 @@
         },
 
         reset: function () {
+            if (!this.input) {
+                return;
+            }
+
             this.updateResult();
             this.update();
         },
 
         destroy: function () {
+            if (!this.input) {
+                return;
+            }
+
             this.toggleInput();
             this.$cache.input.prop("readonly", false);
             $.data(this.input, "ionRangeSlider", null);

inst/www/shared/shiny.css

@@ -117,6 +117,35 @@ table.data td[align=right] {
   cursor: crosshair;
 }
 
+.grabbable {
+  cursor: grab;
+  cursor: -moz-grab;
+  cursor: -webkit-grab;
+}
+
+.grabbing {
+  cursor: grabbing;
+  cursor: -moz-grabbing;
+  cursor: -webkit-grabbing;
+}
+
+.ns-resize {
+  cursor: ns-resize;
+}
+
+.ew-resize {
+  cursor: ew-resize;
+}
+
+.nesw-resize {
+  cursor: nesw-resize;
+}
+
+.nwse-resize {
+  cursor: nwse-resize;
+}
+
+
 /* Workaround for Qt, which doesn't use font fallbacks */
 .qt pre, .qt code {
   font-family: monospace !important;

inst/www/shared/strftime/strftime-min.js

@@ -0,0 +1,12 @@
+(function(){function k(b,a){s[b]||(typeof console!=="undefined"&&typeof console.warn=="function"&&console.warn("[WARNING] "+b+" is deprecated and will be removed in version 1.0. Instead, use `"+a+"`."),s[b]=!0)}function t(b){b.localize=i.localize.bind(i);b.timezone=i.timezone.bind(i);b.utc=i.utc.bind(i)}function r(b,a,e){a&&a.days&&(e=a,a=void 0);e&&k("`"+g+"(format, [date], [locale])`","var s = "+g+".localize(locale); s(format, [date])");return(e?i.localize(e):i)(b,a)}function u(b,a,e){e?k("`"+g+
+".strftime(format, [date], [locale])`","var s = "+g+".localize(locale); s(format, [date])"):k("`"+g+".strftime(format, [date])`",g+"(format, [date])");return(e?i.localize(e):i)(b,a)}function p(b,a,e){function g(b,c,h,a){for(var d="",f=null,e=!1,i=b.length,j=!1,o=0;o<i;o++){var n=b.charCodeAt(o);if(e===!0)if(n===45)f="";else if(n===95)f=" ";else if(n===48)f="0";else if(n===58)j&&typeof console!=="undefined"&&typeof console.warn=="function"&&console.warn("[WARNING] detected use of unsupported %:: or %::: modifiers to strftime"),
+j=!0;else{switch(n){case 65:d+=h.days[c.getDay()];break;case 66:d+=h.months[c.getMonth()];break;case 67:d+=l(Math.floor(c.getFullYear()/100),f);break;case 68:d+=g(h.formats.D,c,h,a);break;case 70:d+=g(h.formats.F,c,h,a);break;case 72:d+=l(c.getHours(),f);break;case 73:d+=l(v(c.getHours()),f);break;case 76:d+=Math.floor(a%1E3)>99?Math.floor(a%1E3):Math.floor(a%1E3)>9?"0"+Math.floor(a%1E3):"00"+Math.floor(a%1E3);break;case 77:d+=l(c.getMinutes(),f);break;case 80:d+=c.getHours()<12?h.am:h.pm;break;case 82:d+=
+g(h.formats.R,c,h,a);break;case 83:d+=l(c.getSeconds(),f);break;case 84:d+=g(h.formats.T,c,h,a);break;case 85:d+=l(w(c,"sunday"),f);break;case 87:d+=l(w(c,"monday"),f);break;case 88:d+=g(h.formats.X,c,h,a);break;case 89:d+=c.getFullYear();break;case 90:k&&m===0?d+="GMT":(f=c.toString().match(/\(([\w\s]+)\)/),d+=f&&f[1]||"");break;case 97:d+=h.shortDays[c.getDay()];break;case 98:d+=h.shortMonths[c.getMonth()];break;case 99:d+=g(h.formats.c,c,h,a);break;case 100:d+=l(c.getDate(),f);break;case 101:d+=
+l(c.getDate(),f==null?" ":f);break;case 104:d+=h.shortMonths[c.getMonth()];break;case 106:f=new Date(c.getFullYear(),0,1);f=Math.ceil((c.getTime()-f.getTime())/864E5);d+=f>99?f:f>9?"0"+f:"00"+f;break;case 107:d+=l(c.getHours(),f==null?" ":f);break;case 108:d+=l(v(c.getHours()),f==null?" ":f);break;case 109:d+=l(c.getMonth()+1,f);break;case 110:d+="\n";break;case 111:d+=String(c.getDate())+A(c.getDate());break;case 112:d+=c.getHours()<12?h.AM:h.PM;break;case 114:d+=g(h.formats.r,c,h,a);break;case 115:d+=
+Math.floor(a/1E3);break;case 116:d+="\t";break;case 117:f=c.getDay();d+=f===0?7:f;break;case 118:d+=g(h.formats.v,c,h,a);break;case 119:d+=c.getDay();break;case 120:d+=g(h.formats.x,c,h,a);break;case 121:d+=(""+c.getFullYear()).slice(2);break;case 122:k&&m===0?d+=j?"+00:00":"+0000":(f=m!==0?m/6E4:-c.getTimezoneOffset(),e=j?":":"",n=Math.abs(f%60),d+=(f<0?"-":"+")+l(Math.floor(Math.abs(f/60)))+e+l(n));break;default:d+=b[o]}f=null;e=!1}else n===37?e=!0:d+=b[o]}return d}var i=b||x,m=a||0,k=e||!1,j=0,
+q,b=function(b,c){var a;c?(a=c.getTime(),k&&(c=new Date(c.getTime()+(c.getTimezoneOffset()||0)*6E4+m))):(a=Date.now(),a>j?(j=a,q=new Date(j),a=j,k&&(q=new Date(j+(q.getTimezoneOffset()||0)*6E4+m))):a=j,c=q);return g(b,c,i,a)};b.localize=function(a){return new p(a||i,m,k)};b.timezone=function(a){var c=m,b=k,e=typeof a;if(e==="number"||e==="string")b=!0,e==="string"?(c=a[0]==="-"?-1:1,e=parseInt(a.slice(1,3),10),a=parseInt(a.slice(3,5),10),c=c*(60*e+a)*6E4):e==="number"&&(c=a*6E4);return new p(i,c,
+b)};b.utc=function(){return new p(i,m,!0)};return b}function l(b,a){if(a===""||b>9)return b;a==null&&(a="0");return a+b}function v(b){if(b===0)return 12;else if(b>12)return b-12;return b}function w(b,a){var a=a||"sunday",e=b.getDay();a==="monday"&&(e===0?e=6:e--);var g=Date.UTC(b.getFullYear(),0,1),i=Date.UTC(b.getFullYear(),b.getMonth(),b.getDate());return Math.floor((Math.floor((i-g)/864E5)+7-e)/7)}function A(b){var a=b%10;b%=100;if(b>=11&&b<=13||a===0||a>=4)return"th";switch(a){case 1:return"st";
+case 2:return"nd";case 3:return"rd"}}var x={days:["Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"],shortDays:["Sun","Mon","Tue","Wed","Thu","Fri","Sat"],months:["January","February","March","April","May","June","July","August","September","October","November","December"],shortMonths:["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"],AM:"AM",PM:"PM",am:"am",pm:"pm",formats:{D:"%m/%d/%y",F:"%Y-%m-%d",R:"%H:%M",T:"%H:%M:%S",X:"%T",c:"%a %b %d %X %Y",r:"%I:%M:%S %p",
+v:"%e-%b-%Y",x:"%D"}},i=new p(x,0,!1),y=typeof module!=="undefined",j;y?(j=module.exports=r,j.strftime=u):(j=function(){return this||(0,eval)("this")}(),j.strftime=r);var g=y?"require('strftime')":"strftime",s={};j.strftimeTZ=function(b,a,e,j){if((typeof e=="number"||typeof e=="string")&&j==null)j=e,e=void 0;e?k("`"+g+".strftimeTZ(format, date, locale, tz)`","var s = "+g+".localize(locale).timezone(tz); s(format, [date])` or `var s = "+g+".localize(locale); s.timezone(tz)(format, [date])"):k("`"+
+g+".strftimeTZ(format, date, tz)`","var s = "+g+".timezone(tz); s(format, [date])` or `"+g+".timezone(tz)(format, [date])");return(e?i.localize(e):i).timezone(j)(b,a)};j.strftimeUTC=function(b,a,e){e?k("`"+g+".strftimeUTC(format, date, locale)`","var s = "+g+".localize(locale).utc(); s(format, [date])"):k("`"+g+".strftimeUTC(format, [date])`","var s = "+g+".utc(); s(format, [date])");return(e?z.localize(e):z)(b,a)};j.localizedStrftime=function(b){k("`"+g+".localizedStrftime(locale)`",g+".localize(locale)");
+return i.localize(b)};t(r);t(u);var z=i.utc();if(typeof Date.now!=="function")Date.now=function(){return+new Date}})();

man/Progress.Rd

@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.0): do not edit by hand
+% Generated by roxygen2 (4.1.1): do not edit by hand
 % Please edit documentation in R/progress.R
 \docType{data}
 \name{Progress}

man/absolutePanel.Rd

@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.0): do not edit by hand
+% Generated by roxygen2 (4.1.1): do not edit by hand
 % Please edit documentation in R/jqueryui.R
 \name{absolutePanel}
 \alias{absolutePanel}

man/actionButton.Rd

@@ -1,23 +1,25 @@
-% Generated by roxygen2 (4.1.0): do not edit by hand
-% Please edit documentation in R/bootstrap.R
+% Generated by roxygen2 (4.1.1): do not edit by hand
+% Please edit documentation in R/input-action.R
 \name{actionButton}
 \alias{actionButton}
 \alias{actionLink}
 \title{Action button/link}
 \usage{
-actionButton(inputId, label, icon = NULL, ...)
+actionButton(inputId, label, icon = NULL, width = NULL, ...)
 
 actionLink(inputId, label, icon = NULL, ...)
 }
 \arguments{
-\item{inputId}{Specifies the input slot that will be used to access the
-value.}
+\item{inputId}{The \code{input} slot that will be used to access the value.}
 
 \item{label}{The contents of the button or link--usually a text label, but
 you could also use any other HTML, like an image.}
 
 \item{icon}{An optional \code{\link{icon}} to appear on the button.}
 
+\item{width}{The width of the input, e.g. \code{'400px'}, or \code{'100\%'};
+see \code{\link{validateCssUnit}}.}
+
 \item{...}{Named attributes to be applied to the button or link.}
 }
 \description{

man/addResourcePath.Rd

@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.0): do not edit by hand
+% Generated by roxygen2 (4.1.1): do not edit by hand
 % Please edit documentation in R/server.R
 \name{addResourcePath}
 \alias{addResourcePath}

man/bootstrapPage.Rd

@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.0): do not edit by hand
+% Generated by roxygen2 (4.1.1): do not edit by hand
 % Please edit documentation in R/bootstrap.R
 \name{bootstrapPage}
 \alias{basicPage}

man/brushOpts.Rd

@@ -0,0 +1,49 @@
+% Generated by roxygen2 (4.1.1): do not edit by hand
+% Please edit documentation in R/image-interact-opts.R
+\name{brushOpts}
+\alias{brushOpts}
+\title{Create an object representing brushing options}
+\usage{
+brushOpts(id = NULL, fill = "#9cf", stroke = "#036", opacity = 0.25,
+  delay = 300, delayType = c("debounce", "throttle"), clip = TRUE,
+  direction = c("xy", "x", "y"), resetOnNew = FALSE)
+}
+\arguments{
+\item{id}{Input value name. For example, if the value is \code{"plot_brush"},
+then the coordinates will be available as \code{input$plot_brush}.}
+
+\item{fill}{Fill color of the brush.}
+
+\item{stroke}{Outline color of the brush.}
+
+\item{opacity}{Opacity of the brush}
+
+\item{delay}{How long to delay (in milliseconds) when debouncing or
+throttling, before sending the brush data to the server.}
+
+\item{delayType}{The type of algorithm for limiting the number of brush
+events. Use \code{"throttle"} to limit the number of brush events to one
+every \code{delay} milliseconds. Use \code{"debounce"} to suspend events
+while the cursor is moving, and wait until the cursor has been at rest for
+\code{delay} milliseconds before sending an event.}
+
+\item{clip}{Should the brush area be clipped to the plotting area? If FALSE,
+then the user will be able to brush outside the plotting area, as long as
+it is still inside the image.}
+
+\item{direction}{The direction for brushing. If \code{"xy"}, the brush can be
+drawn and moved in both x and y directions. If \code{"x"}, or \code{"y"},
+the brush wil work horizontally or vertically.}
+
+\item{resetOnNew}{When a new image is sent to the browser (via
+\code{\link{renderImage}}), should the brush be reset? The default,
+\code{FALSE}, is useful if you want to update the plot while keeping the
+brush. Using \code{TRUE} is useful if you want to clear the brush whenever
+the plot is updated.}
+}
+\description{
+This generates an object representing brushing options, to be passed as the
+\code{brush} argument of \code{\link{imageOutput}} or
+\code{\link{plotOutput}}.
+}
+

man/brushedPoints.Rd

@@ -0,0 +1,72 @@
+% Generated by roxygen2 (4.1.1): do not edit by hand
+% Please edit documentation in R/image-interact.R
+\name{brushedPoints}
+\alias{brushedPoints}
+\title{Find rows of data that are selected by a brush}
+\usage{
+brushedPoints(df, brush, xvar = NULL, yvar = NULL, panelvar1 = NULL,
+  panelvar2 = NULL, allRows = FALSE)
+}
+\arguments{
+\item{df}{A data frame from which to select rows.}
+
+\item{brush}{The data from a brush, such as \code{input$plot_brush}.}
+
+\item{xvar,yvar}{A string with the name of the variable on the x or y axis.
+This must also be the name of a column in \code{df}. If absent, then this
+function will try to infer the variable from the brush (only works for
+ggplot2).}
+
+\item{panelvar1,panelvar2}{Each of these is a string with the name of a panel
+variable. For example, if with ggplot2, you facet on a variable called
+\code{cyl}, then you can use \code{"cyl"} here. However, specifying the
+panel variable should not be necessary with ggplot2; Shiny should be able
+to auto-detect the panel variable.}
+
+\item{allRows}{If \code{FALSE} (the default) return a data frame containing
+  the selected rows. If \code{TRUE}, the input data frame will have a new
+  column, \code{selected_}, which indicates whether the row was inside the
+  brush (\code{TRUE}) or outside the brush (\code{FALSE}).}
+}
+\description{
+This function returns rows from a data frame which are under a brush used
+with \code{\link{plotOutput}}.
+}
+\details{
+It is also possible for this function to return all rows from the input data
+frame, but with an additional column \code{selected_}, which indicates which
+rows of the input data frame are selected by the brush (\code{TRUE} for
+selected, \code{FALSE} for not-selected). This is enabled by setting
+\code{allRows=TRUE} option.
+
+The \code{xvar}, \code{yvar}, \code{panelvar1}, and \code{panelvar2}
+arguments specify which columns in the data correspond to the x variable, y
+variable, and panel variables of the plot. For example, if your plot is
+\code{plot(x=cars$speed, y=cars$dist)}, and your brush is named
+\code{"cars_brush"}, then you would use \code{brushedPoints(cars,
+input$cars_brush, "speed", "dist")}.
+
+For plots created with ggplot2, it should not be necessary to specify the
+column names; that information will already be contained in the brush,
+provided that variables are in the original data, and not computed. For
+example, with \code{ggplot(cars, aes(x=speed, y=dist)) + geom_point()}, you
+could use \code{brushedPoints(cars, input$cars_brush)}. If, however, you use
+a computed column, like \code{ggplot(cars, aes(x=speed/2, y=dist)) +
+geom_point()}, then it will not be able to automatically extract column names
+and filter on them. If you want to use this function to filter data, it is
+recommended that you not use computed columns; instead, modify the data
+first, and then make the plot with "raw" columns in the modified data.
+
+If a specified x or y column is a factor, then it will be coerced to an
+integer vector. If it is a character vector, then it will be coerced to a
+factor and then integer vector. This means that the brush will be considered
+to cover a given character/factor value when it covers the center value.
+
+If the brush is operating in just the x or y directions (e.g., with
+\code{brushOpts(direction = "x")}, then this function will filter out points
+using just the x or y variable, whichever is appropriate.
+}
+\seealso{
+\code{\link{plotOutput}} for example usage.
+}
+

man/checkboxGroupInput.Rd

@@ -1,10 +1,11 @@
-% Generated by roxygen2 (4.1.0): do not edit by hand
-% Please edit documentation in R/bootstrap.R
+% Generated by roxygen2 (4.1.1): do not edit by hand
+% Please edit documentation in R/input-checkboxgroup.R
 \name{checkboxGroupInput}
 \alias{checkboxGroupInput}
 \title{Checkbox Group Input Control}
 \usage{
-checkboxGroupInput(inputId, label, choices, selected = NULL, inline = FALSE)
+checkboxGroupInput(inputId, label, choices, selected = NULL, inline = FALSE,
+  width = NULL)
 }
 \arguments{
 \item{inputId}{The \code{input} slot that will be used to access the value.}
@@ -17,6 +18,9 @@ are named then that name rather than the value is displayed to the user.}
 \item{selected}{The values that should be initially selected, if any.}
 
 \item{inline}{If \code{TRUE}, render the choices inline (i.e. horizontally)}
+
+\item{width}{The width of the input, e.g. \code{'400px'}, or \code{'100\%'};
+see \code{\link{validateCssUnit}}.}
 }
 \value{
 A list of HTML elements that can be added to a UI definition.

man/checkboxInput.Rd

@@ -1,10 +1,10 @@
-% Generated by roxygen2 (4.1.0): do not edit by hand
-% Please edit documentation in R/bootstrap.R
+% Generated by roxygen2 (4.1.1): do not edit by hand
+% Please edit documentation in R/input-checkbox.R
 \name{checkboxInput}
 \alias{checkboxInput}
 \title{Checkbox Input Control}
 \usage{
-checkboxInput(inputId, label, value = FALSE)
+checkboxInput(inputId, label, value = FALSE, width = NULL)
 }
 \arguments{
 \item{inputId}{The \code{input} slot that will be used to access the value.}
@@ -12,6 +12,9 @@ checkboxInput(inputId, label, value = FALSE)
 \item{label}{Display label for the control, or \code{NULL} for no label.}
 
 \item{value}{Initial value (\code{TRUE} or \code{FALSE}).}
+
+\item{width}{The width of the input, e.g. \code{'400px'}, or \code{'100\%'};
+see \code{\link{validateCssUnit}}.}
 }
 \value{
 A checkbox control that can be added to a UI definition.

man/clickOpts.Rd

@@ -0,0 +1,22 @@
+% Generated by roxygen2 (4.1.1): do not edit by hand
+% Please edit documentation in R/image-interact-opts.R
+\name{clickOpts}
+\alias{clickOpts}
+\title{Create an object representing click options}
+\usage{
+clickOpts(id = NULL, clip = TRUE)
+}
+\arguments{
+\item{id}{Input value name. For example, if the value is \code{"plot_click"},
+then the click coordinates will be available as \code{input$plot_click}.}
+
+\item{clip}{Should the click area be clipped to the plotting area? If FALSE,
+then the server will receive click events even when the mouse is outside
+the plotting area, as long as it is still inside the image.}
+}
+\description{
+This generates an object representing click options, to be passed as the
+\code{click} argument of \code{\link{imageOutput}} or
+\code{\link{plotOutput}}.
+}
+

man/column.Rd

@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.0): do not edit by hand
+% Generated by roxygen2 (4.1.1): do not edit by hand
 % Please edit documentation in R/bootstrap-layout.R
 \name{column}
 \alias{column}

man/conditionalPanel.Rd

@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.0): do not edit by hand
+% Generated by roxygen2 (4.1.1): do not edit by hand
 % Please edit documentation in R/bootstrap.R
 \name{conditionalPanel}
 \alias{conditionalPanel}

man/createWebDependency.Rd

@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.0): do not edit by hand
+% Generated by roxygen2 (4.1.1): do not edit by hand
 % Please edit documentation in R/html-deps.R
 \name{createWebDependency}
 \alias{createWebDependency}

man/dateInput.Rd

@@ -1,12 +1,12 @@
-% Generated by roxygen2 (4.1.0): do not edit by hand
-% Please edit documentation in R/bootstrap.R
+% Generated by roxygen2 (4.1.1): do not edit by hand
+% Please edit documentation in R/input-date.R
 \name{dateInput}
 \alias{dateInput}
 \title{Create date input}
 \usage{
 dateInput(inputId, label, value = NULL, min = NULL, max = NULL,
   format = "yyyy-mm-dd", startview = "month", weekstart = 0,
-  language = "en")
+  language = "en", width = NULL)
 }
 \arguments{
 \item{inputId}{The \code{input} slot that will be used to access the value.}
@@ -37,6 +37,9 @@ from 0 (Sunday) to 6 (Saturday).}
   "fr", "he", "hr", "hu", "id", "is", "it", "ja", "kr", "lt", "lv", "ms",
   "nb", "nl", "pl", "pt", "pt-BR", "ro", "rs", "rs-latin", "ru", "sk", "sl",
   "sv", "sw", "th", "tr", "uk", "zh-CN", and "zh-TW".}
+
+\item{width}{The width of the input, e.g. \code{'400px'}, or \code{'100\%'};
+see \code{\link{validateCssUnit}}.}
 }
 \description{
 Creates a text input which, when clicked on, brings up a calendar that

man/dateRangeInput.Rd

@@ -1,12 +1,12 @@
-% Generated by roxygen2 (4.1.0): do not edit by hand
-% Please edit documentation in R/bootstrap.R
+% Generated by roxygen2 (4.1.1): do not edit by hand
+% Please edit documentation in R/input-daterange.R
 \name{dateRangeInput}
 \alias{dateRangeInput}
 \title{Create date range input}
 \usage{
 dateRangeInput(inputId, label, start = NULL, end = NULL, min = NULL,
   max = NULL, format = "yyyy-mm-dd", startview = "month", weekstart = 0,
-  language = "en", separator = " to ")
+  language = "en", separator = " to ", width = NULL)
 }
 \arguments{
 \item{inputId}{The \code{input} slot that will be used to access the value.}
@@ -43,6 +43,9 @@ from 0 (Sunday) to 6 (Saturday).}
   "sv", "sw", "th", "tr", "uk", "zh-CN", and "zh-TW".}
 
 \item{separator}{String to display between the start and end input boxes.}
+
+\item{width}{The width of the input, e.g. \code{'400px'}, or \code{'100\%'};
+see \code{\link{validateCssUnit}}.}
 }
 \description{
 Creates a pair of text inputs which, when clicked on, bring up calendars that

man/dblclickOpts.Rd

@@ -0,0 +1,26 @@
+% Generated by roxygen2 (4.1.1): do not edit by hand
+% Please edit documentation in R/image-interact-opts.R
+\name{dblclickOpts}
+\alias{dblclickOpts}
+\title{Create an object representing double-click options}
+\usage{
+dblclickOpts(id = NULL, clip = TRUE, delay = 400)
+}
+\arguments{
+\item{id}{Input value name. For example, if the value is
+\code{"plot_dblclick"}, then the click coordinates will be available as
+\code{input$plot_dblclick}.}
+
+\item{clip}{Should the click area be clipped to the plotting area? If FALSE,
+then the server will receive double-click events even when the mouse is
+outside the plotting area, as long as it is still inside the image.}
+
+\item{delay}{Maximum delay (in ms) between a pair clicks for them to be
+counted as a double-click.}
+}
+\description{
+This generates an object representing dobule-click options, to be passed as
+the \code{dblclick} argument of \code{\link{imageOutput}} or
+\code{\link{plotOutput}}.
+}
+

man/domains.Rd

@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.0): do not edit by hand
+% Generated by roxygen2 (4.1.1): do not edit by hand
 % Please edit documentation in R/reactive-domains.R
 \name{domains}
 \alias{domains}

man/downloadButton.Rd

@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.0): do not edit by hand
+% Generated by roxygen2 (4.1.1): do not edit by hand
 % Please edit documentation in R/bootstrap.R
 \name{downloadButton}
 \alias{downloadButton}

man/downloadHandler.Rd

@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.0): do not edit by hand
+% Generated by roxygen2 (4.1.1): do not edit by hand
 % Please edit documentation in R/shinywrappers.R
 \name{downloadHandler}
 \alias{downloadHandler}

man/exprToFunction.Rd

@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.0): do not edit by hand
+% Generated by roxygen2 (4.1.1): do not edit by hand
 % Please edit documentation in R/utils.R
 \name{exprToFunction}
 \alias{exprToFunction}

man/fileInput.Rd

@@ -1,10 +1,10 @@
-% Generated by roxygen2 (4.1.0): do not edit by hand
-% Please edit documentation in R/bootstrap.R
+% Generated by roxygen2 (4.1.1): do not edit by hand
+% Please edit documentation in R/input-file.R
 \name{fileInput}
 \alias{fileInput}
 \title{File Upload Control}
 \usage{
-fileInput(inputId, label, multiple = FALSE, accept = NULL)
+fileInput(inputId, label, multiple = FALSE, accept = NULL, width = NULL)
 }
 \arguments{
 \item{inputId}{The \code{input} slot that will be used to access the value.}
@@ -17,6 +17,9 @@ Internet Explorer 9 and earlier.}}
 
 \item{accept}{A character vector of MIME types; gives the browser a hint of
   what kind of files the server is expecting.}
+
+\item{width}{The width of the input, e.g. \code{'400px'}, or \code{'100\%'};
+see \code{\link{validateCssUnit}}.}
 }
 \description{
 Create a file upload control that can be used to upload one or more files.

man/fixedPage.Rd

@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.0): do not edit by hand
+% Generated by roxygen2 (4.1.1): do not edit by hand
 % Please edit documentation in R/bootstrap-layout.R
 \name{fixedPage}
 \alias{fixedPage}

man/flowLayout.Rd

@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.0): do not edit by hand
+% Generated by roxygen2 (4.1.1): do not edit by hand
 % Please edit documentation in R/bootstrap-layout.R
 \name{flowLayout}
 \alias{flowLayout}
@@ -16,8 +16,8 @@ arguments will become HTML attributes on the outermost tag.}
 \description{
 Lays out elements in a left-to-right, top-to-bottom arrangement. The elements
 on a given row will be top-aligned with each other. This layout will not work
-well with elements that have a percentage-based width (e.g. `plotOutput` at
-its default setting of `width = "100%"`).
+well with elements that have a percentage-based width (e.g.
+\code{\link{plotOutput}} at its default setting of \code{width = "100\%"}).
 }
 \examples{
 flowLayout(

man/fluidPage.Rd

@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.0): do not edit by hand
+% Generated by roxygen2 (4.1.1): do not edit by hand
 % Please edit documentation in R/bootstrap-layout.R
 \name{fluidPage}
 \alias{fluidPage}

man/headerPanel.Rd

@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.0): do not edit by hand
+% Generated by roxygen2 (4.1.1): do not edit by hand
 % Please edit documentation in R/bootstrap.R
 \name{headerPanel}
 \alias{headerPanel}

man/helpText.Rd

@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.0): do not edit by hand
+% Generated by roxygen2 (4.1.1): do not edit by hand
 % Please edit documentation in R/bootstrap.R
 \name{helpText}
 \alias{helpText}

man/hoverOpts.Rd

@@ -0,0 +1,36 @@
+% Generated by roxygen2 (4.1.1): do not edit by hand
+% Please edit documentation in R/image-interact-opts.R
+\name{hoverOpts}
+\alias{hoverOpts}
+\title{Create an object representing hover options}
+\usage{
+hoverOpts(id = NULL, delay = 300, delayType = c("debounce", "throttle"),
+  clip = TRUE, nullOutside = TRUE)
+}
+\arguments{
+\item{id}{Input value name. For example, if the value is \code{"plot_hover"},
+then the hover coordinates will be available as \code{input$plot_hover}.}
+
+\item{delay}{How long to delay (in milliseconds) when debouncing or
+throttling, before sending the mouse location to the server.}
+
+\item{delayType}{The type of algorithm for limiting the number of hover
+events. Use \code{"throttle"} to limit the number of hover events to one
+every \code{delay} milliseconds. Use \code{"debounce"} to suspend events
+while the cursor is moving, and wait until the cursor has been at rest for
+\code{delay} milliseconds before sending an event.}
+
+\item{clip}{Should the hover area be clipped to the plotting area? If FALSE,
+then the server will receive hover events even when the mouse is outside
+the plotting area, as long as it is still inside the image.}
+
+\item{nullOutside}{If \code{TRUE} (the default), the value will be set to
+\code{NULL} when the mouse exits the plotting area. If \code{FALSE}, the
+value will stop changing when the cursor exits the plotting area.}
+}
+\description{
+This generates an object representing hovering options, to be passed as the
+\code{hover} argument of \code{\link{imageOutput}} or
+\code{\link{plotOutput}}.
+}
+

man/htmlOutput.Rd

@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.0): do not edit by hand
+% Generated by roxygen2 (4.1.1): do not edit by hand
 % Please edit documentation in R/bootstrap.R
 \name{htmlOutput}
 \alias{htmlOutput}

man/icon.Rd

@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.0): do not edit by hand
+% Generated by roxygen2 (4.1.1): do not edit by hand
 % Please edit documentation in R/bootstrap.R
 \name{icon}
 \alias{icon}

man/imageOutput.Rd

@@ -1,33 +0,0 @@
-% Generated by roxygen2 (4.1.0): do not edit by hand
-% Please edit documentation in R/bootstrap.R
-\name{imageOutput}
-\alias{imageOutput}
-\title{Create a image output element}
-\usage{
-imageOutput(outputId, width = "100\%", height = "400px", inline = FALSE)
-}
-\arguments{
-\item{outputId}{output variable to read the image from}
-
-\item{width}{Image width. Must be a valid CSS unit (like \code{"100\%"},
-\code{"400px"}, \code{"auto"}) or a number, which will be coerced to a
-string and have \code{"px"} appended.}
-
-\item{height}{Image height}
-
-\item{inline}{use an inline (\code{span()}) or block container (\code{div()})
-for the output}
-}
-\value{
-An image output element that can be included in a panel
-}
-\description{
-Render a \link{renderImage} within an application page.
-}
-\examples{
-# Show an image
-mainPanel(
-  imageOutput("dataImage")
-)
-}
-

man/inputPanel.Rd

@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.0): do not edit by hand
+% Generated by roxygen2 (4.1.1): do not edit by hand
 % Please edit documentation in R/bootstrap-layout.R
 \name{inputPanel}
 \alias{inputPanel}

man/installExprFunction.Rd

@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.0): do not edit by hand
+% Generated by roxygen2 (4.1.1): do not edit by hand
 % Please edit documentation in R/utils.R
 \name{installExprFunction}
 \alias{installExprFunction}

man/invalidateLater.Rd

@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.0): do not edit by hand
+% Generated by roxygen2 (4.1.1): do not edit by hand
 % Please edit documentation in R/reactives.R
 \name{invalidateLater}
 \alias{invalidateLater}

man/is.reactivevalues.Rd

@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.0): do not edit by hand
+% Generated by roxygen2 (4.1.1): do not edit by hand
 % Please edit documentation in R/reactives.R
 \name{is.reactivevalues}
 \alias{is.reactivevalues}

man/isolate.Rd

@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.0): do not edit by hand
+% Generated by roxygen2 (4.1.1): do not edit by hand
 % Please edit documentation in R/reactives.R
 \name{isolate}
 \alias{isolate}

man/knitr_methods.Rd

@@ -1,4 +1,4 @@
-% Generated by roxygen2 (4.1.0): do not edit by hand
+% Generated by roxygen2 (4.1.1): do not edit by hand
 % Please edit documentation in R/app.R
 \name{knitr_methods}
 \alias{knit_print.shiny.appobj}