mirror of
https://github.com/atom/atom.git
synced 2026-02-08 21:55:05 -05:00
518a71910d
Clicking below the last line of an editor now either moves the cursor to the end of the file or selects to the end of the file if shift is pressed.
1086 lines
38 KiB
CoffeeScript
1086 lines
38 KiB
CoffeeScript
{View, $$} = require 'space-pen'
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Buffer = require 'buffer'
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Gutter = require 'gutter'
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Point = require 'point'
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Range = require 'range'
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EditSession = require 'edit-session'
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CursorView = require 'cursor-view'
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SelectionView = require 'selection-view'
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Native = require 'native'
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fs = require 'fs'
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$ = require 'jquery'
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_ = require 'underscore'
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module.exports =
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class Editor extends View
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@idCounter: 1
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@configDefaults:
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fontSize: 20
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showInvisibles: false
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autosave: false
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@content: (params) ->
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@div class: @classes(params), tabindex: -1, =>
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@subview 'gutter', new Gutter
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@input class: 'hidden-input', outlet: 'hiddenInput'
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@div class: 'scroll-view', outlet: 'scrollView', =>
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@div class: 'overlayer', outlet: 'overlayer'
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@div class: 'lines', outlet: 'renderedLines'
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@div class: 'underlayer', outlet: 'underlayer'
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@div class: 'vertical-scrollbar', outlet: 'verticalScrollbar', =>
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@div outlet: 'verticalScrollbarContent'
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@classes: ({mini} = {}) ->
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classes = ['editor']
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classes.push 'mini' if mini
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classes.join(' ')
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vScrollMargin: 2
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hScrollMargin: 10
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lineHeight: null
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charWidth: null
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charHeight: null
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cursorViews: null
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selectionViews: null
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lineCache: null
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isFocused: false
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activeEditSession: null
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editSessions: null
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attached: false
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lineOverdraw: 10
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pendingChanges: null
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newCursors: null
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newSelections: null
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@deserialize: (state, rootView) ->
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editSessions = state.editSessions.map (state) -> EditSession.deserialize(state, rootView.project)
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editor = new Editor(editSession: editSessions[state.activeEditSessionIndex], mini: state.mini)
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editor.editSessions = editSessions
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editor.isFocused = state.isFocused
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editor
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initialize: ({editSession, @mini} = {}) ->
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requireStylesheet 'editor.css'
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@id = Editor.idCounter++
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@lineCache = []
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@configure()
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@bindKeys()
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@handleEvents()
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@cursorViews = []
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@selectionViews = []
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@editSessions = []
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@pendingChanges = []
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@newCursors = []
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@newSelections = []
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if editSession?
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@editSessions.push editSession
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@setActiveEditSessionIndex(0)
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else if @mini
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editSession = new EditSession
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buffer: new Buffer()
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softWrap: false
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tabLength: 2
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autoIndent: false
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softTabs: true
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@editSessions.push editSession
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@setActiveEditSessionIndex(0)
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else
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throw new Error("Editor initialization requires an editSession")
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serialize: ->
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@saveScrollPositionForActiveEditSession()
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viewClass: "Editor"
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editSessions: @editSessions.map (session) -> session.serialize()
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activeEditSessionIndex: @getActiveEditSessionIndex()
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isFocused: @isFocused
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copy: ->
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Editor.deserialize(@serialize(), @rootView())
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bindKeys: ->
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editorBindings =
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'core:move-left': @moveCursorLeft
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'core:move-right': @moveCursorRight
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'core:select-left': @selectLeft
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'core:select-right': @selectRight
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'core:select-all': @selectAll
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'core:backspace': @backspace
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'core:delete': @delete
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'core:undo': @undo
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'core:redo': @redo
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'core:cut': @cutSelection
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'core:copy': @copySelection
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'core:paste': @paste
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'editor:move-to-previous-word': @moveCursorToPreviousWord
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'editor:select-word': @selectWord
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'editor:newline': @insertNewline
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'editor:indent': @indent
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'editor:indent-selected-rows': @indentSelectedRows
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'editor:outdent-selected-rows': @outdentSelectedRows
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'editor:backspace-to-beginning-of-word': @backspaceToBeginningOfWord
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'editor:delete-to-end-of-word': @deleteToEndOfWord
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'editor:delete-line': @deleteLine
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'editor:cut-to-end-of-line': @cutToEndOfLine
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'editor:move-to-beginning-of-line': @moveCursorToBeginningOfLine
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'editor:move-to-end-of-line': @moveCursorToEndOfLine
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'editor:move-to-first-character-of-line': @moveCursorToFirstCharacterOfLine
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'editor:move-to-beginning-of-word': @moveCursorToBeginningOfWord
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'editor:move-to-end-of-word': @moveCursorToEndOfWord
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'editor:select-to-end-of-line': @selectToEndOfLine
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'editor:select-to-beginning-of-line': @selectToBeginningOfLine
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'editor:select-to-end-of-word': @selectToEndOfWord
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'editor:select-to-beginning-of-word': @selectToBeginningOfWord
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'editor:transpose': @transpose
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unless @mini
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_.extend editorBindings,
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'core:move-up': @moveCursorUp
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'core:move-down': @moveCursorDown
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'core:move-to-top': @moveCursorToTop
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'core:move-to-bottom': @moveCursorToBottom
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'core:page-down': @pageDown
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'core:page-up': @pageUp
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'core:select-up': @selectUp
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'core:select-down': @selectDown
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'core:select-to-top': @selectToTop
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'core:select-to-bottom': @selectToBottom
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'core:close': @close
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'editor:save': @save
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'editor:newline-below': @insertNewlineBelow
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'editor:toggle-soft-tabs': @toggleSoftTabs
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'editor:toggle-soft-wrap': @toggleSoftWrap
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'editor:fold-all': @foldAll
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'editor:unfold-all': @unfoldAll
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'editor:fold-current-row': @foldCurrentRow
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'editor:unfold-current-row': @unfoldCurrentRow
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'editor:fold-selection': @foldSelection
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'editor:split-left': @splitLeft
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'editor:split-right': @splitRight
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'editor:split-up': @splitUp
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'editor:split-down': @splitDown
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'editor:show-next-buffer': @loadNextEditSession
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'editor:show-previous-buffer': @loadPreviousEditSession
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'editor:toggle-line-comments': @toggleLineCommentsInSelection
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'editor:log-cursor-scope': @logCursorScope
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'editor:checkout-head-revision': @checkoutHead
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documentation = {}
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for name, method of editorBindings
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do (name, method) =>
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@command name, => method.call(this); false
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getCursor: (index) -> @activeEditSession.getCursor(index)
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getCursors: -> @activeEditSession.getCursors()
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getLastCursor: -> @activeEditSession.getLastCursor()
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addCursorAtScreenPosition: (screenPosition) -> @activeEditSession.addCursorAtScreenPosition(screenPosition)
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addCursorAtBufferPosition: (bufferPosition) -> @activeEditSession.addCursorAtBufferPosition(bufferPosition)
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moveCursorUp: -> @activeEditSession.moveCursorUp()
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moveCursorDown: -> @activeEditSession.moveCursorDown()
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moveCursorLeft: -> @activeEditSession.moveCursorLeft()
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moveCursorRight: -> @activeEditSession.moveCursorRight()
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moveCursorToBeginningOfWord: -> @activeEditSession.moveCursorToBeginningOfWord()
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moveCursorToEndOfWord: -> @activeEditSession.moveCursorToEndOfWord()
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moveCursorToTop: -> @activeEditSession.moveCursorToTop()
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moveCursorToBottom: -> @activeEditSession.moveCursorToBottom()
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moveCursorToBeginningOfLine: -> @activeEditSession.moveCursorToBeginningOfLine()
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moveCursorToFirstCharacterOfLine: -> @activeEditSession.moveCursorToFirstCharacterOfLine()
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moveCursorToEndOfLine: -> @activeEditSession.moveCursorToEndOfLine()
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setCursorScreenPosition: (position) -> @activeEditSession.setCursorScreenPosition(position)
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getCursorScreenPosition: -> @activeEditSession.getCursorScreenPosition()
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getCursorScreenRow: -> @activeEditSession.getCursorScreenRow()
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setCursorBufferPosition: (position, options) -> @activeEditSession.setCursorBufferPosition(position, options)
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getCursorBufferPosition: -> @activeEditSession.getCursorBufferPosition()
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getSelection: (index) -> @activeEditSession.getSelection(index)
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getSelections: -> @activeEditSession.getSelections()
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getSelectionsOrderedByBufferPosition: -> @activeEditSession.getSelectionsOrderedByBufferPosition()
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getLastSelectionInBuffer: -> @activeEditSession.getLastSelectionInBuffer()
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getSelectedText: -> @activeEditSession.getSelectedText()
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getSelectedBufferRanges: -> @activeEditSession.getSelectedBufferRanges()
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getSelectedBufferRange: -> @activeEditSession.getSelectedBufferRange()
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setSelectedBufferRange: (bufferRange, options) -> @activeEditSession.setSelectedBufferRange(bufferRange, options)
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setSelectedBufferRanges: (bufferRanges, options) -> @activeEditSession.setSelectedBufferRanges(bufferRanges, options)
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addSelectionForBufferRange: (bufferRange, options) -> @activeEditSession.addSelectionForBufferRange(bufferRange, options)
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selectRight: -> @activeEditSession.selectRight()
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selectLeft: -> @activeEditSession.selectLeft()
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selectUp: -> @activeEditSession.selectUp()
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selectDown: -> @activeEditSession.selectDown()
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selectToTop: -> @activeEditSession.selectToTop()
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selectToBottom: -> @activeEditSession.selectToBottom()
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selectAll: -> @activeEditSession.selectAll()
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selectToBeginningOfLine: -> @activeEditSession.selectToBeginningOfLine()
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selectToEndOfLine: -> @activeEditSession.selectToEndOfLine()
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selectToBeginningOfWord: -> @activeEditSession.selectToBeginningOfWord()
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selectToEndOfWord: -> @activeEditSession.selectToEndOfWord()
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selectWord: -> @activeEditSession.selectWord()
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selectToScreenPosition: (position) -> @activeEditSession.selectToScreenPosition(position)
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transpose: -> @activeEditSession.transpose()
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clearSelections: -> @activeEditSession.clearSelections()
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backspace: -> @activeEditSession.backspace()
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backspaceToBeginningOfWord: -> @activeEditSession.backspaceToBeginningOfWord()
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delete: -> @activeEditSession.delete()
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deleteToEndOfWord: -> @activeEditSession.deleteToEndOfWord()
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deleteLine: -> @activeEditSession.deleteLine()
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cutToEndOfLine: -> @activeEditSession.cutToEndOfLine()
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insertText: (text, options) -> @activeEditSession.insertText(text, options)
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insertNewline: -> @activeEditSession.insertNewline()
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insertNewlineBelow: -> @activeEditSession.insertNewlineBelow()
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indent: -> @activeEditSession.indent()
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indentSelectedRows: -> @activeEditSession.indentSelectedRows()
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outdentSelectedRows: -> @activeEditSession.outdentSelectedRows()
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cutSelection: -> @activeEditSession.cutSelectedText()
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copySelection: -> @activeEditSession.copySelectedText()
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paste: -> @activeEditSession.pasteText()
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undo: -> @activeEditSession.undo()
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redo: -> @activeEditSession.redo()
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createFold: (startRow, endRow) -> @activeEditSession.createFold(startRow, endRow)
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foldCurrentRow: -> @activeEditSession.foldCurrentRow()
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unfoldCurrentRow: -> @activeEditSession.unfoldCurrentRow()
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foldAll: -> @activeEditSession.foldAll()
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unfoldAll: -> @activeEditSession.unfoldAll()
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foldSelection: -> @activeEditSession.foldSelection()
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destroyFold: (foldId) -> @activeEditSession.destroyFold(foldId)
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destroyFoldsContainingBufferRow: (bufferRow) -> @activeEditSession.destroyFoldsContainingBufferRow(bufferRow)
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isFoldedAtScreenRow: (screenRow) -> @activeEditSession.isFoldedAtScreenRow(screenRow)
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lineForScreenRow: (screenRow) -> @activeEditSession.lineForScreenRow(screenRow)
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linesForScreenRows: (start, end) -> @activeEditSession.linesForScreenRows(start, end)
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screenLineCount: -> @activeEditSession.screenLineCount()
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setSoftWrapColumn: (softWrapColumn) ->
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softWrapColumn ?= @calcSoftWrapColumn()
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@activeEditSession.setSoftWrapColumn(softWrapColumn) if softWrapColumn
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maxScreenLineLength: -> @activeEditSession.maxScreenLineLength()
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getLastScreenRow: -> @activeEditSession.getLastScreenRow()
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clipScreenPosition: (screenPosition, options={}) -> @activeEditSession.clipScreenPosition(screenPosition, options)
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screenPositionForBufferPosition: (position, options) -> @activeEditSession.screenPositionForBufferPosition(position, options)
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bufferPositionForScreenPosition: (position, options) -> @activeEditSession.bufferPositionForScreenPosition(position, options)
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screenRangeForBufferRange: (range) -> @activeEditSession.screenRangeForBufferRange(range)
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bufferRangeForScreenRange: (range) -> @activeEditSession.bufferRangeForScreenRange(range)
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bufferRowsForScreenRows: (startRow, endRow) -> @activeEditSession.bufferRowsForScreenRows(startRow, endRow)
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getLastScreenRow: -> @activeEditSession.getLastScreenRow()
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logCursorScope: ->
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console.log @activeEditSession.scopesForBufferPosition(@getCursorBufferPosition())
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pageDown: ->
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newScrollTop = @scrollTop() + @scrollView[0].clientHeight
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@activeEditSession.moveCursorDown(@getPageRows())
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@scrollTop(newScrollTop, adjustVerticalScrollbar: true)
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pageUp: ->
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newScrollTop = @scrollTop() - @scrollView[0].clientHeight
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@activeEditSession.moveCursorUp(@getPageRows())
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@scrollTop(newScrollTop, adjustVerticalScrollbar: true)
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getPageRows: ->
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Math.max(1, Math.ceil(@scrollView[0].clientHeight / @lineHeight))
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setShowInvisibles: (showInvisibles) ->
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return if showInvisibles == @showInvisibles
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@showInvisibles = showInvisibles
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@resetDisplay()
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setInvisibles: (@invisibles={}) ->
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_.defaults @invisibles,
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eol: '\u00ac',
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space: '\u2022',
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tab: '\u00bb'
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@resetDisplay()
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checkoutHead: -> @getBuffer().checkoutHead()
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setText: (text) -> @getBuffer().setText(text)
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getText: -> @getBuffer().getText()
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getPath: -> @getBuffer().getPath()
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getLineCount: -> @getBuffer().getLineCount()
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getLastBufferRow: -> @getBuffer().getLastRow()
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getTextInRange: (range) -> @getBuffer().getTextInRange(range)
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getEofPosition: -> @getBuffer().getEofPosition()
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lineForBufferRow: (row) -> @getBuffer().lineForRow(row)
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lineLengthForBufferRow: (row) -> @getBuffer().lineLengthForRow(row)
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rangeForBufferRow: (row) -> @getBuffer().rangeForRow(row)
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scanInRange: (args...) -> @getBuffer().scanInRange(args...)
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backwardsScanInRange: (args...) -> @getBuffer().backwardsScanInRange(args...)
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configure: ->
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@observeConfig 'editor.showInvisibles', (showInvisibles) => @setShowInvisibles(showInvisibles)
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@observeConfig 'editor.invisibles', (invisibles) => @setInvisibles(invisibles)
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@observeConfig 'editor.fontSize', (fontSize) => @setFontSize(fontSize)
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handleEvents: ->
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@on 'focus', =>
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@hiddenInput.focus()
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false
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@hiddenInput.on 'focus', =>
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@rootView()?.editorFocused(this)
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@isFocused = true
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@addClass 'focused'
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@hiddenInput.on 'focusout', =>
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@isFocused = false
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@removeClass 'focused'
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@autosave() if config.get "editor.autosave"
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@scrollView.on 'click', (e) =>
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return unless e.target is @scrollView[0]
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return unless e.offsetY > @overlayer.height()
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if e.shiftKey
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@selectToBottom()
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else
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@moveCursorToBottom()
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@overlayer.on 'mousedown', (e) =>
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@overlayer.hide()
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clickedElement = document.elementFromPoint(e.pageX, e.pageY)
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@overlayer.show()
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e.target = clickedElement
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$(clickedElement).trigger(e)
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@renderedLines.on 'mousedown', '.fold.line', (e) =>
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@destroyFold($(e.currentTarget).attr('fold-id'))
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false
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@renderedLines.on 'mousedown', (e) =>
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clickCount = e.originalEvent.detail
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screenPosition = @screenPositionFromMouseEvent(e)
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if clickCount == 1
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if e.metaKey
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@addCursorAtScreenPosition(screenPosition)
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else if e.shiftKey
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@selectToScreenPosition(screenPosition)
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else
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@setCursorScreenPosition(screenPosition)
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else if clickCount == 2
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@activeEditSession.selectWord() unless e.shiftKey
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else if clickCount == 3
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@activeEditSession.selectLine() unless e.shiftKey
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@selectOnMousemoveUntilMouseup()
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@on "textInput", (e) =>
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@insertText(e.originalEvent.data, autoIndent: true)
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false
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@scrollView.on 'mousewheel', (e) =>
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if delta = e.originalEvent.wheelDeltaY
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@scrollTop(@scrollTop() - delta)
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false
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@verticalScrollbar.on 'scroll', =>
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@scrollTop(@verticalScrollbar.scrollTop(), adjustVerticalScrollbar: false)
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unless @mini
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@gutter.widthChanged = (newWidth) =>
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@scrollView.css('left', newWidth + 'px')
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@scrollView.on 'scroll', =>
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if @scrollView.scrollLeft() == 0
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@gutter.removeClass('drop-shadow')
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else
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@gutter.addClass('drop-shadow')
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selectOnMousemoveUntilMouseup: ->
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lastMoveEvent = null
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moveHandler = (event = lastMoveEvent) =>
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if event
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@selectToScreenPosition(@screenPositionFromMouseEvent(event))
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lastMoveEvent = event
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$(document).on 'mousemove', moveHandler
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interval = setInterval(moveHandler, 20)
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$(document).one 'mouseup', =>
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clearInterval(interval)
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$(document).off 'mousemove', moveHandler
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reverse = @activeEditSession.getLastSelection().isReversed()
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@activeEditSession.mergeIntersectingSelections({reverse})
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@activeEditSession.finalizeSelections()
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@syncCursorAnimations()
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afterAttach: (onDom) ->
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return if @attached or not onDom
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@attached = true
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@calculateDimensions()
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@hiddenInput.width(@charWidth)
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@setSoftWrapColumn() if @activeEditSession.getSoftWrap()
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$(window).on "resize.editor#{@id}", => @requestDisplayUpdate()
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@focus() if @isFocused
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@resetDisplay()
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@trigger 'editor-open', [this]
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edit: (editSession) ->
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index = @editSessions.indexOf(editSession)
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if index == -1
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index = @editSessions.length
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@editSessions.push(editSession)
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@trigger 'editor:edit-session-added', [editSession, index]
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@setActiveEditSessionIndex(index)
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getBuffer: -> @activeEditSession.buffer
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destroyActiveEditSession: ->
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@destroyEditSessionIndex(@getActiveEditSessionIndex())
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destroyEditSessionIndex: (index) ->
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if @editSessions.length == 1
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@remove()
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else
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editSession = @editSessions[index]
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if index is @getActiveEditSessionIndex()
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@loadPreviousEditSession()
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_.remove(@editSessions, editSession)
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editSession.destroy()
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@trigger 'editor:edit-session-removed', [editSession, index]
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loadNextEditSession: ->
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nextIndex = (@getActiveEditSessionIndex() + 1) % @editSessions.length
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@setActiveEditSessionIndex(nextIndex)
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loadPreviousEditSession: ->
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previousIndex = @getActiveEditSessionIndex() - 1
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previousIndex = @editSessions.length - 1 if previousIndex < 0
|
|
@setActiveEditSessionIndex(previousIndex)
|
|
|
|
getActiveEditSessionIndex: ->
|
|
return index for session, index in @editSessions when session == @activeEditSession
|
|
|
|
setActiveEditSessionIndex: (index) ->
|
|
throw new Error("Edit session not found") unless @editSessions[index]
|
|
|
|
if @activeEditSession
|
|
@autosave() if config.get "editor.autosave"
|
|
@saveScrollPositionForActiveEditSession()
|
|
@activeEditSession.off(".editor")
|
|
|
|
@activeEditSession = @editSessions[index]
|
|
@activeEditSession.setVisible(true)
|
|
|
|
@activeEditSession.on "contents-conflicted.editor", =>
|
|
@showBufferConflictAlert(@activeEditSession)
|
|
|
|
@activeEditSession.on "buffer-path-change.editor", =>
|
|
@trigger 'editor-path-change'
|
|
|
|
@trigger 'editor-path-change'
|
|
@trigger 'editor:active-edit-session-changed', [@activeEditSession, index]
|
|
@resetDisplay()
|
|
|
|
if @attached and @activeEditSession.buffer.isInConflict()
|
|
setTimeout(( =>@showBufferConflictAlert(@activeEditSession)), 0) # Display after editSession has a chance to display
|
|
|
|
showBufferConflictAlert: (editSession) ->
|
|
atom.confirm(
|
|
editSession.getPath(),
|
|
"Has changed on disk. Do you want to reload it?",
|
|
"Reload", (=> editSession.buffer.reload()),
|
|
"Cancel"
|
|
)
|
|
|
|
activateEditSessionForPath: (path) ->
|
|
for editSession, index in @editSessions
|
|
if editSession.buffer.getPath() == path
|
|
@setActiveEditSessionIndex(index)
|
|
return @activeEditSession
|
|
false
|
|
|
|
getOpenBufferPaths: ->
|
|
editSession.buffer.getPath() for editSession in @editSessions when editSession.buffer.getPath()?
|
|
|
|
scrollTop: (scrollTop, options={}) ->
|
|
return @cachedScrollTop or 0 unless scrollTop?
|
|
maxScrollTop = @verticalScrollbar.prop('scrollHeight') - @verticalScrollbar.height()
|
|
scrollTop = Math.floor(Math.max(0, Math.min(maxScrollTop, scrollTop)))
|
|
return if scrollTop == @cachedScrollTop
|
|
@cachedScrollTop = scrollTop
|
|
|
|
@updateDisplay() if @attached
|
|
|
|
@renderedLines.css('top', -scrollTop)
|
|
@underlayer.css('top', -scrollTop)
|
|
@overlayer.css('top', -scrollTop)
|
|
@gutter.lineNumbers.css('top', -scrollTop)
|
|
if options?.adjustVerticalScrollbar ? true
|
|
@verticalScrollbar.scrollTop(scrollTop)
|
|
|
|
scrollBottom: (scrollBottom) ->
|
|
if scrollBottom?
|
|
@scrollTop(scrollBottom - @scrollView.height())
|
|
else
|
|
@scrollTop() + @scrollView.height()
|
|
|
|
scrollToBottom: ->
|
|
@scrollBottom(@screenLineCount() * @lineHeight)
|
|
|
|
scrollToBufferPosition: (bufferPosition, options) ->
|
|
@scrollToPixelPosition(@pixelPositionForBufferPosition(bufferPosition), options)
|
|
|
|
scrollToScreenPosition: (screenPosition, options) ->
|
|
@scrollToPixelPosition(@pixelPositionForScreenPosition(screenPosition), options)
|
|
|
|
scrollToPixelPosition: (pixelPosition, options) ->
|
|
return unless @attached
|
|
@scrollVertically(pixelPosition, options)
|
|
@scrollHorizontally(pixelPosition)
|
|
|
|
scrollVertically: (pixelPosition, {center}={}) ->
|
|
scrollViewHeight = @scrollView.height()
|
|
scrollTop = @scrollTop()
|
|
scrollBottom = scrollTop + scrollViewHeight
|
|
|
|
if center
|
|
unless scrollTop < pixelPosition.top < scrollBottom
|
|
@scrollTop(pixelPosition.top - (scrollViewHeight / 2))
|
|
else
|
|
linesInView = @scrollView.height() / @lineHeight
|
|
maxScrollMargin = Math.floor((linesInView - 1) / 2)
|
|
scrollMargin = Math.min(@vScrollMargin, maxScrollMargin)
|
|
margin = scrollMargin * @lineHeight
|
|
desiredTop = pixelPosition.top - margin
|
|
desiredBottom = pixelPosition.top + @lineHeight + margin
|
|
if desiredBottom > scrollBottom
|
|
@scrollTop(desiredBottom - scrollViewHeight)
|
|
else if desiredTop < scrollTop
|
|
@scrollTop(desiredTop)
|
|
|
|
scrollHorizontally: (pixelPosition) ->
|
|
return if @activeEditSession.getSoftWrap()
|
|
|
|
charsInView = @scrollView.width() / @charWidth
|
|
maxScrollMargin = Math.floor((charsInView - 1) / 2)
|
|
scrollMargin = Math.min(@hScrollMargin, maxScrollMargin)
|
|
margin = scrollMargin * @charWidth
|
|
desiredRight = pixelPosition.left + @charWidth + margin
|
|
desiredLeft = pixelPosition.left - margin
|
|
|
|
if desiredRight > @scrollView.scrollRight()
|
|
@scrollView.scrollRight(desiredRight)
|
|
else if desiredLeft < @scrollView.scrollLeft()
|
|
@scrollView.scrollLeft(desiredLeft)
|
|
|
|
highlightFoldsContainingBufferRange: (bufferRange) ->
|
|
screenLines = @linesForScreenRows(@firstRenderedScreenRow, @lastRenderedScreenRow)
|
|
for screenLine, i in screenLines
|
|
if fold = screenLine.fold
|
|
screenRow = @firstRenderedScreenRow + i
|
|
element = @lineElementForScreenRow(screenRow)
|
|
|
|
if bufferRange.intersectsWith(fold.getBufferRange())
|
|
element.addClass('selected')
|
|
else
|
|
element.removeClass('selected')
|
|
|
|
setScrollPositionFromActiveEditSession: ->
|
|
@scrollTop(@activeEditSession.scrollTop ? 0)
|
|
@scrollView.scrollLeft(@activeEditSession.scrollLeft ? 0)
|
|
|
|
saveScrollPositionForActiveEditSession: ->
|
|
@activeEditSession.setScrollTop(@scrollTop())
|
|
@activeEditSession.setScrollLeft(@scrollView.scrollLeft())
|
|
|
|
toggleSoftTabs: ->
|
|
@activeEditSession.setSoftTabs(not @activeEditSession.softTabs)
|
|
|
|
toggleSoftWrap: ->
|
|
@setSoftWrap(not @activeEditSession.getSoftWrap())
|
|
|
|
calcSoftWrapColumn: ->
|
|
if @activeEditSession.getSoftWrap()
|
|
Math.floor(@scrollView.width() / @charWidth)
|
|
else
|
|
Infinity
|
|
|
|
setSoftWrap: (softWrap, softWrapColumn=undefined) ->
|
|
@activeEditSession.setSoftWrap(softWrap)
|
|
@setSoftWrapColumn(softWrapColumn) if @attached
|
|
if @activeEditSession.getSoftWrap()
|
|
@addClass 'soft-wrap'
|
|
@_setSoftWrapColumn = => @setSoftWrapColumn()
|
|
$(window).on "resize.editor#{@id}", @_setSoftWrapColumn
|
|
else
|
|
@removeClass 'soft-wrap'
|
|
$(window).off 'resize', @_setSoftWrapColumn
|
|
|
|
save: (onSuccess) ->
|
|
if @getPath()
|
|
@activeEditSession.save()
|
|
onSuccess?()
|
|
else
|
|
atom.showSaveDialog (path) =>
|
|
if path
|
|
@activeEditSession.saveAs(path)
|
|
onSuccess?()
|
|
|
|
autosave: ->
|
|
@save() if @getPath()?
|
|
|
|
setFontSize: (@fontSize) ->
|
|
if fontSize?
|
|
@css('font-size', fontSize + 'px')
|
|
return unless @attached
|
|
@calculateDimensions()
|
|
@updatePaddingOfRenderedLines()
|
|
@updateLayerDimensions()
|
|
@requestDisplayUpdate()
|
|
|
|
getFontSize: -> @fontSize
|
|
|
|
newSplitEditor: ->
|
|
new Editor { editSession: @activeEditSession.copy() }
|
|
|
|
splitLeft: ->
|
|
@pane()?.splitLeft(@newSplitEditor()).wrappedView
|
|
|
|
splitRight: ->
|
|
@pane()?.splitRight(@newSplitEditor()).wrappedView
|
|
|
|
splitUp: ->
|
|
@pane()?.splitUp(@newSplitEditor()).wrappedView
|
|
|
|
splitDown: ->
|
|
@pane()?.splitDown(@newSplitEditor()).wrappedView
|
|
|
|
pane: ->
|
|
@parent('.pane').view()
|
|
|
|
rootView: ->
|
|
@parents('#root-view').view()
|
|
|
|
close: ->
|
|
return if @mini
|
|
if @getBuffer().isModified()
|
|
filename = if @getPath() then fs.base(@getPath()) else "untitled buffer"
|
|
atom.confirm(
|
|
"'#{filename}' has changes, do you want to save them?"
|
|
"Your changes will be lost if you don't save them"
|
|
"Save", (=> @save(=> @destroyActiveEditSession())),
|
|
"Cancel", null
|
|
"Don't save", (=> @destroyActiveEditSession())
|
|
)
|
|
else
|
|
@destroyActiveEditSession()
|
|
|
|
remove: (selector, keepData) ->
|
|
return super if keepData
|
|
|
|
@trigger 'before-remove'
|
|
|
|
@destroyEditSessions()
|
|
|
|
$(window).off ".editor#{@id}"
|
|
rootView = @rootView()
|
|
rootView?.off ".editor#{@id}"
|
|
if @pane() then @pane().remove() else super
|
|
rootView?.focus()
|
|
|
|
getEditSessions: ->
|
|
new Array(@editSessions...)
|
|
|
|
destroyEditSessions: ->
|
|
for session in @getEditSessions()
|
|
session.destroy()
|
|
|
|
getCursorView: (index) ->
|
|
index ?= @cursorViews.length - 1
|
|
@cursorViews[index]
|
|
|
|
getCursorViews: ->
|
|
new Array(@cursorViews...)
|
|
|
|
addCursorView: (cursor, options) ->
|
|
cursorView = new CursorView(cursor, this, options)
|
|
@cursorViews.push(cursorView)
|
|
@overlayer.append(cursorView)
|
|
cursorView
|
|
|
|
removeCursorView: (cursorView) ->
|
|
_.remove(@cursorViews, cursorView)
|
|
|
|
getSelectionView: (index) ->
|
|
index ?= @selectionViews.length - 1
|
|
@selectionViews[index]
|
|
|
|
getSelectionViews: ->
|
|
new Array(@selectionViews...)
|
|
|
|
addSelectionView: (selection) ->
|
|
selectionView = new SelectionView({editor: this, selection})
|
|
@selectionViews.push(selectionView)
|
|
@underlayer.append(selectionView)
|
|
selectionView
|
|
|
|
removeSelectionView: (selectionView) ->
|
|
_.remove(@selectionViews, selectionView)
|
|
|
|
removeAllCursorAndSelectionViews: ->
|
|
cursorView.remove() for cursorView in @getCursorViews()
|
|
selectionView.remove() for selectionView in @getSelectionViews()
|
|
|
|
appendToLinesView: (view) ->
|
|
@overlayer.append(view)
|
|
|
|
calculateDimensions: ->
|
|
fragment = $('<pre class="line" style="position: absolute; visibility: hidden;"><span>x</span></div>')
|
|
@renderedLines.append(fragment)
|
|
|
|
lineRect = fragment[0].getBoundingClientRect()
|
|
charRect = fragment.find('span')[0].getBoundingClientRect()
|
|
@lineHeight = lineRect.height
|
|
@charWidth = charRect.width
|
|
@charHeight = charRect.height
|
|
@height(@lineHeight) if @mini
|
|
fragment.remove()
|
|
|
|
updateLayerDimensions: ->
|
|
@gutter.calculateWidth()
|
|
|
|
height = @lineHeight * @screenLineCount()
|
|
unless @layerHeight == height
|
|
@renderedLines.height(height)
|
|
@underlayer.height(height)
|
|
@overlayer.height(height)
|
|
@layerHeight = height
|
|
|
|
@verticalScrollbarContent.height(height)
|
|
@scrollBottom(height) if @scrollBottom() > height
|
|
|
|
minWidth = @charWidth * @maxScreenLineLength() + 20
|
|
unless @layerMinWidth == minWidth
|
|
@renderedLines.css('min-width', minWidth)
|
|
@underlayer.css('min-width', minWidth)
|
|
@overlayer.css('min-width', minWidth)
|
|
@layerMinWidth = minWidth
|
|
|
|
clearRenderedLines: ->
|
|
@renderedLines.empty()
|
|
@firstRenderedScreenRow = null
|
|
@lastRenderedScreenRow = null
|
|
|
|
resetDisplay: ->
|
|
return unless @attached
|
|
|
|
@clearRenderedLines()
|
|
@removeAllCursorAndSelectionViews()
|
|
@updateLayerDimensions()
|
|
@setScrollPositionFromActiveEditSession()
|
|
|
|
@activeEditSession.on 'add-selection.editor', (selection) =>
|
|
@newCursors.push(selection.cursor)
|
|
@newSelections.push(selection)
|
|
@requestDisplayUpdate()
|
|
|
|
@activeEditSession.on 'screen-lines-change.editor', (e) => @handleScreenLinesChange(e)
|
|
|
|
@newCursors = @activeEditSession.getCursors()
|
|
@newSelections = @activeEditSession.getSelections()
|
|
@updateDisplay(suppressAutoScroll: true)
|
|
|
|
requestDisplayUpdate: ()->
|
|
return if @pendingDisplayUpdate
|
|
@pendingDisplayUpdate = true
|
|
_.nextTick =>
|
|
@updateDisplay()
|
|
@pendingDisplayUpdate = false
|
|
|
|
updateDisplay: (options={}) ->
|
|
return unless @attached
|
|
@updateRenderedLines()
|
|
@highlightCursorLine()
|
|
@updateCursorViews()
|
|
@updateSelectionViews()
|
|
@autoscroll(options)
|
|
|
|
updateCursorViews: ->
|
|
if @newCursors.length > 0
|
|
@addCursorView(cursor) for cursor in @newCursors
|
|
@syncCursorAnimations()
|
|
@newCursors = []
|
|
|
|
for cursorView in @getCursorViews()
|
|
if cursorView.needsRemoval
|
|
cursorView.remove()
|
|
else if cursorView.needsUpdate
|
|
cursorView.updateDisplay()
|
|
|
|
updateSelectionViews: ->
|
|
if @newSelections.length > 0
|
|
@addSelectionView(selection) for selection in @newSelections
|
|
@newSelections = []
|
|
|
|
for selectionView in @getSelectionViews()
|
|
if selectionView.destroyed
|
|
selectionView.remove()
|
|
else
|
|
selectionView.updateDisplay()
|
|
|
|
syncCursorAnimations: ->
|
|
for cursorView in @getCursorViews()
|
|
do (cursorView) -> cursorView.resetBlinking()
|
|
|
|
autoscroll: (options={}) ->
|
|
for cursorView in @getCursorViews() when cursorView.needsAutoscroll()
|
|
@scrollToPixelPosition(cursorView.getPixelPosition()) unless options.suppressAutoScroll
|
|
cursorView.autoscrolled()
|
|
|
|
for selectionView in @getSelectionViews() when selectionView.needsAutoscroll()
|
|
@scrollToPixelPosition(selectionView.getCenterPixelPosition(), center: true)
|
|
selectionView.autoscrolled()
|
|
|
|
updateRenderedLines: ->
|
|
firstVisibleScreenRow = @getFirstVisibleScreenRow()
|
|
lastVisibleScreenRow = @getLastVisibleScreenRow()
|
|
|
|
if @firstRenderedScreenRow? and firstVisibleScreenRow >= @firstRenderedScreenRow and lastVisibleScreenRow <= @lastRenderedScreenRow
|
|
renderFrom = @firstRenderedScreenRow
|
|
renderTo = Math.min(@getLastScreenRow(), @lastRenderedScreenRow)
|
|
else
|
|
renderFrom = Math.max(0, firstVisibleScreenRow - @lineOverdraw)
|
|
renderTo = Math.min(@getLastScreenRow(), lastVisibleScreenRow + @lineOverdraw)
|
|
|
|
if @pendingChanges.length == 0 and @firstRenderedScreenRow and @firstRenderedScreenRow <= renderFrom and renderTo <= @lastRenderedScreenRow
|
|
return
|
|
|
|
@gutter.updateLineNumbers(@pendingChanges, renderFrom, renderTo)
|
|
intactRanges = @computeIntactRanges()
|
|
@pendingChanges = []
|
|
@truncateIntactRanges(intactRanges, renderFrom, renderTo)
|
|
@clearDirtyRanges(intactRanges)
|
|
@fillDirtyRanges(intactRanges, renderFrom, renderTo)
|
|
@firstRenderedScreenRow = renderFrom
|
|
@lastRenderedScreenRow = renderTo
|
|
@updateLayerDimensions()
|
|
@updatePaddingOfRenderedLines()
|
|
|
|
computeIntactRanges: ->
|
|
return [] if !@firstRenderedScreenRow? and !@lastRenderedScreenRow?
|
|
|
|
intactRanges = [{start: @firstRenderedScreenRow, end: @lastRenderedScreenRow, domStart: 0}]
|
|
for change in @pendingChanges
|
|
newIntactRanges = []
|
|
for range in intactRanges
|
|
if change.end < range.start and change.screenDelta != 0
|
|
newIntactRanges.push(
|
|
start: range.start + change.screenDelta
|
|
end: range.end + change.screenDelta
|
|
domStart: range.domStart
|
|
)
|
|
else if change.end < range.start or change.start > range.end
|
|
newIntactRanges.push(range)
|
|
else
|
|
if change.start > range.start
|
|
newIntactRanges.push(
|
|
start: range.start
|
|
end: change.start - 1
|
|
domStart: range.domStart)
|
|
if change.end < range.end
|
|
newIntactRanges.push(
|
|
start: change.end + change.screenDelta + 1
|
|
end: range.end + change.screenDelta
|
|
domStart: range.domStart + change.end + 1 - range.start
|
|
)
|
|
intactRanges = newIntactRanges
|
|
@pendingChanges = []
|
|
intactRanges
|
|
|
|
truncateIntactRanges: (intactRanges, renderFrom, renderTo) ->
|
|
i = 0
|
|
while i < intactRanges.length
|
|
range = intactRanges[i]
|
|
if range.start < renderFrom
|
|
range.domStart += renderFrom - range.start
|
|
range.start = renderFrom
|
|
if range.end > renderTo
|
|
range.end = renderTo
|
|
if range.start >= range.end
|
|
intactRanges.splice(i--, 1)
|
|
i++
|
|
intactRanges.sort (a, b) -> a.domStart - b.domStart
|
|
|
|
clearDirtyRanges: (intactRanges) ->
|
|
renderedLines = @renderedLines[0]
|
|
killLine = (line) ->
|
|
next = line.nextSibling
|
|
renderedLines.removeChild(line)
|
|
next
|
|
|
|
if intactRanges.length == 0
|
|
@renderedLines.empty()
|
|
else
|
|
domPosition = 0
|
|
currentLine = renderedLines.firstChild
|
|
for intactRange in intactRanges
|
|
while intactRange.domStart > domPosition
|
|
currentLine = killLine(currentLine)
|
|
domPosition++
|
|
for i in [intactRange.start..intactRange.end]
|
|
currentLine = currentLine.nextSibling
|
|
domPosition++
|
|
while currentLine
|
|
currentLine = killLine(currentLine)
|
|
|
|
fillDirtyRanges: (intactRanges, renderFrom, renderTo) ->
|
|
renderedLines = @renderedLines[0]
|
|
nextIntact = intactRanges.shift()
|
|
currentLine = renderedLines.firstChild
|
|
|
|
row = renderFrom
|
|
while row <= renderTo
|
|
if row == nextIntact?.end + 1
|
|
nextIntact = intactRanges.shift()
|
|
if !nextIntact or row < nextIntact.start
|
|
if nextIntact
|
|
dirtyRangeEnd = nextIntact.start - 1
|
|
else
|
|
dirtyRangeEnd = renderTo
|
|
|
|
for lineElement in @buildLineElementsForScreenRows(row, dirtyRangeEnd)
|
|
renderedLines.insertBefore(lineElement, currentLine)
|
|
row++
|
|
else
|
|
currentLine = currentLine.nextSibling
|
|
row++
|
|
|
|
updatePaddingOfRenderedLines: ->
|
|
paddingTop = @firstRenderedScreenRow * @lineHeight
|
|
@renderedLines.css('padding-top', paddingTop)
|
|
@gutter.lineNumbers.css('padding-top', paddingTop)
|
|
|
|
paddingBottom = (@getLastScreenRow() - @lastRenderedScreenRow) * @lineHeight
|
|
@renderedLines.css('padding-bottom', paddingBottom)
|
|
@gutter.lineNumbers.css('padding-bottom', paddingBottom)
|
|
|
|
getFirstVisibleScreenRow: ->
|
|
Math.floor(@scrollTop() / @lineHeight)
|
|
|
|
getLastVisibleScreenRow: ->
|
|
Math.max(0, Math.ceil((@scrollTop() + @scrollView.height()) / @lineHeight) - 1)
|
|
|
|
isScreenRowVisible: (row) ->
|
|
@getFirstVisibleScreenRow() <= row <= @getLastVisibleScreenRow()
|
|
|
|
handleScreenLinesChange: (change) ->
|
|
@pendingChanges.push(change)
|
|
@requestDisplayUpdate()
|
|
|
|
buildLineElementsForScreenRows: (startRow, endRow) ->
|
|
div = document.createElement('div')
|
|
div.innerHTML = @buildLinesHtml(@activeEditSession.linesForScreenRows(startRow, endRow))
|
|
new Array(div.children...)
|
|
|
|
buildLinesHtml: (screenLines) ->
|
|
screenLines.map((line) => @buildLineHtml(line)).join('\n\n')
|
|
|
|
buildLineHtml: (screenLine) ->
|
|
scopeStack = []
|
|
line = []
|
|
|
|
updateScopeStack = (desiredScopes) ->
|
|
excessScopes = scopeStack.length - desiredScopes.length
|
|
_.times(excessScopes, popScope) if excessScopes > 0
|
|
|
|
# pop until common prefix
|
|
for i in [scopeStack.length..0]
|
|
break if _.isEqual(scopeStack[0...i], desiredScopes[0...i])
|
|
popScope()
|
|
|
|
# push on top of common prefix until scopeStack == desiredScopes
|
|
for j in [i...desiredScopes.length]
|
|
pushScope(desiredScopes[j])
|
|
|
|
pushScope = (scope) ->
|
|
scopeStack.push(scope)
|
|
line.push("<span class=\"#{scope.replace(/\./g, ' ')}\">")
|
|
|
|
popScope = ->
|
|
scopeStack.pop()
|
|
line.push("</span>")
|
|
|
|
if fold = screenLine.fold
|
|
lineAttributes = { class: 'fold line', 'fold-id': fold.id }
|
|
if @activeEditSession.selectionIntersectsBufferRange(fold.getBufferRange())
|
|
lineAttributes.class += ' selected'
|
|
else
|
|
lineAttributes = { class: 'line' }
|
|
|
|
attributePairs = []
|
|
attributePairs.push "#{attributeName}=\"#{value}\"" for attributeName, value of lineAttributes
|
|
line.push("<pre #{attributePairs.join(' ')}>")
|
|
|
|
invisibles = @invisibles if @showInvisibles
|
|
|
|
if screenLine.text == ''
|
|
line.push(" ") unless @showInvisibles
|
|
else
|
|
firstNonWhitespacePosition = screenLine.text.search(/\S/)
|
|
firstTrailingWhitespacePosition = screenLine.text.search(/\s*$/)
|
|
position = 0
|
|
for token in screenLine.tokens
|
|
updateScopeStack(token.scopes)
|
|
line.push(token.getValueAsHtml(
|
|
invisibles: invisibles
|
|
hasLeadingWhitespace: position < firstNonWhitespacePosition
|
|
hasTrailingWhitespace: position + token.value.length > firstTrailingWhitespacePosition
|
|
))
|
|
|
|
position += token.value.length
|
|
|
|
popScope() while scopeStack.length > 0
|
|
if invisibles?.eol
|
|
line.push("<span class='invisible'>#{invisibles.eol}</span>")
|
|
|
|
line.push('</pre>')
|
|
line.join('')
|
|
|
|
lineElementForScreenRow: (screenRow) ->
|
|
@renderedLines.children(":eq(#{screenRow - @firstRenderedScreenRow})")
|
|
|
|
logScreenLines: (start, end) ->
|
|
@activeEditSession.logScreenLines(start, end)
|
|
|
|
toggleLineCommentsInSelection: ->
|
|
@activeEditSession.toggleLineCommentsInSelection()
|
|
|
|
logRenderedLines: ->
|
|
@renderedLines.find('.line').each (n) ->
|
|
console.log n, $(this).text()
|
|
|
|
pixelPositionForBufferPosition: (position) ->
|
|
@pixelPositionForScreenPosition(@screenPositionForBufferPosition(position))
|
|
|
|
pixelPositionForScreenPosition: (position) ->
|
|
position = Point.fromObject(position)
|
|
{ top: position.row * @lineHeight, left: position.column * @charWidth }
|
|
|
|
pixelOffsetForScreenPosition: (position) ->
|
|
{top, left} = @pixelPositionForScreenPosition(position)
|
|
offset = @renderedLines.offset()
|
|
{top: top + offset.top, left: left + offset.left}
|
|
|
|
screenPositionFromPixelPosition: ({top, left}) ->
|
|
screenPosition = new Point(Math.floor(top / @lineHeight), Math.floor(left / @charWidth))
|
|
|
|
screenPositionFromMouseEvent: (e) ->
|
|
{ pageX, pageY } = e
|
|
@screenPositionFromPixelPosition
|
|
top: pageY - @scrollView.offset().top + @scrollTop()
|
|
left: pageX - @scrollView.offset().left + @scrollView.scrollLeft()
|
|
|
|
highlightCursorLine: ->
|
|
return if @mini
|
|
|
|
@highlightedLine?.removeClass('cursor-line')
|
|
if @getSelection().isEmpty()
|
|
@highlightedLine = @lineElementForScreenRow(@getCursorScreenRow())
|
|
@highlightedLine.addClass('cursor-line')
|
|
else
|
|
@highlightedLine = null
|