Merge pull request #7145 from FoldingText/Item-provides-save-panel-options

Item provides save panel options

spec/pane-spec.coffee

@@ -414,7 +414,7 @@ describe "Pane", ->
         pane.getActiveItem().path = __filename
         pane.getActiveItem().saveAs = jasmine.createSpy("saveAs")
         pane.saveActiveItemAs()
-        expect(atom.showSaveDialogSync).toHaveBeenCalledWith(__filename)
+        expect(atom.showSaveDialogSync).toHaveBeenCalledWith(defaultPath: __filename)
         expect(pane.getActiveItem().saveAs).toHaveBeenCalledWith('/selected/path')
 
     describe "when the current item does not have a saveAs method", ->

src/atom.coffee

@@ -787,11 +787,16 @@ class Atom extends Model
   showSaveDialog: (callback) ->
     callback(showSaveDialogSync())
 
-  showSaveDialogSync: (defaultPath) ->
-    defaultPath ?= @project?.getPaths()[0]
+  showSaveDialogSync: (options={}) ->
+    if _.isString(options)
+      options = defaultPath: options
+    else
+      options = _.clone(options)
     currentWindow = @getCurrentWindow()
     dialog = remote.require('dialog')
-    dialog.showSaveDialog currentWindow, {title: 'Save File', defaultPath}
+    options.title ?= 'Save File'
+    options.defaultPath ?= @project?.getPaths()[0]
+    dialog.showSaveDialog currentWindow, options
 
   saveSync: ->
     if storageKey = @constructor.getStateKey(@project?.getPaths(), @mode)

src/pane.coffee

@@ -492,8 +492,9 @@ class Pane extends Model
   saveItemAs: (item, nextAction) ->
     return unless item?.saveAs?
 
-    itemPath = item.getPath?()
-    newItemPath = atom.showSaveDialogSync(itemPath)
+    saveOptions = item.getSaveDialogOptions?() ? {}
+    saveOptions.defaultPath ?= item.getPath()
+    newItemPath = atom.showSaveDialogSync(saveOptions)
     if newItemPath
       try
         item.saveAs(newItemPath)

src/text-editor.coffee

@@ -593,6 +593,16 @@ class TextEditor extends Model
   # Essential: Returns the {String} path of this editor's text buffer.
   getPath: -> @buffer.getPath()
 
+  # Private: Return [save options](http://electron.atom.io/docs/v0.27.0/api/di
+  # alog/#dialog.showsavedialog(%5Bbrowserwindow%5D,-%5Boptions%5D,-%5Bcallbac
+  # k%5D)) to be used when displaying the save dialog.
+  #
+  # Default empty options are returned now. In the future this would be the
+  # place to start implementing things like: https://discuss.atom.io/t
+  # /request-saving- file-with-correct-extension/17521
+  getSaveDialogOptions: ->
+    {}
+
   # Extended: Returns the {String} character set encoding of this editor's text
   # buffer.
   getEncoding: -> @buffer.getEncoding()