Allow items to provide savePanel options.

spec/pane-spec.coffee

@@ -3,7 +3,7 @@ Pane = require '../src/pane'
 PaneAxis = require '../src/pane-axis'
 PaneContainer = require '../src/pane-container'
 
-describe "Pane", ->
+fdescribe "Pane", ->
   deserializerDisposable = null
 
   class Item extends Model
@@ -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

@@ -783,11 +783,12 @@ class Atom extends Model
   showSaveDialog: (callback) ->
     callback(showSaveDialogSync())
 
-  showSaveDialogSync: (defaultPath) ->
-    defaultPath ?= @project?.getPaths()[0]
+  showSaveDialogSync: (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.getSaveOptions?() or {}
+    saveOptions.defaultPath ?= item.getPath()
+    newItemPath = atom.showSaveDialogSync(saveOptions)
     if newItemPath
       try
         item.saveAs(newItemPath)