Add setRepresentedDirectoryPaths to ApplicationDelegate

Also, use it to provide the default path in showSaveDialog

src/application-delegate.coffee

@@ -1,7 +1,9 @@
+_ = require 'underscore-plus'
 ipc = require 'ipc'
 remote = require 'remote'
 shell = require 'shell'
 {Disposable} = require 'event-kit'
+{getWindowLoadSettings, setWindowLoadSettings} = require './window-load-settings-helpers'
 
 module.exports =
 class ApplicationDelegate
@@ -77,6 +79,11 @@ class ApplicationDelegate
   setRepresentedFilename: (filename) ->
     remote.getCurrentWindow().setRepresentedFilename(filename)
 
+  setRepresentedDirectoryPaths: (paths) ->
+    loadSettings = getWindowLoadSettings()
+    loadSettings['initialPaths'] = value
+    setWindowLoadSettings(loadSettings)
+
   setAutoHideWindowMenuBar: (autoHide) ->
     remote.getCurrentWindow().setAutoHideMenuBar(autoHide)
 
@@ -92,6 +99,12 @@ class ApplicationDelegate
     dialog.showMessageBox remote.getCurrentWindow(), params
 
   showSaveDialog: (params) ->
+    if _.isString(params)
+      params = defaultPath: params
+    else
+      params = _.clone(params)
+    params.title ?= 'Save File'
+    params.defaultPath ?= getWindowLoadSettings().initialPaths[0]
     dialog = remote.require('dialog')
     dialog.showSaveDialog remote.getCurrentWindow(), params
 

src/atom-environment.coffee

@@ -371,11 +371,6 @@ class AtomEnvironment extends Model
   getLoadSettings: ->
     getWindowLoadSettings()
 
-  updateLoadSetting: (key, value) ->
-    loadSettings = @getLoadSettings()
-    loadSettings[key] = value
-    setWindowLoadSettings(loadSettings)
-
   ###
   Section: Managing The Atom Window
   ###
@@ -746,7 +741,7 @@ class AtomEnvironment extends Model
   # Notify the browser project of the window's current project path
   watchProjectPath: ->
     @disposables.add @project.onDidChangePaths =>
-      @updateLoadSetting('initialPaths', @project.getPaths())
+      @applicationDelegate.setRepresentedDirectoryPaths(@project.getPaths())
 
   setDocumentEdited: (edited) ->
     @applicationDelegate.setWindowDocumentEdited?(edited)
@@ -762,12 +757,6 @@ class AtomEnvironment extends Model
     callback(showSaveDialogSync())
 
   showSaveDialogSync: (options={}) ->
-    if _.isString(options)
-      options = defaultPath: options
-    else
-      options = _.clone(options)
-    options.title ?= 'Save File'
-    options.defaultPath ?= @project?.getPaths()[0]
     @applicationDelegate.showSaveDialog(options)
 
   saveStateSync: ->