Merge remote-tracking branch 'origin/command-extensions' into dev

Conflicts:
	spec/app/editor-spec.coffee
	spec/app/root-view-spec.coffee
	src/app/editor.coffee
	src/extensions/strip-trailing-whitespace.coffee

src/app/editor.coffee

@@ -1127,3 +1127,20 @@ class Editor extends View
       @clearRenderedLines()
       @updateDisplay()
     grammarChanged
+
+  bindToKeyedEvent: (key, event, callback) ->
+    binding = {}
+    binding[key] = event
+    window.keymap.bindKeys '.editor', binding
+    @on event, =>
+      callback(this, event)
+
+  replaceSelectedText: (replaceFn) ->
+    selection = @getSelection()
+    return false if selection.isEmpty()
+
+    text = replaceFn(@getTextInRange(selection.getBufferRange()))
+    return false if text is null or text is undefined
+
+    @insertText(text, select: true)
+    true

src/app/root-view.coffee

@@ -258,3 +258,17 @@ class RootView extends View
 
   saveAll: ->
     editor.save() for editor in @getEditors()
+
+  eachEditor: (callback) ->
+    for editor in @getEditors()
+      callback(editor)
+
+    @on 'editor:attached', (e, editor) ->
+      callback(editor)
+
+  eachBuffer: (callback) ->
+    for buffer in @project.getBuffers()
+      callback(buffer)
+
+    @project.on 'buffer-created', (buffer) ->
+      callback(buffer)

src/app/selection.coffee

@@ -174,7 +174,10 @@ class Selection
     text = @normalizeIndent(text, options) if options.normalizeIndent
     @clear()
     newBufferRange = @editSession.buffer.change(oldBufferRange, text)
-    @cursor.setBufferPosition(newBufferRange.end, skipAtomicTokens: true) if wasReversed
+    if options.select
+      @setBufferRange(newBufferRange, reverse: wasReversed)
+    else
+      @cursor.setBufferPosition(newBufferRange.end, skipAtomicTokens: true) if wasReversed
 
     if @editSession.autoIndent and options.autoIndent
       if text == '\n'