Do a better job imitating the old SpacePen-based editor

src/react-editor-view.coffee

@@ -4,14 +4,20 @@ EditorComponent = require './editor-component'
 
 module.exports =
 class ReactEditorView extends View
-  @content: -> @div class: 'react-wrapper'
+  @content: -> @div class: 'editor react-wrapper'
 
   constructor: (@editor) ->
     super
 
+  getEditor: -> @editor
+
   afterAttach: (onDom) ->
     return unless onDom
+    @attached = true
     @component = React.renderComponent(EditorComponent({@editor}), @element)
+    @trigger 'editor:attached', [this]
 
   beforeDetach: ->
     React.unmountComponentAtNode(@element)
+    @attached = false
+    @trigger 'editor:detached', this