Ignore paste in react editor, Fixes #2186

src/input-component.coffee

@@ -16,6 +16,7 @@ InputComponent = React.createClass
     {lastChar: ''}
 
   componentDidMount: ->
+    @getDOMNode().addEventListener 'paste', @onPaste
     @getDOMNode().addEventListener 'input', @onInput
     @getDOMNode().addEventListener 'compositionupdate', @onCompositionUpdate
 
@@ -32,6 +33,9 @@ InputComponent = React.createClass
   shouldComponentUpdate: (newProps) ->
     not isEqual(newProps.style, @props.style)
 
+  onPaste: (e) ->
+    e.preventDefault()
+
   onInput: (e) ->
     e.stopPropagation()
     valueCharCodes = punycode.ucs2.decode(@getDOMNode().value)