restructure DONE

lib/components/CodeEditor.js

@@ -0,0 +1,68 @@
+import React from 'react'
+
+var ace = window.ace
+
+module.exports = React.createClass({
+  propTypes: {
+    code: React.PropTypes.string,
+    mode: React.PropTypes.string,
+    className: React.PropTypes.string,
+    onChange: React.PropTypes.func,
+    readOnly: React.PropTypes.bool
+  },
+  getDefaultProps: function () {
+    return {
+      readOnly: false
+    }
+  },
+  componentDidMount: function () {
+    var el = React.findDOMNode(this.refs.target)
+    var editor = ace.edit(el)
+    editor.$blockScrolling = Infinity
+    editor.setValue(this.props.code)
+    editor.renderer.setShowGutter(true)
+    editor.setTheme('ace/theme/xcode')
+    editor.clearSelection()
+    if (this.props.readOnly) {
+      editor.setReadOnly(true)
+    }
+
+    var session = editor.getSession()
+    if (this.props.mode != null && this.props.mode.length > 0) {
+      session.setMode('ace/mode/' + this.props.mode)
+    } else {
+      session.setMode('ace/mode/text')
+    }
+    session.setUseSoftTabs(true)
+    session.setOption('useWorker', false)
+    session.setUseWrapMode(true)
+
+    session.on('change', function (e) {
+      if (this.props.onChange != null) {
+        var value = editor.getValue()
+        this.props.onChange(e, value)
+      }
+    }.bind(this))
+
+    this.setState({editor: editor})
+  },
+  componentDidUpdate: function (prevProps) {
+    if (this.state.editor.getValue() !== this.props.code) {
+      this.state.editor.setValue(this.props.code)
+      this.state.editor.clearSelection()
+    }
+    if (prevProps.mode !== this.props.mode) {
+      var session = this.state.editor.getSession()
+      if (this.props.mode != null && this.props.mode.length > 0) {
+        session.setMode('ace/mode/' + this.props.mode)
+      } else {
+        session.setMode('ace/mode/text')
+      }
+    }
+  },
+  render: function () {
+    return (
+      <div ref='target' className={this.props.className == null ? 'CodeEditor' : 'CodeEditor ' + this.props.className}></div>
+    )
+  }
+})