react/src/dom/components/ReactDOMButton.js

/**
 * Copyright 2013 Facebook, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * @providesModule ReactDOMButton
 */

"use strict";

var AutoFocusMixin = require('AutoFocusMixin');
var ReactCompositeComponent = require('ReactCompositeComponent');
var ReactDOM = require('ReactDOM');

var keyMirror = require('keyMirror');

// Store a reference to the <button> `ReactDOMComponent`.
var button = ReactDOM.button;

var mouseListenerNames = keyMirror({
  onClick: true,
  onDoubleClick: true,
  onMouseDown: true,
  onMouseMove: true,
  onMouseUp: true,
  onClickCapture: true,
  onDoubleClickCapture: true,
  onMouseDownCapture: true,
  onMouseMoveCapture: true,
  onMouseUpCapture: true
});

/**
 * Implements a <button> native component that does not receive mouse events
 * when `disabled` is set.
 */
var ReactDOMButton = ReactCompositeComponent.createClass({
  mixins: [AutoFocusMixin],

  render: function() {
    var props = {};

    // Copy the props; except the mouse listeners if we're disabled
    for (var key in this.props) {
      if (this.props.hasOwnProperty(key) &&
          (!this.props.disabled || !mouseListenerNames[key])) {
        props[key] = this.props[key];
      }
    }

    return button(props, this.props.children);
  }

});

module.exports = ReactDOMButton;