wisemapping-frontend/packages/web2d/lib/components/peer/utils/EventUtils.js

/*
 *    Copyright [2015] [wisemapping]
 *
 *   Licensed under WiseMapping Public License, Version 1.0 (the "License").
 *   It is basically the Apache License, Version 2.0 (the "License") plus the
 *   "powered by wisemapping" text requirement on every single page;
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the license at
 *
 *       http://www.wisemapping.org/license
 *
 *   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.
 */

const EventUtils = {
    broadcastChangeEvent: function (elementPeer, type) { //eslint-disable-line
    const listeners = elementPeer.getChangeEventListeners(type);
        if ($defined(listeners)) { //eslint-disable-line
      for (let i = 0; i < listeners.length; i++) {
        const listener = listeners[i];
        listener.call(elementPeer, null);
      }
    }

    const children = elementPeer.getChildren();
    for (let j = 0; j < children.length; j++) {
      const child = children[j];
      EventUtils.broadcastChangeEvent(child, type);
    }
  },
};

export default EventUtils;