public/zh/builder/src/echarts/chart/treemap/treemapAction.js

/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements.  See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership.  The ASF licenses this file
* to you 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.
*/

/**
 * @file Treemap action
 */
import * as echarts from '../../echarts';
import * as helper from '../helper/treeHelper';

var noop = function () {};

var actionTypes = ['treemapZoomToNode', 'treemapRender', 'treemapMove'];

for (var i = 0; i < actionTypes.length; i++) {
  echarts.registerAction({
    type: actionTypes[i],
    update: 'updateView'
  }, noop);
}

echarts.registerAction({
  type: 'treemapRootToNode',
  update: 'updateView'
}, function (payload, ecModel) {
  ecModel.eachComponent({
    mainType: 'series',
    subType: 'treemap',
    query: payload
  }, handleRootToNode);

  function handleRootToNode(model, index) {
    var types = ['treemapZoomToNode', 'treemapRootToNode'];
    var targetInfo = helper.retrieveTargetInfo(payload, types, model);

    if (targetInfo) {
      var originViewRoot = model.getViewRoot();

      if (originViewRoot) {
        payload.direction = helper.aboveViewRoot(originViewRoot, targetInfo.node) ? 'rollUp' : 'drillDown';
      }

      model.resetViewRoot(targetInfo.node);
    }
  }
});