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node_modules/echarts/src/chart/treemap/treemapAction.js 1.94 KB
aaac7fed   liuqimichale   add
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  /*
  * 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);
              }
          }
      }
  );