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node_modules/echarts/src/chart/tree/treeAction.js 2.19 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 Register the actions of the tree
   * @author Deqing Li(annong035@gmail.com)
   */
  
  import * as echarts from '../../echarts';
  import {updateCenterAndZoom} from '../../action/roamHelper';
  
  echarts.registerAction({
      type: 'treeExpandAndCollapse',
      event: 'treeExpandAndCollapse',
      update: 'update'
  }, function (payload, ecModel) {
      ecModel.eachComponent({mainType: 'series', subType: 'tree', query: payload}, function (seriesModel) {
          var dataIndex = payload.dataIndex;
          var tree = seriesModel.getData().tree;
          var node = tree.getNodeByDataIndex(dataIndex);
          node.isExpand = !node.isExpand;
  
      });
  });
  
  echarts.registerAction({
      type: 'treeRoam',
      event: 'treeRoam',
      // Here we set 'none' instead of 'update', because roam action
      // just need to update the transform matrix without having to recalculate
      // the layout. So don't need to go through the whole update process, such
      // as 'dataPrcocess', 'coordSystemUpdate', 'layout' and so on.
      update: 'none'
  }, function (payload, ecModel) {
      ecModel.eachComponent({mainType: 'series', subType: 'tree', query: payload}, function (seriesModel) {
          var coordSys = seriesModel.coordinateSystem;
          var res = updateCenterAndZoom(coordSys, payload);
  
          seriesModel.setCenter
              && seriesModel.setCenter(res.center);
  
          seriesModel.setZoom
              && seriesModel.setZoom(res.zoom);
      });
  });