public/zh/builder/src/echarts/chart/tree/treeAction.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.
*/
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);
  });
});