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';

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;

    });
});