treeAction.js 2.19 KB
/*
* 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);
    });
});