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Viewing file:     treemapAction.js (1.94 KB)      -rw-r--r--

/*
* 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);
            }
        }
    }
);