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node_modules/echarts/lib/chart/treemap/treemapAction.js 2.56 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.
  */
  
  var echarts = require("../../echarts");
  
  var helper = require("../helper/treeHelper");
  
  /*
  * 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
   */
  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);
      }
    }
  });