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node_modules/echarts/src/component/dataZoom/DataZoomView.js 3.04 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.
  */
  
  import ComponentView from '../../view/Component';
  
  export default ComponentView.extend({
  
      type: 'dataZoom',
  
      render: function (dataZoomModel, ecModel, api, payload) {
          this.dataZoomModel = dataZoomModel;
          this.ecModel = ecModel;
          this.api = api;
      },
  
      /**
       * Find the first target coordinate system.
       *
       * @protected
       * @return {Object} {
       *                   grid: [
       *                       {model: coord0, axisModels: [axis1, axis3], coordIndex: 1},
       *                       {model: coord1, axisModels: [axis0, axis2], coordIndex: 0},
       *                       ...
       *                   ],  // cartesians must not be null/undefined.
       *                   polar: [
       *                       {model: coord0, axisModels: [axis4], coordIndex: 0},
       *                       ...
       *                   ],  // polars must not be null/undefined.
       *                   singleAxis: [
       *                       {model: coord0, axisModels: [], coordIndex: 0}
       *                   ]
       */
      getTargetCoordInfo: function () {
          var dataZoomModel = this.dataZoomModel;
          var ecModel = this.ecModel;
          var coordSysLists = {};
  
          dataZoomModel.eachTargetAxis(function (dimNames, axisIndex) {
              var axisModel = ecModel.getComponent(dimNames.axis, axisIndex);
              if (axisModel) {
                  var coordModel = axisModel.getCoordSysModel();
                  coordModel && save(
                      coordModel,
                      axisModel,
                      coordSysLists[coordModel.mainType] || (coordSysLists[coordModel.mainType] = []),
                      coordModel.componentIndex
                  );
              }
          }, this);
  
          function save(coordModel, axisModel, store, coordIndex) {
              var item;
              for (var i = 0; i < store.length; i++) {
                  if (store[i].model === coordModel) {
                      item = store[i];
                      break;
                  }
              }
              if (!item) {
                  store.push(item = {
                      model: coordModel, axisModels: [], coordIndex: coordIndex
                  });
              }
              item.axisModels.push(axisModel);
          }
  
          return coordSysLists;
      }
  
  });