wit-uniapp/node_modules/echarts/lib/chart/graph/categoryFilter.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.
*/


/**
 * AUTO-GENERATED FILE. DO NOT MODIFY.
 */

/*
* 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 { isNumber } from 'zrender/lib/core/util.js';
export default function categoryFilter(ecModel) {
  var legendModels = ecModel.findComponents({
    mainType: 'legend'
  });

  if (!legendModels || !legendModels.length) {
    return;
  }

  ecModel.eachSeriesByType('graph', function (graphSeries) {
    var categoriesData = graphSeries.getCategoriesData();
    var graph = graphSeries.getGraph();
    var data = graph.data;
    var categoryNames = categoriesData.mapArray(categoriesData.getName);
    data.filterSelf(function (idx) {
      var model = data.getItemModel(idx);
      var category = model.getShallow('category');

      if (category != null) {
        if (isNumber(category)) {
          category = categoryNames[category];
        } // If in any legend component the status is not selected.


        for (var i = 0; i < legendModels.length; i++) {
          if (!legendModels[i].isSelected(category)) {
            return false;
          }
        }
      }

      return true;
    });
  });
}