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Viewing file:     mapSymbolLayout.js (3.23 KB)      -rwxrwxr-x

/*
* 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 * as zrUtil from 'zrender/lib/core/util.js';
export default function mapSymbolLayout(ecModel) {
  var processedMapType = {};
  ecModel.eachSeriesByType('map', function (mapSeries) {
    var mapType = mapSeries.getMapType();

    if (mapSeries.getHostGeoModel() || processedMapType[mapType]) {
      return;
    }

    var mapSymbolOffsets = {};
    zrUtil.each(mapSeries.seriesGroup, function (subMapSeries) {
      var geo = subMapSeries.coordinateSystem;
      var data = subMapSeries.originalData;

      if (subMapSeries.get('showLegendSymbol') && ecModel.getComponent('legend')) {
        data.each(data.mapDimension('value'), function (value, idx) {
          var name = data.getName(idx);
          var region = geo.getRegion(name); // If input series.data is [11, 22, '-'/null/undefined, 44],
          // it will be filled with NaN: [11, 22, NaN, 44] and NaN will
          // not be drawn. So here must validate if value is NaN.

          if (!region || isNaN(value)) {
            return;
          }

          var offset = mapSymbolOffsets[name] || 0;
          var point = geo.dataToPoint(region.getCenter());
          mapSymbolOffsets[name] = offset + 1;
          data.setItemLayout(idx, {
            point: point,
            offset: offset
          });
        });
      }
    }); // Show label of those region not has legendIcon (which is offset 0)

    var data = mapSeries.getData();
    data.each(function (idx) {
      var name = data.getName(idx);
      var layout = data.getItemLayout(idx) || {};
      layout.showLabel = !mapSymbolOffsets[name];
      data.setItemLayout(idx, layout);
    });
    processedMapType[mapType] = true;
  });
}