88 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			88 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| 
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| /*
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| * Licensed to the Apache Software Foundation (ASF) under one
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| * or more contributor license agreements.  See the NOTICE file
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| * distributed with this work for additional information
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| * regarding copyright ownership.  The ASF licenses this file
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| * to you under the Apache License, Version 2.0 (the
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| * "License"); you may not use this file except in compliance
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| * with the License.  You may obtain a copy of the License at
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| *
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| *   http://www.apache.org/licenses/LICENSE-2.0
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| *
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| * Unless required by applicable law or agreed to in writing,
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| * software distributed under the License is distributed on an
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| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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| * KIND, either express or implied.  See the License for the
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| * specific language governing permissions and limitations
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| * under the License.
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| */
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| 
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| var zrUtil = require("zrender/lib/core/util");
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| 
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| /*
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| * Licensed to the Apache Software Foundation (ASF) under one
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| * or more contributor license agreements.  See the NOTICE file
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| * distributed with this work for additional information
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| * regarding copyright ownership.  The ASF licenses this file
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| * to you under the Apache License, Version 2.0 (the
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| * "License"); you may not use this file except in compliance
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| * with the License.  You may obtain a copy of the License at
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| *
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| *   http://www.apache.org/licenses/LICENSE-2.0
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| *
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| * Unless required by applicable law or agreed to in writing,
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| * software distributed under the License is distributed on an
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| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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| * KIND, either express or implied.  See the License for the
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| * specific language governing permissions and limitations
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| * under the License.
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| */
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| function _default(ecModel) {
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|   var processedMapType = {};
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|   ecModel.eachSeriesByType('map', function (mapSeries) {
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|     var mapType = mapSeries.getMapType();
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| 
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|     if (mapSeries.getHostGeoModel() || processedMapType[mapType]) {
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|       return;
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|     }
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| 
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|     var mapSymbolOffsets = {};
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|     zrUtil.each(mapSeries.seriesGroup, function (subMapSeries) {
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|       var geo = subMapSeries.coordinateSystem;
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|       var data = subMapSeries.originalData;
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| 
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|       if (subMapSeries.get('showLegendSymbol') && ecModel.getComponent('legend')) {
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|         data.each(data.mapDimension('value'), function (value, idx) {
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|           var name = data.getName(idx);
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|           var region = geo.getRegion(name); // If input series.data is [11, 22, '-'/null/undefined, 44],
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|           // it will be filled with NaN: [11, 22, NaN, 44] and NaN will
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|           // not be drawn. So here must validate if value is NaN.
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| 
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|           if (!region || isNaN(value)) {
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|             return;
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|           }
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| 
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|           var offset = mapSymbolOffsets[name] || 0;
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|           var point = geo.dataToPoint(region.center);
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|           mapSymbolOffsets[name] = offset + 1;
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|           data.setItemLayout(idx, {
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|             point: point,
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|             offset: offset
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|           });
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|         });
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|       }
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|     }); // Show label of those region not has legendSymbol(which is offset 0)
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| 
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|     var data = mapSeries.getData();
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|     data.each(function (idx) {
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|       var name = data.getName(idx);
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|       var layout = data.getItemLayout(idx) || {};
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|       layout.showLabel = !mapSymbolOffsets[name];
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|       data.setItemLayout(idx, layout);
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|     });
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|     processedMapType[mapType] = true;
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|   });
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| }
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| 
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| module.exports = _default; | 
