| /* |
| * 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/src/core/util'; |
| export default function (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.center); |
| mapSymbolOffsets[name] = offset + 1; |
| data.setItemLayout(idx, { |
| point: point, |
| offset: offset |
| }); |
| }); |
| } |
| }); // Show label of those region not has legendSymbol(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; |
| }); |
| } |