Method _createLegendInfo

src/common/mapping/WebMapV3.js:777–814

()

  }

  _createLegendInfo() {
    const { catalogs = [] } = this._mapResourceInfo;
    const originLayers = getLayerInfosFromCatalogs(catalogs, 'catalogType');
    for (const layer of originLayers) {
      const { renderer, label } = layer.visualization || {};
      if (!renderer) {
        continue;
      }
      const layerFromMapInfo = getMainLayerFromCatalog(layer.layersContent, layer.id, this._mapInfo.layers);
      let themeField;
      const sourceInfo = this._mapInfo.sources[layerFromMapInfo.source];
      if ('clusterField' in sourceInfo) {
        themeField = sourceInfo.clusterField;
      }
      const nextLayer = Object.assign({}, layerFromMapInfo, { title: layer.title, themeField });
      const styleSettings = this._parseRendererStyleData(renderer);
      // 线面文本标签
      if (label) {
        styleSettings.push({...label, type: 'text'});
        if (label.symbolsContent && label.symbolsContent.value.symbolId) {
          styleSettings.push({...label, type: 'symbol'});
        }
      }
      // 点文本标签
      if (styleSettings[0].textField && styleSettings[0].textField.value) {
        styleSettings.push({
          ...styleSettings[0],
          type: 'text'
        });
      }
      const layerLegends = styleSettings.reduce((legends, styleSetting) => {
        const legendItems = this._createLayerLegendList(nextLayer, styleSetting);
        legendItems && legends.push(...legendItems);
        return legends;
      }, []);
      this._legendList.push(...layerLegends);
    }
  }

  _getAliasKey(renderType, key) {
    if (renderType === 'isoline3D' && key === 'dashArray') {