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node_modules/echarts/lib/chart/graph/edgeVisual.js 3.69 KB
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  /*
  * 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 { extend } from 'zrender/lib/core/util.js';
  function normalize(a) {
    if (!(a instanceof Array)) {
      a = [a, a];
    }
    return a;
  }
  export default function graphEdgeVisual(ecModel) {
    ecModel.eachSeriesByType('graph', function (seriesModel) {
      var graph = seriesModel.getGraph();
      var edgeData = seriesModel.getEdgeData();
      var symbolType = normalize(seriesModel.get('edgeSymbol'));
      var symbolSize = normalize(seriesModel.get('edgeSymbolSize'));
      // const colorQuery = ['lineStyle', 'color'] as const;
      // const opacityQuery = ['lineStyle', 'opacity'] as const;
      edgeData.setVisual('fromSymbol', symbolType && symbolType[0]);
      edgeData.setVisual('toSymbol', symbolType && symbolType[1]);
      edgeData.setVisual('fromSymbolSize', symbolSize && symbolSize[0]);
      edgeData.setVisual('toSymbolSize', symbolSize && symbolSize[1]);
      edgeData.setVisual('style', seriesModel.getModel('lineStyle').getLineStyle());
      edgeData.each(function (idx) {
        var itemModel = edgeData.getItemModel(idx);
        var edge = graph.getEdgeByIndex(idx);
        var symbolType = normalize(itemModel.getShallow('symbol', true));
        var symbolSize = normalize(itemModel.getShallow('symbolSize', true));
        // Edge visual must after node visual
        var style = itemModel.getModel('lineStyle').getLineStyle();
        var existsStyle = edgeData.ensureUniqueItemVisual(idx, 'style');
        extend(existsStyle, style);
        switch (existsStyle.stroke) {
          case 'source':
            {
              var nodeStyle = edge.node1.getVisual('style');
              existsStyle.stroke = nodeStyle && nodeStyle.fill;
              break;
            }
          case 'target':
            {
              var nodeStyle = edge.node2.getVisual('style');
              existsStyle.stroke = nodeStyle && nodeStyle.fill;
              break;
            }
        }
        symbolType[0] && edge.setVisual('fromSymbol', symbolType[0]);
        symbolType[1] && edge.setVisual('toSymbol', symbolType[1]);
        symbolSize[0] && edge.setVisual('fromSymbolSize', symbolSize[0]);
        symbolSize[1] && edge.setVisual('toSymbolSize', symbolSize[1]);
      });
    });
  }