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node_modules/echarts/src/chart/chord/ChordView.js 2.99 KB
aaac7fed   liuqimichale   add
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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.
  */
  
  import * as echarts from '../../echarts';
  import RibbonPath from './Ribbon';
  import * as graphic from '../../util/graphic';
  
  export default echarts.extendChartView({
  
      type: 'chord',
  
      init: function (option) {
  
      },
  
      render: function (seriesModel, ecModel, api) {
          var data = seriesModel.getData();
          var graph = seriesModel.getGraph();
          var edgeData = seriesModel.getEdgeData();
  
          var group = this.group;
          group.removeAll();
  
          data.each(function (idx) {
              var layout = data.getItemLayout(idx);
              var sector = new graphic.Sector({
                  shape: {
                      cx: layout.cx,
                      cy: layout.cy,
                      clockwise: layout.clockwise,
                      r0: layout.r0,
                      r: layout.r,
                      startAngle: layout.startAngle,
                      endAngle: layout.endAngle
                  }
              });
  
              sector.setStyle({
                  fill: data.getItemVisual(idx, 'color')
              });
  
              data.setItemLayout(idx);
              group.add(sector);
          });
  
          var edgeRendered = {};
          edgeData.each(function (idx) {
              if (edgeRendered[idx]) {
                  return;
              }
              var layout = edgeData.getItemLayout(idx);
              var edge = graph.getEdgeByIndex(idx);
              var otherEdge = graph.getEdge(edge.node2, edge.node1);
              var otherEdgeLayout = otherEdge.getLayout();
              edgeRendered[idx] = edgeRendered[otherEdge.dataIndex] = true;
              var ribbon = new RibbonPath({
                  shape: {
                      cx: layout.cx,
                      cy: layout.cy,
                      r: layout.r,
                      s0: layout.startAngle,
                      s1: layout.endAngle,
                      t0: otherEdgeLayout.startAngle,
                      t1: otherEdgeLayout.endAngle,
                      clockwise: layout.clockwise
                  }
              });
              ribbon.setStyle({
                  // Use color of source
                  fill: edge.node1.getVisual('color'),
                  opacity: 0.5
              });
              group.add(ribbon);
          });
      },
  
      dispose: function () {}
  });