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node_modules/echarts/lib/chart/chord/ChordView.js 3.4 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.
  */
  
  var echarts = require("../../echarts");
  
  var RibbonPath = require("./Ribbon");
  
  var graphic = require("../../util/graphic");
  
  /*
  * 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.
  */
  var _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 () {}
  });
  
  module.exports = _default;