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node_modules/echarts/src/chart/lines/linesVisual.js 2.28 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.
  */
  
  
  function normalize(a) {
      if (!(a instanceof Array)) {
          a = [a, a];
      }
      return a;
  }
  
  var opacityQuery = 'lineStyle.opacity'.split('.');
  
  export default {
      seriesType: 'lines',
      reset: function (seriesModel, ecModel, api) {
          var symbolType = normalize(seriesModel.get('symbol'));
          var symbolSize = normalize(seriesModel.get('symbolSize'));
          var data = seriesModel.getData();
  
          data.setVisual('fromSymbol', symbolType && symbolType[0]);
          data.setVisual('toSymbol', symbolType && symbolType[1]);
          data.setVisual('fromSymbolSize', symbolSize && symbolSize[0]);
          data.setVisual('toSymbolSize', symbolSize && symbolSize[1]);
          data.setVisual('opacity', seriesModel.get(opacityQuery));
  
          function dataEach(data, idx) {
              var itemModel = data.getItemModel(idx);
              var symbolType = normalize(itemModel.getShallow('symbol', true));
              var symbolSize = normalize(itemModel.getShallow('symbolSize', true));
              var opacity = itemModel.get(opacityQuery);
  
              symbolType[0] && data.setItemVisual(idx, 'fromSymbol', symbolType[0]);
              symbolType[1] && data.setItemVisual(idx, 'toSymbol', symbolType[1]);
              symbolSize[0] && data.setItemVisual(idx, 'fromSymbolSize', symbolSize[0]);
              symbolSize[1] && data.setItemVisual(idx, 'toSymbolSize', symbolSize[1]);
  
              data.setItemVisual(idx, 'opacity', opacity);
          }
  
          return {dataEach: data.hasItemOption ? dataEach : null};
      }
  };