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node_modules/echarts/lib/visual/symbol.js 3.58 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.
  */
  
  /*
  * 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 _default(seriesType, defaultSymbolType, legendSymbol) {
    // Encoding visual for all series include which is filtered for legend drawing
    return {
      seriesType: seriesType,
      // For legend.
      performRawSeries: true,
      reset: function (seriesModel, ecModel, api) {
        var data = seriesModel.getData();
        var symbolType = seriesModel.get('symbol') || defaultSymbolType;
        var symbolSize = seriesModel.get('symbolSize');
        var keepAspect = seriesModel.get('symbolKeepAspect');
        data.setVisual({
          legendSymbol: legendSymbol || symbolType,
          symbol: symbolType,
          symbolSize: symbolSize,
          symbolKeepAspect: keepAspect
        }); // Only visible series has each data be visual encoded
  
        if (ecModel.isSeriesFiltered(seriesModel)) {
          return;
        }
  
        var hasCallback = typeof symbolSize === 'function';
  
        function dataEach(data, idx) {
          if (typeof symbolSize === 'function') {
            var rawValue = seriesModel.getRawValue(idx); // FIXME
  
            var params = seriesModel.getDataParams(idx);
            data.setItemVisual(idx, 'symbolSize', symbolSize(rawValue, params));
          }
  
          if (data.hasItemOption) {
            var itemModel = data.getItemModel(idx);
            var itemSymbolType = itemModel.getShallow('symbol', true);
            var itemSymbolSize = itemModel.getShallow('symbolSize', true);
            var itemSymbolKeepAspect = itemModel.getShallow('symbolKeepAspect', true); // If has item symbol
  
            if (itemSymbolType != null) {
              data.setItemVisual(idx, 'symbol', itemSymbolType);
            }
  
            if (itemSymbolSize != null) {
              // PENDING Transform symbolSize ?
              data.setItemVisual(idx, 'symbolSize', itemSymbolSize);
            }
  
            if (itemSymbolKeepAspect != null) {
              data.setItemVisual(idx, 'symbolKeepAspect', itemSymbolKeepAspect);
            }
          }
        }
  
        return {
          dataEach: data.hasItemOption || hasCallback ? dataEach : null
        };
      }
    };
  }
  
  module.exports = _default;