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node_modules/echarts/src/chart/graph/simpleLayout.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.
  */
  
  import {each} from 'zrender/src/core/util';
  import {simpleLayout, simpleLayoutEdge} from './simpleLayoutHelper';
  
  export default function (ecModel, api) {
      ecModel.eachSeriesByType('graph', function (seriesModel) {
          var layout = seriesModel.get('layout');
          var coordSys = seriesModel.coordinateSystem;
          if (coordSys && coordSys.type !== 'view') {
              var data = seriesModel.getData();
  
              var dimensions = [];
              each(coordSys.dimensions, function (coordDim) {
                  dimensions = dimensions.concat(data.mapDimension(coordDim, true));
              });
  
              for (var dataIndex = 0; dataIndex < data.count(); dataIndex++) {
                  var value = [];
                  var hasValue = false;
                  for (var i = 0; i < dimensions.length; i++) {
                      var val = data.get(dimensions[i], dataIndex);
                      if (!isNaN(val)) {
                          hasValue = true;
                      }
                      value.push(val);
                  }
                  if (hasValue) {
                      data.setItemLayout(dataIndex, coordSys.dataToPoint(value));
                  }
                  else {
                      // Also {Array.<number>}, not undefined to avoid if...else... statement
                      data.setItemLayout(dataIndex, [NaN, NaN]);
                  }
              }
  
              simpleLayoutEdge(data.graph);
          }
          else if (!layout || layout === 'none') {
              simpleLayout(seriesModel);
          }
      });
  }