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node_modules/echarts/lib/chart/graph/simpleLayout.js 2.97 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 _util = require("zrender/lib/core/util");
  
  var each = _util.each;
  
  var _simpleLayoutHelper = require("./simpleLayoutHelper");
  
  var simpleLayout = _simpleLayoutHelper.simpleLayout;
  var simpleLayoutEdge = _simpleLayoutHelper.simpleLayoutEdge;
  
  /*
  * 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(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);
      }
    });
  }
  
  module.exports = _default;