ducha-qianduan/node_modules/echarts/lib/chart/graph/simpleLayout.js

/*
* 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, seriesModel);
    } else if (!layout || layout === 'none') {
      simpleLayout(seriesModel);
    }
  });
}

module.exports = _default;