public/zh/builder/src/echarts/chart/graph/categoryVisual.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.
*/
export default function (ecModel) {
  var paletteScope = {};
  ecModel.eachSeriesByType('graph', function (seriesModel) {
    var categoriesData = seriesModel.getCategoriesData();
    var data = seriesModel.getData();
    var categoryNameIdxMap = {};
    categoriesData.each(function (idx) {
      var name = categoriesData.getName(idx); // Add prefix to avoid conflict with Object.prototype.

      categoryNameIdxMap['ec-' + name] = idx;
      var itemModel = categoriesData.getItemModel(idx);
      var color = itemModel.get('itemStyle.color') || seriesModel.getColorFromPalette(name, paletteScope);
      categoriesData.setItemVisual(idx, 'color', color);
      var itemStyleList = ['opacity', 'symbol', 'symbolSize', 'symbolKeepAspect'];

      for (var i = 0; i < itemStyleList.length; i++) {
        var itemStyle = itemModel.getShallow(itemStyleList[i], true);

        if (itemStyle != null) {
          categoriesData.setItemVisual(idx, itemStyleList[i], itemStyle);
        }
      }
    }); // Assign category color to visual

    if (categoriesData.count()) {
      data.each(function (idx) {
        var model = data.getItemModel(idx);
        var category = model.getShallow('category');

        if (category != null) {
          if (typeof category === 'string') {
            category = categoryNameIdxMap['ec-' + category];
          }

          var itemStyleList = ['color', 'opacity', 'symbol', 'symbolSize', 'symbolKeepAspect'];

          for (var i = 0; i < itemStyleList.length; i++) {
            if (data.getItemVisual(idx, itemStyleList[i], true) == null) {
              data.setItemVisual(idx, itemStyleList[i], categoriesData.getItemVisual(category, itemStyleList[i]));
            }
          }
        }
      });
    }
  });
}