zh/builder/src/echarts/chart/radar/RadarSeries.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.
*/
import SeriesModel from '../../model/Series';
import createListSimply from '../helper/createListSimply';
import * as zrUtil from 'zrender/src/core/util';
import { encodeHTML } from '../../util/format';
import LegendVisualProvider from '../../visual/LegendVisualProvider';
var RadarSeries = SeriesModel.extend({
  type: 'series.radar',
  dependencies: ['radar'],
  // Overwrite
  init: function (option) {
    RadarSeries.superApply(this, 'init', arguments); // Enable legend selection for each data item
    // Use a function instead of direct access because data reference may changed

    this.legendVisualProvider = new LegendVisualProvider(zrUtil.bind(this.getData, this), zrUtil.bind(this.getRawData, this));
  },
  getInitialData: function (option, ecModel) {
    return createListSimply(this, {
      generateCoord: 'indicator_',
      generateCoordCount: Infinity
    });
  },
  formatTooltip: function (dataIndex, multipleSeries, dataType, renderMode) {
    var data = this.getData();
    var coordSys = this.coordinateSystem;
    var indicatorAxes = coordSys.getIndicatorAxes();
    var name = this.getData().getName(dataIndex);
    var newLine = renderMode === 'html' ? '<br/>' : '\n';
    return encodeHTML(name === '' ? this.name : name) + newLine + zrUtil.map(indicatorAxes, function (axis, idx) {
      var val = data.get(data.mapDimension(axis.dim), dataIndex);
      return encodeHTML(axis.name + ' : ' + val);
    }).join(newLine);
  },

  /**
   * @implement
   */
  getTooltipPosition: function (dataIndex) {
    if (dataIndex != null) {
      var data = this.getData();
      var coordSys = this.coordinateSystem;
      var values = data.getValues(zrUtil.map(coordSys.dimensions, function (dim) {
        return data.mapDimension(dim);
      }), dataIndex, true);

      for (var i = 0, len = values.length; i < len; i++) {
        if (!isNaN(values[i])) {
          var indicatorAxes = coordSys.getIndicatorAxes();
          return coordSys.coordToPoint(indicatorAxes[i].dataToCoord(values[i]), i);
        }
      }
    }
  },
  defaultOption: {
    zlevel: 0,
    z: 2,
    coordinateSystem: 'radar',
    legendHoverLink: true,
    radarIndex: 0,
    lineStyle: {
      width: 2,
      type: 'solid'
    },
    label: {
      position: 'top'
    },
    // areaStyle: {
    // },
    // itemStyle: {}
    symbol: 'emptyCircle',
    symbolSize: 4 // symbolRotate: null

  }
});
export default RadarSeries;