en/builder/src/echarts3/chart/parallel/ParallelSeries.js

import List from '../../data/List';
import * as zrUtil from 'zrender/src/core/util';
import SeriesModel from '../../model/Series';
import completeDimensions from '../../data/helper/completeDimensions';
export default SeriesModel.extend({
  type: 'series.parallel',
  dependencies: ['parallel'],
  visualColorAccessPath: 'lineStyle.normal.color',
  getInitialData: function (option, ecModel) {
    var parallelModel = ecModel.getComponent('parallel', this.get('parallelIndex'));
    var parallelAxisIndices = parallelModel.parallelAxisIndex;
    var rawData = option.data;
    var modelDims = parallelModel.dimensions;
    var dataDims = generateDataDims(modelDims, rawData);
    var dataDimsInfo = zrUtil.map(dataDims, function (dim, dimIndex) {
      var modelDimsIndex = zrUtil.indexOf(modelDims, dim);
      var axisModel = modelDimsIndex >= 0 && ecModel.getComponent('parallelAxis', parallelAxisIndices[modelDimsIndex]);

      if (axisModel && axisModel.get('type') === 'category') {
        translateCategoryValue(axisModel, dim, rawData);
        return {
          name: dim,
          type: 'ordinal'
        };
      } else if (modelDimsIndex < 0) {
        return completeDimensions.guessOrdinal(rawData, dimIndex) ? {
          name: dim,
          type: 'ordinal'
        } : dim;
      } else {
        return dim;
      }
    });
    var list = new List(dataDimsInfo, this);
    list.initData(rawData); // Anication is forbiden in progressive data mode.

    if (this.option.progressive) {
      this.option.animation = false;
    }

    return list;
  },

  /**
   * User can get data raw indices on 'axisAreaSelected' event received.
   *
   * @public
   * @param {string} activeState 'active' or 'inactive' or 'normal'
   * @return {Array.<number>} Raw indices
   */
  getRawIndicesByActiveState: function (activeState) {
    var coordSys = this.coordinateSystem;
    var data = this.getData();
    var indices = [];
    coordSys.eachActiveState(data, function (theActiveState, dataIndex) {
      if (activeState === theActiveState) {
        indices.push(data.getRawIndex(dataIndex));
      }
    });
    return indices;
  },
  defaultOption: {
    zlevel: 0,
    // 一级层叠
    z: 2,
    // 二级层叠
    coordinateSystem: 'parallel',
    parallelIndex: 0,
    label: {
      normal: {
        show: false
      },
      emphasis: {
        show: false
      }
    },
    inactiveOpacity: 0.05,
    activeOpacity: 1,
    lineStyle: {
      normal: {
        width: 1,
        opacity: 0.45,
        type: 'solid'
      }
    },
    progressive: false,
    // 100
    smooth: false,
    animationEasing: 'linear'
  }
});

function translateCategoryValue(axisModel, dim, rawData) {
  var axisData = axisModel.get('data');
  var numberDim = convertDimNameToNumber(dim);

  if (axisData && axisData.length) {
    zrUtil.each(rawData, function (dataItem) {
      if (!dataItem) {
        return;
      } // FIXME
      // time consuming, should use hash?


      var index = zrUtil.indexOf(axisData, dataItem[numberDim]);
      dataItem[numberDim] = index >= 0 ? index : NaN;
    });
  } // FIXME
  // 如果没有设置axis data, 应自动算出，或者提示。

}

function convertDimNameToNumber(dimName) {
  return +dimName.replace('dim', '');
}

function generateDataDims(modelDims, rawData) {
  // parallelModel.dimension should not be regarded as data
  // dimensions. Consider dimensions = ['dim4', 'dim2', 'dim6'];
  // We detect max dim by parallelModel.dimensions and fist
  // item in rawData arbitrarily.
  var maxDimNum = 0;
  zrUtil.each(modelDims, function (dimName) {
    var numberDim = convertDimNameToNumber(dimName);
    numberDim > maxDimNum && (maxDimNum = numberDim);
  });
  var firstItem = rawData[0];

  if (firstItem && firstItem.length - 1 > maxDimNum) {
    maxDimNum = firstItem.length - 1;
  }

  var dataDims = [];

  for (var i = 0; i <= maxDimNum; i++) {
    dataDims.push('dim' + i);
  }

  return dataDims;
}