MarkPointView.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 zrUtil = require("zrender/lib/core/util");

var SymbolDraw = require("../../chart/helper/SymbolDraw");

var numberUtil = require("../../util/number");

var List = require("../../data/List");

var markerHelper = require("./markerHelper");

var MarkerView = require("./MarkerView");

/*
* 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 updateMarkerLayout(mpData, seriesModel, api) {
  var coordSys = seriesModel.coordinateSystem;
  mpData.each(function (idx) {
    var itemModel = mpData.getItemModel(idx);
    var point;
    var xPx = numberUtil.parsePercent(itemModel.get('x'), api.getWidth());
    var yPx = numberUtil.parsePercent(itemModel.get('y'), api.getHeight());

    if (!isNaN(xPx) && !isNaN(yPx)) {
      point = [xPx, yPx];
    } // Chart like bar may have there own marker positioning logic
    else if (seriesModel.getMarkerPosition) {
        // Use the getMarkerPoisition
        point = seriesModel.getMarkerPosition(mpData.getValues(mpData.dimensions, idx));
      } else if (coordSys) {
        var x = mpData.get(coordSys.dimensions[0], idx);
        var y = mpData.get(coordSys.dimensions[1], idx);
        point = coordSys.dataToPoint([x, y]);
      } // Use x, y if has any


    if (!isNaN(xPx)) {
      point[0] = xPx;
    }

    if (!isNaN(yPx)) {
      point[1] = yPx;
    }

    mpData.setItemLayout(idx, point);
  });
}

var _default = MarkerView.extend({
  type: 'markPoint',
  // updateLayout: function (markPointModel, ecModel, api) {
  //     ecModel.eachSeries(function (seriesModel) {
  //         var mpModel = seriesModel.markPointModel;
  //         if (mpModel) {
  //             updateMarkerLayout(mpModel.getData(), seriesModel, api);
  //             this.markerGroupMap.get(seriesModel.id).updateLayout(mpModel);
  //         }
  //     }, this);
  // },
  updateTransform: function (markPointModel, ecModel, api) {
    ecModel.eachSeries(function (seriesModel) {
      var mpModel = seriesModel.markPointModel;

      if (mpModel) {
        updateMarkerLayout(mpModel.getData(), seriesModel, api);
        this.markerGroupMap.get(seriesModel.id).updateLayout(mpModel);
      }
    }, this);
  },
  renderSeries: function (seriesModel, mpModel, ecModel, api) {
    var coordSys = seriesModel.coordinateSystem;
    var seriesId = seriesModel.id;
    var seriesData = seriesModel.getData();
    var symbolDrawMap = this.markerGroupMap;
    var symbolDraw = symbolDrawMap.get(seriesId) || symbolDrawMap.set(seriesId, new SymbolDraw());
    var mpData = createList(coordSys, seriesModel, mpModel); // FIXME

    mpModel.setData(mpData);
    updateMarkerLayout(mpModel.getData(), seriesModel, api);
    mpData.each(function (idx) {
      var itemModel = mpData.getItemModel(idx);
      var symbolSize = itemModel.getShallow('symbolSize');

      if (typeof symbolSize === 'function') {
        // FIXME 这里不兼容 ECharts 2.x，2.x 貌似参数是整个数据？
        symbolSize = symbolSize(mpModel.getRawValue(idx), mpModel.getDataParams(idx));
      }

      mpData.setItemVisual(idx, {
        symbolSize: symbolSize,
        color: itemModel.get('itemStyle.color') || seriesData.getVisual('color'),
        symbol: itemModel.getShallow('symbol')
      });
    }); // TODO Text are wrong

    symbolDraw.updateData(mpData);
    this.group.add(symbolDraw.group); // Set host model for tooltip
    // FIXME

    mpData.eachItemGraphicEl(function (el) {
      el.traverse(function (child) {
        child.dataModel = mpModel;
      });
    });
    symbolDraw.__keep = true;
    symbolDraw.group.silent = mpModel.get('silent') || seriesModel.get('silent');
  }
});
/**
 * @inner
 * @param {module:echarts/coord/*} [coordSys]
 * @param {module:echarts/model/Series} seriesModel
 * @param {module:echarts/model/Model} mpModel
 */


function createList(coordSys, seriesModel, mpModel) {
  var coordDimsInfos;

  if (coordSys) {
    coordDimsInfos = zrUtil.map(coordSys && coordSys.dimensions, function (coordDim) {
      var info = seriesModel.getData().getDimensionInfo(seriesModel.getData().mapDimension(coordDim)) || {}; // In map series data don't have lng and lat dimension. Fallback to same with coordSys

      return zrUtil.defaults({
        name: coordDim
      }, info);
    });
  } else {
    coordDimsInfos = [{
      name: 'value',
      type: 'float'
    }];
  }

  var mpData = new List(coordDimsInfos, mpModel);
  var dataOpt = zrUtil.map(mpModel.get('data'), zrUtil.curry(markerHelper.dataTransform, seriesModel));

  if (coordSys) {
    dataOpt = zrUtil.filter(dataOpt, zrUtil.curry(markerHelper.dataFilter, coordSys));
  }

  mpData.initData(dataOpt, null, coordSys ? markerHelper.dimValueGetter : function (item) {
    return item.value;
  });
  return mpData;
}

module.exports = _default;