echarts/src/component/marker/MarkerView.js

A powerful charting and visualization library for browser

import * as echarts from '../../echarts';
import * as zrUtil from 'zrender/src/core/util';

export default echarts.extendComponentView({

    type: 'marker',

    init: function () {
        /**
         * Markline grouped by series
         * @private
         * @type {module:zrender/core/util.HashMap}
         */
        this.markerGroupMap = zrUtil.createHashMap();
    },

    render: function (markerModel, ecModel, api) {
        var markerGroupMap = this.markerGroupMap;
        markerGroupMap.each(function (item) {
            item.__keep = false;
        });

        var markerModelKey = this.type + 'Model';
        ecModel.eachSeries(function (seriesModel) {
            var markerModel = seriesModel[markerModelKey];
            markerModel && this.renderSeries(seriesModel, markerModel, ecModel, api);
        }, this);

        markerGroupMap.each(function (item) {
            !item.__keep && this.group.remove(item.group);
        }, this);
    },

    renderSeries: function () {}
});