@geoext/geoext/src/data/serializer/TileWMS.js

GeoExt is Open Source and enables building desktop-like GIS applications through the web. It is a JavaScript framework that combines the GIS functionality of OpenLayers with the user interface savvy of the ExtJS library provided by Sencha.

/* Copyright (c) 2015-present The Open Source Geospatial Foundation
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
/**
 * A serializer for layers that have an `ol.source.TileWMS` source.
 *
 * @class GeoExt.data.serializer.TileWMS
 */
Ext.define(
  'GeoExt.data.serializer.TileWMS',
  {
    extend: 'GeoExt.data.serializer.Base',
    mixins: ['GeoExt.mixin.SymbolCheck'],

    // <debug>
    symbols: [
      'ol.layer.Layer#getOpacity',
      'ol.source.TileWMS',
      'ol.source.TileWMS#getUrls',
      'ol.source.TileWMS#getParams',
    ],
    // </debug>

    inheritableStatics: {
      /**
       * @inheritdoc
       */
      sourceCls: ol.source.TileWMS,

      /**
       * @inheritdoc
       */
      serialize: function (layer, source) {
        this.validateSource(source);
        const styles = source.getParams().STYLES;
        let stylesArray;
        if (Ext.isArray(styles)) {
          stylesArray = styles;
        } else {
          stylesArray = styles ? styles.split(',') : [''];
        }
        const serialized = {
          baseURL: source.getUrls()[0],
          customParams: source.getParams(),
          layers: [source.getParams().LAYERS],
          opacity: layer.getOpacity(),
          styles: stylesArray,
          type: 'WMS',
        };
        return serialized;
      },
    },
  },
  function (cls) {
    // Register this serializer via the inherited method `register`.
    cls.register(cls);
  },
);