Source: formats/kml/controls/KmlControls.js

/*
 * Copyright 2003-2006, 2009, 2017, 2020 United States Government, as represented
 * by the Administrator of the National Aeronautics and Space Administration.
 * All rights reserved.
 *
 * The NASAWorldWind/WebWorldWind platform is licensed 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.
 *
 * NASAWorldWind/WebWorldWind also contains the following 3rd party Open Source
 * software:
 *
 *    ES6-Promise – under MIT License
 *    libtess.js – SGI Free Software License B
 *    Proj4 – under MIT License
 *    JSZip – under MIT License
 *
 * A complete listing of 3rd Party software notices and licenses included in
 * WebWorldWind can be found in the WebWorldWind 3rd-party notices and licenses
 * PDF found in code  directory.
 */
define(['../../../util/Logger'], function (Logger) {
    "use strict";
    /**
     * Every control used by the KML should inherit from this class. It contains common functionality and basically
     * serves as a reference to what needs to be implemented in the descendants.
     * @alias KmlControls
     * @constructor
     */
    var KmlControls = function() {

    };

    /**
     * Controls added to the KML document will be notified by the update of the Kml document. Hook is method which is
     * called once, when the element is updated. It is necessary to be careful and hook the element only once. The
     * other solution is to make sure the ids will be used correctly.
     */
    KmlControls.prototype.hook = function() {
        Logger.logMessage(Logger.LEVEL_WARNING, "KmlControls", "hook", "Every KML controls should override hook" +
            " method.");
    };

    return KmlControls;
});