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/*****************************************************************************
* Open MCT, Copyright (c) 2014-2021, United States Government
* as represented by the Administrator of the National Aeronautics and Space
* Administration. All rights reserved.
*
* Open MCT 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.
*
* Open MCT includes source code licensed under additional open source
* licenses. See the Open Source Licenses file (LICENSES.md) included with
* this source code distribution or the Licensing information page available
* at runtime from the About dialog for additional information.
*****************************************************************************/
define(
[],
function () {
/**
* Drag-and-drop service.
* Supplements HTML5 drag-and-drop support by:
* * Storing arbitrary JavaScript objects (not just strings.)
* * Allowing inspection of dragged objects during `dragover` events,
* etc. (which cannot be done in Chrome for security reasons)
* @memberof platform/representation
* @constructor
* @param $log Angular's $log service
*/
function DndService($log) {
var data = {};
return {
/**
* Set drag data associated with a given type.
* @param {string} key the type's identiifer
* @param {*} value the data being dragged
* @memberof platform/representation.DndService#
*/
setData: function (key, value) {
$log.debug("Setting drag data for " + key);
data[key] = value;
},
/**
* Get drag data associated with a given type.
* @returns {*} the data being dragged
* @memberof platform/representation.DndService#
*/
getData: function (key) {
return data[key];
},
/**
* Remove data associated with active drags.
* @param {string} key the type to remove
* @memberof platform/representation.DndService#
*/
removeData: function (key) {
$log.debug("Clearing drag data for " + key);
delete data[key];
}
};
}
return DndService;
}
);
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