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59 lines
2.1 KiB
JavaScript
59 lines
2.1 KiB
JavaScript
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/*****************************************************************************
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* Open MCT, Copyright (c) 2014-2016, United States Government
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* as represented by the Administrator of the National Aeronautics and Space
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* Administration. All rights reserved.
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*
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* Open MCT is licensed under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0.
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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* Open MCT includes source code licensed under additional open source
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* licenses. See the Open Source Licenses file (LICENSES.md) included with
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* this source code distribution or the Licensing information page available
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* at runtime from the About dialog for additional information.
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*****************************************************************************/
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define(['zepto'], function ($) {
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function HoverGesture(hoverManager) {
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this.hoverManager = hoverManager;
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}
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HoverGesture.prototype.apply = function (htmlElement) {
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var $element = $(htmlElement);
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var hoverManager = this.hoverManager;
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function update() {
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$(hoverManager.all()).removeClass('hovering');
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$(hoverManager.top()).addClass('hovering');
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}
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function enter() {
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hoverManager.add(htmlElement);
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update();
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}
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function leave() {
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hoverManager.remove(htmlElement);
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update();
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}
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$element.on('mouseenter', enter);
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$element.on('mouseleave', leave);
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return function () {
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leave();
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$element.off('mouseenter', enter);
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$element.off('mouseleave', leave);
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}.bind(this);
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};
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return HoverGesture;
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});
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