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78 lines
3.0 KiB
JavaScript
78 lines
3.0 KiB
JavaScript
/*****************************************************************************
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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(
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[],
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function () {
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/**
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* The `mct-click-elsewhere` directive will evaluate its
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* associated expression whenever a `mousedown` occurs anywhere
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* outside of the element that has the `mct-click-elsewhere`
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* directive attached. This is useful for dismissing popups
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* and the like.
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*/
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function MCTClickElsewhere($document) {
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// Link; install event handlers.
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function link(scope, element, attrs) {
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// Keep a reference to the body, to attach/detach
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// mouse event handlers; mousedown and mouseup cannot
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// only be attached to the element being linked, as the
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// mouse may leave this element during the drag.
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var body = $document.find('body');
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function clickBody(event) {
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var x = event.clientX,
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y = event.clientY,
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rect = element[0].getBoundingClientRect(),
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xMin = rect.left,
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xMax = xMin + rect.width,
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yMin = rect.top,
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yMax = yMin + rect.height;
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if (x < xMin || x > xMax || y < yMin || y > yMax) {
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scope.$apply(function () {
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scope.$eval(attrs.mctClickElsewhere);
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});
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}
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}
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body.on("mousedown", clickBody);
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scope.$on("$destroy", function () {
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body.off("mousedown", clickBody);
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});
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}
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return {
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// mct-drag only makes sense as an attribute
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restrict: "A",
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// Link function, to install event handlers
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link: link
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};
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}
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return MCTClickElsewhere;
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}
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);
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