78 lines
3.0 KiB
JavaScript

/*****************************************************************************
* Open MCT, Copyright (c) 2014-2016, 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 () {
/**
* The `mct-click-elsewhere` directive will evaluate its
* associated expression whenever a `mousedown` occurs anywhere
* outside of the element that has the `mct-click-elsewhere`
* directive attached. This is useful for dismissing popups
* and the like.
*/
function MCTClickElsewhere($document) {
// Link; install event handlers.
function link(scope, element, attrs) {
// Keep a reference to the body, to attach/detach
// mouse event handlers; mousedown and mouseup cannot
// only be attached to the element being linked, as the
// mouse may leave this element during the drag.
var body = $document.find('body');
function clickBody(event) {
var x = event.clientX,
y = event.clientY,
rect = element[0].getBoundingClientRect(),
xMin = rect.left,
xMax = xMin + rect.width,
yMin = rect.top,
yMax = yMin + rect.height;
if (x < xMin || x > xMax || y < yMin || y > yMax) {
scope.$apply(function () {
scope.$eval(attrs.mctClickElsewhere);
});
}
}
body.on("mousedown", clickBody);
scope.$on("$destroy", function () {
body.off("mousedown", clickBody);
});
}
return {
// mct-drag only makes sense as an attribute
restrict: "A",
// Link function, to install event handlers
link: link
};
}
return MCTClickElsewhere;
}
);