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100 lines
3.5 KiB
JavaScript
100 lines
3.5 KiB
JavaScript
/*****************************************************************************
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* Open MCT Web, Copyright (c) 2014-2015, 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 Web 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 Web 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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/*global define,Promise*/
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define(
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[],
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function () {
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"use strict";
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/**
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* A ClickAwayController is used to toggle things (such as context
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* menus) where clicking elsewhere in the document while the toggle
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* is in an active state is intended to dismiss the toggle.
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*
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* @memberof platform/commonUI/general
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* @constructor
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* @param $scope the scope in which this controller is active
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* @param $document the document element, injected by Angular
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*/
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function ClickAwayController($scope, $document) {
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var self = this;
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this.state = false;
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this.$scope = $scope;
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this.$document = $document;
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// Callback used by the document listener. Deactivates;
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// note also $scope.$apply is invoked to indicate that
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// the state of this controller has changed.
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this.clickaway = function () {
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self.deactivate();
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$scope.$apply();
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return false;
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};
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}
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// Track state, but also attach and detach a listener for
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// mouseup events on the document.
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ClickAwayController.prototype.deactivate = function () {
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this.state = false;
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this.$document.off("mouseup", this.clickaway);
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};
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ClickAwayController.prototype.activate = function () {
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this.state = true;
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this.$document.on("mouseup", this.clickaway);
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};
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/**
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* Get the current state of the toggle.
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* @return {boolean} true if active
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*/
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ClickAwayController.prototype.isActive =function () {
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return this.state;
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};
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/**
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* Set a new state for the toggle.
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* @return {boolean} true to activate
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*/
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ClickAwayController.prototype.setState = function (newState) {
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if (this.state !== newState) {
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this.toggle();
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}
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};
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/**
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* Toggle the current state; activate if it is inactive,
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* deactivate if it is active.
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*/
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ClickAwayController.prototype.toggle = function () {
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if (this.state) {
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this.deactivate();
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} else {
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this.activate();
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}
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};
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return ClickAwayController;
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}
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);
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