77 lines
2.7 KiB
JavaScript
77 lines
2.7 KiB
JavaScript
/*
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* Copyright (C) 2014 Glyptodon LLC
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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/**
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* A directive which allows elements to be manually focused / blurred.
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*/
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angular.module('element').directive('guacFocus', ['$timeout', '$parse', function guacFocus($timeout, $parse) {
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return {
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restrict: 'A',
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link: function linkGuacFocus($scope, $element, $attrs) {
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/**
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* Whether the element associated with this directive should be
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* focussed.
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*
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* @type Boolean
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*/
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var guacFocus = $parse($attrs.guacFocus);
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/**
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* The element which will register the drag gesture.
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*
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* @type Element
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*/
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var element = $element[0];
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// Set/unset focus depending on value of guacFocus
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$scope.$watch(guacFocus, function updateFocus(value) {
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$timeout(function updateFocusAsync() {
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if (value)
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element.focus();
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else
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element.blur();
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});
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});
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// Set focus flag when focus is received
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element.addEventListener('focus', function focusReceived() {
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$scope.$apply(function setGuacFocus() {
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guacFocus.assign($scope, true);
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});
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});
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// Unset focus flag when focus is lost
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element.addEventListener('blur', function focusLost() {
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$scope.$apply(function unsetGuacFocus() {
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guacFocus.assign($scope, false);
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});
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});
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} // end guacFocus link function
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};
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}]);
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