73 lines
1.9 KiB
JavaScript
73 lines
1.9 KiB
JavaScript
/*eslint no-unused-vars: "angularIO" */
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/*
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* Announcement Bar Banner Directive
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*
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* A rotating announcement banners used to display
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* important updates and news.
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*/
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angularIO.directive('announcementBar', ['$interval', function($interval) {
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return {
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restrict: 'E',
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scope: {},
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transclude: true,
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replace: true,
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template:
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'<div class="announcement-bar">' +
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'<div class="announcement-bar-slides" ng-transclude></div>' +
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'<nav class="announcement-bar-nav">'+
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'<button ng-class="{ selected: currentSlide === key }" ng-repeat="(key, slide) in slides" ng-click="changeSlide($event, key)">{{key}}</button>' +
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'</nav>' +
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'</div>',
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link: function(scope, element, attrs) {
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// REGISTER ELEMENTS
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scope.slides = angular.element(element[0].getElementsByClassName('announcement-bar-slide'));
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var slideLenth = scope.slides.length;
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// SHOW FIRST SLIDE
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scope.currentSlide = 0;
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angular.element(scope.slides[0]).addClass('is-visible');
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/*
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* Change Slide Using Nav
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*
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*/
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scope.changeSlide = function(event, slideNum) {
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// CANCEL TIMEOUT AND CHANGE SLIDE
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$interval.cancel(scope.timeoutId)
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scope.slides.removeClass('is-visible');
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angular.element(scope.slides[slideNum]).addClass('is-visible');
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scope.currentSlide = slideNum;
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};
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/*
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* Start Slideshow Cyle
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*
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*/
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scope.timeoutId = $interval(function() {
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// INCREMENT
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scope.currentSlide = scope.currentSlide + 1;
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// HIDE ALL SLIDES
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scope.slides.removeClass('is-visible');
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// RESET ON LAST SLIDE
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if((scope.currentSlide) > (slideLenth - 1)) {
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scope.currentSlide = 0;
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}
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// SHOW SLIDE
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angular.element(scope.slides[scope.currentSlide]).addClass('is-visible');
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}, 5000);
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}
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};
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}]);
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