/*! lightgallery - v1.2.21 - 2016-06-28
* http://sachinchoolur.github.io/lightGallery/
* Copyright (c) 2016 Sachin N; Licensed Apache 2.0 */
(function ($, window, document, undefined) {
'use strict';
var defaults = {
hash: true
};
var Hash = function (element) {
this.core = $(element).data('lightGallery');
this.core.s = $.extend({}, defaults, this.core.s);
if (this.core.s.hash) {
this.oldHash = window.location.hash;
this.init();
}
return this;
};
Hash.prototype.init = function () {
var _this = this;
var _hash;
// Change hash value on after each slide transition
_this.core.$el.on('onAfterSlide.lg.tm', function (event, prevIndex, index) {
window.location.hash = 'lg=' + _this.core.s.galleryId + '&slide=' + index;
});
// Listen hash change and change the slide according to slide value
$(window).on('hashchange.lg.hash', function () {
_hash = window.location.hash;
var _idx = parseInt(_hash.split('&slide=')[1], 10);
// it galleryId doesn't exist in the url close the gallery
if ((_hash.indexOf('lg=' + _this.core.s.galleryId) > -1)) {
_this.core.slide(_idx, false, false);
} else if (_this.core.lGalleryOn) {
_this.core.destroy();
}
});
};
Hash.prototype.destroy = function () {
if (!this.core.s.hash) {
return;
}
// Reset to old hash value
if (this.oldHash && this.oldHash.indexOf('lg=' + this.core.s.galleryId) < 0) {
window.location.hash = this.oldHash;
} else {
if (history.pushState) {
history.pushState('', document.title, window.location.pathname + window.location.search);
} else {
window.location.hash = '';
}
}
this.core.$el.off('.lg.hash');
};
$.fn.lightGallery.modules.hash = Hash;
})(jQuery, window, document); |