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1317 lines
42 KiB
1317 lines
42 KiB
/*! lightgallery - v1.2.21 - 2016-06-28
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* http://sachinchoolur.github.io/lightGallery/
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* Copyright (c) 2016 Sachin N; Licensed Apache 2.0 */
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(function($, window, document, undefined) {
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'use strict';
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var defaults = {
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mode: 'lg-slide',
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// Ex : 'ease'
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cssEasing: 'ease',
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//'for jquery animation'
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easing: 'linear',
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speed: 600,
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height: '100%',
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width: '100%',
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addClass: '',
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startClass: 'lg-start-zoom',
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backdropDuration: 150,
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hideBarsDelay: 6000,
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useLeft: false,
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closable: true,
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loop: true,
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escKey: true,
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keyPress: true,
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controls: true,
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slideEndAnimatoin: true,
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hideControlOnEnd: false,
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mousewheel: true,
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getCaptionFromTitleOrAlt: true,
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// .lg-item || '.lg-sub-html'
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appendSubHtmlTo: '.lg-sub-html',
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subHtmlSelectorRelative: false,
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/**
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* @desc number of preload slides
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* will exicute only after the current slide is fully loaded.
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*
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* @ex you clicked on 4th image and if preload = 1 then 3rd slide and 5th
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* slide will be loaded in the background after the 4th slide is fully loaded..
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* if preload is 2 then 2nd 3rd 5th 6th slides will be preloaded.. ... ...
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*
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*/
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preload: 1,
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showAfterLoad: true,
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selector: '',
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selectWithin: '',
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nextHtml: '',
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prevHtml: '',
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// 0, 1
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index: false,
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iframeMaxWidth: '100%',
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download: true,
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counter: true,
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appendCounterTo: '.lg-toolbar',
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swipeThreshold: 50,
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enableSwipe: true,
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enableDrag: true,
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dynamic: false,
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dynamicEl: [],
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galleryId: 1
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};
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function Plugin(element, options) {
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// Current lightGallery element
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this.el = element;
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// Current jquery element
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this.$el = $(element);
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// lightGallery settings
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this.s = $.extend({}, defaults, options);
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// When using dynamic mode, ensure dynamicEl is an array
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if (this.s.dynamic && this.s.dynamicEl !== 'undefined' && this.s.dynamicEl.constructor === Array && !this.s.dynamicEl.length) {
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throw ('When using dynamic mode, you must also define dynamicEl as an Array.');
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}
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// lightGallery modules
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this.modules = {};
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// false when lightgallery complete first slide;
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this.lGalleryOn = false;
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this.lgBusy = false;
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// Timeout function for hiding controls;
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this.hideBartimeout = false;
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// To determine browser supports for touch events;
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this.isTouch = ('ontouchstart' in document.documentElement);
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// Disable hideControlOnEnd if sildeEndAnimation is true
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if (this.s.slideEndAnimatoin) {
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this.s.hideControlOnEnd = false;
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}
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// Gallery items
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if (this.s.dynamic) {
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this.$items = this.s.dynamicEl;
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} else {
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if (this.s.selector === 'this') {
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this.$items = this.$el;
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} else if (this.s.selector !== '') {
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if (this.s.selectWithin) {
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this.$items = $(this.s.selectWithin).find(this.s.selector);
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} else {
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this.$items = this.$el.find($(this.s.selector));
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}
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} else {
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this.$items = this.$el.children();
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}
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}
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// .lg-item
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this.$slide = '';
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// .lg-outer
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this.$outer = '';
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this.init();
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return this;
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}
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Plugin.prototype.init = function() {
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var _this = this;
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// s.preload should not be more than $item.length
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if (_this.s.preload > _this.$items.length) {
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_this.s.preload = _this.$items.length;
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}
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// if dynamic option is enabled execute immediately
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var _hash = window.location.hash;
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if (_hash.indexOf('lg=' + this.s.galleryId) > 0) {
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_this.index = parseInt(_hash.split('&slide=')[1], 10);
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$('body').addClass('lg-from-hash');
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if (!$('body').hasClass('lg-on')) {
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setTimeout(function() {
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_this.build(_this.index);
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$('body').addClass('lg-on');
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});
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}
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}
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if (_this.s.dynamic) {
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_this.$el.trigger('onBeforeOpen.lg');
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_this.index = _this.s.index || 0;
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// prevent accidental double execution
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if (!$('body').hasClass('lg-on')) {
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setTimeout(function() {
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_this.build(_this.index);
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$('body').addClass('lg-on');
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});
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}
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} else {
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// Using different namespace for click because click event should not unbind if selector is same object('this')
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_this.$items.on('click.lgcustom', function(event) {
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// For IE8
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try {
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event.preventDefault();
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event.preventDefault();
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} catch (er) {
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event.returnValue = false;
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}
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_this.$el.trigger('onBeforeOpen.lg');
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_this.index = _this.s.index || _this.$items.index(this);
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// prevent accidental double execution
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if (!$('body').hasClass('lg-on')) {
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_this.build(_this.index);
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$('body').addClass('lg-on');
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}
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});
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}
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};
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Plugin.prototype.build = function(index) {
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var _this = this;
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_this.structure();
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// module constructor
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$.each($.fn.lightGallery.modules, function(key) {
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_this.modules[key] = new $.fn.lightGallery.modules[key](_this.el);
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});
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// initiate slide function
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_this.slide(index, false, false);
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if (_this.s.keyPress) {
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_this.keyPress();
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}
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if (_this.$items.length > 1) {
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_this.arrow();
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setTimeout(function() {
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_this.enableDrag();
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_this.enableSwipe();
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}, 50);
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if (_this.s.mousewheel) {
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_this.mousewheel();
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}
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}
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_this.counter();
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_this.closeGallery();
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_this.$el.trigger('onAfterOpen.lg');
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// Hide controllers if mouse doesn't move for some period
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_this.$outer.on('mousemove.lg click.lg touchstart.lg', function() {
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_this.$outer.removeClass('lg-hide-items');
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clearTimeout(_this.hideBartimeout);
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// Timeout will be cleared on each slide movement also
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_this.hideBartimeout = setTimeout(function() {
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_this.$outer.addClass('lg-hide-items');
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}, _this.s.hideBarsDelay);
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});
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};
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Plugin.prototype.structure = function() {
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var list = '';
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var controls = '';
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var i = 0;
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var subHtmlCont = '';
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var template;
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var _this = this;
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$('body').append('<div class="lg-backdrop"></div>');
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$('.lg-backdrop').css('transition-duration', this.s.backdropDuration + 'ms');
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// Create gallery items
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for (i = 0; i < this.$items.length; i++) {
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list += '<div class="lg-item"></div>';
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}
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// Create controlls
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if (this.s.controls && this.$items.length > 1) {
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controls = '<div class="lg-actions">' +
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'<div class="lg-prev lg-icon">' + this.s.prevHtml + '</div>' +
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'<div class="lg-next lg-icon">' + this.s.nextHtml + '</div>' +
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'</div>';
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}
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if (this.s.appendSubHtmlTo === '.lg-sub-html') {
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subHtmlCont = '<div class="lg-sub-html"></div>';
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}
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template = '<div class="lg-outer ' + this.s.addClass + ' ' + this.s.startClass + '">' +
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'<div class="lg" style="width:' + this.s.width + '; height:' + this.s.height + '">' +
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'<div class="lg-inner">' + list + '</div>' +
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'<div class="lg-toolbar group">' +
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'<span class="lg-close lg-icon"></span>' +
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'</div>' +
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controls +
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subHtmlCont +
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'</div>' +
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'</div>';
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$('body').append(template);
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this.$outer = $('.lg-outer');
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this.$slide = this.$outer.find('.lg-item');
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if (this.s.useLeft) {
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this.$outer.addClass('lg-use-left');
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// Set mode lg-slide if use left is true;
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this.s.mode = 'lg-slide';
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} else {
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this.$outer.addClass('lg-use-css3');
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}
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// For fixed height gallery
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_this.setTop();
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$(window).on('resize.lg orientationchange.lg', function() {
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setTimeout(function() {
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_this.setTop();
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}, 100);
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});
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// add class lg-current to remove initial transition
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this.$slide.eq(this.index).addClass('lg-current');
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// add Class for css support and transition mode
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if (this.doCss()) {
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this.$outer.addClass('lg-css3');
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} else {
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this.$outer.addClass('lg-css');
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// Set speed 0 because no animation will happen if browser doesn't support css3
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this.s.speed = 0;
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}
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this.$outer.addClass(this.s.mode);
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if (this.s.enableDrag && this.$items.length > 1) {
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this.$outer.addClass('lg-grab');
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}
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if (this.s.showAfterLoad) {
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this.$outer.addClass('lg-show-after-load');
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}
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if (this.doCss()) {
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var $inner = this.$outer.find('.lg-inner');
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$inner.css('transition-timing-function', this.s.cssEasing);
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$inner.css('transition-duration', this.s.speed + 'ms');
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}
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$('.lg-backdrop').addClass('in');
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setTimeout(function() {
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_this.$outer.addClass('lg-visible');
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}, this.s.backdropDuration);
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if (this.s.download) {
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this.$outer.find('.lg-toolbar').append('<a id="lg-download" target="_blank" download class="lg-download lg-icon"></a>');
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}
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// Store the current scroll top value to scroll back after closing the gallery..
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this.prevScrollTop = $(window).scrollTop();
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};
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// For fixed height gallery
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Plugin.prototype.setTop = function() {
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if (this.s.height !== '100%') {
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var wH = $(window).height();
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var top = (wH - parseInt(this.s.height, 10)) / 2;
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var $lGallery = this.$outer.find('.lg');
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if (wH >= parseInt(this.s.height, 10)) {
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$lGallery.css('top', top + 'px');
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} else {
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$lGallery.css('top', '0px');
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}
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}
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};
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// Find css3 support
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Plugin.prototype.doCss = function() {
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// check for css animation support
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var support = function() {
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var transition = ['transition', 'MozTransition', 'WebkitTransition', 'OTransition', 'msTransition', 'KhtmlTransition'];
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var root = document.documentElement;
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var i = 0;
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for (i = 0; i < transition.length; i++) {
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if (transition[i] in root.style) {
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return true;
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}
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}
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};
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if (support()) {
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return true;
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}
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return false;
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};
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/**
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* @desc Check the given src is video
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* @param {String} src
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* @return {Object} video type
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* Ex:{ youtube : ["//www.youtube.com/watch?v=c0asJgSyxcY", "c0asJgSyxcY"] }
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*/
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Plugin.prototype.isVideo = function(src, index) {
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var html;
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if (this.s.dynamic) {
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html = this.s.dynamicEl[index].html;
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} else {
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html = this.$items.eq(index).attr('data-html');
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}
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if (!src && html) {
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return {
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html5: true
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};
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}
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var youtube = src.match(/\/\/(?:www\.)?youtu(?:\.be|be\.com)\/(?:watch\?v=|embed\/)?([a-z0-9\-\_\%]+)/i);
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var vimeo = src.match(/\/\/(?:www\.)?vimeo.com\/([0-9a-z\-_]+)/i);
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var dailymotion = src.match(/\/\/(?:www\.)?dai.ly\/([0-9a-z\-_]+)/i);
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var vk = src.match(/\/\/(?:www\.)?(?:vk\.com|vkontakte\.ru)\/(?:video_ext\.php\?)(.*)/i);
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if (youtube) {
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return {
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youtube: youtube
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};
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} else if (vimeo) {
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return {
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vimeo: vimeo
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};
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} else if (dailymotion) {
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return {
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dailymotion: dailymotion
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};
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} else if (vk) {
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return {
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vk: vk
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};
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}
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};
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/**
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* @desc Create image counter
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* Ex: 1/10
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*/
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Plugin.prototype.counter = function() {
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if (this.s.counter) {
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$(this.s.appendCounterTo).append('<div id="lg-counter"><span id="lg-counter-current">' + (parseInt(this.index, 10) + 1) + '</span> / <span id="lg-counter-all">' + this.$items.length + '</span></div>');
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}
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};
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/**
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* @desc add sub-html into the slide
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* @param {Number} index - index of the slide
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*/
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Plugin.prototype.addHtml = function(index) {
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var subHtml = null;
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var subHtmlUrl;
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var $currentEle;
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if (this.s.dynamic) {
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if (this.s.dynamicEl[index].subHtmlUrl) {
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subHtmlUrl = this.s.dynamicEl[index].subHtmlUrl;
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} else {
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subHtml = this.s.dynamicEl[index].subHtml;
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}
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} else {
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$currentEle = this.$items.eq(index);
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if ($currentEle.attr('data-sub-html-url')) {
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subHtmlUrl = $currentEle.attr('data-sub-html-url');
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} else {
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subHtml = $currentEle.attr('data-sub-html');
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if (this.s.getCaptionFromTitleOrAlt && !subHtml) {
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subHtml = $currentEle.attr('title') || $currentEle.find('img').first().attr('alt');
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}
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}
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}
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if (!subHtmlUrl) {
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if (typeof subHtml !== 'undefined' && subHtml !== null) {
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// get first letter of subhtml
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// if first letter starts with . or # get the html form the jQuery object
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var fL = subHtml.substring(0, 1);
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if (fL === '.' || fL === '#') {
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if (this.s.subHtmlSelectorRelative && !this.s.dynamic) {
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subHtml = $currentEle.find(subHtml).html();
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} else {
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subHtml = $(subHtml).html();
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}
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}
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} else {
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subHtml = '';
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}
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}
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if (this.s.appendSubHtmlTo === '.lg-sub-html') {
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if (subHtmlUrl) {
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this.$outer.find(this.s.appendSubHtmlTo).load(subHtmlUrl);
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} else {
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this.$outer.find(this.s.appendSubHtmlTo).html(subHtml);
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}
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} else {
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if (subHtmlUrl) {
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this.$slide.eq(index).load(subHtmlUrl);
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} else {
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this.$slide.eq(index).append(subHtml);
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}
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}
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// Add lg-empty-html class if title doesn't exist
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if (typeof subHtml !== 'undefined' && subHtml !== null) {
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if (subHtml === '') {
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this.$outer.find(this.s.appendSubHtmlTo).addClass('lg-empty-html');
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} else {
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this.$outer.find(this.s.appendSubHtmlTo).removeClass('lg-empty-html');
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}
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}
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this.$el.trigger('onAfterAppendSubHtml.lg', [index]);
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};
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/**
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* @desc Preload slides
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* @param {Number} index - index of the slide
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*/
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Plugin.prototype.preload = function(index) {
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var i = 1;
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var j = 1;
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for (i = 1; i <= this.s.preload; i++) {
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if (i >= this.$items.length - index) {
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break;
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}
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this.loadContent(index + i, false, 0);
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}
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for (j = 1; j <= this.s.preload; j++) {
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if (index - j < 0) {
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break;
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}
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this.loadContent(index - j, false, 0);
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}
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};
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/**
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* @desc Load slide content into slide.
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* @param {Number} index - index of the slide.
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* @param {Boolean} rec - if true call loadcontent() function again.
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* @param {Boolean} delay - delay for adding complete class. it is 0 except first time.
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*/
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Plugin.prototype.loadContent = function(index, rec, delay) {
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var _this = this;
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var _hasPoster = false;
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var _$img;
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var _src;
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var _poster;
|
|
var _srcset;
|
|
var _sizes;
|
|
var _html;
|
|
var getResponsiveSrc = function(srcItms) {
|
|
var rsWidth = [];
|
|
var rsSrc = [];
|
|
for (var i = 0; i < srcItms.length; i++) {
|
|
var __src = srcItms[i].split(' ');
|
|
|
|
// Manage empty space
|
|
if (__src[0] === '') {
|
|
__src.splice(0, 1);
|
|
}
|
|
|
|
rsSrc.push(__src[0]);
|
|
rsWidth.push(__src[1]);
|
|
}
|
|
|
|
var wWidth = $(window).width();
|
|
for (var j = 0; j < rsWidth.length; j++) {
|
|
if (parseInt(rsWidth[j], 10) > wWidth) {
|
|
_src = rsSrc[j];
|
|
break;
|
|
}
|
|
}
|
|
};
|
|
|
|
if (_this.s.dynamic) {
|
|
|
|
if (_this.s.dynamicEl[index].poster) {
|
|
_hasPoster = true;
|
|
_poster = _this.s.dynamicEl[index].poster;
|
|
}
|
|
|
|
_html = _this.s.dynamicEl[index].html;
|
|
_src = _this.s.dynamicEl[index].src;
|
|
|
|
if (_this.s.dynamicEl[index].responsive) {
|
|
var srcDyItms = _this.s.dynamicEl[index].responsive.split(',');
|
|
getResponsiveSrc(srcDyItms);
|
|
}
|
|
|
|
_srcset = _this.s.dynamicEl[index].srcset;
|
|
_sizes = _this.s.dynamicEl[index].sizes;
|
|
|
|
} else {
|
|
|
|
if (_this.$items.eq(index).attr('data-poster')) {
|
|
_hasPoster = true;
|
|
_poster = _this.$items.eq(index).attr('data-poster');
|
|
}
|
|
|
|
_html = _this.$items.eq(index).attr('data-html');
|
|
_src = _this.$items.eq(index).attr('href') || _this.$items.eq(index).attr('data-src');
|
|
|
|
if (_this.$items.eq(index).attr('data-responsive')) {
|
|
var srcItms = _this.$items.eq(index).attr('data-responsive').split(',');
|
|
getResponsiveSrc(srcItms);
|
|
}
|
|
|
|
_srcset = _this.$items.eq(index).attr('data-srcset');
|
|
_sizes = _this.$items.eq(index).attr('data-sizes');
|
|
|
|
}
|
|
|
|
//if (_src || _srcset || _sizes || _poster) {
|
|
|
|
var iframe = false;
|
|
if (_this.s.dynamic) {
|
|
if (_this.s.dynamicEl[index].iframe) {
|
|
iframe = true;
|
|
}
|
|
} else {
|
|
if (_this.$items.eq(index).attr('data-iframe') === 'true') {
|
|
iframe = true;
|
|
}
|
|
}
|
|
|
|
var _isVideo = _this.isVideo(_src, index);
|
|
if (!_this.$slide.eq(index).hasClass('lg-loaded')) {
|
|
if (iframe) {
|
|
_this.$slide.eq(index).prepend('<div class="lg-video-cont" style="max-width:' + _this.s.iframeMaxWidth + '"><div class="lg-video"><iframe class="lg-object" frameborder="0" src="' + _src + '" allowfullscreen="true"></iframe></div></div>');
|
|
} else if (_hasPoster) {
|
|
var videoClass = '';
|
|
if (_isVideo && _isVideo.youtube) {
|
|
videoClass = 'lg-has-youtube';
|
|
} else if (_isVideo && _isVideo.vimeo) {
|
|
videoClass = 'lg-has-vimeo';
|
|
} else {
|
|
videoClass = 'lg-has-html5';
|
|
}
|
|
|
|
_this.$slide.eq(index).prepend('<div class="lg-video-cont ' + videoClass + ' "><div class="lg-video"><span class="lg-video-play"></span><img class="lg-object lg-has-poster" src="' + _poster + '" /></div></div>');
|
|
|
|
} else if (_isVideo) {
|
|
_this.$slide.eq(index).prepend('<div class="lg-video-cont "><div class="lg-video"></div></div>');
|
|
_this.$el.trigger('hasVideo.lg', [index, _src, _html]);
|
|
} else {
|
|
_this.$slide.eq(index).prepend('<div class="lg-img-wrap"><img class="lg-object lg-image" src="' + _src + '" /></div>');
|
|
}
|
|
|
|
_this.$el.trigger('onAferAppendSlide.lg', [index]);
|
|
|
|
_$img = _this.$slide.eq(index).find('.lg-object');
|
|
if (_sizes) {
|
|
_$img.attr('sizes', _sizes);
|
|
}
|
|
|
|
if (_srcset) {
|
|
_$img.attr('srcset', _srcset);
|
|
try {
|
|
picturefill({
|
|
elements: [_$img[0]]
|
|
});
|
|
} catch (e) {
|
|
console.error('Make sure you have included Picturefill version 2');
|
|
}
|
|
}
|
|
|
|
if (this.s.appendSubHtmlTo !== '.lg-sub-html') {
|
|
_this.addHtml(index);
|
|
}
|
|
|
|
_this.$slide.eq(index).addClass('lg-loaded');
|
|
}
|
|
|
|
_this.$slide.eq(index).find('.lg-object').on('load.lg error.lg', function() {
|
|
|
|
// For first time add some delay for displaying the start animation.
|
|
var _speed = 0;
|
|
|
|
// Do not change the delay value because it is required for zoom plugin.
|
|
// If gallery opened from direct url (hash) speed value should be 0
|
|
if (delay && !$('body').hasClass('lg-from-hash')) {
|
|
_speed = delay;
|
|
}
|
|
|
|
setTimeout(function() {
|
|
_this.$slide.eq(index).addClass('lg-complete');
|
|
_this.$el.trigger('onSlideItemLoad.lg', [index, delay || 0]);
|
|
}, _speed);
|
|
|
|
});
|
|
|
|
// @todo check load state for html5 videos
|
|
if (_isVideo && _isVideo.html5 && !_hasPoster) {
|
|
_this.$slide.eq(index).addClass('lg-complete');
|
|
}
|
|
|
|
if (rec === true) {
|
|
if (!_this.$slide.eq(index).hasClass('lg-complete')) {
|
|
_this.$slide.eq(index).find('.lg-object').on('load.lg error.lg', function() {
|
|
_this.preload(index);
|
|
});
|
|
} else {
|
|
_this.preload(index);
|
|
}
|
|
}
|
|
|
|
//}
|
|
};
|
|
|
|
/**
|
|
* @desc slide function for lightgallery
|
|
** Slide() gets call on start
|
|
** ** Set lg.on true once slide() function gets called.
|
|
** Call loadContent() on slide() function inside setTimeout
|
|
** ** On first slide we do not want any animation like slide of fade
|
|
** ** So on first slide( if lg.on if false that is first slide) loadContent() should start loading immediately
|
|
** ** Else loadContent() should wait for the transition to complete.
|
|
** ** So set timeout s.speed + 50
|
|
<=> ** loadContent() will load slide content in to the particular slide
|
|
** ** It has recursion (rec) parameter. if rec === true loadContent() will call preload() function.
|
|
** ** preload will execute only when the previous slide is fully loaded (images iframe)
|
|
** ** avoid simultaneous image load
|
|
<=> ** Preload() will check for s.preload value and call loadContent() again accoring to preload value
|
|
** loadContent() <====> Preload();
|
|
|
|
* @param {Number} index - index of the slide
|
|
* @param {Boolean} fromTouch - true if slide function called via touch event or mouse drag
|
|
* @param {Boolean} fromThumb - true if slide function called via thumbnail click
|
|
*/
|
|
Plugin.prototype.slide = function(index, fromTouch, fromThumb) {
|
|
|
|
var _prevIndex = this.$outer.find('.lg-current').index();
|
|
var _this = this;
|
|
|
|
// Prevent if multiple call
|
|
// Required for hsh plugin
|
|
if (_this.lGalleryOn && (_prevIndex === index)) {
|
|
return;
|
|
}
|
|
|
|
var _length = this.$slide.length;
|
|
var _time = _this.lGalleryOn ? this.s.speed : 0;
|
|
var _next = false;
|
|
var _prev = false;
|
|
|
|
if (!_this.lgBusy) {
|
|
|
|
if (this.s.download) {
|
|
var _src;
|
|
if (_this.s.dynamic) {
|
|
_src = _this.s.dynamicEl[index].downloadUrl !== false && (_this.s.dynamicEl[index].downloadUrl || _this.s.dynamicEl[index].src);
|
|
} else {
|
|
_src = _this.$items.eq(index).attr('data-download-url') !== 'false' && (_this.$items.eq(index).attr('data-download-url') || _this.$items.eq(index).attr('href') || _this.$items.eq(index).attr('data-src'));
|
|
|
|
}
|
|
|
|
if (_src) {
|
|
$('#lg-download').attr('href', _src);
|
|
_this.$outer.removeClass('lg-hide-download');
|
|
} else {
|
|
_this.$outer.addClass('lg-hide-download');
|
|
}
|
|
}
|
|
|
|
this.$el.trigger('onBeforeSlide.lg', [_prevIndex, index, fromTouch, fromThumb]);
|
|
|
|
_this.lgBusy = true;
|
|
|
|
clearTimeout(_this.hideBartimeout);
|
|
|
|
// Add title if this.s.appendSubHtmlTo === lg-sub-html
|
|
if (this.s.appendSubHtmlTo === '.lg-sub-html') {
|
|
|
|
// wait for slide animation to complete
|
|
setTimeout(function() {
|
|
_this.addHtml(index);
|
|
}, _time);
|
|
}
|
|
|
|
this.arrowDisable(index);
|
|
|
|
if (!fromTouch) {
|
|
|
|
// remove all transitions
|
|
_this.$outer.addClass('lg-no-trans');
|
|
|
|
this.$slide.removeClass('lg-prev-slide lg-next-slide');
|
|
|
|
if (index < _prevIndex) {
|
|
_prev = true;
|
|
if ((index === 0) && (_prevIndex === _length - 1) && !fromThumb) {
|
|
_prev = false;
|
|
_next = true;
|
|
}
|
|
} else if (index > _prevIndex) {
|
|
_next = true;
|
|
if ((index === _length - 1) && (_prevIndex === 0) && !fromThumb) {
|
|
_prev = true;
|
|
_next = false;
|
|
}
|
|
}
|
|
|
|
if (_prev) {
|
|
|
|
//prevslide
|
|
this.$slide.eq(index).addClass('lg-prev-slide');
|
|
this.$slide.eq(_prevIndex).addClass('lg-next-slide');
|
|
} else if (_next) {
|
|
|
|
// next slide
|
|
this.$slide.eq(index).addClass('lg-next-slide');
|
|
this.$slide.eq(_prevIndex).addClass('lg-prev-slide');
|
|
}
|
|
|
|
// give 50 ms for browser to add/remove class
|
|
setTimeout(function() {
|
|
_this.$slide.removeClass('lg-current');
|
|
|
|
//_this.$slide.eq(_prevIndex).removeClass('lg-current');
|
|
_this.$slide.eq(index).addClass('lg-current');
|
|
|
|
// reset all transitions
|
|
_this.$outer.removeClass('lg-no-trans');
|
|
}, 50);
|
|
} else {
|
|
|
|
var touchPrev = index - 1;
|
|
var touchNext = index + 1;
|
|
|
|
if ((index === 0) && (_prevIndex === _length - 1)) {
|
|
|
|
// next slide
|
|
touchNext = 0;
|
|
touchPrev = _length - 1;
|
|
} else if ((index === _length - 1) && (_prevIndex === 0)) {
|
|
|
|
// prev slide
|
|
touchNext = 0;
|
|
touchPrev = _length - 1;
|
|
}
|
|
|
|
this.$slide.removeClass('lg-prev-slide lg-current lg-next-slide');
|
|
_this.$slide.eq(touchPrev).addClass('lg-prev-slide');
|
|
_this.$slide.eq(touchNext).addClass('lg-next-slide');
|
|
_this.$slide.eq(index).addClass('lg-current');
|
|
}
|
|
|
|
if (_this.lGalleryOn) {
|
|
setTimeout(function() {
|
|
_this.loadContent(index, true, 0);
|
|
}, this.s.speed + 50);
|
|
|
|
setTimeout(function() {
|
|
_this.lgBusy = false;
|
|
_this.$el.trigger('onAfterSlide.lg', [_prevIndex, index, fromTouch, fromThumb]);
|
|
}, this.s.speed);
|
|
|
|
} else {
|
|
_this.loadContent(index, true, _this.s.backdropDuration);
|
|
|
|
_this.lgBusy = false;
|
|
_this.$el.trigger('onAfterSlide.lg', [_prevIndex, index, fromTouch, fromThumb]);
|
|
}
|
|
|
|
_this.lGalleryOn = true;
|
|
|
|
if (this.s.counter) {
|
|
$('#lg-counter-current').text(index + 1);
|
|
}
|
|
|
|
}
|
|
|
|
};
|
|
|
|
/**
|
|
* @desc Go to next slide
|
|
* @param {Boolean} fromTouch - true if slide function called via touch event
|
|
*/
|
|
Plugin.prototype.goToNextSlide = function(fromTouch) {
|
|
var _this = this;
|
|
if (!_this.lgBusy) {
|
|
if ((_this.index + 1) < _this.$slide.length) {
|
|
_this.index++;
|
|
_this.$el.trigger('onBeforeNextSlide.lg', [_this.index]);
|
|
_this.slide(_this.index, fromTouch, false);
|
|
} else {
|
|
if (_this.s.loop) {
|
|
_this.index = 0;
|
|
_this.$el.trigger('onBeforeNextSlide.lg', [_this.index]);
|
|
_this.slide(_this.index, fromTouch, false);
|
|
} else if (_this.s.slideEndAnimatoin) {
|
|
_this.$outer.addClass('lg-right-end');
|
|
setTimeout(function() {
|
|
_this.$outer.removeClass('lg-right-end');
|
|
}, 400);
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* @desc Go to previous slide
|
|
* @param {Boolean} fromTouch - true if slide function called via touch event
|
|
*/
|
|
Plugin.prototype.goToPrevSlide = function(fromTouch) {
|
|
var _this = this;
|
|
if (!_this.lgBusy) {
|
|
if (_this.index > 0) {
|
|
_this.index--;
|
|
_this.$el.trigger('onBeforePrevSlide.lg', [_this.index, fromTouch]);
|
|
_this.slide(_this.index, fromTouch, false);
|
|
} else {
|
|
if (_this.s.loop) {
|
|
_this.index = _this.$items.length - 1;
|
|
_this.$el.trigger('onBeforePrevSlide.lg', [_this.index, fromTouch]);
|
|
_this.slide(_this.index, fromTouch, false);
|
|
} else if (_this.s.slideEndAnimatoin) {
|
|
_this.$outer.addClass('lg-left-end');
|
|
setTimeout(function() {
|
|
_this.$outer.removeClass('lg-left-end');
|
|
}, 400);
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
Plugin.prototype.keyPress = function() {
|
|
var _this = this;
|
|
if (this.$items.length > 1) {
|
|
$(window).on('keyup.lg', function(e) {
|
|
if (_this.$items.length > 1) {
|
|
if (e.keyCode === 37) {
|
|
e.preventDefault();
|
|
_this.goToPrevSlide();
|
|
}
|
|
|
|
if (e.keyCode === 39) {
|
|
e.preventDefault();
|
|
_this.goToNextSlide();
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
$(window).on('keydown.lg', function(e) {
|
|
if (_this.s.escKey === true && e.keyCode === 27) {
|
|
e.preventDefault();
|
|
if (!_this.$outer.hasClass('lg-thumb-open')) {
|
|
_this.destroy();
|
|
} else {
|
|
_this.$outer.removeClass('lg-thumb-open');
|
|
}
|
|
}
|
|
});
|
|
};
|
|
|
|
Plugin.prototype.arrow = function() {
|
|
var _this = this;
|
|
this.$outer.find('.lg-prev').on('click.lg', function() {
|
|
_this.goToPrevSlide();
|
|
});
|
|
|
|
this.$outer.find('.lg-next').on('click.lg', function() {
|
|
_this.goToNextSlide();
|
|
});
|
|
};
|
|
|
|
Plugin.prototype.arrowDisable = function(index) {
|
|
|
|
// Disable arrows if s.hideControlOnEnd is true
|
|
if (!this.s.loop && this.s.hideControlOnEnd) {
|
|
if ((index + 1) < this.$slide.length) {
|
|
this.$outer.find('.lg-next').removeAttr('disabled').removeClass('disabled');
|
|
} else {
|
|
this.$outer.find('.lg-next').attr('disabled', 'disabled').addClass('disabled');
|
|
}
|
|
|
|
if (index > 0) {
|
|
this.$outer.find('.lg-prev').removeAttr('disabled').removeClass('disabled');
|
|
} else {
|
|
this.$outer.find('.lg-prev').attr('disabled', 'disabled').addClass('disabled');
|
|
}
|
|
}
|
|
};
|
|
|
|
Plugin.prototype.setTranslate = function($el, xValue, yValue) {
|
|
// jQuery supports Automatic CSS prefixing since jQuery 1.8.0
|
|
if (this.s.useLeft) {
|
|
$el.css('left', xValue);
|
|
} else {
|
|
$el.css({
|
|
transform: 'translate3d(' + (xValue) + 'px, ' + yValue + 'px, 0px)'
|
|
});
|
|
}
|
|
};
|
|
|
|
Plugin.prototype.touchMove = function(startCoords, endCoords) {
|
|
|
|
var distance = endCoords - startCoords;
|
|
|
|
if (Math.abs(distance) > 15) {
|
|
// reset opacity and transition duration
|
|
this.$outer.addClass('lg-dragging');
|
|
|
|
// move current slide
|
|
this.setTranslate(this.$slide.eq(this.index), distance, 0);
|
|
|
|
// move next and prev slide with current slide
|
|
this.setTranslate($('.lg-prev-slide'), -this.$slide.eq(this.index).width() + distance, 0);
|
|
this.setTranslate($('.lg-next-slide'), this.$slide.eq(this.index).width() + distance, 0);
|
|
}
|
|
};
|
|
|
|
Plugin.prototype.touchEnd = function(distance) {
|
|
var _this = this;
|
|
|
|
// keep slide animation for any mode while dragg/swipe
|
|
if (_this.s.mode !== 'lg-slide') {
|
|
_this.$outer.addClass('lg-slide');
|
|
}
|
|
|
|
this.$slide.not('.lg-current, .lg-prev-slide, .lg-next-slide').css('opacity', '0');
|
|
|
|
// set transition duration
|
|
setTimeout(function() {
|
|
_this.$outer.removeClass('lg-dragging');
|
|
if ((distance < 0) && (Math.abs(distance) > _this.s.swipeThreshold)) {
|
|
_this.goToNextSlide(true);
|
|
} else if ((distance > 0) && (Math.abs(distance) > _this.s.swipeThreshold)) {
|
|
_this.goToPrevSlide(true);
|
|
} else if (Math.abs(distance) < 5) {
|
|
|
|
// Trigger click if distance is less than 5 pix
|
|
_this.$el.trigger('onSlideClick.lg');
|
|
}
|
|
|
|
_this.$slide.removeAttr('style');
|
|
});
|
|
|
|
// remove slide class once drag/swipe is completed if mode is not slide
|
|
setTimeout(function() {
|
|
if (!_this.$outer.hasClass('lg-dragging') && _this.s.mode !== 'lg-slide') {
|
|
_this.$outer.removeClass('lg-slide');
|
|
}
|
|
}, _this.s.speed + 100);
|
|
|
|
};
|
|
|
|
Plugin.prototype.enableSwipe = function() {
|
|
var _this = this;
|
|
var startCoords = 0;
|
|
var endCoords = 0;
|
|
var isMoved = false;
|
|
|
|
if (_this.s.enableSwipe && _this.isTouch && _this.doCss()) {
|
|
|
|
_this.$slide.on('touchstart.lg', function(e) {
|
|
if (!_this.$outer.hasClass('lg-zoomed') && !_this.lgBusy) {
|
|
e.preventDefault();
|
|
_this.manageSwipeClass();
|
|
startCoords = e.originalEvent.targetTouches[0].pageX;
|
|
}
|
|
});
|
|
|
|
_this.$slide.on('touchmove.lg', function(e) {
|
|
if (!_this.$outer.hasClass('lg-zoomed')) {
|
|
e.preventDefault();
|
|
endCoords = e.originalEvent.targetTouches[0].pageX;
|
|
_this.touchMove(startCoords, endCoords);
|
|
isMoved = true;
|
|
}
|
|
});
|
|
|
|
_this.$slide.on('touchend.lg', function() {
|
|
if (!_this.$outer.hasClass('lg-zoomed')) {
|
|
if (isMoved) {
|
|
isMoved = false;
|
|
_this.touchEnd(endCoords - startCoords);
|
|
} else {
|
|
_this.$el.trigger('onSlideClick.lg');
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
};
|
|
|
|
Plugin.prototype.enableDrag = function() {
|
|
var _this = this;
|
|
var startCoords = 0;
|
|
var endCoords = 0;
|
|
var isDraging = false;
|
|
var isMoved = false;
|
|
if (_this.s.enableDrag && !_this.isTouch && _this.doCss()) {
|
|
_this.$slide.on('mousedown.lg', function(e) {
|
|
// execute only on .lg-object
|
|
if (!_this.$outer.hasClass('lg-zoomed')) {
|
|
if ($(e.target).hasClass('lg-object') || $(e.target).hasClass('lg-video-play')) {
|
|
e.preventDefault();
|
|
|
|
if (!_this.lgBusy) {
|
|
_this.manageSwipeClass();
|
|
startCoords = e.pageX;
|
|
isDraging = true;
|
|
|
|
// ** Fix for webkit cursor issue https://code.google.com/p/chromium/issues/detail?id=26723
|
|
_this.$outer.scrollLeft += 1;
|
|
_this.$outer.scrollLeft -= 1;
|
|
|
|
// *
|
|
|
|
_this.$outer.removeClass('lg-grab').addClass('lg-grabbing');
|
|
|
|
_this.$el.trigger('onDragstart.lg');
|
|
}
|
|
|
|
}
|
|
}
|
|
});
|
|
|
|
$(window).on('mousemove.lg', function(e) {
|
|
if (isDraging) {
|
|
isMoved = true;
|
|
endCoords = e.pageX;
|
|
_this.touchMove(startCoords, endCoords);
|
|
_this.$el.trigger('onDragmove.lg');
|
|
}
|
|
});
|
|
|
|
$(window).on('mouseup.lg', function(e) {
|
|
if (isMoved) {
|
|
isMoved = false;
|
|
_this.touchEnd(endCoords - startCoords);
|
|
_this.$el.trigger('onDragend.lg');
|
|
} else if ($(e.target).hasClass('lg-object') || $(e.target).hasClass('lg-video-play')) {
|
|
_this.$el.trigger('onSlideClick.lg');
|
|
}
|
|
|
|
// Prevent execution on click
|
|
if (isDraging) {
|
|
isDraging = false;
|
|
_this.$outer.removeClass('lg-grabbing').addClass('lg-grab');
|
|
}
|
|
});
|
|
|
|
}
|
|
};
|
|
|
|
Plugin.prototype.manageSwipeClass = function() {
|
|
var touchNext = this.index + 1;
|
|
var touchPrev = this.index - 1;
|
|
var length = this.$slide.length;
|
|
if (this.s.loop) {
|
|
if (this.index === 0) {
|
|
touchPrev = length - 1;
|
|
} else if (this.index === length - 1) {
|
|
touchNext = 0;
|
|
}
|
|
}
|
|
|
|
this.$slide.removeClass('lg-next-slide lg-prev-slide');
|
|
if (touchPrev > -1) {
|
|
this.$slide.eq(touchPrev).addClass('lg-prev-slide');
|
|
}
|
|
|
|
this.$slide.eq(touchNext).addClass('lg-next-slide');
|
|
};
|
|
|
|
Plugin.prototype.mousewheel = function() {
|
|
var _this = this;
|
|
_this.$outer.on('mousewheel.lg', function(e) {
|
|
|
|
if (!e.deltaY) {
|
|
return;
|
|
}
|
|
|
|
if (e.deltaY > 0) {
|
|
_this.goToPrevSlide();
|
|
} else {
|
|
_this.goToNextSlide();
|
|
}
|
|
|
|
e.preventDefault();
|
|
});
|
|
|
|
};
|
|
|
|
Plugin.prototype.closeGallery = function() {
|
|
|
|
var _this = this;
|
|
var mousedown = false;
|
|
this.$outer.find('.lg-close').on('click.lg', function() {
|
|
_this.destroy();
|
|
});
|
|
|
|
if (_this.s.closable) {
|
|
|
|
// If you drag the slide and release outside gallery gets close on chrome
|
|
// for preventing this check mousedown and mouseup happened on .lg-item or lg-outer
|
|
_this.$outer.on('mousedown.lg', function(e) {
|
|
|
|
if ($(e.target).is('.lg-outer') || $(e.target).is('.lg-item ') || $(e.target).is('.lg-img-wrap')) {
|
|
mousedown = true;
|
|
} else {
|
|
mousedown = false;
|
|
}
|
|
|
|
});
|
|
|
|
_this.$outer.on('mouseup.lg', function(e) {
|
|
|
|
if ($(e.target).is('.lg-outer') || $(e.target).is('.lg-item ') || $(e.target).is('.lg-img-wrap') && mousedown) {
|
|
if (!_this.$outer.hasClass('lg-dragging')) {
|
|
_this.destroy();
|
|
}
|
|
}
|
|
|
|
});
|
|
|
|
}
|
|
|
|
};
|
|
|
|
Plugin.prototype.destroy = function(d) {
|
|
|
|
var _this = this;
|
|
|
|
if (!d) {
|
|
_this.$el.trigger('onBeforeClose.lg');
|
|
}
|
|
|
|
$(window).scrollTop(_this.prevScrollTop);
|
|
|
|
/**
|
|
* if d is false or undefined destroy will only close the gallery
|
|
* plugins instance remains with the element
|
|
*
|
|
* if d is true destroy will completely remove the plugin
|
|
*/
|
|
|
|
if (d) {
|
|
if (!_this.s.dynamic) {
|
|
// only when not using dynamic mode is $items a jquery collection
|
|
this.$items.off('click.lg click.lgcustom');
|
|
}
|
|
|
|
$.removeData(_this.el, 'lightGallery');
|
|
}
|
|
|
|
// Unbind all events added by lightGallery
|
|
this.$el.off('.lg.tm');
|
|
|
|
// Distroy all lightGallery modules
|
|
$.each($.fn.lightGallery.modules, function(key) {
|
|
if (_this.modules[key]) {
|
|
_this.modules[key].destroy();
|
|
}
|
|
});
|
|
|
|
this.lGalleryOn = false;
|
|
|
|
clearTimeout(_this.hideBartimeout);
|
|
this.hideBartimeout = false;
|
|
$(window).off('.lg');
|
|
$('body').removeClass('lg-on lg-from-hash');
|
|
|
|
if (_this.$outer) {
|
|
_this.$outer.removeClass('lg-visible');
|
|
}
|
|
|
|
$('.lg-backdrop').removeClass('in');
|
|
|
|
setTimeout(function() {
|
|
if (_this.$outer) {
|
|
_this.$outer.remove();
|
|
}
|
|
|
|
$('.lg-backdrop').remove();
|
|
|
|
if (!d) {
|
|
_this.$el.trigger('onCloseAfter.lg');
|
|
}
|
|
|
|
}, _this.s.backdropDuration + 50);
|
|
};
|
|
|
|
$.fn.lightGallery = function(options) {
|
|
return this.each(function() {
|
|
if (!$.data(this, 'lightGallery')) {
|
|
$.data(this, 'lightGallery', new Plugin(this, options));
|
|
} else {
|
|
try {
|
|
$(this).data('lightGallery').init();
|
|
} catch (err) {
|
|
console.error('lightGallery has not initiated properly');
|
|
}
|
|
}
|
|
});
|
|
};
|
|
|
|
$.fn.lightGallery.modules = {};
|
|
|
|
})(jQuery, window, document);
|
|
|