forked from spen/seminar
539 lines
16 KiB
JavaScript
539 lines
16 KiB
JavaScript
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window.CustomGalleryTheater = function(){
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var parent_divs = $('.custom_gallery').parents('div'),
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parent_div_z_index = parent_divs.eq(parent_divs.length-1).css('z-index')
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parent_divs.eq(parent_divs.length-1).css('z-index','2000')
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var gt = this,
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currentPic = {},
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windowHeight = 0,
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windowWidth = 0,
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swipeController = null,
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resizing = null;
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loadingInterval = null,
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mainPicLoading = 0,
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nextPicLoading = 0,
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prevPicLoading = 0,
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currentSwipeImageDom = null,
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currentSwipeImageDomLeftPos = 0,
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windowScreenThresholdForTouch = 0,
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loadingProcess = 0;
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gt.stage = null;
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gt.stripNextBtn = null;
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gt.stripPrevBtn = null;
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gt.thumbToggle = null;
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gt.descriptionToggle = null;
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gt.closeBtn = null;
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gt.imageContainer = null;
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gt.custom_albumData = {};
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gt.loader = null;
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gt.thumbStrip = null;
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gt.descriptionArea = null;
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gt.isTheaterInitialized = false;
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var play_flag = false;
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var button_left_string = '<button id ="theaterPreviousButton" class="theaterButton">< </button>',
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button_right_string = '<button id ="theaterNextButton" class="theaterButton">> </button>',
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button_play_string = '<button id ="theaterPlayButton" class="theaterButton">▶ </button>',
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button_stop_string = '<button id ="theaterStopButton" class="theaterButton">|| </button>',
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playtimeoutID;
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var initialize = function(){
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gt.stage = $("#custom_gallery-theater-stage");
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gt.closeBtn = gt.stage.find(".custom_gallery-close");
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gt.switchBtn = gt.stage.find(".custom_gallery-theme-switch");
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gt.imageContainer = gt.stage.find(".image-container");
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gt.thumbStrip = gt.stage.find(".custom_gallery-thumb-wrap");
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gt.thumbToggle = gt.stage.find(".custom_gallery-thumb-toggle");
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gt.loader = gt.stage.find(".custom_gallery-loader");
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gt.stripNextBtn = gt.stage.find(".custom_gallery-thumb-next");
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gt.stripPrevBtn = gt.stage.find(".custom_gallery-thumb-prev");
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gt.descriptionArea = gt.stage.find(".custom_gallery-img-desc");
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gt.descriptionToggle = gt.stage.find(".custom_gallery-toggle-desc");
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windowScreenThresholdForTouch = windowWidth / 3;
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startLoading();
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windowHeight = $(window).height();
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windowWidth = $(window).width();
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var addButton = function () {
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$('.theaterButton').remove();
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if (!play_flag){
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$(button_left_string+button_play_string+button_right_string).insertAfter($('img.gal-active'));
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}
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else{
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$(button_left_string+button_stop_string+button_right_string).insertAfter($('img.gal-active'));
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}
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if (!$(".gal-prev").length) { $('#theaterPreviousButton').remove(); }
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if (!$(".gal-next").length) { $('#theaterNextButton').remove(); }
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$('#theaterPreviousButton').click(function () {
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gt.previousPic();
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});
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$('#theaterNextButton').click(function () {
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gt.nextPic();
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});
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$('#theaterPlayButton').click(function () {
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play_flag = true;
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playtimeoutID = window.setInterval(function(){
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gt.playallPic();
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},3000)
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window.onhashchange()
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});
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$('#theaterStopButton').click(function () {
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play_flag = false;
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window.onhashchange()
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window.clearInterval(playtimeoutID)
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});
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}
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window.onhashchange = locationHashChanged;
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bindHandler();
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if(window.location.hash != "" && window.location.hash != "#"){
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var id = window.location.hash.split("#")[1];
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gt.createTheater("/xhr/custom_galleries/theater/" + id);
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}
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addButton();
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function locationHashChanged() {
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addButton();
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}
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}
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var bindHandler = function(){
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// handler to close the theater
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gt.closeBtn.on("click",gt.destroyTheater);
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// handler to show theater
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$("#main-content div[data-list=images] a").on("click",function(){
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gt.createTheater($(this).attr("href"));
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return false;
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})
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gt.switchBtn.on("click",gt.switchTheme);
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gt.descriptionToggle.on("click", gt.toggleDescription)
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gt.stripPrevBtn.on("click", gt.scrollStripRight);
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gt.stripNextBtn.on("click", gt.scrollStripLeft);
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if(Modernizr.touch){
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gt.imageContainer.swipe({
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swipe : function(event, direction, distance, duration, fingerCount){
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if(direction == "left"){
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gt.nextPic();
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}else if(direction == "right"){
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gt.previousPic();
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}
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}
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})
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gt.thumbToggle.swipe({
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swipe : function(event, direction, distance, duration, fingerCount){
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if(direction == "up"){
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gt.thumbStrip.parent().addClass("show");
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gt.thumbToggle.addClass("up");
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gt.thumbToggle.find("i").removeClass("fa-angle-double-up").addClass("fa-angle-double-down");
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}else if(direction == "down"){
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gt.thumbStrip.parent().removeClass("show");
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gt.thumbToggle.removeClass("up");
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gt.thumbToggle.find("i").removeClass("fa-angle-double-down").addClass("fa-angle-double-up");
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}
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}
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})
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}
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//handler for window resize
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$(window).resize(function(){
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clearTimeout(resizing);
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resizing = setTimeout(doneResizing,1000);
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})
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}
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var bindKeyHandlers = function(){
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if(!Modernizr.touch){
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$(document.body).on("click",".gal-active", gt.nextPic);
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$(document.body).on("click",".gal-prev", gt.previousPic);
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$(document.body).on("click",".gal-next", gt.nextPic);
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$(document).on("keyup",function(e){
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switch(e.keyCode){
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case 39:
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gt.nextPic();
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break;
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case 37:
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gt.previousPic();
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break;
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case 27:
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gt.destroyTheater();
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break;
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}
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})
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}
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}
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var doneResizing = function(){
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windowHeight = $(window).height();
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windowWidth = $(window).width();
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setThumbNavs();
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}
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var unBindKeyHandlers = function(){
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$(document).unbind("keyup");
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}
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gt.destroyTheater = function(){
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parent_divs.eq(parent_divs.length-1).css('z-index',parent_div_z_index)
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gt.stage.hide();
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$("body").removeClass("custom_gallery-mode-on");
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gt.imageContainer.empty()
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unBindKeyHandlers();
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window.location.hash = "";
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}
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gt.createTheater = function(link){
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gt.stage.show();
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$("body").addClass("custom_gallery-mode-on");
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bindKeyHandlers();
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gt.isTheaterInitialized = false;
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if(!gt.isTheaterInitialized){
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$.ajax({
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url : link,
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dataType : "json",
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type : "get",
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async:false
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}).done(function(data){
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gt.custom_albumData = data.data;
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var cp = gt.custom_albumData.images.filter(function(x){return x._id == gt.custom_albumData.image})[0];
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currentPic = {"image" : cp, "index" : gt.custom_albumData.images.indexOf(cp)};
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createThumbStrip();
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})
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}else{
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var id = link.split("/")[4],
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cp = gt.custom_albumData.images.filter(function(x){return x._id == id})[0];
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currentPic = {"image" : cp, "index" : gt.custom_albumData.images.indexOf(cp)};
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createThumbStrip();
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}
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window.currentPic = currentPic;
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}
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gt.hasNextImage = function(){
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return (currentPic.index + 1) <= (gt.custom_albumData.images.length - 1);
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}
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gt.hasPreviousImage = function(){
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return (currentPic.index > 0);
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}
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gt.nextPic = function(){
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if(loadingProcess == 0){
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if(gt.hasNextImage()){
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startLoading();
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currentPic.image = gt.custom_albumData.images[currentPic.index + 1];
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currentPic.index = currentPic.index + 1;
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setMainPic("next");
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}
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}
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}
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gt.playallPic = function(){
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if(loadingProcess == 0){
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mainPicLoading = 1;
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nextPicLoading = 1;
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prevPicLoading = 1;
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if(gt.hasNextImage()){
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currentPic.image = gt.custom_albumData.images[currentPic.index + 1];
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currentPic.index = currentPic.index + 1;
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setMainPic("next");
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}
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else{
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currentPic.image = gt.custom_albumData.images[0];
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currentPic.index = 0;
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setMainPic();
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gt.isTheaterInitialized = false;
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setTimeout(function(){
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loadingProcess = 0;
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nextPicLoading = 0;
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$('.theaterButton').remove()
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$("img.custom_gallery-image.gal-prev.gal-inactive").remove();
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img = $("img.custom_gallery-image.gal-active");
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img.eq(0).remove();
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window.onhashchange()
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},100)
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}
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}
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}
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gt.previousPic = function(){
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if(loadingProcess == 0){
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if(gt.hasPreviousImage()) {
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startLoading();
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currentPic.image = gt.custom_albumData.images[currentPic.index - 1];
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currentPic.index = currentPic.index - 1;
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setMainPic("prev");
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}
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}
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}
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gt.scrollStripLeft = function(){
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pixels_to_move = parseInt(gt.thumbStrip.css("left")) - (66 * 3);
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maximum_pixels = (windowWidth / 2) - (66 * (gt.custom_albumData.images.length - 1));
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if(pixels_to_move < maximum_pixels){
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pixels_to_move = maximum_pixels;
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}
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gt.thumbStrip.css("left",pixels_to_move + "px");
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}
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gt.scrollStripRight = function(){
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pixels_to_move = parseInt(gt.thumbStrip.css("left")) + (66 * 3);
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maximum_pixels = (windowWidth / 2);
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if(pixels_to_move > maximum_pixels){
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pixels_to_move = maximum_pixels;
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}
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gt.thumbStrip.css("left",pixels_to_move + "px");
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}
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gt.switchTheme = function(){
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var themeWhiteKlass = "theme-white",
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nightKlass = "fa fa-circle",
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dayKlass = "fa fa-circle-o",
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$body = $("body");
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if (!gt.switchBtn.hasClass(themeWhiteKlass)) {
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gt.switchBtn
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.addClass(themeWhiteKlass)
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.find("i")
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.attr("class", dayKlass);
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$body.addClass(themeWhiteKlass);
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} else {
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gt.switchBtn
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.removeClass(themeWhiteKlass)
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.find("i")
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.attr("class", nightKlass);
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$body.removeClass(themeWhiteKlass);
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}
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}
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gt.toggleDescription = function(){
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$(this).toggleClass("active");
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gt.descriptionArea.toggleClass("active");
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}
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var startLoading = function(){
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loadingProcess = 1;
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mainPicLoading = 0;
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nextPicLoading = 0;
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prevPicLoading = 0;
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gt.loader.show();
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loadingInterval = setInterval(stopLoading, 300);
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}
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var stopLoading = function(){
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if(mainPicLoading == 1 && nextPicLoading == 1 && prevPicLoading == 1){
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clearInterval(loadingInterval);
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setTimeout(function(){
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loadingProcess = 0;
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gt.loader.hide();
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},100)
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}
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}
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var createThumbStrip = function(){
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if(!gt.isTheaterInitialized){
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$.each(gt.custom_albumData.images,function(index, image){
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var li = $("<li class='custom_gallery-item'></li>"),
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a = $("<a href=''></a>"),
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img = $("<img class='custom_gallery-thumb' src='' alt='Image Thumb'>");
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a.on("click",function(){
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startLoading();
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var old_index = currentPic.index;
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currentPic.image = gt.custom_albumData.images[index];
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currentPic.index = index;
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if(old_index > index){
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setMainPic("prev",true);
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}else if(old_index < index){
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setMainPic("next",true);
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}
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return false;
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})
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img.attr("src",image.file.thumb.url);
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img.attr("alt",image.alt_title);
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li.attr("data-index",index);
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a.append(img);
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li.append(a);
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gt.thumbStrip.append(li);
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})
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setThumbNavs();
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}
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setMainPic();
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if (!$('.theaterButton').length){
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window.onhashchange()
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}
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}
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var setThumbNavs = function() {
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var $thumbNav = gt.stage.find('.custom_gallery-thumb-navs'),
|
||
|
|
$thumb = gt.thumbStrip.find('img'),
|
||
|
|
thumbs = $thumb.length,
|
||
|
|
thumbWidth = $thumb.eq(0).width(),
|
||
|
|
thumbGap = parseInt($thumb.closest('li').css('margin-right'), 10),
|
||
|
|
widthSum = (thumbWidth + thumbGap) * thumbs,
|
||
|
|
margin = widthSum * 0.1,
|
||
|
|
totalWidth = widthSum + margin;
|
||
|
|
|
||
|
|
if (windowWidth < totalWidth) {
|
||
|
|
$thumbNav.addClass('show');
|
||
|
|
}else{
|
||
|
|
$thumbNav.removeClass('show');
|
||
|
|
}
|
||
|
|
};
|
||
|
|
function one_load(img){
|
||
|
|
if (img[0].complete){
|
||
|
|
setTimeout(loaded(img),100)
|
||
|
|
}else{
|
||
|
|
setTimeout(one_load,20)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function loaded(img){
|
||
|
|
calculateHeight(img);
|
||
|
|
mainPicLoading = 1;
|
||
|
|
img.fadeIn(100);
|
||
|
|
}
|
||
|
|
window.setMainPic = function(direction,selectedFromStrip){
|
||
|
|
var img = null;
|
||
|
|
$('div.custom_gallery-show-original a').eq(0).attr('href',currentPic.image.url)
|
||
|
|
if(direction == null){
|
||
|
|
img = $("<img class='custom_gallery-image gal-active'>");
|
||
|
|
img.hide();
|
||
|
|
img.attr("src", currentPic.image.file.theater.url);
|
||
|
|
gt.imageContainer.append(img);
|
||
|
|
img.one("load", function(){
|
||
|
|
one_load(img)
|
||
|
|
})
|
||
|
|
gt.isTheaterInitialized = true;
|
||
|
|
}else{
|
||
|
|
img = gt.imageContainer.find(".gal-active");
|
||
|
|
if(selectedFromStrip){
|
||
|
|
gt.imageContainer.find(".gal-" + direction).attr("src",currentPic.image.file.theater.url);
|
||
|
|
}
|
||
|
|
if(direction == "next"){
|
||
|
|
gt.imageContainer.find(".gal-prev").remove();
|
||
|
|
img.removeClass("gal-active").addClass("gal-prev gal-inactive temp");
|
||
|
|
gt.imageContainer.find(".gal-next").removeClass("gal-inactive gal-next").addClass("gal-active");
|
||
|
|
gt.thumbStrip.css("left",(parseInt(gt.thumbStrip.css("left")) - 66) + "px");
|
||
|
|
}else if(direction == "prev"){
|
||
|
|
gt.imageContainer.find(".gal-next").remove();
|
||
|
|
img.removeClass("gal-active").addClass("gal-next gal-inactive temp");
|
||
|
|
gt.imageContainer.find(".gal-prev").removeClass("gal-inactive gal-prev").addClass("gal-active");
|
||
|
|
gt.thumbStrip.css("left",(parseInt(gt.thumbStrip.css("left")) + 66) + "px");
|
||
|
|
}
|
||
|
|
mainPicLoading = 1;
|
||
|
|
}
|
||
|
|
gt.descriptionArea.html("<p>" + currentPic.image.description + "</p>");
|
||
|
|
if(currentPic.image.description == null){
|
||
|
|
gt.descriptionArea.addClass("hide");
|
||
|
|
}else{
|
||
|
|
gt.descriptionArea.removeClass("hide");
|
||
|
|
}
|
||
|
|
if (direction!=null){
|
||
|
|
calculateHeight(gt.imageContainer.find(".gal-active"));
|
||
|
|
}
|
||
|
|
gt.thumbStrip.find("li.active").removeClass("active");
|
||
|
|
gt.thumbStrip.find("li[data-index=" + currentPic.index + "]").addClass("active");
|
||
|
|
|
||
|
|
setStripToCenter();
|
||
|
|
setNextPic();
|
||
|
|
setPrevPic();
|
||
|
|
changeUrl();
|
||
|
|
}
|
||
|
|
|
||
|
|
var calculateHeight = function(img){
|
||
|
|
var h = 0,
|
||
|
|
w = 0,
|
||
|
|
new_width = 0;
|
||
|
|
if(!Modernizr.touch){
|
||
|
|
if(typeof currentPic.image.height == "undefined"){
|
||
|
|
h = img.height();
|
||
|
|
currentPic.image.height = h;
|
||
|
|
w = img.width();
|
||
|
|
currentPic.image.width = w;
|
||
|
|
}else{
|
||
|
|
h = currentPic.image.height;
|
||
|
|
w = currentPic.image.width;
|
||
|
|
}
|
||
|
|
}else{
|
||
|
|
h = img.height();
|
||
|
|
w = img.width();
|
||
|
|
}
|
||
|
|
if(h > (windowHeight - 150)){
|
||
|
|
new_width = Math.round((windowHeight - 100) * w / h);
|
||
|
|
new_width = (new_width / windowWidth) * 100;
|
||
|
|
img.width(new_width + "%");
|
||
|
|
}else{
|
||
|
|
if(windowWidth < 770){
|
||
|
|
img.width("90%");
|
||
|
|
}else{
|
||
|
|
img.width("65%");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (typeof set_custom_gallery_height != 'undefined'){
|
||
|
|
set_custom_gallery_height()
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
var changeUrl = function(){
|
||
|
|
window.location.hash = currentPic.image._id
|
||
|
|
}
|
||
|
|
|
||
|
|
var setStripToCenter = function(){
|
||
|
|
left = (windowWidth / 2) - (66 * currentPic.index);
|
||
|
|
gt.thumbStrip.css("left",left + "px");
|
||
|
|
}
|
||
|
|
|
||
|
|
var setNextPic = function(){
|
||
|
|
gt.imageContainer.find(".gal-next.temp").remove()
|
||
|
|
if(gt.hasNextImage()) {
|
||
|
|
var obj = gt.custom_albumData.images[currentPic.index + 1],
|
||
|
|
nextImg = $("<img class='custom_gallery-image gal-next gal-inactive'>");
|
||
|
|
nextImg.attr("src",obj.file.theater.url);
|
||
|
|
nextImg.hide();
|
||
|
|
gt.imageContainer.append(nextImg);
|
||
|
|
nextImg.on("load",function(){
|
||
|
|
calculateHeight(nextImg);
|
||
|
|
nextPicLoading = 1;
|
||
|
|
nextImg.fadeIn(100);
|
||
|
|
})
|
||
|
|
}else{
|
||
|
|
nextPicLoading = 1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
var setPrevPic = function(){
|
||
|
|
gt.imageContainer.find(".gal-prev.temp").remove()
|
||
|
|
if(gt.hasPreviousImage()) {
|
||
|
|
var obj = gt.custom_albumData.images[currentPic.index - 1],
|
||
|
|
prevImg = $("<img class='custom_gallery-image gal-prev gal-inactive'>");
|
||
|
|
prevImg.attr("src",obj.file.theater.url);
|
||
|
|
prevImg.hide();
|
||
|
|
gt.imageContainer.prepend(prevImg);
|
||
|
|
prevImg.on("load",function(){
|
||
|
|
calculateHeight(prevImg);
|
||
|
|
prevPicLoading = 1;
|
||
|
|
prevImg.fadeIn(100);
|
||
|
|
})
|
||
|
|
}else{
|
||
|
|
prevPicLoading = 1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
var l = function(x){
|
||
|
|
console.log(x)
|
||
|
|
}
|
||
|
|
|
||
|
|
$(document).ready(function(){
|
||
|
|
initialize();
|
||
|
|
})
|
||
|
|
}
|
||
|
|
|
||
|
|
// custom_gallery-image gal-prev gal-inactive
|