577 lines
20 KiB
JavaScript
577 lines
20 KiB
JavaScript
$('.show-gallery .show-content.col-sm-2').ready(function() {
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if ($('.show-gallery .show-content.col-sm-2').eq(0).css('float') == 'left') {
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$('.show-gallery .show-content.col-sm-2').eq(0).parent().css('float', 'left');
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$('.show-gallery .show-content.col-sm-2').eq(0).parent().css('width', '100%');
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}
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})
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window.GalleryTheater = function() {
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var parent_divs = $('.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 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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stage = null,
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stripNextBtn = null,
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stripPrevBtn = null,
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thumbToggle = null,
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descriptionToggle = null,
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closeBtn = null,
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switchBtn = null,
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imageContainer = null,
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albumData = {},
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loader = null,
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thumbStrip = null,
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descriptionArea = null,
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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 set_margin = function () {
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if ($('#orbit-bar').height()>0){ //for show page
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$('#gallery-theater-stage>.gallery').css('margin-top','2.4em')
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}else{
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$('#gallery-theater-stage>.gallery').css('margin-top','')
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}
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}
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var initialize = function() {
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set_margin();
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stage = $("#gallery-theater-stage");
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closeBtn = stage.find(".gallery-close");
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switchBtn = stage.find(".gallery-theme-switch");
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imageContainer = stage.find(".image-container");
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thumbStrip = stage.find(".gallery-thumb-wrap");
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thumbToggle = stage.find(".gallery-thumb-toggle");
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loader = stage.find(".gallery-loader");
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stripNextBtn = stage.find(".gallery-thumb-next");
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stripPrevBtn = stage.find(".gallery-thumb-prev");
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descriptionArea = stage.find(".gallery-img-desc");
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descriptionToggle = stage.find(".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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} 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 (!$(".gal-prev").length) {
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$('#theaterPreviousButton').remove();
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}
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if (!$(".gal-next").length) {
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$('#theaterNextButton').remove();
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}
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$('#theaterPreviousButton').click(function() {
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previousPic();
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});
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$('#theaterNextButton').click(function() {
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nextPic();
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});
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$('#theaterPlayButton').click(function() {
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play_flag = true;
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playtimeoutID = window.setInterval(function() {
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playallPic();
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}, 3000)
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window.onhashchange()
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});
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$('#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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createTheater("/xhr/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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closeBtn.off('click').on("click", destroyTheater);
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// handler to show theater
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$("div[data-list=images] a").filter(":not(.preview)").off('click').on("click", function() {
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createTheater($(this).attr("href"));
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return false;
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})
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switchBtn.off('click').on("click", switchTheme);
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descriptionToggle.off('click').on("click", toggleDescription)
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stripPrevBtn.off('click').on("click", scrollStripRight);
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stripNextBtn.off('click').on("click", scrollStripLeft);
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if (Modernizr.touch) {
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imageContainer.swipe({
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swipe: function(event, direction, distance, duration, fingerCount) {
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if (direction == "left") {
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nextPic();
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} else if (direction == "right") {
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previousPic();
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}
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}
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})
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thumbToggle.swipe({
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swipe: function(event, direction, distance, duration, fingerCount) {
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if (direction == "up") {
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thumbStrip.parent().addClass("show");
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thumbToggle.addClass("up");
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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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thumbStrip.parent().removeClass("show");
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thumbToggle.removeClass("up");
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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", nextPic);
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$(document.body).on("click", ".gal-prev", previousPic);
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$(document.body).on("click", ".gal-next", 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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nextPic();
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break;
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case 37:
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previousPic();
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break;
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case 27:
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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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var destroyTheater = function() {
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parent_divs.eq(parent_divs.length - 1).css('z-index', parent_div_z_index)
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stage.hide();
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$("body").removeClass("gallery-mode-on");
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imageContainer.empty()
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unBindKeyHandlers();
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window.location.hash = "";
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}
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var createTheater = function(link) {
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$('.gallery-img-desc').removeClass('active');
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bindKeyHandlers();
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stage.show();
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$("body").addClass("gallery-mode-on");
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if (!isTheaterInitialized) {
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$.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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albumData = data.data;
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var cp = albumData.images.filter(function(x) {
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return x._id == albumData.image
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})[0];
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currentPic = {
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"image": cp,
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"index": albumData.images.indexOf(cp)
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};
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createThumbStrip();
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})
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isTheaterInitialized = false;
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} else {
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var id = link.split("/")[4],
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cp = albumData.images.filter(function(x) {
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return x._id == id
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})[0];
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currentPic = {
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"image": cp,
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"index": albumData.images.indexOf(cp)
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};
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createThumbStrip();
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}
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}
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var hasNextImage = function() {
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return (currentPic.index + 1) <= (albumData.images.length - 1);
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}
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var hasPreviousImage = function() {
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return (currentPic.index > 0);
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}
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var nextPic = function() {
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if (loadingProcess == 0) {
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if (hasNextImage()) {
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startLoading();
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currentPic.image = 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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var 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 (hasNextImage()) {
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currentPic.image = albumData.images[currentPic.index + 1];
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currentPic.index = currentPic.index + 1;
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setMainPic("next");
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} else {
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currentPic.image = albumData.images[0];
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currentPic.index = 0;
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setMainPic();
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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.gallery-image.gal-prev.gal-inactive").remove();
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img = $("img.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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var previousPic = function() {
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if (loadingProcess == 0) {
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if (hasPreviousImage()) {
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startLoading();
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currentPic.image = 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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var scrollStripLeft = function() {
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pixels_to_move = parseInt(thumbStrip.css("left")) - (66 * 3);
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maximum_pixels = (windowWidth / 2) - (66 * (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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thumbStrip.css("left", pixels_to_move + "px");
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}
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var scrollStripRight = function() {
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pixels_to_move = parseInt(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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thumbStrip.css("left", pixels_to_move + "px");
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}
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var 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 = $("body");
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if (!switchBtn.hasClass(themeWhiteKlass)) {
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switchBtn
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.addClass(themeWhiteKlass)
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.find("i")
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.attr("class", dayKlass);
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$body.addClass(themeWhiteKlass);
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} else {
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switchBtn
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.removeClass(themeWhiteKlass)
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.find("i")
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.attr("class", nightKlass);
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$body.removeClass(themeWhiteKlass);
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}
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}
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var toggleDescription = function() {
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$(this).toggleClass("active");
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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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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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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 (!isTheaterInitialized) {
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thumbStrip.html("")
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$.each(albumData.images, function(index, image) {
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var li = $("<li class='gallery-item'></li>"),
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a = $("<a href=''></a>"),
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img = $("<img class='gallery-thumb' src='' alt='Image Thumb'>");
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a.on("click", function() {
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startLoading();
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var old_index = currentPic.index;
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currentPic.image = albumData.images[index];
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currentPic.index = index;
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if (old_index > index) {
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setMainPic("prev", true);
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} else if (old_index < index) {
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setMainPic("next", true);
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}
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return false;
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})
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img.attr("src", image.file.thumb.url);
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img.attr("alt", image.alt_title);
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li.attr("data-index", index);
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a.append(img);
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li.append(a);
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thumbStrip.append(li);
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})
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setThumbNavs();
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}
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setMainPic();
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if (!$('.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 $thumbNav = stage.find('.gallery-thumb-navs'),
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$thumb = thumbStrip.find('img'),
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thumbs = $thumb.length,
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thumbWidth = $thumb.eq(0).width(),
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thumbGap = parseInt($thumb.closest('li').css('margin-right'), 10),
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widthSum = (thumbWidth + thumbGap) * thumbs,
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margin = widthSum * 0.1,
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totalWidth = widthSum + margin;
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if (windowWidth < totalWidth) {
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$thumbNav.addClass('show');
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} else {
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$thumbNav.removeClass('show');
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}
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};
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function one_load(img) {
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if (img[0].complete) {
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setTimeout(loaded(img), 100)
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} else {
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setTimeout(one_load, 20)
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}
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}
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function loaded(img) {
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calculateHeight(img);
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mainPicLoading = 1;
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img.fadeIn(100);
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}
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window.setMainPic = function(direction, selectedFromStrip) {
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var img = null;
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$('div.gallery-show-original a').eq(0).attr('href', currentPic.image.url)
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if (direction == null) {
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img = $("<img class='gallery-image gal-active'>");
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img.hide();
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img.attr("src", currentPic.image.file.theater.url);
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img.attr("alt", currentPic.image.alt_title);
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imageContainer.append(img);
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img.one("load", function() {
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one_load(img)
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})
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isTheaterInitialized = true;
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} else {
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img = imageContainer.find(".gal-active");
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if (selectedFromStrip) {
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img = imageContainer.find(".gal-" + direction);
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img.attr("src", currentPic.image.file.theater.url);
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img.attr("alt", currentPic.image.alt_title);
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}
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if (direction == "next") {
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imageContainer.find(".gal-prev").remove();
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img.removeClass("gal-active").addClass("gal-prev gal-inactive temp");
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imageContainer.find(".gal-next").removeClass("gal-inactive gal-next").addClass("gal-active");
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thumbStrip.css("left", (parseInt(thumbStrip.css("left")) - 66) + "px");
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} else if (direction == "prev") {
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imageContainer.find(".gal-next").remove();
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img.removeClass("gal-active").addClass("gal-next gal-inactive temp");
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imageContainer.find(".gal-prev").removeClass("gal-inactive gal-prev").addClass("gal-active");
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thumbStrip.css("left", (parseInt(thumbStrip.css("left")) + 66) + "px");
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}
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mainPicLoading = 1;
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}
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descriptionArea.html("<p>" + currentPic.image.description + "</p>");
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if (currentPic.image.description == null) {
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descriptionArea.addClass("hide");
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} else {
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descriptionArea.removeClass("hide");
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}
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if (direction != null) {
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calculateHeight(imageContainer.find(".gal-active"));
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}
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thumbStrip.find("li.active").removeClass("active");
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thumbStrip.find("li[data-index=" + currentPic.index + "]").addClass("active");
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setStripToCenter();
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setNextPic();
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setPrevPic();
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changeUrl();
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}
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var calculateHeight = function(img) {
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var h = 0,
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w = 0,
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new_width = 0;
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if (!Modernizr.touch) {
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if (typeof currentPic.image.height == "undefined") {
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h = img.height();
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currentPic.image.height = h;
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w = img.width();
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currentPic.image.width = w;
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} else {
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h = currentPic.image.height;
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w = currentPic.image.width;
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}
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} else {
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h = img.height();
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w = img.width();
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}
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if (h > (windowHeight - 150)) {
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new_width = Math.round((windowHeight - 100) * w / h);
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new_width = (new_width / windowWidth) * 100;
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img.width(new_width + "%");
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} else {
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if (windowWidth < 770) {
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img.width("90%");
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} else {
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img.width("65%");
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}
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}
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if (typeof set_gallery_height != 'undefined') {
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set_gallery_height()
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}
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}
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var changeUrl = function() {
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window.location.hash = currentPic.image._id
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}
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var setStripToCenter = function() {
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left = (windowWidth / 2) - (66 * currentPic.index);
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thumbStrip.css("left", left + "px");
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}
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var setNextPic = function() {
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imageContainer.find(".gal-next.temp").remove()
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if (hasNextImage()) {
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var obj = albumData.images[currentPic.index + 1],
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nextImg = $("<img class='gallery-image gal-next gal-inactive'>");
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nextImg.attr("src", obj.file.theater.url);
|
|
nextImg.attr("alt", obj.alt_title);
|
|
nextImg.hide();
|
|
imageContainer.append(nextImg);
|
|
nextImg.on("load", function() {
|
|
calculateHeight(nextImg);
|
|
nextPicLoading = 1;
|
|
nextImg.fadeIn(100);
|
|
})
|
|
} else {
|
|
nextPicLoading = 1;
|
|
}
|
|
}
|
|
|
|
var setPrevPic = function() {
|
|
imageContainer.find(".gal-prev.temp").remove()
|
|
if (hasPreviousImage()) {
|
|
var obj = albumData.images[currentPic.index - 1],
|
|
prevImg = $("<img class='gallery-image gal-prev gal-inactive'>");
|
|
prevImg.attr("src", obj.file.theater.url);
|
|
prevImg.attr("alt", obj.alt_title);
|
|
prevImg.hide();
|
|
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();
|
|
});
|
|
$(window).load(function() {
|
|
set_margin();
|
|
});
|
|
}
|
|
|
|
// gallery-image gal-prev gal-inactive
|