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Cosmetics.
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Lars Jung
parent
7494491637
commit
c71f891af2
311 changed files with 55 additions and 46 deletions
285
src/_h5ai/client/js/inc/ext/preview-img.js
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285
src/_h5ai/client/js/inc/ext/preview-img.js
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modulejs.define('ext/preview-img', ['_', '$', 'core/settings', 'core/resource', 'core/store', 'core/event', 'core/entry'], function (_, $, allsettings, resource, store, event, entry) {
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var settings = _.extend({
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enabled: false,
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types: ['bmp', 'gif', 'ico', 'image', 'jpg', 'png', 'tiff']
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}, allsettings['preview-img']),
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template = '<div id="pv-img-overlay" class="noSelection">' +
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'<div id="pv-img-content">' +
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'<img id="pv-img-image"/>' +
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'</div>' +
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'<div id="pv-img-close"/>' +
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'<div id="pv-img-prev"/>' +
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'<div id="pv-img-next"/>' +
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'<div id="pv-img-bottombar" class="clearfix">' +
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'<ul id="pv-img-buttons">' +
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'<li id="pv-img-bar-size" class="bar-left bar-label"/>' +
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'<li id="pv-img-bar-percent" class="bar-left bar-label"/>' +
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'<li id="pv-img-bar-label" class="bar-left bar-label"/>' +
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'<li id="pv-img-bar-close" class="bar-right bar-button"><img src="' + resource.image('preview/close') + '"/></li>' +
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'<li id="pv-img-bar-original" class="bar-right"><a class="bar-button" target="_blank"><img src="' + resource.image('preview/raw') + '"/></a></li>' +
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'<li id="pv-img-bar-fullscreen" class="bar-right bar-button"><img src="' + resource.image('preview/fullscreen') + '"/></li>' +
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'<li id="pv-img-bar-next" class="bar-right bar-button"><img src="' + resource.image('preview/next') + '"/></li>' +
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'<li id="pv-img-bar-idx" class="bar-right bar-label"/>' +
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'<li id="pv-img-bar-prev" class="bar-right bar-button"><img src="' + resource.image('preview/prev') + '"/></li>' +
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'</ul>' +
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'</div>' +
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'</div>',
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storekey = 'h5ai.preview-img.isFullscreen',
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currentEntries = [],
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currentIdx = 0,
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isFullscreen = store.get(storekey) || false,
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adjustSize = function () {
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var rect = $(window).fracs('viewport'),
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$container = $('#pv-img-content'),
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$img = $('#pv-img-image'),
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margin = isFullscreen ? 0 : 20,
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barheight = isFullscreen ? 0 : 31;
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$container.css({
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width: rect.width - 2 * margin,
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height: rect.height - 2 * margin - barheight,
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left: margin,
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top: margin
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});
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var lr = ($container.width() - $img.width()) / 2,
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tb = ($container.height() - $img.height()) / 2;
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$img.css({
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margin: '' + tb + 'px ' + lr + 'px'
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});
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rect = $img.fracs('rect');
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if (!rect) {
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return;
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}
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rect = rect.relativeTo($('#pv-img-overlay').fracs('rect'));
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$('#pv-img-prev').css({
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left: rect.left,
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top: rect.top,
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width: rect.width / 2,
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height: rect.height
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});
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$('#pv-img-next').css({
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left: rect.left + rect.width / 2,
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top: rect.top,
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width: rect.width / 2,
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height: rect.height
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});
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if (isFullscreen) {
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$('#pv-img-overlay').addClass('fullscreen');
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$('#pv-img-bar-fullscreen').find('img').attr('src', resource.image('preview/no-fullscreen'));
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$('#pv-img-bottombar').fadeOut(400);
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} else {
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$('#pv-img-overlay').removeClass('fullscreen');
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$('#pv-img-bar-fullscreen').find('img').attr('src', resource.image('preview/fullscreen'));
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$('#pv-img-bottombar').fadeIn(200);
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}
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},
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preloadImg = function (src, callback) {
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var $hidden = $('<div><img/></div>')
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.css({
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position: 'absolute',
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overflow: 'hidden',
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width: 0,
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height: 0
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})
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.appendTo('body'),
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$img = $hidden.find('img')
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.one('load', function () {
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var width = $img.width(),
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height = $img.height();
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$hidden.remove();
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callback(width, height);
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// setTimeout(function () { callback(width, height); }, 1000); // for testing
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})
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.attr('src', src);
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},
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onIndexChange = function (idx) {
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currentIdx = (idx + currentEntries.length) % currentEntries.length;
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var $container = $('#pv-img-content'),
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$img = $('#pv-img-image'),
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src = currentEntries[currentIdx].absHref,
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spinnerTimeout = setTimeout(function () {
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$container.spin({
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length: 12,
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width: 4,
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radius: 24,
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color: '#ccc',
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shadow: true
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});
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}, 200);
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preloadImg(src, function (width, height) {
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clearTimeout(spinnerTimeout);
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$container.spin(false);
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$img.fadeOut(100, function () {
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$img.attr('src', src).fadeIn(200);
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// small timeout, so $img is visible and therefore $img.width is available
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setTimeout(function () {
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adjustSize();
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$('#pv-img-bar-percent').text('' + (100 * $img.width() / width).toFixed(0) + '%');
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$('#pv-img-bar-label').text(currentEntries[currentIdx].label);
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$('#pv-img-bar-size').text('' + width + 'x' + height);
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$('#pv-img-bar-idx').text('' + (currentIdx + 1) + ' / ' + currentEntries.length);
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$('#pv-img-bar-original').find('a').attr('href', currentEntries[currentIdx].absHref);
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}, 1);
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});
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});
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},
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onEnter = function (entries, idx) {
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$(window).on('keydown', onKeydown);
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$('#pv-img-overlay').stop(true, true).fadeIn(200);
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currentEntries = entries;
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onIndexChange(idx);
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},
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onNext = function () {
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onIndexChange(currentIdx + 1);
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},
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onPrevious = function () {
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onIndexChange(currentIdx - 1);
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},
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onExit = function () {
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$(window).off('keydown', onKeydown);
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$('#pv-img-overlay').stop(true, true).fadeOut(200);
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},
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onFullscreen = function () {
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isFullscreen = !isFullscreen;
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store.put(storekey, isFullscreen);
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adjustSize();
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},
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onKeydown = function (event) {
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var key = event.which;
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if (key === 27) { // esc
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onExit();
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} else if (key === 8 || key === 37 || key === 40) { // backspace, left, down
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onPrevious();
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} else if (key === 13 || key === 32 || key === 38 || key === 39) { // enter, space, up, right
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onNext();
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} else if (key === 70) { // f
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onFullscreen();
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}
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event.preventDefault();
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event.stopImmediatePropagation();
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},
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initEntry = function (entry) {
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if (entry.$extended && _.indexOf(settings.types, entry.type) >= 0) {
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entry.$extended.find('a').on('click', function (event) {
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event.preventDefault();
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var matchedEntries = _.compact(_.map($('#extended .entry'), function (entry) {
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entry = $(entry).data('entry');
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return _.indexOf(settings.types, entry.type) >= 0 ? entry : null;
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}));
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onEnter(matchedEntries, _.indexOf(matchedEntries, entry));
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});
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}
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},
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init = function (entry) {
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if (!settings.enabled) {
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return;
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}
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_.each(entry.content, initEntry);
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$(template).appendTo('body');
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$('#pv-img-bar-prev, #pv-img-prev').on('click', onPrevious);
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$('#pv-img-bar-next, #pv-img-next').on('click', onNext);
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$('#pv-img-bar-close, #pv-img-close').on('click', onExit);
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$('#pv-img-bar-fullscreen').on('click', onFullscreen);
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$('#pv-img-prev')
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.on('mouseenter', function () {
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$('#pv-img-bar-prev').addClass('hover');
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})
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.on('mouseleave', function () {
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$('#pv-img-bar-prev').removeClass('hover');
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});
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$('#pv-img-next')
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.on('mouseenter', function () {
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$('#pv-img-bar-next').addClass('hover');
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})
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.on('mouseleave', function () {
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$('#pv-img-bar-next').removeClass('hover');
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});
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$('#pv-img-close')
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.on('mouseenter', function () {
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$('#pv-img-bar-close').addClass('hover');
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})
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.on('mouseleave', function () {
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$('#pv-img-bar-close').removeClass('hover');
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});
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$('#pv-img-overlay')
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.on('keydown', onKeydown)
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.on('mousemove', function (event) {
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if (isFullscreen) {
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var rect = $('#pv-img-overlay').fracs('rect');
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if (rect.bottom - event.pageY < 64) {
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$('#pv-img-bottombar').fadeIn(200);
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} else {
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$('#pv-img-bottombar').fadeOut(400);
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}
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}
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})
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.on('click mousedown mousemove keydown keypress', function (event) {
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event.stopImmediatePropagation();
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});
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event.sub('entry.created', initEntry);
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$(window).on('resize load', adjustSize);
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};
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init(entry);
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});
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