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Fetch external posts with json
This commit is contained in:
Markerov
parent
108f3ff99a
commit
1e15133b9b
181
js/post-hover.js
181
js/post-hover.js
@ -14,16 +14,16 @@
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*/
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onready(function(){
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var dont_fetch_again = [];
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init_hover = function() {
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var link = $(this);
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var id;
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var matches;
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if (link.is('[data-thread]')) {
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id = link.attr('data-thread');
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}
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if (link.is('[data-thread]')) {
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id = link.attr('data-thread');
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}
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else if(matches = link.text().match(/^>>(?:>\/([^\/]+)\/)?(\d+)$/)) {
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id = matches[2];
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}
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@ -50,7 +50,6 @@ onready(function(){
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var hovering = false;
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link.hover(function(e) {
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hovering = true;
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var start_hover = function(link) {
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if(post.is(':visible') &&
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post.offset().top >= $(window).scrollTop() &&
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@ -75,7 +74,7 @@ onready(function(){
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.css('left', '0')
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.css('margin-left', '')
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.addClass('reply').addClass('post')
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.appendTo(link.closest('div.post'))
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.appendTo(link.closest('div.post'));
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// shrink expanded images
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newPost.find('div.file a[data-expanded="true"]').each(function() {
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@ -137,47 +136,124 @@ onready(function(){
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}
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};
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post = $('[data-board="' + board + '"] div.post#reply_' + id + ', [data-board="' + board + '"]div#thread_' + id);
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if(post.length > 0) {
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start_hover($(this));
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} else {
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var url = link.attr('href').replace(/#.*$/, '');
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var url = link.attr('href').replace(/#.*$/, '').replace('.html', '.json');
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var dataPromise = getPost(id, url);
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if($.inArray(url, dont_fetch_again) != -1) {
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return;
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}
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dont_fetch_again.push(url);
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dataPromise.done(function (data) {
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// reconstruct post from json response
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var file_array = [];
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var multifile = false;
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$.ajax({
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url: url,
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context: document.body,
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success: function(data) {
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var mythreadid = $(data).find('div[id^="thread_"]').attr('id').replace("thread_", "");
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var add_info = function (data) {
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var file = {
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'thumb_h': data.tn_h,
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'thumb_w': data.tn_w,
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'fsize': data.fsize,
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'filename': data.filename,
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'ext': data.ext,
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'tim': data.tim
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};
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if (mythreadid == threadid && parentboard == board) {
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$(data).find('div.post.reply').each(function() {
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if($('[data-board="' + board + '"] #' + $(this).attr('id')).length == 0) {
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$('[data-board="' + board + '"]#thread_' + threadid + " .post.reply:first").before($(this).hide().addClass('hidden'));
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}
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if ('h' in data) {
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file.isImage = true; //(or video)
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file.h = data.h;
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file.w = data.w;
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} else {
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file.isImage = false;
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}
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// since response doens't indicate spoilered files,
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// we'll just make do by assuming any image with 128*128px thumbnail is spoilered.
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// which is probably 99% of the cases anyway.
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file.isSpoiler = (data.tn_h == 128 && data.tn_w == 128);
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file_array.push(file);
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};
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var bytesToSize = function (bytes) {
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var sizes = ['Bytes', 'KB', 'MB'];
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var i = parseInt(Math.floor(Math.log(bytes) / Math.log(1024)));
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return (i === 0) ? bytes +' '+ sizes[i] : (bytes / Math.pow(1024, i)).toFixed(2) +' ' +sizes[i];
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};
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// in case no subject
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if (!data.sub) data.sub = '';
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var $post = $('<div class="post reply hidden" id="reply_'+ data.no +'">')
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.append($('<p class="intro"></p>')
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.append('<span class="subject">'+ data.sub +'</span> ')
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.append('<span class="name">'+ data.name +'</span> ')
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.append('<a class="post_no">No.'+ data.no +'</a>')
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)
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.append($('<div class="body"></div>')
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.html(data.com)
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)
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.css('display', 'none');
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if ('filename' in data) {
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var $files = $('<div class="files">');
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add_info(data);
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if ('extra_files' in data) {
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multifile = true;
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$.each(data.extra_files, function () {
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add_info(this);
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});
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}
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else if ($('[data-board="' + board + '"]#thread_'+mythreadid).length > 0) {
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$(data).find('div.post.reply').each(function() {
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if($('[data-board="' + board + '"] #' + $(this).attr('id')).length == 0) {
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$('[data-board="' + board + '"]#thread_' + mythreadid + " .post.reply:first").before($(this).hide().addClass('hidden'));
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}
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});
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}
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else {
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$(data).find('div[id^="thread_"]').hide().attr('data-cached', 'yes').prependTo('form[name="postcontrols"]');
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}
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post = $('[data-board="' + board + '"] div.post#reply_' + id + ', [data-board="' + board + '"]div#thread_' + id);
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$.each(file_array, function () {
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var thumb_url;
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if(hovering && post.length > 0) {
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start_hover(link);
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if (this.isImage && !this.isSpoiler) {
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// video files uses jpg for thumbnail
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if (this.ext === '.webm' || this.ext === '.mp4') this.ext = '.jpg';
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thumb_url = '/'+ board +'/thumb/' + this.tim + this.ext;
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} else {
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thumb_url = (this.isSpoiler) ? '/static/spoiler.png' : '/static/file.png';
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}
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// file infos
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var $ele = $('<div class="file">')
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.append($('<p class="fileinfo">')
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.append('<span>File: </span>')
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.append('<a>'+ this.filename + this.ext +'</a>')
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.append('<span class="unimportant"> ('+ bytesToSize(this.fsize) +', '+ this.w +'x'+ this.h +')</span>')
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);
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if (multifile) $ele.addClass('multifile').css('max-width', '200px');
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// image
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var $img = $('<img class="post-image">')
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.css('width', this.thumb_w)
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.css('height', this.thumb_h)
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.attr('src', thumb_url);
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$ele.append($img);
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$files.append($ele);
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});
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$post.children('p.intro').after($files);
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}
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var mythreadid = (data.resto !== 0) ? data.resto : data.no;
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if (mythreadid != threadid || parentboard != board) {
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// previewing post from external thread/board
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if ($('div#thread_'+ mythreadid +'[data-board="'+ board +'"]').length === 0) {
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$('form[name="postcontrols"]').prepend('<div class="thread" id="thread_'+ mythreadid +'" data-board="'+ board +'" style="display: none;"></div>');
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}
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}
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if ($('div#thread_'+ mythreadid +'[data-board="'+ board +'"]').children('#reply_'+ data.no).length === 0) {
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$('div#thread_'+ mythreadid +'[data-board="'+ board +'"]').prepend($post);
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}
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post = $('[data-board="' + board + '"] div.post#reply_' + id + ', [data-board="' + board + '"]div#thread_' + id);
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if (hovering && post.length > 0) {
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start_hover(link);
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}
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});
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}
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}, function() {
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@ -186,12 +262,47 @@ onready(function(){
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return;
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post.removeClass('highlighted');
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if(post.hasClass('hidden') || post.data('cached') == 'yes')
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if(post.hasClass('hidden'))
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post.css('display', 'none');
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$('.post-hover').remove();
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});
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};
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var getPost = (function () {
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var cache = {};
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return function (targetId, url) {
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var deferred = $.Deferred();
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var data, post;
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var findPost = function (targetId, data) {
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var arr = data.posts;
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for (var i=0; i<arr.length; i++) {
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if (arr[i].no == targetId)
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return arr[i];
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}
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return false;
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};
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var get = function (targetId, url) {
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$.ajax({
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url: url,
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success: function (response) {
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cache[url] = response;
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var post = findPost(targetId, response);
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deferred.resolve(post);
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}
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});
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};
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// check for cached response and check if it's stale
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if ((data = cache[url]) !== undefined && (post = findPost(targetId, data))) {
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deferred.resolve(post);
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} else {
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get(targetId, url);
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}
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return deferred.promise();
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};
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})();
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$('div.body a:not([rel="nofollow"])').each(init_hover);
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// allow to work with auto-reload.js, etc.
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