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post-hover.js: enable only if the device supports hovering
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Zankaria
Zankaria
parent
6b3e578013
commit
dffc22ddf3
301
js/post-hover.js
301
js/post-hover.js
@ -13,165 +13,172 @@
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*
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*/
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onReady(function() {
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let dontFetchAgain = [];
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initHover = function() {
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let link = $(this);
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let id;
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let matches;
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/*
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* Unknown media types always return false, so old browsers (css media 3 or prior to css media) which do support
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* any-hover or css media queries may return false negatives.
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* Handle it by checking if the query is explicitly NOT supported.
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*/
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if (!window.matchMedia('(any-hover: none)').matches) {
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onReady(function() {
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let dontFetchAgain = [];
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initHover = function() {
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let link = $(this);
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let id;
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let matches;
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if (link.is('[data-thread]')) {
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id = link.attr('data-thread');
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} else if (matches = link.text().match(/^>>(?:>\/([^\/]+)\/)?(\d+)$/)) {
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id = matches[2];
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} else {
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return;
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}
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let board = $(this);
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while (board.data('board') === undefined) {
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board = board.parent();
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}
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let threadid;
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if (link.is('[data-thread]')) {
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threadid = 0;
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} else {
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threadid = board.attr('id').replace("thread_", "");
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}
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board = board.data('board');
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let parentboard = board;
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if (link.is('[data-thread]')) {
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parentboard = $('form[name="post"] input[name="board"]').val();
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} else if (matches[1] !== undefined) {
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board = matches[1];
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}
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let post = false;
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let hovering = false;
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let hoveredAt;
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link.hover(function(e) {
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hovering = true;
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hoveredAt = {'x': e.pageX, 'y': e.pageY};
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let startHover = function(link) {
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if (post.is(':visible') &&
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post.offset().top >= $(window).scrollTop() &&
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post.offset().top + post.height() <= $(window).scrollTop() + $(window).height()) {
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// post is in view
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post.addClass('highlighted');
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} else {
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let newPost = post.clone();
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newPost.find('>.reply, >br').remove();
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newPost.find('span.mentioned').remove();
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newPost.find('a.post_anchor').remove();
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newPost
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.attr('id', 'post-hover-' + id)
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.attr('data-board', board)
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.addClass('post-hover')
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.css('border-style', 'solid')
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.css('box-shadow', '1px 1px 1px #999')
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.css('display', 'block')
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.css('position', 'absolute')
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.css('font-style', 'normal')
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.css('z-index', '100')
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.addClass('reply').addClass('post')
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.insertAfter(link.parent())
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link.trigger('mousemove');
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}
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};
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post = $('[data-board="' + board + '"] div.post#reply_' + id + ', [data-board="' + board + '"]div#thread_' + id);
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if (post.length > 0) {
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startHover($(this));
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if (link.is('[data-thread]')) {
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id = link.attr('data-thread');
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} else if (matches = link.text().match(/^>>(?:>\/([^\/]+)\/)?(\d+)$/)) {
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id = matches[2];
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} else {
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let url = link.attr('href').replace(/#.*$/, '');
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return;
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}
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if ($.inArray(url, dontFetchAgain) != -1) {
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let board = $(this);
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while (board.data('board') === undefined) {
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board = board.parent();
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}
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let threadid;
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if (link.is('[data-thread]')) {
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threadid = 0;
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} else {
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threadid = board.attr('id').replace("thread_", "");
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}
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board = board.data('board');
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let parentboard = board;
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if (link.is('[data-thread]')) {
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parentboard = $('form[name="post"] input[name="board"]').val();
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} else if (matches[1] !== undefined) {
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board = matches[1];
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}
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let post = false;
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let hovering = false;
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let hoveredAt;
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link.hover(function(e) {
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hovering = true;
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hoveredAt = {'x': e.pageX, 'y': e.pageY};
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let startHover = function(link) {
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if (post.is(':visible') &&
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post.offset().top >= $(window).scrollTop() &&
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post.offset().top + post.height() <= $(window).scrollTop() + $(window).height()) {
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// post is in view
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post.addClass('highlighted');
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} else {
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let newPost = post.clone();
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newPost.find('>.reply, >br').remove();
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newPost.find('span.mentioned').remove();
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newPost.find('a.post_anchor').remove();
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newPost
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.attr('id', 'post-hover-' + id)
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.attr('data-board', board)
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.addClass('post-hover')
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.css('border-style', 'solid')
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.css('box-shadow', '1px 1px 1px #999')
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.css('display', 'block')
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.css('position', 'absolute')
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.css('font-style', 'normal')
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.css('z-index', '100')
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.addClass('reply').addClass('post')
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.insertAfter(link.parent())
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link.trigger('mousemove');
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}
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};
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post = $('[data-board="' + board + '"] div.post#reply_' + id + ', [data-board="' + board + '"]div#thread_' + id);
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if (post.length > 0) {
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startHover($(this));
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} else {
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let url = link.attr('href').replace(/#.*$/, '');
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if ($.inArray(url, dontFetchAgain) != -1) {
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return;
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}
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dontFetchAgain.push(url);
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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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let mythreadid = $(data).find('div[id^="thread_"]').attr('id').replace("thread_", "");
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if (mythreadid == threadid && parentboard == board) {
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$(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($(this).hide().addClass('hidden'));
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}
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});
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} else if ($('[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($(this).hide().addClass('hidden'));
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}
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});
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} else {
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$(data).find('div[id^="thread_"]').hide().attr('data-cached', 'yes').prependTo('form[name="postcontrols"]');
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}
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post = $('[data-board="' + board + '"] div.post#reply_' + id + ', [data-board="' + board + '"]div#thread_' + id);
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if (hovering && post.length > 0) {
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startHover(link);
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}
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}
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});
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}
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}, function() {
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hovering = false;
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if (!post) {
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return;
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}
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dontFetchAgain.push(url);
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$.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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let mythreadid = $(data).find('div[id^="thread_"]').attr('id').replace("thread_", "");
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post.removeClass('highlighted');
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if (post.hasClass('hidden') || post.data('cached') == 'yes') {
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post.css('display', 'none');
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}
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$('.post-hover').remove();
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}).mousemove(function(e) {
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if (!post) {
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return;
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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($(this).hide().addClass('hidden'));
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}
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});
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} else if ($('[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($(this).hide().addClass('hidden'));
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}
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});
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} else {
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$(data).find('div[id^="thread_"]').hide().attr('data-cached', 'yes').prependTo('form[name="postcontrols"]');
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}
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let hover = $('#post-hover-' + id + '[data-board="' + board + '"]');
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if (hover.length == 0) {
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return;
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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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let scrollTop = $(window).scrollTop();
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if (link.is("[data-thread]")) {
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scrollTop = 0;
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}
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let epy = e.pageY;
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if (link.is("[data-thread]")) {
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epy -= $(window).scrollTop();
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}
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if (hovering && post.length > 0) {
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startHover(link);
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}
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}
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});
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}
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}, function() {
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hovering = false;
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if (!post) {
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return;
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}
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let top = (epy ? epy : hoveredAt['y']) - 10;
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post.removeClass('highlighted');
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if (post.hasClass('hidden') || post.data('cached') == 'yes') {
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post.css('display', 'none');
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}
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$('.post-hover').remove();
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}).mousemove(function(e) {
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if (!post) {
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return;
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}
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if (epy < scrollTop + 15) {
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top = scrollTop;
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} else if (epy > scrollTop + $(window).height() - hover.height() - 15) {
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top = scrollTop + $(window).height() - hover.height() - 15;
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}
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let hover = $('#post-hover-' + id + '[data-board="' + board + '"]');
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if (hover.length == 0) {
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return;
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}
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hover.css('left', (e.pageX ? e.pageX : hoveredAt['x'])).css('top', top);
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});
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};
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let scrollTop = $(window).scrollTop();
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if (link.is("[data-thread]")) {
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scrollTop = 0;
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}
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let epy = e.pageY;
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if (link.is("[data-thread]")) {
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epy -= $(window).scrollTop();
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}
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$('div.body a:not([rel="nofollow"])').each(initHover);
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let top = (epy ? epy : hoveredAt['y']) - 10;
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if (epy < scrollTop + 15) {
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top = scrollTop;
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} else if (epy > scrollTop + $(window).height() - hover.height() - 15) {
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top = scrollTop + $(window).height() - hover.height() - 15;
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}
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hover.css('left', (e.pageX ? e.pageX : hoveredAt['x'])).css('top', top);
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// allow to work with auto-reload.js, etc.
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$(document).on('new_post', function(e, post) {
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$(post).find('div.body a:not([rel="nofollow"])').each(initHover);
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});
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};
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$('div.body a:not([rel="nofollow"])').each(initHover);
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// allow to work with auto-reload.js, etc.
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$(document).on('new_post', function(e, post) {
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$(post).find('div.body a:not([rel="nofollow"])').each(initHover);
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});
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});
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}
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