lainchan/js/post-hover.js

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/*
* post-hover.js
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* https://github.com/savetheinternet/Tinyboard/blob/master/js/post-hover.js
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*
* Released under the MIT license
* Copyright (c) 2012 Michael Save <savetheinternet@tinyboard.org>
* Copyright (c) 2013-2014 Marcin Łabanowski <marcin@6irc.net>
* Copyright (c) 2013 Macil Tech <maciltech@gmail.com>
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*
* Usage:
* $config['additional_javascript'][] = 'js/jquery.min.js';
* $config['additional_javascript'][] = 'js/post-hover.js';
*
*/
onready(function(){
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var dont_fetch_again = [];
init_hover = function() {
var $link = $(this);
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var id;
var matches;
if ($link.is('[data-thread]')) {
id = $link.attr('data-thread');
}
else if(matches = $link.text().match(/^>>(?:>\/([^\/]+)\/)?(\d+)$/)) {
id = matches[2];
}
else {
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return;
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}
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var board = $(this);
while (board.data('board') === undefined) {
board = board.parent();
}
var threadid;
if ($link.is('[data-thread]')) threadid = 0;
else threadid = board.attr('id').replace("thread_", "");
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board = board.data('board');
var parentboard = board;
if ($link.is('[data-thread]')) parentboard = $('form[name="post"] input[name="board"]').val();
else if (matches[1] !== undefined) board = matches[1];
var $post = false;
var hovering = false;
var hovered_at;
$link.hover(function(e) {
hovering = true;
hovered_at = {'x': e.pageX, 'y': e.pageY};
var start_hover = function($link) {
if ($post.is(':visible') &&
$post.offset().top >= $(window).scrollTop() &&
$post.offset().top + $post.height() <= $(window).scrollTop() + $(window).height()) {
// post is in view
$post.addClass('highlighted');
} else {
var $newPost = $post.clone();
$newPost.find('>.reply, >br').remove();
$newPost.find('span.mentioned').remove();
$newPost.find('a.post_anchor').remove();
$newPost
.attr('id', 'post-hover-' + id)
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.attr('data-board', board)
.addClass('post-hover')
.css('border-style', 'solid')
.css('box-shadow', '1px 1px 1px #999')
.css('display', 'block')
.css('position', 'absolute')
.css('font-style', 'normal')
.css('z-index', '100')
.addClass('reply').addClass('post')
.insertAfter($link.parent())
$link.trigger('mousemove');
}
};
$post = $('[data-board="' + board + '"] div.post#reply_' + id + ', [data-board="' + board + '"]div#thread_' + id);
if($post.length > 0) {
start_hover($(this));
} else {
var url = $link.attr('href').replace(/#.*$/, '');
if($.inArray(url, dont_fetch_again) != -1) {
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return;
}
dont_fetch_again.push(url);
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$.ajax({
url: url,
context: document.body,
success: function(data) {
var mythreadid = $(data).find('div[id^="thread_"]').attr('id').replace("thread_", "");
if (mythreadid == threadid && parentboard == board) {
$(data).find('div.post.reply').each(function() {
if($('[data-board="' + board + '"] #' + $(this).attr('id')).length == 0) {
$('[data-board="' + board + '"]#thread_' + threadid + " .post.reply:first").before($(this).hide().addClass('hidden'));
}
});
}
else if ($('[data-board="' + board + '"]#thread_'+mythreadid).length > 0) {
$(data).find('div.post.reply').each(function() {
if($('[data-board="' + board + '"] #' + $(this).attr('id')).length == 0) {
$('[data-board="' + board + '"]#thread_' + mythreadid + " .post.reply:first").before($(this).hide().addClass('hidden'));
}
});
}
else {
$(data).find('div[id^="thread_"]').hide().attr('data-cached', 'yes').prependTo('form[name="postcontrols"]');
}
$post = $('[data-board="' + board + '"] div.post#reply_' + id + ', [data-board="' + board + '"]div#thread_' + id);
if(hovering && $post.length > 0) {
start_hover($link);
}
}
});
}
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}, function() {
hovering = false;
if(!$post)
return;
$post.removeClass('highlighted');
if($post.hasClass('hidden') || $post.data('cached') == 'yes')
$post.css('display', 'none');
$('.post-hover').remove();
}).mousemove(function(e) {
if(!$post)
return;
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var $hover = $('#post-hover-' + id + '[data-board="' + board + '"]');
if($hover.length == 0)
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return;
var scrollTop = $(window).scrollTop();
if ($link.is("[data-thread]")) scrollTop = 0;
var epy = e.pageY;
if ($link.is("[data-thread]")) epy -= $(window).scrollTop();
var top = (epy ? epy : hovered_at['y']) - 10;
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if(epy < scrollTop + 15) {
top = scrollTop;
} else if(epy > scrollTop + $(window).height() - $hover.height() - 15) {
top = scrollTop + $(window).height() - $hover.height() - 15;
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}
$hover.css('left', (e.pageX ? e.pageX : hovered_at['x'])).css('top', top);
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});
};
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$('div.body a:not([rel="nofollow"])').each(init_hover);
// allow to work with auto-reload.js, etc.
$(document).on('new_post', function(e, post) {
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$(post).find('div.body a:not([rel="nofollow"])').each(init_hover);
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});
});