lainchan/js/post-hover.js

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/*
* post-hover.js
* https://github.com/savetheinternet/Tinyboard-Tools/blob/master/js/post-hover.js
*
* Released under the MIT license
* Copyright (c) 2012 Michael Save <savetheinternet@tinyboard.org>
*
* Usage:
* $config['additional_javascript'][] = 'js/jquery.min.js';
* $config['additional_javascript'][] = 'js/post-hover.js';
*
*/
$(document).ready(function(){
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var dont_fetch_again = [];
var init_hover = function() {
var link = $(this);
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var id;
if(id = $(link).text().match(/^>>(\d+)$/)) {
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id = id[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 + post.height() >= $(window).scrollTop() &&
post.offset().top <= $(window).scrollTop() + $(window).height()
) {
// post is in view
post.attr('style', 'border-style: none dashed dashed none; background: ' + post.css('border-right-color'));
} else {
post.clone()
.attr('id', 'post-hover-' + id)
.addClass('post-hover')
.css('position', 'absolute')
.css('border-style', 'solid')
.css('box-shadow', '1px 1px 1px #999')
.css('display', 'block')
.insertAfter($(link).parent());
$(link).trigger('mousemove');
}
};
post = $('div.post#reply_' + id);
if(post.length > 0) {
start_hover(this);
} else {
var url = link.attr('href').replace(/#.*$/, '');
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) {
$(data).find('div.post.reply').each(function() {
if($('#' + $(this).attr('id')).length == 0)
$('div.post:first').prepend($(this).css('display', 'none').addClass('hidden'));
});
post = $('div.post#reply_' + id);
if(hovering && post.length > 0) {
start_hover(link);
}
}
});
}
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}, function() {
hovering = false;
if(!post)
return;
post.attr('style', '');
if(post.hasClass('hidden'))
post.css('display', 'none');
$('.post-hover').remove();
}).mousemove(function(e) {
if(!post)
return;
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var hover = $('#post-hover-' + id);
if(hover.length == 0)
return;
var top = (e.pageY ? e.pageY : hovered_at['y']) - 10;
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if(e.pageY < $(window).scrollTop() + 15) {
top = $(window).scrollTop();
} else if(e.pageY > $(window).scrollTop() + $(window).height() - hover.height() - 15) {
top = $(window).scrollTop() + $(window).height() - hover.height() - 15;
}
hover.css('left', (e.pageX ? e.pageX : hovered_at['x'])).css('top', top);
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});
};
$('p.body a:not([rel="nofollow"])').each(init_hover);
// allow to work with auto-reload.js, etc.
$(document).bind('new_post', function(e, post) {
$(post).find('p.body a:not([rel="nofollow"])').each(init_hover);
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});
});