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/***
* Application: Topic Thumbnail
* Description: This application can displays thumbnails of topics.
* Version: 1.03032014-jq1.9.1 - Udyat (Argumentum parvam)
* Made and Optimizations by JScript - 2014/03/03
* View more in: http://ajuda.forumeiros.com
* Copyright (c) 2013 JScript <jscriptbrasil at live dot com>
* This work is free. You can redistribute it and/or modify it
* under the terms of the WTFPL, Version 2
*/
jQuery(function () {
var sCSS =
'<style>' +
'.bim_mainThumb {' +
'opacity: 1;' +
'visibility: visible;' +
'max-width: none;' +
'max-height: none;' +
'width: 100%;' +
'height: auto;' +
'display: block;' +
'image-rendering: auto' +
'}' +
'.bim_thumbPreview {' +
'float: right;' +
'position: relative;' +
'z-index: 0;' +
'}' +
'.bim_img_container {' +
'height: 70px;' +
'width: 70px;' +
'}' +
'.bim_thumbPreview span {' +
'box-shadow: 0 6px 6px rgba(0, 0, 0, 0.5);' +
'margin-left: 84px;' +
'margin-top: -68px;' +
'position: absolute;' +
'visibility: hidden;' +
'z-index: 100;' +
'}' +
'.bim_thumbPreview:hover span {' +
'visibility: visible;' +
'}' +
'.bim_thumbPreview span img {' +
'border: 3px solid #000000;' +
'max-width: 300px;' +
'}' +
'</style>';
document.head.insertAdjacentHTML('beforeEnd', sCSS);
var sHtml =
'<a class="bim_thumbPreview">' +
'<div style="padding: 1px; border: 1px solid #d5d5d5;">' +
'<div class="thumbIMG">' +
'<div class="bim_img_container" style="overflow: hidden; background-image: none;">' +
'<img src="http://2img.net/i/fa/empty.gif" class="bim_mainThumb">' +
'</div>' +
'</div>' +
'</div>' +
'<span class="previewIMG"><img src="http://i55.servimg.com/u/f55/18/17/62/92/no_ima10.jpg"></span>' +
'</a>';
var oTarget = 0,
sFound = 'td:eq(2)',
sInsert = '',
sCommon = 'a.topictitle',
sOverflow = 'auto',
sGetIMG = '';
/* Forum versions! */
var phpBB2 = jQuery('.three-col td:eq(1) > table.forumline:last tbody tr:not(":empty")');
var phpBB3 = jQuery('.topiclist.topics.bg_none li:not(":empty")');
var punbb = jQuery('.statused tr:not(":empty")');
var invision = jQuery('.borderwrap table.ipbtable tbody tr:not(":empty")');
if (phpBB2.length) {
oTarget = phpBB2;
sInsert = 'div.topictitle';
sGetIMG = '#page-body .post:first .postbody img:first';
} else if(phpBB3.length) {
oTarget = phpBB3;
sFound = 'dd.dterm';
sInsert = 'div.topic-title-container';
sOverflow = 'inherit';
sGetIMG = '#main-content .post:first .content img:first';
} else if(punbb.length) {
oTarget = punbb;
sFound = '.tcl.tdtopics';
sInsert = 'span.status';
sGetIMG = '.main-content.topic .entry-content:first img:first';
} else if(invision.length) {
oTarget = invision;
sInsert = sCommon;
sGetIMG = '.borderwrap .post-entry:first img:first';
};
oTarget.each(function( index ) {
var oFound = jQuery(this).find(sFound);
if (oFound.length) {
var oInsert = oFound.find(sInsert);
var sUrl = oFound.find(sCommon).attr('href');
var ID = 'Udyat_' + index;
oFound.attr('id', ID);
oFound.css('overflow', sOverflow);
jQuery(sHtml).insertAfter(oInsert);
/***
* Only show the image if is visible in browser window (view port)!!!
* Made and Optimizations by JScript at www.punbb.forumeiros.com
*/
var elem = document.getElementById( ID );
if (isInViewPort(elem)) {
jQuery.get(sUrl, function(data) {
var oImg = jQuery(sGetIMG, data);
var sImg = '';
if (oImg !== undefined) {
sImg = oImg.attr('src');
if (sImg !== undefined) {
oFound.find('.bim_img_container img').attr('src', sImg);
oFound.find('.previewIMG img').attr('src', sImg);
} else {
oFound.find('.bim_img_container img').attr('src', 'http://i55.servimg.com/u/f55/18/17/62/92/no_ima10.jpg');
}
}
});
} else {
/* Fire event for 'scroll' to show the image... */
jQuery(window).on('scroll.' + sUrl, showImage(sUrl, elem, oFound, sGetIMG));
}
}
});
});
/* Function to check if an element is visible in view port */
function isInViewPort(elem) {
var rect = elem.getBoundingClientRect();
return (
rect.top >= 0 && rect.left >= 0 && rect.bottom <= (window.innerHeight || document.documentElement.clientHeight) && /*or $(window).height() */
rect.right <= (window.innerWidth || document.documentElement.clientWidth) /*or $(window).width() */ );
}
/* Start function to show the image... */
function showImage(event, elem, oBject, sString) {
return function() {
/* Chech if the element is visible in view port! */
if (isInViewPort(elem)) {
/* If visible, stop event!!! */
jQuery(window).off('scroll.' + event);
jQuery.get(event, function(data) {
var oImg = jQuery(sString, data);
var sImg = '';
if (oImg !== undefined) {
sImg = oImg.attr('src');
if (sImg !== undefined) {
oBject.find('.bim_img_container img').attr('src', sImg);
oBject.find('.previewIMG img').attr('src', sImg);
} else {
oBject.find('.bim_img_container img').attr('src', 'http://i55.servimg.com/u/f55/18/17/62/92/no_ima10.jpg');
}
}
});
}
}
}