//@copyright (c) 2007 Leandro Vieira Pinho (leandrovieira.com)

(function($) {
$.fn.lightBox = function(settings) {
settings = jQuery.extend({
overlayBgColor: '#000',
overlayOpacity:0.8,
imageLoading:'/js/css/lightbox-ico-loading.gif',
imageBtnPrev:'/js/css/lightbox-btn-prev.gif',
imageBtnNext:'/js/css/lightbox-btn-next.gif',
imageBtnClose:'/js/css/lightbox-btn-close.gif',
imageBlank:'/js/css/lightbox-blank.gif',
containerBorderSize:10,
containerResizeSpeed:400,
txtImage:'Image',
txtOf:'of',
keyToClose:'c',
keyToPrev:'p',
keyToNext:'n',
imageArray:[],
activeImage:0
},settings);
var jQueryMatchedObj = this;
function _initialize() {
_start(this,jQueryMatchedObj);
return false;
}
function _start(objClicked,jQueryMatchedObj) {
$('embed, object, select').css({ 'visibility' : 'hidden' });
_set_interface();
settings.imageArray.length = 0;
settings.activeImage = 0;
if ( jQueryMatchedObj.length == 1 ) {
var img = new String;
img = objClicked.getAttribute('name');
/*var img = new String;
img = $("a#" + id).find("img").attr("src");
img = img.replace("thumb","big");*/
settings.imageArray.push(new Array(img,objClicked.getAttribute('title')));
} else {
for ( var i = 0; i < jQueryMatchedObj.length; i++ ) {
var img = new String;
img = jQueryMatchedObj[i].getAttribute('name');
/*var id = jQueryMatchedObj[i].getAttribute('id');
var img = new String;
img = $("a#" + id).find("img").attr("src");
img = img.replace("thumb","big");*/
settings.imageArray.push(new Array(img,jQueryMatchedObj[i].getAttribute('title')));
}
}
var img = new String;
img = objClicked.getAttribute('name');
/*var id = objClicked.getAttribute('id');
var img = new String;
img = $("a#" + id).find("img").attr("src");
img = img.replace("thumb","big");*/
while ( settings.imageArray[settings.activeImage][0] != img ) {
settings.activeImage++;
}
_set_image_to_view();
}
function _set_interface() {
$('body').append('<div id="jquery-overlay"></div><div id="jquery-lightbox"><div id="lightbox-container-image-box"><div id="lightbox-container-image"><img id="lightbox-image"><div style="" id="lightbox-nav"><a href="#" id="lightbox-nav-btnPrev"></a><a href="#" id="lightbox-nav-btnNext"></a></div><div id="lightbox-loading"><a href="#" id="lightbox-loading-link"><img src="' + settings.imageLoading + '"></a></div></div></div><div id="lightbox-container-image-data-box"><div id="lightbox-container-image-data"><div id="lightbox-image-details"><span id="lightbox-image-details-caption"></span><span id="lightbox-image-details-currentNumber"></span></div><div id="lightbox-secNav"><a href="#" id="lightbox-secNav-btnClose"><img src="' + settings.imageBtnClose + '"></a></div></div></div></div>');
var arrPageSizes = ___getPageSize();
$('#jquery-overlay').css({
backgroundColor:settings.overlayBgColor,
opacity:settings.overlayOpacity,
width:arrPageSizes[0],
height:arrPageSizes[1]
}).fadeIn();
var arrPageScroll = ___getPageScroll();
$('#jquery-lightbox').css({
top:arrPageScroll[1] + (arrPageSizes[3] / 10),
left:arrPageScroll[0]
}).show();
$('#jquery-overlay,#jquery-lightbox').click(function() {
_finish();
});
$('#lightbox-loading-link,#lightbox-secNav-btnClose').click(function() {
_finish();
return false;
});
$(window).resize(function() {
var arrPageSizes = ___getPageSize();
$('#jquery-overlay').css({
width:arrPageSizes[0],
height:arrPageSizes[1]
});
var arrPageScroll = ___getPageScroll();
$('#jquery-lightbox').css({
top:arrPageScroll[1] + (arrPageSizes[3] / 10),
left:arrPageScroll[0]
});
});
}
function _set_image_to_view() {
$('#lightbox-loading').show();
$('#lightbox-image,#lightbox-nav,#lightbox-nav-btnPrev,#lightbox-nav-btnNext,#lightbox-container-image-data-box,#lightbox-image-details-currentNumber').hide();
var objImagePreloader = new Image();
objImagePreloader.onload = function() {
$('#lightbox-image').attr('src',settings.imageArray[settings.activeImage][0]);
_resize_container_image_box(objImagePreloader.width,objImagePreloader.height);
objImagePreloader.onload=function(){};
}
objImagePreloader.src = settings.imageArray[settings.activeImage][0];
};
function _resize_container_image_box(intImageWidth,intImageHeight) {
var intCurrentWidth = $('#lightbox-container-image-box').width();
var intCurrentHeight = $('#lightbox-container-image-box').height();
var intWidth = (intImageWidth + (settings.containerBorderSize * 2));
var intHeight = (intImageHeight + (settings.containerBorderSize * 2));
var intDiffW = intCurrentWidth - intWidth;
var intDiffH = intCurrentHeight - intHeight;
$('#lightbox-container-image-box').animate({ width: intWidth, height: intHeight },settings.containerResizeSpeed,function() { _show_image(); });
if ( ( intDiffW == 0 ) && ( intDiffH == 0 ) ) {
if ( $.browser.msie ) {
___pause(250);
} else {
___pause(100);
}
}
$('#lightbox-nav-btnPrev,#lightbox-nav-btnNext').css({ height: intImageHeight + (settings.containerBorderSize * 2) }); 
$('#lightbox-container-image-data-box').css({ width: intImageWidth });
};
function _show_image() {
$('#lightbox-loading').hide();
$('#lightbox-image').fadeIn(function() {
_show_image_data();
_set_navigation();
});
_preload_neighbor_images();
};
function _show_image_data() {
$('#lightbox-container-image-data-box').slideDown('fast');
$('#lightbox-image-details-caption').hide();
if ( settings.imageArray[settings.activeImage][1] ) {
$('#lightbox-image-details-caption').html(settings.imageArray[settings.activeImage][1]).show();
}
if ( settings.imageArray.length > 1 ) {
$('#lightbox-image-details-currentNumber').html(settings.txtImage + ' ' + ( settings.activeImage + 1 ) + ' ' + settings.txtOf + ' ' + settings.imageArray.length).show();
}
}
function _set_navigation() {
$('#lightbox-nav').show();
$('#lightbox-nav-btnPrev,#lightbox-nav-btnNext').css({ 'background' : 'transparent url(' + settings.imageBlank + ') no-repeat' });
if ( settings.activeImage != 0 ) {
$('#lightbox-nav-btnPrev').unbind().hover(function() {
$(this).css({ 'background' : 'url(' + settings.imageBtnPrev + ') left 15% no-repeat' });
},function() {
$(this).css({ 'background' : 'transparent url(' + settings.imageBlank + ') no-repeat' });
}).show().bind('click',function() {
settings.activeImage = settings.activeImage - 1;
_set_image_to_view();
return false;
});
}
if ( settings.activeImage != ( settings.imageArray.length -1 ) ) {
$('#lightbox-nav-btnNext').unbind().hover(function() {
$(this).css({ 'background' : 'url(' + settings.imageBtnNext + ') right 15% no-repeat' });
},function() {
$(this).css({ 'background' : 'transparent url(' + settings.imageBlank + ') no-repeat' });
}).show().bind('click',function() {
settings.activeImage = settings.activeImage + 1;
_set_image_to_view();
return false;
});
}
}
function _preload_neighbor_images() {
if ( (settings.imageArray.length -1) > settings.activeImage ) {
objNext = new Image();
objNext.src = settings.imageArray[settings.activeImage + 1][0];
}
if ( settings.activeImage > 0 ) {
objPrev = new Image();
objPrev.src = settings.imageArray[settings.activeImage -1][0];
}
}
function _finish() {
$('#jquery-lightbox').remove();
$('#jquery-overlay').fadeOut(function() { $('#jquery-overlay').remove(); });
$('embed, object, select').css({ 'visibility' : 'visible' });
}
function ___getPageSize() {
var xScroll, yScroll;
if (window.innerHeight && window.scrollMaxY) {
xScroll = window.innerWidth + window.scrollMaxX;
yScroll = window.innerHeight + window.scrollMaxY;
} else if (document.body.scrollHeight > document.body.offsetHeight){
xScroll = document.body.scrollWidth;
yScroll = document.body.scrollHeight;
} else {
xScroll = document.body.offsetWidth;
yScroll = document.body.offsetHeight;
}
var windowWidth, windowHeight;
if (self.innerHeight) {
if(document.documentElement.clientWidth){
windowWidth = document.documentElement.clientWidth; 
} else {
windowWidth = self.innerWidth;
}
windowHeight = self.innerHeight;
} else if (document.documentElement && document.documentElement.clientHeight) {
windowWidth = document.documentElement.clientWidth;
windowHeight = document.documentElement.clientHeight;
} else if (document.body) {
windowWidth = document.body.clientWidth;
windowHeight = document.body.clientHeight;
}
if(yScroll < windowHeight){
pageHeight = windowHeight;
} else { 
pageHeight = yScroll;
}
if(xScroll < windowWidth){
pageWidth = xScroll;
} else {
pageWidth = windowWidth;
}
arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) 
return arrayPageSize;
};
function ___getPageScroll() {
var xScroll, yScroll;
if (self.pageYOffset) {
yScroll = self.pageYOffset;
xScroll = self.pageXOffset;
} else if (document.documentElement && document.documentElement.scrollTop) {
yScroll = document.documentElement.scrollTop;
xScroll = document.documentElement.scrollLeft;
} else if (document.body) {
yScroll = document.body.scrollTop;
xScroll = document.body.scrollLeft;
}
arrayPageScroll = new Array(xScroll,yScroll) 
return arrayPageScroll;
};
 function ___pause(ms) {
var date = new Date(); 
curDate = null;
do { var curDate = new Date(); }
while ( curDate - date < ms);
};
return this.unbind('click').click(_initialize);
};
})(jQuery);