/* ------------------------------------------------------------------------
Class: prettyPhoto
Use: Lightbox clone for jQuery
Author: Stephane Caron (http://www.no-margin-for-errors.com)
Version: 2.2.1
------------------------------------------------------------------------- */
(function(jQuery) {
jQuery.fn.prettyPhoto = function(settings) {
// global Variables
var isSet = false; /* Total position in the array */
var setCount = 0; /* Total images in the set */
var setPosition = 0; /* Position in the set */
var arrayPosition = 0; /* Total position in the array */
var hasTitle = false;
var caller = 0;
var doresize = true;
var imagesArray = [];
jQuery(window).scroll(function(){ _centerPicture(); });
jQuery(window).resize(function(){ _centerPicture(); _resizeOverlay(); });
jQuery(document).keyup(function(e){
switch(e.keyCode){
case 37:
if (setPosition == 1) return;
changePicture('previous');
break;
case 39:
if (setPosition == setCount) return;
changePicture('next');
break;
case 27:
close();
break;
};
    });
 
settings = jQuery.extend({
animationSpeed: 'normal', /* fast/slow/normal */
padding: 40, /* padding for each side of the picture */
opacity: 0.35, /* Value betwee 0 and 1 */
showTitle: true, /* true/false */
allowresize: true /* true/false */
}, settings);
jQuery(this).each(function(){
imagesArray[imagesArray.length] = this;
jQuery(this).bind('click',function(){
open(this); return false;
});
});
function open(el) {
caller = jQuery(el);
// Find out if the picture is part of a set
theRel = jQuery(caller).attr('rel');
galleryRegExp = /\[(?:.*)\]/;
theGallery = galleryRegExp.exec(theRel);
// Find out the type of content
contentType = "image";
if(jQuery(caller).attr('href').indexOf('.swf') > 0){ hasTitle = false; contentType = 'flash'; };
// Calculate the number of items in the set, and the position of the clicked picture.
isSet = false;
setCount = 0;
for (i = 0; i < imagesArray.length; i++){
if(jQuery(imagesArray[i]).attr('rel').indexOf(theGallery) != -1){
setCount++;
if(setCount > 1) isSet = true;
if(jQuery(imagesArray[i]).attr('href') == jQuery(el).attr('href')){
setPosition = setCount;
arrayPosition = i;
};
};
};
_buildOverlay(isSet);
// Display the current position
jQuery('div.pictureHolder span.currentText').html('<span>' + setPosition + '</span>' + '/' + setCount);
// Position the picture in the center of the viewing area
_centerPicture();
jQuery('div.pictureHolder #fullResImageContainer').hide();
jQuery('.loaderIcon').show();
// Display the correct type of information
(contentType == 'image') ? _preload() : _writeFlash();
};
showimage = function(width,height,containerWidth,containerHeight,contentHeight,contentWidth,resized){
jQuery('.loaderIcon').hide();
var scrollPos = _getScroll();
if(jQuery.browser.opera) {
windowHeight = window.innerHeight;
windowWidth = window.innerWidth;
}else{
windowHeight = jQuery(window).height();
windowWidth = jQuery(window).width();
};
jQuery('div.pictureHolder .content').animate({'height':contentHeight,'width':containerWidth},settings.animationSpeed);
projectedTop = scrollPos['scrollTop'] + ((windowHeight/2) - (containerHeight/2));
if(projectedTop < 0) projectedTop = 0 + jQuery('div.prettyPhotoTitle').height();
// Resize the holder
jQuery('div.pictureHolder').animate({
'top': projectedTop,
'left': ((windowWidth/2) - (containerWidth/2)),
'width': containerWidth
},settings.animationSpeed,function(){
jQuery('#fullResImage').attr({
'width':width,
'height':height
});
jQuery('div.pictureHolder').width(containerWidth);
jQuery('div.pictureHolder .hoverContainer').height(height).width(width);
// Show the nav elements
_shownav();
// Fade the new image
jQuery('div.pictureHolder #fullResImageContainer').fadeIn(settings.animationSpeed);
// Fade the resizing link if the image is resized
if(resized) jQuery('a.expand,a.contract').fadeIn(settings.animationSpeed);
});
};
function changePicture(direction){
if(direction == 'previous') {
arrayPosition--;
setPosition--;
}else{
arrayPosition++;
setPosition++;
};
// Allow the resizing of the images
if(!doresize) doresize = true;
// Fade out the current picture
jQuery('div.pictureHolder .hoverContainer,div.pictureHolder .details').fadeOut(settings.animationSpeed);
jQuery('div.pictureHolder #fullResImageContainer').fadeOut(settings.animationSpeed,function(){
jQuery('.loaderIcon').show();
// Preload the image
_preload();
});
_hideTitle();
jQuery('a.expand,a.contract').fadeOut(settings.animationSpeed,function(){
jQuery(this).removeClass('contract').addClass('expand');
});
};
function close(){
jQuery('div.pictureHolder,div.prettyPhotoTitle').fadeOut(settings.animationSpeed, function(){
jQuery('div.prettyPhotoOverlay').fadeOut(settings.animationSpeed, function(){
jQuery('div.prettyPhotoOverlay,div.pictureHolder,div.prettyPhotoTitle').remove();
// To fix the bug with IE select boxes
if(jQuery.browser.msie && jQuery.browser.version == 6){
jQuery('select').css('visibility','visible');
};
});
});
};
function _checkPosition(){
// If at the end, hide the next link
(setPosition == setCount) ? jQuery('div.pictureHolder a.next').css('visibility','hidden') : jQuery('div.pictureHolder a.next').css('visibility','visible');
// If at the beginning, hide the previous link
(setPosition == 1) ? jQuery('div.pictureHolder a.previous').css('visibility','hidden') : jQuery('div.pictureHolder a.previous').css('visibility','visible');
// Change the current picture text
jQuery('div.pictureHolder span.currentText span').text(setPosition);
(isSet) ? jQueryc = jQuery(imagesArray[arrayPosition]) : jQueryc = jQuery(caller);
if(jQueryc.attr('title')){
jQuery('div.pictureHolder .description').html(unescape(jQueryc.attr('title')));
}else{
jQuery('div.pictureHolder .description').text('');
};
if(jQueryc.find('img').attr('alt') && settings.showTitle){
hasTitle = true;
jQuery('div.prettyPhotoTitle .prettyPhotoTitleContent').html(unescape(jQueryc.find('img').attr('alt')));
}else{
hasTitle = false;
};
};
function _fitToViewport(width,height){
hasBeenResized = false;
jQuery('div.pictureHolder .details').width(width); /* To have the correct height */
jQuery('div.pictureHolder .details p.description').width(width - parseFloat(jQuery('div.pictureHolder a.close').css('width'))); /* So it doesn't overlap the button */
// Get the container size, to resize the holder to the right dimensions
contentHeight = height + parseFloat(jQuery('div.pictureHolder .details').height()) + parseFloat(jQuery('div.pictureHolder .details').css('margin-top')) + parseFloat(jQuery('div.pictureHolder .details').css('margin-bottom'));
contentWidth = width;
containerHeight = height + parseFloat(jQuery('div.prettyPhotoTitle').height()) + parseFloat(jQuery('div.pictureHolder .top').height()) + parseFloat(jQuery('div.pictureHolder .bottom').height());
containerWidth = width + settings.padding;
// Define them in case there's no resize needed
imageWidth = width;
imageHeight = height;
if(jQuery.browser.opera) {
windowHeight = window.innerHeight;
windowWidth = window.innerWidth;
}else{
windowHeight = jQuery(window).height();
windowWidth = jQuery(window).width();
};
if( ((containerWidth > windowWidth) || (containerHeight > windowHeight)) && doresize && settings.allowresize) {
hasBeenResized = true;
if((containerWidth > windowWidth) && (containerHeight > windowHeight)){
// Get the original geometry and calculate scales
var xscale =  (containerWidth + 200) / windowWidth;
var yscale = (containerHeight + 200) / windowHeight;
}else{
// Get the original geometry and calculate scales
var xscale = windowWidth / containerWidth;
var yscale = windowHeight / containerHeight;
}
// Recalculate new size with default ratio
if (yscale>xscale){
imageWidth = Math.round(width * (1/yscale));
imageHeight = Math.round(height * (1/yscale));
} else {
imageWidth = Math.round(width * (1/xscale));
imageHeight = Math.round(height * (1/xscale));
};
// Define the new dimensions
contentHeight = imageHeight + parseFloat(jQuery('div.pictureHolder .details').height()) + parseFloat(jQuery('div.pictureHolder .details').css('margin-top')) + parseFloat(jQuery('div.pictureHolder .details').css('margin-bottom'));
contentWidth = imageWidth;
containerHeight = imageHeight + parseFloat(jQuery('div.prettyPhotoTitle').height()) + parseFloat(jQuery('div.pictureHolder .top').height()) + parseFloat(jQuery('div.pictureHolder .bottom').height());
containerWidth = imageWidth + settings.padding;
jQuery('div.pictureHolder .details').width(contentWidth); /* To have the correct height */
jQuery('div.pictureHolder .details p.description').width(contentWidth - parseFloat(jQuery('div.pictureHolder a.close').css('width'))); /* So it doesn't overlap the button */
};
return {
width:imageWidth,
height:imageHeight,
containerHeight:containerHeight,
containerWidth:containerWidth,
contentHeight:contentHeight,
contentWidth:contentWidth,
resized:hasBeenResized
};
};
function _centerPicture(){
//Make sure the gallery is open
if(jQuery('div.pictureHolder').size() > 0){
var scrollPos = _getScroll();
if(jQuery.browser.opera) {
windowHeight = window.innerHeight;
windowWidth = window.innerWidth;
}else{
windowHeight = jQuery(window).height();
windowWidth = jQuery(window).width();
};
if(doresize) {
projectedTop = (windowHeight/2) + scrollPos['scrollTop'] - (jQuery('div.pictureHolder').height()/2);
if(projectedTop < 0) projectedTop = 0 + jQuery('div.prettyPhotoTitle').height();
jQuery('div.pictureHolder').css({
'top': projectedTop,
'left': (windowWidth/2) + scrollPos['scrollLeft'] - (jQuery('div.pictureHolder').width()/2)
});
jQuery('div.prettyPhotoTitle').css({
'top' : jQuery('div.pictureHolder').offset().top - jQuery('div.prettyPhotoTitle').height(),
'left' : jQuery('div.pictureHolder').offset().left + (settings.padding/2)
});
};
};
};
function _shownav(){
if(isSet) jQuery('div.pictureHolder .hoverContainer').fadeIn(settings.animationSpeed);
jQuery('div.pictureHolder .details').fadeIn(settings.animationSpeed);
_showTitle();
};
function _showTitle(){
if(settings.showTitle && hasTitle){
jQuery('div.prettyPhotoTitle').css({
'top' : jQuery('div.pictureHolder').offset().top,
'left' : jQuery('div.pictureHolder').offset().left + (settings.padding/2),
'display' : 'block'
});
jQuery('div.prettyPhotoTitle div.prettyPhotoTitleContent').css('width','auto');
if(jQuery('div.prettyPhotoTitle').width() > jQuery('div.pictureHolder').width()){
jQuery('div.prettyPhotoTitle div.prettyPhotoTitleContent').css('width',jQuery('div.pictureHolder').width() - (settings.padding * 2));
}else{
jQuery('div.prettyPhotoTitle div.prettyPhotoTitleContent').css('width','');
};
jQuery('div.prettyPhotoTitle').animate({'top':(jQuery('div.pictureHolder').offset().top - 22)},settings.animationSpeed);
};
};
function _hideTitle() {
jQuery('div.prettyPhotoTitle').animate({'top':(jQuery('div.pictureHolder').offset().top)},settings.animationSpeed,function() { jQuery(this).css('display','none'); });
};
function _preload(){
// Hide the next/previous links if on first or last images.
_checkPosition();
// Set the new image
imgPreloader = new Image();
// Preload the neighbour images
nextImage = new Image();
if(isSet) nextImage.src = jQuery(imagesArray[arrayPosition + 1]).attr('href');
prevImage = new Image();
if(isSet && imagesArray[arrayPosition - 1]) prevImage.src = jQuery(imagesArray[arrayPosition - 1]).attr('href');
jQuery('div.pictureHolder .content').css('overflow','hidden');
if(isSet) {
jQuery('div.pictureHolder #fullResImage').attr('src',jQuery(imagesArray[arrayPosition]).attr('href'));
}else{
jQuery('div.pictureHolder #fullResImage').attr('src',jQuery(caller).attr('href'));
};
imgPreloader.onload = function(){
var correctSizes = _fitToViewport(imgPreloader.width,imgPreloader.height);
imgPreloader.width = correctSizes['width'];
imgPreloader.height = correctSizes['height'];
// Need that small delay for the anim to be nice
setTimeout('showimage(imgPreloader.width,imgPreloader.height,'+correctSizes["containerWidth"]+','+correctSizes["containerHeight"]+','+correctSizes["contentHeight"]+','+correctSizes["contentWidth"]+','+correctSizes["resized"]+')',500);
};
(isSet) ? imgPreloader.src = jQuery(imagesArray[arrayPosition]).attr('href') : imgPreloader.src = jQuery(caller).attr('href');
};
function _getScroll(){
scrollTop = window.pageYOffset || document.documentElement.scrollTop || 0;
scrollLeft = window.pageXOffset || document.documentElement.scrollLeft || 0;
return {scrollTop:scrollTop,scrollLeft:scrollLeft};
};
function _resizeOverlay() {
jQuery('div.prettyPhotoOverlay').css({
'height':jQuery(document).height(),
'width':jQuery(window).width()
});
};
function _writeFlash(){
flashParams = jQuery(caller).attr('rel').split(';');
jQuery(flashParams).each(function(i){
// Define the width and height
if(flashParams[i].indexOf('width') >= 0) flashWidth = flashParams[i].substring(flashParams[i].indexOf('width') + 6, flashParams[i].length);
if(flashParams[i].indexOf('height') >= 0) flashHeight = flashParams[i].substring(flashParams[i].indexOf('height') + 7, flashParams[i].length);
if(flashParams[i].indexOf('flashvars') >= 0) flashVars = flashParams[i].substring(flashParams[i].indexOf('flashvars') + 10, flashParams[i].length);
});
jQuery('.pictureHolder #fullResImageContainer').append('<embed width="'+flashWidth+'" height="'+flashHeight+'" pluginspage="http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash" type="application/x-shockwave-flash" wmode="opaque" name="prettyFlash" flashvars="'+flashVars+'" allowscriptaccess="always" bgcolor="#FFFFFF" quality="high" src="'+jQuery(caller).attr('href')+'"/>');
jQuery('#fullResImage').hide();
contentHeight = parseFloat(flashHeight) + parseFloat(jQuery('div.pictureHolder .details').height()) + parseFloat(jQuery('div.pictureHolder .details').css('margin-top')) + parseFloat(jQuery('div.pictureHolder .details').css('margin-bottom'));
contentWidth = parseFloat(flashWidth)+ parseFloat(jQuery('div.pictureHolder .details').width()) + parseFloat(jQuery('div.pictureHolder .details').css('margin-left')) + parseFloat(jQuery('div.pictureHolder .details').css('margin-right'));
containerHeight = contentHeight + parseFloat(jQuery('div.pictureHolder .top').height()) + parseFloat(jQuery('div.pictureHolder .bottom').height());
containerWidth = parseFloat(flashWidth) + parseFloat(jQuery('div.pictureHolder .content').css("padding-left")) + parseFloat(jQuery('div.pictureHolder .content').css("padding-right")) + settings.padding;
setTimeout('showimage('+flashWidth+','+flashHeight+','+containerWidth+','+containerHeight+','+contentHeight+','+contentWidth+')',500);
};
function _buildOverlay(){
// Build the background overlay div
backgroundDiv = "<div class='prettyPhotoOverlay'></div>";
jQuery('body').append(backgroundDiv);
jQuery('div.prettyPhotoOverlay').css('height',jQuery(document).height()).bind('click',function(){
close();
});
// Basic HTML for the picture holder
pictureHolder = '<div class="pictureHolder"><div class="top"><div class="left"></div><div class="middle"></div><div class="right"></div></div><div class="content"><a href="#" class="expand" title="Expand the image">Expand</a><div class="loaderIcon"></div><div class="hoverContainer"><a class="next" href="#">next</a><a class="previous" href="#">previous</a></div><div id="fullResImageContainer"><img id="fullResImage" src="" /></div><div class="details clearfix"><a class="close" href="#">Close</a><p class="description"></p><p class="currentTextHolder"><span class="currentText"><span>0</span>/<span class="total">0</span></span></p></div></div><div class="bottom"><div class="left"></div><div class="middle"></div><div class="right"></div></div></div>';
// Basic html for the title holder
titleHolder = '<div class="prettyPhotoTitle"><div class="prettyPhotoTitleLeft"></div><div class="prettyPhotoTitleContent"></div><div class="prettyPhotoTitleRight"></div></div>';
jQuery('body').append(pictureHolder).append(titleHolder);
jQuery('.pictureHolder,.titleHolder').css({'opacity': 0});
jQuery('a.close').bind('click',function(){ close(); return false; });
jQuery('a.expand').bind('click',function(){
// Expand the image
if(jQuery(this).hasClass('expand')){
jQuery(this).removeClass('expand').addClass('contract');
doresize = false;
}else{
jQuery(this).removeClass('contract').addClass('expand');
doresize = true;
};
_hideTitle();
jQuery('div.pictureHolder .hoverContainer,div.pictureHolder #fullResImageContainer').fadeOut(settings.animationSpeed);
jQuery('div.pictureHolder .details').fadeOut(settings.animationSpeed,function(){
_preload();
});
return false;
});
jQuery('.pictureHolder .previous').bind('click',function(){
changePicture('previous');
return false;
});
jQuery('.pictureHolder .next').bind('click',function(){
changePicture('next');
return false;
});
jQuery('.hoverContainer').css({
'margin-left': settings.padding/2
});
// If it's not a set, hide the links
if(!isSet) {
jQuery('.hoverContainer,.currentTextHolder').hide();
};
// To fix the bug with IE select boxes
if(jQuery.browser.msie && jQuery.browser.version == 6){
jQuery('select').css('visibility','hidden');
};
// Then fade it in
jQuery('div.prettyPhotoOverlay').css('opacity',0).fadeTo(settings.animationSpeed,settings.opacity, function(){
jQuery('div.pictureHolder').css('opacity',0).fadeIn(settings.animationSpeed,function(){
// To fix an IE bug
jQuery('div.pictureHolder').attr('style','left:'+jQuery('div.pictureHolder').css('left')+';top:'+jQuery('div.pictureHolder').css('top')+';');
});
});
};
};
})(jQuery);