562 lines
20 KiB
JavaScript
562 lines
20 KiB
JavaScript
/* ------------------------------------------------------------------------
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Class: prettyPhoto
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Use: Lightbox clone for jQuery
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Author: Stephane Caron (http://www.no-margin-for-errors.com)
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Version: 2.4.2
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------------------------------------------------------------------------- */
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var $pp_pic_holder;
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var $ppt;
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(function($) {
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$.fn.prettyPhoto = function(settings) {
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// global Variables
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var doresize = true;
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var percentBased = false;
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var imagesArray = [];
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var setPosition = 0; /* Position in the set */
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var pp_contentHeight;
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var pp_contentWidth;
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var pp_containerHeight;
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var pp_containerWidth;
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var pp_type = 'image';
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// Global elements
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var $caller;
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var $scrollPos = _getScroll();
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// Fallback to a supported theme for IE6
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if($.browser.msie && $.browser.version == 6 && (settings.theme == 'light_rounded' || settings.theme == 'dark_rounded' || settings.theme == 'dark_square')){
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settings.theme = "light_square";
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}
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$(window).scroll(function(){ $scrollPos = _getScroll(); _centerPicture(); });
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$(window).resize(function(){ _centerPicture(); _resizeOverlay(); });
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$(document).keypress(function(e){
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switch(e.keyCode){
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case 37:
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if (setPosition == 1) return;
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changePicture('previous');
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break;
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case 39:
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if (setPosition == setCount) return;
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changePicture('next');
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break;
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case 27:
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close();
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break;
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};
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});
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settings = jQuery.extend({
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animationSpeed: 'normal', /* fast/slow/normal */
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padding: 20, /* padding for each side of the picture */
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opacity: 0, /* Value between 0 and 1 */
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showTitle: false, /* true/false */
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allowresize: true, /* true/false */
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counter_separator_label: '/', /* The separator for the gallery counter 1 "of" 2 */
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theme: 'dark_square', /* light_rounded / dark_rounded / light_square / dark_square */
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callback: function(){}
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}, settings);
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$(this).each(function(){
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var hasTitle = false;
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var isSet = false;
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var setCount = 0; /* Total images in the set */
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var arrayPosition = 0; /* Total position in the array */
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imagesArray[imagesArray.length] = this;
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$(this).bind('click',function(){
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open(this);
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return false;
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});
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});
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function open(el) {
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$caller = $(el);
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// Find out if the picture is part of a set
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theRel = $caller.attr('rel');
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galleryRegExp = /\[(?:.*)\]/;
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theGallery = galleryRegExp.exec(theRel);
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// Calculate the number of items in the set, and the position of the clicked picture.
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isSet = false;
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setCount = 0;
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_getFileType();
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for (i = 0; i < imagesArray.length; i++){
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if($(imagesArray[i]).attr('rel').indexOf(theGallery) != -1){
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setCount++;
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if(setCount > 1) isSet = true;
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if($(imagesArray[i]).attr('href') == $caller.attr('href')){
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setPosition = setCount;
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arrayPosition = i;
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};
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};
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};
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_buildOverlay();
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// Display the current position
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$pp_pic_holder.find('p.currentTextHolder').text(setPosition + settings.counter_separator_label + setCount);
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// Position the picture in the center of the viewing area
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_centerPicture();
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$('#pp_full_res').hide();
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$pp_pic_holder.find('.pp_loaderIcon').show();
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};
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showimage = function(width,height,containerWidth,containerHeight,contentHeight,contentWidth,resized){
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$('.pp_loaderIcon').hide();
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if($.browser.opera) {
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windowHeight = window.innerHeight;
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windowWidth = window.innerWidth;
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}else{
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windowHeight = $(window).height();
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windowWidth = $(window).width();
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};
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$pp_pic_holder.find('.pp_content').animate({'height':contentHeight},settings.animationSpeed);
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projectedTop = $scrollPos['scrollTop'] + ((windowHeight/2) - (containerHeight/2));
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if(projectedTop < 0) projectedTop = 0 + $pp_pic_holder.find('.ppt').height();
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// Resize the holder
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$pp_pic_holder.animate({
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'top': projectedTop,
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'left': ((windowWidth/2) - (containerWidth/2)),
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'width': containerWidth
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},settings.animationSpeed,function(){
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$pp_pic_holder.width(containerWidth);
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$pp_pic_holder.find('.pp_hoverContainer,#fullResImage').height(height).width(width);
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// Fade the new image
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$pp_pic_holder.find('#pp_full_res').fadeIn(settings.animationSpeed,function(){
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$(this).find('object,embed').css('visibility','visible');
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});
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// Show the nav elements
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_showContent();
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// Fade the resizing link if the image is resized
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if(resized) $('a.pp_expand,a.pp_contract').fadeIn(settings.animationSpeed);
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});
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};
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function _showContent(){
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// Show the nav
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if(isSet && pp_type=="image") { $pp_pic_holder.find('.pp_hoverContainer').fadeIn(settings.animationSpeed); }else{ $pp_pic_holder.find('.pp_hoverContainer').hide(); }
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$pp_pic_holder.find('.pp_details').fadeIn(settings.animationSpeed);
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// Show the title
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if(settings.showTitle && hasTitle){
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$ppt.css({
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'top' : $pp_pic_holder.offset().top - 22,
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'left' : $pp_pic_holder.offset().left + (settings.padding/2),
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'display' : 'none'
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});
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$ppt.fadeIn(settings.animationSpeed);
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};
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}
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function _hideContent(){
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// Fade out the current picture
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$pp_pic_holder.find('.pp_hoverContainer,.pp_details').fadeOut(settings.animationSpeed);
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$pp_pic_holder.find('#pp_full_res object,#pp_full_res embed').css('visibility','hidden');
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$pp_pic_holder.find('#pp_full_res').fadeOut(settings.animationSpeed,function(){
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$('.pp_loaderIcon').show();
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// Preload the image
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_preload();
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});
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// Hide the title
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$ppt.fadeOut(settings.animationSpeed);
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}
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function changePicture(direction){
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if(direction == 'previous') {
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arrayPosition--;
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setPosition--;
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}else{
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arrayPosition++;
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setPosition++;
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};
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// Allow the resizing of the images
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if(!doresize) doresize = true;
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_hideContent();
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$('a.pp_expand,a.pp_contract').fadeOut(settings.animationSpeed,function(){
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$(this).removeClass('pp_contract').addClass('pp_expand');
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});
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};
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function close(){
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$pp_pic_holder.find('object,embed').css('visibility','hidden');
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$('div.pp_pic_holder,div.ppt').fadeOut(settings.animationSpeed);
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$('div.pp_overlay').fadeOut(settings.animationSpeed, function(){
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$('div.pp_overlay,div.pp_pic_holder,div.ppt').remove();
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// To fix the bug with IE select boxes
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if($.browser.msie && $.browser.version == 6){
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$('select').css('visibility','visible');
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};
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settings.callback();
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});
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doresize = true;
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};
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function _checkPosition(){
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// If at the end, hide the next link
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if(setPosition == setCount) {
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$pp_pic_holder.find('a.pp_next').css('visibility','hidden');
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$pp_pic_holder.find('a.pp_arrow_next').addClass('disabled').unbind('click');
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}else{
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$pp_pic_holder.find('a.pp_next').css('visibility','visible');
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$pp_pic_holder.find('a.pp_arrow_next.disabled').removeClass('disabled').bind('click',function(){
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changePicture('next');
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return false;
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});
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};
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// If at the beginning, hide the previous link
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if(setPosition == 1) {
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$pp_pic_holder.find('a.pp_previous').css('visibility','hidden');
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$pp_pic_holder.find('a.pp_arrow_previous').addClass('disabled').unbind('click');
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}else{
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$pp_pic_holder.find('a.pp_previous').css('visibility','visible');
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$pp_pic_holder.find('a.pp_arrow_previous.disabled').removeClass('disabled').bind('click',function(){
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changePicture('previous');
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return false;
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});
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};
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// Change the current picture text
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$pp_pic_holder.find('p.currentTextHolder').text(setPosition + settings.counter_separator_label + setCount);
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$caller = (isSet) ? $(imagesArray[arrayPosition]) : $caller;
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_getFileType();
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if($caller.attr('title')){
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$pp_pic_holder.find('.pp_description').show().html(unescape($caller.attr('title')));
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}else{
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$pp_pic_holder.find('.pp_description').hide().text('');
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};
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if($caller.find('img').attr('alt') && settings.showTitle){
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hasTitle = true;
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$ppt.html(unescape($caller.find('img').attr('alt')));
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}else{
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hasTitle = false;
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};
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};
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function _fitToViewport(width,height){
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hasBeenResized = false;
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_getDimensions(width,height);
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// Define them in case there's no resize needed
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imageWidth = width;
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imageHeight = height;
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windowHeight = $(window).height();
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windowWidth = $(window).width();
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if( ((pp_containerWidth > windowWidth) || (pp_containerHeight > windowHeight)) && doresize && settings.allowresize && !percentBased) {
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hasBeenResized = true;
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notFitting = true;
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while (notFitting){
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if((pp_containerWidth > windowWidth)){
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imageWidth = (windowWidth - 200);
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imageHeight = (height/width) * imageWidth;
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}else if((pp_containerHeight > windowHeight)){
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imageHeight = (windowHeight - 200);
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imageWidth = (width/height) * imageHeight;
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}else{
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notFitting = false;
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};
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pp_containerHeight = imageHeight;
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pp_containerWidth = imageWidth;
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};
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_getDimensions(imageWidth,imageHeight);
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};
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return {
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width:imageWidth,
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height:imageHeight,
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containerHeight:pp_containerHeight,
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containerWidth:pp_containerWidth,
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contentHeight:pp_contentHeight,
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contentWidth:pp_contentWidth,
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resized:hasBeenResized
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};
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};
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function _getDimensions(width,height){
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$pp_pic_holder.find('.pp_details').width(width).find('.pp_description').width(width - parseFloat($pp_pic_holder.find('a.pp_close').css('width'))); /* To have the correct height */
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// Get the container size, to resize the holder to the right dimensions
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pp_contentHeight = height + $pp_pic_holder.find('.pp_details').height() + parseFloat($pp_pic_holder.find('.pp_details').css('marginTop')) + parseFloat($pp_pic_holder.find('.pp_details').css('marginBottom'));
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pp_contentWidth = width;
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pp_containerHeight = pp_contentHeight + $pp_pic_holder.find('.ppt').height() + $pp_pic_holder.find('.pp_top').height() + $pp_pic_holder.find('.pp_bottom').height();
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pp_containerWidth = width + settings.padding;
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}
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function _getFileType(){
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if ($caller.attr('href').match(/youtube\.com\/watch/i)) {
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pp_type = 'youtube';
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}else if($caller.attr('href').indexOf('.mov') != -1){
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pp_type = 'quicktime';
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}else if($caller.attr('href').indexOf('.swf') != -1){
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pp_type = 'flash';
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}else if($caller.attr('href').indexOf('iframe') != -1){
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pp_type = 'iframe'
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}else{
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pp_type = 'image';
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}
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}
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function _centerPicture(){
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if ($pp_pic_holder){ if($pp_pic_holder.size() == 0){ return; }}else{ return; }; //Make sure the gallery is open
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if($.browser.opera) {
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windowHeight = window.innerHeight;
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windowWidth = window.innerWidth;
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}else{
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windowHeight = $(window).height();
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windowWidth = $(window).width();
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};
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if(doresize) {
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$pHeight = $pp_pic_holder.height();
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$pWidth = $pp_pic_holder.width();
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$tHeight = $ppt.height();
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projectedTop = (windowHeight/2) + $scrollPos['scrollTop'] - ($pHeight/2);
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if(projectedTop < 0) projectedTop = 0 + $tHeight;
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$pp_pic_holder.css({
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'top': projectedTop,
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'left': (windowWidth/2) + $scrollPos['scrollLeft'] - ($pWidth/2)
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});
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$ppt.css({
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'top' : projectedTop - $tHeight,
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'left' : (windowWidth/2) + $scrollPos['scrollLeft'] - ($pWidth/2) + (settings.padding/2)
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});
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};
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};
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function _preload(){
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// Hide the next/previous links if on first or last images.
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_checkPosition();
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if(pp_type == 'image'){
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// Set the new image
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imgPreloader = new Image();
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// Preload the neighbour images
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nextImage = new Image();
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if(isSet && setPosition > setCount) nextImage.src = $(imagesArray[arrayPosition + 1]).attr('href');
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prevImage = new Image();
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if(isSet && imagesArray[arrayPosition - 1]) prevImage.src = $(imagesArray[arrayPosition - 1]).attr('href');
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pp_typeMarkup = '<img id="fullResImage" src="" />';
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$pp_pic_holder.find('#pp_full_res')[0].innerHTML = pp_typeMarkup;
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$pp_pic_holder.find('.pp_content').css('overflow','hidden');
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$pp_pic_holder.find('#fullResImage').attr('src',$caller.attr('href'));
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imgPreloader.onload = function(){
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var correctSizes = _fitToViewport(imgPreloader.width,imgPreloader.height);
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imgPreloader.width = correctSizes['width'];
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imgPreloader.height = correctSizes['height'];
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showimage(imgPreloader.width,imgPreloader.height,correctSizes["containerWidth"],correctSizes["containerHeight"],correctSizes["contentHeight"],correctSizes["contentWidth"],correctSizes["resized"]);
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};
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imgPreloader.src = $caller.attr('href');
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}else{
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// Get the dimensions
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movie_width = ( parseFloat(grab_param('width',$caller.attr('href'))) ) ? grab_param('width',$caller.attr('href')) : 425;
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movie_height = ( parseFloat(grab_param('height',$caller.attr('href'))) ) ? grab_param('height',$caller.attr('href')) : 344;
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// If the size is % based
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if(movie_width.indexOf('%') != -1 || movie_height.indexOf('%') != -1){
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movie_height = ($(window).height() * parseFloat(movie_height) / 100) - 100;
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movie_width = ($(window).width() * parseFloat(movie_width) / 100) - 100;
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parsentBased = true;
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}else{
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movie_height = parseFloat(movie_height);
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movie_width = parseFloat(movie_width);
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}
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if(pp_type == 'quicktime'){ movie_height+=13; }
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// Fit them to viewport
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correctSizes = _fitToViewport(movie_width,movie_height);
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if(pp_type == 'youtube'){
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pp_typeMarkup = '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="'+correctSizes['width']+'" height="'+correctSizes['height']+'"><param name="allowfullscreen" value="true" /><param name="allowscriptaccess" value="always" /><param name="movie" value="http://www.youtube.com/v/'+grab_param('v',$caller.attr('href'))+'" /><embed src="http://www.youtube.com/v/'+grab_param('v',$caller.attr('href'))+'" type="application/x-shockwave-flash" allowfullscreen="true" allowscriptaccess="always" width="'+correctSizes['width']+'" height="'+correctSizes['height']+'"></embed></object>';
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}else if(pp_type == 'quicktime'){
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pp_typeMarkup = '<object classid="clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B" codebase="http://www.apple.com/qtactivex/qtplugin.cab" height="'+correctSizes['height']+'" width="'+correctSizes['width']+'"><param name="src" value="'+$caller.attr('href')+'"><param name="autoplay" value="true"><param name="type" value="video/quicktime"><embed src="'+$caller.attr('href')+'" height="'+correctSizes['height']+'" width="'+correctSizes['width']+'" autoplay="true" type="video/quicktime" pluginspage="http://www.apple.com/quicktime/download/"></embed></object>';
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}else if(pp_type == 'flash'){
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flash_vars = $caller.attr('href');
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flash_vars = flash_vars.substring($caller.attr('href').indexOf('flashvars') + 10,$caller.attr('href').length);
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filename = $caller.attr('href');
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filename = filename.substring(0,filename.indexOf('?'));
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pp_typeMarkup = '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="'+correctSizes['width']+'" height="'+correctSizes['height']+'"><param name="allowfullscreen" value="true" /><param name="allowscriptaccess" value="always" /><param name="movie" value="'+filename+'?'+flash_vars+'" /><embed src="'+filename+'?'+flash_vars+'" type="application/x-shockwave-flash" allowfullscreen="true" allowscriptaccess="always" width="'+correctSizes['width']+'" height="'+correctSizes['height']+'"></embed></object>';
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}else if(pp_type == 'iframe'){
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movie_url = $caller.attr('href');
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movie_url = movie_url.substr(0,movie_url.indexOf('?'));
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pp_typeMarkup = '<iframe src ="'+movie_url+'" width="'+(correctSizes['width']-10)+'" height="'+(correctSizes['height']-10)+'" frameborder="no"></iframe>';
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}
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// Append HTML
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$pp_pic_holder.find('#pp_full_res')[0].innerHTML = pp_typeMarkup;
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// Show content
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showimage(correctSizes['width'],correctSizes['height'],correctSizes["containerWidth"],correctSizes["containerHeight"],correctSizes["contentHeight"],correctSizes["contentWidth"],correctSizes["resized"]);
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}
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};
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function _getScroll(){
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if (self.pageYOffset) {
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scrollTop = self.pageYOffset;
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scrollLeft = self.pageXOffset;
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} else if (document.documentElement && document.documentElement.scrollTop) { // Explorer 6 Strict
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scrollTop = document.documentElement.scrollTop;
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scrollLeft = document.documentElement.scrollLeft;
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} else if (document.body) {// all other Explorers
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scrollTop = document.body.scrollTop;
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scrollLeft = document.body.scrollLeft;
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}
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return {scrollTop:scrollTop,scrollLeft:scrollLeft};
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};
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function _resizeOverlay() {
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$('div.pp_overlay').css({
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'height':$(document).height(),
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'width':$(window).width()
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});
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};
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function _buildOverlay(){
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toInject = "";
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// Build the background overlay div
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toInject += "<div class='pp_overlay'></div>";
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// Define the markup to append, depending on the content type.
|
|
if(pp_type == 'image'){
|
|
pp_typeMarkup = '<img id="fullResImage" src="" />';
|
|
}else{
|
|
pp_typeMarkup = '';
|
|
}
|
|
|
|
// Basic HTML for the picture holder
|
|
toInject += '<div class="pp_pic_holder"><div class="pp_top"><div class="pp_left"></div><div class="pp_middle"></div><div class="pp_right"></div></div><div class="pp_content"><a href="#" class="pp_expand" title="Expand the image">Expand</a><div class="pp_loaderIcon"></div><div class="pp_hoverContainer"><a class="pp_next" href="#">next</a><a class="pp_previous" href="#">previous</a></div><div id="pp_full_res">'+ pp_typeMarkup +'</div><div class="pp_details clearfix"><a class="pp_close" href="#">Close</a><p class="pp_description"></p><div class="pp_nav"><a href="#" class="pp_arrow_previous">Previous</a><p class="currentTextHolder">0'+settings.counter_separator_label+'0</p><a href="#" class="pp_arrow_next">Next</a></div></div></div><div class="pp_bottom"><div class="pp_left"></div><div class="pp_middle"></div><div class="pp_right"></div></div></div>';
|
|
|
|
// Basic html for the title holder
|
|
toInject += '<div class="ppt"></div>';
|
|
|
|
$('body').append(toInject);
|
|
|
|
// Set my global selectors
|
|
$pp_pic_holder = $('.pp_pic_holder');
|
|
$ppt = $('.ppt');
|
|
|
|
$('div.pp_overlay').css('height',$(document).height()).bind('click',function(){
|
|
close();
|
|
});
|
|
|
|
$pp_pic_holder.css({'opacity': 0}).addClass(settings.theme);
|
|
|
|
$('a.pp_close').bind('click',function(){ close(); return false; });
|
|
|
|
$('a.pp_expand').bind('click',function(){
|
|
$this = $(this);
|
|
|
|
// Expand the image
|
|
if($this.hasClass('pp_expand')){
|
|
$this.removeClass('pp_expand').addClass('pp_contract');
|
|
doresize = false;
|
|
}else{
|
|
$this.removeClass('pp_contract').addClass('pp_expand');
|
|
doresize = true;
|
|
};
|
|
|
|
_hideContent();
|
|
|
|
$pp_pic_holder.find('.pp_hoverContainer, #pp_full_res, .pp_details').fadeOut(settings.animationSpeed,function(){
|
|
_preload();
|
|
});
|
|
|
|
return false;
|
|
});
|
|
|
|
$pp_pic_holder.find('.pp_previous, .pp_arrow_previous').bind('click',function(){
|
|
changePicture('previous');
|
|
return false;
|
|
});
|
|
|
|
$pp_pic_holder.find('.pp_next, .pp_arrow_next').bind('click',function(){
|
|
changePicture('next');
|
|
return false;
|
|
});
|
|
|
|
$pp_pic_holder.find('.pp_hoverContainer').css({
|
|
'margin-left': settings.padding/2
|
|
});
|
|
|
|
// If it's not a set, hide the links
|
|
if(!isSet) {
|
|
$pp_pic_holder.find('.pp_hoverContainer,.pp_nav').hide();
|
|
};
|
|
|
|
|
|
// To fix the bug with IE select boxes
|
|
if($.browser.msie && $.browser.version == 6){
|
|
$('body').addClass('ie6');
|
|
$('select').css('visibility','hidden');
|
|
};
|
|
|
|
// Then fade it in
|
|
$('div.pp_overlay').css('opacity',0).fadeTo(settings.animationSpeed,settings.opacity, function(){
|
|
$pp_pic_holder.css('opacity',0).fadeIn(settings.animationSpeed,function(){
|
|
$pp_pic_holder.attr('style','left:'+$pp_pic_holder.css('left')+';top:'+$pp_pic_holder.css('top')+';');
|
|
_preload();
|
|
});
|
|
});
|
|
};
|
|
};
|
|
|
|
function grab_param(name,url){
|
|
name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
|
|
var regexS = "[\\?&]"+name+"=([^&#]*)";
|
|
var regex = new RegExp( regexS );
|
|
var results = regex.exec( url );
|
|
if( results == null )
|
|
return "";
|
|
else
|
|
return results[1];
|
|
}
|
|
})(jQuery); |