');
// Update Boxes - for some crazy reason this has to be before the hide in safari and konqueror
this.resizeBoxes();
this.repositionBoxes();
// Hide
$('#lightbox,#lightbox-overlay,#lightbox-overlay-text-interact').hide();
// -------------------
// Browser specifics
// Handle IE6
if ( this.ie6 && this.ie6_support )
{ // Support IE6
// IE6 does not support fixed positioning so absolute it
// ^ This is okay as we disable scrolling
$('#lightbox-overlay').css({
position: 'absolute',
top: '0px',
left: '0px'
});
}
// -------------------
// Preload Images
// Cycle and preload
$.each(this.files.images, function()
{ // Proload the image
var preloader = new Image();
preloader.onload = function() {
preloader.onload = null;
preloader = null;
}; preloader.src = this;
});
// -------------------
// Apply events
// If the window resizes, act appropriatly
$(window).unbind().resize(function ()
{ // The window has been resized
$.Lightbox.resizeBoxes('resized');
});
// If the window scrolls, act appropriatly
if ( this.scroll === 'follow' )
{ // We want to
$(window).scroll(function ()
{ // The window has scrolled
$.Lightbox.repositionBoxes();
});
}
// Prev
$('#lightbox-nav-btnPrev').unbind().hover(function() { // over
$(this).css({ 'background' : 'url(' + $.Lightbox.files.images.prev + ') left 45% no-repeat' });
},function() { // out
$(this).css({ 'background' : 'transparent url(' + $.Lightbox.files.images.blank + ') no-repeat' });
}).click(function() {
$.Lightbox.showImage($.Lightbox.images.prev());
return false;
});
// Next
$('#lightbox-nav-btnNext').unbind().hover(function() { // over
$(this).css({ 'background' : 'url(' + $.Lightbox.files.images.next + ') right 45% no-repeat' });
},function() { // out
$(this).css({ 'background' : 'transparent url(' + $.Lightbox.files.images.blank + ') no-repeat' });
}).click(function() {
$.Lightbox.showImage($.Lightbox.images.next());
return false;
});
// Help
if ( this.show_linkback )
{ // Linkback exists so add handler
$('#lightbox-overlay-text-about a').click(function(){window.open($.Lightbox.text.about.link); return false;});
}
$('#lightbox-overlay-text-close').unbind().hover(
function(){
$('#lightbox-overlay-text-interact').fadeIn();
},
function(){
$('#lightbox-overlay-text-interact').fadeOut();
}
);
// Image link
$('#lightbox-caption-title').click(function(){window.open($(this).attr('href')); return false;});
// Assign close clicks
$('#lightbox-overlay, #lightbox, #lightbox-loading-link, #lightbox-btnClose').unbind().click(function() {
$.Lightbox.finish();
return false;
});
// -------------------
// Finish Up
// Relify
if ( this.auto_relify )
{ // We want to relify, no the user
this.relify();
}
// All good
return true;
},
relify: function ( )
{ // Create event
//
var groups = {};
var groups_n = 0;
var orig_rel = this.rel;
// Create the groups
$.each($('[@rel*='+orig_rel+']'), function(index, obj){
// Get the group
var rel = $(obj).attr('rel');
// Are we really a group
if ( rel === orig_rel )
{ // We aren't
rel = groups_n; // we are individual
}
// Does the group exist
if ( typeof groups[rel] === 'undefined' )
{ // Make the group
groups[rel] = [];
groups_n++;
}
// Append the image
groups[rel].push(obj);
});
// Lightbox groups
$.each(groups, function(index, group){
$(group).lightbox();
});
// Done
return true;
},
init: function ( image, images )
{ // Init a batch of lightboxes
// Establish images
if ( typeof images === 'undefined' )
{
images = image;
image = 0;
}
// Clear
this.images.clear();
// Add images
if ( !this.images.add(images) )
{ return false; }
// Do we need to bother
if ( this.images.empty() )
{ // No images
$.log('WARNING', 'Lightbox started, but no images: ', image, images);
return false;
}
// Set active
if ( !this.images.active(image) )
{ return false; }
// Done
return true;
},
start: function ( )
{ // Display the lightbox
// We are alive
this.visible = true;
// Adjust scrolling
if ( this.scroll === 'disable' )
{ //
$(document.body).css('overflow', 'hidden');
}
// Fix attention seekers
$('embed, object, select').css('visibility', 'hidden');//.hide(); - don't use this, give it a go, find out why!
// Resize the boxes appropriatly
this.resizeBoxes('general');
// Reposition the Boxes
this.repositionBoxes({'speed':0});
// Hide things
$('#lightbox-infoFooter').hide(); // we hide this here because it makes the display smoother
$('#lightbox-image,#lightbox-nav,#lightbox-nav-btnPrev,#lightbox-nav-btnNext,#lightbox-infoBox').hide();
// Display the boxes
$('#lightbox-overlay').css('opacity',this.opacity).fadeIn(400, function(){
// Show the lightbox
$('#lightbox').fadeIn(300);
// Display first image
if ( !$.Lightbox.showImage($.Lightbox.images.active()) )
{ $.Lightbox.finish(); return false; }
});
// All done
return true;
},
finish: function ( )
{ // Get rid of lightbox
// Hide lightbox
$('#lightbox').hide();
$('#lightbox-overlay').fadeOut(function() { $('#lightbox-overlay').hide(); });
// Fix attention seekers
$('embed, object, select').css({ 'visibility' : 'visible' });//.show();
// Kill active image
this.images.active(false);
// Adjust scrolling
if ( this.scroll === 'disable' )
{ //
$(document.body).css('overflow', 'visible');
}
// We are dead
this.visible = false;
},
resizeBoxes: function ( type )
{ // Resize the boxes
// Used on transition or window resize
// Resize Overlay
if ( type !== 'transition' )
{ // We don't care for transition
var $body = $(this.ie6 ? document.body : document);
$('#lightbox-overlay').css({
width: $body.width(),
height: $body.height()
});
delete $body;
}
// Handle cases
switch ( type )
{
case 'general': // general resize (start of lightbox)
return true;
break;
case 'resized': // window was resized
if ( this.auto_resize === false )
{ // Stop
// Reposition
this.repositionBoxes({'nHeight':nHeight, 'speed':this.speed});
return true;
}
case 'transition': // transition between images
default: // unknown
break;
}
// Get image
var image = this.images.active();
if ( !image || !image.width || !this.visible )
{ // No image or no visible lightbox, so we don't care
$.log('WARNING', 'A resize occured while no image or no lightbox...');
return false;
}
// Resize image box
// i:image, w:window, b:box, c:current, n:new, d:difference
// Get image dimensions
var iWidth = image.width;
var iHeight = image.height;
// Get window dimensions
var wWidth = $(window).width();
var wHeight = $(window).height();
// Check if we are in size
// Lightbox can take up 4/5 of size
if ( this.auto_resize !== false )
{ // We want to auto resize
var maxWidth = Math.floor(wWidth*(4/5));
var maxHeight = Math.floor(wHeight*(4/5));
var resizeRatio;
while ( iWidth > maxWidth || iHeight > maxHeight )
{ // We need to resize
if ( iWidth > maxWidth )
{ // Resize width, then height proportionally
resizeRatio = maxWidth/iWidth;
iWidth = maxWidth;
iHeight = Math.floor(iHeight*resizeRatio);
}
if ( iHeight > maxHeight )
{ // Resize height, then width proportionally
resizeRatio = maxHeight/iHeight;
iHeight = maxHeight;
iWidth = Math.floor(iWidth*resizeRatio);
}
}
}
// Get current width and height
var cWidth = $('#lightbox-imageBox').width();
var cHeight = $('#lightbox-imageBox').height();
// Get the width and height of the selected image plus the padding
// padding*2 for both sides (left+right || top+bottom)
var nWidth = (iWidth + (this.padding * 2));
var nHeight = (iHeight + (this.padding * 2));
// Diferences
var dWidth = cWidth - nWidth;
var dHeight = cHeight - nHeight;
// Set the overlay buttons height and the infobox width
// Other dimensions specified by CSS
$('#lightbox-nav-btnPrev,#lightbox-nav-btnNext').css('height', nHeight);
$('#lightbox-infoBox').css('width', nWidth);
// Handle final action
if ( type === 'transition' )
{ // We are transition
// Do we need to wait? (just a nice effect to counter the other
if ( dWidth === 0 && dHeight === 0 )
{ // We are the same size
this.pause(this.speed/3);
this.showImage(null, 3);
}
else
{ // We are not the same size
// Animate
$('#lightbox-image').width(iWidth).height(iHeight);
$('#lightbox-imageBox').animate({width: nWidth, height: nHeight}, this.speed, function ( ) { $.Lightbox.showImage(null, 3); } );
}
}
else
{ // We are a resize
// Animate Lightbox
$('#lightbox-image').animate({width:iWidth, height:iHeight}, this.speed);
$('#lightbox-imageBox').animate({width: nWidth, height: nHeight}, this.speed);
}
// Reposition
this.repositionBoxes({'nHeight':nHeight, 'speed':this.speed});
// Done
return true;
},
repositioning: false, // are we currently repositioning
reposition_failsafe: false, // failsafe
repositionBoxes: function ( options )
{
// Prepare
if ( this.repositioning )
{ // Already here
this.reposition_failsafe = true;
return null;
}
this.repositioning = true;
// Options
options = $.extend({}, options);
options.callback = options.callback || null;
options.speed = options.speed || 'slow';
// Get page scroll
var pageScroll = this.getPageScroll();
// Figure it out
// alert($(window).height()+"\n"+$(document.body).height()+"\n"+$(document).height());
// var nHeight = options.nHeight || parseInt($('#lightbox').height(),10) || $(document).height()/3;
var nHeight = options.nHeight || parseInt($('#lightbox').height(),10);
// Display lightbox in center
// var nTop = pageScroll.yScroll + ($(document.body).height() /*frame height*/ - nHeight) / 2.5;
var nTop = pageScroll.yScroll + ($(window).height() /*frame height*/ - nHeight) / 2.5;
var nLeft = pageScroll.xScroll;
// Animate
var css = {
left: nLeft,
top: nTop
};
if (options.speed) {
$('#lightbox').animate(css, 'slow', function(){
if ( $.Lightbox.reposition_failsafe )
{ // Fire again
$.Lightbox.repositioning = $.Lightbox.reposition_failsafe = false;
$.Lightbox.repositionBoxes(options);
}
else
{ // Done
$.Lightbox.repositioning = false;
if ( options.callback )
{ // Call the user callback
options.callback();
}
}
});
}
else
{
$('#lightbox').css(css);
if ( this.reposition_failsafe )
{ // Fire again
this.repositioning = this.reposition_failsafe = false;
this.repositionBoxes(options);
}
else
{ // Done
this.repositioning = false;
}
}
// Done
return true;
},
visible: false,
showImage: function ( image, step )
{
// Establish image
image = this.images.get(image);
if ( !image ) { return image; }
// Default step
step = step || 1;
// Split up below for jsLint compliance
var skipped_step_1 = step > 1 && this.images.active().src !== image.src;
var skipped_step_2 = step > 2 && $('#lightbox-image').attr('src') !== image.src;
if ( skipped_step_1 || skipped_step_2 )
{ // Force step 1
$.log('We wanted to skip a few steps: ', image, step, skipped_step_1, skipped_step_2);
step = 1;
}
// What do we need to do
switch ( step )
{
// ---------------------------------
// We need to preload
case 1:
// Disable keyboard nav
this.KeyboardNav_Disable();
// Show the loading image
$('#lightbox-loading').show();
// Hide things
$('#lightbox-image,#lightbox-nav,#lightbox-nav-btnPrev,#lightbox-nav-btnNext,#lightbox-infoBox').hide();
// Remove show info events
$('#lightbox-imageBox').unbind();
// ^ Why? Because otherwise when the image is changing, the info pops out, not good!
// Make the image the active image
if ( !this.images.active(image) ) { return false; }
// Check if we need to preload
if ( image.width && image.height )
{ // We don't
// Continue to next step
this.showImage(null, 2);
}
else
{ // We do
// Create preloader
var preloader = new Image();
// Set callback
preloader.onload = function()
{ // We have preloaded the image
// Update image with our new info
image.width = preloader.width;
image.height = preloader.height;
// Continue to next step
$.Lightbox.showImage(null, 2);
// Kill preloader
preloader.onload = null;
preloader = null;
};
// Start preload
preloader.src = image.src;
}
// Done
break;
// ---------------------------------
// Resize the container
case 2:
// Apply image changes
$('#lightbox-image').attr('src', image.src);
// Set container border (Moved here for Konqueror fix - Credits to Blueyed)
if ( typeof this.padding === 'undefined' || this.padding === null || isNaN(this.padding) )
{ // Autodetect
this.padding = parseInt($('#lightbox-imageContainer').css('padding-left'), 10) || parseInt($('#lightbox-imageContainer').css('padding'), 10) || 0;
}
// Use colorBlend?
if ( this.colorBlend )
{ // We have colorBlend
// Background
$('#lightbox-overlay').animate({'backgroundColor':image.color}, this.speed*2);
// Border
$('#lightbox-imageBox').css('borderColor', image.color);
}
// Resize boxes
this.resizeBoxes('transition');
// ^ contains callback to next step
// Done
break;
// ---------------------------------
// Display the image
case 3:
// Hide loading
$('#lightbox-loading').hide();
// Animate image
$('#lightbox-image').fadeIn(this.speed*1.5, function() {$.Lightbox.showImage(null, 4); });
// Start the proloading of other images
this.preloadNeighbours();
// Fire custom handler show
if ( this.handlers.show !== null )
{ // Fire it
this.handlers.show(image);
}
// Done
break;
// ---------------------------------
// Set image info / Set navigation
case 4:
// ---------------------------------
// Set image info
// Hide and set image info
var $title = $('#lightbox-caption-title').html(image.title || 'Untitled');
if ( this.download_link )
{ $title.attr('href', this.download_link ? image.src : ''); }
delete $title;
$('#lightbox-caption-seperator').html(image.description ? ': ' : '');
$('#lightbox-caption-description').html(image.description || ' ');
// If we have a set, display image position
if ( this.images.size() > 1 )
{ // Display
$('#lightbox-currentNumber').html(this.text.image + ' ' + ( image.index + 1 ) + ' ' + this.text.of + ' ' + this.images.size());
} else
{ // Empty
$('#lightbox-currentNumber').html(' ');
}
// ---------------------------------
// Info events
// Apply event
$('#lightbox-imageBox').unbind('mouseover').mouseover(function(){
$('#lightbox-infoBox').slideDown('fast');
});
// Apply event
$('#lightbox-infoBox').unbind('mouseover').mouseover(function(){
$('#lightbox-infoFooter').slideDown('fast');
});
// Forced show?
if ( this.show_extended_info === true )
{ // Force show
$('#lightbox-imageBox').trigger('mouseover');
$('#lightbox-infoBox').trigger('mouseover');
}
else if ( this.show_info === true )
{ // Force show
$('#lightbox-imageBox').trigger('mouseover');
}
// ---------------------------------
// Set navigation
// Instead to define this configuration in CSS file, we define here. And it's need to IE. Just.
$('#lightbox-nav-btnPrev, #lightbox-nav-btnNext').css({ 'background' : 'transparent url(' + this.files.images.blank + ') no-repeat' });
// If not first, show previous button
if ( !this.images.first(image) ) {
// Not first, show button
$('#lightbox-nav-btnPrev').show();
}
// If not last, show next button
if ( !this.images.last(image) ) {
// Not first, show button
$('#lightbox-nav-btnNext').show();
}
// Make navigation active / show it
$('#lightbox-nav').show();
// Enable keyboard navigation
this.KeyboardNav_Enable();
// Done
break;
// ---------------------------------
// Error handling
default:
$.log('ERROR', 'Don\'t know what to do: ', image, step);
return this.showImage(image, 1);
// break;
}
// All done
return true;
},
preloadNeighbours: function ( )
{ // Preload all neighbour images
// Do we need to do this?
if ( this.images.single() || this.images.empty() )
{ return true; }
// Get active image
var image = this.images.active();
if ( !image ) { return image; }
// Load previous
var prev = this.images.prev(image);
var objNext;
if ( prev ) {
objNext = new Image();
objNext.src = prev.src;
}
// Load next
var next = this.images.next(image);
if ( next ) {
objNext = new Image();
objNext.src = next.src;
}
},
// --------------------------------------------------
// Things we don't really care about
KeyboardNav_Enable: function ( ) {
$(document).keydown(function(objEvent) {
$.Lightbox.KeyboardNav_Action(objEvent);
});
},
KeyboardNav_Disable: function ( ) {
$(document).unbind();
},
KeyboardNav_Action: function ( objEvent ) {
// Prepare
objEvent = objEvent || window.event;
// Get the keycode
var keycode = objEvent.keyCode;
var escapeKey = objEvent.DOM_VK_ESCAPE /* moz */ || 27;
// Get key
var key = String.fromCharCode(keycode).toLowerCase();
// Close?
if ( key === this.keys.close || keycode === escapeKey )
{ return $.Lightbox.finish(); }
// Prev?
if ( key === this.keys.prev || keycode === 37 )
{ // We want previous
return $.Lightbox.showImage($.Lightbox.images.prev());
}
// Next?
if ( key === this.keys.next || keycode === 39 )
{ // We want next
return $.Lightbox.showImage($.Lightbox.images.next());
}
// Unknown
return true;
},
getPageScroll: function ( ) {
var xScroll, yScroll;
if (self.pageYOffset)
{ // Some browser
yScroll = self.pageYOffset;
xScroll = self.pageXOffset;
} else if (document.documentElement && document.documentElement.scrollTop)
{ // Explorer 6 Strict
yScroll = document.documentElement.scrollTop;
xScroll = document.documentElement.scrollLeft;
} else if (document.body)
{ // All other browsers
yScroll = document.body.scrollTop;
xScroll = document.body.scrollLeft;
}
var arrayPageScroll = {'xScroll':xScroll,'yScroll':yScroll};
return arrayPageScroll;
},
pause: function ( ms ) {
var date = new Date();
var curDate = null;
do { curDate = new Date(); }
while ( curDate - date < ms);
}
}); // We have finished extending/defining our LightboxClass
// --------------------------------------------------
// Finish up
// Instantiate
if ( typeof $.Lightbox === 'undefined' )
{ //
$.Lightbox = new $.LightboxClass();
}
// Finished definition
})(jQuery); // We are done with our plugin, so lets call it with jQuery as the argument
