<script type="text/javascript">
/*
* jQuery 1.2.3 - New Wave Javascript
*
* Copyright (c) 2008 John Resig (jquery.com)
* Dual licensed under the MIT (MIT-LICENSE.txt)
* and GPL (GPL-LICENSE.txt) licenses.
*
* $Date: 2008-02-06 00:21:25 -0500 (Wed, 06 Feb 2008) $
* $Rev: 4663 $
*/
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<script type="text/javascript">
;(function($){
var $$;
/**
*
* @desc Convert images from a simple html <ul> into a thumbnail gallery
* @author David Hellsing
* @version 1.0
*
* @name Galleria
* @type jQuery
*
* @cat plugins/Media
*
* @example $('ul.gallery').galleria({options});
* @desc Create a a gallery from an unordered list of images with thumbnails
* @options
* insert: (selector string) by default, Galleria will create a container div
before your ul that holds the image.
* You can, however, specify a selector where the image will be placed
instead (f.ex '#main_img')
* history: Boolean for setting the history object in action with enabled back
button, bookmarking etc.
* onImage: (function) a function that gets fired when the image is displayed and
brings the jQuery image object.
* You can use it to add click functionality and effects.
* f.ex onImage(image) { image.css('display','none').fadeIn(); } will
fadeIn each image that is displayed
* onThumb: (function) a function that gets fired when the thumbnail is displayed
and brings the jQuery thumb object.
* Works the same as onImage except it targets the thumbnail after it's
loaded.
*
**/
$$ = $.fn.galleria = function($options) {
// check for basic CSS support
if (!$$.hasCSS()) { return false; }
// init the modified history object
$.historyInit($$.onPageLoad);
// set default options
var $defaults = {
insert : '.galleria_container',
history : true,
clickNext : true,
onImage : function(image,caption,thumb) {},
onThumb : function(thumb) {}
};
// extend the options
var $opts = $.extend($defaults, $options);
// bring the options to the galleria object
for (var i in $opts) {
$.galleria[i] = $opts[i];
}
// if no insert selector, create a new division and insert it before the ul
var _insert = ( $($opts.insert).is($opts.insert) ) ?
$($opts.insert) :
jQuery(document.createElement('div')).insertBefore(this);
// create a wrapping div for the image
var _div = $(document.createElement('div')).addClass('galleria_wrapper');
// create a caption span
var _span = $(document.createElement('span')).addClass('caption');
// inject the wrapper in in the insert selector
_insert.addClass('galleria_container').append(_div).append(_span);
//-------------
return this.each(function(){
// add the Galleria class
$(this).addClass('galleria');
// loop through list
$(this).children('li').each(function(i) {
// bring the scope
var _container = $(this);
// build element specific options
var _o = $.meta ? $.extend({}, $opts, _container.data()) :
$opts;
// remove the clickNext if image is only child
_o.clickNext = $(this).is(':only-child') ? false :
_o.clickNext;
// try to fetch an anchor
var _a = $(this).find('a').is('a') ? $(this).find('a') :
false;
// reference the original image as a variable and hide it
var _img = $(this).children('img').css('display','none');
// extract the original source
var _src = _a ? _a.attr('href') : _img.attr('src');
// find a title
var _title = _a ? _a.attr('title') : _img.attr('title');
// create loader image
var _loader = new Image();
// check url and activate container if match
if (_o.history && (window.location.hash &&
window.location.hash.replace(/\#/,'') == _src)) {
_container.siblings('.active').removeClass('active');
_container.addClass('active');
}
// begin loader
$(_loader).load(function () {
// try to bring the alt
$(this).attr('alt',_img.attr('alt'));
//-----------------------------------------------------------------
// the image is loaded, let's create the thumbnail
var _thumb = _a ?
_a.find('img').addClass('thumb
noscale').css('display','none') :
_img.clone(true).addClass('thumb').css('display','none');
if (_a) { _a.replaceWith(_thumb); }
if (!_thumb.hasClass('noscale')) { // scaled
tumbnails!
var w = Math.ceil( _img.width() /
_img.height() * _container.height() );
var h = Math.ceil( _img.height() /
_img.width() * _container.width() );
if (w < h) {
_thumb.css({ height: 'auto', width:
_container.width(), marginTop: -(h-_container.height())/2 });
} else {
_thumb.css({ width: 'auto', height:
_container.height(), marginLeft: -(w-_container.width())/2 });
}
} else { // Center thumbnails.
// a tiny timer fixed the width/height
window.setTimeout(function() {
_thumb.css({
marginLeft: -( _thumb.width()
- _container.width() )/2,
marginTop: -(
_thumb.height() - _container.height() )/2
});
}, 1);
}
// add the rel attribute
_thumb.attr('rel',_src);
// add the title attribute
_thumb.attr('title',_title);
// add the click functionality to the _thumb
_thumb.click(function() {
$.galleria.activate(_src);
});
// hover classes for IE6
_thumb.hover(
function() { $(this).addClass('hover'); },
function() { $(this).removeClass('hover'); }
);
_container.hover(
function() { _container.addClass('hover'); },
function() { _container.removeClass('hover');
}
);
// prepend the thumbnail in the container
_container.prepend(_thumb);
// show the thumbnail
_thumb.css('display','block');
// call the onThumb function
_o.onThumb(jQuery(_thumb));
// check active class and activate image if match
if (_container.hasClass('active')) {
$.galleria.activate(_src);
//_span.text(_title);
}
//-----------------------------------------------------------------
// finally delete the original image
_img.remove();
}).error(function () {
// Error handling
_container.html('<span class="error"
style="color:red">Error loading image: '+_src+'</span>');
}).attr('src', _src);
});
});
};
/**
*
* @name NextSelector
*
* @desc Returns the sibling sibling, or the first one
*
**/
$$.nextSelector = function(selector) {
return $(selector).is(':last-child') ?
$(selector).siblings(':first-child') :
$(selector).next();
};
/**
*
* @name previousSelector
*
* @desc Returns the previous sibling, or the last one
*
**/
$$.previousSelector = function(selector) {
return $(selector).is(':first-child') ?
$(selector).siblings(':last-child') :
$(selector).prev();
};
/**
*
* @name hasCSS
*
* @desc Checks for CSS support and returns a boolean value
*
**/
$$.hasCSS = function() {
$('body').append(
$(document.createElement('div')).attr('id','css_test')
.css({ width:'1px', height:'1px', display:'none' })
);
var _v = ($('#css_test').width() != 1) ? false : true;
$('#css_test').remove();
return _v;
};
/**
*
* @name onPageLoad
*
* @desc The function that displays the image and alters the active classes
*
* Note: This function gets called when:
* 1. after calling $.historyInit();
* 2. after calling $.historyLoad();
* 3. after pushing "Go Back" button of a browser
*
**/
$$.onPageLoad = function(_src) {
// get the wrapper
var _wrapper = $('.galleria_wrapper');
// get the thumb
var _thumb = $('.galleria img[@rel="'+_src+'"]');
if (_src) {
// new hash location
if ($.galleria.history) {
window.location = window.location.href.replace(/\#.*/,'') +
'#' + _src;
}
// alter the active classes
_thumb.parents('li').siblings('.active').removeClass('active');
_thumb.parents('li').addClass('active');
// define a new image
var _img = $(new Image()).attr('src',_src).addClass('replaced');
// empty the wrapper and insert the new image
_wrapper.empty().append(_img);
// insert the caption
_wrapper.siblings('.caption').text(_thumb.attr('title'));
// fire the onImage function to customize the loaded image's features
$.galleria.onImage(_img,_wrapper.siblings('.caption'),_thumb);
// add clickable image helper
if($.galleria.clickNext) {
_img.css('cursor','pointer').click(function() {
$.galleria.next(); })
}
} else {
// clean up the container if none are active
_wrapper.siblings().andSelf().empty();
// remove active classes
$('.galleria li.active').removeClass('active');
}
// place the source in the galleria.current variable
$.galleria.current = _src;
}
/**
*
* @name jQuery.galleria
*
* @desc The global galleria object holds four constant variables and four public
methods:
* $.galleria.history = a boolean for setting the history object in action with
named URLs
* $.galleria.current = is the current source that's being viewed.
* $.galleria.clickNext = boolean helper for adding a clickable image that
leads to the next one in line
* $.galleria.next() = displays the next image in line, returns to first image
after the last.
* $.galleria.prev() = displays the previous image in line, returns to last
image after the first.
* $.galleria.activate(_src) = displays an image from _src in the galleria
container.
* $.galleria.onImage(image,caption) = gets fired when the image is displayed.
*
**/
$.extend({galleria : {
current : '',
onImage : function(){},
activate : function(_src) {
if ($.galleria.history) {
$.historyLoad(_src);
} else {
$$.onPageLoad(_src);
}
},
next : function() {
var _next = $($$.nextSelector($('.galleria
img[@rel="'+$.galleria.current+'"]').parents('li'))).find('img').attr('rel'
);
$.galleria.activate(_next);
},
prev : function() {
var _prev = $($$.previousSelector($('.galleria
img[@rel="'+$.galleria.current+'"]').parents('li'))).find('img').attr('rel'
);
$.galleria.activate(_prev);
}
}
});
})(jQuery);
/**
*
* Packed history extension for jQuery
* Credits to http://www.mikage.to/
*
**/
jQuery.extend({historyCurrentHash:undefined,historyCallback:undefined,historyInit:fun
ction(callback){jQuery.historyCallback=callback;var
current_hash=location.hash;jQuery.historyCurrentHash=current_hash;if(jQuery.browser.m
sie){if(jQuery.historyCurrentHash==''){jQuery.historyCurrentHash='#'}$("body&quo
t;).prepend('<iframe id="jQuery_history" style="display:
none;"></iframe>');var ihistory=$("#jQuery_history")[0];var
iframe=ihistory.contentWindow.document;iframe.open();iframe.close();iframe.location.h
ash=current_hash}else
if($.browser.safari){jQuery.historyBackStack=[];jQuery.historyBackStack.length=histor
y.length;jQuery.historyForwardStack=[];jQuery.isFirst=true}jQuery.historyCallback(cur
rent_hash.replace(/^#/,''));setInterval(jQuery.historyCheck,100)},historyAddHistory:f
unction(hash){jQuery.historyBackStack.push(hash);jQuery.historyForwardStack.length=0;
this.isFirst=true},historyCheck:function(){if(jQuery.browser.msie){var
ihistory=$("#jQuery_history")[0];var
iframe=ihistory.contentDocument||ihistory.contentWindow.document;var
current_hash=iframe.location.hash;if(current_hash!=jQuery.historyCurrentHash){locatio
n.hash=current_hash;jQuery.historyCurrentHash=current_hash;jQuery.historyCallback(cur
rent_hash.replace(/^#/,''))}}else if($.browser.safari){if(!jQuery.dontCheck){var
historyDelta=history.length-jQuery.historyBackStack.length;if(historyDelta){jQuery.is
First=false;if(historyDelta<0){for(var
i=0;i<Math.abs(historyDelta);i++)jQuery.historyForwardStack.unshift(jQuery.history
BackStack.pop())}else{for(var
i=0;i<historyDelta;i++)jQuery.historyBackStack.push(jQuery.historyForwardStack.shi
ft())}var
cachedHash=jQuery.historyBackStack[jQuery.historyBackStack.length-1];if(cachedHash!=u
ndefined){jQuery.historyCurrentHash=location.hash;jQuery.historyCallback(cachedHash)}
}else
if(jQuery.historyBackStack[jQuery.historyBackStack.length-1]==undefined&&!jQu
ery.isFirst){if(document.URL.indexOf('#')>=0){jQuery.historyCallback(document.URL.
split('#')[1])}else{var
current_hash=location.hash;jQuery.historyCallback('')}jQuery.isFirst=true}}}else{var
current_hash=location.hash;if(current_hash!=jQuery.historyCurrentHash){jQuery.history
CurrentHash=current_hash;jQuery.historyCallback(current_hash.replace(/^#/,''))}}},his
toryLoad:function(hash){var
newhash;if(jQuery.browser.safari){newhash=hash}else{newhash='#'+hash;location.hash=ne
whash}jQuery.historyCurrentHash=newhash;if(jQuery.browser.msie){var
ihistory=$("#jQuery_history")[0];var
iframe=ihistory.contentWindow.document;iframe.open();iframe.close();iframe.location.h
ash=newhash;jQuery.historyCallback(hash)}else
if(jQuery.browser.safari){jQuery.dontCheck=true;this.historyAddHistory(hash);var
fn=function(){jQuery.dontCheck=false};window.setTimeout(fn,200);jQuery.historyCallbac
k(hash);location.hash=newhash}else{jQuery.historyCallback(hash)}}});
</script>
<script type="text/javascript">
$(document).ready(function(){
$('.gallery_demo_unstyled').addClass('gallery_demo'); // adds new
class name to maintain degradability
$('ul.gallery_demo').galleria({
history : true, // activates the history object for
bookmarking, back-button etc.
clickNext : true, // helper for making the image clickable
insert : '#main_image', // the containing selector for our
main image
onImage : function(image,caption,thumb) { // let's add some
image effects for demonstration purposes
// fade in the image & caption
image.css('display','none').fadeIn(1000);
caption.css('display','none').fadeIn(1000);
// fetch the thumbnail container
var _li = thumb.parents('li');
// fade out inactive thumbnail
_li.siblings().children('img.selected').fadeTo(500,0.3);
// fade in active thumbnail
thumb.fadeTo('fast',1).addClass('selected');
// add a title for the clickable image
image.attr('title','Next image >>');
},
onThumb : function(thumb) { // thumbnail effects goes here
// fetch the thumbnail container
var _li = thumb.parents('li');
// if thumbnail is active, fade all the way.
var _fadeTo = _li.is('.active') ? '1' : '0.3';
// fade in the thumbnail when finnished loading
thumb.css({display:'none',opacity:_fadeTo}).fadeIn(1500);
// hover effects
thumb.hover(
function() { thumb.fadeTo('fast',1); },
function() {
_li.not('.active').children('img').fadeTo('fast',0.3); } // don't fade out if the
parent is active
)
}
});
});
</script>
