/*
bxGallery v1.1
Plugin developed by: Steven Wanderski
http://bxgalleryplugin.com
http://stevenwanderski.com

Released under the GPL license:
http://www.gnu.org/licenses/gpl.html
*/

(function($){$.fn.extend({
	bxGallery:function(options){
		var defaults={
			maxwidth:'',
			maxheight:'',
			thumbwidth:200,
			thumbcrop:false,
			croppercent:.35,
			thumbplacement:'bottom',
			thumbcontainer:'',
			opacity:.7,
			load_text:'',
			load_image:'http://i302.photobucket.com/albums/nn92/wandoledzep/spinner.gif',
			wrapperclass:'outer'
		}
		var options=$.extend(defaults,options);
		var o=options;var cont='';
		var caption='';
		var $outer='';
		var $orig=this;
		var tall=0;
		var wide=0;
		var showing=0;
		var i=0;
		var k=$orig.find('img').size();
		var current;preload_img();
		function preload_img(){
			$orig.hide();
			if(o.load_text!=''){
				$orig.before('<div id="loading">'+o.load_text+'</div>');
			}else{
				$orig.before('<div id="loading"><img src="'+o.load_image+'" /></div>');
			}
			$orig.parent().find('#loading').css({'textAlign':'center','width':o.maxwidth});
			$orig.find('img').each(function(){
				var the_source=$(this).attr('src');
				var the_img=new Image();
				the_img.onload=function(){
					preload_check();
				};
				the_img.src=the_source;
			});
		}
		function preload_check(){i++;if(i==k){init();}}
		function init(){
			set_layout();
			set_main_img();
			place_thumbcontainer();
			set_thumbs();
		}
		function set_layout(){
			$orig.parent().find('#loading').hide();
			$orig.show();
			$orig.wrap('<div class="'+o.wrapperclass+'"></div>');
			$outer=$orig.parent();
			$orig.find('li').css({'position':'absolute'});
		}
		function set_main_img(){
			$orig.find('img').each(function(){
				var $this=$(this);
				var $imgheight=$this.height();
				var $imgwidth=$this.width();
				//if($this.attr('title')!=''){
					//caption=$this.attr('title');
					//$this.parent().append('<div class="caption">'+caption+'</div>');
				//}
				if(o.maxwidth!=''){
					if($this.width()>o.maxwidth){
						$this.width(o.maxwidth);
						$this.height(($imgheight/$imgwidth)*o.maxwidth);
					}
				}
				if(o.maxheight!=''){
					if($this.height()>o.maxheight){
						$this.height(o.maxheight);
						$this.width(($imgwidth/$imgheight)*o.maxheight);
					}
				}
				if($this.height()+$this.parent().find('.caption').height()>tall){
					tall=$this.height()+$this.parent().find('.caption').height();
				}
				if($this.width()>wide){
					wide=$this.width();
				}
				cont+='<li><img src="'+$this.attr('src')+'" /></li>';
			});
		$orig.find('li:not(:first)').hide();
		$orig.height(tall);
		$orig.width(wide);
		$outer.find('.caption').width(wide);
	}
	function place_thumbcontainer(){
		if(o.thumbplacement=='top'){
			$outer.prepend('<ul class="thumbs">'+cont+'</ul>');
			$outer.find('.thumbs').css({'overflow':'auto'});
		}else if(o.thumbplacement=='left'){
			$outer.prepend('<ul class="thumbs">'+cont+'</ul>');
			$orig.css({'float':'left'});
			$outer.find('.thumbs').css({'float':'left'});
		}else if(o.thumbplacement=='bottom'){
			$outer.append('<ul class="thumbs">'+cont+'</ul>');
		}else if(o.thumbplacement=='right'){
			$outer.append('<ul class="thumbs">'+cont+'</ul>');
			$orig.css({'float':'left'});
			$outer.find('.thumbs').css({'float':'left'});
		}
		$outer.append('<div style="clear:both"></div>');
		if(o.thumbcontainer!=''){
			$outer.find('.thumbs').width(o.thumbcontainer);
		}
	}
	function set_thumbs(){
		$outer.find('.thumbs li').each(function(){
			var $this=$(this);
			var $img=$this.find('img');
			var $imgwidth=$img.width();
			var $imgheight=$img.height();
			if(o.thumbcrop){
				$img.width($imgwidth*o.croppercent);
				$img.height(($imgheight/$imgwidth)*$img.width());
				$this.css({'float':'left','width':o.thumbwidth,'height':o.thumbwidth,'overflow':'hidden','cursor':'pointer'});
			}else{
				$img.width(o.thumbwidth);
				$img.height(($imgheight/$imgwidth)*o.thumbwidth);
				$this.css({'float':'left','cursor':'pointer'});
				$this.height($img.height());
			}
			$this.click(function(){
				var x=$outer.find('.thumbs li').index($this);
				if(showing!=x){
					$orig.find('li').fadeOut();
					$orig.find('li').eq(x).fadeIn();
					showing=x;
				}
			});
		});
		var $thumb=$outer.find('.thumbs li');
		$thumb.eq(0).addClass('on');
		$thumb.not('.on').fadeTo(0,o.opacity);
		$thumb.click(function(){
			var t=$(this);
			var i=$thumb.index(this);
			if(current!=i){
				$thumb.removeClass('on');
				t.addClass('on');
				$thumb.not('.on').fadeTo(200,o.opacity);
				current=i;
			}
		});
		$thumb.hover(function(){
			$(this).stop().fadeTo(200,1);
		},
		function(){
			$(this).not('.on').stop().fadeTo(200,o.opacity);
		});
	}
}});})(jQuery);