/**
 * tools.overlay 1.1.2 - Overlay HTML with eye candy.
 * 
 * Copyright (c) 2009 Tero Piirainen 
 * http://flowplayer.org/tools/overlay.html
 *
 * Dual licensed under MIT and GPL 2+ licenses
 * http://www.opensource.org/licenses
 *
 * Launch  : March 2008
 * Date: ${date}
 * Revision: ${revision} 
 */
(function($) { 

	// static constructs
	$.tools = $.tools || {};
	
	$.tools.overlay = {
		
		version: '1.1.2',
		
		addEffect: function(name, loadFn, closeFn) {
			effects[name] = [loadFn, closeFn];	
		},
	
		conf: {  
			top: '10%', 
			left: 'center',
			absolute: false,
			
			speed: 'normal',
			closeSpeed: 'fast',
			effect: 'default',
			
			close: null,	
			oneInstance: true,
			closeOnClick: true,
			closeOnEsc: true, 
			api: false,
			expose: null,
			
			// target element to be overlayed. by default taken from [rel]
			target: null 
		}
	};

	
	var effects = {};
		
	// the default effect. nice and easy!
	$.tools.overlay.addEffect('default', 
		
		/* 
			onLoad/onClose functions must be called otherwise none of the 
			user supplied callback methods won't be called
		*/
		function(onLoad) { 
			this.getOverlay().fadeIn(this.getConf().speed, onLoad); 
			
		}, function(onClose) {
			this.getOverlay().fadeOut(this.getConf().closeSpeed, onClose); 			
		}		
	);
	
		
	var instances = [];		

	
	function Overlay(trigger, conf) {		
		
		// private variables
		var self = this, 
			 $self = $(this),
			 w = $(window), 
			 closers,
			 overlay,
			 opened,
			 expose = conf.expose && $.tools.expose.version;
		
		// get overlay and triggerr
		var jq = conf.target || trigger.attr("rel");
		overlay = jq ? $(jq) : null || trigger;	
		
		// overlay not found. cannot continue
		if (!overlay.length) { throw "Could not find Overlay: " + jq; }
		
		// if trigger is given - assign it's click event
		if (trigger && trigger.index(overlay) == -1) {
			trigger.click(function(e) {				
				self.load(e);
				return e.preventDefault();
			});
		}   			
		
		// bind all callbacks from configuration
		$.each(conf, function(name, fn) {
			if ($.isFunction(fn)) { $self.bind(name, fn); }
		});   
		
		
		// API methods  
		$.extend(self, {

			load: function(e) {
				
				// can be opened only once
				if (self.isOpened()) { return self; } 

				
				// find the effect
		 		var eff = effects[conf.effect];
		 		if (!eff) { throw "Overlay: cannot find effect : \"" + conf.effect + "\""; }
				
				// close other instances?
				if (conf.oneInstance) {
					$.each(instances, function() {
						this.close(e);
					});
				}
				
				// onBeforeLoad
				e = e || $.Event();
				e.type = "onBeforeLoad";
				$self.trigger(e);				
				if (e.isDefaultPrevented()) { return self; }				

				// opened
				opened = true;
				
				// possible expose effect
				if (expose) { overlay.expose().load(e); }				
				
				// calculate end position 
				var top = conf.top;					
				var left = conf.left;

				// get overlay dimensions
				var oWidth = overlay.outerWidth({margin:true});
				var oHeight = overlay.outerHeight({margin:true}); 
				
				if (typeof top == 'string')  {
					top = top == 'center' ? Math.max((w.height() - oHeight) / 2, 0) : 
						parseInt(top, 10) / 100 * w.height();			
				}				
				
				if (left == 'center') { left = Math.max((w.width() - oWidth) / 2, 0); }
				
				if (!conf.absolute)  {
					top += w.scrollTop();
					left += w.scrollLeft();
				} 
				
				// position overlay
				overlay.css({top: top, left: left, position: 'absolute'}); 
				
				// onStart
				e.type = "onStart";
				$self.trigger(e); 
				
		 		// load effect  		 		
				eff[0].call(self, function() {					
					if (opened) {
						e.type = "onLoad";
						$self.trigger(e);
					}
				}); 				
		
				// when window is clicked outside overlay, we close
				if (conf.closeOnClick) {					
					$(document).bind("click.overlay", function(e) { 
						if (!self.isOpened()) { return; }
						var et = $(e.target); 
						if (et.parents(overlay).length > 1) { return; }
						$.each(instances, function() {
							this.close(e);
						}); 
					});						
				}						
				
				// keyboard::escape
				if (conf.closeOnEsc) {
					
					// one callback is enough if multiple instances are loaded simultaneously
					$(document).unbind("keydown.overlay").bind("keydown.overlay", function(e) {
						if (e.keyCode == 27) {
							$.each(instances, function() {
								this.close(e);								
							});	 
						}
					});			
				}

				return self; 
			}, 
			
			close: function(e) {

				if (!self.isOpened()) { return self; }
				
				e = e || $.Event();
				e.type = "onBeforeClose";
				$self.trigger(e);				
				if (e.isDefaultPrevented()) { return; }				
				
				opened = false;
				
				// close effect
				effects[conf.effect][1].call(self, function() {
					e.type = "onClose";
					$self.trigger(e); 
				});
				
				// if all instances are closed then we unbind the keyboard / clicking actions
				var allClosed = true;
				$.each(instances, function() {
					if (this.isOpened()) { allClosed = false; }
				});				
				
				if (allClosed) {
					$(document).unbind("click.overlay").unbind("keydown.overlay");		
				}
				
							
				return self;
			}, 
			
			// @deprecated
			getContent: function() {
				return overlay;	
			}, 
			
			getOverlay: function() {
				return overlay;	
			},
			
			getTrigger: function() {
				return trigger;	
			},
			
			getClosers: function() {
				return closers;	
			},			

			isOpened: function()  {
				return opened;
			},
			
			// manipulate start, finish and speeds
			getConf: function() {
				return conf;	
			},

			// bind
			bind: function(name, fn) {
				$self.bind(name, fn);
				return self;	
			},		
			
			// unbind
			unbind: function(name) {
				$self.unbind(name);
				return self;	
			}			
			
		});
		
		// callbacks	
		$.each("onBeforeLoad,onStart,onLoad,onBeforeClose,onClose".split(","), function(i, ev) {
			self[ev] = function(fn) {
				return self.bind(ev, fn);	
			};
		});
		
		
		// exposing effect
		if (expose) {
			
			// expose configuration
			if (typeof conf.expose == 'string') { conf.expose = {color: conf.expose}; }
						
			$.extend(conf.expose, {
				api: true,
				closeOnClick: conf.closeOnClick,
				
				// only overlay control's the esc button
				closeOnEsc: false
			});
			
			// initialize expose api
			var ex = overlay.expose(conf.expose);
			
			ex.onBeforeClose(function(e) {
				self.close(e);		
			});
			
			self.onClose(function(e) {
				ex.close(e);		
			});
		}		
		
		// close button
		closers = overlay.find(conf.close || ".close");		
		
		if (!closers.length && !conf.close) {
			closers = $('<div class="close"></div>');
			overlay.prepend(closers);	
		}		
		
		closers.click(function(e) { 
			self.close(e);  
		});					
	}
	
	// jQuery plugin initialization
	$.fn.overlay = function(conf) {   
		
		// already constructed --> return API
		var el = this.eq(typeof conf == 'number' ? conf : 0).data("overlay");
		if (el) { return el; }	  		 
		
		if ($.isFunction(conf)) {
			conf = {onBeforeLoad: conf};	
		}
		
		var globals = $.extend({}, $.tools.overlay.conf); 
		conf = $.extend(true, globals, conf);
		
		this.each(function() {		
			el = new Overlay($(this), conf);
			instances.push(el);
			$(this).data("overlay", el);	
		});
		
		return conf.api ? el: this;		
	}; 
	
})(jQuery);

/**
 * Overlay Gallery plugin, version: 1.0.0
 * 
 * Copyright (c) 2009 Tero Piirainen
 * http://flowplayer.org/tools/overlay.html#gallery
 *
 * Dual licensed under MIT and GPL 2+ licenses
 * http://www.opensource.org/licenses
 *
 * Since  : July 2009
 * Date: ${date}
 * Revision: ${revision} 
 */
(function($) { 
		
	// TODO: next(), prev(), getIndex(), onChange event
	
	// version number
	var t = $.tools.overlay; 
	t.plugins = t.plugins || {};
	
	t.plugins.gallery = {
		version: '1.0.0', 
		conf: { 
			imgId: 'img',
			next: '.next',
			prev: '.prev',
			info: '.info',
			progress: '.progress',
			disabledClass: 'disabled',
			activeClass: 'active',
			opacity: 0.8,
			speed: 'slow',
			template: '<strong>${title}</strong><br />${download} <span>${index}/${total}</span>',  
			autohide: true,
			preload: true,
			api: false
		}
	};			
	
	$.fn.gallery = function(opts) {
		
		var conf = $.extend({}, t.plugins.gallery.conf), api;
		$.extend(conf, opts);   	

		// common variables for all gallery images
		api = this.overlay();
		
		var links = this,
			  overlay = api.getOverlay(),
			  next = overlay.find(conf.next),
			  prev = overlay.find(conf.prev),
			  info = overlay.find(conf.info),
			  progress = overlay.find(conf.progress),
			  els = prev.add(next).add(info).css({opacity: conf.opacity}),
			  close = api.getClosers(), 			 
			  index;
		
		
//{{{ load 

		function load(el) {
			
			progress.fadeIn();
			els.hide(); close.hide();
			
			var url = el.attr("href"); 
			
			// download the image 
			var image = new Image();
			
			image.onload = function() {
				
				progress.fadeOut();
				
				// find image inside overlay
				var img = $("#" + conf.imgId, overlay); 
				
				// or append it to the overlay 
				if (!img.length) { 
					img = $("<img/>").attr("id", conf.imgId).css("visibility", "hidden");
					overlay.prepend(img);
				}
				
				// make initially invisible to get it's dimensions
				img.attr("src", url).css("visibility", "hidden"); 			
					
				// animate overlay to fit the image dimensions
				var width = image.width;
				var left = ($(window).width() - width) / 2;
					
				// calculate index number
				index = links.index(links.filter("[href=" +url+ "]"));	
				
				// activate trigger
				links.removeClass(conf.activeClass).eq(index).addClass(conf.activeClass);
				
				// enable/disable next/prev links
				var cls = conf.disabledClass;
				els.removeClass(cls);

				if (index === 0) { prev.addClass(cls); }
				if (index == links.length -1) { next.addClass(cls); }
				
				
				// set info text & width
				var text = conf.template
					.replace("${title}", el.attr("title") || el.data("title"))
					.replace("${index}", index + 1)
					.replace("${download}",$('<div style="display:none">').append(el.parents("dl").find("dd a").clone()).remove().html())
					.replace("${total}", links.length);
					
				var padd = parseInt(info.css("paddingLeft"), 10) +  parseInt(info.css("paddingRight"), 10);
				info.html(text).css({width: width - padd});				
				
				overlay.animate({
					width: width, height: image.height, left: left}, conf.speed, function() {
						
					// gradually show the image
					img.hide().css("visibility", "visible").fadeIn(function() {						
						if (!conf.autohide) { 
							els.fadeIn(); close.show(); 
						}														
					});								

				}); 
			};
			
			image.onerror = function() {
				overlay.fadeIn().html("Cannot find image " + url); 
			};
			
			image.src = url;
			
			if (conf.preload) {
				links.filter(":eq(" +(index-1)+ "), :eq(" +(index+1)+ ")").each(function()  {
					var img = new Image();
					img.src = $(this).attr("href");					
				});
			}
			
		}
		
//}}}


		// function to add click handlers to next/prev links	 
		function addClick(el, isNext)  {
			
			el.click(function() {
					
				if (el.hasClass(conf.disabledClass)) { return; }				
				
				// find the triggering link
				var trigger = links.eq(i = index + (isNext ? 1 : -1));			
					 
				// if found load it's href
				if (trigger.length) { load(trigger); }
				
			});				
		}

		// assign next/prev click handlers
		addClick(next, true);
		addClick(prev);

		
		// arrow keys
		$(document).keydown(function(evt) {
				
			if (!overlay.is(":visible") || evt.altKey || evt.ctrlKey) { return; }
			
			if (evt.keyCode == 37 || evt.keyCode == 39) {					
				var btn = evt.keyCode == 37 ? prev : next;
				btn.click();
				return evt.preventDefault();
			}	
			return true;			
		});		
		
		function showEls() {
			if (!overlay.is(":animated")) {
				els.show(); close.show();		
			}	
		}
		
		// autohide functionality
		if (conf.autohide) { 
			overlay.hover(showEls, function() { els.fadeOut();	close.hide(); }).mousemove(showEls);
		}		
		
		// load a proper gallery image when overlay trigger is clicked
		var ret;
		
		this.each(function() {
				
			var el = $(this), api = $(this).overlay(), ret = api;
			
			api.onBeforeLoad(function() {
				load(el);
			});
			
			api.onClose(function() {
				links.removeClass(conf.activeClass);	
			});			
		});  		
		
		return conf.api ? ret : this;
		
	};
	
})(jQuery);	
		
/**
 * tools.expose 1.0.5 - Make HTML elements stand out
 * 
 * Copyright (c) 2009 Tero Piirainen
 * http://flowplayer.org/tools/expose.html
 *
 * Dual licensed under MIT and GPL 2+ licenses
 * http://www.opensource.org/licenses
 *
 * Launch  : June 2008
 * Date: ${date}
 * Revision: ${revision} 
 */
(function($) { 	

	// static constructs
	$.tools = $.tools || {};
	
	$.tools.expose = {
		version: '1.0.5',  
		conf: {	

			// mask settings
			maskId: null,
			loadSpeed: 'slow',
			closeSpeed: 'fast',
			closeOnClick: true,
			closeOnEsc: true,
			
			// css settings
			zIndex: 9998,
			opacity: 0.8,
			color: '#456',
			api: false
		}
	};

	/* one of the greatest headaches in the tool. finally made it */
	function viewport() {
				
		// the horror case
		if ($.browser.msie) {
			
			// if there are no scrollbars then use window.height
			var d = $(document).height(), w = $(window).height();
			
			return [
				window.innerWidth || 							// ie7+
				document.documentElement.clientWidth || 	// ie6  
				document.body.clientWidth, 					// ie6 quirks mode
				d - w < 20 ? w : d
			];
		} 
		
		// other well behaving browsers
		return [$(window).width(), $(document).height()];
		
	} 
	
	function Expose(els, conf) { 
		
		// private variables
		var self = this, $self = $(this), mask = null, loaded = false, origIndex = 0;		
		
		// bind all callbacks from configuration
		$.each(conf, function(name, fn) {
			if ($.isFunction(fn)) { $self.bind(name, fn); }
		});	 

		// adjust mask size when window is resized (or firebug is toggled)
		$(window).resize(function() {
			self.fit();
		}); 
		
		
		// public methods
		$.extend(this, {
		
			getMask: function() {
				return mask;	
			},
			
			getExposed: function() {
				return els;	
			},
			
			getConf: function() {
				return conf;	
			},		
			
			isLoaded: function() {
				return loaded;	
			},
			
			load: function(e) { 
				
				// already loaded ?
				if (loaded) { return self;	}
	
				origIndex = els.eq(0).css("zIndex"); 				
				
				// find existing mask
				if (conf.maskId) { mask = $("#" + conf.maskId);	}
					
				if (!mask || !mask.length) {
					
					var size = viewport();
					
					mask = $('<div/>').css({				
						position:'absolute', 
						top:0, 
						left:0,
						width: size[0],
						height: size[1],
						display:'none',
						opacity: 0,					 		
						zIndex:conf.zIndex	
					});						
					
					// id
					if (conf.maskId) { mask.attr("id", conf.maskId); }					
					
					$("body").append(mask);	
					
					
					// background color 
					var bg = mask.css("backgroundColor");
					
					if (!bg || bg == 'transparent' || bg == 'rgba(0, 0, 0, 0)') {
						mask.css("backgroundColor", conf.color);	
					}   
					
					// esc button
					if (conf.closeOnEsc) {						
						$(document).bind("keydown.unexpose", function(evt) {							
							if (evt.keyCode == 27) {
								self.close();	
							}		
						});			
					}
					
					// mask click closes
					if (conf.closeOnClick) {
						mask.bind("click.unexpose", function(e)  {
							self.close(e);		
						});					
					}					
				}				
				
				// possibility to cancel click action
				e = e || $.Event();
				e.type = "onBeforeLoad";
				$self.trigger(e);			
				
				if (e.isDefaultPrevented()) { return self; }
				
				// make sure element is positioned absolutely or relatively
				$.each(els, function() {
					var el = $(this);
					if (!/relative|absolute|fixed/i.test(el.css("position"))) {
						el.css("position", "relative");		
					}					
				});
			 
				// make elements sit on top of the mask				
				els.css({zIndex:Math.max(conf.zIndex + 1, origIndex == 'auto' ? 0 : origIndex)});				

				
				// reveal mask
				var h = mask.height();
				
				if (!this.isLoaded()) { 
					
					mask.css({opacity: 0, display: 'block'}).fadeTo(conf.loadSpeed, conf.opacity, function() {

						// sometimes IE6 misses the height property on fadeTo method
						if (mask.height() != h) { mask.css("height", h); }
						e.type = "onLoad";						
						$self.trigger(e);	
						 
					});					
				}
					
				loaded = true;
				
				return self;
			}, 
			
			
			close: function(e) {
								
				if (!loaded) { return self; }   

				e = e || $.Event();
				e.type = "onBeforeClose";
				$self.trigger(e);				
				if (e.isDefaultPrevented()) { return self; }
				
				mask.fadeOut(conf.closeSpeed, function() {
					e.type = "onClose";
					$self.trigger(e);
					els.css({zIndex: $.browser.msie ? origIndex : null});
				});        										
				
				loaded = false;
				return self; 
			},
			
			fit: function() {
				if (mask) {
					var size = viewport();				
					mask.css({ width: size[0], height: size[1]});
				}	
			},
			
			bind: function(name, fn) {
				$self.bind(name, fn);
				return self;	
			},			
			
			unbind: function(name) {
				$self.unbind(name);
				return self;	
			}				
			
		});		
		
		// callbacks	
		$.each("onBeforeLoad,onLoad,onBeforeClose,onClose".split(","), function(i, ev) {
			self[ev] = function(fn) {
				return self.bind(ev, fn);	
			};
		});			

	}
	
	
	// jQuery plugin implementation
	$.fn.expose = function(conf) {
		
		var el = this.eq(typeof conf == 'number' ? conf : 0).data("expose");
		if (el) { return el; }
		
		if (typeof conf == 'string') {
			conf = {color: conf};
		}
		
		var globals = $.extend({}, $.tools.expose.conf);
		conf = $.extend(globals, conf);		

		// construct exposes
		this.each(function() {
			el = new Expose($(this), conf);
			$(this).data("expose", el);	 
		});		
		
		return conf.api ? el: this;		
	};		


})(jQuery);
 
