/*  jCrumb jquery plugin 
	version 2.0, Jan 12 2012
	WDVines
	Birch Ridge Inn
	- added to set target attribute to link to parent to correct bug when use on page with JQuery Mobile and Google Maps

	version 1.0, Sep 24 2010
	Licensed under the BSD New License
	Developed by Jason Brown for any bugs or questions you can email me at loktar69@hotmail 
	info on the plugin is located on Somethinghitme.com and http://code.google.com/p/jcrumb/
	
	List of options 
	
	maxCrumbs : 4, 				// Number : Sets how many crumbs are displayed on the page
	maxMemory : 15, 			// Number : How many breadcrumbs will be stored for the user to follow
	defaultClass : 'jCrumb', 	// String: Controls how the breadcrumbs look
	jqUI : false,				// Bool : Attached jqui styles
	seperator : ">" 			// False or HTML : Sets a seperator inbetween  the breadbcrumbs
	
	Default Usage :
	$('#element').jCrumb();
	
	-or-
	
	$('#element').jCrumb(options);
*/

(function($){
	$.fn.jCrumb = function(options) {
		var settings = {
				maxCrumbs : 4,
				maxMemory : 15,
				defaultClass : 'jCrumb',
				jqUI : false,
				seperator : ">"
			},
			getCrumbs = function(){
				var cookieName = "breadcrumbs=",
					cookies = document.cookie.split(';');

				for(var i=0;i < cookies.length;i++) {
					var cookie = cookies[i].replace(/^\s+/,"");
				
					if (cookie.indexOf(cookieName) == 0){
						return cookie.substring(cookieName.length,cookie.length);
					}
				}
				return;
			},
			setCrumb = function(crumb){
				var crumbs = getCrumbs();

				if(crumbs){
					var maxMemory = settings.maxMemory;
					crumbCheck = crumbs.split('*');

					if(crumbCheck[crumbCheck.length-1] != crumb){
						crumbCheck.push(crumb);	
					}						
					
					if(crumbCheck.length > maxMemory){
						crumbCheck.splice(0,1);
					}
					
					crumbs = crumbCheck.join('*');				
				}else{
					crumbs = crumb;
				}
				
				document.cookie = 'breadcrumbs=' + crumbs +'; path=/';
			},
			removeCrumb = function(crumb, index){
				var crumbs = getCrumbs();
				if(crumbs){
					crumbCheck = crumbs.split('*');
					crumbCheck.splice(index,(crumbCheck.length - index));
					crumbs = crumbCheck.join('*');	
					document.cookie = 'breadcrumbs=' + crumbs +'; path=/';
				}
				
				return;
			};
		return this.each(function() {
			
			if (options) { 
				settings = $.extend(settings, options);
			}
	  
	  // added by wdvines to get doc name instead of title //
	  		pathArray = window.location.pathname.split( '/' );
	  		pathCrumbFile = pathArray[pathArray.length-1].split('.');
			pathCrumb = pathCrumbFile[0];
			if (pathCrumbFile[0] == ""){pathCrumb = '"Home"';}
	  		setCrumb(pathCrumb + '^' +  window.location.href);	  
		//	setCrumb(document.title + '^' +  window.location.href);
		//end of WDVines changes
			
			var crumbs = getCrumbs(),
				crumbVal = "",
				crumbList = $(document.createElement('ul')).addClass(settings.defaultClass).appendTo($(this)),
				crumbListItem = "";
						
			if(settings.jqUI){
				crumbList.addClass('fg-buttonset fg-buttonset-single ui-helper-clearfix');
			}
			
			if(crumbs){
				crumbs = crumbs.split('*');
				startIndex = 0;
				
				if(crumbs.length > settings.maxCrumbs){
					startIndex = crumbs.length - settings.maxCrumbs;
				}
				
				for(var i = startIndex; i < crumbs.length-1;i++){					
					crumbVal = crumbs[i].split('^');
					crumbListItem = $(document.createElement('li'));
					
					var crumbLink = $(document.createElement('a'));
						crumbLink.attr({'href' : crumbVal[1]}).text(crumbVal[0]).appendTo(crumbListItem.appendTo(crumbList));
						// line added to correct problem working with JQuery Mobile and Google Maps
						crumbLink.attr({'target' : "_parent"});
						// end of bug fix
						crumbLink.click(function(){removeCrumb($(this).text() + '^'+ $(this).attr('href'), $(this).data("index"));});
						crumbLink.data("index", i);
					
					if(settings.jqUI){
						crumbListItem.addClass('fg-button ui-state-default ui-priority-primary');
						if(i === 0){
							crumbListItem.addClass('ui-corner-left');
							crumbLink.addClass('ui-icon ui-icon-home');
						}
						if(startIndex !== 0 && i === startIndex){
							crumbListItem.addClass('ui-corner-left');
							crumbLink.addClass('ui-icon ui-icon-carat-1-w');
						}
					}else if(settings.seperator){
						$(document.createElement('span')).html(settings.seperator).appendTo(crumbListItem);
					}
				}
				
				crumbListItem = $(document.createElement('li'));
				crumbVal = crumbs[crumbs.length-1].split('^');
				$(document.createElement('span')).text(crumbVal[0]).appendTo($(crumbListItem).appendTo($(crumbList)));
				
				if(settings.jqUI){
					crumbListItem.addClass('fg-button ui-state-default ui-priority-primary ui-corner-right ui-state-active');
				}
				
				$(".fg-button:not(.ui-state-disabled)").hover(
					function(){ 
						$(this).addClass("ui-state-hover"); 
					},
					function(){ 
						$(this).removeClass("ui-state-hover"); 
					}
				)
			}
		});
	};
})(jQuery);