/***********************************************************************
                          branching.js
************************************************************************
Do not change this file unless it should change for all users.

This file defines functions that deal with branching

************************************************************************/


Content.prototype.branches;
Content.prototype.showBranching = function(id){
	var c = this;

	hideElements([$("#"+elements.nextButton),$("."+elements.branchDelimiter),$(".sec2Title"),$(".scrollable").children(),$("#"+elements.reloadBtn),$("#"+elements.paceBtn),$("#"+elements.backButton)]);
	//$(".scrollable").children().detach().prependTo($("."+elements.pageDelimiter));
	
	var current = $("."+elements.contentBody+"[e-id='"+id+"']").parents("."+elements.branchDelimiter);
	//Kolla om branchingsidan innehåller delays
	//c.scanForDelay($(current));
	c.rearrangeBranch(id);
	
	if($(current).find(".map").length > 0){
		c.attacheImageMaps($(current));
		
		//Kolla igenom länkar för att se om de har ett branch-attribut
		var ahrefs = $(current).find("a");
		$(ahrefs).each(function(i,v){
			if($(v).attr("type") == "branch4"){
				var imgmapid = $(v).attr("branch");
				$(v).unbind("click");
				$(v).click(function(e){
					showImagemap(imgmapid);
				});
				$(v).attr("href","javascript:void(0);");
			}
		});
	}

	$(".scrollable").append("<a href='javascript:void(0);' id='branchnext'>Next</a>");
	
	$("#branchnext").click(function(e){
		c.nextBranch();
	});
	
	
};

Content.prototype.rearrangeBranch = function(id){
	var c = this;
	$("."+elements.contentBody+"[e-id='"+id+"']").parents("."+elements.branchDelimiter).attr("shown",1);
	$("."+elements.contentBody+"[e-id='"+id+"']").parents("."+elements.branchDelimiter).detach().prependTo(".scrollable").show();
	var current = $("."+elements.contentBody+"[e-id='"+id+"']").parents("."+elements.branchDelimiter);
	c.scanForDelay($(current));
	c.helper_moveBranchingGraphics();
}

Content.prototype.nextBranch = function(){
	var c = this;
	var current = $(".section-4:visible");
	var sect4total = $(".section-4").not("[shown=1]").filter(":first").find("."+elements.contentBody);
	var remaining = $(".section-4").not("[shown=1]");

	//Kopiera tillbaka grafik från section-3
	c.helper_restoreBranchingGraphics($(current));
	
	//Lyft ut current från scrollable
	$(current).detach().appendTo($("#at_content")).hide();
	
	//nollställ eventuella delays
	
	c.rearrangeBranch($(sect4total).attr("e-id"));
	if($(remaining).length == 0){
		//sista posten, branchingen färdig
		c.finishBranching();
	}
}

Content.prototype.finishBranching = function(){
	$("#branchnext").remove();
	//Lyft tillbaka section-3-content till scrollable
	$("."+elements.pageDelimiter+" ."+elements.titleOnPage).detach().appendTo(".scrollable").show();
	
	//Nollställ totalTime för ev återuppspelning av delays
	totalTime = 0;
	
	//Nollställ attributet shown
	var sect4total = $(".section-4");
	$(sect4total).each(function(i,v){
		$(v).attr("shown",0);
	});
	showElements([$("#"+elements.nextButton),$(".sec2Title"),$("#"+elements.reloadBtn),$("#"+elements.paceBtn),$("#"+elements.backButton)]);
}

Content.prototype.helper_moveBranchingGraphics = function(){
	$(".scrollable ."+elements.videoPlayer+"[type='branch4']").detach().prependTo($("."+elements.pageDelimiter));
	$(".scrollable ."+elements.graphics+"[type='branch4']").detach().prependTo($("."+elements.pageDelimiter));
	$(".scrollable ."+elements.overlay+"[type='branch4']").detach().prependTo($("."+elements.pageDelimiter));
}

Content.prototype.helper_restoreBranchingGraphics = function(target){
	$("."+elements.pageDelimiter+" ."+elements.videoPlayer+"[type='branch4']").detach().appendTo($(target));
	$("."+elements.pageDelimiter+" ."+elements.graphics+"[type='branch4']").detach().appendTo($(target));
	$("."+elements.pageDelimiter+" ."+elements.overlay+"[type='branch4']").detach().appendTo($(target));
}