Tactica.Forms = new Object();

Tactica.Forms.ConvertTitleToUrl = function(source, targetID)
{
	var target = document.getElementById(targetID);
	
	if (target)
	{
		var title = source.value != null ? source.value : "";
		
		if (target.value == null || target.value == "")
		{
			title = title.replace(/[^A-Z0-9]/gi, "_");
			title = title.replace(/^_+|_+$/gi, "");
			title = title.replace(/_+/gi, "_");
			
			target.value = title.toLowerCase();
		}
	}
}

// formats a phone number
Tactica.Forms.FormatPhone = function(field)
{
	if (field != null && field.value != null)
	{
		var phone = field.value.replace(/[^0-9]/gi, "");
		
		switch (phone.length)
		{
			case 0:
				field.value = "";
				break;
				
			case 7:
				field.value = phone.substr(0,3) + "-" + phone.substr(3);
				break;
				
			default:
				field.value = "(" + phone.substr(0,3) + ") " + phone.substr(3,3) + "-" + phone.substr(6);
				break;
		}
	}
}

// formats a postal code
Tactica.Forms.FormatPostalCode = function(field)
{
	if (field != null && field.value != null)
	{
		var code = field.value.toUpperCase();
		var codeExpr = /^([A-Z][0-9][A-Z])\s?([0-9][A-Z][0-9])$/gi;
		var data;

		if ((data = codeExpr.exec(code)) != null)
		{
			code = data[1] + " " + data[2];
		}

		field.value = code;
	}
}

Tactica.Forms.LookupBox = function(textID, valueID, callbackUrl)
{
	this.callbackUrl = callbackUrl;
	this.text = $(textID);
	this.value = $(valueID);
	
	if (this.text.length > 0)
	{
		this.selectedIndex = 0;
		this.selector = $(this.text.get(0).offsetParent.appendChild(document.createElement("UL")));
		this.selector.fadeTo(0, 0);
		this.timer = null;
		this.init();
	}
}

Tactica.Forms.LookupBox.prototype.hide = function()
{
	var me = this;
	
	if (this.timer == null)
	{
		this.timer = window.setTimeout(function(){me.selector.fadeTo(500,0);me.timer=null}, 1000);
	}
}

Tactica.Forms.LookupBox.prototype.init = function()
{
	var me = this;
	
	with (this.text)
	{
		attr("autoComplete", "off");
		css("position", "relative");
		blur(function(e){me.hide()});
		keydown(function(e){if(e.keyCode==13)e.preventDefault()});
		keyup(function(e)
			{
				switch (e.keyCode)
				{
					case 9:		break;
					case 13:	me.selectIndex(e, me.selectedIndex, true); break;
					case 38:	me.selectIndex(e, me.selectedIndex--, false); break;
					case 40:	me.selectIndex(e, me.selectedIndex++, false); break;
					default:	me.lookup(); break; 
				}
				
				return true;
			});
	}

	this.selector.addClass("selector").css({position:"absolute",visiblity:"hidden",zIndex:"10"}).width(this.text.width());
}

Tactica.Forms.LookupBox.prototype.lookup = function()
{
	var me = this;
	var tu = this.callbackUrl.replace(/:text/gi, this.text.val());
	
	if (me.request && me.request.abort)
	{
		me.request.abort();
		me.request = null;
	}
	
	me.request = $.getJSON(tu, function(data){me.lookupProcess(data)});
}

Tactica.Forms.LookupBox.prototype.lookupProcess = function(data)
{
	var me = this;
	
	me.selector.empty();

	$.each(data, function(i,item)
	{
		var link = $("<li/>").html(item.text).click(function(e){me.selectIndex(e,this.index,true)}).appendTo(me.selector).get();
		
		for (var i = 0; i < link.length; i++)
		{
			link[i].index = i;
			link[i].valueText = item.value;
		}
	});
	
	me.show();
	me.request = null;
}

Tactica.Forms.LookupBox.prototype.selectIndex = function(e, i, submit)
{
	var me = this;
	var li = me.selector.children("li:eq(" + i + ")");

	me.selectedIndex = i;
	me.selector.children().removeClass("active");	

	li.addClass("active");
	
	if (submit)
	{
		me.text.val(li.html());
		me.value.val(li.get(0).valueText);
		me.fadeTo(500, 0);
	}
}

Tactica.Forms.LookupBox.prototype.position = function()
{
	var p = this.text.get(0);
	var x = p.offsetLeft + "px";
	var y = (p.offsetTop + p.offsetHeight - 1) + "px";
	var w = (p.offsetWidth - 2) + "px";

	this.selector.css({left:x, top:y, width:w, visibility:"visible"});
}

Tactica.Forms.LookupBox.prototype.show = function()
{
	if (this.timer != null)
	{
		window.clearTimeout(this.timer);
	}

	this.position();
	this.selector.fadeTo(500, 1);
	this.timer = null;
}