/*
Copyright Scand LLC http://www.scbr.com
To use this component please contact info@scbr.com to obtain license
*/

/*
HTML Link eXcell v.1.0  for dhtmlxGrid 
(c)Scand LLC 2005


The corresponding  cell value in XML should be a "^" delimited list of following values:
1st - Link Text 
2nd - URL (optional)
3rd - target (optional, default is _blank)

Samples:
<cell>Stephen King</cell>
<cell>Stephen King^http://www.stephenking.com/</cell>
<cell>Stephen King^http://www.stephenking.com/^_self</cell>
*/

/**
*	@desc: link editor
*	@returns: dhtmlxGrid cell editor object
*	@type: public
*/

function eXcell_edlink(cell){
	this.cell = cell;
    this.grid = this.cell.parentNode.grid;
	this.edit = function(){}
	this.getValue = function(){
		if(this.cell.firstChild.getAttribute)
			return this.cell.firstChild.innerHTML+"^"+this.cell.firstChild.getAttribute("href")
		else
			return "";
	}
	this.setValue = function(val){
		if((typeof(val)!="number") && (!val || val.toString()._dhx_trim()=="")){		
			this.setCValue("&nbsp;",valsAr);			
			return (this.cell._clearCell=true);
		}
		var valsAr = val.split("^");
		if(valsAr.length==1)
			valsAr[1] = "";
		else{
			if(valsAr.length>1){
				valsAr[1] = "href='"+valsAr[1]+"'";
				if(valsAr.length==3)
					valsAr[1]+= " target='"+valsAr[2]+"'";
				else
					valsAr[1]+= " target='_self'";
			}
		}

		this.setCValue("<a "+valsAr[1]+" onclick='(isIE()?event:arguments[0]).cancelBubble = true;' class='gridlink'>"+valsAr[0]+"</a>",valsAr);
	}
	this.edit=function(){
		this.val=this.getValue()
		this.obj=document.createElement("TEXTAREA");
		this.obj.className="dhx_textarea";

		this.obj.onclick=function(e){
			(e||event).cancelBubble=true
		}
		var arPos = this.grid.getPosition(this.cell); //,this.grid.objBox

		if (!this.cell._clearCell)
			this.obj.value=this.val;

		this.obj.style.display="";
		this.obj.style.textAlign=this.cell.style.textAlign;

		if (_isFF){
			var z_ff = document.createElement("DIV");
			z_ff.appendChild(this.obj);
			z_ff.style.overflow="auto";
			z_ff.className="dhx_textarea";
			z_ff.select=function(){this.firstChild.select(); }
			this.obj.style.margin="0px 0px 0px 0px";
			this.obj.style.border="0px";
			this.obj=z_ff;
		}
		document.body.appendChild(this.obj); //nb:
		if(_isOpera) this.obj.onkeypress=function(ev){ if (ev.keyCode == 9) return false; }
		this.obj.onkeydown=function(e){
			var ev = (e||event);

			if (ev.keyCode == 9){
				globalActiveDHTMLGridObject.entBox.focus();
				globalActiveDHTMLGridObject.doKey({
					keyCode: ev.keyCode,
					shiftKey: ev.shiftKey,
					srcElement: "0"
					});

				return false;
			}
		}

		this.obj.style.left=arPos[0]+"px";
		this.obj.style.top=arPos[1]+this.cell.offsetHeight+"px";

		if (this.cell.offsetWidth < 200)
			var pw = 200;
		else
			var pw = this.cell.offsetWidth;
		this.obj.style.width=pw+(_isFF ? 18 : 16)+"px"

		if (_isFF){
			this.obj.firstChild.style.width=parseInt(this.obj.style.width)+"px";
			this.obj.firstChild.style.height=this.obj.offsetHeight-3+"px";
		}

        if (_isIE) { this.obj.select(); this.obj.value=this.obj.value; }//dzen of IE
		if (_isFF)
			this.obj.firstChild.focus();
		else {
			this.obj.focus()
		}
	}
	this.detach=function(){
		var a_val = "";

		if (_isFF)
			a_val=this.obj.firstChild.value;
		else
			a_val=this.obj.value;

		if (a_val == ""){
			this.cell._clearCell=true;
		}
		else
			this.cell._clearCell=false;
		this.setValue(a_val);
		document.body.removeChild(this.obj);
		this.obj=null;
		return this.val != this.getValue();
	}
}

eXcell_edlink.prototype = new eXcell;
eXcell_edlink.prototype.getTitle=function(){
	var z=this.cell.firstChild;
	return ((z&&z.tagName)?z.getAttribute("href"):"");
}
eXcell_edlink.prototype.getContent=function(){
	var z=this.cell.firstChild;
	return ((z&&z.tagName)?z.innerHTML:"");
}