/*
Product Name: dhtmlxSuite 
Version: 5.2.0 
Edition: Professional 
License: content of this file is covered by DHTMLX Commercial or Enterprise license. Usage without proper license is prohibited. To obtain it contact sales@dhtmlx.com
Copyright UAB Dinamenta http://www.dhtmlx.com
*/

/*
Purpose: item edit extension
*/


/**
*     @desc: enable editing of item text
*     @param:  mode - true/false
*     @type: public
*     @topic: 0
*/
dhtmlXTreeObject.prototype.enableItemEditor=function(mode){
        this._eItEd=dhx4.s2b(mode);
        if (!this._eItEdFlag){

            this._edn_click_IE=true;
            this._edn_dblclick=true;
            this._ie_aFunc=this.aFunc;
            this._ie_dblclickFuncHandler=this.dblclickFuncHandler;

            this.setOnDblClickHandler(function (a,b) {
                if (this._edn_dblclick) this._editItem(a,b);
                return true;
				});

            this.setOnClickHandler(function (a,b) {
                this._stopEditItem(a,b);
                    if ((this.ed_hist_clcik==a)&&(this._edn_click_IE))
                        this._editItem(a,b);
                this.ed_hist_clcik=a;
                return true;
                });

            this._eItEdFlag=true;

            }
        };

/**
*     @desc: set onEdit handler ( multi handler event)
*     @param:  func - function which will be called on edit related events
*     @type: depricated
*     @event:  onEdit
*     @depricated: use grid.attachEvent("onEdit",func); instead
*     @eventdesc: Event occurs on 4 different stages of edit process: before editing started (cancelable), after editing started, before closing (cancelable), after closed
*     @eventparam: state - 0 before editing started , 1 after editing started, 2 before closing, 3 after closed
*     @eventparam: id - id of edited items
*     @eventparam: tree - tree object
*     @eventparam: value - for stage 0 and 2, value of editor
*     @eventreturn: for stages 0 and 2; true - confirm opening/closing, false - deny opening/closing;  text - edit value
*     @topic: 0
*/
dhtmlXTreeObject.prototype.setOnEditHandler=function(func){
		this.attachEvent("onEdit",func);
        };



/**
*     @desc: define which events must start editing
*     @param:  click_IE - click on already selected item - true/false [true by default]
*     @param:  dblclick - on double click
*     @type: public
*     @topic: 0
*/
dhtmlXTreeObject.prototype.setEditStartAction=function(click_IE, dblclick){
        this._edn_click_IE=dhx4.s2b(click_IE);
        this._edn_dblclick=dhx4.s2b(dblclick);
        };

dhtmlXTreeObject.prototype._stopEdit=function(a,mode){
    if  (this._editCell){
        this.dADTempOff=this.dADTempOffEd;
        if (this._editCell.id!=a){
			
			var editText=true;
			if(!mode){
	            editText=this.callEvent("onEdit",[2,this._editCell.id,this,this._editCell.span.childNodes[0].value]);
			}
			else{
				editText = false;
				this.callEvent("onEditCancel",[this._editCell.id,this._editCell._oldValue]);
			}
	        if (editText===true)
	           	editText=this._editCell.span.childNodes[0].value;
	        else if (editText===false) editText=this._editCell._oldValue;
	        
			var changed = (editText!=this._editCell._oldValue);
	        this._editCell.span.innerHTML=editText;
	        this._editCell.label=this._editCell.span.innerHTML;
			var cSS=this._editCell.i_sel?"selectedTreeRow":"standartTreeRow";
	        this._editCell.span.className=cSS;
	        this._editCell.span.parentNode.className="standartTreeRow";
	        this._editCell.span.style.paddingRight=this._editCell.span.style.paddingLeft='5px';
	        this._editCell.span.onclick=this._editCell.span.ondblclick=function(){};
	        
	        var id=this._editCell.id; 
	        if (this.childCalc)  this._fixChildCountLabel(this._editCell);
	        this._editCell=null;
	        
			if(!mode)
	        	this.callEvent("onEdit",[3,id,this,changed]);
	        
			if (this._enblkbrd){
				this.parentObject.lastChild.focus();
				this.parentObject.lastChild.focus();
			}
        }
    }
}

dhtmlXTreeObject.prototype._stopEditItem=function(id,tree){
    this._stopEdit(id);
};

/**
*     @desc:  switch currently edited item back to normal view
*     @type: public
*     @topic: 0
*/

dhtmlXTreeObject.prototype.stopEdit=function(mode){
    if (this._editCell)
        this._stopEdit(this._editCell.id+"_non",mode);
}

/**
*     @desc: open editor for specified item
*     @param:  id - item ID
*     @type: public
*     @topic: 0
*/
dhtmlXTreeObject.prototype.editItem=function(id){
    this._editItem(id,this);
}

dhtmlXTreeObject.prototype._editItem=function(id,tree){
    if (this._eItEd){
        this._stopEdit();
        var temp=this._globalIdStorageFind(id);
		if (!temp) return;
				
	    var editText = this.callEvent("onEdit",[0,id,this,temp.span.innerHTML]);
        if (editText===true)
            editText = (typeof temp.span.innerText!="undefined"?temp.span.innerText:temp.span.textContent);
        else if (editText===false) return;
        this.dADTempOffEd=this.dADTempOff;
        this.dADTempOff=false;


        this._editCell=temp;
        temp._oldValue=editText;
        temp.span.innerHTML="<input type='text' class='intreeeditRow' />";
        temp.span.style.paddingRight=temp.span.style.paddingLeft='0px';
        temp.span.onclick = temp.span.ondblclick= function(e){
			(e||event).cancelBubble = true;
		}

        temp.span.childNodes[0].value=editText;

        temp.span.childNodes[0].onselectstart=function(e){
            (e||event).cancelBubble=true;
            return true;
        }
        temp.span.childNodes[0].onmousedown=function(e){
            (e||event).cancelBubble=true;
            return true;
        }

        temp.span.childNodes[0].focus();
        temp.span.childNodes[0].focus();
//		temp.span.childNodes[0].select();
        temp.span.onclick=function (e){ (e||event).cancelBubble=true; return false; };
        temp.span.className="";
        temp.span.parentNode.className="";

        var self=this;

        temp.span.childNodes[0].onkeydown=function(e){
            if (!e) e=window.event;
            if (e.keyCode==13){
				 e.cancelBubble=true;
				 self._stopEdit(window.undefined);	
			}
			else if (e.keyCode==27){
				self._stopEdit(window.undefined, true);
			}
			(e||event).cancelBubble=true;
        }
        this.callEvent("onEdit",[1,id,this]);
    }
};
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