//v.2.5 build 91111

/*
Copyright DHTMLX LTD. http://www.dhtmlx.com
To use this component please contact sales@dhtmlx.com to obtain license
*/
/**
*   @desc: add new column to the grid. Can be used after grid was initialized. At least one column should be in grid
*   @param: ind - index of column
*   @param: header - header content of column
*   @param: type - type of column
*   @param: width - width of column
*   @param: sort - sort type of column
*   @param: align - align of column
*   @param: valign - vertical align of column
*   @param: reserved - not used for now
*   @param: columnColor - background color of column
*   @type: public
*   @edition: Professional
*   @topic: 3
*/
dhtmlXGridObject.prototype.insertColumn=function(ind,header,type,width,sort,align,valign,reserved,columnColor){
	ind=parseInt(ind);
	if (ind>this._cCount) ind=this._cCount;
	if (!this._cMod) this._cMod=this._cCount;
	this._processAllArrays(this._cCount,ind-1,[(header||" "),(width||100),(type||"ed"),(align||"left"),(valign||""),(sort||"na"),(columnColor||""),"",this._cMod,(width||100)]);
	this._processAllRows("_addColInRow",ind);

	if (typeof(header)=="object")
		for (var i=1; i < this.hdr.rows.length; i++) {
			if (header[i-1]=="#rspan"){
         		var pind=i-1;
         		var found=false;
         		var pz=null;
         		while(!found){
            		var pz=this.hdr.rows[pind];
            		for (var j=0; j<pz.cells.length; j++)
               			if (pz.cells[j]._cellIndex==ind) {
                  			found=j;
                  			break;
		      		}
            		pind--;
	        	}
	        this.hdr.rows[pind+1].cells[j].rowSpan=(this.hdr.rows[pind].cells[j].rowSpan||1)+1;
			}
			else				
			this.setHeaderCol(ind,(header[i-1]||"&nbsp;"),i);
		}
	else
		this.setHeaderCol(ind,(header||"&nbsp;"));
	this.hdr.rows[0].cells[ind]
	this._cCount++;
	this._cMod++;
	this._master_row=null;
	this.setSizes();
}
/**
*   @desc: delete column
*   @param: ind - index of column
*   @type: public
*   @edition: Professional
*   @topic: 0
*/
dhtmlXGridObject.prototype.deleteColumn=function(ind){
	ind=parseInt(ind);
	if (this._cCount==0) return;
	if (!this._cMod) this._cMod=this._cCount;
	if (ind>=this._cCount) return;
	this._processAllArrays(ind,this._cCount-1,[null,null,null,null,null,null,null,null,null,null,null]);
	this._processAllRows("_deleteColInRow",ind);
	this._cCount--;
	this._master_row=null;
	this.setSizes();

}

/**
*   @desc: call method for all rows in all collections
*   @type: private
*   @topic: 0
*/
dhtmlXGridObject.prototype._processAllRows = function(method,oldInd,newInd){
	this[method](this.obj.rows[0],oldInd,newInd,0);

	var z=this.hdr.rows.length;
    for (var i=0; i<z; i++)
		this[method](this.hdr.rows[i],oldInd,newInd,i);
		
	if (this.ftr){
		var z=this.ftr.firstChild.rows.length;
	    for (var i=0; i<z; i++)
			this[method](this.ftr.firstChild.rows[i],oldInd,newInd,i);
	}

	this.forEachRow(function(id){
		if (this.rowsAr[id] && this.rowsAr[id].tagName=="TR")
			this[method](this.rowsAr[id],oldInd,newInd,-1);
	});			
	
}

/**
*   @desc: shift data in all arrays
*   @type: private
*   @topic: 0
*/
dhtmlXGridObject.prototype._processAllArrays = function(oldInd,newInd,vals){
	var ars=["hdrLabels","initCellWidth","cellType","cellAlign","cellVAlign","fldSort","columnColor","_hrrar","_c_order"];
	if (this.cellWidthPX.length) ars.push("cellWidthPX");
	if (this.cellWidthPC.length) ars.push("cellWidthPC");
	if (this._col_combos) ars.push("_col_combos");
    if (this._mCols) ars[ars.length]="_mCols";
    if (this.columnIds) ars[ars.length]="columnIds";
    if (this._maskArr) ars.push("_maskArr");
    if (this._drsclmW) ars.push("_drsclmW");
    if (this.clists) ars.push("clists");
    
    ars.push("combos");
    if (this._customSorts) ars.push("_customSorts");
    if (this._aggregators)  ars.push("_aggregators");
    var mode=(oldInd<=newInd);

	if (!this._c_order) {
		this._c_order=new Array();
		var l=this._cCount;
		for (var i=0; i<l; i++)
			this._c_order[i]=i;
	}

	for (var i=0; i<ars.length; i++)
		{
			var t=this[ars[i]];
			if (t){
				if (mode){
					var val=t[oldInd];
					for (var j=oldInd; j<newInd; j++)
						t[j]=t[j+1];
					t[newInd]=val;
				} else {
					var val=t[oldInd];
					for (var j=oldInd; j>(newInd+1); j--)
						t[j]=t[j-1];
					t[newInd+1]=val;
				}
				if (vals)
					t[newInd+(mode?0:1)]=vals[i];
			}
		}
}


/**
*   @desc: moves column of specified index to new position
*   @param: oldInd - current index of column
*   @param: newInd - new index of column
*   @type: public
*   @edition: Professional
*   @topic: 0
*/
dhtmlXGridObject.prototype.moveColumn = function(oldInd,newInd){
	newInd--;
    oldInd=parseInt(oldInd); newInd=parseInt(newInd);
	if (newInd<oldInd) var tInd=newInd+1;
	else var tInd=newInd;
	

	if (!this.callEvent("onBeforeCMove",[oldInd,tInd]))  return false;
	if (oldInd==tInd) return;

	
	//replace data
	this.editStop();
    this._processAllRows("_moveColInRow",oldInd,newInd);
    this._processAllArrays(oldInd,newInd);

	//sorting image
	if (this.fldSorted)
		this.setSortImgPos(this.fldSorted._cellIndex);

  /*	for (var i=0; i<this.hdrLabels.length; i++)
		this._c_revers[this._c_order[i]]=i;*/
	this.callEvent("onAfterCMove",[oldInd,tInd]);
};


/**
*   @desc: swap columns in collection
*   @param: cols - collection of collumns
*   @type: private
*   @topic: 0
*/
dhtmlXGridObject.prototype._swapColumns = function(cols){
	var z=new Array();
	for (var i=0; i<this._cCount; i++){
		var n=cols[this._c_order[i]];
		if (typeof(n)=="undefined") n="";
		z[i]=n;
		}
	return z;
}

/**
*   @desc: move data in the row
*   @param: row - row object
*   @param: oldInd - current index of column
*   @param: newInd - new index of column
*   @type: private
*   @topic: 0
*/
dhtmlXGridObject.prototype._moveColInRow = function(row,oldInd,newInd){


	var c=row.childNodes[oldInd];
	var ci=row.childNodes[newInd+1];
	if (!c) return;
	if (ci)
		row.insertBefore(c,ci);
	else
		row.appendChild(c);

	for (var i=0; i<row.childNodes.length; i++)
		row.childNodes[i]._cellIndex=row.childNodes[i]._cellIndexS=i;

};
/**
*   @desc: add column in row
*   @param: row - row object
*   @param: ind - current index of column
*   @type: private
*   @topic: 0
*/
dhtmlXGridObject.prototype._addColInRow = function(row,ind,old,mod){
	var cind=ind;
	if (row._childIndexes){
		if (row._childIndexes[ind-1]==row._childIndexes[ind] || !row.childNodes[row._childIndexes[ind-1]]){
			for (var i=row._childIndexes.length; i>=ind; i--)
			row._childIndexes[i]=i?(row._childIndexes[i-1]+1):0;
			row._childIndexes[ind]--;
			}
		else
		for (var i = row._childIndexes.length; i >= ind; i--)
			row._childIndexes[i]=i?(row._childIndexes[i-1]+1):0;
		var cind=row._childIndexes[ind];
	}
	var c=row.childNodes[cind];
	var z=document.createElement((mod)?"TD":"TH");
	if (mod) { z._attrs={}; } //necessary for code compressor
	else z.style.width=(parseInt(this.cellWidthPX[ind])||"100")+"px";
	if (c)
		row.insertBefore(z,c);
	else
		row.appendChild(z);

	if (this.dragAndDropOff && row.idd) this.dragger.addDraggableItem(row.childNodes[cind],this);
	
	for (var i=cind+1; i<row.childNodes.length; i++){
		row.childNodes[i]._cellIndex=row.childNodes[i]._cellIndexS=row.childNodes[i]._cellIndex+1;
	}
		
	if (row.childNodes[cind]) row.childNodes[cind]._cellIndex=row.childNodes[cind]._cellIndexS=ind;

	if (row.idd || typeof(row.idd)!="undefined"){
		this.cells3(row,ind).setValue("");
		z.align=this.cellAlign[ind];
		z.style.verticalAlign=this.cellVAlign[ind];
		z.bgColor=this.columnColor[ind];
		}
	else if (z.tagName=="TD"){
		if (!row.idd && this.forceDivInHeader) z.innerHTML="<div class='hdrcell'>&nbsp;</div>";
		else	z.innerHTML="&nbsp;";
	} 
};
/**
*   @desc: delete columns from row
*   @param: row - row object
*   @param: ind - current index of column
*   @type: private
*   @topic: 0
*/
dhtmlXGridObject.prototype._deleteColInRow = function(row,ind){
	
	if (row._childIndexes) ind=row._childIndexes[ind];
	var c=row.childNodes[ind];
	if (!c) return;
	if (c.colSpan && c.colSpan>1 && c.parentNode.idd){
		var t=c.colSpan-1;
		var v=this.cells4(c).getValue();
		this.setColspan(c.parentNode.idd,c._cellIndex,1)
		if (t>1){
			var cind=c._cellIndex*1;
			this.setColspan(c.parentNode.idd,cind+1,t)
			this.cells(c.parentNode.idd,c._cellIndex*1+1).setValue(v)
			row._childIndexes.splice(cind,1)
			for (var i=cind; i < row._childIndexes.length; i++) 
				row._childIndexes[i]-=1;
				
		}
	} else if (row._childIndexes){
	    row._childIndexes.splice(ind,1);
	    for (var i=ind; i<row._childIndexes.length; i++) row._childIndexes[i]--;
	}
	if (c)
		row.removeChild(c);

	for (var i=ind; i<row.childNodes.length; i++)
		row.childNodes[i]._cellIndex=row.childNodes[i]._cellIndexS=row.childNodes[i]._cellIndex-1;
};


/**
*   @desc: enable move column functionality
*   @param: mode - true/false
*   @param: columns - list of true/false values, optional
*   @type: public
*   @edition: Professional
*   @topic: 0
*/
dhtmlXGridObject.prototype.enableColumnMove = function(mode,columns){
	this._mCol=convertStringToBoolean(mode);
	if (typeof(columns)!="undefined")
		this._mCols=columns.split(",");
	if (!this._mmevTrue){
		dhtmlxEvent(this.hdr,"mousedown",this._startColumnMove);
		dhtmlxEvent(document.body,"mousemove",this._onColumnMove);
		dhtmlxEvent(document.body,"mouseup",this._stopColumnMove);
		this._mmevTrue=true;
	}
};

dhtmlXGridObject.prototype._startColumnMove = function(e){
	e=e||event;
	var el = e.target||e.srcElement;
//	var grid=globalActiveDHTMLGridObject;
	   	var zel=el;
	   	while(zel.tagName!="TABLE") zel=zel.parentNode;
		var grid=zel.grid;
		if (!grid) return; //somehow grid not found
		grid.setActive();
	if (!grid._mCol || e.button==2) return;
	
	el = grid.getFirstParentOfType(el,"TD")
    if(el.style.cursor!="default") return true;
	if ((grid)&&(!grid._colInMove)){
		grid.resized = null;
		if ((!grid._mCols)||(grid._mCols[el._cellIndex]=="true"))
	    	grid._colInMove=el._cellIndex+1;
	}
	return true;
};
dhtmlXGridObject.prototype._onColumnMove = function(e){
	e=e||event;
	var grid=window.globalActiveDHTMLGridObject;
	if ((grid)&&(grid._colInMove)){
		if (grid._showHContext) grid._showHContext(false)
    	if (typeof(grid._colInMove)!="object"){
        	var z=document.createElement("DIV");
			z._aIndex=(grid._colInMove-1);
			z._bIndex=null;
			z.innerHTML=grid.getHeaderCol(z._aIndex);
			z.className="dhx_dragColDiv";
			z.style.position="absolute";
			document.body.appendChild(z);
            grid._colInMove=z;
		}
		
		var cor=[];
		cor[0]=(document.body.scrollLeft||document.documentElement.scrollLeft);
		cor[1]=(document.body.scrollTop||document.documentElement.scrollTop);
		
		
		grid._colInMove.style.left=e.clientX+cor[0]+8+"px";
		grid._colInMove.style.top=e.clientY+cor[1]+8+"px";
		
        var el = e.target||e.srcElement;
		while ((el)&&(typeof(el._cellIndexS)=="undefined"))
			el=el.parentNode;

		if (grid._colInMove._oldHe){
			grid._colInMove._oldHe.className=grid._colInMove._oldHe.className.replace(/columnTarget(L|R)/g,"");
			grid._colInMove._oldHe=null;
			grid._colInMove._bIndex=null;
			}
		if (el) {
			if (grid.hdr.rows[1]._childIndexes)
				var he=grid.hdr.rows[1].cells[grid.hdr.rows[1]._childIndexes[el._cellIndexS]];
			else
				var he=grid.hdr.rows[1].cells[el._cellIndexS];
			var z=e.clientX-(getAbsoluteLeft(he)-grid.hdrBox.scrollLeft);
            if (z/he.offsetWidth>0.5){
				he.className+=" columnTargetR";
				grid._colInMove._bIndex=el._cellIndexS;
				}
			else {
				he.className+=" columnTargetL";
				grid._colInMove._bIndex=el._cellIndexS-1;
			}
			if (he.offsetLeft<(grid.objBox.scrollLeft+20))
				grid.objBox.scrollLeft=Math.max(0,he.offsetLeft-20);

			if ((he.offsetLeft+he.offsetWidth-grid.objBox.scrollLeft)>(grid.objBox.offsetWidth-20))
				grid.objBox.scrollLeft=Math.min(grid.objBox.scrollLeft+he.offsetWidth+20,grid.objBox.scrollWidth-grid.objBox.offsetWidth);	
				
            grid._colInMove._oldHe=he;
		}
		//prevent selection, or other similar reactions while column draged
		e.cancelBubble = true;  
        return false;  
	}
	return true;
};
dhtmlXGridObject.prototype._stopColumnMove = function(e){
	e=e||event;
	var grid=window.globalActiveDHTMLGridObject;
	if ((grid)&&(grid._colInMove)){
		if (typeof(grid._colInMove)=="object"){
			grid._colInMove.parentNode.removeChild(grid._colInMove);
			if (grid._colInMove._bIndex!=null)
				grid.moveColumn(grid._colInMove._aIndex,grid._colInMove._bIndex+1);

			if (grid._colInMove._oldHe)
				grid._colInMove._oldHe.className=grid._colInMove._oldHe.className.replace(/columnTarget(L|R)/g,"");
			grid._colInMove._oldHe=null;
			grid._colInMove.grid=null;
			grid.resized = true;
			}
        grid._colInMove=0;
	}
	return true;
};



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