/*
 ===================================================================
Copyright DHTMLX LTD. http : // www.dhtmlx.com
This code is obfuscated and not allowed for any purposes except
using on sites which belongs to DHTMLX LTD.

Please contact sales@dhtmlx.com to obtain necessary
license for usage of dhtmlx components.
 ===================================================================
 */ D.prototype.gM = function(bn, buffer, reserved)
{
   if(arguments.length > 2)
   {
      if(buffer && ! this.aD[buffer - 1])this.aD[buffer - 1] = 0;
      buffer = reserved
   }
   ;
   this.adK = K(bn);
   this.ig = this.ig || 20;
   this.Cr = buffer || 0
}
;
D.prototype.acv = function(height)
{
   this.ig = parseInt(height)
}
;
D.prototype._get_view_size = function()
{
   return Math.floor(parseInt(this.aL.offsetHeight) / this.ig) + 2
}
;
D.prototype._add_filler = function(pos, len, fil)
{
   if( ! len)return null;
   var id = "__filler__";
   var row = this.uO(id);
   row.firstChild.style.width = "1px";
   for(var i = 1; i < row.childNodes.length; i ++ )row.childNodes[i].style.display = 'none';
   row.firstChild.style.height = len * this.ig + "px";
   fil = fil || this.p[pos];
   if(fil && fil.nextSibling)fil.parentNode.insertBefore(row, fil.nextSibling); else if(cn)this.obj.appendChild(row);
   else this.obj.rows[0].parentNode.appendChild(row);
   return[pos, len, row]
}
;
D.prototype._update_srnd_view = function()
{
   var min = Math.floor(this.HF.scrollTop / this.ig);
   var max = min + this._get_view_size();
   if(this.hu)
   {
      var pxHeight = this.HF.scrollTop;
      min = 0;
      while(pxHeight > 0)
      {
         pxHeight -= this.p[min] ? this.p[min].offsetHeight : this.ig;
         min ++
      }
      ;
      max = min + this._get_view_size();
      if(min > 0)min --
   }
   ;
   if(max > this.aD.length)max = this.aD.length;
   for(var j = min; j < max; j ++ )
   {
      if( ! this.p[j])
      {
         var res = this._add_from_buffer(j);
         if(res == - 1)
         {
            if(this.tR)
            {
               this.RV = [j, (this.Cr ? this.Cr : (max - j))];
               if(this.callEvent("onDynXLS", [j, this.RV[1]]))this.load(this.tR + jv(this.tR) + "posStart=" + j + "&count=" + this.RV[1], this.Et)
            }
            ;
            return
         }
         else
         {
            if(this.aav)
            {
               this.nl(this._h2.get[this.aD[j].idd], this.aD[j]);
               this.iY(this._h2.get[this.aD[j].idd], this.aD[j])
            }
            ;
            if(j && j == (this.nh ? this.aC : this)["_r_select"])
            {
               this.eQ(j, this.cell ? this.cell.A : 0, true)
            }
         }
      }
   }
}
;
D.prototype._add_from_buffer = function(ind)
{
   var row = this.render_row(ind);
   if(row == - 1)return - 1;
   if(row.qD["selected"] || row.qD["select"])
   {
      this.Th(row, false, true);
      row.qD["selected"] = row.qD["select"] = null
   }
   ;
   if( ! this.Cw)
   {
      if(this.hC && ind % 2 == 0)row.className = this.hC + ((row.className.indexOf("rowselected") != - 1) ? " rowselected " : " ") + (row.Vn || "");
      else if(this.iI && ind % 2 == 1)row.className = this.iI + ((row.className.indexOf("rowselected") != - 1) ? " rowselected " : " ") + (row.Vn || "")
   }
   else if(this._h2)
   {
      var x = this._h2.get[row.idd];
      row.className += " " + ((x.level % 2) ? (this.iI + " " + this.iI) : (this.hC + " " + this.hC)) + "_" + x.level + (this.bj[x.id].Vn || "")
   }
   ;
   if(!this.rw)return;
   for(var i = 0; i < this.rw.length; i ++ )
   {
      var f = this.rw[i];
      if(f && f[0] <= ind && (f[0] + f[1]) > ind)
      {
         var pos = ind - f[0];
         if(pos == 0)
         {
            this._insert_before(ind, row, f[2]); this._update_fillers(i, - 1, 1)
         }
         else if(pos == f[1] - 1)
         {
            this._insert_after(ind, row, f[2]);
            this._update_fillers(i, - 1, 0)
         }
         else
         {
            this.rw.push(this._add_filler(ind + 1, f[1] - pos - 1, f[2]));
            this._insert_after(ind, row, f[2]);
            this._update_fillers(i, - f[1] + pos, 0)
         }
         ;
         return
      }
   }
}
;
D.prototype._update_fillers = function(ind, right, left)
{
   var f = this.rw[ind];
   f[1] = f[1] + right;
   f[0] = f[0] + left;
   if( ! f[1])
   {
      f[2].parentNode.removeChild(f[2]);
      this.rw.splice(ind, 1)
   }
   else f[2].firstChild.style.height = parseFloat(f[2].firstChild.style.height) + right * this.ig + "px"
}
;
D.prototype._insert_before = function(ind, row, fil)
{
   fil.parentNode.insertBefore(row, fil); this.p[ind] = row
}
;
D.prototype._insert_after = function(ind, row, fil)
{
   if(fil.nextSibling)fil.parentNode.insertBefore(row, fil.nextSibling); else fil.parentNode.appendChild(row);
   this.p[ind] = row
}
;