/code/plugins/dhtmlx/dhtmlxGrid/codebase/ext/dhtmlxgrid_srnd.js

 1//v.2.1 build 90226
 2
 3/*
 4Copyright DHTMLX LTD. http://www.dhtmlx.com
 5You allowed to use this component or parts of it under GPL terms
 6To use it on other terms or get Professional edition of the component please contact us at sales@dhtmlx.com
 7*/
 8
 9dhtmlXGridObject.prototype.enableSmartRendering=function(mode,buffer,reserved){if (arguments.length>2){if (buffer && !this.rowsBuffer[buffer-1])this.rowsBuffer[buffer-1]=0;buffer=reserved};this._srnd=convertStringToBoolean(mode);this._srdh=this._srdh||20;this._dpref=buffer||0};dhtmlXGridObject.prototype.enablePreRendering=function(buffer){this._srnd_pr=parseInt(buffer||50)};dhtmlXGridObject.prototype.forceFullLoading=function(buffer){buffer=buffer||50;for (var i=0;i<this.rowsBuffer.length;i++)if (!this.rowsBuffer[i]){if (this.callEvent("onDynXLS",[i,buffer])){var self=this;this.load(this.xmlFileUrl+getUrlSymbol(this.xmlFileUrl)+"posStart="+i+"&count="+buffer, function(){window.setTimeout(function(){self.forceFullLoading()},100)}, this._data_type)};return}};dhtmlXGridObject.prototype.setAwaitedRowHeight = function(height) {this._srdh=parseInt(height)};dhtmlXGridObject.prototype._get_view_size=function(){return Math.floor(parseInt(this.entBox.offsetHeight)/this._srdh)+2};dhtmlXGridObject.prototype._add_filler=function(pos,len,fil){if (!len)return null;var id="__filler__";var row=this._prepareRow(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._srdh+"px";fil=fil||this.rowsCol[pos];if (fil && fil.nextSibling)fil.parentNode.insertBefore(row,fil.nextSibling);else
10 if (_isKHTML)this.obj.appendChild(row);else
11 this.obj.rows[0].parentNode.appendChild(row);return [pos,len,row]};dhtmlXGridObject.prototype._update_srnd_view=function(){var min=Math.floor(this.objBox.scrollTop/this._srdh);var max=min+this._get_view_size();if (this.multiLine){var pxHeight = this.objBox.scrollTop;min = 0;while(pxHeight > 0){pxHeight-=this.rowsCol[min]?this.rowsCol[min].offsetHeight:this._srdh;min++};max=min+this._get_view_size();if (min>0)min--};max+=(this._srnd_pr||0);if (max>this.rowsBuffer.length)max=this.rowsBuffer.length;for (var j=min;j<max;j++){if (!this.rowsCol[j]){var res=this._add_from_buffer(j);if (res==-1){if (this.xmlFileUrl){this._current_load=[j,(this._dpref?this._dpref:(max-j))];if (this.callEvent("onDynXLS",[j,this._current_load[1]]))
12 this.load(this.xmlFileUrl+getUrlSymbol(this.xmlFileUrl)+"posStart="+j+"&count="+this._current_load[1], this._data_type)};return}else {if (this._tgle){this._updateLine(this._h2.get[this.rowsBuffer[j].idd],this.rowsBuffer[j]);this._updateParentLine(this._h2.get[this.rowsBuffer[j].idd],this.rowsBuffer[j])};if (j && j==(this._realfake?this._fake:this)["_r_select"]){this.selectCell(j, this.cell?this.cell._cellIndex:0, true)}}}}};dhtmlXGridObject.prototype._add_from_buffer=function(ind){var row=this.render_row(ind);if (row==-1)return -1;if (row._attrs["selected"] || row._attrs["select"]){this.selectRow(row,false,true);row._attrs["selected"]=row._attrs["select"]=null};if (!this._cssSP){if (this._cssEven && ind%2 == 0 )row.className=this._cssEven+((row.className.indexOf("rowselected") != -1)?" rowselected ":" ")+(row._css||"");else if (this._cssUnEven && ind%2 == 1 )row.className=this._cssUnEven+((row.className.indexOf("rowselected") != -1)?" rowselected ":" ")+(row._css||"")}else if (this._h2){var x=this._h2.get[row.idd];row.className+=" "+((x.level%2)?(this._cssUnEven+" "+this._cssUnEven):(this._cssEven+" "+this._cssEven))+"_"+x.level+(this.rowsAr[x.id]._css||"")};for (var i=0;i<this._fillers.length;i++){var f=this._fillers[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._fillers.push(this._add_filler(ind+1,f[1]-pos-1,f[2],1));this._insert_after(ind,row,f[2]);this._update_fillers(i,-f[1]+pos,0)};return}}};dhtmlXGridObject.prototype._update_fillers=function(ind,right,left){var f=this._fillers[ind];f[1]=f[1]+right;f[0]=f[0]+left;if (!f[1]){f[2].parentNode.removeChild(f[2]);this._fillers.splice(ind,1)}else 
13 f[2].firstChild.style.height=parseFloat(f[2].firstChild.style.height)+right*this._srdh+"px"};dhtmlXGridObject.prototype._insert_before=function(ind,row,fil){fil.parentNode.insertBefore(row,fil);this.rowsCol[ind]=row};dhtmlXGridObject.prototype._insert_after=function(ind,row,fil){if (fil.nextSibling)fil.parentNode.insertBefore(row,fil.nextSibling);else
14 fil.parentNode.appendChild(row);this.rowsCol[ind]=row};
15//v.2.1 build 90226
16
17/*
18Copyright DHTMLX LTD. http://www.dhtmlx.com
19You allowed to use this component or parts of it under GPL terms
20To use it on other terms or get Professional edition of the component please contact us at sales@dhtmlx.com
21*/