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

http://mapapp.googlecode.com/ · JavaScript · 21 lines · 6 code · 3 blank · 12 comment · 17 complexity · 13adc4731f3d20b7f8d743fd4117a766 MD5 · raw file 

    

  1. //v.2.1 build 90226
    2. 

  2. 

  3. /*

    4. 

  4. Copyright DHTMLX LTD. http://www.dhtmlx.com

    5. 

  5. You allowed to use this component or parts of it under GPL terms

    6. 

  6. To use it on other terms or get Professional edition of the component please contact us at sales@dhtmlx.com

    7. 

  7. */
    8. 

  8. 

    9. 

  9. dhtmlXGridObject.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. 

  10.  if (_isKHTML)this.obj.appendChild(row);else

    11. 

  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. 

  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 

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  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. 

  14.  fil.parentNode.appendChild(row);this.rowsCol[ind]=row};
    15. 

  15. //v.2.1 build 90226
    16. 

  16. 

  17. /*

    18. 

  18. Copyright DHTMLX LTD. http://www.dhtmlx.com

    19. 

  19. You allowed to use this component or parts of it under GPL terms

    20. 

  20. To use it on other terms or get Professional edition of the component please contact us at sales@dhtmlx.com

    21. 

  21. */
    22.