-var sm=this.grid.selModel;if(sm.getSelectedCell){if(!sm.getSelectedCell()){return false;}if(A!=sm.getSelectedCell()[0]){return false;}}var B=sm.getSelections?sm.getSelections():(sm.getSelectedCell()?[this.grid.ds.getAt(sm.getSelectedCell()[0])]:[]);if(B||B.length){if(e.hasModifier()){sm.handleMouseDown(e,t);
-}Roo.log("getDragData");return {grid:this.grid,ddel:this.ddel,rowIndex:A,selections:sm.getSelections?sm.getSelections():(sm.getSelectedCell()?[this.grid.ds.getAt(sm.getSelectedCell()[0])]:[])};}return false;},onBeforeDrag:function(A,e){return A!==false;},onInitDrag:function(e){var A=this.dragData;
-this.ddel.innerHTML=this.grid.getDragDropText();this.proxy.update(this.ddel);},afterRepair:function(){this.dragging=false;},getRepairXY:function(e,A){return false;},onEndDrag:function(A,e){},onValidDrop:function(dd,e,id){this.hideProxy();},beforeInvalidDrop:function(e,id){}
-});
+var sm=this.grid.selModel;if(sm.getSelectedCell){if(!sm.getSelectedCell()){return false;}if(A!=sm.getSelectedCell()[0]){return false;}}var B=sm.getSelections?sm.getSelections():(sm.getSelectedCell()?[this.grid.ds.getAt(sm.getSelectedCell()[0])]:[]);if(B&&B.length){if(e.hasModifier()){sm.handleMouseDown(e,t);
+}Roo.log("getDragData");return {grid:this.grid,ddel:this.ddel,rowIndex:A,selections:sm.getSelections?sm.getSelections():(sm.getSelectedCell()?[this.grid.ds.getAt(sm.getSelectedCell()[0])]:[])};}return false;},onInitDrag:function(e){var A=this.dragData;this.ddel.innerHTML=this.grid.getDragDropText();
+this.proxy.update(this.ddel);},afterRepair:function(){this.dragging=false;},getRepairXY:function(e,A){return false;},onEndDrag:function(A,e){},onValidDrop:function(dd,e,id){this.hideProxy();},beforeInvalidDrop:function(e,id){}});