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$.extend($.fn.datagrid.methods,{ columnMoving: function(jq){ return jq.each(function(){ var target = this; var cells = $(this).datagrid('getPanel').find('div.datagrid-header td[field]'); cells.draggable({ revert:true, cursor:'pointer', edge:5, proxy:function(source){ var p = $('<div class="tree-node-proxy tree-dnd-no" style="position:absolute;border:1px solid #ff0000"/>').appendTo('body'); p.html($(source).text()); p.hide(); return p; }, onBeforeDrag:function(e){ e.data.startLeft = $(this).offset().left; e.data.startTop = $(this).offset().top; }, onStartDrag: function(){ $(this).draggable('proxy').css({ left:-10000, top:-10000 }); }, onDrag:function(e){ $(this).draggable('proxy').show().css({ left:e.pageX+15, top:e.pageY+15 }); return false; } }).droppable({ accept:'td[field]', onDragOver:function(e,source){ $(source).draggable('proxy').removeClass('tree-dnd-no').addClass('tree-dnd-yes'); $(this).css('border-left','1px solid #ff0000'); }, onDragLeave:function(e,source){ $(source).draggable('proxy').removeClass('tree-dnd-yes').addClass('tree-dnd-no'); $(this).css('border-left',0); }, onDrop:function(e,source){ $(this).css('border-left',0); var fromField = $(source).attr('field'); var toField = $(this).attr('field'); setTimeout(function(){ swapField(fromField,toField); $(target).datagrid(); $(target).datagrid('columnMoving'); },0); } }); // swap Field to another location function swapField(from,to){ var columns = $(target).datagrid('options').columns; var cc = columns[0]; _swap(from,to); function _swap(fromfiled,tofiled){ var fromtemp; var totemp; var fromindex = 0; var toindex = 0; for(var i=0; i<cc.length; i++){ if (cc[i].field == fromfiled){ fromindex = i; fromtemp = cc[i]; } if(cc[i].field == tofiled){ toindex = i; totemp = cc[i]; } } cc.splice(fromindex,1,totemp); cc.splice(toindex,1,fromtemp); } } }); } });