Bug 153387 Database item can't be dragged and dropped onto editor field
Steps to reproduce: 1.Start up BIRT in Mac OS X; 2.File->New->Project; 3.File->New->Report Design; 4.In Data Explorer, create a New Data Source, and choose "Classic Models Inc. Sample DataBase", press "Next" and then press "finish"; 5.In Data Explorer, create a New Data Set, press "Next"; 6.In the popup window, expand the "CLASSICMODELS", select and drag a item onto the editor field at right side.
data/org.eclipse.birt.report.data.oda.jdbc.ui/src/org/eclipse/birt/report/data/oda/jdbc/ui/editors/SQLDataSetEditorPage.java
identifierQuoteStringCheckBox.getSelection( ) );
				}
				
				else if ( obj instanceof Procedure )
				{
					data += SQLUtility.getDnDString( ( (Procedure) obj ).getProcedureNameWithSchema( ),
							identifierQuoteString,
							identifierQuoteStringCheckBox.getSelection( ) );
				}
				
				else
				{
					data += SQLUtility.getDnDString( obj,
							identifierQuoteString,
							identifierQuoteStringCheckBox.getSelection( ) );
				}
				data += i != selection.length - 1 ? "," : "";
			}
			event.data = data;
		}
	}
	/**
	 * Adds drop support to viewer.Must set viewer before execution.
	 *  
	 */
	public void addDropSupportToViewer( )
	{
		final StyledText text = viewer.getTextWidget( );
		DropTarget dropTarget = new DropTarget( text, DND.DROP_COPY | DND.DROP_DEFAULT );
		dropTarget.setTransfer( new Transfer[]{TextTransfer.getInstance( )} );