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
searchTxt = new Text( selectTableGroup, SWT.BORDER );
		{
			GridData data = new GridData( GridData.FILL_HORIZONTAL );
			data.horizontalSpan = 2;
			searchTxt.setLayoutData( data );
		}
		
		Label selectTypeLabel = new Label( selectTableGroup, SWT.NONE );
		selectTypeLabel.setText( JdbcPlugin.getResourceString( "tablepage.label.selecttype" ) );
		
		filterComboViewer = new ComboViewer( selectTableGroup, SWT.READ_ONLY );
		setFilterComboContents( filterComboViewer );
		filterComboViewer.getControl( )
				.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
		
		Button findButton = new Button( selectTableGroup, SWT.NONE );
		findButton.setText( JdbcPlugin.getResourceString( "tablepage.button.filter" ) );
		
		findButton.addSelectionListener( new SelectionAdapter( ) {
			public void widgetSelected( SelectionEvent event )
			{
				PlatformUI.getWorkbench( )
						.getDisplay( )
						.asyncExec( new Runnable( ) {
							public void run( )
							{
								populateAvailableDbObjects( );
							}
						} );
			}