Bug 168808 Display text is lost after launching import values dialog
Steps to reproduce: 1.new a parameter; 2.select list box control type; 3.press "Import Values" button to import some values; 4.assign display texts for the imported values; 5.press "Import Values" button to launch import values dialog again; 6.press ok button on dialog; Expected result: The previous assigned display texts are remained. Actual result: The previous display texts are lost.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ParameterDialog.java
| SWT.DROP_DOWN );
		controlTypeChooser.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
		controlTypeChooser.addSelectionListener( new SelectionAdapter( ) {
			public void widgetSelected( SelectionEvent e )
			{
				changeControlType( );
			}
		} );
		createLabel( propertiesSection, LABEL_LIST_OF_VALUE );
		Composite choiceArea = new Composite( propertiesSection, SWT.NONE );
		choiceArea.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
		choiceArea.setLayout( UIUtil.createGridLayoutWithoutMargin( 2, true ) );
		staticRadio = new Button( choiceArea, SWT.RADIO );
		staticRadio.setText( RADIO_STATIC );
		staticRadio.addSelectionListener( new SelectionAdapter( ) {
			public void widgetSelected( SelectionEvent e )
			{
				switchParamterType( );
			}
		} );
		dynamicRadio = new Button( choiceArea, SWT.RADIO );
		dynamicRadio.setText( RADIO_DYNAMIC );
		dynamicRadio.addSelectionListener( new SelectionAdapter( ) {
			public void widgetSelected( SelectionEvent e )
			{
				switchParamterType( );
			}
		} );
		valueArea = new Composite( propertiesSection, SWT.NONE );
		valueArea.setLayout( UIUtil.createGridLayoutWithoutMargin( 2, false ) );