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/internal/ui/dialogs/ImportValueDialog.java
} );
	}
	private void createValueSelectionArea( Composite parent )
	{
		Composite selectionArea = new Composite( parent, SWT.NONE );
		selectionArea.setLayout( new GridLayout( 3, false ) );
		selectionArea.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
		Composite subComposite = new Composite( selectionArea, SWT.NONE );
		subComposite.setLayout( UIUtil.createGridLayoutWithoutMargin( ) );
		subComposite.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
		new Label( subComposite, SWT.NONE ).setText( LABEL_SELECT_VALUE );
		valueEditor = new Text( subComposite, SWT.BORDER | SWT.SINGLE );
		valueEditor.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
		valueEditor.addModifyListener( new ModifyListener( ) {
			public void modifyText( ModifyEvent e )
			{
				filteValues( );
			}
		} );
		GridData gd = new GridData( );
		gd.horizontalSpan = 2;
		new Label( selectionArea, SWT.NONE ).setLayoutData( gd ); 
		valueList = new List( selectionArea, SWT.MULTI
				| SWT.BORDER
				| SWT.V_SCROLL
				| SWT.H_SCROLL );
		setListLayoutData( valueList );
		valueList.addSelectionListener( new SelectionListener( ) {
			public void widgetDefaultSelected( SelectionEvent e )
			{