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
choiceList.add( choice );
						if ( defaultValue != null
								&& defaultValue.equals( importValues[i] ) )
						{
							defaultValueRemoved = false;
						}
					}
					refreshValueTable( );
					if ( defaultValue != null && defaultValueRemoved )
					{
						changeDefaultValue( null );
					}
				}
			}
		} );
		changeDefault = new Button( buttonBar, SWT.TOGGLE );
		changeDefault.addSelectionListener( new SelectionAdapter( ) {
			public void widgetSelected( SelectionEvent e )
			{
				SelectionChoice choice = (SelectionChoice) ( (IStructuredSelection) valueTable.getSelection( ) ).getFirstElement( );
				if ( isDefaultChoice( choice ) )
				{
					changeDefaultValue( null );
				}
				else
				{
					changeDefaultValue( choice.getValue( ) );
				}
				refreshValueTable( );
				changeDefault.getParent( ).layout( );