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
choices[0] = CONTROL_TYPE_CHOICE_SET.findChoice( DesignChoiceConstants.PARAM_CONTROL_TEXT_BOX )
							.getDisplayName( );
					
					choices[1] = DISPLAY_NAME_CONTROL_COMBO;
				}
				
				choices[choices.length - 2] = DISPLAY_NAME_CONTROL_LIST;
				choices[choices.length - 1] = CONTROL_TYPE_CHOICE_SET.findChoice( DesignChoiceConstants.PARAM_CONTROL_RADIO_BUTTON )
						.getDisplayName( );
			}
			else
			{
				choices[0] = DISPLAY_NAME_CONTROL_COMBO;
				choices[1] = DISPLAY_NAME_CONTROL_LIST;
			}
			controlTypeChooser.setItems( choices );
			if ( originalSelection.length( ) == 0 )
			{
				controlTypeChooser.setText( getInputControlDisplayName( ) );
			}
			else
			{
				int index = controlTypeChooser.indexOf( originalSelection );
				if ( index == -1 )
				{
					
					controlTypeChooser.select( 0 );
					return true;
				}
				controlTypeChooser.setText( originalSelection );