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
selectedList.add( selected[i] );
			}
		}
		filteValues( );
		if ( selected.length == 1 )
		{
			int nextSelected = ( ( selectedIndex + 1 ) < oldListSize ) ? selectedIndex
					: ( selectedIndex - 1 );
			valueList.select( nextSelected );
		}
		else if ( ( selected.length > 1 ) && ( valueList.getItemCount( ) > 0 ) )
		{
			valueList.select( 0 );
		}
		updateButtons( );
	}
	private void addAll( )
	{
		String[] values = valueList.getItems( );
		for ( int i = 0; i < values.length; i++ )
		{
			if ( selectedList.indexOf( values[i] ) == -1 )
			{
				selectedList.add( values[i] );
			}
		}
		filteValues( );
	}
	private void removeSelected( )
	{