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
}
		columnChooser.removeAll( );
		selectedColumnIndex = -1;
		if ( columnList.size( ) == 0 )
		{
			columnChooser.setItems( new String[0] );
		}
		else
		{
			ArrayList matachedColumnList = new ArrayList( );
			for ( Iterator iter = columnList.iterator( ); iter.hasNext( ); )
			{
				ResultSetColumnHandle column = (ResultSetColumnHandle) iter.next( );
				if ( matchType( column ) )
				{
					columnChooser.add( column.getColumnName( ) );
					matachedColumnList.add( column );
					selectedColumnIndex = 0;
				}
			}
		}
		columnChooser.select( selectedColumnIndex );
		columnChooser.setEnabled( selectedColumnIndex == 0 );
		refreshValues( );
	}
	private boolean matchType( ResultSetColumnHandle column )
	{
		if ( style.equals( DesignChoiceConstants.PARAM_TYPE_STRING )
				|| DesignChoiceConstants.COLUMN_DATA_TYPE_ANY.equals( column.getDataType( ) ) )
		{