Bug 180645 Support set format for Date/Time type parameter.[0705]
Description: Support set format for Date/Time type parameter. Build number:2.2.0.v200704031345 Steps to reproduce: 1. New a Date report parameter. 2. Click Change... button to set format for it. Expected result: Can set format for Date/Time parameter. Actual result: Change... button is disabled. Error log:N/A
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ParameterDialog.java
if ( string != null
				&& DesignChoiceConstants.PARAM_TYPE_DATETIME.equals( getSelectedDataType( ) ) )
		{
			try
			{
				string = convertToStandardFormat( DataTypeUtil.toDate( string,
						ULocale.US ) );
			}
			catch ( BirtException e )
			{
			}
		}
		return string;
	}
	private String convertToStandardFormat( Date date )
	{
		if ( date == null )
		{
			return null;
		}
		return new DateFormatter( STANDARD_DATE_TIME_PATTERN, ULocale.US ).format( date );
	}
	private String getExpression( String columnName )
	{
		for ( Iterator iter = columnList.iterator( ); iter.hasNext( ); )
		{
			ResultSetColumnHandle cachedColumn = (ResultSetColumnHandle) iter.next( );
			if ( cachedColumn.getColumnName( ).equals( columnName ) )
			{
				return DEUtil.getExpression( cachedColumn );