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/CascadingParametersDialog.java
value = getColumnName( parameter, COLUMN_VALUE );
				}
				else if ( COLUMN_DISPLAY_TEXT.equals( property ) )
				{
					value = getColumnName( parameter, COLUMN_DISPLAY_TEXT );
				}
				if ( value == null )
				{
					value = ""; 
				}
				return value;
			}
			return ""; 
		}
		public void modify( Object element, String property, Object value )
		{
			Object actualElement = ( (TableItem) element ).getData( );
			try
			{
				saveParameterProperties( );
			}
			catch ( SemanticException e1 )
			{
				e1.printStackTrace( );
			}
			if ( COLUMN_NAME.equals( property ) )
			{
				try
				{
					( (ScalarParameterHandle) actualElement ).setName( (String) value );