Bug 182062 Define and provide Date/Time format value
DateTime type has been supported in BIRT. Now, there's a proposal on support Date/Time type in BIRT Report Designer. In order to enable end user setting the format of Date/Time type, please define and provide format value for both Date and Time.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/writer/ModuleWriter.java
}
					writeResouceKey( DesignSchemaConstants.TEXT_PROPERTY_TAG,
							UserChoice.DISPLAY_NAME_PROP, choice
									.getDisplayNameKey( ), choice
									.getDisplayName( ), false );
					writer.endElement( );
				}
				writer.endElement( );
			}
			writer.endElement( );
		}
		writer.endElement( );
	}
	/**
	 * Writes the values for user properties.
	 * 
	 * @param obj
	 *            the element that has user properties.
	 */
	protected void writeUserPropertyValues( DesignElement obj )
	{
		List userProps = obj.getUserProperties( );
		if ( userProps == null || userProps.size( ) == 0 )
			return;
		Iterator iter = userProps.iterator( );
		while ( iter.hasNext( ) )
		{
			UserPropertyDefn propDefn = (UserPropertyDefn) iter.next( );
			property( obj, propDefn.getName( ) );
		}