Bug 196894 BIRT Cross tab, Cube - Time dimension enhancements
There were a couple of time dimension related enhancments planned post BIRT 2.2. This entry is to track those. This enhancments also includes - supporting additional predefined data time formats, that could make it easier to define data time dimension and use it in data items.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/writer/ModuleWriter.java
* @see org.eclipse.birt.report.model.elements.ElementVisitor#visitTabularLevel(org.eclipse.birt.report.model.elements.olap.TabularLevel)
	 */
	public void visitTabularLevel( TabularLevel obj )
	{
		writer.startElement( DesignSchemaConstants.TABULAR_LEVEL_TAG );
		super.visitTabularLevel( obj );
		property( obj, ITabularLevelModel.COLUMN_NAME_PROP );
		property( obj, ITabularLevelModel.DISPLAY_COLUMN_NAME_PROP );
		writer.endElement( );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.model.elements.ElementVisitor#visitTabularMeasure(org.eclipse.birt.report.model.elements.olap.TabularMeasure)
	 */
	public void visitTabularMeasure( TabularMeasure obj )
	{
		writer.startElement( DesignSchemaConstants.TABULAR_MEASURE_TAG );
		super.visitTabularMeasure( obj );
		writer.endElement( );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.model.elements.ElementVisitor#visitTabularMeasureGroup(org.eclipse.birt.report.model.elements.olap.TabularMeasureGroup)
	 */
	public void visitTabularMeasureGroup( TabularMeasureGroup obj )
	{
		writer.startElement( DesignSchemaConstants.TABULAR_MEASURE_GROUP_TAG );
		super.visitTabularMeasureGroup( obj );