Bug 117149 Add additional datapoint markers
I would like to propose adding additional datapoint markers. Attached is a set of markers I would like supported.
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/util/LiteralHelper.java
TriggerCondition.ONDBLCLICK_LITERAL.getName( ),
				TriggerCondition.ONMOUSEDOWN_LITERAL.getName( ),
				TriggerCondition.ONMOUSEUP_LITERAL.getName( ),
				TriggerCondition.ONMOUSEOVER_LITERAL.getName( ),
				TriggerCondition.ONMOUSEMOVE_LITERAL.getName( ),
				TriggerCondition.ONMOUSEOUT_LITERAL.getName( ),
				TriggerCondition.ONFOCUS_LITERAL.getName( ),
				TriggerCondition.ONBLUR_LITERAL.getName( ),
				TriggerCondition.ONKEYDOWN_LITERAL.getName( ),
				TriggerCondition.ONKEYPRESS_LITERAL.getName( ),
				TriggerCondition.ONKEYUP_LITERAL.getName( ),
				TriggerCondition.ONLOAD_LITERAL.getName( ),
		} );
	}
	/**
	 * @return
	 */
	private static NameSet getActionTypeSet( )
	{
		String prefix = "ActionType."; 
		String suffix = ".displayName"; 
		return new NameSet( prefix,
				suffix,
				toStringNameArray( ActionType.VALUES ) );
	}
	/**
	 * @return
	 */
	private static NameSet getUnitsOfMeasurementSet( )
	{