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.ui.extension/src/org/eclipse/birt/chart/ui/swt/composites/MarkerIconDialog.java
}
			updateButton( );
		}
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.swt.events.SelectionListener#widgetDefaultSelected(org.eclipse.swt.events.SelectionEvent)
	 */
	public void widgetDefaultSelected( SelectionEvent event )
	{
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.swt.events.ModifyListener#modifyText(org.eclipse.swt.events.ModifyEvent)
	 */
	public void modifyText( ModifyEvent e )
	{
		if ( e.widget.equals( uriEditor ) )
		{
			btnAdd.setEnabled( trimString( uriEditor.getText( ) ) != null );
			btnPreview.setEnabled( trimString( uriEditor.getText( ) ) != null );
		}
	}
	/**
	 * Trim a string. Removes leading and trailing blanks. If the resulting
	 * string is empty, normalizes the string to an null string.
	 * 
	 * @param value