Bug 122869 Drag a parameter from data explorer view into a table in library, a new parameter is created automatically.
Description:Drag a parameter from data explorer view into a table in library, a new parameter is created automatically. Steps to reproduce: 1. Add a cascading parameter and a table in a library file. 2. Drag a parameter from data explorer view into a table cell in layout editor. 3. Find that a new parameter was added in data explorer view automatically.
UI/org.eclipse.birt.report.designer.core/src/org/eclipse/birt/report/designer/util/DEUtil.java
actionHandle = ( (DataItemHandle) element ).setAction( action );
		}
		else if ( element instanceof ImageHandle )
		{
			actionHandle = ( (ImageHandle) element ).setAction( action );
		}
		return actionHandle;
	}
	private static Object getModelFontSize( DesignElementHandle handle )
	{
		
		
		
		StyleHandle styleHandle = handle.getPrivateStyle( );
		Object fontSizeValue = null;
		if ( styleHandle != null )
		{
			fontSizeValue = handle.getPrivateStyle( ).getFontSize( ).getValue( );
		}
		return fontSizeValue;
	}
	public static List getDataSets( )
	{
		return SessionHandleAdapter.getInstance( ).getReportDesignHandle( )
				.getVisibleDataSets( );
	}
	public static Iterator getThemes( )
	{
		return getThemes( new AlphabeticallyComparator( ) );
	}