Bug 188027 PasteAction is diabled
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/validators/ThemeStyleNameValidator.java
}
		return list;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.model.validators.AbstractElementValidator#validate(org.eclipse.birt.report.model.core.Module,
	 *      org.eclipse.birt.report.model.core.DesignElement)
	 */
	public List validate( Module module, DesignElement element )
	{
		if ( !( element instanceof Theme ) )
			return Collections.EMPTY_LIST;
		Theme theme = (Theme) element;
		ContainerSlot slot = theme.getSlot( IThemeModel.STYLES_SLOT );
		List list = new ArrayList( );
		Set set = new HashSet( );
		for ( Iterator iter = slot.iterator( ); iter.hasNext( ); )
		{
			StyleElement style = (StyleElement) iter.next( );
			String styleName = style.getFullName( );
			if ( !set.contains( styleName ) )
				set.add( style.getFullName( ) );
			else
				list.add( new NameException( theme, styleName,
						NameException.DESIGN_EXCEPTION_DUPLICATE ) );
		}
		return list;
	}
}