Bug 188027 PasteAction is diabled
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/elements/Theme.java
StyleElement tmpStyle = (StyleElement) slots[STYLES_SLOT]
					.getContent( i );
			int pos = ModelUtil.getStylePosition( styleList, tmpStyle
					.getFullName( ) );
			if ( pos == -1 )
			{
				styleList.add( tmpStyle );
			}
			else
			{
				styleList.remove( pos );
				styleList.add( tmpStyle );
			}
		}
		return styleList;
	}
	/**
	 * Returns the style with the given name.
	 * 
	 * @param styleName
	 *            the style name
	 * @return the corresponding style
	 */
	public StyleElement findStyle( String styleName )
	{
		if ( styleName == null )
			return null;
		List styles = getAllStyles( );
		for ( int i = 0; i < styles.size( ); ++i )
		{