/** * Gets the HTML head entries needed for jQuery * * @return SwatHtmlHeadEntrySet the HTML head entries needed for jQuery. */ public function getHtmlHeadEntrySet() { if (!self::$html_head_entries instanceof SwatHtmlHeadEntrySet) { $filename = sprintf('jquery-%s.js', self::VERSION); self::$html_head_entries = new SwatHtmlHeadEntrySet(); self::$html_head_entries->addEntry(new SwatJavaScriptHtmlHeadEntry('packages/jquery/javascript/' . $filename)); } return self::$html_head_entries; }