class QuickQuicktabs

class QuickQuicktabs extends QuickRenderer {
    
    /**
     * @return array
     */
    public function render() {
        $quickset = $this->quickset;
        $render_array = array();
        $active_tab = $quickset->getActiveTab();
        $tabs = $this->build_tablinks($active_tab);
        if ($tabs) {
            $render_array['#attached'] = $this->add_attached();
            $qt_name = $quickset->getName();
            $settings = $quickset->getSettings();
            $contents = $quickset->getContents();
            $render_array['content'] = array(
                '#theme' => 'qt_quicktabs',
                '#options' => array(
                    'attributes' => array(
                        'id' => 'quicktabs-' . $qt_name,
                        'class' => 'quicktabs-wrapper quicktabs-style-' . Html::getClass($settings['style']),
                    ),
                ),
                'tabs' => array(
                    '#theme' => 'qt_quicktabs_tabset',
                    '#options' => array(
                        'active' => $active_tab,
                        'style' => Html::getClass($settings['style']),
                    ),
                    'tablinks' => $tabs,
                ),
                // The main content area, each quicktab container needs a unique id.
'container' => array(
                    '#prefix' => '<div id="quicktabs-container-' . $qt_name . '" class="quicktabs_main quicktabs-style-' . Html::getClass($settings['style']) . '">',
                    '#suffix' => '</div>',
                    'divs' => array(),
                ),
            );
            // If in ajax mode, we'll only be rendering one tab, otherwise all of them.
            if ($settings['ajax']) {
                // check in case of $active_tab=QUICKTABS_DELTA_NONE
                $tabs_to_render = isset($contents[$active_tab]) ? array(
                    $active_tab => $contents[$active_tab],
                ) : array();
            }
            else {
                $tabs_to_render = $contents;
            }
            foreach ($tabs_to_render as $key => $tab) {
                if (!empty($tab)) {
                    $attribs = array(
                        'id' => 'quicktabs-tabpage-' . $qt_name . '-' . $key,
                        'class' => array(
                            'quicktabs-tabpage',
                            $active_tab == $key ? '' : 'quicktabs-hide',
                        ),
                    );
                    $render_array['content']['container']['divs'][] = array(
                        '#prefix' => '<div ' . drupal_attributes($attribs) . '>',
                        '#suffix' => '</div>',
                        'content' => $tab->render(),
                    );
                }
            }
        }
        return $render_array;
    }
    
    /**
     * Build the actual tab links, with appropriate href, title and attributes.
     *
     * @param $active_tab The index of the active tab.
     */
    protected function build_tablinks($active_tab) {
        $quickset = $this->quickset;
        $settings = $quickset->getSettings();
        $tabs = array();
        foreach ($quickset->getContents() as $i => $tab) {
            if (!empty($tab)) {
                $tablink = array(
                    '#type' => 'link',
                    '#title' => $quickset->translateString($tab->getTitle(), 'tab', $i),
                    '#href' => $_GET['q'],
                    '#options' => $this->construct_link_options($i),
                );
                if ($settings['ajax']) {
                    $tab_settings = $tab->getSettings();
                    $ajax_keys = $tab->getAjaxKeys();
                    $ajax_args = array();
                    foreach ($ajax_keys as $key) {
                        $ajax_args[] = $tab_settings[$key];
                    }
                    $ajax_path = $quickset->getAjaxPath($i, $tab->getType());
                    $ajax_href = $ajax_path . '/' . implode('/', $ajax_args);
                    $tablink['#ajax'] = array(
                        'progress' => array(
                            'message' => '',
                            'type' => 'throbber',
                        ),
                        'path' => $ajax_href,
                    );
                }
                $tabs[$i] = $tablink;
            }
        }
        return $tabs;
    }
    
    /**
     * Add any necessary js, css and libraries for the render array.
     */
    protected function add_attached() {
        $attached = array(
            'css' => array(
                array(
                    'data' => drupal_get_path('module', 'quicktabs') . '/css/quicktabs.css',
                ),
            ),
            'js' => array(
                array(
                    'data' => drupal_get_path('module', 'quicktabs') . '/js/quicktabs.js',
                ),
                array(
                    'data' => 'misc/progress.js',
                    'weight' => JS_LIBRARY,
                ),
            ),
        );
        $settings = $this->quickset
            ->getSettings();
        // Add the custom style css if a custom style has been set.
        // No use of now.
        
        /*$style_css = quicktabs_get_css($settings['style']);
          if (!empty($style_css)) {
            $attached['css'][] = $style_css;
          }*/
        // Prepare a tab_settings array for passing the tab info to our JavaScript.
        $tab_settings = array();
        foreach ($this->quickset
            ->getContents() as $i => $content) {
            if (!empty($content)) {
                $tab_settings[$i] = $content->getSettings();
            }
        }
        // Add our JS settings
        $javascript = drupal_add_js();
        $javascript = array(
            '#attached' => array(),
        );
        if (isset($javascript['settings']['data'])) {
            foreach ($javascript['settings']['data'] as $key => $settings) {
                if (key($settings) == 'quicktabs') {
                    $qtkey = $key;
                    break;
                }
            }
        }
        $name = $this->quickset
            ->getName();
        if (!isset($qtkey) || isset($javascript['settings']['data'][$qtkey]['quicktabs']) && !array_key_exists('qt_' . $name, $javascript['settings']['data'][$qtkey]['quicktabs'])) {
            $quicktabs_array = array_merge(array(
                'name' => $name,
                'tabs' => $tab_settings,
            ), $settings);
            $attached['js'][] = array(
                'data' => array(
                    'quicktabs' => array(
                        'qt_' . $name => $quicktabs_array,
                    ),
                ),
                'type' => 'setting',
            );
        }
        return $attached;
    }
    
    /**
     * Helper function to construct link options for tab links.
     */
    protected function construct_link_options($tabkey) {
        $qt_name = $this->quickset
            ->getName();
        $settings = $this->quickset
            ->getSettings();
        $contents = $this->quickset
            ->getContents();
        $tab_type = $contents[$tabkey]->getType();
        $tab_unique_keys = $contents[$tabkey]->getUniqueKeys();
        $tab_settings = $contents[$tabkey]->getSettings();
        $id = 'quicktabs-tab-' . implode('-', array(
            $qt_name,
            $tabkey,
        ));
        $classes = array(
            'quicktabs-tab',
            'quicktabs-tab-' . $tab_type,
        );
        // Generate unique class for the quicktab.
        $key_contents = array();
        foreach ($tab_unique_keys as $key) {
            if (isset($tab_settings[$key])) {
                $key_content = $tab_settings[$key];
                $key_content = str_replace(array(
                    '_',
                    ' ',
                ), '-', $key_content);
                $key_content = preg_replace('/[^A-Za-z0-9\\-]/', '', $key_content);
                $key_contents[] = $key_content;
            }
        }
        $suffix = implode('-', $key_contents);
        // Encode class suffixes longer than 50 as hash using md5.
        if (strlen($suffix) > 50) {
            $suffix = md5($suffix);
        }
        if (strlen($suffix) > 0) {
            $classes[] = 'quicktabs-tab-' . $tab_type . '-' . $suffix;
        }
        // Need to construct the correct querystring for the tab links.
        $query = UrlHelper::filterQueryParameters(NULL, array(
            "qt-{$qt_name}",
            'q',
            'page',
        ));
        $query["qt-{$qt_name}"] = $tabkey;
        $link_options = array(
            'attributes' => array(
                'id' => $id,
                'class' => $classes,
            ),
            'query' => $query,
            'fragment' => 'qt-' . $qt_name,
            'html' => isset($settings['html']) ? $settings['html'] : FALSE,
        );
        return $link_options;
    }

}