PHP drupal_is_front_page函数代码示例

/**
 * Implements theme_breadcrumb().
 */
function nuboot_radix_breadcrumb($variables)
{
    if (drupal_is_front_page()) {
        return;
    }
    $breadcrumb = $variables['breadcrumb'];
    $contexts = array();
    if (!empty($breadcrumb)) {
        $output = '<h2 class="element-invisible">' . t('You are here') . '</h2>';
        $crumbs = '<ul class="breadcrumb">';
        if (!drupal_is_front_page()) {
            $crumbs .= '<li class="home-link"><a href="' . url('<front>') . '"><i class="fa fa fa-home"></i><span> Home</span></a></li>';
        }
        // Remove null values.
        $breadcrumb = array_filter($breadcrumb);
        $i = 1;
        foreach ($breadcrumb as $value) {
            if ($i == count($breadcrumb)) {
                $crumbs .= '<li class="active-trail">' . $value . '</li>';
            } else {
                $crumbs .= '<li>' . $value . '</li>';
            }
            $i++;
        }
        $crumbs .= '</ul>';
        return $crumbs;
    }
}

/**
 * Implements hook_preprocess_page().
 */
function uconn_theme_preprocess_page(&$variables)
{
    $path = current_path();
    $path_array = explode("/", $path);
    // Add script to the front page, to control the height of the three columns at the bottom.
    // Does not work natively in Zen grids, so this is required.
    if (drupal_is_front_page()) {
        $theme_path = drupal_get_path('theme', $GLOBALS['theme']);
        drupal_add_js("{$theme_path}/js/jquery.matchHeight-min.js");
        drupal_add_js("{$theme_path}/js/matchHeightBehaviour.js");
    }
    // Selectively add class to content, edge case requires particular
    // Styling on the search result page. Set here so it is always
    // Available.
    $variables['inner_page_wrapper'] = "";
    if (count($path_array) >= 2) {
        if ($path_array[0] == 'islandora' && $path_array[1] == 'search') {
            global $_islandora_solr_queryclass;
            $sr = new IslandoraSolrResults();
            $secondary_display_profiles = $sr->addSecondaries($_islandora_solr_queryclass);
            $default_rss_icon_location = "/sites/all/modules/islandora_solr_search/islandora_solr_config/images/rss.png";
            $new_rss_icon_location = "/" . drupal_get_path('theme', 'uconn_theme') . '/images/rss_w.png';
            $secondary_display_profiles = str_replace($default_rss_icon_location, $new_rss_icon_location, $secondary_display_profiles);
            if (isset($secondary_display_profiles)) {
                $variables['secondary_display_profiles'] = $secondary_display_profiles;
            }
            $variables['inner_page_wrapper'] = "inner-page-wrapper";
        }
    }
}

/**
 * @file
 * This file is empty by default because the base theme chain (Alpha & Omega) provides
 * all the basic functionality. However, in case you wish to customize the output that Drupal
 * generates through Alpha & Omega this file is a good place to do so.
 * 
 * Alpha comes with a neat solution for keeping this file as clean as possible while the code
 * for your subtheme grows. Please read the README.txt in the /preprocess and /process subfolders
 * for more information on this topic.
 */
function songlap_preprocess_page(&$vars)
{
    if (drupal_is_front_page()) {
        $breadcrumb = array();
        $breadcrumb[] = t('Home');
        drupal_set_breadcrumb($breadcrumb);
    }
    if (arg(0) == 'taxonomy' && arg(1) == 'term' && is_null(arg(3))) {
        $term = taxonomy_term_load(arg(2));
        $breadcrumb = '';
        $breadcrumb .= '<div class="breadcrumb">';
        $breadcrumb .= '<a href="' . $vars['front_page'] . '">' . t('Home') . '</a> ';
        $breadcrumb .= '» ' . $term->name;
        $breadcrumb .= '</div>';
        $vars['breadcrumb'] = $breadcrumb;
    }
    if ($_GET['q'] == 'projects') {
        $breadcrumb = '';
        $breadcrumb .= '<div class="breadcrumb">';
        $breadcrumb .= '<a href="' . $vars['front_page'] . '">' . t('Home') . '</a> ';
        $breadcrumb .= '» ' . t('Projects');
        $breadcrumb .= '</div>';
        $vars['breadcrumb'] = $breadcrumb;
    }
}

/**
 * Implements theme_breadcrumb().
 */
function dkan_breadcrumb($variables)
{
    if (drupal_is_front_page()) {
        return;
    }
    $breadcrumb = $variables['breadcrumb'];
    $contexts = array();
    if (!empty($breadcrumb)) {
        foreach ($breadcrumb as $num => $item) {
            if ($item == '<a href="/">Home</a>') {
                $breadcrumb[$num] = '<a href="/"><i class="icon-large icon-home"></i><span> Home</span></a>';
            }
        }
        $output = '<h2 class="element-invisible">' . t('You are here') . '</h2>';
        $crumbs = '<ul class="breadcrumb">';
        // Remove null values.
        $breadcrumb = array_filter($breadcrumb);
        $i = 1;
        foreach ($breadcrumb as $value) {
            if ($i == count($breadcrumb)) {
                $crumbs .= '<li class="active-trail">' . $value . '</li>';
            } else {
                $crumbs .= '<li>' . $value . '</li>';
            }
            $i++;
        }
        $crumbs .= '</ul>';
        return $crumbs;
    }
}

function elements_theme_links__system_main_menu($variables)
{
    $links = $variables['links'];
    $attributes = $variables['attributes'];
    $heading = $variables['heading'];
    global $language_url;
    $output = '';
    if (count($links) > 0) {
        $output = '';
        // Treat the heading first if it is present to prepend it to the
        // list of links.
        if (!empty($heading)) {
            if (is_string($heading)) {
                // Prepare the array that will be used when the passed heading
                // is a string.
                $heading = array('text' => $heading, 'level' => 'h2');
            }
            $output .= '<' . $heading['level'];
            if (!empty($heading['class'])) {
                $output .= drupal_attributes(array('class' => $heading['class']));
            }
            $output .= '>' . check_plain($heading['text']) . '</' . $heading['level'] . '>';
        }
        $output .= '<div id="pages">';
        $num_links = count($links);
        $i = 1;
        foreach ($links as $key => $link) {
            $class = array($key);
            // Add first, last and active classes to the list of links to help out themers.
            if ($i == 1) {
                $class[] = 'first';
            }
            if ($i == $num_links) {
                $class[] = 'last';
            }
            if (isset($link['href']) && ($link['href'] == $_GET['q'] || $link['href'] == '<front>' && drupal_is_front_page()) && (empty($link['language']) || $link['language']->language == $language_url->language)) {
                $class[] = 'active';
            }
            $output .= '<span class="menu-items"><h3>';
            if (isset($link['href'])) {
                // Pass in $link as $options, they share the same keys.
                $output .= l($link['title'], $link['href'], $link);
            } elseif (!empty($link['title'])) {
                // Some links are actually not links, but we wrap these in <span> for adding title and class attributes.
                if (empty($link['html'])) {
                    $link['title'] = check_plain($link['title']);
                }
                $span_attributes = '';
                if (isset($link['attributes'])) {
                    $span_attributes = drupal_attributes($link['attributes']);
                }
                $output .= '<h3' . $span_attributes . '>' . $link['title'] . '</h3><span>' . $link['attributes']['title'] . '</span';
            }
            $i++;
            $output .= "</h3>" . $link['attributes']['title'] . "</span>\n";
        }
        $output .= '</div>';
    }
    return $output;
}

/**
 * Overrides theme_menu_link().
 */
function bootstrap_menu_link(array $variables)
{
    $element = $variables['element'];
    $sub_menu = '';
    if ($element['#below']) {
        // Prevent dropdown functions from being added to management menu so it
        // does not affect the navbar module.
        if ($element['#original_link']['menu_name'] == 'management' && module_exists('navbar')) {
            $sub_menu = drupal_render($element['#below']);
        } elseif (!empty($element['#original_link']['depth']) && $element['#original_link']['depth'] >= 1) {
            // Add our own wrapper.
            unset($element['#below']['#theme_wrappers']);
            $sub_menu = '<ul class="dropdown-menu">' . drupal_render($element['#below']) . '</ul>';
            // Generate as standard dropdown.
            //$element['#title'] .= ' <span class="caret"></span>';
            $element['#attributes']['class'][] = 'dropdown';
            $element['#localized_options']['html'] = TRUE;
            // Set dropdown trigger element to # to prevent inadvertant page loading
            // when a submenu link is clicked.
            //$element['#localized_options']['attributes']['data-target'] = '#';
            $element['#localized_options']['attributes']['class'][] = 'dropdown-toggle';
            //$element['#localized_options']['attributes']['data-toggle'] = 'dropdown';
        }
    }
    // On primary navigation menu, class 'active' is not set on active menu item.
    // @see https://drupal.org/node/1896674
    if (($element['#href'] == $_GET['q'] || $element['#href'] == '<front>' && drupal_is_front_page()) && empty($element['#localized_options']['language'])) {
        $element['#attributes']['class'][] = 'active';
    }
    $output = l($element['#title'], $element['#href'], $element['#localized_options']);
    return '<li' . drupal_attributes($element['#attributes']) . '>' . $output . $sub_menu . "</li>\n";
}

function _myu_language_dropdown($type = 'language')
{
    if (drupal_multilingual()) {
        global $language_url;
        $path = drupal_is_front_page() ? '<front>' : $_GET['q'];
        //$type = 'language_url';
        $languages = language_negotiation_get_switch_links($type, $path);
        $items = array();
        foreach ($languages->links as $lang_code => $lang_options) {
            if ($lang_options['language']->language === $language_url->language) {
                // Icon for the selected language
                if (module_exists('languageicons')) {
                    $icon = theme('languageicons_icon', array('language' => (object) array('language' => $lang_code), 'title' => $language_url->native));
                }
                $active_language_text = $icon . '<span class="langname">' . strtoupper($language_url->language) . '</span><i class="fa fa-angle-down"></i>';
                $active_language_link = l($active_language_text, 'javascript:;', array('html' => TRUE, 'external' => TRUE, 'attributes' => array('class' => 'dropdown-toggle', 'data-close-others' => 'true', 'data-hover' => 'dropdown', 'data-toggle' => 'dropdown')));
            } else {
                if (!isset($lang_options['query'])) {
                    $lang_options['query'] = drupal_get_query_parameters();
                }
                $items[] = l($lang_options['title'], $lang_options['href'], $lang_options);
            }
        }
        $language_flag_list = theme('item_list', array('items' => $items, 'type' => 'ul', 'attributes' => array('class' => 'dropdown-menu dropdown-menu-default')));
        return '<ul class="menu nav navbar-nav language"><li class="dropdown dropdown-language">' . $active_language_link . $language_flag_list . '</li></ul>';
    }
}

/**
 * Returns HTML for menu link.
 */
function boot_press_menu_link(array $variables)
{
    $element = $variables['element'];
    $sub_menu = '';
    if ($element['#below']) {
        if ($element['#original_link']['menu_name'] == 'management' && module_exists('navbar')) {
            $sub_menu = drupal_render($element['#below']);
        } else {
            unset($element['#below']['#theme_wrappers']);
            $sub_menu = '<ul class="dropdown-menu">' . drupal_render($element['#below']) . '</ul>';
            $element['#localized_options']['attributes']['class'][] = 'dropdown-toggle';
            $element['#localized_options']['attributes']['data-toggle'] = 'dropdown';
            if (!empty($element['#original_link']['depth']) && $element['#original_link']['depth'] > 1) {
                $element['#attributes']['class'][] = 'dropdown-submenu';
            } else {
                $element['#attributes']['class'][] = 'dropdown';
                $element['#localized_options']['html'] = TRUE;
                $element['#title'] .= ' <span class="caret"></span>';
            }
            $element['#localized_options']['attributes']['data-target'] = '#';
        }
    }
    if (($element['#href'] == $_GET['q'] || $element['#href'] == '<front>' && drupal_is_front_page()) && (empty($element['#localized_options']['language']) || $element['#localized_options']['language']->language == $language_url->language)) {
        $element['#attributes']['class'][] = 'active';
    }
    $menu_output = l($element['#title'], $element['#href'], $element['#localized_options']);
    return '<li' . drupal_attributes($element['#attributes']) . '>' . $menu_output . $sub_menu . "</li>\n";
}

function phptemplate_menu_links($links, $attributes = array())
{
    if (!count($links)) {
        return '';
    }
    $level_tmp = explode('-', key($links));
    $level = $level_tmp[0];
    $output = "<ul class=\"links-{$level} " . $attributes['class'] . "\" id=\"" . $attributes['id'] . "\">\n";
    $num_links = count($links);
    $i = 1;
    foreach ($links as $index => $link) {
        $output .= '<li';
        $output .= ' class="';
        if (stristr($index, 'active')) {
            $output .= 'active';
        } elseif (drupal_is_front_page() && $link['href'] == '<front>') {
            $link['attributes']['class'] = 'active';
            $output .= 'active';
        }
        if ($i == 1) {
            $output .= ' first';
        }
        if ($i == $num_links) {
            $output .= ' last';
        }
        $output .= '"';
        $output .= ">" . l($link['title'], $link['href'], $link['attributes'], $link['query'], $link['fragment']) . "</li>\n";
        $i++;
    }
    $output .= '</ul>';
    return $output;
}

/**
 * Override or insert variables into the html templates.
 */
function constellation_preprocess_html(&$vars)
{
    if (drupal_is_front_page()) {
        $vars['head_title'] = 'Freelance Drupal web development | NEAR DARK Design Studio';
    }
    // Load the media queries styles
    // Remember to rename these files to match the names used here - they are
    // in the CSS directory of your subtheme.
    $media_queries_css = array('constellation.responsive.style.css', 'constellation.responsive.gpanels.css');
    load_subtheme_media_queries($media_queries_css, 'constellation');
    drupal_add_css(drupal_get_path('theme', 'constellation') . '/css/ie-8.css', array('group' => CSS_THEME, 'browsers' => array('IE' => 'lte IE 8', '!IE' => FALSE), 'preprocess' => FALSE));
    //dpm($vars);
    /**
     * Load IE specific stylesheets
     * AT automates adding IE stylesheets, simply add to the array using
     * the conditional comment as the key and the stylesheet name as the value.
     *
     * See our online help: http://adaptivethemes.com/documentation/working-with-internet-explorer
     *
     * For example to add a stylesheet for IE8 only use:
     *
     *  'IE 8' => 'ie-8.css',
     *
     * Your IE CSS file must be in the /css/ directory in your subtheme.
     */
    /* -- Delete this line to add a conditional stylesheet for IE 7 or less.
      $ie_files = array(
        'lte IE 7' => 'ie-lte-7.css',
      );
      load_subtheme_ie_styles($ie_files, 'constellation');
      // */
}

/**
 * Overrides theme_menu_link() for book module.
 */
function bootstrap_menu_link__book_toc(array $variables)
{
    $element = $variables['element'];
    $sub_menu = drupal_render($element['#below']);
    $title = $element['#title'];
    $href = $element['#href'];
    $options = !empty($element['#localized_options']) ? $element['#localized_options'] : array();
    $attributes = !empty($element['#attributes']) ? $element['#attributes'] : array();
    $attributes['role'] = 'presentation';
    // Header.
    $link = TRUE;
    if ($title && $href === FALSE) {
        $attributes['class'][] = 'dropdown-header';
        $link = FALSE;
    } elseif ($title === FALSE && $href === FALSE) {
        $attributes['class'][] = 'divider';
        $link = FALSE;
    } elseif (($href == $_GET['q'] || $href == '<front>' && drupal_is_front_page()) && empty($options['language'])) {
        $attributes['class'][] = 'active';
    }
    // Filter the title if the "html" is set, otherwise l() will automatically
    // sanitize using check_plain(), so no need to call that here.
    if (!empty($options['html'])) {
        $title = _bootstrap_filter_xss($title);
    }
    // Convert to a link.
    if ($link) {
        $title = l($title, $href, $options);
    }
    return '<li' . drupal_attributes($attributes) . '>' . $title . $sub_menu . "</li>\n";
}

function cstark_preprocess_node(&$variables)
{
    if (user_access('administer nodes')) {
        $variables['edit_link'] = l(t('Edit'), 'node/' . $variables['nid'] . '/edit');
        if ($variables['type'] == 'painting') {
            $title = $variables['promote'] ? t('Remove from front page') : t('Add to front page');
            $variables['set_as_main_link'] = l($title, 'set-as-main/' . $variables['nid']);
            // Facebook share.
            $url = url('node/' . $variables['nid'], array('absolute' => TRUE));
            $variables['share_link'] = l(t('Share'), "http://www.facebook.com/sharer.php?u={$url}", array('attributes' => array('class' => array('facebook'))));
        }
    }
    if ($variables['type'] == 'painting') {
        $wrapper = entity_metadata_wrapper('node', $variables['nid']);
        if ($image = $wrapper->field_image->value()) {
            $element = array('#tag' => 'meta', '#attributes' => array('property' => 'og:image', 'content' => file_create_url($image['uri'])));
            drupal_add_html_head($element, 'cstark_painting_image');
            $element = array('#tag' => 'meta', '#attributes' => array('property' => 'og:title', 'content' => $wrapper->label()));
            drupal_add_html_head($element, 'cstark_painting_title');
        }
    }
    if ($variables['type'] == 'painting' && !drupal_is_front_page()) {
        $variables['pager'] = shapira_get_painting_pager($variables['nid']);
    }
    if ($variables['type'] != 'news') {
        $variables['hide_title'] = true;
    }
    if ($variables['type'] == 'painting') {
        if ($variables['field_image']) {
            $info = image_get_info(image_style_path('painting', $variables['field_image'][0]['uri']));
            $variables['node_width'] = $info['width'];
        }
    }
}

function iha_preprocess_page(&$variables)
{
    $search_box = drupal_render(drupal_get_form('search_form'));
    $variables['search_box'] = $search_box;
    if (drupal_is_front_page()) {
        unset($variables['page']['content']['system_main']['default_message']);
        //will remove message "no front page content is created"
        drupal_set_title('');
        //removes welcome message (page title)
    }
    if (arg(0) == 'node') {
        $variables['node_content'] =& $variables['page']['content']['system_main']['nodes'][arg(1)];
    }
    if (isset($variables['node']->type)) {
        $variables['theme_hook_suggestions'][] = 'page__' . $variables['node']->type;
    }
    // Prepare the mobile menu.
    $user_menu = menu_tree('user-menu');
    $main_menu = menu_tree('main-menu');
    $menu_tree = array_merge($main_menu, $user_menu);
    // FYI for future dev's - If need to add more menu items, then load the other menu through menu tree as well and do a
    // array merge or for loop to attach the items to the $menu_tree.
    $mobile_menu = '<ul class="list-unstyled main-menu">';
    foreach ($menu_tree as $mlid => $mm) {
        if (is_int($mlid)) {
            $mobile_menu .= iha_render_mobile_menu($mm);
        }
    }
    $mobile_menu .= '</ul>';
    $variables['mobile_menu'] = $mobile_menu;
}

function hc_bootstrap_preprocess_page(&$variables)
{
    //Set default section to display
    if (drupal_is_front_page()) {
        menu_set_active_item('food-and-groceries');
    }
    /**
    * Add page template suggestions based on the aliased path. For instance, if the current
    * page has an alias of about/history/early, we'll have templates of:
    * page-about-history-early.tpl.php, page-about-history.tpl.php, page-about.tpl.php
    * Whichever is found first is the one that will be used.
    */
    if (module_exists('path')) {
        $alias = drupal_get_path_alias(str_replace('/edit', '', $_GET['q']));
        if ($alias != $_GET['q']) {
            $template_filename = 'page';
            foreach (explode('/', $alias) as $path_part) {
                $template_filename = $template_filename . '-' . $path_part;
                $vars['template_files'][] = $template_filename;
            }
        }
    }
    //Add shopping cart to available output
    $variables['side_cart'] = block_render('views', 'sidebar_cart-cart');
}

/**
 * Preprocessor for theme('page').
 */
function jake_preprocess_page(&$vars)
{
    // Help link
    if (!empty($vars['help'])) {
        $vars['help_link'] = l('?', $_GET['q'], array('fragment' => 'help', 'attributes' => array('class' => 'help-link')));
    }
    // Admin link
    if (user_access('administer mn')) {
        $vars['admin_link'] = l(t('Admin'), 'admin/settings/site-information', array('attributes' => array('class' => 'admin-link')));
    }
    // Add body class for layout.
    $vars['attr']['class'] .= !empty($vars['template_files']) ? ' ' . end($vars['template_files']) : '';
    // Site name
    $vars['site_name'] = theme('site_name');
    // Display mission in a block
    if (!empty($vars['mission']) && drupal_is_front_page()) {
        $mission_block = new stdClass();
        $mission_block->content = $vars['mission'];
        $vars['mission_block'] = theme('block', $mission_block);
    }
    // Truncate the slogan so it doesn't break the header
    $vars['site_slogan'] = truncate_utf8($vars['site_slogan'], 35);
    // Determine stack height for fullscreen views.
    $class = array();
    if ($stackclass = context_get('theme', 'stackclass')) {
        $class[] = $stackclass;
    }
    if (!empty($vars['tabs'])) {
        $class[] = 'tabs';
    }
    if (!empty($class)) {
        $vars['attr']['class'] .= ' with-' . implode('-', $class);
    }
}