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Diffstat (limited to 'sites/all/themes/zen/template.php')
-rw-r--r-- | sites/all/themes/zen/template.php | 430 |
1 files changed, 430 insertions, 0 deletions
diff --git a/sites/all/themes/zen/template.php b/sites/all/themes/zen/template.php new file mode 100644 index 000000000..b639b4d98 --- /dev/null +++ b/sites/all/themes/zen/template.php @@ -0,0 +1,430 @@ +<?php +/** + * @file + * Contains functions to alter Drupal's markup for the Zen theme. + * + * IMPORTANT WARNING: DO NOT MODIFY THIS FILE. + * + * The base Zen theme is designed to be easily extended by its sub-themes. You + * shouldn't modify this or any of the CSS or PHP files in the root zen/ folder. + * See the online documentation for more information: + * http://drupal.org/node/193318 + */ + +// Auto-rebuild the theme registry during theme development. +if (theme_get_setting('zen_rebuild_registry') && !defined('MAINTENANCE_MODE')) { + // Rebuild .info data. + system_rebuild_theme_data(); + // Rebuild theme registry. + drupal_theme_rebuild(); +} + + +/** + * Implements HOOK_theme(). + */ +function zen_theme(&$existing, $type, $theme, $path) { + include_once './' . drupal_get_path('theme', 'zen') . '/zen-internals/template.theme-registry.inc'; + return _zen_theme($existing, $type, $theme, $path); +} + +/** + * Return a themed breadcrumb trail. + * + * @param $variables + * - title: An optional string to be used as a navigational heading to give + * context for breadcrumb links to screen-reader users. + * - title_attributes_array: Array of HTML attributes for the title. It is + * flattened into a string within the theme function. + * - breadcrumb: An array containing the breadcrumb links. + * @return + * A string containing the breadcrumb output. + */ +function zen_breadcrumb($variables) { + $breadcrumb = $variables['breadcrumb']; + $output = ''; + + // Determine if we are to display the breadcrumb. + $show_breadcrumb = theme_get_setting('zen_breadcrumb'); + if ($show_breadcrumb == 'yes' || $show_breadcrumb == 'admin' && arg(0) == 'admin') { + + // Optionally get rid of the homepage link. + $show_breadcrumb_home = theme_get_setting('zen_breadcrumb_home'); + if (!$show_breadcrumb_home) { + array_shift($breadcrumb); + } + + // Return the breadcrumb with separators. + if (!empty($breadcrumb)) { + $breadcrumb_separator = filter_xss_admin(theme_get_setting('zen_breadcrumb_separator')); + $trailing_separator = $title = ''; + if (theme_get_setting('zen_breadcrumb_title')) { + $item = menu_get_item(); + if (!empty($item['tab_parent'])) { + // If we are on a non-default tab, use the tab's title. + $breadcrumb[] = check_plain($item['title']); + } + else { + $breadcrumb[] = drupal_get_title(); + } + } + elseif (theme_get_setting('zen_breadcrumb_trailing')) { + $trailing_separator = $breadcrumb_separator; + } + + // Provide a navigational heading to give context for breadcrumb links to + // screen-reader users. + if (empty($variables['title'])) { + $variables['title'] = t('You are here'); + } + // Unless overridden by a preprocess function, make the heading invisible. + if (!isset($variables['title_attributes_array']['class'])) { + $variables['title_attributes_array']['class'][] = 'element-invisible'; + } + + // Build the breadcrumb trail. + $output = '<div class="breadcrumb">'; + $output .= '<h2' . drupal_attributes($variables['title_attributes_array']) . '>' . $variables['title'] . '</h2>'; + $output .= implode($breadcrumb_separator, $breadcrumb) . $trailing_separator; + $output .= '</div>'; + } + } + + return $output; +} + +/** + * Duplicate of theme_menu_local_tasks() but adds clearfix to tabs. + */ +function zen_menu_local_tasks(&$variables) { + $output = ''; + + if ($primary = drupal_render($variables['primary'])) { + $output .= '<h2 class="element-invisible">' . t('Primary tabs') . '</h2>'; + $output .= '<ul class="tabs primary clearfix">' . $primary . '</ul>'; + } + if ($secondary = drupal_render($variables['secondary'])) { + $output .= '<h2 class="element-invisible">' . t('Secondary tabs') . '</h2>'; + $output .= '<ul class="tabs secondary clearfix">' . $secondary . '</ul>'; + } + + return $output; +} + +/** + * Override or insert variables into theme_menu_local_task(). + */ +function zen_preprocess_menu_local_task(&$variables) { + $link =& $variables['element']['#link']; + + // If the link does not contain HTML already, check_plain() it now. + // After we set 'html'=TRUE the link will not be sanitized by l(). + if (empty($link['localized_options']['html'])) { + $link['title'] = check_plain($link['title']); + } + $link['localized_options']['html'] = TRUE; + $link['title'] = '<span class="tab">' . $link['title'] . '</span>'; +} + +/** + * Adds conditional CSS from the .info file. + * + * Copy of conditional_styles_preprocess_html(). + */ +function zen_add_conditional_styles() { + // Make a list of base themes and the current theme. + $themes = $GLOBALS['base_theme_info']; + $themes[] = $GLOBALS['theme_info']; + foreach (array_keys($themes) as $key) { + $theme_path = dirname($themes[$key]->filename) . '/'; + if (isset($themes[$key]->info['stylesheets-conditional'])) { + foreach (array_keys($themes[$key]->info['stylesheets-conditional']) as $condition) { + foreach (array_keys($themes[$key]->info['stylesheets-conditional'][$condition]) as $media) { + foreach ($themes[$key]->info['stylesheets-conditional'][$condition][$media] as $stylesheet) { + // Add each conditional stylesheet. + drupal_add_css( + $theme_path . $stylesheet, + array( + 'group' => CSS_THEME, + 'browsers' => array( + 'IE' => $condition, + '!IE' => FALSE, + ), + 'weight' => 999, + 'every_page' => TRUE, + ) + ); + } + } + } + } + } +} + +/** + * Override or insert variables into the html template. + * + * @param $variables + * An array of variables to pass to the theme template. + * @param $hook + * The name of the template being rendered. This is usually "html", but can + * also be "maintenance_page" since zen_preprocess_maintenance_page() calls + * this function to have consistent variables. + */ +function zen_preprocess_html(&$variables, $hook) { + // If the user is silly and enables Zen as the theme, add some styles. + if ($GLOBALS['theme'] == 'zen') { + include_once './' . drupal_get_path('theme', 'zen') . '/zen-internals/template.zen.inc'; + _zen_preprocess_html($variables, $hook); + } + elseif (!module_exists('conditional_styles')) { + zen_add_conditional_styles(); + } + + $variables['jump_link_target'] = check_plain(theme_get_setting('zen_jump_link_target')); + $variables['jump_link_text'] = check_plain(theme_get_setting('zen_jump_link_text')); + + // Return early, so the maintenance page does not call any of the code below. + if ($hook != 'html') { + return; + } + + // Classes for body element. Allows advanced theming based on context + // (home page, node of certain type, etc.) + if (!$variables['is_front']) { + // Add unique class for each page. + $path = drupal_get_path_alias($_GET['q']); + // Add unique class for each website section. + list($section, ) = explode('/', $path, 2); + $arg = explode('/', $_GET['q']); + if ($arg[0] == 'node' && isset($arg[1])) { + if ($arg[1] == 'add') { + $section = 'node-add'; + } + elseif (isset($arg[2]) && is_numeric($arg[1]) && ($arg[2] == 'edit' || $arg[2] == 'delete')) { + $section = 'node-' . $arg[2]; + } + } + $variables['classes_array'][] = drupal_html_class('section-' . $section); + } + if (theme_get_setting('zen_wireframes')) { + $variables['classes_array'][] = 'with-wireframes'; // Optionally add the wireframes style. + } + // Store the menu item since it has some useful information. + $variables['menu_item'] = menu_get_item(); + if ($variables['menu_item']) { + switch ($variables['menu_item']['page_callback']) { + case 'views_page': + // Is this a Views page? + $variables['classes_array'][] = 'page-views'; + break; + case 'page_manager_page_execute': + case 'page_manager_node_view': + case 'page_manager_contact_site': + // Is this a Panels page? + $variables['classes_array'][] = 'page-panels'; + break; + } + } +} + +/** + * Override or insert variables into the page template. + * + * @param $variables + * An array of variables to pass to the theme template. + * @param $hook + * The name of the template being rendered ("page" in this case.) + */ +function zen_preprocess_page(&$variables, $hook) { + // Find the title of the menu used by the secondary links. + $secondary_links = variable_get('menu_secondary_links_source', 'user-menu'); + if ($secondary_links) { + $menus = function_exists('menu_get_menus') ? menu_get_menus() : menu_list_system_menus(); + $variables['secondary_menu_heading'] = $menus[$secondary_links]; + } + else { + $variables['secondary_menu_heading'] = ''; + } +} + +/** + * Override or insert variables into the maintenance page template. + * + * @param $variables + * An array of variables to pass to the theme template. + * @param $hook + * The name of the template being rendered ("maintenance_page" in this case.) + */ +function zen_preprocess_maintenance_page(&$variables, $hook) { + zen_preprocess_html($variables, $hook); +} + +/** + * Override or insert variables into the maintenance page template. + * + * @param $variables + * An array of variables to pass to the theme template. + * @param $hook + * The name of the template being rendered ("maintenance_page" in this case.) + */ +function zen_process_maintenance_page(&$variables, $hook) { + // Ensure default regions get a variable. Theme authors often forget to remove + // a deleted region's variable in maintenance-page.tpl. + foreach (array('header', 'navigation', 'highlighted', 'help', 'content', 'sidebar_first', 'sidebar_second', 'footer', 'bottom') as $region) { + if (!isset($variables[$region])) { + $variables[$region] = ''; + } + } +} + +/** + * Override or insert variables into the node templates. + * + * @param $variables + * An array of variables to pass to the theme template. + * @param $hook + * The name of the template being rendered ("node" in this case.) + */ +function zen_preprocess_node(&$variables, $hook) { + // Add $unpublished variable. + $variables['unpublished'] = (!$variables['status']) ? TRUE : FALSE; + + // Add a class for the view mode. + if (!$variables['teaser']) { + $variables['classes_array'][] = 'view-mode-' . $variables['view_mode']; + } + + // Add a class to show node is authored by current user. + if ($variables['uid'] && $variables['uid'] == $GLOBALS['user']->uid) { + $variables['classes_array'][] = 'node-by-viewer'; + } + + $variables['title_attributes_array']['class'][] = 'node-title'; +} + +/** + * Override or insert variables into the comment templates. + * + * @param $variables + * An array of variables to pass to the theme template. + * @param $hook + * The name of the template being rendered ("comment" in this case.) + */ +function zen_preprocess_comment(&$variables, $hook) { + // If comment subjects are disabled, don't display them. + if (variable_get('comment_subject_field_' . $variables['node']->type, 1) == 0) { + $variables['title'] = ''; + } + + // Zebra striping. + if ($variables['id'] == 1) { + $variables['classes_array'][] = 'first'; + } + if ($variables['id'] == $variables['node']->comment_count) { + $variables['classes_array'][] = 'last'; + } + $variables['classes_array'][] = $variables['zebra']; + + $variables['title_attributes_array']['class'][] = 'comment-title'; +} + +/** + * Preprocess variables for region.tpl.php + * + * @param $variables + * An array of variables to pass to the theme template. + * @param $hook + * The name of the template being rendered ("region" in this case.) + */ +function zen_preprocess_region(&$variables, $hook) { + // Sidebar regions get some extra classes and a common template suggestion. + if (strpos($variables['region'], 'sidebar_') === 0) { + $variables['classes_array'][] = 'column'; + $variables['classes_array'][] = 'sidebar'; + // Allow a region-specific template to override Zen's region--sidebar. + array_unshift($variables['theme_hook_suggestions'], 'region__sidebar'); + } +} + +/** + * Override or insert variables into the block templates. + * + * @param $variables + * An array of variables to pass to the theme template. + * @param $hook + * The name of the template being rendered ("block" in this case.) + */ +function zen_preprocess_block(&$variables, $hook) { + // Classes describing the position of the block within the region. + if ($variables['block_id'] == 1) { + $variables['classes_array'][] = 'first'; + } + // The last_in_region property is set in zen_page_alter(). + if (isset($variables['block']->last_in_region)) { + $variables['classes_array'][] = 'last'; + } + $variables['classes_array'][] = $variables['block_zebra']; + + $variables['title_attributes_array']['class'][] = 'block-title'; +} + +/** + * Override or insert variables into the block templates. + * + * @param $variables + * An array of variables to pass to the theme template. + * @param $hook + * The name of the template being rendered ("block" in this case.) + */ +function zen_process_block(&$variables, $hook) { + // Drupal 7 should use a $title variable instead of $block->subject. + $variables['title'] = $variables['block']->subject; +} + +/** + * Implements hook_page_alter(). + * + * Look for the last block in the region. This is impossible to determine from + * within a preprocess_block function. + * + * @param $page + * Nested array of renderable elements that make up the page. + */ +function zen_page_alter(&$page) { + // Look in each visible region for blocks. + foreach (system_region_list($GLOBALS['theme'], REGIONS_VISIBLE) as $region => $name) { + if (!empty($page[$region])) { + // Find the last block in the region. + $blocks = array_reverse(element_children($page[$region])); + while ($blocks && !isset($page[$region][$blocks[0]]['#block'])) { + array_shift($blocks); + } + if ($blocks) { + $page[$region][$blocks[0]]['#block']->last_in_region = TRUE; + } + } + } +} + +/** + * Implements hook_form_BASE_FORM_ID_alter(). + * + * Prevent user-facing field styling from screwing up node edit forms by + * renaming the classes on the node edit form's field wrappers. + */ +function zen_form_node_form_alter(&$form, &$form_state, $form_id) { + // Remove if #1245218 is backported to D7 core. + foreach (array_keys($form) as $item) { + if (strpos($item, 'field_') === 0) { + if (!empty($form[$item]['#attributes']['class'])) { + foreach ($form[$item]['#attributes']['class'] as &$class) { + if (strpos($class, 'field-type-') === 0 || strpos($class, 'field-name-') === 0) { + // Make the class different from that used in theme_field(). + $class = 'form-' . $class; + } + } + } + } + } +} |