<?php
-
/**
- * About this file
+ * @file
+ * Contains theme override functions and preprocess functions for the Zen theme.
*
- * The template.php file is one of the most useful files when creating templates. It allows you to place
- * all of your custom theme logic, plus specific Drupal related theme functions into one place. You should
- * place any code in here that directly affects your theme -- changing menu structures, styling content,
- * theming pages differently based on content, and so forth.
+ * 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')) {
+ drupal_rebuild_theme_registry();
+}
+
/**
- * Overriding theme functions
- *
- * Overriding theme functions in Drupal is the best way to alter the way Drupal themes various sections of
- * a website. Scattered throughout Drupal core and also used in downloaded, contribute modules, is the use
- * theme_some_function().
- *
- * This is a special type of function in Drupal as it can be overridden by the theme, by placing a copy of
- * that function in this file. Copy the entire contents of the function, then simply rename it using the name
- * of the theme the template.php lives in.
- *
- * original: theme_breadcrumb()
- * theme override: zen_breadcrumb()
- *
- * See the following example. In this theme, we want to change all of the breacrumb separator links from
- * a >> to an arrow -->
+ * Implements HOOK_theme().
*/
+function zen_theme(&$existing, $type, $theme, $path) {
+ // When #341140 is fixed, replace _zen_path() with drupal_get_path().
+ include_once './' . _zen_path() . '/zen-internals/template.theme-registry.inc';
+ return _zen_theme($existing, $type, $theme, $path);
+}
- /**
- * Return a themed breadcrumb trail.
- *
- * @param $breadcrumb
- * An array containing the breadcrumb links.
- * @return a string containing the breadcrumb output.
- */
- function zen_breadcrumb($breadcrumb) {
- if (!empty($breadcrumb)) {
- return '<div class="breadcrumb">'. implode(' → ', $breadcrumb) .'</div>';
- }
- }
-
-
/**
- * Creating new regions
+ * Return a themed breadcrumb trail.
*
- * If you wish to create new regions for your theme to place block content into, you want to override this
- * theme function. By declaring the variable name and giving it a human readable name, you create new regions
- * for your theme that are then available on the administer > site building > blocks page. On this page you can
- * then select which regions various blocks should be placed.
+ * @param $breadcrumb
+ * An array containing the breadcrumb links.
+ * @return
+ * A string containing the breadcrumb output.
*/
-
+function zen_breadcrumb($breadcrumb) {
+ // 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 = theme_get_setting('zen_breadcrumb_separator');
+ $trailing_separator = $title = '';
+ if (theme_get_setting('zen_breadcrumb_title')) {
+ if ($title = drupal_get_title()) {
+ $trailing_separator = $breadcrumb_separator;
+ }
+ }
+ elseif (theme_get_setting('zen_breadcrumb_trailing')) {
+ $trailing_separator = $breadcrumb_separator;
+ }
+ return '<div class="breadcrumb">' . implode($breadcrumb_separator, $breadcrumb) . "$trailing_separator$title</div>";
+ }
+ }
+ // Otherwise, return an empty string.
+ return '';
+}
+
/**
- * Declare the available regions implemented by this engine.
+ * Return a themed set of links.
*
+ * @param $links
+ * A keyed array of links to be themed.
+ * @param $attributes
+ * A keyed array of attributes
+ * @param $heading
+ * An optional keyed array or a string for a heading to precede the links.
+ * When using an array the following keys can be used:
+ * - text: the heading text
+ * - level: the heading level (e.g. 'h2', 'h3')
+ * - class: (optional) a string of the CSS classes for the heading
+ * When using a string it will be used as the text of the heading and the
+ * level will default to 'h2'.
+ * Headings should be used on navigation menus and any list of links that
+ * consistently appears on multiple pages. To make the heading invisible
+ * use the 'element-invisible' CSS class. Do not use 'display:none', which
+ * removes it from screen-readers and assistive technology. Headings allow
+ * screen-reader and keyboard only users to navigate to or skip the links.
+ * See http://juicystudio.com/article/screen-readers-display-none.php
+ * and http://www.w3.org/TR/WCAG-TECHS/H42.html for more information.
* @return
- * An array of regions. The first array element will be used as the default region for themes.
+ * A string containing an unordered list of links.
+ */
+function zen_links($links, $attributes = array('class' => 'links'), $heading = '') {
+ global $language;
+ $output = '';
+
+ if (count($links) > 0) {
+ // 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,
+ // Set the default level of the heading.
+ 'level' => 'h2',
+ );
+ }
+ $output .= '<' . $heading['level'];
+ if (!empty($heading['class'])) {
+ $output .= drupal_attributes(array('class' => $heading['class']));
+ }
+ $output .= '>' . check_plain($heading['text']) . '</' . $heading['level'] . '>';
+ }
+
+ $output .= '<ul'. drupal_attributes($attributes) .'>';
+
+ $num_links = count($links);
+ $i = 1;
+
+ foreach ($links as $key => $link) {
+ $class = $key;
+
+ // Add first, last and active classes to the list of links to help out themers.
+ if ($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->language)) {
+ $class .= ' active';
+ }
+ $output .= '<li'. drupal_attributes(array('class' => $class)) .'>';
+
+ if (isset($link['href'])) {
+ // Pass in $link as $options, they share the same keys.
+ $output .= l($link['title'], $link['href'], $link);
+ }
+ else if (!empty($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 .= '<span'. $span_attributes .'>'. $link['title'] .'</span>';
+ }
+
+ $i++;
+ $output .= "</li>\n";
+ }
+
+ $output .= '</ul>';
+ }
+
+ return $output;
+}
+
+/**
+ * Implements theme_menu_item_link()
*/
-function zen_regions() {
- return array(
- 'left' => t('left sidebar'),
- 'right' => t('right sidebar'),
- 'content_top' => t('content top'),
- 'content_bottom' => t('content bottom'),
- 'header' => t('header'),
- 'footer' => t('footer')
- );
+function zen_menu_item_link($link) {
+ if (empty($link['localized_options'])) {
+ $link['localized_options'] = array();
+ }
+
+ // If an item is a LOCAL TASK, render it as a tab
+ if ($link['type'] & MENU_IS_LOCAL_TASK) {
+ $link['title'] = '<span class="tab">' . check_plain($link['title']) . '</span>';
+ $link['localized_options']['html'] = TRUE;
+ }
+
+ return l($link['title'], $link['href'], $link['localized_options']);
}
+/**
+ * Duplicate of theme_menu_local_tasks() but adds clearfix to tabs.
+ */
+function zen_menu_local_tasks() {
+ $output = '';
+
+ // CTools requires a different set of local task functions.
+ if (module_exists('ctools')) {
+ ctools_include('menu');
+ $primary = ctools_menu_primary_local_tasks();
+ $secondary = ctools_menu_secondary_local_tasks();
+ }
+ else {
+ $primary = menu_primary_local_tasks();
+ $secondary = menu_secondary_local_tasks();
+ }
+
+ if ($primary) {
+ $output .= '<ul class="tabs primary clearfix">' . $primary . '</ul>';
+ }
+ if ($secondary) {
+ $output .= '<ul class="tabs secondary clearfix">' . $secondary . '</ul>';
+ }
+
+ return $output;
+}
-/**
- * Creating new variables for your theme
+/**
+ * Return a set of blocks available for the current user.
*
- * The most powerful function available to themers is the _phptemplate_variables() function. It allows you
- * to pass newly created variables to different template files in your theme. Or even unset ones you don't want
- * to use.
+ * @param $region
+ * Which set of blocks to retrieve.
+ * @param $show_blocks
+ * A boolean to determine whether to render sidebar regions or not. Should be
+ * the same value as passed to theme_page.
+ * @return
+ * A string containing the themed blocks for this region.
+ *
+ * @see zen_show_blocks_discovery()
+ */
+function zen_blocks($region, $show_blocks = NULL) {
+ // Since Drupal 6 doesn't pass $show_blocks to theme_blocks, we manually call
+ // theme('blocks', NULL, $show_blocks) so that this function can remember the
+ // value on later calls.
+ static $render_sidebars = TRUE;
+ if (!is_null($show_blocks)) {
+ $render_sidebars = $show_blocks;
+ }
+
+ // If zen_blocks was called with a NULL region, its likely we were just
+ // setting the $render_sidebars static variable.
+ if ($region) {
+ $output = '';
+
+ // If $renders_sidebars is FALSE, don't render any region whose name begins
+ // with "sidebar_".
+ if ($render_sidebars || (strpos($region, 'sidebar_') !== 0)) {
+ // Allow context module to set blocks.
+ if (function_exists('context_blocks')) {
+ $output = context_blocks($region);
+ }
+ else {
+ foreach (block_list($region) as $key => $block) {
+ // $key == module_delta
+ $output .= theme('block', $block);
+ }
+ }
+ }
+
+ // Add any content assigned to this region through drupal_set_content() calls.
+ $output .= drupal_get_content($region);
+
+ $elements['#children'] = $output;
+ $elements['#region'] = $region;
+
+ // Set the theme hook suggestions.
+ $hook = array('region_' . $region);
+ if (strpos($region, 'sidebar_') === 0) {
+ $hook[] = 'region_sidebar';
+ }
+ $hook[] = 'region';
+ return $output ? theme($hook, $elements) : '';
+ }
+}
+
+/**
+ * Examine the $show_blocks variable before template_preprocess_page() is called.
*
- * It works by switching on the hook, which can be:
- * - page
- * - node
- * - comment
- * - block
+ * @param $vars
+ * An array of variables to pass to the page template.
*
- * By switching on this hook you can send different variables to your main page.tpl.php file, your node.tpl.php
- * (and any other derivative node template file, like node-page.tpl.php), comment.tpl.php, and block.tpl.php
+ * @see zen_blocks()
+ */
+function zen_show_blocks_discovery(&$vars) {
+ if ($vars['show_blocks'] == FALSE) {
+ // Allow zen_blocks() to statically cache the $show_blocks variable. A TRUE
+ // value is assumed, so we only need to override when $show_blocks is FALSE.
+ theme('blocks', NULL, FALSE);
+ }
+}
+
+/**
+ * Override or insert variables into templates before other preprocess functions have run.
*
+ * @param $vars
+ * An array of variables to pass to the theme template.
+ * @param $hook
+ * The name of the template being rendered.
*/
+function zen_preprocess(&$vars, $hook) {
+ // In D6, the page.tpl uses a different variable name to hold the classes.
+ $key = ($hook == 'page' || $hook == 'maintenance_page') ? 'body_classes' : 'classes';
+
+ // Create a D7-standard classes_array variable.
+ if (array_key_exists($key, $vars)) {
+ // Views (and possibly other modules) have templates with a $classes
+ // variable that isn't a string, so we leave those variables alone.
+ if (is_string($vars[$key])) {
+ $vars['classes_array'] = explode(' ', $hook . ' ' . $vars[$key]);
+ unset($vars[$key]);
+ }
+ }
+ else {
+ $vars['classes_array'] = array($hook);
+ }
+ // Add support for Skinr
+ if (!empty($vars['skinr']) && array_key_exists('classes_array', $vars)) {
+ $vars['classes_array'][] = $vars['skinr'];
+ }
+}
/**
- * Intercept template variables
+ * Override or insert variables into the page templates.
*
+ * @param $vars
+ * An array of variables to pass to the theme template.
* @param $hook
- * The name of the theme function being executed
+ * The name of the template being rendered ("page" in this case.)
+ */
+function zen_preprocess_page(&$vars, $hook) {
+ // If the user is silly and enables Zen as the theme, add some styles.
+ if ($GLOBALS['theme'] == 'zen') {
+ include_once './' . _zen_path() . '/zen-internals/template.zen.inc';
+ _zen_preprocess_page($vars, $hook);
+ }
+ // Add conditional stylesheets.
+ elseif (!module_exists('conditional_styles')) {
+ $language = $GLOBALS['language']->direction == LANGUAGE_RTL ? '_rtl' : '';
+ $vars['conditional_styles'] = variable_get('conditional_styles_' . $GLOBALS['theme'] . $language, '');
+ $vars['styles'] .= $vars['conditional_styles'];
+ }
+
+ // Classes for body element. Allows advanced theming based on context
+ // (home page, node of certain type, etc.)
+ // Remove the mostly useless page-ARG0 class.
+ if ($index = array_search(preg_replace('![^abcdefghijklmnopqrstuvwxyz0-9-_]+!s', '', 'page-'. drupal_strtolower(arg(0))), $vars['classes_array'])) {
+ unset($vars['classes_array'][$index]);
+ }
+ if (!$vars['is_front']) {
+ // Add unique class for each page.
+ $path = drupal_get_path_alias($_GET['q']);
+ $vars['classes_array'][] = drupal_html_class('page-' . $path);
+ // Add unique class for each website section.
+ list($section, ) = explode('/', $path, 2);
+ if (arg(0) == 'node') {
+ if (arg(1) == 'add') {
+ $section = 'node-add';
+ }
+ elseif (is_numeric(arg(1)) && (arg(2) == 'edit' || arg(2) == 'delete')) {
+ $section = 'node-' . arg(2);
+ }
+ }
+ $vars['classes_array'][] = drupal_html_class('section-' . $section);
+ }
+ if (theme_get_setting('zen_wireframes')) {
+ $vars['classes_array'][] = 'with-wireframes'; // Optionally add the wireframes style.
+ }
+ // We need to re-do the $layout and body classes because
+ // template_preprocess_page() assumes sidebars are named 'left' and 'right'.
+ $vars['layout'] = 'none';
+ if (!empty($vars['sidebar_first'])) {
+ $vars['layout'] = 'first';
+ }
+ if (!empty($vars['sidebar_second'])) {
+ $vars['layout'] = ($vars['layout'] == 'first') ? 'both' : 'second';
+ }
+ // If the layout is 'none', then template_preprocess_page() will already have
+ // set a 'no-sidebars' class since it won't find a 'left' or 'right' sidebar.
+ if ($vars['layout'] != 'none') {
+ // Remove the incorrect 'no-sidebars' class.
+ if ($index = array_search('no-sidebars', $vars['classes_array'])) {
+ unset($vars['classes_array'][$index]);
+ }
+ // Set the proper layout body classes.
+ if ($vars['layout'] == 'both') {
+ $vars['classes_array'][] = 'two-sidebars';
+ }
+ else {
+ $vars['classes_array'][] = 'one-sidebar';
+ $vars['classes_array'][] = 'sidebar-' . $vars['layout'];
+ }
+ }
+ // Store the menu item since it has some useful information.
+ $vars['menu_item'] = menu_get_item();
+ switch ($vars['menu_item']['page_callback']) {
+ case 'views_page':
+ // Is this a Views page?
+ $vars['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?
+ $vars['classes_array'][] = 'page-panels';
+ break;
+ }
+}
+
+/**
+ * Override or insert variables into the maintenance page template.
+ *
* @param $vars
- * A sequential array of variables passed to the theme function.
+ * An array of variables to pass to the theme template.
+ * @param $hook
+ * The name of the template being rendered ("maintenance_page" in this case.)
*/
+function zen_preprocess_maintenance_page(&$vars, $hook) {
+ // If Zen is the maintenance theme, add some styles.
+ if ($GLOBALS['theme'] == 'zen') {
+ include_once './' . _zen_path() . '/zen-internals/template.zen.inc';
+ _zen_preprocess_page($vars, $hook);
+ }
+ // Add conditional stylesheets.
+ elseif (!module_exists('conditional_styles')) {
+ $language = $GLOBALS['language']->direction == LANGUAGE_RTL ? '_rtl' : '';
+ $vars['conditional_styles'] = variable_get('conditional_styles_' . $GLOBALS['theme'] . $language, '');
+ $vars['styles'] .= $vars['conditional_styles'];
+ }
+}
/**
- * Note this is just an example so it is commented out
+ * Override or insert variables into the node templates.
*
-
-function _phptemplate_variables($hook, $vars = array()) {
-
- // variable available to all template files
- $vars['img_path'] = my_custom_function_get_image_path_to_my_image_server();
-
- switch ($hook) {
- case 'page':
- // if we're on the homepage we want to load a different template file
- if ($vars['is_front']) {
- $vars['template_file'] = 'page-index.tpl.php';
+ * @param $vars
+ * An array of variables to pass to the theme template.
+ * @param $hook
+ * The name of the template being rendered ("node" in this case.)
+ */
+function zen_preprocess_node(&$vars, $hook) {
+ // Create the build_mode variable.
+ switch ($vars['node']->build_mode) {
+ case NODE_BUILD_NORMAL:
+ if ($vars['node']->build_mode === NODE_BUILD_NORMAL) {
+ $vars['build_mode'] = $vars['teaser'] ? 'teaser' : 'full';
}
-
+ else {
+ $vars['build_mode'] = $vars['node']->build_mode;
+ }
+ break;
+ case NODE_BUILD_PREVIEW:
+ $vars['build_mode'] = 'preview';
+ break;
+ case NODE_BUILD_SEARCH_INDEX:
+ $vars['build_mode'] = 'search_index';
+ break;
+ case NODE_BUILD_SEARCH_RESULT:
+ $vars['build_mode'] = 'search_result';
+ break;
+ case NODE_BUILD_RSS:
+ $vars['build_mode'] = 'rss';
break;
-
- case 'node':
- // get the currently logged in user
- global $user;
-
- // set a new $is_admin variable
- // this is determined by looking at the currently logged in user and seeing if they are in the role 'admin'
- $vars['is_admin'] = in_array('admin', $user->roles);
+ case NODE_BUILD_PRINT:
+ $vars['build_mode'] = 'print';
break;
+ default:
+ $vars['build_mode'] = $vars['node']->build_mode;
+ }
+
+ // Create the user_picture variable.
+ $vars['user_picture'] = $vars['picture'];
+
+ // Create the Drupal 7 $display_submitted variable.
+ $vars['display_submitted'] = theme_get_setting('toggle_node_info_' . $vars['node']->type);
+
+ // Special classes for nodes.
+ // Class for node type: "node-type-page", "node-type-story", "node-type-my-custom-type", etc.
+ $vars['classes_array'][] = drupal_html_class('node-type-' . $vars['type']);
+ if ($vars['promote']) {
+ $vars['classes_array'][] = 'node-promoted';
+ }
+ if ($vars['sticky']) {
+ $vars['classes_array'][] = 'node-sticky';
+ }
+ if (!$vars['status']) {
+ $vars['classes_array'][] = 'node-unpublished';
+ $vars['unpublished'] = TRUE;
+ }
+ else {
+ $vars['unpublished'] = FALSE;
+ }
+ if ($vars['uid'] && $vars['uid'] == $GLOBALS['user']->uid) {
+ $vars['classes_array'][] = 'node-by-viewer'; // Node is authored by current user.
+ }
+ if ($vars['teaser']) {
+ $vars['classes_array'][] = 'node-teaser'; // Node is displayed as teaser.
+ }
+ if (isset($vars['preview'])) {
+ $vars['classes_array'][] = 'node-preview';
+ }
+ $vars['classes_array'][] = 'build-mode-' . $vars['build_mode'] ;
+}
+
+/**
+ * Override or insert variables into the comment templates.
+ *
+ * @param $vars
+ * An array of variables to pass to the theme template.
+ * @param $hook
+ * The name of the template being rendered ("comment" in this case.)
+ */
+function zen_preprocess_comment(&$vars, $hook) {
+ include_once './' . _zen_path() . '/zen-internals/template.comment.inc';
+ _zen_preprocess_comment($vars, $hook);
+}
+
+/**
+ * Preprocess variables for region.tpl.php
+ *
+ * Prepare the values passed to the theme_region function to be passed into a
+ * pluggable template engine.
+ *
+ * @see region.tpl.php
+ */
+function zen_preprocess_region(&$vars, $hook) {
+ // Create the $content variable that templates expect.
+ $vars['content'] = $vars['elements']['#children'];
+ $vars['region'] = $vars['elements']['#region'];
+
+ // Setup the default classes.
+ $vars['classes_array'] = array('region', 'region-' . str_replace('_', '-', $vars['region']));
+
+ // Sidebar regions get a couple extra classes.
+ if (strpos($vars['region'], 'sidebar_') === 0) {
+ $vars['classes_array'][] = 'column';
+ $vars['classes_array'][] = 'sidebar';
+ }
+}
+
+/**
+ * Override or insert variables into the block templates.
+ *
+ * @param $vars
+ * An array of variables to pass to the theme template.
+ * @param $hook
+ * The name of the template being rendered ("block" in this case.)
+ */
+function zen_preprocess_block(&$vars, $hook) {
+ $block = $vars['block'];
+
+ // Drupal 7 uses a $content variable instead of $block->content.
+ $vars['content'] = $block->content;
+ // Drupal 7 should use a $title variable instead of $block->subject.
+ $vars['title'] = $block->subject;
+
+ // Special classes for blocks.
+ $vars['classes_array'][] = 'block-' . $block->module;
+ // Classes describing the position of the block within the region.
+ if ($vars['block_id'] == 1) {
+ $vars['classes_array'][] = 'first';
+ }
+ if (!function_exists('context_blocks') && count(block_list($vars['block']->region)) == $vars['block_id']) {
+ $vars['classes_array'][] = 'last';
+ }
+ $vars['classes_array'][] = 'region-' . $vars['block_zebra'];
+ $vars['classes_array'][] = $vars['zebra'];
+ $vars['classes_array'][] = 'region-count-' . $vars['block_id'];
+ $vars['classes_array'][] = 'count-' . $vars['id'];
+
+ // Create the block ID.
+ $vars['block_html_id'] = 'block-' . $block->module . '-' . $block->delta;
+
+ $vars['edit_links_array'] = array();
+ if (theme_get_setting('zen_block_editing') && user_access('administer blocks')) {
+ include_once './' . _zen_path() . '/zen-internals/template.block-editing.inc';
+ zen_preprocess_block_editing($vars, $hook);
+ $vars['classes_array'][] = 'with-block-editing';
+ }
+}
+
+/**
+ * Override or insert variables into templates after preprocess functions have run.
+ *
+ * @param $vars
+ * An array of variables to pass to the theme template.
+ * @param $hook
+ * The name of the template being rendered.
+ */
+function zen_process(&$vars, $hook) {
+ // Don't clobber Views 3 classes.
+ if (array_key_exists('classes_array', $vars) && !array_key_exists('classes', $vars)) {
+ $vars['classes'] = implode(' ', $vars['classes_array']);
}
-
- return $vars;
}
+/**
+ * Override or insert variables into the block templates after preprocess functions have run.
+ *
+ * @param $vars
+ * An array of variables to pass to the theme template.
+ * @param $hook
+ * The name of the template being rendered ("block" in this case.)
+ */
+function zen_process_block(&$vars, $hook) {
+ $vars['edit_links'] = !empty($vars['edit_links_array']) ? '<div class="edit">' . implode(' ', $vars['edit_links_array']) . '</div>' : '';
+}
+
+if (!function_exists('drupal_html_class')) {
+ /**
+ * Prepare a string for use as a valid class name.
+ *
+ * Do not pass one string containing multiple classes as they will be
+ * incorrectly concatenated with dashes, i.e. "one two" will become "one-two".
+ *
+ * @param $class
+ * The class name to clean.
+ * @return
+ * The cleaned class name.
+ */
+ function drupal_html_class($class) {
+ // By default, we filter using Drupal's coding standards.
+ $class = strtr(drupal_strtolower($class), array(' ' => '-', '_' => '-', '/' => '-', '[' => '-', ']' => ''));
+
+ // http://www.w3.org/TR/CSS21/syndata.html#characters shows the syntax for valid
+ // CSS identifiers (including element names, classes, and IDs in selectors.)
+ //
+ // Valid characters in a CSS identifier are:
+ // - the hyphen (U+002D)
+ // - a-z (U+0030 - U+0039)
+ // - A-Z (U+0041 - U+005A)
+ // - the underscore (U+005F)
+ // - 0-9 (U+0061 - U+007A)
+ // - ISO 10646 characters U+00A1 and higher
+ // We strip out any character not in the above list.
+ $class = preg_replace('/[^\x{002D}\x{0030}-\x{0039}\x{0041}-\x{005A}\x{005F}\x{0061}-\x{007A}\x{00A1}-\x{FFFF}]/u', '', $class);
+
+ return $class;
+ }
+} /* End of drupal_html_class conditional definition. */
+
+if (!function_exists('drupal_html_id')) {
+ /**
+ * Prepare a string for use as a valid HTML ID and guarantee uniqueness.
+ *
+ * @param $id
+ * The ID to clean.
+ * @return
+ * The cleaned ID.
+ */
+ function drupal_html_id($id) {
+ $id = strtr(drupal_strtolower($id), array(' ' => '-', '_' => '-', '[' => '-', ']' => ''));
+
+ // As defined in http://www.w3.org/TR/html4/types.html#type-name, HTML IDs can
+ // only contain letters, digits ([0-9]), hyphens ("-"), underscores ("_"),
+ // colons (":"), and periods ("."). We strip out any character not in that
+ // list. Note that the CSS spec doesn't allow colons or periods in identifiers
+ // (http://www.w3.org/TR/CSS21/syndata.html#characters), so we strip those two
+ // characters as well.
+ $id = preg_replace('/[^A-Za-z0-9\-_]/', '', $id);
+
+ return $id;
+ }
+} /* End of drupal_html_id conditional definition. */
+
+/**
+ * Returns the path to the Zen theme.
*
+ * drupal_get_filename() is broken; see #341140. When that is fixed in Drupal 6,
+ * replace _zen_path() with drupal_get_path('theme', 'zen').
*/
-
\ No newline at end of file
+function _zen_path() {
+ static $path = FALSE;
+ if (!$path) {
+ $matches = drupal_system_listing('zen\.info$', 'themes', 'name', 0);
+ if (!empty($matches['zen']->filename)) {
+ $path = dirname($matches['zen']->filename);
+ }
+ }
+ return $path;
+}
projects / project/zen.git / blobdiff