<?php
-// $Id$
-
/**
* @file
* Contains theme override functions and preprocess functions for the Zen theme.
$breadcrumb_separator = theme_get_setting('zen_breadcrumb_separator');
$trailing_separator = $title = '';
if (theme_get_setting('zen_breadcrumb_title')) {
- $trailing_separator = $breadcrumb_separator;
- $title = drupal_get_title();
+ if ($title = drupal_get_title()) {
+ $trailing_separator = $breadcrumb_separator;
+ }
}
elseif (theme_get_setting('zen_breadcrumb_trailing')) {
$trailing_separator = $breadcrumb_separator;
}
/**
+ * Return a themed set of links.
+ *
+ * @param $links
+ * A keyed array of links to be themed.
+ * @param $attributes
+ * A keyed array of attributes
+ * @param $heading
+ * An optional keyed array or a string for a heading to precede the links.
+ * When using an array the following keys can be used:
+ * - text: the heading text
+ * - level: the heading level (e.g. 'h2', 'h3')
+ * - class: (optional) a string of the CSS classes for the heading
+ * When using a string it will be used as the text of the heading and the
+ * level will default to 'h2'.
+ * Headings should be used on navigation menus and any list of links that
+ * consistently appears on multiple pages. To make the heading invisible
+ * use the 'element-invisible' CSS class. Do not use 'display:none', which
+ * removes it from screen-readers and assistive technology. Headings allow
+ * screen-reader and keyboard only users to navigate to or skip the links.
+ * See http://juicystudio.com/article/screen-readers-display-none.php
+ * and http://www.w3.org/TR/WCAG-TECHS/H42.html for more information.
+ * @return
+ * A string containing an unordered list of links.
+ */
+function zen_links($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 $output;
+}
+
+/**
* Implements theme_menu_item_link()
*/
function zen_menu_item_link($link) {
}
/**
- * Duplicate of theme_menu_local_tasks() but adds clear-block to tabs.
+ * Duplicate of theme_menu_local_tasks() but adds clearfix to tabs.
*/
function zen_menu_local_tasks() {
$output = '';
- if ($primary = menu_primary_local_tasks()) {
- $output .= '<ul class="tabs primary clear-block">' . $primary . '</ul>';
+ // CTools requires a different set of local task functions.
+ if (module_exists('ctools')) {
+ ctools_include('menu');
+ $primary = ctools_menu_primary_local_tasks();
+ $secondary = ctools_menu_secondary_local_tasks();
}
- if ($secondary = menu_secondary_local_tasks()) {
- $output .= '<ul class="tabs secondary clear-block">' . $secondary . '</ul>';
+ 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;
*
* @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) {
- $output = '';
+function zen_blocks($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 = $show_blocks;
+ }
- if ($list = block_list($region)) {
- foreach ($list as $key => $block) {
- // $key == module_delta
- $output .= theme('block', $block);
+ // 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);
+ // Add any content assigned to this region through drupal_set_content() calls.
+ $output .= drupal_get_content($region);
- $elements['#children'] = $output;
- $elements['#region'] = $region;
+ $elements['#children'] = $output;
+ $elements['#region'] = $region;
- return $output ? theme('region', $elements) : '';
+ // 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.
+ *
+ * @param $vars
+ * An array of variables to pass to the page template.
+ *
+ * @see zen_blocks()
+ */
+function zen_show_blocks_discovery(&$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);
+ }
}
/**
// 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(' ', $vars[$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'];
+ }
}
/**
}
// Add conditional stylesheets.
elseif (!module_exists('conditional_styles')) {
- $vars['styles'] .= $vars['conditional_styles'] = variable_get('conditional_styles_' . $GLOBALS['theme'], '');
+ $language = $GLOBALS['language']->direction == LANGUAGE_RTL ? '_rtl' : '';
+ $vars['conditional_styles'] = variable_get('conditional_styles_' . $GLOBALS['theme'] . $language, '');
+ $vars['styles'] .= $vars['conditional_styles'];
}
// Classes for body element. Allows advanced theming based on context
if (!$vars['is_front']) {
// Add unique class for each page.
$path = drupal_get_path_alias($_GET['q']);
- $vars['classes_array'][] = zen_id_safe('page-' . $path);
+ $vars['classes_array'][] = drupal_html_class('page-' . $path);
// Add unique class for each website section.
list($section, ) = explode('/', $path, 2);
if (arg(0) == 'node') {
$section = 'node-' . arg(2);
}
}
- $vars['classes_array'][] = zen_id_safe('section-' . $section);
+ $vars['classes_array'][] = drupal_html_class('section-' . $section);
}
if (theme_get_setting('zen_wireframes')) {
$vars['classes_array'][] = 'with-wireframes'; // Optionally add the wireframes style.
}
- // Add new sidebar classes in addition to Drupal core's sidebar-* classes.
- // This provides some backwards compatibility with Zen 6.x-1.x themes.
- if ($vars['layout'] != 'both') {
- $new_layout = ($vars['layout'] == 'left') ? 'first' : 'second';
- if (array_search('sidebar-' . $vars['layout'], $vars['classes_array'])) {
- $vars['classes_array'][] = 'sidebar-' . $new_layout;
+ // 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'];
}
- // Replace core's $layout variable with our naming of sidebars.
- $vars['layout'] = $new_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;
}
}
}
// Add conditional stylesheets.
elseif (!module_exists('conditional_styles')) {
- $vars['styles'] .= $vars['conditional_styles'] = variable_get('conditional_styles_' . $GLOBALS['theme'], '');
+ $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.)
- $vars['body_classes_array'] = explode(' ', $vars['body_classes']);
}
/**
// Create the build_mode variable.
switch ($vars['node']->build_mode) {
case NODE_BUILD_NORMAL:
- $vars['build_mode'] = $vars['teaser'] ? 'teaser' : 'full';
+ if ($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';
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'][] = zen_id_safe('node-type-' . $vars['type']);
+ $vars['classes_array'][] = drupal_html_class('node-type-' . $vars['type']);
if ($vars['promote']) {
$vars['classes_array'][] = 'node-promoted';
}
$vars['unpublished'] = FALSE;
}
if ($vars['uid'] && $vars['uid'] == $GLOBALS['user']->uid) {
- $vars['classes_array'][] = 'node-mine'; // Node is authored by current user.
+ $vars['classes_array'][] = 'node-by-viewer'; // Node is authored by current user.
}
if ($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'] ;
}
/**
* Preprocess variables for region.tpl.php
*
* Prepare the values passed to the theme_region function to be passed into a
- * pluggable template engine. Uses the region name to generate a template file
- * suggestions. If none are found, the default region.tpl.php is used.
+ * pluggable template engine.
*
* @see region.tpl.php
*/
$vars['content'] = $vars['elements']['#children'];
$vars['region'] = $vars['elements']['#region'];
- $region = 'region-' . str_replace('_', '-', $vars['region']);
- $vars['classes_array'] = array('region', $region);
- if ($vars['region'] == 'navbar') {
- $vars['classes_array'][] = 'clearfix';
+ // 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';
}
- $vars['template_files'][] = $region;
}
/**
function zen_preprocess_block(&$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;
+
$vars['edit_links_array'] = array();
if (theme_get_setting('zen_block_editing') && user_access('administer blocks')) {
include_once './' . _zen_path() . '/zen-internals/template.block-editing.inc';
* The name of the template being rendered.
*/
function zen_process(&$vars, $hook) {
- if (array_key_exists('classes_array', $vars)) {
+ // Don't clobber Views 3 classes.
+ if (array_key_exists('classes_array', $vars) && !array_key_exists('classes', $vars)) {
$vars['classes'] = implode(' ', $vars['classes_array']);
}
}
$vars['edit_links'] = !empty($vars['edit_links_array']) ? '<div class="edit">' . implode(' ', $vars['edit_links_array']) . '</div>' : '';
}
-/**
- * Converts a string to a suitable html ID attribute.
- *
- * http://www.w3.org/TR/html4/struct/global.html#h-7.5.2 specifies what makes a
- * valid ID attribute in HTML. This function:
- *
- * - Ensure an ID starts with an alpha character by optionally adding an 'id'.
- * - Replaces any character except alphanumeric characters with dashes.
- * - Converts entire string to lowercase.
- *
- * @param $string
- * The string
- * @return
- * The converted string
- */
-function zen_id_safe($string) {
- // Replace with dashes anything that isn't A-Z, numbers, dashes, or underscores.
- $string = strtolower(preg_replace('/[^a-zA-Z0-9-]+/', '-', $string));
- // If the first character is not a-z, add 'id' in front.
- if (!ctype_lower($string{0})) { // Don't use ctype_alpha since its locale aware.
- $string = 'id' . $string;
- }
- return $string;
-}
+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.