' . implode($breadcrumb_separator, $breadcrumb) . "$trailing_separator$title";
}
}
// Otherwise, return an empty string.
return '';
}
/**
* Duplicate of theme_menu_local_tasks() but adds clearfix to tabs.
*/
function zen_menu_local_tasks() {
$output = array();
if ($primary = menu_primary_local_tasks()) {
$primary['#prefix'] = '';
$primary['#suffix'] = '
';
$output[] = $primary;
}
if ($secondary = menu_secondary_local_tasks()) {
$secondary['#prefix'] = '';
$secondary['#suffix'] = '
';
$output[] = $secondary;
}
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'] = '' . $link['title'] . '';
}
/**
* Override or insert variables into the html template.
*
* @param $vars
* An array of variables to pass to the theme template.
* @param $hook
* The name of the template being rendered ("html" in this case.)
*/
function zen_preprocess_html(&$vars, $hook) {
// If the user is silly and enables Zen as the theme, add some styles.
if ($GLOBALS['theme'] == 'zen') {
include_once './' . drupal_get_path('theme', 'zen') . '/zen-internals/template.zen.inc';
_zen_preprocess_html($vars, $hook);
}
// Classes for body element. Allows advanced theming based on context
// (home page, node of certain type, etc.)
if (!$vars['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);
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.
}
}
/**
* Override or insert variables into the html template.
*
* @param $vars
* An array of variables to pass to the theme template.
* @param $hook
* The name of the template being rendered ("html" in this case.)
*/
function zen_process_html(&$vars, $hook) {
// Add conditional stylesheets.
if ($GLOBALS['theme'] == 'zen') {
_zen_process_html($vars, $hook);
}
elseif (!module_exists('conditional_styles')) {
$vars['styles'] .= $vars['conditional_styles'] = variable_get('conditional_styles_' . $GLOBALS['theme'], '');
}
}
/**
* Override or insert variables into the maintenance page template.
*
* @param $vars
* 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 './' . drupal_get_path('theme', 'zen') . '/zen-internals/template.zen.inc';
_zen_preprocess_html($vars, $hook);
}
// Add conditional stylesheets.
elseif (!module_exists('conditional_styles')) {
$vars['styles'] .= $vars['conditional_styles'] = variable_get('conditional_styles_' . $GLOBALS['theme'], '');
}
// 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']);
}
/**
* Override or insert variables into the node templates.
*
* @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) {
// $node_title is idiotic.
$vars['title'] = $vars['node_title'];
// 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';
}
}
/**
* 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, $hook) {
include_once './' . drupal_get_path('theme', 'zen') . '/zen-internals/template.comment.inc';
_zen_preprocess_comment($vars, $hook);
}
/**
* Preprocess variables for region.tpl.php
*
* Prepare the values passed to the theme_region function to be passed into a
* pluggable template engine. Uses the region name to generate a template file
* suggestions. If none are found, the default region.tpl.php is used.
*
* @see region.tpl.php
*/
function zen_preprocess_region(&$vars, $hook) {
// Sidebar regions get a common template suggestion a couple extra classes.
if (strpos($vars['region'], 'sidebar_') === 0) {
$vars['template_files'][] = 'region-sidebar';
$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 should use a $title variable instead of $block->subject.
$vars['title'] = $block->subject;
// Special classes for blocks.
$vars['classes_array'][] = 'block-' . $block->module;
$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'];
}