' . $variables['title'] . '';
return '' . $heading . implode($breadcrumb_separator, $breadcrumb) . $trailing_separator . $title . '
';
}
}
// Otherwise, return an empty string.
return '';
}
/**
* Duplicate of theme_menu_local_tasks() but adds clearfix to tabs.
*/
function zen_menu_local_tasks(&$variables) {
$output = '';
if ($primary = drupal_render($variables['primary'])) {
$output .= '' . t('Primary tabs') . '
';
$output .= '';
}
if ($secondary = drupal_render($variables['secondary'])) {
$output .= '' . t('Secondary tabs') . '
';
$output .= '';
}
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'] . '';
}
/**
* 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,
),
'every_page' => TRUE,
)
);
}
}
}
}
}
}
/**
* Override or insert variables into the html template.
*
* @param $variables
* An array of variables to pass to the theme template.
* @param $hook
* The name of the template being rendered ("html" in this case.)
*/
function zen_preprocess_html(&$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, $hook);
}
elseif (!module_exists('conditional_styles')) {
zen_add_conditional_styles();
}
// Classes for body element. Allows advanced theming based on context
// (home page, node of certain type, etc.)
if (!$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);
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);
}
}
$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.
$variables['menu_item'] = menu_get_item();
switch ($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 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, $hook) {
// If Zen is the maintenance theme, add some styles.
if ($GLOBALS['theme'] == 'zen') {
include_once './' . drupal_get_path('theme', 'zen') . '/zen-internals/template.zen.inc';
_zen_preprocess_html($variables, $hook);
}
elseif (!module_exists('conditional_styles')) {
zen_add_conditional_styles();
}
}
/**
* 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 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';
$variables['theme_hook_suggestions'][] = 'region__sidebar';
// Allow a region-specific template to override Zen's region--sidebar.
$variables['theme_hook_suggestions'][] = 'region__' . $variables['region'];
}
}
/**
* 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;
}
}
}
}