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<?php
/**
* @file
* Theming for maintenance pages.
*/
/**
* Sets up the theming system for maintenance page.
*
* Used for site installs, updates and when the site is in maintenance mode.
* It also applies when the database is unavailable or bootstrap was not
* complete. Seven is always used for the initial install and update operations.
* In other cases, Bartik is used, but this can be overridden by setting a
* "maintenance_theme" key in the $conf variable in settings.php.
*/
function _drupal_maintenance_theme() {
global $theme, $theme_key, $conf;
// If $theme is already set, assume the others are set too, and do nothing.
if (isset($theme)) {
return;
}
require_once DRUPAL_ROOT . '/' . variable_get('path_inc', 'includes/path.inc');
require_once DRUPAL_ROOT . '/includes/theme.inc';
require_once DRUPAL_ROOT . '/includes/common.inc';
require_once DRUPAL_ROOT . '/includes/unicode.inc';
require_once DRUPAL_ROOT . '/includes/file.inc';
require_once DRUPAL_ROOT . '/includes/module.inc';
unicode_check();
// Install and update pages are treated differently to prevent theming overrides.
if (defined('MAINTENANCE_MODE') && (MAINTENANCE_MODE == 'install' || MAINTENANCE_MODE == 'update')) {
$custom_theme = (isset($conf['maintenance_theme']) ? $conf['maintenance_theme'] : 'seven');
}
else {
// The bootstrap was not complete. So we are operating in a crippled
// environment, we need to bootstrap just enough to allow hook invocations
// to work. See _drupal_log_error().
if (!class_exists('Database', FALSE)) {
require_once DRUPAL_ROOT . '/includes/database/database.inc';
}
// We use the default theme as the maintenance theme. If a default theme
// isn't specified in the database or in settings.php, we use Bartik.
$custom_theme = variable_get('maintenance_theme', variable_get('theme_default', 'bartik'));
}
// Ensure that system.module is loaded.
if (!function_exists('_system_rebuild_theme_data')) {
$module_list['system']['filename'] = 'modules/system/system.module';
module_list(TRUE, FALSE, FALSE, $module_list);
drupal_load('module', 'system');
}
$themes = list_themes();
// list_themes() triggers a drupal_alter() in maintenance mode, but we can't
// let themes alter the .info data until we know a theme's base themes. So
// don't set global $theme until after list_themes() builds its cache.
$theme = $custom_theme;
// Store the identifier for retrieving theme settings with.
$theme_key = $theme;
// Find all our ancestor themes and put them in an array.
$base_theme = array();
$ancestor = $theme;
while ($ancestor && isset($themes[$ancestor]->base_theme)) {
$base_theme[] = $new_base_theme = $themes[$themes[$ancestor]->base_theme];
$ancestor = $themes[$ancestor]->base_theme;
}
_drupal_theme_initialize($themes[$theme], array_reverse($base_theme), '_theme_load_offline_registry');
// These are usually added from system_init() -except maintenance.css.
// When the database is inactive it's not called so we add it here.
$path = drupal_get_path('module', 'system');
drupal_add_css($path . '/system.base.css');
drupal_add_css($path . '/system.admin.css');
drupal_add_css($path . '/system.menus.css');
drupal_add_css($path . '/system.messages.css');
drupal_add_css($path . '/system.theme.css');
drupal_add_css($path . '/system.maintenance.css');
}
/**
* This builds the registry when the site needs to bypass any database calls.
*/
function _theme_load_offline_registry($theme, $base_theme = NULL, $theme_engine = NULL) {
return _theme_build_registry($theme, $base_theme, $theme_engine);
}
/**
* Returns HTML for a list of maintenance tasks to perform.
*
* @param $variables
* An associative array containing:
* - items: An associative array of maintenance tasks.
* - active: The key for the currently active maintenance task.
*
* @ingroup themeable
*/
function theme_task_list($variables) {
$items = $variables['items'];
$active = $variables['active'];
$done = isset($items[$active]) || $active == NULL;
$output = '<h2 class="element-invisible">Installation tasks</h2>';
$output .= '<ol class="task-list">';
foreach ($items as $k => $item) {
if ($active == $k) {
$class = 'active';
$status = '(' . t('active') . ')';
$done = FALSE;
}
else {
$class = $done ? 'done' : '';
$status = $done ? '(' . t('done') . ')' : '';
}
$output .= '<li';
$output .= ($class ? ' class="' . $class . '"' : '') . '>';
$output .= $item;
$output .= ($status ? '<span class="element-invisible">' . $status . '</span>' : '');
$output .= '</li>';
}
$output .= '</ol>';
return $output;
}
/**
* Returns HTML for the installation page.
*
* Note: this function is not themeable.
*
* @param $variables
* An associative array containing:
* - content: The page content to show.
*/
function theme_install_page($variables) {
drupal_add_http_header('Content-Type', 'text/html; charset=utf-8');
return theme('maintenance_page', $variables);
}
/**
* Returns HTML for the update page.
*
* Note: this function is not themeable.
*
* @param $variables
* An associative array containing:
* - content: The page content to show.
* - show_messages: Whether to output status and error messages.
* FALSE can be useful to postpone the messages to a subsequent page.
*/
function theme_update_page($variables) {
drupal_add_http_header('Content-Type', 'text/html; charset=utf-8');
return theme('maintenance_page', $variables);
}
/**
* Returns HTML for a report of the results from an operation run via authorize.php.
*
* @param $variables
* An associative array containing:
* - messages: An array of result messages.
*
* @ingroup themeable
*/
function theme_authorize_report($variables) {
$messages = $variables['messages'];
$output = '';
if (!empty($messages)) {
$output .= '<div id="authorize-results">';
foreach ($messages as $heading => $logs) {
$items = array();
foreach ($logs as $number => $log_message) {
if ($number === '#abort') {
continue;
}
$items[] = theme('authorize_message', array('message' => $log_message['message'], 'success' => $log_message['success']));
}
$output .= theme('item_list', array('items' => $items, 'title' => $heading));
}
$output .= '</div>';
}
return $output;
}
/**
* Returns HTML for a single log message from the authorize.php batch operation.
*
* @param $variables
* An associative array containing:
* - message: The log message.
* - success: A boolean indicating failure or success.
*
* @ingroup themeable
*/
function theme_authorize_message($variables) {
$message = $variables['message'];
$success = $variables['success'];
if ($success) {
$item = array('data' => $message, 'class' => array('success'));
}
else {
$item = array('data' => '<strong>' . $message . '</strong>', 'class' => array('failure'));
}
return $item;
}
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