205 lines
8.0 KiB
PHP
205 lines
8.0 KiB
PHP
<?php
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// $Id$
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/**
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* @file
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* Theming for maintenance pages.
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*/
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/**
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* Sets up the theming system for site installs, updates and when the site is
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* in maintenance mode. It also applies when the database is unavailable.
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*
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* Minnelli is always used for the initial install and update operations. In
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* other cases, "settings.php" must have a "maintenance_theme" key set for the
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* $conf variable in order to change the maintenance theme.
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*/
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function _drupal_maintenance_theme() {
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global $theme, $theme_key;
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// If $theme is already set, assume the others are set too, and do nothing.
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if (isset($theme)) {
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return;
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}
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require_once DRUPAL_ROOT . '/includes/path.inc';
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require_once DRUPAL_ROOT . '/includes/theme.inc';
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require_once DRUPAL_ROOT . '/includes/common.inc';
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require_once DRUPAL_ROOT . '/includes/unicode.inc';
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require_once DRUPAL_ROOT . '/includes/file.inc';
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require_once DRUPAL_ROOT . '/includes/module.inc';
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require_once DRUPAL_ROOT . '/includes/database/database.inc';
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unicode_check();
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// Install and update pages are treated differently to prevent theming overrides.
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if (defined('MAINTENANCE_MODE') && (MAINTENANCE_MODE == 'install' || MAINTENANCE_MODE == 'update')) {
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$theme = 'minnelli';
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}
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else {
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if (!db_is_active()) {
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// Because we are operating in a crippled environment, we need to
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// bootstrap just enough to allow hook invocations to work.
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$module_list['system']['filename'] = 'modules/system/system.module';
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$module_list['filter']['filename'] = 'modules/filter/filter.module';
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module_list(TRUE, FALSE, FALSE, $module_list);
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drupal_load('module', 'system');
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drupal_load('module', 'filter');
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}
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$theme = variable_get('maintenance_theme', 'minnelli');
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}
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$themes = list_themes();
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// Store the identifier for retrieving theme settings with.
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$theme_key = $theme;
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// Find all our ancestor themes and put them in an array.
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$base_theme = array();
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$ancestor = $theme;
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while ($ancestor && isset($themes[$ancestor]->base_theme)) {
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$base_theme[] = $new_base_theme = $themes[$themes[$ancestor]->base_theme];
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$ancestor = $themes[$ancestor]->base_theme;
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}
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_drupal_theme_initialize($themes[$theme], array_reverse($base_theme), '_theme_load_offline_registry');
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// These are usually added from system_init() -except maintenance.css.
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// When the database is inactive it's not called so we add it here.
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drupal_add_css(drupal_get_path('module', 'system') . '/defaults.css');
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drupal_add_css(drupal_get_path('module', 'system') . '/system.css');
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drupal_add_css(drupal_get_path('module', 'system') . '/system-menus.css');
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drupal_add_css(drupal_get_path('module', 'system') . '/maintenance.css');
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drupal_add_css(drupal_get_path('module', 'system') . '/admin.css');
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}
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/**
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* This builds the registry when the site needs to bypass any database calls.
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*/
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function _theme_load_offline_registry($theme, $base_theme = NULL, $theme_engine = NULL) {
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$registry = _theme_build_registry($theme, $base_theme, $theme_engine);
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_theme_set_registry($registry);
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}
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/**
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* Return a themed list of maintenance tasks to perform.
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*
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* @ingroup themeable
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*/
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function theme_task_list($variables) {
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$items = $variables['items'];
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$active = $variables['active'];
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$done = isset($items[$active]) || $active == NULL;
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$output = '<h2 class="element-invisible">Installation tasks</h2>';
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$output .= '<ol class="task-list">';
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foreach ($items as $k => $item) {
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if ($active == $k) {
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$class = 'active';
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$status = '(' . t('active') . ')';
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$done = FALSE;
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}
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else {
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$class = $done ? 'done' : '';
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$status = $done ? '(' . t('done') . ')' : '';
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}
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$output .= '<li';
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$output .= ($class ? ' class="' . $class . '"' : '') . '>';
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$output .= $item;
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$output .= ($status ? '<span class="element-invisible">' . $status . '</span>' : '');
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$output .= '</li>';
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}
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$output .= '</ol>';
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return $output;
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}
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/**
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* Generate a themed installation page.
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*
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* Note: this function is not themeable.
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*
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* @param $variables
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* An associative array containing:
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* - content: The page content to show.
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*/
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function theme_install_page($variables) {
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drupal_add_http_header('Content-Type', 'text/html; charset=utf-8');
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// Delay setting the message variable so it can be processed below.
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$variables['show_messages'] = FALSE;
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// Variable processors invoked manually since this function and theme_update_page()
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// are exceptions in how it works within the theme system.
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template_preprocess($variables, 'install_page');
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template_preprocess_maintenance_page($variables);
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template_process($variables, 'install_page');
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// Special handling of error messages
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$messages = drupal_set_message();
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if (isset($messages['error'])) {
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$title = count($messages['error']) > 1 ? st('The following errors must be resolved before you can continue the installation process') : st('The following error must be resolved before you can continue the installation process');
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$variables['messages'] .= '<h3>' . $title . ':</h3>';
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$variables['messages'] .= theme('status_messages', array('display' => 'error'));
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$variables['content'] .= '<p>' . st('Please check the error messages and <a href="!url">try again</a>.', array('!url' => request_uri())) . '</p>';
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}
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// Special handling of warning messages
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if (isset($messages['warning'])) {
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$title = count($messages['warning']) > 1 ? st('The following installation warnings should be carefully reviewed') : st('The following installation warning should be carefully reviewed');
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$variables['messages'] .= '<h4>' . $title . ':</h4>';
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$variables['messages'] .= theme('status_messages', array('display' => 'warning'));
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}
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// Special handling of status messages
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if (isset($messages['status'])) {
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$title = count($messages['status']) > 1 ? st('The following installation warnings should be carefully reviewed, but in most cases may be safely ignored') : st('The following installation warning should be carefully reviewed, but in most cases may be safely ignored');
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$variables['messages'] .= '<h4>' . $title . ':</h4>';
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$variables['messages'] .= theme('status_messages', array('display' => 'status'));
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}
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// This was called as a theme hook (not template), so we need to
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// fix path_to_theme() for the template, to point at the actual
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// theme rather than system module as owner of the hook.
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global $theme_path;
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$theme_path = 'themes/garland';
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return theme_render_template('themes/garland/maintenance-page.tpl.php', $variables);
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}
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/**
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* Generate a themed update page.
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*
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* Note: this function is not themeable.
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*
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* @param $variables
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* An associative array containing:
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* - content: The page content to show.
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* - show_messages: Whether to output status and error messages.
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* FALSE can be useful to postpone the messages to a subsequent page.
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*/
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function theme_update_page($variables) {
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// Set required headers.
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drupal_add_http_header('Content-Type', 'text/html; charset=utf-8');
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// Variable processors invoked manually since this function and theme_install_page()
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// are exceptions in how it works within the theme system.
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template_preprocess($variables, 'update_page');
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template_preprocess_maintenance_page($variables);
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template_process($variables, 'update_page');
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// Special handling of warning messages.
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$messages = drupal_set_message();
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if (isset($messages['warning'])) {
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$title = count($messages['warning']) > 1 ? 'The following update warnings should be carefully reviewed before continuing' : 'The following update warning should be carefully reviewed before continuing';
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$variables['messages'] .= '<h4>' . $title . ':</h4>';
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$variables['messages'] .= theme('status_messages', array('display' => 'warning'));
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}
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// This was called as a theme hook (not template), so we need to
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// fix path_to_theme() for the template, to point at the actual
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// theme rather than system module as owner of the hook.
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global $theme_path;
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$theme_path = 'themes/garland';
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return theme_render_template('themes/garland/maintenance-page.tpl.php', $variables);
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}
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