web/drupal/modules/system/system.admin.inc
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changeset 74 0ff3ba646492
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73:fcf75e232c5b 74:0ff3ba646492
       
     1 <?php
       
     2 // $Id: system.admin.inc,v 1.63.2.8 2009/06/09 10:58:09 goba Exp $
       
     3 
       
     4 /**
       
     5  * @file
       
     6  * Admin page callbacks for the system module.
       
     7  */
       
     8 
       
     9 /**
       
    10  * Menu callback; Provide the administration overview page.
       
    11  */
       
    12 function system_main_admin_page($arg = NULL) {
       
    13   // If we received an argument, they probably meant some other page.
       
    14   // Let's 404 them since the menu system cannot be told we do not
       
    15   // accept arguments.
       
    16   if (isset($arg) && substr($arg, 0, 3) != 'by-') {
       
    17     return drupal_not_found();
       
    18   }
       
    19 
       
    20   // Check for status report errors.
       
    21   if (system_status(TRUE) && user_access('administer site configuration')) {
       
    22     drupal_set_message(t('One or more problems were detected with your Drupal installation. Check the <a href="@status">status report</a> for more information.', array('@status' => url('admin/reports/status'))), 'error');
       
    23   }
       
    24   $blocks = array();
       
    25   if ($admin = db_fetch_array(db_query("SELECT menu_name, mlid FROM {menu_links} WHERE link_path = 'admin' AND module = 'system'"))) {
       
    26     $result = db_query("
       
    27       SELECT m.*, ml.*
       
    28       FROM {menu_links} ml
       
    29       INNER JOIN {menu_router} m ON ml.router_path = m.path
       
    30       WHERE ml.link_path != 'admin/help' AND menu_name = '%s' AND ml.plid = %d AND hidden = 0", $admin);
       
    31     while ($item = db_fetch_array($result)) {
       
    32       _menu_link_translate($item);
       
    33       if (!$item['access']) {
       
    34         continue;
       
    35       }
       
    36       // The link 'description' either derived from the hook_menu 'description'
       
    37       // or entered by the user via menu module is saved as the title attribute.
       
    38       if (!empty($item['localized_options']['attributes']['title'])) {
       
    39         $item['description'] = $item['localized_options']['attributes']['title'];
       
    40       }
       
    41       $block = $item;
       
    42       $block['content'] = '';
       
    43       if ($item['block_callback'] && function_exists($item['block_callback'])) {
       
    44         $function = $item['block_callback'];
       
    45         $block['content'] .= $function();
       
    46       }
       
    47       $block['content'] .= theme('admin_block_content', system_admin_menu_block($item));
       
    48       // Prepare for sorting as in function _menu_tree_check_access().
       
    49       // The weight is offset so it is always positive, with a uniform 5-digits.
       
    50       $blocks[(50000 + $item['weight']) .' '. $item['title'] .' '. $item['mlid']] = $block;
       
    51     }
       
    52   }
       
    53   if ($blocks) {
       
    54     ksort($blocks);
       
    55     return theme('admin_page', $blocks);
       
    56   }
       
    57   else {
       
    58     return t('You do not have any administrative items.');
       
    59   }
       
    60 }
       
    61 
       
    62 
       
    63 /**
       
    64  * Provide a single block from the administration menu as a page.
       
    65  * This function is often a destination for these blocks.
       
    66  * For example, 'admin/content/types' needs to have a destination to be valid
       
    67  * in the Drupal menu system, but too much information there might be
       
    68  * hidden, so we supply the contents of the block.
       
    69  *
       
    70  * @return
       
    71  *   The output HTML.
       
    72  */
       
    73 function system_admin_menu_block_page() {
       
    74   $item = menu_get_item();
       
    75   if ($content = system_admin_menu_block($item)) {
       
    76     $output = theme('admin_block_content', $content);
       
    77   }
       
    78   else {
       
    79     $output = t('You do not have any administrative items.');
       
    80   }
       
    81   return $output;
       
    82 }
       
    83 
       
    84 /**
       
    85  * Menu callback; Sets whether the admin menu is in compact mode or not.
       
    86  *
       
    87  * @param $mode
       
    88  *   Valid values are 'on' and 'off'.
       
    89  */
       
    90 function system_admin_compact_page($mode = 'off') {
       
    91   global $user;
       
    92   user_save($user, array('admin_compact_mode' => ($mode == 'on')));
       
    93   drupal_goto('admin');
       
    94 }
       
    95 
       
    96 /**
       
    97  * Menu callback; prints a listing of admin tasks for each installed module.
       
    98  */
       
    99 function system_admin_by_module() {
       
   100 
       
   101   $modules = module_rebuild_cache();
       
   102   $menu_items = array();
       
   103   $help_arg = module_exists('help') ? drupal_help_arg() : FALSE;
       
   104 
       
   105   foreach ($modules as $file) {
       
   106     $module = $file->name;
       
   107     if ($module == 'help') {
       
   108       continue;
       
   109     }
       
   110 
       
   111     $admin_tasks = system_get_module_admin_tasks($module);
       
   112 
       
   113     // Only display a section if there are any available tasks.
       
   114     if (count($admin_tasks)) {
       
   115 
       
   116       // Check for help links.
       
   117       if ($help_arg && module_invoke($module, 'help', "admin/help#$module", $help_arg)) {
       
   118         $admin_tasks[100] = l(t('Get help'), "admin/help/$module");
       
   119       }
       
   120 
       
   121       // Sort.
       
   122       ksort($admin_tasks);
       
   123 
       
   124       $menu_items[$file->info['name']] = array($file->info['description'], $admin_tasks);
       
   125     }
       
   126   }
       
   127   return theme('system_admin_by_module', $menu_items);
       
   128 }
       
   129 
       
   130 /**
       
   131  * Menu callback; displays a module's settings page.
       
   132  */
       
   133 function system_settings_overview() {
       
   134   // Check database setup if necessary
       
   135   if (function_exists('db_check_setup') && empty($_POST)) {
       
   136     db_check_setup();
       
   137   }
       
   138 
       
   139   $item = menu_get_item('admin/settings');
       
   140   $content = system_admin_menu_block($item);
       
   141 
       
   142   $output = theme('admin_block_content', $content);
       
   143 
       
   144   return $output;
       
   145 }
       
   146 
       
   147 /**
       
   148  * Form builder; This function allows selection of the theme to show in administration sections.
       
   149  *
       
   150  * @ingroup forms
       
   151  * @see system_settings_form()
       
   152  */
       
   153 function system_admin_theme_settings() {
       
   154   $themes = system_theme_data();
       
   155 
       
   156   uasort($themes, 'system_sort_modules_by_info_name');
       
   157 
       
   158   $options[0] = '<'. t('System default') .'>';
       
   159   foreach ($themes as $theme) {
       
   160     $options[$theme->name] = $theme->info['name'];
       
   161   }
       
   162 
       
   163   $form['admin_theme'] = array(
       
   164     '#type' => 'select',
       
   165     '#options' => $options,
       
   166     '#title' => t('Administration theme'),
       
   167     '#description' => t('Choose which theme the administration pages should display in. If you choose "System default" the administration pages will use the same theme as the rest of the site.'),
       
   168     '#default_value' => variable_get('admin_theme', '0'),
       
   169   );
       
   170 
       
   171   $form['node_admin_theme'] = array(
       
   172     '#type' => 'checkbox',
       
   173     '#title' => t('Use administration theme for content editing'),
       
   174     '#description' => t('Use the administration theme when editing existing posts or creating new ones.'),
       
   175     '#default_value' => variable_get('node_admin_theme', '0'),
       
   176   );
       
   177 
       
   178   $form['#submit'][] = 'system_admin_theme_submit';
       
   179   return system_settings_form($form);
       
   180 }
       
   181 
       
   182 /**
       
   183  * Menu callback; displays a listing of all themes.
       
   184  *
       
   185  * @ingroup forms
       
   186  * @see system_themes_form_submit()
       
   187  */
       
   188 function system_themes_form() {
       
   189 
       
   190   drupal_clear_css_cache();
       
   191   $themes = system_theme_data();
       
   192 
       
   193   uasort($themes, 'system_sort_modules_by_info_name');
       
   194 
       
   195   $status = array();
       
   196   $incompatible_core = array();
       
   197   $incompatible_php = array();
       
   198 
       
   199   foreach ($themes as $theme) {
       
   200     $screenshot = NULL;
       
   201     $theme_key = $theme->name;
       
   202     while ($theme_key) {
       
   203       if (file_exists($themes[$theme_key]->info['screenshot'])) {
       
   204         $screenshot = $themes[$theme_key]->info['screenshot'];
       
   205         break;
       
   206       }
       
   207       $theme_key = isset($themes[$theme_key]->info['base theme']) ? $themes[$theme_key]->info['base theme'] : NULL;
       
   208     }
       
   209     $screenshot = $screenshot ? theme('image', $screenshot, t('Screenshot for %theme theme', array('%theme' => $theme->info['name'])), '', array('class' => 'screenshot'), FALSE) : t('no screenshot');
       
   210 
       
   211     $form[$theme->name]['screenshot'] = array('#value' => $screenshot);
       
   212     $form[$theme->name]['info'] = array(
       
   213       '#type' => 'value',
       
   214       '#value' => $theme->info,
       
   215     );
       
   216     $options[$theme->name] = '';
       
   217 
       
   218     if (!empty($theme->status) || $theme->name == variable_get('admin_theme', '0')) {
       
   219       $form[$theme->name]['operations'] = array('#value' => l(t('configure'), 'admin/build/themes/settings/'. $theme->name) );
       
   220     }
       
   221     else {
       
   222       // Dummy element for drupal_render. Cleaner than adding a check in the theme function.
       
   223       $form[$theme->name]['operations'] = array();
       
   224     }
       
   225     if (!empty($theme->status)) {
       
   226       $status[] = $theme->name;
       
   227     }
       
   228     else {
       
   229       // Ensure this theme is compatible with this version of core.
       
   230       if (!isset($theme->info['core']) || $theme->info['core'] != DRUPAL_CORE_COMPATIBILITY) {
       
   231         $incompatible_core[] = $theme->name;
       
   232       }
       
   233       if (version_compare(phpversion(), $theme->info['php']) < 0) {
       
   234         $incompatible_php[$theme->name] = $theme->info['php'];
       
   235       }
       
   236     }
       
   237   }
       
   238 
       
   239   $form['status'] = array(
       
   240     '#type' => 'checkboxes',
       
   241     '#options' => $options,
       
   242     '#default_value' => $status,
       
   243     '#incompatible_themes_core' => drupal_map_assoc($incompatible_core),
       
   244     '#incompatible_themes_php' => $incompatible_php,
       
   245   );
       
   246   $form['theme_default'] = array(
       
   247     '#type' => 'radios',
       
   248     '#options' => $options,
       
   249     '#default_value' => variable_get('theme_default', 'garland'),
       
   250   );
       
   251   $form['buttons']['submit'] = array(
       
   252     '#type' => 'submit',
       
   253     '#value' => t('Save configuration'),
       
   254   );
       
   255   $form['buttons']['reset'] = array(
       
   256     '#type' => 'submit',
       
   257     '#value' => t('Reset to defaults'),
       
   258   );
       
   259   return $form;
       
   260 }
       
   261 
       
   262 /**
       
   263  * Process system_themes_form form submissions.
       
   264  */
       
   265 function system_themes_form_submit($form, &$form_state) {
       
   266 
       
   267   // Store list of previously enabled themes and disable all themes
       
   268   $old_theme_list = $new_theme_list = array();
       
   269   foreach (list_themes() as $theme) {
       
   270     if ($theme->status) {
       
   271       $old_theme_list[] = $theme->name;
       
   272     }
       
   273   }
       
   274   db_query("UPDATE {system} SET status = 0 WHERE type = 'theme'");
       
   275 
       
   276   if ($form_state['values']['op'] == t('Save configuration')) {
       
   277     if (is_array($form_state['values']['status'])) {
       
   278       foreach ($form_state['values']['status'] as $key => $choice) {
       
   279         // Always enable the default theme, despite its status checkbox being checked:
       
   280         if ($choice || $form_state['values']['theme_default'] == $key) {
       
   281           system_initialize_theme_blocks($key);
       
   282           $new_theme_list[] = $key;
       
   283           db_query("UPDATE {system} SET status = 1 WHERE type = 'theme' and name = '%s'", $key);
       
   284         }
       
   285       }
       
   286     }
       
   287     if (($admin_theme = variable_get('admin_theme', '0')) != '0' && $admin_theme != $form_state['values']['theme_default']) {
       
   288       drupal_set_message(t('Please note that the <a href="!admin_theme_page">administration theme</a> is still set to the %admin_theme theme; consequently, the theme on this page remains unchanged. All non-administrative sections of the site, however, will show the selected %selected_theme theme by default.', array(
       
   289         '!admin_theme_page' => url('admin/settings/admin'),
       
   290         '%admin_theme' => $admin_theme,
       
   291         '%selected_theme' => $form_state['values']['theme_default'],
       
   292       )));
       
   293     }
       
   294     variable_set('theme_default', $form_state['values']['theme_default']);
       
   295   }
       
   296   else {
       
   297     // Revert to defaults: only Garland is enabled.
       
   298     variable_del('theme_default');
       
   299     db_query("UPDATE {system} SET status = 1 WHERE type = 'theme' AND name = 'garland'");
       
   300     $new_theme_list = array('garland');
       
   301   }
       
   302 
       
   303   list_themes(TRUE);
       
   304   menu_rebuild();
       
   305   drupal_rebuild_theme_registry();
       
   306   drupal_set_message(t('The configuration options have been saved.'));
       
   307   $form_state['redirect'] = 'admin/build/themes';
       
   308 
       
   309   // Notify locale module about new themes being enabled, so translations can
       
   310   // be imported. This might start a batch, and only return to the redirect
       
   311   // path after that.
       
   312   module_invoke('locale', 'system_update', array_diff($new_theme_list, $old_theme_list));
       
   313 
       
   314   return;
       
   315 }
       
   316 
       
   317 /**
       
   318  * Form builder; display theme configuration for entire site and individual themes.
       
   319  *
       
   320  * @param $key
       
   321  *   A theme name.
       
   322  * @return
       
   323  *   The form structure.
       
   324  * @ingroup forms
       
   325  * @see system_theme_settings_submit()
       
   326  */
       
   327 function system_theme_settings(&$form_state, $key = '') {
       
   328   $directory_path = file_directory_path();
       
   329   file_check_directory($directory_path, FILE_CREATE_DIRECTORY, 'file_directory_path');
       
   330 
       
   331   // Default settings are defined in theme_get_settings() in includes/theme.inc
       
   332   if ($key) {
       
   333     $settings = theme_get_settings($key);
       
   334     $var = str_replace('/', '_', 'theme_'. $key .'_settings');
       
   335     $themes = system_theme_data();
       
   336     $features = $themes[$key]->info['features'];
       
   337   }
       
   338   else {
       
   339     $settings = theme_get_settings('');
       
   340     $var = 'theme_settings';
       
   341   }
       
   342 
       
   343   $form['var'] = array('#type' => 'hidden', '#value' => $var);
       
   344 
       
   345   // Check for a new uploaded logo, and use that instead.
       
   346   if ($file = file_save_upload('logo_upload', array('file_validate_is_image' => array()))) {
       
   347     $parts = pathinfo($file->filename);
       
   348     $filename = ($key) ? str_replace('/', '_', $key) .'_logo.'. $parts['extension'] : 'logo.'. $parts['extension'];
       
   349 
       
   350     // The image was saved using file_save_upload() and was added to the
       
   351     // files table as a temporary file. We'll make a copy and let the garbage
       
   352     // collector delete the original upload.
       
   353     if (file_copy($file, $filename, FILE_EXISTS_REPLACE)) {
       
   354       $_POST['default_logo'] = 0;
       
   355       $_POST['logo_path'] = $file->filepath;
       
   356       $_POST['toggle_logo'] = 1;
       
   357     }
       
   358   }
       
   359 
       
   360   // Check for a new uploaded favicon, and use that instead.
       
   361   if ($file = file_save_upload('favicon_upload')) {
       
   362     $parts = pathinfo($file->filename);
       
   363     $filename = ($key) ? str_replace('/', '_', $key) .'_favicon.'. $parts['extension'] : 'favicon.'. $parts['extension'];
       
   364 
       
   365     // The image was saved using file_save_upload() and was added to the
       
   366     // files table as a temporary file. We'll make a copy and let the garbage
       
   367     // collector delete the original upload.
       
   368     if (file_copy($file, $filename)) {
       
   369       $_POST['default_favicon'] = 0;
       
   370       $_POST['favicon_path'] = $file->filepath;
       
   371       $_POST['toggle_favicon'] = 1;
       
   372     }
       
   373   }
       
   374 
       
   375   // Toggle settings
       
   376   $toggles = array(
       
   377     'logo'                 => t('Logo'),
       
   378     'name'                 => t('Site name'),
       
   379     'slogan'               => t('Site slogan'),
       
   380     'mission'              => t('Mission statement'),
       
   381     'node_user_picture'    => t('User pictures in posts'),
       
   382     'comment_user_picture' => t('User pictures in comments'),
       
   383     'search'               => t('Search box'),
       
   384     'favicon'              => t('Shortcut icon'),
       
   385     'primary_links'        => t('Primary links'),
       
   386     'secondary_links'      => t('Secondary links'),
       
   387   );
       
   388 
       
   389   // Some features are not always available
       
   390   $disabled = array();
       
   391   if (!variable_get('user_pictures', 0)) {
       
   392     $disabled['toggle_node_user_picture'] = TRUE;
       
   393     $disabled['toggle_comment_user_picture'] = TRUE;
       
   394   }
       
   395   if (!module_exists('search')) {
       
   396     $disabled['toggle_search'] = TRUE;
       
   397   }
       
   398 
       
   399   $form['theme_settings'] = array(
       
   400     '#type' => 'fieldset',
       
   401     '#title' => t('Toggle display'),
       
   402     '#description' => t('Enable or disable the display of certain page elements.'),
       
   403   );
       
   404   foreach ($toggles as $name => $title) {
       
   405     if ((!$key) || in_array($name, $features)) {
       
   406       $form['theme_settings']['toggle_'. $name] = array('#type' => 'checkbox', '#title' => $title, '#default_value' => $settings['toggle_'. $name]);
       
   407       // Disable checkboxes for features not supported in the current configuration.
       
   408       if (isset($disabled['toggle_'. $name])) {
       
   409         $form['theme_settings']['toggle_'. $name]['#disabled'] = TRUE;
       
   410       }
       
   411     }
       
   412   }
       
   413 
       
   414   // System wide only settings.
       
   415   if (!$key) {
       
   416     // Create neat 2-column layout for the toggles
       
   417     $form['theme_settings'] += array(
       
   418       '#prefix' => '<div class="theme-settings-left">',
       
   419       '#suffix' => '</div>',
       
   420     );
       
   421 
       
   422     // Toggle node display.
       
   423     $node_types = node_get_types('names');
       
   424     if ($node_types) {
       
   425       $form['node_info'] = array(
       
   426         '#type' => 'fieldset',
       
   427         '#title' => t('Display post information on'),
       
   428         '#description' => t('Enable or disable the <em>submitted by Username on date</em> text when displaying posts of the following type.'),
       
   429         '#prefix' => '<div class="theme-settings-right">',
       
   430         '#suffix' => '</div>',
       
   431       );
       
   432       foreach ($node_types as $type => $name) {
       
   433         $form['node_info']["toggle_node_info_$type"] = array('#type' => 'checkbox', '#title' => check_plain($name), '#default_value' => $settings["toggle_node_info_$type"]);
       
   434       }
       
   435     }
       
   436   }
       
   437   elseif (!element_children($form['theme_settings'])) {
       
   438     // If there is no element in the theme settings fieldset then do not show
       
   439     // it -- but keep it in the form if another module wants to alter.
       
   440     $form['theme_settings']['#access'] = FALSE;
       
   441   }
       
   442 
       
   443   // Logo settings
       
   444   if ((!$key) || in_array('logo', $features)) {
       
   445     $form['logo'] = array(
       
   446       '#type' => 'fieldset',
       
   447       '#title' => t('Logo image settings'),
       
   448       '#description' => t('If toggled on, the following logo will be displayed.'),
       
   449       '#attributes' => array('class' => 'theme-settings-bottom'),
       
   450     );
       
   451     $form['logo']["default_logo"] = array(
       
   452       '#type' => 'checkbox',
       
   453       '#title' => t('Use the default logo'),
       
   454       '#default_value' => $settings['default_logo'],
       
   455       '#tree' => FALSE,
       
   456       '#description' => t('Check here if you want the theme to use the logo supplied with it.')
       
   457     );
       
   458     $form['logo']['logo_path'] = array(
       
   459       '#type' => 'textfield',
       
   460       '#title' => t('Path to custom logo'),
       
   461       '#default_value' => $settings['logo_path'],
       
   462       '#description' => t('The path to the file you would like to use as your logo file instead of the default logo.'));
       
   463 
       
   464     $form['logo']['logo_upload'] = array(
       
   465       '#type' => 'file',
       
   466       '#title' => t('Upload logo image'),
       
   467       '#maxlength' => 40,
       
   468       '#description' => t("If you don't have direct file access to the server, use this field to upload your logo.")
       
   469     );
       
   470   }
       
   471 
       
   472   if ((!$key) || in_array('favicon', $features)) {
       
   473     $form['favicon'] = array(
       
   474       '#type' => 'fieldset',
       
   475       '#title' => t('Shortcut icon settings'),
       
   476       '#description' => t("Your shortcut icon, or 'favicon', is displayed in the address bar and bookmarks of most browsers.")
       
   477     );
       
   478     $form['favicon']['default_favicon'] = array(
       
   479       '#type' => 'checkbox',
       
   480       '#title' => t('Use the default shortcut icon.'),
       
   481       '#default_value' => $settings['default_favicon'],
       
   482       '#description' => t('Check here if you want the theme to use the default shortcut icon.')
       
   483     );
       
   484     $form['favicon']['favicon_path'] = array(
       
   485       '#type' => 'textfield',
       
   486       '#title' => t('Path to custom icon'),
       
   487       '#default_value' => $settings['favicon_path'],
       
   488       '#description' => t('The path to the image file you would like to use as your custom shortcut icon.')
       
   489     );
       
   490 
       
   491     $form['favicon']['favicon_upload'] = array(
       
   492       '#type' => 'file',
       
   493       '#title' => t('Upload icon image'),
       
   494       '#description' => t("If you don't have direct file access to the server, use this field to upload your shortcut icon.")
       
   495     );
       
   496   }
       
   497 
       
   498   if ($key) {
       
   499     // Include the theme's theme-settings.php file
       
   500     $filename = './'. str_replace("/$key.info", '', $themes[$key]->filename) .'/theme-settings.php';
       
   501     if (!file_exists($filename) and !empty($themes[$key]->info['base theme'])) {
       
   502       // If the theme doesn't have a theme-settings.php file, use the base theme's.
       
   503       $base = $themes[$key]->info['base theme'];
       
   504       $filename = './'. str_replace("/$base.info", '', $themes[$base]->filename) .'/theme-settings.php';
       
   505     }
       
   506     if (file_exists($filename)) {
       
   507       require_once $filename;
       
   508     }
       
   509 
       
   510     // Call engine-specific settings.
       
   511     $function = $themes[$key]->prefix .'_engine_settings';
       
   512     if (function_exists($function)) {
       
   513       $group = $function($settings);
       
   514       if (!empty($group)) {
       
   515         $form['engine_specific'] = array('#type' => 'fieldset', '#title' => t('Theme-engine-specific settings'), '#description' => t('These settings only exist for all the templates and styles based on the %engine theme engine.', array('%engine' => $themes[$key]->prefix)));
       
   516         $form['engine_specific'] = array_merge($form['engine_specific'], $group);
       
   517       }
       
   518     }
       
   519     // Call theme-specific settings.
       
   520     $function = $key .'_settings';
       
   521     if (!function_exists($function)) {
       
   522       $function = $themes[$key]->prefix .'_settings';
       
   523     }
       
   524     if (function_exists($function)) {
       
   525       $group = $function($settings);
       
   526       if (!empty($group)) {
       
   527         $form['theme_specific'] = array('#type' => 'fieldset', '#title' => t('Theme-specific settings'), '#description' => t('These settings only exist for the %theme theme and all the styles based on it.', array('%theme' => $themes[$key]->info['name'])));
       
   528         $form['theme_specific'] = array_merge($form['theme_specific'], $group);
       
   529       }
       
   530     }
       
   531   }
       
   532   $form['#attributes'] = array('enctype' => 'multipart/form-data');
       
   533 
       
   534   $form = system_settings_form($form);
       
   535   // We don't want to call system_settings_form_submit(), so change #submit.
       
   536   $form['#submit'] = array('system_theme_settings_submit');
       
   537   return $form;
       
   538 }
       
   539 
       
   540 /**
       
   541  * Process system_theme_settings form submissions.
       
   542  */
       
   543 function system_theme_settings_submit($form, &$form_state) {
       
   544   $values = $form_state['values'];
       
   545   $key = $values['var'];
       
   546 
       
   547   if ($values['op'] == t('Reset to defaults')) {
       
   548     variable_del($key);
       
   549     drupal_set_message(t('The configuration options have been reset to their default values.'));
       
   550   }
       
   551   else {
       
   552     // Exclude unnecessary elements before saving.
       
   553     unset($values['var'], $values['submit'], $values['reset'], $values['form_id'], $values['op'], $values['form_build_id'], $values['form_token']);
       
   554     variable_set($key, $values);
       
   555     drupal_set_message(t('The configuration options have been saved.'));
       
   556   }
       
   557 
       
   558   cache_clear_all();
       
   559 }
       
   560 
       
   561 /**
       
   562  * Recursively check compatibility.
       
   563  *
       
   564  * @param $incompatible
       
   565  *   An associative array which at the end of the check contains all incompatible files as the keys, their values being TRUE.
       
   566  * @param $files
       
   567  *   The set of files that will be tested.
       
   568  * @param $file
       
   569  *   The file at which the check starts.
       
   570  * @return
       
   571  *   Returns TRUE if an incompatible file is found, NULL (no return value) otherwise.
       
   572  */
       
   573 function _system_is_incompatible(&$incompatible, $files, $file) {
       
   574   static $seen;
       
   575   // We need to protect ourselves in case of a circular dependency.
       
   576   if (isset($seen[$file->name])) {
       
   577     return isset($incompatible[$file->name]);
       
   578   }
       
   579   $seen[$file->name] = TRUE;
       
   580   if (isset($incompatible[$file->name])) {
       
   581     return TRUE;
       
   582   }
       
   583   // The 'dependencies' key in .info files was a string in Drupal 5, but changed
       
   584   // to an array in Drupal 6. If it is not an array, the module is not
       
   585   // compatible and we can skip the check below which requires an array.
       
   586   if (!is_array($file->info['dependencies'])) {
       
   587     $file->info['dependencies'] = array();
       
   588     $incompatible[$file->name] = TRUE;
       
   589     return TRUE;
       
   590   }
       
   591   // Recursively traverse the dependencies, looking for incompatible modules
       
   592   foreach ($file->info['dependencies'] as $dependency) {
       
   593     if (isset($files[$dependency]) && _system_is_incompatible($incompatible, $files, $files[$dependency])) {
       
   594       $incompatible[$file->name] = TRUE;
       
   595       return TRUE;
       
   596     }
       
   597   }
       
   598 }
       
   599 
       
   600 /**
       
   601  * Menu callback; provides module enable/disable interface.
       
   602  *
       
   603  * Modules can be enabled or disabled and set for throttling if the throttle module is enabled.
       
   604  * The list of modules gets populated by module.info files, which contain each module's name,
       
   605  * description and dependencies.
       
   606  * @see drupal_parse_info_file for information on module.info descriptors.
       
   607  *
       
   608  * Dependency checking is performed to ensure that a module cannot be enabled if the module has
       
   609  * disabled dependencies and also to ensure that the module cannot be disabled if the module has
       
   610  * enabled dependents.
       
   611  *
       
   612  * @param $form_state
       
   613  *   An associative array containing the current state of the form.
       
   614  * @ingroup forms
       
   615  * @see theme_system_modules()
       
   616  * @see system_modules_submit()
       
   617  * @return
       
   618  *   The form array.
       
   619  */
       
   620 function system_modules($form_state = array()) {
       
   621   drupal_rebuild_theme_registry();
       
   622   node_types_rebuild();
       
   623   menu_rebuild();
       
   624   cache_clear_all('schema', 'cache');
       
   625   // Get current list of modules.
       
   626   $files = module_rebuild_cache();
       
   627 
       
   628   uasort($files, 'system_sort_modules_by_info_name');
       
   629 
       
   630   if (!empty($form_state['storage'])) {
       
   631     return system_modules_confirm_form($files, $form_state['storage']);
       
   632   }
       
   633   $dependencies = array();
       
   634 
       
   635   // Store module list for validation callback.
       
   636   $form['validation_modules'] = array('#type' => 'value', '#value' => $files);
       
   637 
       
   638   // Create storage for disabled modules as browser will disable checkboxes.
       
   639   $form['disabled_modules'] = array('#type' => 'value', '#value' => array());
       
   640 
       
   641   // Traverse the files, checking for compatibility
       
   642   $incompatible_core = array();
       
   643   $incompatible_php = array();
       
   644   foreach ($files as $filename => $file) {
       
   645     // Ensure this module is compatible with this version of core.
       
   646     if (!isset($file->info['core']) || $file->info['core'] != DRUPAL_CORE_COMPATIBILITY) {
       
   647       $incompatible_core[$file->name] = $file->name;
       
   648     }
       
   649     // Ensure this module is compatible with the currently installed version of PHP.
       
   650     if (version_compare(phpversion(), $file->info['php']) < 0) {
       
   651       $incompatible_php[$file->name] = $file->info['php'];
       
   652     }
       
   653   }
       
   654 
       
   655   // Array for disabling checkboxes in callback system_module_disable.
       
   656   $disabled = array();
       
   657   $throttle = array();
       
   658   // Traverse the files retrieved and build the form.
       
   659   foreach ($files as $filename => $file) {
       
   660     $form['name'][$filename] = array('#value' => $file->info['name']);
       
   661     $form['version'][$filename] = array('#value' => $file->info['version']);
       
   662     $form['description'][$filename] = array('#value' => t($file->info['description']));
       
   663     $options[$filename] = '';
       
   664     // Ensure this module is compatible with this version of core and php.
       
   665     if (_system_is_incompatible($incompatible_core, $files, $file) || _system_is_incompatible($incompatible_php, $files, $file)) {
       
   666       $disabled[] = $file->name;
       
   667       // Nothing else in this loop matters, so move to the next module.
       
   668       continue;
       
   669     }
       
   670     if ($file->status) {
       
   671       $status[] = $file->name;
       
   672     }
       
   673     if ($file->throttle) {
       
   674       $throttle[] = $file->name;
       
   675     }
       
   676 
       
   677     $dependencies = array();
       
   678     // Check for missing dependencies.
       
   679     if (is_array($file->info['dependencies'])) {
       
   680       foreach ($file->info['dependencies'] as $dependency) {
       
   681         if (!isset($files[$dependency]) || !$files[$dependency]->status) {
       
   682           if (isset($files[$dependency])) {
       
   683             $dependencies[] = t('@module (<span class="admin-disabled">disabled</span>)', array('@module' => $files[$dependency]->info['name']));
       
   684           }
       
   685           else {
       
   686             $dependencies[] = t('@module (<span class="admin-missing">missing</span>)', array('@module' => drupal_ucfirst($dependency)));
       
   687             $disabled[] = $filename;
       
   688             $form['disabled_modules']['#value'][$filename] = FALSE;
       
   689           }
       
   690         }
       
   691         else {
       
   692           $dependencies[] = t('@module (<span class="admin-enabled">enabled</span>)', array('@module' => $files[$dependency]->info['name']));
       
   693         }
       
   694       }
       
   695 
       
   696       // Add text for dependencies.
       
   697       if (!empty($dependencies)) {
       
   698         $form['description'][$filename]['dependencies'] = array(
       
   699           '#value' => t('Depends on: !dependencies', array('!dependencies' => implode(', ', $dependencies))),
       
   700           '#prefix' => '<div class="admin-dependencies">',
       
   701           '#suffix' => '</div>',
       
   702         );
       
   703       }
       
   704     }
       
   705 
       
   706     // Mark dependents disabled so user can not remove modules being depended on.
       
   707     $dependents = array();
       
   708     foreach ($file->info['dependents'] as $dependent) {
       
   709       if ($files[$dependent]->status == 1) {
       
   710         $dependents[] = t('@module (<span class="admin-enabled">enabled</span>)', array('@module' => $files[$dependent]->info['name']));
       
   711         $disabled[] = $filename;
       
   712         $form['disabled_modules']['#value'][$filename] = TRUE;
       
   713       }
       
   714       else {
       
   715         $dependents[] = t('@module (<span class="admin-disabled">disabled</span>)', array('@module' => $files[$dependent]->info['name']));
       
   716       }
       
   717     }
       
   718 
       
   719     // Add text for enabled dependents.
       
   720     if (!empty($dependents)) {
       
   721       $form['description'][$filename]['required'] = array(
       
   722         '#value' => t('Required by: !required', array('!required' => implode(', ', $dependents))),
       
   723         '#prefix' => '<div class="admin-required">',
       
   724         '#suffix' => '</div>',
       
   725       );
       
   726     }
       
   727   }
       
   728 
       
   729   $modules_required = drupal_required_modules();
       
   730   // Merge in required modules.
       
   731   foreach ($modules_required as $required) {
       
   732     $disabled[] = $required;
       
   733     $form['disabled_modules']['#value'][$required] = TRUE;
       
   734   }
       
   735 
       
   736   // Handle status checkboxes, including overriding
       
   737   // the generated checkboxes for required modules.
       
   738   $form['status'] = array(
       
   739     '#type' => 'checkboxes',
       
   740     '#default_value' => $status,
       
   741     '#options' => $options,
       
   742     '#process' => array(
       
   743       'expand_checkboxes',
       
   744       'system_modules_disable',
       
   745     ),
       
   746     '#disabled_modules' => $disabled,
       
   747     '#incompatible_modules_core' => $incompatible_core,
       
   748     '#incompatible_modules_php' => $incompatible_php,
       
   749   );
       
   750 
       
   751   // Handle throttle checkboxes, including overriding the
       
   752   // generated checkboxes for required modules.
       
   753   if (module_exists('throttle')) {
       
   754     $form['throttle'] = array(
       
   755       '#type' => 'checkboxes',
       
   756       '#default_value' => $throttle,
       
   757       '#options' => $options,
       
   758       '#process' => array(
       
   759         'expand_checkboxes',
       
   760         'system_modules_disable',
       
   761       ),
       
   762       '#disabled_modules' => array_merge($modules_required, array('throttle')),
       
   763     );
       
   764   }
       
   765 
       
   766   $form['buttons']['submit'] = array(
       
   767     '#type' => 'submit',
       
   768     '#value' => t('Save configuration'),
       
   769   );
       
   770   $form['#action'] = url('admin/build/modules/list/confirm');
       
   771 
       
   772   return $form;
       
   773 }
       
   774 
       
   775 /**
       
   776  * Array sorting callback; sorts modules or themes by their name.
       
   777  */
       
   778 function system_sort_modules_by_info_name($a, $b) {
       
   779   return strcasecmp($a->info['name'], $b->info['name']);
       
   780 }
       
   781 
       
   782 /**
       
   783  * Form process callback function to disable check boxes.
       
   784  *
       
   785  * @param $form
       
   786  *   The form structure.
       
   787  * @param $edit
       
   788  *   Not used.
       
   789  * @ingroup forms
       
   790  * @return
       
   791  *   The form structure.
       
   792  */
       
   793 function system_modules_disable($form, $edit) {
       
   794   foreach ($form['#disabled_modules'] as $key) {
       
   795     $form[$key]['#attributes']['disabled'] = 'disabled';
       
   796   }
       
   797   return $form;
       
   798 }
       
   799 
       
   800 /**
       
   801  * Display confirmation form for dependencies.
       
   802  *
       
   803  * @param $modules
       
   804  *   Array of module file objects as returned from module_rebuild_cache().
       
   805  * @param $storage
       
   806  *   The contents of $form_state['storage']; an array with two
       
   807  *   elements: the list of dependencies and the list of status
       
   808  *   form field values from the previous screen.
       
   809  * @ingroup forms
       
   810  */
       
   811 function system_modules_confirm_form($modules, $storage) {
       
   812   $form = array();
       
   813   $items = array();
       
   814 
       
   815   list($dependencies, $status) = $storage;
       
   816   $form['validation_modules'] = array('#type' => 'value', '#value' => $modules);
       
   817   $form['status']['#tree'] = TRUE;
       
   818   // Remember list of modules selected on the module listing page already.
       
   819   foreach ($status as $key => $choice) {
       
   820     $form['status'][$key] = array('#type' => 'value', '#value' => $choice);
       
   821   }
       
   822   foreach ($dependencies as $name => $missing_dependencies) {
       
   823     $form['status'][$name] = array('#type' => 'hidden', '#value' => 1);
       
   824     foreach ($missing_dependencies as $k => $dependency) {
       
   825       $form['status'][$dependency] = array('#type' => 'hidden', '#value' => 1);
       
   826       $info = $modules[$dependency]->info;
       
   827       $missing_dependencies[$k] = $info['name'] ? $info['name'] : drupal_ucfirst($dependency);
       
   828     }
       
   829     $t_argument = array(
       
   830       '@module' => $modules[$name]->info['name'],
       
   831       '@dependencies' => implode(', ', $missing_dependencies),
       
   832     );
       
   833     $items[] = format_plural(count($missing_dependencies), 'You must enable the @dependencies module to install @module.', 'You must enable the @dependencies modules to install @module.', $t_argument);
       
   834   }
       
   835   $form['text'] = array('#value' => theme('item_list', $items));
       
   836 
       
   837   if ($form) {
       
   838     // Set some default form values
       
   839     $form = confirm_form(
       
   840       $form,
       
   841       t('Some required modules must be enabled'),
       
   842       'admin/build/modules',
       
   843       t('Would you like to continue with enabling the above?'),
       
   844       t('Continue'),
       
   845       t('Cancel'));
       
   846     return $form;
       
   847   }
       
   848 }
       
   849 
       
   850 /**
       
   851  * Submit callback; handles modules form submission.
       
   852  */
       
   853 function system_modules_submit($form, &$form_state) {
       
   854   include_once './includes/install.inc';
       
   855   $new_modules = array();
       
   856 
       
   857   // If we are coming from the confirm form...
       
   858   if (!isset($form_state['storage'])) {
       
   859     // Merge in disabled active modules since they should be enabled.
       
   860     // They don't appear because disabled checkboxes are not submitted
       
   861     // by browsers.
       
   862     $form_state['values']['status'] = array_merge($form_state['values']['status'], $form_state['values']['disabled_modules']);
       
   863 
       
   864     // Check values for dependency that we can't install.
       
   865     if ($dependencies = system_module_build_dependencies($form_state['values']['validation_modules'], $form_state['values'])) {
       
   866       // These are the modules that depend on existing modules.
       
   867       foreach (array_keys($dependencies) as $name) {
       
   868         $form_state['values']['status'][$name] = 0;
       
   869       }
       
   870     }
       
   871   }
       
   872   else {
       
   873     $dependencies = NULL;
       
   874   }
       
   875 
       
   876   // Update throttle settings, if present
       
   877   if (isset($form_state['values']['throttle'])) {
       
   878     foreach ($form_state['values']['throttle'] as $key => $choice) {
       
   879       db_query("UPDATE {system} SET throttle = %d WHERE type = 'module' and name = '%s'", $choice ? 1 : 0, $key);
       
   880     }
       
   881   }
       
   882 
       
   883   // If there where unmet dependencies and they haven't confirmed don't process
       
   884   // the submission yet. Store the form submission data needed later.
       
   885   if ($dependencies) {
       
   886     if (!isset($form_state['values']['confirm'])) {
       
   887       $form_state['storage'] = array($dependencies, $form_state['values']['status']);
       
   888       return;
       
   889     }
       
   890     else {
       
   891       $form_state['values']['status'] = array_merge($form_state['values']['status'], $form_storage[1]);
       
   892     }
       
   893   }
       
   894   // If we have no dependencies, or the dependencies are confirmed
       
   895   // to be installed, we don't need the temporary storage anymore.
       
   896   unset($form_state['storage']);
       
   897 
       
   898   $enable_modules = array();
       
   899   $disable_modules = array();
       
   900   foreach ($form_state['values']['status'] as $key => $choice) {
       
   901     if ($choice) {
       
   902       if (drupal_get_installed_schema_version($key) == SCHEMA_UNINSTALLED) {
       
   903         $new_modules[] = $key;
       
   904       }
       
   905       else {
       
   906         $enable_modules[] = $key;
       
   907       }
       
   908     }
       
   909     else {
       
   910       $disable_modules[] = $key;
       
   911     }
       
   912   }
       
   913 
       
   914   $old_module_list = module_list();
       
   915 
       
   916   if (!empty($enable_modules)) {
       
   917     module_enable($enable_modules);
       
   918   }
       
   919   if (!empty($disable_modules)) {
       
   920     module_disable($disable_modules);
       
   921   }
       
   922 
       
   923   // Install new modules.
       
   924   foreach ($new_modules as $key => $module) {
       
   925     if (!drupal_check_module($module)) {
       
   926       unset($new_modules[$key]);
       
   927     }
       
   928   }
       
   929   drupal_install_modules($new_modules);
       
   930 
       
   931   $current_module_list = module_list(TRUE, FALSE);
       
   932   if ($old_module_list != $current_module_list) {
       
   933     drupal_set_message(t('The configuration options have been saved.'));
       
   934   }
       
   935 
       
   936   drupal_clear_css_cache();
       
   937   drupal_clear_js_cache();
       
   938 
       
   939   $form_state['redirect'] = 'admin/build/modules';
       
   940 
       
   941   // Notify locale module about module changes, so translations can be
       
   942   // imported. This might start a batch, and only return to the redirect
       
   943   // path after that.
       
   944   module_invoke('locale', 'system_update', $new_modules);
       
   945 
       
   946   // Synchronize to catch any actions that were added or removed.
       
   947   actions_synchronize();
       
   948 
       
   949   return;
       
   950 }
       
   951 
       
   952 
       
   953 /**
       
   954  * Generate a list of dependencies for modules that are going to be switched on.
       
   955  *
       
   956  * @param $modules
       
   957  *   The list of modules to check.
       
   958  * @param $form_values
       
   959  *   Submitted form values used to determine what modules have been enabled.
       
   960  * @return
       
   961  *   An array of dependencies.
       
   962  */
       
   963 function system_module_build_dependencies($modules, $form_values) {
       
   964   static $dependencies;
       
   965 
       
   966   if (!isset($dependencies) && isset($form_values)) {
       
   967     $dependencies = array();
       
   968     foreach ($modules as $name => $module) {
       
   969       // If the module is disabled, will be switched on and it has dependencies.
       
   970       if (!$module->status && $form_values['status'][$name] && isset($module->info['dependencies'])) {
       
   971         foreach ($module->info['dependencies'] as $dependency) {
       
   972           if (!$form_values['status'][$dependency] && isset($modules[$dependency])) {
       
   973             if (!isset($dependencies[$name])) {
       
   974               $dependencies[$name] = array();
       
   975             }
       
   976             $dependencies[$name][] = $dependency;
       
   977           }
       
   978         }
       
   979       }
       
   980     }
       
   981   }
       
   982   return $dependencies;
       
   983 }
       
   984 
       
   985 /**
       
   986  * Uninstall functions
       
   987  */
       
   988 
       
   989 /**
       
   990  * Builds a form of currently disabled modules.
       
   991  *
       
   992  * @ingroup forms
       
   993  * @see system_modules_uninstall_validate()
       
   994  * @see system_modules_uninstall_submit()
       
   995  * @param $form_state['values']
       
   996  *   Submitted form values.
       
   997  * @return
       
   998  *   A form array representing the currently disabled modules.
       
   999  */
       
  1000 function system_modules_uninstall($form_state = NULL) {
       
  1001   // Make sure the install API is available.
       
  1002   include_once './includes/install.inc';
       
  1003 
       
  1004   // Display the confirm form if any modules have been submitted.
       
  1005   if (isset($form_state) && $confirm_form = system_modules_uninstall_confirm_form($form_state['storage'])) {
       
  1006     return $confirm_form;
       
  1007   }
       
  1008 
       
  1009   $form = array();
       
  1010 
       
  1011   // Pull all disabled modules from the system table.
       
  1012   $disabled_modules = db_query("SELECT name, filename, info FROM {system} WHERE type = 'module' AND status = 0 AND schema_version > %d ORDER BY name", SCHEMA_UNINSTALLED);
       
  1013   while ($module = db_fetch_object($disabled_modules)) {
       
  1014 
       
  1015     // Grab the module info
       
  1016     $info = unserialize($module->info);
       
  1017 
       
  1018     // Load the .install file, and check for an uninstall hook.
       
  1019     // If the hook exists, the module can be uninstalled.
       
  1020     module_load_install($module->name);
       
  1021     if (module_hook($module->name, 'uninstall')) {
       
  1022       $form['modules'][$module->name]['name'] = array('#value' => $info['name'] ? $info['name'] : $module->name);
       
  1023       $form['modules'][$module->name]['description'] = array('#value' => t($info['description']));
       
  1024       $options[$module->name] = '';
       
  1025     }
       
  1026   }
       
  1027 
       
  1028   // Only build the rest of the form if there are any modules available to uninstall.
       
  1029   if (!empty($options)) {
       
  1030     $form['uninstall'] = array(
       
  1031       '#type' => 'checkboxes',
       
  1032       '#options' => $options,
       
  1033     );
       
  1034     $form['buttons']['submit'] = array(
       
  1035       '#type' => 'submit',
       
  1036       '#value' => t('Uninstall'),
       
  1037     );
       
  1038     $form['#action'] = url('admin/build/modules/uninstall/confirm');
       
  1039   }
       
  1040   else {
       
  1041     $form['modules'] = array();
       
  1042   }
       
  1043 
       
  1044   return $form;
       
  1045 }
       
  1046 
       
  1047 /**
       
  1048  * Confirm uninstall of selected modules.
       
  1049  *
       
  1050  * @ingroup forms
       
  1051  * @param $storage
       
  1052  *   An associative array of modules selected to be uninstalled.
       
  1053  * @return
       
  1054  *   A form array representing modules to confirm.
       
  1055  */
       
  1056 function system_modules_uninstall_confirm_form($storage) {
       
  1057   // Nothing to build.
       
  1058   if (!isset($storage)) {
       
  1059     return;
       
  1060   }
       
  1061 
       
  1062   // Construct the hidden form elements and list items.
       
  1063   foreach (array_filter($storage['uninstall']) as $module => $value) {
       
  1064     $info = drupal_parse_info_file(dirname(drupal_get_filename('module', $module)) .'/'. $module .'.info');
       
  1065     $uninstall[] = $info['name'];
       
  1066     $form['uninstall'][$module] = array('#type' => 'hidden',
       
  1067       '#value' => 1,
       
  1068     );
       
  1069   }
       
  1070 
       
  1071   // Display a confirm form if modules have been selected.
       
  1072   if (isset($uninstall)) {
       
  1073     $form['#confirmed'] = TRUE;
       
  1074     $form['uninstall']['#tree'] = TRUE;
       
  1075     $form['modules'] = array('#value' => '<p>'. t('The following modules will be completely uninstalled from your site, and <em>all data from these modules will be lost</em>!') .'</p>'. theme('item_list', $uninstall));
       
  1076     $form = confirm_form(
       
  1077       $form,
       
  1078       t('Confirm uninstall'),
       
  1079       'admin/build/modules/uninstall',
       
  1080       t('Would you like to continue with uninstalling the above?'),
       
  1081       t('Uninstall'),
       
  1082       t('Cancel'));
       
  1083     return $form;
       
  1084   }
       
  1085 }
       
  1086 
       
  1087 /**
       
  1088  * Validates the submitted uninstall form.
       
  1089  */
       
  1090 function system_modules_uninstall_validate($form, &$form_state) {
       
  1091   // Form submitted, but no modules selected.
       
  1092   if (!count(array_filter($form_state['values']['uninstall']))) {
       
  1093     drupal_set_message(t('No modules selected.'), 'error');
       
  1094     drupal_goto('admin/build/modules/uninstall');
       
  1095   }
       
  1096 }
       
  1097 
       
  1098 /**
       
  1099  * Processes the submitted uninstall form.
       
  1100  */
       
  1101 function system_modules_uninstall_submit($form, &$form_state) {
       
  1102   // Make sure the install API is available.
       
  1103   include_once './includes/install.inc';
       
  1104 
       
  1105   if (!empty($form['#confirmed'])) {
       
  1106     // Call the uninstall routine for each selected module.
       
  1107     foreach (array_filter($form_state['values']['uninstall']) as $module => $value) {
       
  1108       drupal_uninstall_module($module);
       
  1109     }
       
  1110     drupal_set_message(t('The selected modules have been uninstalled.'));
       
  1111 
       
  1112     unset($form_state['storage']);
       
  1113     $form_state['redirect'] = 'admin/build/modules/uninstall';
       
  1114   }
       
  1115   else {
       
  1116     $form_state['storage'] = $form_state['values'];
       
  1117   }
       
  1118 }
       
  1119 
       
  1120 /**
       
  1121  * Form builder; The general site information form.
       
  1122  *
       
  1123  * @ingroup forms
       
  1124  * @see system_settings_form()
       
  1125  */
       
  1126 function system_site_information_settings() {
       
  1127   $form['site_name'] = array(
       
  1128     '#type' => 'textfield',
       
  1129     '#title' => t('Name'),
       
  1130     '#default_value' => variable_get('site_name', 'Drupal'),
       
  1131     '#description' => t('The name of this website.'),
       
  1132     '#required' => TRUE
       
  1133   );
       
  1134   $form['site_mail'] = array(
       
  1135     '#type' => 'textfield',
       
  1136     '#title' => t('E-mail address'),
       
  1137     '#default_value' => variable_get('site_mail', ini_get('sendmail_from')),
       
  1138     '#description' => t("The <em>From</em> address in automated e-mails sent during registration and new password requests, and other notifications. (Use an address ending in your site's domain to help prevent this e-mail being flagged as spam.)"),
       
  1139     '#required' => TRUE,
       
  1140   );
       
  1141   $form['site_slogan'] = array(
       
  1142     '#type' => 'textfield',
       
  1143     '#title' => t('Slogan'),
       
  1144     '#default_value' => variable_get('site_slogan', ''),
       
  1145     '#description' => t("Your site's motto, tag line, or catchphrase (often displayed alongside the title of the site).")
       
  1146   );
       
  1147   $form['site_mission'] = array(
       
  1148     '#type' => 'textarea',
       
  1149     '#title' => t('Mission'),
       
  1150     '#default_value' => variable_get('site_mission', ''),
       
  1151     '#description' => t("Your site's mission or focus statement (often prominently displayed on the front page).")
       
  1152   );
       
  1153   $form['site_footer'] = array(
       
  1154     '#type' => 'textarea',
       
  1155     '#title' => t('Footer message'),
       
  1156     '#default_value' => variable_get('site_footer', ''),
       
  1157     '#description' => t('This text will be displayed at the bottom of each page. Useful for adding a copyright notice to your pages.')
       
  1158   );
       
  1159   $form['anonymous'] = array(
       
  1160     '#type' => 'textfield',
       
  1161     '#title' => t('Anonymous user'),
       
  1162     '#default_value' => variable_get('anonymous', t('Anonymous')),
       
  1163     '#description' => t('The name used to indicate anonymous users.'),
       
  1164     '#required' => TRUE,
       
  1165   );
       
  1166   $form['site_frontpage'] = array(
       
  1167     '#type' => 'textfield',
       
  1168     '#title' => t('Default front page'),
       
  1169     '#default_value' => variable_get('site_frontpage', 'node'),
       
  1170     '#size' => 40,
       
  1171     '#description' => t('The home page displays content from this relative URL. If unsure, specify "node".'),
       
  1172     '#field_prefix' => url(NULL, array('absolute' => TRUE)) . (variable_get('clean_url', 0) ? '' : '?q='),
       
  1173     '#required' => TRUE,
       
  1174   );
       
  1175   $form['#validate'][] = 'system_site_information_settings_validate';
       
  1176 
       
  1177   return system_settings_form($form);
       
  1178 }
       
  1179 
       
  1180 /**
       
  1181  * Validate the submitted site-information form.
       
  1182  */
       
  1183 function system_site_information_settings_validate($form, &$form_state) {
       
  1184   // Validate the e-mail address.
       
  1185   if ($error = user_validate_mail($form_state['values']['site_mail'])) {
       
  1186     form_set_error('site_mail', $error);
       
  1187   }
       
  1188   // Validate front page path.
       
  1189   $item = array('link_path' => $form_state['values']['site_frontpage']);
       
  1190   $normal_path = drupal_get_normal_path($item['link_path']);
       
  1191   if ($item['link_path'] != $normal_path) {
       
  1192     drupal_set_message(t('The menu system stores system paths only, but will use the URL alias for display. %link_path has been stored as %normal_path', array('%link_path' => $item['link_path'], '%normal_path' => $normal_path)));
       
  1193     $item['link_path'] = $normal_path;
       
  1194   }
       
  1195   if (!empty($item) && !menu_valid_path($item)) {
       
  1196     form_set_error('site_frontpage', t("The path '@path' is either invalid or you do not have access to it.", array('@path' => $item['link_path'])));
       
  1197   }
       
  1198 }
       
  1199 
       
  1200 /**
       
  1201  * Form builder; Configure error reporting settings.
       
  1202  *
       
  1203  * @ingroup forms
       
  1204  * @see system_settings_form()
       
  1205  */
       
  1206 function system_error_reporting_settings() {
       
  1207 
       
  1208   $form['site_403'] = array(
       
  1209     '#type' => 'textfield',
       
  1210     '#title' => t('Default 403 (access denied) page'),
       
  1211     '#default_value' => variable_get('site_403', ''),
       
  1212     '#size' => 40,
       
  1213     '#description' => t('This page is displayed when the requested document is denied to the current user. If unsure, specify nothing.'),
       
  1214     '#field_prefix' => url(NULL, array('absolute' => TRUE)) . (variable_get('clean_url', 0) ? '' : '?q=')
       
  1215   );
       
  1216 
       
  1217   $form['site_404'] = array(
       
  1218     '#type' => 'textfield',
       
  1219     '#title' => t('Default 404 (not found) page'),
       
  1220     '#default_value' => variable_get('site_404', ''),
       
  1221     '#size' => 40,
       
  1222     '#description' => t('This page is displayed when no other content matches the requested document. If unsure, specify nothing.'),
       
  1223     '#field_prefix' => url(NULL, array('absolute' => TRUE)) . (variable_get('clean_url', 0) ? '' : '?q=')
       
  1224   );
       
  1225 
       
  1226   $form['error_level'] = array(
       
  1227     '#type' => 'select', '#title' => t('Error reporting'), '#default_value' => variable_get('error_level', 1),
       
  1228     '#options' => array(t('Write errors to the log'), t('Write errors to the log and to the screen')),
       
  1229     '#description' => t('Specify where Drupal, PHP and SQL errors are logged. While it is recommended that a site running in a production environment write errors to the log only, in a development or testing environment it may be helpful to write errors both to the log and to the screen.')
       
  1230   );
       
  1231 
       
  1232   return system_settings_form($form);
       
  1233 }
       
  1234 
       
  1235 /**
       
  1236  * Menu callback; Menu page for the various logging options.
       
  1237  */
       
  1238 function system_logging_overview() {
       
  1239   $item = menu_get_item('admin/settings/logging');
       
  1240   $content = system_admin_menu_block($item);
       
  1241 
       
  1242   $output = theme('admin_block_content', $content);
       
  1243 
       
  1244   return $output;
       
  1245 }
       
  1246 
       
  1247 /**
       
  1248  * Form builder; Configure site performance settings.
       
  1249  *
       
  1250  * @ingroup forms
       
  1251  * @see system_settings_form()
       
  1252  */
       
  1253 function system_performance_settings() {
       
  1254 
       
  1255   $description = '<p>'. t("The normal cache mode is suitable for most sites and does not cause any side effects. The aggressive cache mode causes Drupal to skip the loading (boot) and unloading (exit) of enabled modules when serving a cached page. This results in an additional performance boost but can cause unwanted side effects.") .'</p>';
       
  1256 
       
  1257   $problem_modules = array_unique(array_merge(module_implements('boot'), module_implements('exit')));
       
  1258   sort($problem_modules);
       
  1259 
       
  1260   if (count($problem_modules) > 0) {
       
  1261     $description .= '<p>'. t('<strong class="error">The following enabled modules are incompatible with aggressive mode caching and will not function properly: %modules</strong>', array('%modules' => implode(', ', $problem_modules))) .'.</p>';
       
  1262   }
       
  1263   else {
       
  1264     $description .= '<p>'. t('<strong class="ok">Currently, all enabled modules are compatible with the aggressive caching policy.</strong> Please note, if you use aggressive caching and enable new modules, you will need to check this page again to ensure compatibility.') .'</p>';
       
  1265   }
       
  1266   $form['page_cache'] = array(
       
  1267     '#type' => 'fieldset',
       
  1268     '#title' => t('Page cache'),
       
  1269     '#description' => t('Enabling the page cache will offer a significant performance boost. Drupal can store and send compressed cached pages requested by <em>anonymous</em> users. By caching a web page, Drupal does not have to construct the page each time it is viewed.'),
       
  1270   );
       
  1271 
       
  1272   $form['page_cache']['cache'] = array(
       
  1273     '#type' => 'radios',
       
  1274     '#title' => t('Caching mode'),
       
  1275     '#default_value' => variable_get('cache', CACHE_DISABLED),
       
  1276     '#options' => array(CACHE_DISABLED => t('Disabled'), CACHE_NORMAL => t('Normal (recommended for production sites, no side effects)'), CACHE_AGGRESSIVE => t('Aggressive (experts only, possible side effects)')),
       
  1277     '#description' => $description
       
  1278   );
       
  1279 
       
  1280   $period = drupal_map_assoc(array(0, 60, 180, 300, 600, 900, 1800, 2700, 3600, 10800, 21600, 32400, 43200, 86400), 'format_interval');
       
  1281   $period[0] = '<'. t('none') .'>';
       
  1282   $form['page_cache']['cache_lifetime'] = array(
       
  1283     '#type' => 'select',
       
  1284     '#title' => t('Minimum cache lifetime'),
       
  1285     '#default_value' => variable_get('cache_lifetime', 0),
       
  1286     '#options' => $period,
       
  1287     '#description' => t('On high-traffic sites, it may be necessary to enforce a minimum cache lifetime. The minimum cache lifetime is the minimum amount of time that will elapse before the cache is emptied and recreated, and is applied to both page and block caches. A larger minimum cache lifetime offers better performance, but users will not see new content for a longer period of time.')
       
  1288   );
       
  1289   $form['page_cache']['page_compression'] = array(
       
  1290     '#type' => 'radios',
       
  1291     '#title' => t('Page compression'),
       
  1292     '#default_value' => variable_get('page_compression', TRUE),
       
  1293     '#options' => array(t('Disabled'), t('Enabled')),
       
  1294     '#description' => t("By default, Drupal compresses the pages it caches in order to save bandwidth and improve download times. This option should be disabled when using a webserver that performs compression."),
       
  1295   );
       
  1296 
       
  1297   $form['block_cache'] = array(
       
  1298     '#type' => 'fieldset',
       
  1299     '#title' => t('Block cache'),
       
  1300     '#description' => t('Enabling the block cache can offer a performance increase for all users by preventing blocks from being reconstructed on each page load. If the page cache is also enabled, performance increases from enabling the block cache will mainly benefit authenticated users.'),
       
  1301   );
       
  1302 
       
  1303   $form['block_cache']['block_cache'] = array(
       
  1304     '#type' => 'radios',
       
  1305     '#title' => t('Block cache'),
       
  1306     '#default_value' => variable_get('block_cache', CACHE_DISABLED),
       
  1307     '#options' => array(CACHE_DISABLED => t('Disabled'), CACHE_NORMAL => t('Enabled (recommended)')),
       
  1308     '#disabled' => count(module_implements('node_grants')),
       
  1309     '#description' => t('Note that block caching is inactive when modules defining content access restrictions are enabled.'),
       
  1310   );
       
  1311 
       
  1312   $form['bandwidth_optimizations'] = array(
       
  1313     '#type' => 'fieldset',
       
  1314     '#title' => t('Bandwidth optimizations'),
       
  1315     '#description' => t('<p>Drupal can automatically optimize external resources like CSS and JavaScript, which can reduce both the size and number of requests made to your website. CSS files can be aggregated and compressed into a single file, while JavaScript files are aggregated (but not compressed). These optional optimizations may reduce server load, bandwidth requirements, and page loading times.</p><p>These options are disabled if you have not set up your files directory, or if your download method is set to private.</p>')
       
  1316   );
       
  1317 
       
  1318   $directory = file_directory_path();
       
  1319   $is_writable = is_dir($directory) && is_writable($directory) && (variable_get('file_downloads', FILE_DOWNLOADS_PUBLIC) == FILE_DOWNLOADS_PUBLIC);
       
  1320   $form['bandwidth_optimizations']['preprocess_css'] = array(
       
  1321     '#type' => 'radios',
       
  1322     '#title' => t('Optimize CSS files'),
       
  1323     '#default_value' => intval(variable_get('preprocess_css', 0) && $is_writable),
       
  1324     '#disabled' => !$is_writable,
       
  1325     '#options' => array(t('Disabled'), t('Enabled')),
       
  1326     '#description' => t('This option can interfere with theme development and should only be enabled in a production environment.'),
       
  1327   );
       
  1328   $form['bandwidth_optimizations']['preprocess_js'] = array(
       
  1329     '#type' => 'radios',
       
  1330     '#title' => t('Optimize JavaScript files'),
       
  1331     '#default_value' => intval(variable_get('preprocess_js', 0) && $is_writable),
       
  1332     '#disabled' => !$is_writable,
       
  1333     '#options' => array(t('Disabled'), t('Enabled')),
       
  1334     '#description' => t('This option can interfere with module development and should only be enabled in a production environment.'),
       
  1335   );
       
  1336 
       
  1337   $form['clear_cache'] = array(
       
  1338     '#type' => 'fieldset',
       
  1339     '#title' => t('Clear cached data'),
       
  1340     '#description' => t('Caching data improves performance, but may cause problems while troubleshooting new modules, themes, or translations, if outdated information has been cached. To refresh all cached data on your site, click the button below. <em>Warning: high-traffic sites will experience performance slowdowns while cached data is rebuilt.</em>'),
       
  1341   );
       
  1342 
       
  1343   $form['clear_cache']['clear'] = array(
       
  1344     '#type' => 'submit',
       
  1345     '#value' => t('Clear cached data'),
       
  1346     '#submit' => array('system_clear_cache_submit'),
       
  1347   );
       
  1348 
       
  1349   $form['#submit'][] = 'drupal_clear_css_cache';
       
  1350   $form['#submit'][] = 'drupal_clear_js_cache';
       
  1351 
       
  1352   return system_settings_form($form);
       
  1353 }
       
  1354 
       
  1355 /**
       
  1356  * Submit callback; clear system caches.
       
  1357  *
       
  1358  * @ingroup forms
       
  1359  */
       
  1360 function system_clear_cache_submit($form, &$form_state) {
       
  1361   drupal_flush_all_caches();
       
  1362   drupal_set_message(t('Caches cleared.'));
       
  1363 }
       
  1364 
       
  1365 /**
       
  1366  * Form builder; Configure the site file handling.
       
  1367  *
       
  1368  * @ingroup forms
       
  1369  * @see system_settings_form()
       
  1370  */
       
  1371 function system_file_system_settings() {
       
  1372 
       
  1373   $form['file_directory_path'] = array(
       
  1374     '#type' => 'textfield',
       
  1375     '#title' => t('File system path'),
       
  1376     '#default_value' => file_directory_path(),
       
  1377     '#maxlength' => 255,
       
  1378     '#description' => t('A file system path where the files will be stored. This directory must exist and be writable by Drupal. If the download method is set to public, this directory must be relative to the Drupal installation directory and be accessible over the web. If the download method is set to private, this directory should not be accessible over the web. Changing this location will modify all download paths and may cause unexpected problems on an existing site.'),
       
  1379     '#after_build' => array('system_check_directory'),
       
  1380   );
       
  1381 
       
  1382   $form['file_directory_temp'] = array(
       
  1383     '#type' => 'textfield',
       
  1384     '#title' => t('Temporary directory'),
       
  1385     '#default_value' => file_directory_temp(),
       
  1386     '#maxlength' => 255,
       
  1387     '#description' => t('A file system path where uploaded files will be stored during previews.'),
       
  1388     '#after_build' => array('system_check_directory'),
       
  1389   );
       
  1390 
       
  1391   $form['file_downloads'] = array(
       
  1392     '#type' => 'radios',
       
  1393     '#title' => t('Download method'),
       
  1394     '#default_value' => variable_get('file_downloads', FILE_DOWNLOADS_PUBLIC),
       
  1395     '#options' => array(FILE_DOWNLOADS_PUBLIC => t('Public - files are available using HTTP directly.'), FILE_DOWNLOADS_PRIVATE => t('Private - files are transferred by Drupal.')),
       
  1396     '#description' => t('Choose the <em>Public download</em> method unless you wish to enforce fine-grained access controls over file downloads. Changing the download method will modify all download paths and may cause unexpected problems on an existing site.')
       
  1397   );
       
  1398 
       
  1399   return system_settings_form($form);
       
  1400 }
       
  1401 
       
  1402 /**
       
  1403  * Form builder; Configure site image toolkit usage.
       
  1404  *
       
  1405  * @ingroup forms
       
  1406  * @see system_settings_form()
       
  1407  */
       
  1408 function system_image_toolkit_settings() {
       
  1409   $toolkits_available = image_get_available_toolkits();
       
  1410   if (count($toolkits_available) > 1) {
       
  1411     $form['image_toolkit'] = array(
       
  1412       '#type' => 'radios',
       
  1413       '#title' => t('Select an image processing toolkit'),
       
  1414       '#default_value' => variable_get('image_toolkit', image_get_toolkit()),
       
  1415       '#options' => $toolkits_available
       
  1416     );
       
  1417   }
       
  1418   elseif (count($toolkits_available) == 1) {
       
  1419     variable_set('image_toolkit', key($toolkits_available));
       
  1420   }
       
  1421 
       
  1422   $form['image_toolkit_settings'] = image_toolkit_invoke('settings');
       
  1423 
       
  1424   return system_settings_form($form);
       
  1425 }
       
  1426 
       
  1427 /**
       
  1428  * Form builder; Configure how the site handles RSS feeds.
       
  1429  *
       
  1430  * @ingroup forms
       
  1431  * @see system_settings_form()
       
  1432  */
       
  1433 function system_rss_feeds_settings() {
       
  1434 
       
  1435   $form['feed_default_items'] = array(
       
  1436     '#type' => 'select',
       
  1437     '#title' => t('Number of items in each feed'),
       
  1438     '#default_value' => variable_get('feed_default_items', 10),
       
  1439     '#options' => drupal_map_assoc(array(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 15, 20, 25, 30)),
       
  1440     '#description' => t('Default number of items to include in each feed.')
       
  1441   );
       
  1442   $form['feed_item_length'] = array(
       
  1443     '#type' => 'select',
       
  1444     '#title' => t('Feed content'),
       
  1445     '#default_value' => variable_get('feed_item_length', 'teaser'),
       
  1446     '#options' => array('title' => t('Titles only'), 'teaser' => t('Titles plus teaser'), 'fulltext' => t('Full text')),
       
  1447     '#description' => t('Global setting for the default display of content items in each feed.')
       
  1448   );
       
  1449 
       
  1450   return system_settings_form($form);
       
  1451 }
       
  1452 
       
  1453 /**
       
  1454  * Form builder; Configure the site date and time settings.
       
  1455  *
       
  1456  * @ingroup forms
       
  1457  * @see system_settings_form()
       
  1458  * @see system_date_time_settings_submit()
       
  1459  */
       
  1460 function system_date_time_settings() {
       
  1461   drupal_add_js(drupal_get_path('module', 'system') .'/system.js', 'module');
       
  1462   drupal_add_js(array('dateTime' => array('lookup' => url('admin/settings/date-time/lookup'))), 'setting');
       
  1463 
       
  1464   // Date settings:
       
  1465   $zones = _system_zonelist();
       
  1466 
       
  1467   // Date settings: possible date formats
       
  1468   $date_short = array('Y-m-d H:i', 'm/d/Y - H:i', 'd/m/Y - H:i', 'Y/m/d - H:i',
       
  1469            'd.m.Y - H:i', 'm/d/Y - g:ia', 'd/m/Y - g:ia', 'Y/m/d - g:ia',
       
  1470            'M j Y - H:i', 'j M Y - H:i', 'Y M j - H:i',
       
  1471            'M j Y - g:ia', 'j M Y - g:ia', 'Y M j - g:ia');
       
  1472   $date_medium = array('D, Y-m-d H:i', 'D, m/d/Y - H:i', 'D, d/m/Y - H:i',
       
  1473           'D, Y/m/d - H:i', 'F j, Y - H:i', 'j F, Y - H:i', 'Y, F j - H:i',
       
  1474           'D, m/d/Y - g:ia', 'D, d/m/Y - g:ia', 'D, Y/m/d - g:ia',
       
  1475           'F j, Y - g:ia', 'j F Y - g:ia', 'Y, F j - g:ia', 'j. F Y - G:i');
       
  1476   $date_long = array('l, F j, Y - H:i', 'l, j F, Y - H:i', 'l, Y, F j - H:i',
       
  1477         'l, F j, Y - g:ia', 'l, j F Y - g:ia', 'l, Y, F j - g:ia', 'l, j. F Y - G:i');
       
  1478 
       
  1479   // Date settings: construct choices for user
       
  1480   foreach ($date_short as $f) {
       
  1481     $date_short_choices[$f] = format_date(time(), 'custom', $f);
       
  1482   }
       
  1483   foreach ($date_medium as $f) {
       
  1484     $date_medium_choices[$f] = format_date(time(), 'custom', $f);
       
  1485   }
       
  1486   foreach ($date_long as $f) {
       
  1487     $date_long_choices[$f] = format_date(time(), 'custom', $f);
       
  1488   }
       
  1489 
       
  1490   $date_long_choices['custom'] = $date_medium_choices['custom'] = $date_short_choices['custom'] = t('Custom format');
       
  1491 
       
  1492   $form['locale'] = array(
       
  1493     '#type' => 'fieldset',
       
  1494     '#title' => t('Locale settings'),
       
  1495   );
       
  1496 
       
  1497   $form['locale']['date_default_timezone'] = array(
       
  1498     '#type' => 'select',
       
  1499     '#title' => t('Default time zone'),
       
  1500     '#default_value' => variable_get('date_default_timezone', 0),
       
  1501     '#options' => $zones,
       
  1502     '#description' => t('Select the default site time zone.')
       
  1503   );
       
  1504 
       
  1505   $form['locale']['configurable_timezones'] = array(
       
  1506     '#type' => 'radios',
       
  1507     '#title' => t('User-configurable time zones'),
       
  1508     '#default_value' => variable_get('configurable_timezones', 1),
       
  1509     '#options' => array(t('Disabled'), t('Enabled')),
       
  1510     '#description' => t('When enabled, users can set their own time zone and dates will be displayed accordingly.')
       
  1511   );
       
  1512 
       
  1513   $form['locale']['date_first_day'] = array(
       
  1514     '#type' => 'select',
       
  1515     '#title' => t('First day of week'),
       
  1516     '#default_value' => variable_get('date_first_day', 0),
       
  1517     '#options' => array(0 => t('Sunday'), 1 => t('Monday'), 2 => t('Tuesday'), 3 => t('Wednesday'), 4 => t('Thursday'), 5 => t('Friday'), 6 => t('Saturday')),
       
  1518     '#description' => t('The first day of the week for calendar views.')
       
  1519   );
       
  1520 
       
  1521   $form['date_formats'] = array(
       
  1522     '#type' => 'fieldset',
       
  1523     '#title' => t('Formatting'),
       
  1524   );
       
  1525 
       
  1526   $date_format_short = variable_get('date_format_short', $date_short[1]);
       
  1527   $form['date_formats']['date_format_short'] = array(
       
  1528     '#prefix' => '<div class="date-container"><div class="select-container">',
       
  1529     '#suffix' => '</div>',
       
  1530     '#type' => 'select',
       
  1531     '#title' => t('Short date format'),
       
  1532     '#attributes' => array('class' => 'date-format'),
       
  1533     '#default_value' => (isset($date_short_choices[$date_format_short]) ? $date_format_short : 'custom'),
       
  1534     '#options' => $date_short_choices,
       
  1535     '#description' => t('The short format of date display.'),
       
  1536   );
       
  1537 
       
  1538   $default_short_custom = variable_get('date_format_short_custom', (isset($date_short_choices[$date_format_short]) ? $date_format_short : ''));
       
  1539   $form['date_formats']['date_format_short_custom'] = array(
       
  1540     '#prefix' => '<div class="custom-container">',
       
  1541     '#suffix' => '</div></div>',
       
  1542     '#type' => 'textfield',
       
  1543     '#title' => t('Custom short date format'),
       
  1544     '#attributes' => array('class' => 'custom-format'),
       
  1545     '#default_value' => $default_short_custom,
       
  1546     '#description' => t('A user-defined short date format. See the <a href="@url">PHP manual</a> for available options. This format is currently set to display as <span>%date</span>.', array('@url' => 'http://php.net/manual/function.date.php', '%date' => format_date(time(), 'custom', $default_short_custom))),
       
  1547   );
       
  1548 
       
  1549   $date_format_medium = variable_get('date_format_medium', $date_medium[1]);
       
  1550   $form['date_formats']['date_format_medium'] = array(
       
  1551     '#prefix' => '<div class="date-container"><div class="select-container">',
       
  1552     '#suffix' => '</div>',
       
  1553     '#type' => 'select',
       
  1554     '#title' => t('Medium date format'),
       
  1555     '#attributes' => array('class' => 'date-format'),
       
  1556     '#default_value' => (isset($date_medium_choices[$date_format_medium]) ? $date_format_medium : 'custom'),
       
  1557     '#options' => $date_medium_choices,
       
  1558     '#description' => t('The medium sized date display.'),
       
  1559   );
       
  1560 
       
  1561   $default_medium_custom = variable_get('date_format_medium_custom', (isset($date_medium_choices[$date_format_medium]) ? $date_format_medium : ''));
       
  1562   $form['date_formats']['date_format_medium_custom'] = array(
       
  1563     '#prefix' => '<div class="custom-container">',
       
  1564     '#suffix' => '</div></div>',
       
  1565     '#type' => 'textfield',
       
  1566     '#title' => t('Custom medium date format'),
       
  1567     '#attributes' => array('class' => 'custom-format'),
       
  1568     '#default_value' => $default_medium_custom,
       
  1569     '#description' => t('A user-defined medium date format. See the <a href="@url">PHP manual</a> for available options. This format is currently set to display as <span>%date</span>.', array('@url' => 'http://php.net/manual/function.date.php', '%date' => format_date(time(), 'custom', $default_medium_custom))),
       
  1570   );
       
  1571 
       
  1572   $date_format_long = variable_get('date_format_long', $date_long[0]);
       
  1573   $form['date_formats']['date_format_long'] = array(
       
  1574     '#prefix' => '<div class="date-container"><div class="select-container">',
       
  1575     '#suffix' => '</div>',
       
  1576     '#type' => 'select',
       
  1577     '#title' => t('Long date format'),
       
  1578     '#attributes' => array('class' => 'date-format'),
       
  1579     '#default_value' => (isset($date_long_choices[$date_format_long]) ? $date_format_long : 'custom'),
       
  1580     '#options' => $date_long_choices,
       
  1581     '#description' => t('Longer date format used for detailed display.')
       
  1582   );
       
  1583 
       
  1584   $default_long_custom = variable_get('date_format_long_custom', (isset($date_long_choices[$date_format_long]) ? $date_format_long : ''));
       
  1585   $form['date_formats']['date_format_long_custom'] = array(
       
  1586     '#prefix' => '<div class="custom-container">',
       
  1587     '#suffix' => '</div></div>',
       
  1588     '#type' => 'textfield',
       
  1589     '#title' => t('Custom long date format'),
       
  1590     '#attributes' => array('class' => 'custom-format'),
       
  1591     '#default_value' => $default_long_custom,
       
  1592     '#description' => t('A user-defined long date format. See the <a href="@url">PHP manual</a> for available options. This format is currently set to display as <span>%date</span>.', array('@url' => 'http://php.net/manual/function.date.php', '%date' => format_date(time(), 'custom', $default_long_custom))),
       
  1593   );
       
  1594 
       
  1595   $form = system_settings_form($form);
       
  1596   // We will call system_settings_form_submit() manually, so remove it for now.
       
  1597   unset($form['#submit']);
       
  1598   return $form;
       
  1599 }
       
  1600 
       
  1601 /**
       
  1602  * Process system_date_time_settings form submissions.
       
  1603  */
       
  1604 function system_date_time_settings_submit($form, &$form_state) {
       
  1605   if ($form_state['values']['date_format_short'] == 'custom') {
       
  1606     $form_state['values']['date_format_short'] = $form_state['values']['date_format_short_custom'];
       
  1607   }
       
  1608   if ($form_state['values']['date_format_medium'] == 'custom') {
       
  1609     $form_state['values']['date_format_medium'] = $form_state['values']['date_format_medium_custom'];
       
  1610   }
       
  1611   if ($form_state['values']['date_format_long'] == 'custom') {
       
  1612     $form_state['values']['date_format_long'] = $form_state['values']['date_format_long_custom'];
       
  1613   }
       
  1614   return system_settings_form_submit($form, $form_state);
       
  1615 }
       
  1616 
       
  1617 /**
       
  1618  * Return the date for a given format string via Ajax.
       
  1619  */
       
  1620 function system_date_time_lookup() {
       
  1621   $result = format_date(time(), 'custom', $_GET['format']);
       
  1622   echo drupal_to_js($result);
       
  1623   exit;
       
  1624 }
       
  1625 
       
  1626 /**
       
  1627  * Form builder; Configure the site's maintenance status.
       
  1628  *
       
  1629  * @ingroup forms
       
  1630  * @see system_settings_form()
       
  1631  */
       
  1632 function system_site_maintenance_settings() {
       
  1633 
       
  1634   $form['site_offline'] = array(
       
  1635     '#type' => 'radios',
       
  1636     '#title' => t('Site status'),
       
  1637     '#default_value' => variable_get('site_offline', 0),
       
  1638     '#options' => array(t('Online'), t('Off-line')),
       
  1639     '#description' => t('When set to "Online", all visitors will be able to browse your site normally. When set to "Off-line", only users with the "administer site configuration" permission will be able to access your site to perform maintenance; all other visitors will see the site off-line message configured below. Authorized users can log in during "Off-line" mode directly via the <a href="@user-login">user login</a> page.', array('@user-login' => url('user'))),
       
  1640   );
       
  1641 
       
  1642   $form['site_offline_message'] = array(
       
  1643     '#type' => 'textarea',
       
  1644     '#title' => t('Site off-line message'),
       
  1645     '#default_value' => variable_get('site_offline_message', t('@site is currently under maintenance. We should be back shortly. Thank you for your patience.', array('@site' => variable_get('site_name', 'Drupal')))),
       
  1646     '#description' => t('Message to show visitors when the site is in off-line mode.')
       
  1647   );
       
  1648 
       
  1649   return system_settings_form($form);
       
  1650 }
       
  1651 
       
  1652 /**
       
  1653  * Form builder; Configure Clean URL settings.
       
  1654  *
       
  1655  * @ingroup forms
       
  1656  * @see system_settings_form()
       
  1657  */
       
  1658 function system_clean_url_settings() {
       
  1659   $form['clean_url'] = array(
       
  1660     '#type' => 'radios',
       
  1661     '#title' => t('Clean URLs'),
       
  1662     '#default_value' => variable_get('clean_url', 0),
       
  1663     '#options' => array(t('Disabled'), t('Enabled')),
       
  1664     '#description' => t('This option makes Drupal emit "clean" URLs (i.e. without <code>?q=</code> in the URL).'),
       
  1665   );
       
  1666 
       
  1667   if (!variable_get('clean_url', 0)) {
       
  1668     if (strpos(request_uri(), '?q=') !== FALSE) {
       
  1669       drupal_add_js(drupal_get_path('module', 'system') .'/system.js', 'module');
       
  1670 
       
  1671       $form['clean_url']['#description'] .= ' <span>'. t('Before enabling clean URLs, you must perform a test to determine if your server is properly configured. If you are able to see this page again after clicking the "Run the clean URL test" link, the test has succeeded and the radio buttons above will be available. If instead you are directed to a "Page not found" error, you will need to change the configuration of your server. The <a href="@handbook">handbook page on Clean URLs</a> has additional troubleshooting information.', array('@handbook' => 'http://drupal.org/node/15365')) .'</span>';
       
  1672 
       
  1673       $form['clean_url']['#disabled'] = TRUE;
       
  1674       $form['clean_url']['#prefix'] = '<div id="clean-url">';
       
  1675       $form['clean_url']['#suffix'] = '<p>'. t('<a href="@clean_url">Run the clean url test</a>.', array('@clean_url' => base_path() .'admin/settings/clean-urls')) .'</p></div>';
       
  1676     }
       
  1677     else {
       
  1678       $form['clean_url']['#description'] .= ' <div class="ok">'. t('Your server has been successfully tested to support this feature.') .'</div>';
       
  1679     }
       
  1680   }
       
  1681 
       
  1682   return system_settings_form($form);
       
  1683 }
       
  1684 
       
  1685 /**
       
  1686  * Menu callback: displays the site status report. Can also be used as a pure check.
       
  1687  *
       
  1688  * @param $check
       
  1689  *   If true, only returns a boolean whether there are system status errors.
       
  1690  */
       
  1691 function system_status($check = FALSE) {
       
  1692   // Load .install files
       
  1693   include_once './includes/install.inc';
       
  1694   drupal_load_updates();
       
  1695 
       
  1696   // Check run-time requirements and status information.
       
  1697   $requirements = module_invoke_all('requirements', 'runtime');
       
  1698   usort($requirements, '_system_sort_requirements');
       
  1699 
       
  1700   if ($check) {
       
  1701     return drupal_requirements_severity($requirements) == REQUIREMENT_ERROR;
       
  1702   }
       
  1703   // MySQL import might have set the uid of the anonymous user to autoincrement
       
  1704   // value. Let's try fixing it. See http://drupal.org/node/204411
       
  1705   db_query("UPDATE {users} SET uid = uid - uid WHERE name = '' AND pass = '' AND status = 0");
       
  1706 
       
  1707   return theme('status_report', $requirements);
       
  1708 }
       
  1709 
       
  1710 /**
       
  1711  * Menu callback: run cron manually.
       
  1712  */
       
  1713 function system_run_cron() {
       
  1714   // Run cron manually
       
  1715   if (drupal_cron_run()) {
       
  1716     drupal_set_message(t('Cron ran successfully.'));
       
  1717   }
       
  1718   else {
       
  1719     drupal_set_message(t('Cron run failed.'), 'error');
       
  1720   }
       
  1721 
       
  1722   drupal_goto('admin/reports/status');
       
  1723 }
       
  1724 
       
  1725 /**
       
  1726  * Menu callback: return information about PHP.
       
  1727  */
       
  1728 function system_php() {
       
  1729   phpinfo();
       
  1730   exit();
       
  1731 }
       
  1732 
       
  1733 /**
       
  1734  * Theme a SQL result table.
       
  1735  *
       
  1736  * @param $data
       
  1737  *   The actual table data.
       
  1738  * @param $keys
       
  1739  *   Data keys and descriptions.
       
  1740  * @return
       
  1741  *   The output HTML.
       
  1742  */
       
  1743 function _system_sql($data, $keys) {
       
  1744   $rows = array();
       
  1745   foreach ($keys as $key => $explanation) {
       
  1746     if (isset($data[$key])) {
       
  1747       $rows[] = array(check_plain($key), check_plain($data[$key]), $explanation);
       
  1748     }
       
  1749   }
       
  1750 
       
  1751   return theme('table', array(t('Variable'), t('Value'), t('Description')), $rows);
       
  1752 }
       
  1753 
       
  1754 /**
       
  1755  * Menu callback: return information about the database.
       
  1756  */
       
  1757 function system_sql() {
       
  1758 
       
  1759   $result = db_query("SHOW STATUS");
       
  1760   while ($entry = db_fetch_object($result)) {
       
  1761     // 'SHOW STATUS' returns fields named 'Variable_name' and 'Value',
       
  1762     // case is important.
       
  1763     $data[$entry->Variable_name] = $entry->Value;
       
  1764   }
       
  1765 
       
  1766   $output  = '<h2>'. t('Command counters') .'</h2>';
       
  1767   $output .= _system_sql($data, array(
       
  1768    'Com_select' => t('The number of <code>SELECT</code>-statements.'),
       
  1769    'Com_insert' => t('The number of <code>INSERT</code>-statements.'),
       
  1770    'Com_update' => t('The number of <code>UPDATE</code>-statements.'),
       
  1771    'Com_delete' => t('The number of <code>DELETE</code>-statements.'),
       
  1772    'Com_lock_tables' => t('The number of table locks.'),
       
  1773    'Com_unlock_tables' => t('The number of table unlocks.')
       
  1774   ));
       
  1775 
       
  1776   $output .= '<h2>'. t('Query performance') .'</h2>';
       
  1777   $output .= _system_sql($data, array(
       
  1778    'Select_full_join' => t('The number of joins without an index; should be zero.'),
       
  1779    'Select_range_check' => t('The number of joins without keys that check for key usage after each row; should be zero.'),
       
  1780    'Sort_scan' => t('The number of sorts done without using an index; should be zero.'),
       
  1781    'Table_locks_immediate' => t('The number of times a lock could be acquired immediately.'),
       
  1782    'Table_locks_waited' => t('The number of times the server had to wait for a lock.')
       
  1783   ));
       
  1784 
       
  1785   $output .= '<h2>'. t('Query cache information') .'</h2>';
       
  1786   $output .= '<p>'. t('The MySQL query cache can improve performance of your site by storing the result of queries. Then, if an identical query is received later, the MySQL server retrieves the result from the query cache rather than parsing and executing the statement again.') .'</p>';
       
  1787   $output .= _system_sql($data, array(
       
  1788    'Qcache_queries_in_cache' => t('The number of queries in the query cache.'),
       
  1789    'Qcache_hits' => t('The number of times MySQL found previous results in the cache.'),
       
  1790    'Qcache_inserts' => t('The number of times MySQL added a query to the cache (misses).'),
       
  1791    'Qcache_lowmem_prunes' => t('The number of times MySQL had to remove queries from the cache because it ran out of memory. Ideally should be zero.')
       
  1792   ));
       
  1793 
       
  1794   return $output;
       
  1795 }
       
  1796 
       
  1797 /**
       
  1798  * Default page callback for batches.
       
  1799  */
       
  1800 function system_batch_page() {
       
  1801   require_once './includes/batch.inc';
       
  1802   $output = _batch_page();
       
  1803   if ($output === FALSE) {
       
  1804     drupal_access_denied();
       
  1805   }
       
  1806   elseif (isset($output)) {
       
  1807     // Force a page without blocks or messages to
       
  1808     // display a list of collected messages later.
       
  1809     print theme('page', $output, FALSE, FALSE);
       
  1810   }
       
  1811 }
       
  1812 
       
  1813 /**
       
  1814  * This function formats an administrative block for display.
       
  1815  *
       
  1816  * @param $block
       
  1817  *   An array containing information about the block. It should
       
  1818  *   include a 'title', a 'description' and a formatted 'content'.
       
  1819  * @ingroup themeable
       
  1820  */
       
  1821 function theme_admin_block($block) {
       
  1822   // Don't display the block if it has no content to display.
       
  1823   if (empty($block['content'])) {
       
  1824     return '';
       
  1825   }
       
  1826 
       
  1827   $output = <<< EOT
       
  1828   <div class="admin-panel">
       
  1829     <h3>
       
  1830       $block[title]
       
  1831     </h3>
       
  1832     <div class="body">
       
  1833       <p class="description">
       
  1834         $block[description]
       
  1835       </p>
       
  1836       $block[content]
       
  1837     </div>
       
  1838   </div>
       
  1839 EOT;
       
  1840   return $output;
       
  1841 }
       
  1842 
       
  1843 /**
       
  1844  * This function formats the content of an administrative block.
       
  1845  *
       
  1846  * @param $block
       
  1847  *   An array containing information about the block. It should
       
  1848  *   include a 'title', a 'description' and a formatted 'content'.
       
  1849  * @ingroup themeable
       
  1850  */
       
  1851 function theme_admin_block_content($content) {
       
  1852   if (!$content) {
       
  1853     return '';
       
  1854   }
       
  1855 
       
  1856   if (system_admin_compact_mode()) {
       
  1857     $output = '<ul class="menu">';
       
  1858     foreach ($content as $item) {
       
  1859       $output .= '<li class="leaf">'. l($item['title'], $item['href'], $item['localized_options']) .'</li>';
       
  1860     }
       
  1861     $output .= '</ul>';
       
  1862   }
       
  1863   else {
       
  1864     $output = '<dl class="admin-list">';
       
  1865     foreach ($content as $item) {
       
  1866       $output .= '<dt>'. l($item['title'], $item['href'], $item['localized_options']) .'</dt>';
       
  1867       $output .= '<dd>'. $item['description'] .'</dd>';
       
  1868     }
       
  1869     $output .= '</dl>';
       
  1870   }
       
  1871   return $output;
       
  1872 }
       
  1873 
       
  1874 /**
       
  1875  * This function formats an administrative page for viewing.
       
  1876  *
       
  1877  * @param $blocks
       
  1878  *   An array of blocks to display. Each array should include a
       
  1879  *   'title', a 'description', a formatted 'content' and a
       
  1880  *   'position' which will control which container it will be
       
  1881  *   in. This is usually 'left' or 'right'.
       
  1882  * @ingroup themeable
       
  1883  */
       
  1884 function theme_admin_page($blocks) {
       
  1885   $stripe = 0;
       
  1886   $container = array();
       
  1887 
       
  1888   foreach ($blocks as $block) {
       
  1889     if ($block_output = theme('admin_block', $block)) {
       
  1890       if (empty($block['position'])) {
       
  1891         // perform automatic striping.
       
  1892         $block['position'] = ++$stripe % 2 ? 'left' : 'right';
       
  1893       }
       
  1894       if (!isset($container[$block['position']])) {
       
  1895         $container[$block['position']] = '';
       
  1896       }
       
  1897       $container[$block['position']] .= $block_output;
       
  1898     }
       
  1899   }
       
  1900 
       
  1901   $output = '<div class="admin clear-block">';
       
  1902   $output .= '<div class="compact-link">';
       
  1903   if (system_admin_compact_mode()) {
       
  1904     $output .= l(t('Show descriptions'), 'admin/compact/off', array('attributes' => array('title' => t('Expand layout to include descriptions.'))));
       
  1905   }
       
  1906   else {
       
  1907     $output .= l(t('Hide descriptions'), 'admin/compact/on', array('attributes' => array('title' => t('Compress layout by hiding descriptions.'))));
       
  1908   }
       
  1909   $output .= '</div>';
       
  1910 
       
  1911   foreach ($container as $id => $data) {
       
  1912     $output .= '<div class="'. $id .' clear-block">';
       
  1913     $output .= $data;
       
  1914     $output .= '</div>';
       
  1915   }
       
  1916   $output .= '</div>';
       
  1917   return $output;
       
  1918 }
       
  1919 
       
  1920 /**
       
  1921  * Theme output of the dashboard page.
       
  1922  *
       
  1923  * @param $menu_items
       
  1924  *   An array of modules to be displayed.
       
  1925  * @ingroup themeable
       
  1926  */
       
  1927 function theme_system_admin_by_module($menu_items) {
       
  1928   $stripe = 0;
       
  1929   $output = '';
       
  1930   $container = array('left' => '', 'right' => '');
       
  1931   $flip = array('left' => 'right', 'right' => 'left');
       
  1932   $position = 'left';
       
  1933 
       
  1934   // Iterate over all modules
       
  1935   foreach ($menu_items as $module => $block) {
       
  1936     list($description, $items) = $block;
       
  1937 
       
  1938     // Output links
       
  1939     if (count($items)) {
       
  1940       $block = array();
       
  1941       $block['title'] = $module;
       
  1942       $block['content'] = theme('item_list', $items);
       
  1943       $block['description'] = t($description);
       
  1944 
       
  1945       if ($block_output = theme('admin_block', $block)) {
       
  1946         if (!isset($block['position'])) {
       
  1947           // Perform automatic striping.
       
  1948           $block['position'] = $position;
       
  1949           $position = $flip[$position];
       
  1950         }
       
  1951         $container[$block['position']] .= $block_output;
       
  1952       }
       
  1953     }
       
  1954   }
       
  1955 
       
  1956   $output = '<div class="admin clear-block">';
       
  1957   foreach ($container as $id => $data) {
       
  1958     $output .= '<div class="'. $id .' clear-block">';
       
  1959     $output .= $data;
       
  1960     $output .= '</div>';
       
  1961   }
       
  1962   $output .= '</div>';
       
  1963 
       
  1964   return $output;
       
  1965 }
       
  1966 
       
  1967 /**
       
  1968  * Theme requirements status report.
       
  1969  *
       
  1970  * @param $requirements
       
  1971  *   An array of requirements.
       
  1972  * @ingroup themeable
       
  1973  */
       
  1974 function theme_status_report(&$requirements) {
       
  1975   $i = 0;
       
  1976   $output = '<table class="system-status-report">';
       
  1977   foreach ($requirements as $requirement) {
       
  1978     if (empty($requirement['#type'])) {
       
  1979       $class = ++$i % 2 == 0 ? 'even' : 'odd';
       
  1980 
       
  1981       $classes = array(
       
  1982         REQUIREMENT_INFO => 'info',
       
  1983         REQUIREMENT_OK => 'ok',
       
  1984         REQUIREMENT_WARNING => 'warning',
       
  1985         REQUIREMENT_ERROR => 'error',
       
  1986       );
       
  1987       $class = $classes[isset($requirement['severity']) ? (int)$requirement['severity'] : 0] .' '. $class;
       
  1988 
       
  1989       // Output table row(s)
       
  1990       if (!empty($requirement['description'])) {
       
  1991         $output .= '<tr class="'. $class .' merge-down"><th>'. $requirement['title'] .'</th><td>'. $requirement['value'] .'</td></tr>';
       
  1992         $output .= '<tr class="'. $class .' merge-up"><td colspan="2">'. $requirement['description'] .'</td></tr>';
       
  1993       }
       
  1994       else {
       
  1995         $output .= '<tr class="'. $class .'"><th>'. $requirement['title'] .'</th><td>'. $requirement['value'] .'</td></tr>';
       
  1996       }
       
  1997     }
       
  1998   }
       
  1999 
       
  2000   $output .= '</table>';
       
  2001   return $output;
       
  2002 }
       
  2003 
       
  2004 /**
       
  2005  * Theme callback for the modules form.
       
  2006  *
       
  2007  * @param $form
       
  2008  *   An associative array containing the structure of the form.
       
  2009  * @ingroup themeable
       
  2010  */
       
  2011 function theme_system_modules($form) {
       
  2012   if (isset($form['confirm'])) {
       
  2013     return drupal_render($form);
       
  2014   }
       
  2015 
       
  2016   // Individual table headers.
       
  2017   $header = array();
       
  2018   $header[] = array('data' => t('Enabled'), 'class' => 'checkbox');
       
  2019   if (module_exists('throttle')) {
       
  2020     $header[] = array('data' => t('Throttle'), 'class' => 'checkbox');
       
  2021   }
       
  2022   $header[] = t('Name');
       
  2023   $header[] = t('Version');
       
  2024   $header[] = t('Description');
       
  2025 
       
  2026   // Pull package information from module list and start grouping modules.
       
  2027   $modules = $form['validation_modules']['#value'];
       
  2028   foreach ($modules as $module) {
       
  2029     if (!isset($module->info['package']) || !$module->info['package']) {
       
  2030       $module->info['package'] = t('Other');
       
  2031     }
       
  2032     $packages[$module->info['package']][$module->name] = $module->info;
       
  2033   }
       
  2034   ksort($packages);
       
  2035 
       
  2036   // Display packages.
       
  2037   $output = '';
       
  2038   foreach ($packages as $package => $modules) {
       
  2039     $rows = array();
       
  2040     foreach ($modules as $key => $module) {
       
  2041       $row = array();
       
  2042       $description = drupal_render($form['description'][$key]);
       
  2043       if (isset($form['status']['#incompatible_modules_core'][$key])) {
       
  2044         unset($form['status'][$key]);
       
  2045         $status = theme('image', 'misc/watchdog-error.png', t('incompatible'), t('Incompatible with this version of Drupal core'));
       
  2046         $description .= '<div class="incompatible">'. t('This version is incompatible with the !core_version version of Drupal core.', array('!core_version' => VERSION)) .'</div>';
       
  2047       }
       
  2048       elseif (isset($form['status']['#incompatible_modules_php'][$key])) {
       
  2049         unset($form['status'][$key]);
       
  2050         $status = theme('image', 'misc/watchdog-error.png', t('incompatible'), t('Incompatible with this version of PHP'));
       
  2051         $php_required = $form['status']['#incompatible_modules_php'][$key];
       
  2052         if (substr_count($php_required, '.') < 2) {
       
  2053           $php_required .= '.*';
       
  2054         }
       
  2055         $description .= '<div class="incompatible">'. t('This module requires PHP version @php_required and is incompatible with PHP version !php_version.', array('@php_required' => $php_required, '!php_version' => phpversion())) .'</div>';
       
  2056       }
       
  2057       else {
       
  2058         $status = drupal_render($form['status'][$key]);
       
  2059       }
       
  2060       $row[] = array('data' => $status, 'class' => 'checkbox');
       
  2061       if (module_exists('throttle')) {
       
  2062         $row[] = array('data' => drupal_render($form['throttle'][$key]), 'class' => 'checkbox');
       
  2063       }
       
  2064 
       
  2065       // Add labels only when there is also a checkbox.
       
  2066       if (isset($form['status'][$key])) {
       
  2067         $row[] = '<strong><label for="'. $form['status'][$key]['#id'] .'">'. drupal_render($form['name'][$key]) .'</label></strong>';
       
  2068       }
       
  2069       else {
       
  2070         $row[] = '<strong>'. drupal_render($form['name'][$key]) .'</strong>';
       
  2071       }
       
  2072 
       
  2073       $row[] = array('data' => drupal_render($form['version'][$key]), 'class' => 'version');
       
  2074       $row[] = array('data' => $description, 'class' => 'description');
       
  2075       $rows[] = $row;
       
  2076     }
       
  2077     $fieldset = array(
       
  2078       '#title' => t($package),
       
  2079       '#collapsible' => TRUE,
       
  2080       '#collapsed' => ($package == 'Core - required'),
       
  2081       '#value' => theme('table', $header, $rows, array('class' => 'package')),
       
  2082     );
       
  2083     $output .= theme('fieldset', $fieldset);
       
  2084   }
       
  2085 
       
  2086   $output .= drupal_render($form);
       
  2087   return $output;
       
  2088 }
       
  2089 
       
  2090 /**
       
  2091  * Themes a table of currently disabled modules.
       
  2092  *
       
  2093  * @ingroup themeable
       
  2094  * @param $form
       
  2095  *   The form array representing the currently disabled modules.
       
  2096  * @return
       
  2097  *   An HTML string representing the table.
       
  2098  */
       
  2099 function theme_system_modules_uninstall($form) {
       
  2100   // No theming for the confirm form.
       
  2101   if (isset($form['confirm'])) {
       
  2102     return drupal_render($form);
       
  2103   }
       
  2104 
       
  2105   // Table headers.
       
  2106   $header = array(t('Uninstall'),
       
  2107     t('Name'),
       
  2108     t('Description'),
       
  2109   );
       
  2110 
       
  2111   // Display table.
       
  2112   $rows = array();
       
  2113   foreach (element_children($form['modules']) as $module) {
       
  2114     $rows[] = array(
       
  2115       array('data' => drupal_render($form['uninstall'][$module]), 'align' => 'center'),
       
  2116       '<strong>'. drupal_render($form['modules'][$module]['name']) .'</strong>',
       
  2117       array('data' => drupal_render($form['modules'][$module]['description']), 'class' => 'description'),
       
  2118     );
       
  2119   }
       
  2120 
       
  2121   // Only display table if there are modules that can be uninstalled.
       
  2122   if (empty($rows)) {
       
  2123     $rows[] = array(array('data' => t('No modules are available to uninstall.'), 'colspan' => '3', 'align' => 'center', 'class' => 'message'));
       
  2124   }
       
  2125 
       
  2126   $output  = theme('table', $header, $rows);
       
  2127   $output .= drupal_render($form);
       
  2128 
       
  2129   return $output;
       
  2130 }
       
  2131 
       
  2132 /**
       
  2133  * Theme the theme select form.
       
  2134  * @param $form
       
  2135  *   An associative array containing the structure of the form.
       
  2136  * @ingroup themeable
       
  2137  */
       
  2138 function theme_system_theme_select_form($form) {
       
  2139   foreach (element_children($form) as $key) {
       
  2140     $row = array();
       
  2141     if (isset($form[$key]['description']) && is_array($form[$key]['description'])) {
       
  2142       $row[] = drupal_render($form[$key]['screenshot']);
       
  2143       $row[] = drupal_render($form[$key]['description']);
       
  2144       $row[] = drupal_render($form['theme'][$key]);
       
  2145     }
       
  2146     $rows[] = $row;
       
  2147   }
       
  2148 
       
  2149   $header = array(t('Screenshot'), t('Name'), t('Selected'));
       
  2150   $output = theme('table', $header, $rows);
       
  2151   return $output;
       
  2152 }
       
  2153 
       
  2154 /**
       
  2155  * Theme function for the system themes form.
       
  2156  *
       
  2157  * @param $form
       
  2158  *   An associative array containing the structure of the form.
       
  2159  * @ingroup themeable
       
  2160  */
       
  2161 function theme_system_themes_form($form) {
       
  2162   foreach (element_children($form) as $key) {
       
  2163     // Only look for themes
       
  2164     if (!isset($form[$key]['info'])) {
       
  2165       continue;
       
  2166     }
       
  2167 
       
  2168     // Fetch info
       
  2169     $info = $form[$key]['info']['#value'];
       
  2170     // Localize theme description.
       
  2171     $description = t($info['description']);
       
  2172     // Make sure it is compatible and render the checkbox if so.
       
  2173     if (isset($form['status']['#incompatible_themes_core'][$key])) {
       
  2174       unset($form['status'][$key]);
       
  2175       $status = theme('image', 'misc/watchdog-error.png', t('incompatible'), t('Incompatible with this version of Drupal core'));
       
  2176       $description .= '<div class="incompatible">'. t('This version is incompatible with the !core_version version of Drupal core.', array('!core_version' => VERSION)) .'</div>';
       
  2177     }
       
  2178     elseif (isset($form['status']['#incompatible_themes_php'][$key])) {
       
  2179       unset($form['status'][$key]);
       
  2180       $status = theme('image', 'misc/watchdog-error.png', t('incompatible'), t('Incompatible with this version of PHP'));
       
  2181       $php_required = $form['status']['#incompatible_themes_php'][$key];
       
  2182       if (substr_count($php_required, '.') < 2) {
       
  2183         $php_required .= '.*';
       
  2184       }
       
  2185       $description .= '<div class="incompatible">'. t('This theme requires PHP version @php_required and is incompatible with PHP version !php_version.', array('@php_required' => $php_required, '!php_version' => phpversion())) .'</div>';
       
  2186     }
       
  2187     else {
       
  2188       $status = drupal_render($form['status'][$key]);
       
  2189     }
       
  2190 
       
  2191     // Style theme info
       
  2192     $theme = '<div class="theme-info"><h2>'. $info['name'] .'</h2><div class="description">'. $description .'</div></div>';
       
  2193 
       
  2194     // Build rows
       
  2195     $row = array();
       
  2196     $row[] = drupal_render($form[$key]['screenshot']);
       
  2197     $row[] = $theme;
       
  2198     $row[] = isset($info['version']) ? $info['version'] : '';
       
  2199     $row[] = array('data' => $status, 'align' => 'center');
       
  2200     if ($form['theme_default']) {
       
  2201       $row[] = array('data' => drupal_render($form['theme_default'][$key]), 'align' => 'center');
       
  2202       $row[] = array('data' => drupal_render($form[$key]['operations']), 'align' => 'center');
       
  2203     }
       
  2204     $rows[] = $row;
       
  2205   }
       
  2206 
       
  2207   $header = array(t('Screenshot'), t('Name'), t('Version'), t('Enabled'), t('Default'), t('Operations'));
       
  2208   $output = theme('table', $header, $rows);
       
  2209   $output .= drupal_render($form);
       
  2210   return $output;
       
  2211 }