1 <?php

     2 

     3 /**

     4  * @file

     5  * Content administration and module settings UI.

     6  */

     7 

     8 /**

     9  * Menu callback: confirm rebuilding of permissions.

    10  *

    11  * @see node_configure_rebuild_confirm_submit()

    12  * @see node_menu()

    13  * @ingroup forms

    14  */

    15 function node_configure_rebuild_confirm() {

    16   return confirm_form(array(), t('Are you sure you want to rebuild the permissions on site content?'),

    17                   'admin/reports/status', t('This action rebuilds all permissions on site content, and may be a lengthy process. This action cannot be undone.'), t('Rebuild permissions'), t('Cancel'));

    18 }

    19 

    20 /**

    21  * Handler for wipe confirmation

    22  *

    23  * @see node_configure_rebuild_confirm()

    24  */

    25 function node_configure_rebuild_confirm_submit($form, &$form_state) {

    26   node_access_rebuild(TRUE);

    27   $form_state['redirect'] = 'admin/reports/status';

    28 }

    29 

    30 /**

    31  * Implements hook_node_operations().

    32  */

    33 function node_node_operations() {

    34   $operations = array(

    35     'publish' => array(

    36       'label' => t('Publish selected content'),

    37       'callback' => 'node_mass_update',

    38       'callback arguments' => array('updates' => array('status' => NODE_PUBLISHED)),

    39     ),

    40     'unpublish' => array(

    41       'label' => t('Unpublish selected content'),

    42       'callback' => 'node_mass_update',

    43       'callback arguments' => array('updates' => array('status' => NODE_NOT_PUBLISHED)),

    44     ),

    45     'promote' => array(

    46       'label' => t('Promote selected content to front page'),

    47       'callback' => 'node_mass_update',

    48       'callback arguments' => array('updates' => array('status' => NODE_PUBLISHED, 'promote' => NODE_PROMOTED)),

    49     ),

    50     'demote' => array(

    51       'label' => t('Demote selected content from front page'),

    52       'callback' => 'node_mass_update',

    53       'callback arguments' => array('updates' => array('promote' => NODE_NOT_PROMOTED)),

    54     ),

    55     'sticky' => array(

    56       'label' => t('Make selected content sticky'),

    57       'callback' => 'node_mass_update',

    58       'callback arguments' => array('updates' => array('status' => NODE_PUBLISHED, 'sticky' => NODE_STICKY)),

    59     ),

    60     'unsticky' => array(

    61       'label' => t('Make selected content not sticky'),

    62       'callback' => 'node_mass_update',

    63       'callback arguments' => array('updates' => array('sticky' => NODE_NOT_STICKY)),

    64     ),

    65     'delete' => array(

    66       'label' => t('Delete selected content'),

    67       'callback' => NULL,

    68     ),

    69   );

    70   return $operations;

    71 }

    72 

    73 /**

    74  * List node administration filters that can be applied.

    75  *

    76  * @return

    77  *   An associative array of filters.

    78  */

    79 function node_filters() {

    80   // Regular filters

    81   $filters['status'] = array(

    82     'title' => t('status'),

    83     'options' => array(

    84       '[any]' => t('any'),

    85       'status-1' => t('published'),

    86       'status-0' => t('not published'),

    87       'promote-1' => t('promoted'),

    88       'promote-0' => t('not promoted'),

    89       'sticky-1' => t('sticky'),

    90       'sticky-0' => t('not sticky'),

    91     ),

    92   );

    93   // Include translation states if we have this module enabled

    94   if (module_exists('translation')) {

    95     $filters['status']['options'] += array(

    96       'translate-0' => t('Up to date translation'),

    97       'translate-1' => t('Outdated translation'),

    98     );

    99   }

   100 

   101   $filters['type'] = array(

   102     'title' => t('type'),

   103     'options' => array(

   104       '[any]' => t('any'),

   105     ) + node_type_get_names(),

   106   );

   107 

   108   // Language filter if there is a list of languages

   109   if ($languages = module_invoke('locale', 'language_list')) {

   110     $languages = array(LANGUAGE_NONE => t('Language neutral')) + $languages;

   111     $filters['language'] = array(

   112       'title' => t('language'),

   113       'options' => array(

   114         '[any]' => t('any'),

   115       ) + $languages,

   116     );

   117   }

   118   return $filters;

   119 }

   120 

   121 /**

   122  * Applies filters for node administration filters based on session.

   123  *

   124  * @param $query

   125  *   A SelectQuery to which the filters should be applied.

   126  */

   127 function node_build_filter_query(SelectQueryInterface $query) {

   128   // Build query

   129   $filter_data = isset($_SESSION['node_overview_filter']) ? $_SESSION['node_overview_filter'] : array();

   130   foreach ($filter_data as $index => $filter) {

   131     list($key, $value) = $filter;

   132     switch ($key) {

   133       case 'status':

   134         // Note: no exploitable hole as $key/$value have already been checked when submitted

   135         list($key, $value) = explode('-', $value, 2);

   136       case 'type':

   137       case 'language':

   138         $query->condition('n.' . $key, $value);

   139         break;

   140     }

   141   }

   142 }

   143 

   144 /**

   145  * Returns the node administration filters form array to node_admin_content().

   146  *

   147  * @see node_admin_nodes()

   148  * @see node_admin_nodes_submit()

   149  * @see node_admin_nodes_validate()

   150  * @see node_filter_form_submit()

   151  * @see node_multiple_delete_confirm()

   152  * @see node_multiple_delete_confirm_submit()

   153  *

   154  * @ingroup forms

   155  */

   156 function node_filter_form() {

   157   $session = isset($_SESSION['node_overview_filter']) ? $_SESSION['node_overview_filter'] : array();

   158   $filters = node_filters();

   159 

   160   $i = 0;

   161   $form['filters'] = array(

   162     '#type' => 'fieldset',

   163     '#title' => t('Show only items where'),

   164     '#theme' => 'exposed_filters__node',

   165   );

   166   foreach ($session as $filter) {

   167     list($type, $value) = $filter;

   168     if ($type == 'term') {

   169       // Load term name from DB rather than search and parse options array.

   170       $value = module_invoke('taxonomy', 'term_load', $value);

   171       $value = $value->name;

   172     }

   173     elseif ($type == 'language') {

   174       $value = $value == LANGUAGE_NONE ? t('Language neutral') : module_invoke('locale', 'language_name', $value);

   175     }

   176     else {

   177       $value = $filters[$type]['options'][$value];

   178     }

   179     $t_args = array('%property' => $filters[$type]['title'], '%value' => $value);

   180     if ($i++) {

   181       $form['filters']['current'][] = array('#markup' => t('and where %property is %value', $t_args));

   182     }

   183     else {

   184       $form['filters']['current'][] = array('#markup' => t('where %property is %value', $t_args));

   185     }

   186     if (in_array($type, array('type', 'language'))) {

   187       // Remove the option if it is already being filtered on.

   188       unset($filters[$type]);

   189     }

   190   }

   191 

   192   $form['filters']['status'] = array(

   193     '#type' => 'container',

   194     '#attributes' => array('class' => array('clearfix')),

   195     '#prefix' => ($i ? '<div class="additional-filters">' . t('and where') . '</div>' : ''),

   196   );

   197   $form['filters']['status']['filters'] = array(

   198     '#type' => 'container',

   199     '#attributes' => array('class' => array('filters')),

   200   );

   201   foreach ($filters as $key => $filter) {

   202     $form['filters']['status']['filters'][$key] = array(

   203       '#type' => 'select',

   204       '#options' => $filter['options'],

   205       '#title' => $filter['title'],

   206       '#default_value' => '[any]',

   207     );

   208   }

   209 

   210   $form['filters']['status']['actions'] = array(

   211     '#type' => 'actions',

   212     '#attributes' => array('class' => array('container-inline')),

   213   );

   214   $form['filters']['status']['actions']['submit'] = array(

   215     '#type' => 'submit',

   216     '#value' => count($session) ? t('Refine') : t('Filter'),

   217   );

   218   if (count($session)) {

   219     $form['filters']['status']['actions']['undo'] = array('#type' => 'submit', '#value' => t('Undo'));

   220     $form['filters']['status']['actions']['reset'] = array('#type' => 'submit', '#value' => t('Reset'));

   221   }

   222 

   223   drupal_add_js('misc/form.js');

   224 

   225   return $form;

   226 }

   227 

   228 /**

   229  * Form submission handler for node_filter_form().

   230  *

   231  * @see node_admin_content()

   232  * @see node_admin_nodes()

   233  * @see node_admin_nodes_submit()

   234  * @see node_admin_nodes_validate()

   235  * @see node_filter_form()

   236  * @see node_multiple_delete_confirm()

   237  * @see node_multiple_delete_confirm_submit()

   238  */

   239 function node_filter_form_submit($form, &$form_state) {

   240   $filters = node_filters();

   241   switch ($form_state['values']['op']) {

   242     case t('Filter'):

   243     case t('Refine'):

   244       // Apply every filter that has a choice selected other than 'any'.

   245       foreach ($filters as $filter => $options) {

   246         if (isset($form_state['values'][$filter]) && $form_state['values'][$filter] != '[any]') {

   247           // Flatten the options array to accommodate hierarchical/nested options.

   248           $flat_options = form_options_flatten($filters[$filter]['options']);

   249           // Only accept valid selections offered on the dropdown, block bad input.

   250           if (isset($flat_options[$form_state['values'][$filter]])) {

   251             $_SESSION['node_overview_filter'][] = array($filter, $form_state['values'][$filter]);

   252           }

   253         }

   254       }

   255       break;

   256     case t('Undo'):

   257       array_pop($_SESSION['node_overview_filter']);

   258       break;

   259     case t('Reset'):

   260       $_SESSION['node_overview_filter'] = array();

   261       break;

   262   }

   263 }

   264 

   265 /**

   266  * Make mass update of nodes, changing all nodes in the $nodes array

   267  * to update them with the field values in $updates.

   268  *

   269  * IMPORTANT NOTE: This function is intended to work when called from a form

   270  * submission handler. Calling it outside of the form submission process may not

   271  * work correctly.

   272  *

   273  * @param array $nodes

   274  *   Array of node nids to update.

   275  * @param array $updates

   276  *   Array of key/value pairs with node field names and the value to update that

   277  *   field to.

   278  */

   279 function node_mass_update($nodes, $updates) {

   280   // We use batch processing to prevent timeout when updating a large number

   281   // of nodes.

   282   if (count($nodes) > 10) {

   283     $batch = array(

   284       'operations' => array(

   285         array('_node_mass_update_batch_process', array($nodes, $updates))

   286       ),

   287       'finished' => '_node_mass_update_batch_finished',

   288       'title' => t('Processing'),

   289       // We use a single multi-pass operation, so the default

   290       // 'Remaining x of y operations' message will be confusing here.

   291       'progress_message' => '',

   292       'error_message' => t('The update has encountered an error.'),

   293       // The operations do not live in the .module file, so we need to

   294       // tell the batch engine which file to load before calling them.

   295       'file' => drupal_get_path('module', 'node') . '/node.admin.inc',

   296     );

   297     batch_set($batch);

   298   }

   299   else {

   300     foreach ($nodes as $nid) {

   301       _node_mass_update_helper($nid, $updates);

   302     }

   303     drupal_set_message(t('The update has been performed.'));

   304   }

   305 }

   306 

   307 /**

   308  * Updates individual nodes when fewer than 10 are queued.

   309  *

   310  * @param $nid

   311  *   ID of node to update.

   312  * @param $updates

   313  *   Associative array of updates.

   314  *

   315  * @return object

   316  *   An updated node object.

   317  *

   318  * @see node_mass_update()

   319  */

   320 function _node_mass_update_helper($nid, $updates) {

   321   $node = node_load($nid, NULL, TRUE);

   322   // For efficiency manually save the original node before applying any changes.

   323   $node->original = clone $node;

   324   foreach ($updates as $name => $value) {

   325     $node->$name = $value;

   326   }

   327   node_save($node);

   328   return $node;

   329 }

   330 

   331 /**

   332  * Implements callback_batch_operation().

   333  *

   334  * Executes a batch operation for node_mass_update().

   335  *

   336  * @param array $nodes

   337  *   An array of node IDs.

   338  * @param array $updates

   339  *   Associative array of updates.

   340  * @param array $context

   341  *   An array of contextual key/values.

   342  */

   343 function _node_mass_update_batch_process($nodes, $updates, &$context) {

   344   if (!isset($context['sandbox']['progress'])) {

   345     $context['sandbox']['progress'] = 0;

   346     $context['sandbox']['max'] = count($nodes);

   347     $context['sandbox']['nodes'] = $nodes;

   348   }

   349 

   350   // Process nodes by groups of 5.

   351   $count = min(5, count($context['sandbox']['nodes']));

   352   for ($i = 1; $i <= $count; $i++) {

   353     // For each nid, load the node, reset the values, and save it.

   354     $nid = array_shift($context['sandbox']['nodes']);

   355     $node = _node_mass_update_helper($nid, $updates);

   356 

   357     // Store result for post-processing in the finished callback.

   358     $context['results'][] = l($node->title, 'node/' . $node->nid);

   359 

   360     // Update our progress information.

   361     $context['sandbox']['progress']++;

   362   }

   363 

   364   // Inform the batch engine that we are not finished,

   365   // and provide an estimation of the completion level we reached.

   366   if ($context['sandbox']['progress'] != $context['sandbox']['max']) {

   367     $context['finished'] = $context['sandbox']['progress'] / $context['sandbox']['max'];

   368   }

   369 }

   370 

   371 /**

   372  * Implements callback_batch_finished().

   373  *

   374  * Reports the status of batch operation for node_mass_update().

   375  *

   376  * @param bool $success

   377  *   A boolean indicating whether the batch mass update operation successfully

   378  *   concluded.

   379  * @param int $results

   380  *   The number of nodes updated via the batch mode process.

   381  * @param array $operations

   382  *   An array of function calls (not used in this function).

   383  */

   384 function _node_mass_update_batch_finished($success, $results, $operations) {

   385   if ($success) {

   386     drupal_set_message(t('The update has been performed.'));

   387   }

   388   else {

   389     drupal_set_message(t('An error occurred and processing did not complete.'), 'error');

   390     $message = format_plural(count($results), '1 item successfully processed:', '@count items successfully processed:');

   391     $message .= theme('item_list', array('items' => $results));

   392     drupal_set_message($message);

   393   }

   394 }

   395 

   396 /**

   397  * Page callback: Form constructor for the content administration form.

   398  *

   399  * @see node_admin_nodes()

   400  * @see node_admin_nodes_submit()

   401  * @see node_admin_nodes_validate()

   402  * @see node_filter_form()

   403  * @see node_filter_form_submit()

   404  * @see node_menu()

   405  * @see node_multiple_delete_confirm()

   406  * @see node_multiple_delete_confirm_submit()

   407  * @ingroup forms

   408  */

   409 function node_admin_content($form, $form_state) {

   410   if (isset($form_state['values']['operation']) && $form_state['values']['operation'] == 'delete') {

   411     return node_multiple_delete_confirm($form, $form_state, array_filter($form_state['values']['nodes']));

   412   }

   413   $form['filter'] = node_filter_form();

   414   $form['#submit'][] = 'node_filter_form_submit';

   415   $form['admin'] = node_admin_nodes();

   416 

   417   return $form;

   418 }

   419 

   420 /**

   421  * Form builder: Builds the node administration overview.

   422  *

   423  * @see node_admin_nodes_submit()

   424  * @see node_admin_nodes_validate()

   425  * @see node_filter_form()

   426  * @see node_filter_form_submit()

   427  * @see node_multiple_delete_confirm()

   428  * @see node_multiple_delete_confirm_submit()

   429  *

   430  * @ingroup forms

   431  */

   432 function node_admin_nodes() {

   433   $admin_access = user_access('administer nodes');

   434 

   435   // Build the 'Update options' form.

   436   $form['options'] = array(

   437     '#type' => 'fieldset',

   438     '#title' => t('Update options'),

   439     '#attributes' => array('class' => array('container-inline')),

   440     '#access' => $admin_access,

   441   );

   442   $options = array();

   443   foreach (module_invoke_all('node_operations') as $operation => $array) {

   444     $options[$operation] = $array['label'];

   445   }

   446   $form['options']['operation'] = array(

   447     '#type' => 'select',

   448     '#title' => t('Operation'),

   449     '#title_display' => 'invisible',

   450     '#options' => $options,

   451     '#default_value' => 'approve',

   452   );

   453   $form['options']['submit'] = array(

   454     '#type' => 'submit',

   455     '#value' => t('Update'),

   456     '#validate' => array('node_admin_nodes_validate'),

   457     '#submit' => array('node_admin_nodes_submit'),

   458   );

   459 

   460   // Enable language column if translation module is enabled or if we have any

   461   // node with language.

   462   $multilanguage = (module_exists('translation') || db_query_range("SELECT 1 FROM {node} WHERE language <> :language", 0, 1, array(':language' => LANGUAGE_NONE))->fetchField());

   463 

   464   // Build the sortable table header.

   465   $header = array(

   466     'title' => array('data' => t('Title'), 'field' => 'n.title'),

   467     'type' => array('data' => t('Type'), 'field' => 'n.type'),

   468     'author' => t('Author'),

   469     'status' => array('data' => t('Status'), 'field' => 'n.status'),

   470     'changed' => array('data' => t('Updated'), 'field' => 'n.changed', 'sort' => 'desc')

   471   );

   472   if ($multilanguage) {

   473     $header['language'] = array('data' => t('Language'), 'field' => 'n.language');

   474   }

   475   $header['operations'] = array('data' => t('Operations'));

   476 

   477   $query = db_select('node', 'n')->extend('PagerDefault')->extend('TableSort');

   478   $query->addTag('node_admin_filter');

   479   node_build_filter_query($query);

   480 

   481   if (!user_access('bypass node access')) {

   482     // If the user is able to view their own unpublished nodes, allow them

   483     // to see these in addition to published nodes. Check that they actually

   484     // have some unpublished nodes to view before adding the condition.

   485     if (user_access('view own unpublished content') && $own_unpublished = db_query('SELECT nid FROM {node} WHERE uid = :uid AND status = :status', array(':uid' => $GLOBALS['user']->uid, ':status' => 0))->fetchCol()) {

   486       $query->condition(db_or()

   487         ->condition('n.status', 1)

   488         ->condition('n.nid', $own_unpublished, 'IN')

   489       );

   490     }

   491     else {

   492       // If not, restrict the query to published nodes.

   493       $query->condition('n.status', 1);

   494     }

   495   }

   496   $nids = $query

   497     ->fields('n',array('nid'))

   498     ->limit(50)

   499     ->orderByHeader($header)

   500     ->addTag('node_access')

   501     ->execute()

   502     ->fetchCol();

   503   $nodes = node_load_multiple($nids);

   504 

   505   // Prepare the list of nodes.

   506   $languages = language_list();

   507   $destination = drupal_get_destination();

   508   $options = array();

   509   foreach ($nodes as $node) {

   510     $langcode = entity_language('node', $node);

   511     $uri = entity_uri('node', $node);

   512     if ($langcode != LANGUAGE_NONE && isset($languages[$langcode])) {

   513       $uri['options']['language'] = $languages[$langcode];

   514     }

   515     $options[$node->nid] = array(

   516       'title' => array(

   517         'data' => array(

   518           '#type' => 'link',

   519           '#title' => $node->title,

   520           '#href' => $uri['path'],

   521           '#options' => $uri['options'],

   522           '#suffix' => ' ' . theme('mark', array('type' => node_mark($node->nid, $node->changed))),

   523         ),

   524       ),

   525       'type' => check_plain(node_type_get_name($node)),

   526       'author' => theme('username', array('account' => $node)),

   527       'status' => $node->status ? t('published') : t('not published'),

   528       'changed' => format_date($node->changed, 'short'),

   529     );

   530     if ($multilanguage) {

   531       if ($langcode == LANGUAGE_NONE || isset($languages[$langcode])) {

   532         $options[$node->nid]['language'] = $langcode == LANGUAGE_NONE ? t('Language neutral') : t($languages[$langcode]->name);

   533       }

   534       else {

   535         $options[$node->nid]['language'] = t('Undefined language (@langcode)', array('@langcode' => $langcode));

   536       }

   537     }

   538     // Build a list of all the accessible operations for the current node.

   539     $operations = array();

   540     if (node_access('update', $node)) {

   541       $operations['edit'] = array(

   542         'title' => t('edit'),

   543         'href' => 'node/' . $node->nid . '/edit',

   544         'query' => $destination,

   545       );

   546     }

   547     if (node_access('delete', $node)) {

   548       $operations['delete'] = array(

   549         'title' => t('delete'),

   550         'href' => 'node/' . $node->nid . '/delete',

   551         'query' => $destination,

   552       );

   553     }

   554     $options[$node->nid]['operations'] = array();

   555     if (count($operations) > 1) {

   556       // Render an unordered list of operations links.

   557       $options[$node->nid]['operations'] = array(

   558         'data' => array(

   559           '#theme' => 'links__node_operations',

   560           '#links' => $operations,

   561           '#attributes' => array('class' => array('links', 'inline')),

   562         ),

   563       );

   564     }

   565     elseif (!empty($operations)) {

   566       // Render the first and only operation as a link.

   567       $link = reset($operations);

   568       $options[$node->nid]['operations'] = array(

   569         'data' => array(

   570           '#type' => 'link',

   571           '#title' => $link['title'],

   572           '#href' => $link['href'],

   573           '#options' => array('query' => $link['query']),

   574         ),

   575       );

   576     }

   577   }

   578 

   579   // Only use a tableselect when the current user is able to perform any

   580   // operations.

   581   if ($admin_access) {

   582     $form['nodes'] = array(

   583       '#type' => 'tableselect',

   584       '#header' => $header,

   585       '#options' => $options,

   586       '#empty' => t('No content available.'),

   587     );

   588   }

   589   // Otherwise, use a simple table.

   590   else {

   591     $form['nodes'] = array(

   592       '#theme' => 'table',

   593       '#header' => $header,

   594       '#rows' => $options,

   595       '#empty' => t('No content available.'),

   596     );

   597   }

   598 

   599   $form['pager'] = array('#markup' => theme('pager'));

   600   return $form;

   601 }

   602 

   603 /**

   604  * Validate node_admin_nodes form submissions.

   605  *

   606  * Checks whether any nodes have been selected to perform the chosen 'Update

   607  * option' on.

   608  *

   609  * @see node_admin_nodes()

   610  * @see node_admin_nodes_submit()

   611  * @see node_filter_form()

   612  * @see node_filter_form_submit()

   613  * @see node_multiple_delete_confirm()

   614  * @see node_multiple_delete_confirm_submit()

   615  */

   616 function node_admin_nodes_validate($form, &$form_state) {

   617   // Error if there are no items to select.

   618   if (!is_array($form_state['values']['nodes']) || !count(array_filter($form_state['values']['nodes']))) {

   619     form_set_error('', t('No items selected.'));

   620   }

   621 }

   622 

   623 /**

   624  * Process node_admin_nodes form submissions.

   625  *

   626  * Executes the chosen 'Update option' on the selected nodes.

   627  *

   628  * @see node_admin_nodes()

   629  * @see node_admin_nodes_validate()

   630  * @see node_filter_form()

   631  * @see node_filter_form_submit()

   632  * @see node_multiple_delete_confirm()

   633  * @see node_multiple_delete_confirm_submit()

   634  */

   635 function node_admin_nodes_submit($form, &$form_state) {

   636   $operations = module_invoke_all('node_operations');

   637   $operation = $operations[$form_state['values']['operation']];

   638   // Filter out unchecked nodes

   639   $nodes = array_filter($form_state['values']['nodes']);

   640   if ($function = $operation['callback']) {

   641     // Add in callback arguments if present.

   642     if (isset($operation['callback arguments'])) {

   643       $args = array_merge(array($nodes), $operation['callback arguments']);

   644     }

   645     else {

   646       $args = array($nodes);

   647     }

   648     call_user_func_array($function, $args);

   649 

   650     cache_clear_all();

   651   }

   652   else {

   653     // We need to rebuild the form to go to a second step. For example, to

   654     // show the confirmation form for the deletion of nodes.

   655     $form_state['rebuild'] = TRUE;

   656   }

   657 }

   658 

   659 /**

   660  * Multiple node deletion confirmation form for node_admin_content().

   661  *

   662  * @see node_admin_nodes()

   663  * @see node_admin_nodes_submit()

   664  * @see node_admin_nodes_validate()

   665  * @see node_filter_form()

   666  * @see node_filter_form_submit()

   667  * @see node_multiple_delete_confirm_submit()

   668  * @ingroup forms

   669  */

   670 function node_multiple_delete_confirm($form, &$form_state, $nodes) {

   671   $form['nodes'] = array('#prefix' => '<ul>', '#suffix' => '</ul>', '#tree' => TRUE);

   672   // array_filter returns only elements with TRUE values

   673   foreach ($nodes as $nid => $value) {

   674     $title = db_query('SELECT title FROM {node} WHERE nid = :nid', array(':nid' => $nid))->fetchField();

   675     $form['nodes'][$nid] = array(

   676       '#type' => 'hidden',

   677       '#value' => $nid,

   678       '#prefix' => '<li>',

   679       '#suffix' => check_plain($title) . "</li>\n",

   680     );

   681   }

   682   $form['operation'] = array('#type' => 'hidden', '#value' => 'delete');

   683   $form['#submit'][] = 'node_multiple_delete_confirm_submit';

   684   $confirm_question = format_plural(count($nodes),

   685                                   'Are you sure you want to delete this item?',

   686                                   'Are you sure you want to delete these items?');

   687   return confirm_form($form,

   688                     $confirm_question,

   689                     'admin/content', t('This action cannot be undone.'),

   690                     t('Delete'), t('Cancel'));

   691 }

   692 

   693 /**

   694  * Form submission handler for node_multiple_delete_confirm().

   695  *

   696  * @see node_admin_nodes()

   697  * @see node_admin_nodes_submit()

   698  * @see node_admin_nodes_validate()

   699  * @see node_filter_form()

   700  * @see node_filter_form_submit()

   701  * @see node_multiple_delete_confirm()

   702  */

   703 function node_multiple_delete_confirm_submit($form, &$form_state) {

   704   if ($form_state['values']['confirm']) {

   705     node_delete_multiple(array_keys($form_state['values']['nodes']));

   706     cache_clear_all();

   707     $count = count($form_state['values']['nodes']);

   708     watchdog('content', 'Deleted @count posts.', array('@count' => $count));

   709     drupal_set_message(format_plural($count, 'Deleted 1 post.', 'Deleted @count posts.'));

   710   }

   711   $form_state['redirect'] = 'admin/content';

   712 }