--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/cms/drupal/modules/node/node.pages.inc Fri Sep 08 12:04:06 2017 +0200
@@ -0,0 +1,680 @@
+<?php
+
+/**
+ * @file
+ * Page callbacks for adding, editing, deleting, and revisions management for content.
+ */
+
+/**
+ * Menu callback; presents the node editing form.
+ */
+function node_page_edit($node) {
+ $type_name = node_type_get_name($node);
+ drupal_set_title(t('<em>Edit @type</em> @title', array('@type' => $type_name, '@title' => $node->title)), PASS_THROUGH);
+ return drupal_get_form($node->type . '_node_form', $node);
+}
+
+/**
+ * Page callback: Displays add content links for available content types.
+ *
+ * Redirects to node/add/[type] if only one content type is available.
+ *
+ * @see node_menu()
+ */
+function node_add_page() {
+ $item = menu_get_item();
+ $content = system_admin_menu_block($item);
+ // Bypass the node/add listing if only one content type is available.
+ if (count($content) == 1) {
+ $item = array_shift($content);
+ drupal_goto($item['href']);
+ }
+ return theme('node_add_list', array('content' => $content));
+}
+
+/**
+ * Returns HTML for a list of available node types for node creation.
+ *
+ * @param $variables
+ * An associative array containing:
+ * - content: An array of content types.
+ *
+ * @ingroup themeable
+ */
+function theme_node_add_list($variables) {
+ $content = $variables['content'];
+ $output = '';
+
+ if ($content) {
+ $output = '<dl class="node-type-list">';
+ foreach ($content as $item) {
+ $output .= '<dt>' . l($item['title'], $item['href'], $item['localized_options']) . '</dt>';
+ $output .= '<dd>' . filter_xss_admin($item['description']) . '</dd>';
+ }
+ $output .= '</dl>';
+ }
+ else {
+ $output = '<p>' . t('You have not created any content types yet. Go to the <a href="@create-content">content type creation page</a> to add a new content type.', array('@create-content' => url('admin/structure/types/add'))) . '</p>';
+ }
+ return $output;
+}
+
+
+/**
+ * Returns a node submission form.
+ *
+ * @param $type
+ * The node type for the submitted node.
+ *
+ * @return
+ * The themed form.
+ */
+function node_add($type) {
+ global $user;
+
+ $types = node_type_get_types();
+ $node = (object) array('uid' => $user->uid, 'name' => (isset($user->name) ? $user->name : ''), 'type' => $type, 'language' => LANGUAGE_NONE);
+ drupal_set_title(t('Create @name', array('@name' => $types[$type]->name)), PASS_THROUGH);
+ $output = drupal_get_form($type . '_node_form', $node);
+
+ return $output;
+}
+
+/**
+ * Form validation handler for node_form().
+ *
+ * @see node_form()
+ * @see node_form_submit()
+ */
+function node_form_validate($form, &$form_state) {
+ // $form_state['node'] contains the actual entity being edited, but we must
+ // not update it with form values that have not yet been validated, so we
+ // create a pseudo-entity to use during validation.
+ $node = (object) $form_state['values'];
+ node_validate($node, $form, $form_state);
+ entity_form_field_validate('node', $form, $form_state);
+}
+
+/**
+ * Form constructor for the node add/edit form.
+ *
+ * @see node_form_validate()
+ * @see node_form_submit()
+ * @see node_form_build_preview()
+ * @see node_form_delete_submit()
+ * @ingroup forms
+ */
+function node_form($form, &$form_state, $node) {
+ global $user;
+
+ // During initial form build, add the node entity to the form state for use
+ // during form building and processing. During a rebuild, use what is in the
+ // form state.
+ if (!isset($form_state['node'])) {
+ if (!isset($node->title)) {
+ $node->title = NULL;
+ }
+ node_object_prepare($node);
+ $form_state['node'] = $node;
+ }
+ else {
+ $node = $form_state['node'];
+ }
+
+ // Some special stuff when previewing a node.
+ if (isset($form_state['node_preview'])) {
+ $form['#prefix'] = $form_state['node_preview'];
+ $node->in_preview = TRUE;
+ }
+ else {
+ unset($node->in_preview);
+ }
+
+ // Identify this as a node edit form.
+ // @todo D8: Remove. Modules can implement hook_form_BASE_FORM_ID_alter() now.
+ $form['#node_edit_form'] = TRUE;
+
+ $form['#attributes']['class'][] = 'node-form';
+ if (!empty($node->type)) {
+ $form['#attributes']['class'][] = 'node-' . $node->type . '-form';
+ }
+
+ // Basic node information.
+ // These elements are just values so they are not even sent to the client.
+ foreach (array('nid', 'vid', 'uid', 'created', 'type', 'language') as $key) {
+ $form[$key] = array(
+ '#type' => 'value',
+ '#value' => isset($node->$key) ? $node->$key : NULL,
+ );
+ }
+
+ // Changed must be sent to the client, for later overwrite error checking.
+ $form['changed'] = array(
+ '#type' => 'hidden',
+ '#default_value' => isset($node->changed) ? $node->changed : NULL,
+ );
+ // Invoke hook_form() to get the node-specific bits. Can't use node_invoke(),
+ // because hook_form() needs to be able to receive $form_state by reference.
+ // @todo hook_form() implementations are unable to add #validate or #submit
+ // handlers to the form buttons below. Remove hook_form() entirely.
+ $function = node_type_get_base($node) . '_form';
+ if (function_exists($function) && ($extra = $function($node, $form_state))) {
+ $form = array_merge_recursive($form, $extra);
+ }
+ // If the node type has a title, and the node type form defined no special
+ // weight for it, we default to a weight of -5 for consistency.
+ if (isset($form['title']) && !isset($form['title']['#weight'])) {
+ $form['title']['#weight'] = -5;
+ }
+ // @todo D8: Remove. Modules should access the node using $form_state['node'].
+ $form['#node'] = $node;
+
+ $form['additional_settings'] = array(
+ '#type' => 'vertical_tabs',
+ '#weight' => 99,
+ );
+
+ // Add a log field if the "Create new revision" option is checked, or if the
+ // current user has the ability to check that option.
+ $form['revision_information'] = array(
+ '#type' => 'fieldset',
+ '#title' => t('Revision information'),
+ '#collapsible' => TRUE,
+ // Collapsed by default when "Create new revision" is unchecked
+ '#collapsed' => !$node->revision,
+ '#group' => 'additional_settings',
+ '#attributes' => array(
+ 'class' => array('node-form-revision-information'),
+ ),
+ '#attached' => array(
+ 'js' => array(drupal_get_path('module', 'node') . '/node.js'),
+ ),
+ '#weight' => 20,
+ '#access' => $node->revision || user_access('administer nodes'),
+ );
+ $form['revision_information']['revision'] = array(
+ '#type' => 'checkbox',
+ '#title' => t('Create new revision'),
+ '#default_value' => $node->revision,
+ '#access' => user_access('administer nodes'),
+ );
+ // Check the revision log checkbox when the log textarea is filled in.
+ // This must not happen if "Create new revision" is enabled by default, since
+ // the state would auto-disable the checkbox otherwise.
+ if (!$node->revision) {
+ $form['revision_information']['revision']['#states'] = array(
+ 'checked' => array(
+ 'textarea[name="log"]' => array('empty' => FALSE),
+ ),
+ );
+ }
+ $form['revision_information']['log'] = array(
+ '#type' => 'textarea',
+ '#title' => t('Revision log message'),
+ '#rows' => 4,
+ '#default_value' => !empty($node->log) ? $node->log : '',
+ '#description' => t('Provide an explanation of the changes you are making. This will help other authors understand your motivations.'),
+ );
+
+ // Node author information for administrators
+ $form['author'] = array(
+ '#type' => 'fieldset',
+ '#access' => user_access('administer nodes'),
+ '#title' => t('Authoring information'),
+ '#collapsible' => TRUE,
+ '#collapsed' => TRUE,
+ '#group' => 'additional_settings',
+ '#attributes' => array(
+ 'class' => array('node-form-author'),
+ ),
+ '#attached' => array(
+ 'js' => array(
+ drupal_get_path('module', 'node') . '/node.js',
+ array(
+ 'type' => 'setting',
+ 'data' => array('anonymous' => variable_get('anonymous', t('Anonymous'))),
+ ),
+ ),
+ ),
+ '#weight' => 90,
+ );
+ $form['author']['name'] = array(
+ '#type' => 'textfield',
+ '#title' => t('Authored by'),
+ '#maxlength' => 60,
+ '#autocomplete_path' => 'user/autocomplete',
+ '#default_value' => !empty($node->name) ? $node->name : '',
+ '#weight' => -1,
+ '#description' => t('Leave blank for %anonymous.', array('%anonymous' => variable_get('anonymous', t('Anonymous')))),
+ );
+ $form['author']['date'] = array(
+ '#type' => 'textfield',
+ '#title' => t('Authored on'),
+ '#maxlength' => 25,
+ '#description' => t('Format: %time. The date format is YYYY-MM-DD and %timezone is the time zone offset from UTC. Leave blank to use the time of form submission.', array('%time' => !empty($node->date) ? date_format(date_create($node->date), 'Y-m-d H:i:s O') : format_date($node->created, 'custom', 'Y-m-d H:i:s O'), '%timezone' => !empty($node->date) ? date_format(date_create($node->date), 'O') : format_date($node->created, 'custom', 'O'))),
+ '#default_value' => !empty($node->date) ? $node->date : '',
+ );
+
+ // Node options for administrators
+ $form['options'] = array(
+ '#type' => 'fieldset',
+ '#access' => user_access('administer nodes'),
+ '#title' => t('Publishing options'),
+ '#collapsible' => TRUE,
+ '#collapsed' => TRUE,
+ '#group' => 'additional_settings',
+ '#attributes' => array(
+ 'class' => array('node-form-options'),
+ ),
+ '#attached' => array(
+ 'js' => array(drupal_get_path('module', 'node') . '/node.js'),
+ ),
+ '#weight' => 95,
+ );
+ $form['options']['status'] = array(
+ '#type' => 'checkbox',
+ '#title' => t('Published'),
+ '#default_value' => $node->status,
+ );
+ $form['options']['promote'] = array(
+ '#type' => 'checkbox',
+ '#title' => t('Promoted to front page'),
+ '#default_value' => $node->promote,
+ );
+ $form['options']['sticky'] = array(
+ '#type' => 'checkbox',
+ '#title' => t('Sticky at top of lists'),
+ '#default_value' => $node->sticky,
+ );
+
+ // Add the buttons.
+ $form['actions'] = array('#type' => 'actions');
+ $form['actions']['submit'] = array(
+ '#type' => 'submit',
+ '#access' => variable_get('node_preview_' . $node->type, DRUPAL_OPTIONAL) != DRUPAL_REQUIRED || (!form_get_errors() && isset($form_state['node_preview'])),
+ '#value' => t('Save'),
+ '#weight' => 5,
+ '#submit' => array('node_form_submit'),
+ );
+ $form['actions']['preview'] = array(
+ '#access' => variable_get('node_preview_' . $node->type, DRUPAL_OPTIONAL) != DRUPAL_DISABLED,
+ '#type' => 'submit',
+ '#value' => t('Preview'),
+ '#weight' => 10,
+ '#submit' => array('node_form_build_preview'),
+ );
+ if (!empty($node->nid) && node_access('delete', $node)) {
+ $form['actions']['delete'] = array(
+ '#type' => 'submit',
+ '#value' => t('Delete'),
+ '#weight' => 15,
+ '#submit' => array('node_form_delete_submit'),
+ );
+ }
+ // This form uses a button-level #submit handler for the form's main submit
+ // action. node_form_submit() manually invokes all form-level #submit handlers
+ // of the form. Without explicitly setting #submit, Form API would auto-detect
+ // node_form_submit() as submit handler, but that is the button-level #submit
+ // handler for the 'Save' action. To maintain backwards compatibility, a
+ // #submit handler is auto-suggested for custom node type modules.
+ $form['#validate'][] = 'node_form_validate';
+ if (!isset($form['#submit']) && function_exists($node->type . '_node_form_submit')) {
+ $form['#submit'][] = $node->type . '_node_form_submit';
+ }
+ $form += array('#submit' => array());
+
+ field_attach_form('node', $node, $form, $form_state, entity_language('node', $node));
+ return $form;
+}
+
+/**
+ * Form submission handler for node_form().
+ *
+ * Handles the 'Delete' button on the node form.
+ *
+ * @see node_form()
+ * @see node_form_validate()
+ */
+function node_form_delete_submit($form, &$form_state) {
+ $destination = array();
+ if (isset($_GET['destination'])) {
+ $destination = drupal_get_destination();
+ unset($_GET['destination']);
+ }
+ $node = $form['#node'];
+ $form_state['redirect'] = array('node/' . $node->nid . '/delete', array('query' => $destination));
+}
+
+/**
+ * Form submission handler for node_form().
+ *
+ * Handles the 'Preview' button on the node form.
+ *
+ * @see node_form()
+ * @see node_form_validate()
+ */
+function node_form_build_preview($form, &$form_state) {
+ $node = node_form_submit_build_node($form, $form_state);
+ $form_state['node_preview'] = node_preview($node);
+ $form_state['rebuild'] = TRUE;
+}
+
+/**
+ * Generates a node preview.
+ *
+ * @param $node
+ * The node to preview.
+ *
+ * @return
+ * An HTML-formatted string of a node preview.
+ *
+ * @see node_form_build_preview()
+ */
+function node_preview($node) {
+ // Clone the node before previewing it to prevent the node itself from being
+ // modified.
+ $cloned_node = clone $node;
+ if (node_access('create', $cloned_node) || node_access('update', $cloned_node)) {
+ _field_invoke_multiple('load', 'node', array($cloned_node->nid => $cloned_node));
+ // Load the user's name when needed.
+ if (isset($cloned_node->name)) {
+ // The use of isset() is mandatory in the context of user IDs, because
+ // user ID 0 denotes the anonymous user.
+ if ($user = user_load_by_name($cloned_node->name)) {
+ $cloned_node->uid = $user->uid;
+ $cloned_node->picture = $user->picture;
+ }
+ else {
+ $cloned_node->uid = 0; // anonymous user
+ }
+ }
+ elseif ($cloned_node->uid) {
+ $user = user_load($cloned_node->uid);
+ $cloned_node->name = $user->name;
+ $cloned_node->picture = $user->picture;
+ }
+
+ $cloned_node->changed = REQUEST_TIME;
+ $nodes = array($cloned_node->nid => $cloned_node);
+
+ // Display a preview of the node.
+ if (!form_get_errors()) {
+ $cloned_node->in_preview = TRUE;
+ $output = theme('node_preview', array('node' => $cloned_node));
+ unset($cloned_node->in_preview);
+ }
+ drupal_set_title(t('Preview'), PASS_THROUGH);
+
+ return $output;
+ }
+}
+
+/**
+ * Returns HTML for a node preview for display during node creation and editing.
+ *
+ * @param $variables
+ * An associative array containing:
+ * - node: The node object which is being previewed.
+ *
+ * @see node_preview()
+ * @ingroup themeable
+ */
+function theme_node_preview($variables) {
+ $node = $variables['node'];
+
+ $output = '<div class="preview">';
+
+ $preview_trimmed_version = FALSE;
+
+ $elements = node_view(clone $node, 'teaser');
+ $trimmed = drupal_render($elements);
+ $elements = node_view($node, 'full');
+ $full = drupal_render($elements);
+
+ // Do we need to preview trimmed version of post as well as full version?
+ if ($trimmed != $full) {
+ drupal_set_message(t('The trimmed version of your post shows what your post looks like when promoted to the main page or when exported for syndication.<span class="no-js"> You can insert the delimiter "<!--break-->" (without the quotes) to fine-tune where your post gets split.</span>'));
+ $output .= '<h3>' . t('Preview trimmed version') . '</h3>';
+ $output .= $trimmed;
+ $output .= '<h3>' . t('Preview full version') . '</h3>';
+ $output .= $full;
+ }
+ else {
+ $output .= $full;
+ }
+ $output .= "</div>\n";
+
+ return $output;
+}
+
+/**
+ * Form submission handler for node_form().
+ *
+ * @see node_form()
+ * @see node_form_validate()
+ */
+function node_form_submit($form, &$form_state) {
+ $node = node_form_submit_build_node($form, $form_state);
+ $insert = empty($node->nid);
+ node_save($node);
+ $node_link = l(t('view'), 'node/' . $node->nid);
+ $watchdog_args = array('@type' => $node->type, '%title' => $node->title);
+ $t_args = array('@type' => node_type_get_name($node), '%title' => $node->title);
+
+ if ($insert) {
+ watchdog('content', '@type: added %title.', $watchdog_args, WATCHDOG_NOTICE, $node_link);
+ drupal_set_message(t('@type %title has been created.', $t_args));
+ }
+ else {
+ watchdog('content', '@type: updated %title.', $watchdog_args, WATCHDOG_NOTICE, $node_link);
+ drupal_set_message(t('@type %title has been updated.', $t_args));
+ }
+ if ($node->nid) {
+ $form_state['values']['nid'] = $node->nid;
+ $form_state['nid'] = $node->nid;
+ $form_state['redirect'] = node_access('view', $node) ? 'node/' . $node->nid : '<front>';
+ }
+ else {
+ // In the unlikely case something went wrong on save, the node will be
+ // rebuilt and node form redisplayed the same way as in preview.
+ drupal_set_message(t('The post could not be saved.'), 'error');
+ $form_state['rebuild'] = TRUE;
+ }
+ // Clear the page and block caches.
+ cache_clear_all();
+}
+
+/**
+ * Updates the form state's node entity by processing this submission's values.
+ *
+ * This is the default builder function for the node form. It is called
+ * during the "Save" and "Preview" submit handlers to retrieve the entity to
+ * save or preview. This function can also be called by a "Next" button of a
+ * wizard to update the form state's entity with the current step's values
+ * before proceeding to the next step.
+ *
+ * @see node_form()
+ */
+function node_form_submit_build_node($form, &$form_state) {
+ // @todo Legacy support for modules that extend the node form with form-level
+ // submit handlers that adjust $form_state['values'] prior to those values
+ // being used to update the entity. Module authors are encouraged to instead
+ // adjust the node directly within a hook_node_submit() implementation. For
+ // Drupal 8, evaluate whether the pattern of triggering form-level submit
+ // handlers during button-level submit processing is worth supporting
+ // properly, and if so, add a Form API function for doing so.
+ unset($form_state['submit_handlers']);
+ form_execute_handlers('submit', $form, $form_state);
+
+ $node = $form_state['node'];
+ entity_form_submit_build_entity('node', $node, $form, $form_state);
+
+ node_submit($node);
+ foreach (module_implements('node_submit') as $module) {
+ $function = $module . '_node_submit';
+ $function($node, $form, $form_state);
+ }
+ return $node;
+}
+
+/**
+ * Form constructor for the node deletion confirmation form.
+ *
+ * @see node_delete_confirm_submit()
+ */
+function node_delete_confirm($form, &$form_state, $node) {
+ $form['#node'] = $node;
+ // Always provide entity id in the same form key as in the entity edit form.
+ $form['nid'] = array('#type' => 'value', '#value' => $node->nid);
+ return confirm_form($form,
+ t('Are you sure you want to delete %title?', array('%title' => $node->title)),
+ 'node/' . $node->nid,
+ t('This action cannot be undone.'),
+ t('Delete'),
+ t('Cancel')
+ );
+}
+
+/**
+ * Executes node deletion.
+ *
+ * @see node_delete_confirm()
+ */
+function node_delete_confirm_submit($form, &$form_state) {
+ if ($form_state['values']['confirm']) {
+ $node = node_load($form_state['values']['nid']);
+ node_delete($form_state['values']['nid']);
+ cache_clear_all();
+ watchdog('content', '@type: deleted %title.', array('@type' => $node->type, '%title' => $node->title));
+ drupal_set_message(t('@type %title has been deleted.', array('@type' => node_type_get_name($node), '%title' => $node->title)));
+ }
+
+ $form_state['redirect'] = '<front>';
+}
+
+/**
+ * Generates an overview table of older revisions of a node.
+ *
+ * @param $node
+ * A node object.
+ *
+ * @return array
+ * An array as expected by drupal_render().
+ *
+ * @see node_menu()
+ */
+function node_revision_overview($node) {
+ drupal_set_title(t('Revisions for %title', array('%title' => $node->title)), PASS_THROUGH);
+
+ $header = array(t('Revision'), array('data' => t('Operations'), 'colspan' => 2));
+
+ $revisions = node_revision_list($node);
+
+ $rows = array();
+ $revert_permission = FALSE;
+ if ((user_access('revert revisions') || user_access('administer nodes')) && node_access('update', $node)) {
+ $revert_permission = TRUE;
+ }
+ $delete_permission = FALSE;
+ if ((user_access('delete revisions') || user_access('administer nodes')) && node_access('delete', $node)) {
+ $delete_permission = TRUE;
+ }
+ foreach ($revisions as $revision) {
+ $row = array();
+ $operations = array();
+
+ if ($revision->current_vid > 0) {
+ $row[] = array('data' => t('!date by !username', array('!date' => l(format_date($revision->timestamp, 'short'), "node/$node->nid"), '!username' => theme('username', array('account' => $revision))))
+ . (($revision->log != '') ? '<p class="revision-log">' . filter_xss($revision->log) . '</p>' : ''),
+ 'class' => array('revision-current'));
+ $operations[] = array('data' => drupal_placeholder(t('current revision')), 'class' => array('revision-current'), 'colspan' => 2);
+ }
+ else {
+ $row[] = t('!date by !username', array('!date' => l(format_date($revision->timestamp, 'short'), "node/$node->nid/revisions/$revision->vid/view"), '!username' => theme('username', array('account' => $revision))))
+ . (($revision->log != '') ? '<p class="revision-log">' . filter_xss($revision->log) . '</p>' : '');
+ if ($revert_permission) {
+ $operations[] = l(t('revert'), "node/$node->nid/revisions/$revision->vid/revert");
+ }
+ if ($delete_permission) {
+ $operations[] = l(t('delete'), "node/$node->nid/revisions/$revision->vid/delete");
+ }
+ }
+ $rows[] = array_merge($row, $operations);
+ }
+
+ $build['node_revisions_table'] = array(
+ '#theme' => 'table',
+ '#rows' => $rows,
+ '#header' => $header,
+ );
+
+ return $build;
+}
+
+/**
+ * Asks for confirmation of the reversion to prevent against CSRF attacks.
+ *
+ * @param int $node_revision
+ * The node revision ID.
+ *
+ * @return array
+ * An array as expected by drupal_render().
+ *
+ * @see node_menu()
+ * @see node_revision_revert_confirm_submit()
+ * @ingroup forms
+ */
+function node_revision_revert_confirm($form, $form_state, $node_revision) {
+ $form['#node_revision'] = $node_revision;
+ return confirm_form($form, t('Are you sure you want to revert to the revision from %revision-date?', array('%revision-date' => format_date($node_revision->revision_timestamp))), 'node/' . $node_revision->nid . '/revisions', '', t('Revert'), t('Cancel'));
+}
+
+/**
+ * Form submission handler for node_revision_revert_confirm().
+ */
+function node_revision_revert_confirm_submit($form, &$form_state) {
+ $node_revision = $form['#node_revision'];
+ $node_revision->revision = 1;
+ $node_revision->log = t('Copy of the revision from %date.', array('%date' => format_date($node_revision->revision_timestamp)));
+
+ node_save($node_revision);
+
+ watchdog('content', '@type: reverted %title revision %revision.', array('@type' => $node_revision->type, '%title' => $node_revision->title, '%revision' => $node_revision->vid));
+ drupal_set_message(t('@type %title has been reverted back to the revision from %revision-date.', array('@type' => node_type_get_name($node_revision), '%title' => $node_revision->title, '%revision-date' => format_date($node_revision->revision_timestamp))));
+ $form_state['redirect'] = 'node/' . $node_revision->nid . '/revisions';
+}
+
+/**
+ * Form constructor for the revision deletion confirmation form.
+ *
+ * This form prevents against CSRF attacks.
+ *
+ * @param $node_revision
+ * The node revision ID.
+ *
+ * @return
+ * An array as expected by drupal_render().
+ *
+ * @see node_menu()
+ * @see node_revision_delete_confirm_submit()
+ * @ingroup forms
+ */
+function node_revision_delete_confirm($form, $form_state, $node_revision) {
+ $form['#node_revision'] = $node_revision;
+ return confirm_form($form, t('Are you sure you want to delete the revision from %revision-date?', array('%revision-date' => format_date($node_revision->revision_timestamp))), 'node/' . $node_revision->nid . '/revisions', t('This action cannot be undone.'), t('Delete'), t('Cancel'));
+}
+
+/**
+ * Form submission handler for node_revision_delete_confirm().
+ */
+function node_revision_delete_confirm_submit($form, &$form_state) {
+ $node_revision = $form['#node_revision'];
+ node_revision_delete($node_revision->vid);
+
+ watchdog('content', '@type: deleted %title revision %revision.', array('@type' => $node_revision->type, '%title' => $node_revision->title, '%revision' => $node_revision->vid));
+ drupal_set_message(t('Revision from %revision-date of @type %title has been deleted.', array('%revision-date' => format_date($node_revision->revision_timestamp), '@type' => node_type_get_name($node_revision), '%title' => $node_revision->title)));
+ $form_state['redirect'] = 'node/' . $node_revision->nid;
+ if (db_query('SELECT COUNT(vid) FROM {node_revision} WHERE nid = :nid', array(':nid' => $node_revision->nid))->fetchField() > 1) {
+ $form_state['redirect'] .= '/revisions';
+ }
+}