--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/web/drupal/modules/node/node.pages.inc Fri Aug 21 16:26:26 2009 +0000
@@ -0,0 +1,607 @@
+<?php
+// $Id: node.pages.inc,v 1.28.2.4 2009/04/27 11:35:01 goba Exp $
+
+/**
+ * @file
+ * Page callbacks for adding, editing, deleting, and revisions management for content.
+ */
+
+
+/**
+ * Menu callback; presents the node editing form, or redirects to delete confirmation.
+ */
+function node_page_edit($node) {
+ drupal_set_title(check_plain($node->title));
+ return drupal_get_form($node->type .'_node_form', $node);
+}
+
+function node_add_page() {
+ $item = menu_get_item();
+ $content = system_admin_menu_block($item);
+ return theme('node_add_list', $content);
+}
+
+/**
+ * Display the list of available node types for node creation.
+ *
+ * @ingroup themeable
+ */
+function theme_node_add_list($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>';
+ }
+ return $output;
+}
+
+
+/**
+ * Present a node submission form or a set of links to such forms.
+ */
+function node_add($type) {
+ global $user;
+
+ $types = node_get_types();
+ $type = isset($type) ? str_replace('-', '_', $type) : NULL;
+ // If a node type has been specified, validate its existence.
+ if (isset($types[$type]) && node_access('create', $type)) {
+ // Initialize settings:
+ $node = array('uid' => $user->uid, 'name' => (isset($user->name) ? $user->name : ''), 'type' => $type, 'language' => '');
+
+ drupal_set_title(t('Create @name', array('@name' => $types[$type]->name)));
+ $output = drupal_get_form($type .'_node_form', $node);
+ }
+
+ return $output;
+}
+
+function node_form_validate($form, &$form_state) {
+ node_validate($form_state['values'], $form);
+}
+
+function node_object_prepare(&$node) {
+ // Set up default values, if required.
+ $node_options = variable_get('node_options_'. $node->type, array('status', 'promote'));
+ // If this is a new node, fill in the default values.
+ if (!isset($node->nid)) {
+ foreach (array('status', 'promote', 'sticky') as $key) {
+ $node->$key = in_array($key, $node_options);
+ }
+ global $user;
+ $node->uid = $user->uid;
+ $node->created = time();
+ }
+ else {
+ $node->date = format_date($node->created, 'custom', 'Y-m-d H:i:s O');
+ // Remove the log message from the original node object.
+ $node->log = NULL;
+ }
+ // Always use the default revision setting.
+ $node->revision = in_array('revision', $node_options);
+
+ node_invoke($node, 'prepare');
+ node_invoke_nodeapi($node, 'prepare');
+}
+
+/**
+ * Generate the node add/edit form array.
+ */
+function node_form(&$form_state, $node) {
+ global $user;
+
+ if (isset($form_state['node'])) {
+ $node = $form_state['node'] + (array)$node;
+ }
+ if (isset($form_state['node_preview'])) {
+ $form['#prefix'] = $form_state['node_preview'];
+ }
+ $node = (object)$node;
+ foreach (array('body', 'title', 'format') as $key) {
+ if (!isset($node->$key)) {
+ $node->$key = NULL;
+ }
+ }
+ if (!isset($form_state['node_preview'])) {
+ node_object_prepare($node);
+ }
+ else {
+ $node->build_mode = NODE_BUILD_PREVIEW;
+ }
+
+ // Set the id of the top-level form tag
+ $form['#id'] = 'node-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) ? $node->changed : NULL,
+ );
+ // Get the node-specific bits.
+ if ($extra = node_invoke($node, 'form', $form_state)) {
+ $form = array_merge_recursive($form, $extra);
+ }
+ if (!isset($form['title']['#weight'])) {
+ $form['title']['#weight'] = -5;
+ }
+
+ $form['#node'] = $node;
+
+ // Add a log field if the "Create new revision" option is checked, or if the
+ // current user has the ability to check that option.
+ if (!empty($node->revision) || user_access('administer nodes')) {
+ $form['revision_information'] = array(
+ '#type' => 'fieldset',
+ '#title' => t('Revision information'),
+ '#collapsible' => TRUE,
+ // Collapsed by default when "Create new revision" is unchecked
+ '#collapsed' => !$node->revision,
+ '#weight' => 20,
+ );
+ $form['revision_information']['revision'] = array(
+ '#access' => user_access('administer nodes'),
+ '#type' => 'checkbox',
+ '#title' => t('Create new revision'),
+ '#default_value' => $node->revision,
+ );
+ $form['revision_information']['log'] = array(
+ '#type' => 'textarea',
+ '#title' => t('Log message'),
+ '#default_value' => (isset($node->log) ? $node->log : ''),
+ '#rows' => 2,
+ '#description' => t('An explanation of the additions or updates being made to 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,
+ '#weight' => 20,
+ );
+ $form['author']['name'] = array(
+ '#type' => 'textfield',
+ '#title' => t('Authored by'),
+ '#maxlength' => 60,
+ '#autocomplete_path' => 'user/autocomplete',
+ '#default_value' => $node->name ? $node->name : '',
+ '#weight' => -1,
+ '#description' => t('Leave blank for %anonymous.', array('%anonymous' => variable_get('anonymous', t('Anonymous')))),
+ );
+ $form['author']['date'] = array(
+ '#type' => 'textfield',
+ '#title' => t('Authored on'),
+ '#maxlength' => 25,
+ '#description' => t('Format: %time. Leave blank to use the time of form submission.', array('%time' => !empty($node->date) ? $node->date : format_date($node->created, 'custom', 'Y-m-d H:i:s O'))),
+ );
+
+ if (isset($node->date)) {
+ $form['author']['date']['#default_value'] = $node->date;
+ }
+
+ // Node options for administrators
+ $form['options'] = array(
+ '#type' => 'fieldset',
+ '#access' => user_access('administer nodes'),
+ '#title' => t('Publishing options'),
+ '#collapsible' => TRUE,
+ '#collapsed' => TRUE,
+ '#weight' => 25,
+ );
+ $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,
+ );
+
+ // These values are used when the user has no administrator access.
+ foreach (array('uid', 'created') as $key) {
+ $form[$key] = array(
+ '#type' => 'value',
+ '#value' => $node->$key,
+ );
+ }
+
+ // Add the buttons.
+ $form['buttons'] = array();
+ $form['buttons']['submit'] = array(
+ '#type' => 'submit',
+ '#access' => !variable_get('node_preview', 0) || (!form_get_errors() && isset($form_state['node_preview'])),
+ '#value' => t('Save'),
+ '#weight' => 5,
+ '#submit' => array('node_form_submit'),
+ );
+ $form['buttons']['preview'] = array(
+ '#type' => 'submit',
+ '#value' => t('Preview'),
+ '#weight' => 10,
+ '#submit' => array('node_form_build_preview'),
+ );
+ if (!empty($node->nid) && node_access('delete', $node)) {
+ $form['buttons']['delete'] = array(
+ '#type' => 'submit',
+ '#value' => t('Delete'),
+ '#weight' => 15,
+ '#submit' => array('node_form_delete_submit'),
+ );
+ }
+ $form['#validate'][] = 'node_form_validate';
+ $form['#theme'] = array($node->type .'_node_form', 'node_form');
+ return $form;
+}
+
+/**
+ * Return a node body field, with format and teaser.
+ */
+function node_body_field(&$node, $label, $word_count) {
+
+ // Check if we need to restore the teaser at the beginning of the body.
+ $include = !isset($node->teaser) || ($node->teaser == substr($node->body, 0, strlen($node->teaser)));
+
+ $form = array(
+ '#after_build' => array('node_teaser_js', 'node_teaser_include_verify'));
+
+ $form['#prefix'] = '<div class="body-field-wrapper">';
+ $form['#suffix'] = '</div>';
+
+ $form['teaser_js'] = array(
+ '#type' => 'textarea',
+ '#rows' => 10,
+ '#teaser' => 'edit-body',
+ '#teaser_checkbox' => 'edit-teaser-include',
+ '#disabled' => TRUE,
+ );
+
+ $form['teaser_include'] = array(
+ '#type' => 'checkbox',
+ '#title' => t('Show summary in full view'),
+ '#default_value' => $include,
+ '#prefix' => '<div class="teaser-checkbox">',
+ '#suffix' => '</div>',
+ );
+
+ $form['body'] = array(
+ '#type' => 'textarea',
+ '#title' => check_plain($label),
+ '#default_value' => $include ? $node->body : ($node->teaser . $node->body),
+ '#rows' => 20,
+ '#required' => ($word_count > 0),
+ );
+
+ $form['format'] = filter_form($node->format);
+
+ return $form;
+}
+
+/**
+ * Button sumit function: handle the 'Delete' button on the node form.
+ */
+function node_form_delete_submit($form, &$form_state) {
+ $destination = '';
+ if (isset($_REQUEST['destination'])) {
+ $destination = drupal_get_destination();
+ unset($_REQUEST['destination']);
+ }
+ $node = $form['#node'];
+ $form_state['redirect'] = array('node/'. $node->nid .'/delete', $destination);
+}
+
+
+function node_form_build_preview($form, &$form_state) {
+ $node = node_form_submit_build_node($form, $form_state);
+ $form_state['node_preview'] = node_preview($node);
+}
+
+/**
+ * Present a node submission form.
+ *
+ * @ingroup themeable
+ */
+function theme_node_form($form) {
+ $output = "\n<div class=\"node-form\">\n";
+
+ // Admin form fields and submit buttons must be rendered first, because
+ // they need to go to the bottom of the form, and so should not be part of
+ // the catch-all call to drupal_render().
+ $admin = '';
+ if (isset($form['author'])) {
+ $admin .= " <div class=\"authored\">\n";
+ $admin .= drupal_render($form['author']);
+ $admin .= " </div>\n";
+ }
+ if (isset($form['options'])) {
+ $admin .= " <div class=\"options\">\n";
+ $admin .= drupal_render($form['options']);
+ $admin .= " </div>\n";
+ }
+ $buttons = drupal_render($form['buttons']);
+
+ // Everything else gets rendered here, and is displayed before the admin form
+ // field and the submit buttons.
+ $output .= " <div class=\"standard\">\n";
+ $output .= drupal_render($form);
+ $output .= " </div>\n";
+
+ if (!empty($admin)) {
+ $output .= " <div class=\"admin\">\n";
+ $output .= $admin;
+ $output .= " </div>\n";
+ }
+ $output .= $buttons;
+ $output .= "</div>\n";
+
+ return $output;
+}
+
+/**
+ * Generate a node preview.
+ */
+function node_preview($node) {
+ if (node_access('create', $node) || node_access('update', $node)) {
+ // Load the user's name when needed.
+ if (isset($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(array('name' => $node->name))) {
+ $node->uid = $user->uid;
+ $node->picture = $user->picture;
+ }
+ else {
+ $node->uid = 0; // anonymous user
+ }
+ }
+ else if ($node->uid) {
+ $user = user_load(array('uid' => $node->uid));
+ $node->name = $user->name;
+ $node->picture = $user->picture;
+ }
+
+ $node->changed = time();
+
+ // Extract a teaser, if it hasn't been set (e.g. by a module-provided
+ // 'teaser' form item).
+ if (!isset($node->teaser)) {
+ $node->teaser = empty($node->body) ? '' : node_teaser($node->body, $node->format);
+ // Chop off the teaser from the body if needed.
+ if (!$node->teaser_include && $node->teaser == substr($node->body, 0, strlen($node->teaser))) {
+ $node->body = substr($node->body, strlen($node->teaser));
+ }
+ }
+
+ // Display a preview of the node.
+ // Previewing alters $node so it needs to be cloned.
+ if (!form_get_errors()) {
+ $cloned_node = drupal_clone($node);
+ $cloned_node->build_mode = NODE_BUILD_PREVIEW;
+ $output = theme('node_preview', $cloned_node);
+ }
+ drupal_set_title(t('Preview'));
+
+ return $output;
+ }
+}
+
+/**
+ * Display a node preview for display during node creation and editing.
+ *
+ * @param $node
+ * The node object which is being previewed.
+ *
+ * @ingroup themeable
+ */
+function theme_node_preview($node) {
+ $output = '<div class="preview">';
+
+ $preview_trimmed_version = FALSE;
+ // Do we need to preview trimmed version of post as well as full version?
+ if (isset($node->teaser) && isset($node->body)) {
+ $teaser = trim($node->teaser);
+ $body = trim(str_replace('<!--break-->', '', $node->body));
+
+ // Preview trimmed version if teaser and body will appear different;
+ // also (edge case) if both teaser and body have been specified by the user
+ // and are actually the same.
+ if ($teaser != $body || ($body && strpos($node->body, '<!--break-->') === 0)) {
+ $preview_trimmed_version = TRUE;
+ }
+ }
+
+ if ($preview_trimmed_version) {
+ 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>';
+ $output .= node_view(drupal_clone($node), 1, FALSE, 0);
+ $output .= '<h3>'. t('Preview full version') .'</h3>';
+ $output .= node_view($node, 0, FALSE, 0);
+ }
+ else {
+ $output .= node_view($node, 0, FALSE, 0);
+ }
+ $output .= "</div>\n";
+
+ return $output;
+}
+
+function node_form_submit($form, &$form_state) {
+ global $user;
+
+ $node = node_form_submit_build_node($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_get_types('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) {
+ unset($form_state['rebuild']);
+ $form_state['nid'] = $node->nid;
+ $form_state['redirect'] = 'node/'. $node->nid;
+ }
+ else {
+ // In the unlikely case something went wrong on save, the node will be
+ // rebuilt and node form redisplayed the same way as in preview.
+ drupal_set_message(t('The post could not be saved.'), 'error');
+ }
+}
+
+/**
+ * Build a node by processing submitted form values and prepare for a form rebuild.
+ */
+function node_form_submit_build_node($form, &$form_state) {
+ // Unset any button-level handlers, execute all the form-level submit
+ // functions to process the form values into an updated node.
+ unset($form_state['submit_handlers']);
+ form_execute_handlers('submit', $form, $form_state);
+ $node = node_submit($form_state['values']);
+ $form_state['node'] = (array)$node;
+ $form_state['rebuild'] = TRUE;
+ return $node;
+}
+
+/**
+ * Menu callback -- ask for confirmation of node deletion
+ */
+function node_delete_confirm(&$form_state, $node) {
+ $form['nid'] = array(
+ '#type' => 'value',
+ '#value' => $node->nid,
+ );
+
+ return confirm_form($form,
+ t('Are you sure you want to delete %title?', array('%title' => $node->title)),
+ isset($_GET['destination']) ? $_GET['destination'] : 'node/'. $node->nid,
+ t('This action cannot be undone.'),
+ t('Delete'),
+ t('Cancel')
+ );
+}
+
+/**
+ * Execute node deletion
+ */
+function node_delete_confirm_submit($form, &$form_state) {
+ if ($form_state['values']['confirm']) {
+ node_delete($form_state['values']['nid']);
+ }
+
+ $form_state['redirect'] = '<front>';
+}
+
+/**
+ * Generate an overview table of older revisions of a node.
+ */
+function node_revision_overview($node) {
+ drupal_set_title(t('Revisions for %title', array('%title' => $node->title)));
+
+ $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, 'small'), "node/$node->nid"), '!username' => theme('username', $revision)))
+ . (($revision->log != '') ? '<p class="revision-log">'. filter_xss($revision->log) .'</p>' : ''),
+ 'class' => 'revision-current');
+ $operations[] = array('data' => theme('placeholder', t('current revision')), 'class' => 'revision-current', 'colspan' => 2);
+ }
+ else {
+ $row[] = t('!date by !username', array('!date' => l(format_date($revision->timestamp, 'small'), "node/$node->nid/revisions/$revision->vid/view"), '!username' => theme('username', $revision)))
+ . (($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);
+ }
+
+ return theme('table', $header, $rows);
+}
+
+/**
+ * Ask for confirmation of the reversion to prevent against CSRF attacks.
+ */
+function node_revision_revert_confirm($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/'. $node_revision->nid .'/revisions', '', t('Revert'), t('Cancel'));
+}
+
+function node_revision_revert_confirm_submit($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)));
+ if (module_exists('taxonomy')) {
+ $node_revision->taxonomy = array_keys($node_revision->taxonomy);
+ }
+
+ 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_get_types('name', $node_revision), '%title' => $node_revision->title, '%revision-date' => format_date($node_revision->revision_timestamp))));
+ $form_state['redirect'] = 'node/'. $node_revision->nid .'/revisions';
+}
+
+function node_revision_delete_confirm($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/'. $node_revision->nid .'/revisions', t('This action cannot be undone.'), t('Delete'), t('Cancel'));
+}
+
+function node_revision_delete_confirm_submit($form, &$form_state) {
+ $node_revision = $form['#node_revision'];
+ db_query("DELETE FROM {node_revisions} WHERE nid = %d AND vid = %d", $node_revision->nid, $node_revision->vid);
+ node_invoke_nodeapi($node_revision, 'delete revision');
+ 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_get_types('name', $node_revision), '%title' => $node_revision->title)));
+ $form_state['redirect'] = 'node/'. $node_revision->nid;
+ if (db_result(db_query('SELECT COUNT(vid) FROM {node_revisions} WHERE nid = %d', $node_revision->nid)) > 1) {
+ $form_state['redirect'] .= '/revisions';
+ }
+}