681 lines
24 KiB
PHP
681 lines
24 KiB
PHP
<?php
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/**
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* @file
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* Page callbacks for adding, editing, deleting, and revisions management for content.
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*/
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/**
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* Menu callback; presents the node editing form.
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*/
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function node_page_edit($node) {
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$type_name = node_type_get_name($node);
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drupal_set_title(t('<em>Edit @type</em> @title', array('@type' => $type_name, '@title' => $node->title)), PASS_THROUGH);
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return drupal_get_form($node->type . '_node_form', $node);
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}
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/**
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* Page callback: Displays add content links for available content types.
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*
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* Redirects to node/add/[type] if only one content type is available.
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*
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* @see node_menu()
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*/
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function node_add_page() {
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$item = menu_get_item();
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$content = system_admin_menu_block($item);
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// Bypass the node/add listing if only one content type is available.
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if (count($content) == 1) {
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$item = array_shift($content);
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drupal_goto($item['href']);
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}
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return theme('node_add_list', array('content' => $content));
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}
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/**
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* Returns HTML for a list of available node types for node creation.
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*
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* @param $variables
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* An associative array containing:
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* - content: An array of content types.
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*
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* @ingroup themeable
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*/
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function theme_node_add_list($variables) {
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$content = $variables['content'];
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$output = '';
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if ($content) {
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$output = '<dl class="node-type-list">';
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foreach ($content as $item) {
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$output .= '<dt>' . l($item['title'], $item['href'], $item['localized_options']) . '</dt>';
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$output .= '<dd>' . filter_xss_admin($item['description']) . '</dd>';
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}
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$output .= '</dl>';
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}
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else {
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$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>';
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}
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return $output;
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}
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/**
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* Returns a node submission form.
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*
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* @param $type
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* The node type for the submitted node.
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*
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* @return
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* The themed form.
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*/
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function node_add($type) {
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global $user;
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$types = node_type_get_types();
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$node = (object) array('uid' => $user->uid, 'name' => (isset($user->name) ? $user->name : ''), 'type' => $type, 'language' => LANGUAGE_NONE);
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drupal_set_title(t('Create @name', array('@name' => $types[$type]->name)), PASS_THROUGH);
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$output = drupal_get_form($type . '_node_form', $node);
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return $output;
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}
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/**
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* Form validation handler for node_form().
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*
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* @see node_form()
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* @see node_form_submit()
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*/
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function node_form_validate($form, &$form_state) {
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// $form_state['node'] contains the actual entity being edited, but we must
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// not update it with form values that have not yet been validated, so we
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// create a pseudo-entity to use during validation.
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$node = (object) $form_state['values'];
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node_validate($node, $form, $form_state);
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entity_form_field_validate('node', $form, $form_state);
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}
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/**
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* Form constructor for the node add/edit form.
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*
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* @see node_form_validate()
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* @see node_form_submit()
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* @see node_form_build_preview()
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* @see node_form_delete_submit()
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* @ingroup forms
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*/
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function node_form($form, &$form_state, $node) {
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global $user;
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// During initial form build, add the node entity to the form state for use
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// during form building and processing. During a rebuild, use what is in the
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// form state.
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if (!isset($form_state['node'])) {
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if (!isset($node->title)) {
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$node->title = NULL;
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}
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node_object_prepare($node);
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$form_state['node'] = $node;
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}
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else {
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$node = $form_state['node'];
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}
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// Some special stuff when previewing a node.
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if (isset($form_state['node_preview'])) {
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$form['#prefix'] = $form_state['node_preview'];
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$node->in_preview = TRUE;
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}
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else {
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unset($node->in_preview);
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}
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// Identify this as a node edit form.
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// @todo D8: Remove. Modules can implement hook_form_BASE_FORM_ID_alter() now.
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$form['#node_edit_form'] = TRUE;
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$form['#attributes']['class'][] = 'node-form';
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if (!empty($node->type)) {
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$form['#attributes']['class'][] = 'node-' . $node->type . '-form';
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}
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// Basic node information.
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// These elements are just values so they are not even sent to the client.
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foreach (array('nid', 'vid', 'uid', 'created', 'type', 'language') as $key) {
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$form[$key] = array(
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'#type' => 'value',
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'#value' => isset($node->$key) ? $node->$key : NULL,
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);
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}
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// Changed must be sent to the client, for later overwrite error checking.
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$form['changed'] = array(
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'#type' => 'hidden',
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'#default_value' => isset($node->changed) ? $node->changed : NULL,
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);
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// Invoke hook_form() to get the node-specific bits. Can't use node_invoke(),
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// because hook_form() needs to be able to receive $form_state by reference.
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// @todo hook_form() implementations are unable to add #validate or #submit
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// handlers to the form buttons below. Remove hook_form() entirely.
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$function = node_type_get_base($node) . '_form';
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if (function_exists($function) && ($extra = $function($node, $form_state))) {
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$form = array_merge_recursive($form, $extra);
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}
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// If the node type has a title, and the node type form defined no special
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// weight for it, we default to a weight of -5 for consistency.
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if (isset($form['title']) && !isset($form['title']['#weight'])) {
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$form['title']['#weight'] = -5;
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}
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// @todo D8: Remove. Modules should access the node using $form_state['node'].
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$form['#node'] = $node;
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$form['additional_settings'] = array(
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'#type' => 'vertical_tabs',
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'#weight' => 99,
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);
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// Add a log field if the "Create new revision" option is checked, or if the
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// current user has the ability to check that option.
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$form['revision_information'] = array(
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'#type' => 'fieldset',
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'#title' => t('Revision information'),
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'#collapsible' => TRUE,
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// Collapsed by default when "Create new revision" is unchecked
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'#collapsed' => !$node->revision,
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'#group' => 'additional_settings',
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'#attributes' => array(
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'class' => array('node-form-revision-information'),
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),
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'#attached' => array(
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'js' => array(drupal_get_path('module', 'node') . '/node.js'),
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),
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'#weight' => 20,
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'#access' => $node->revision || user_access('administer nodes'),
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);
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$form['revision_information']['revision'] = array(
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'#type' => 'checkbox',
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'#title' => t('Create new revision'),
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'#default_value' => $node->revision,
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'#access' => user_access('administer nodes'),
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);
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// Check the revision log checkbox when the log textarea is filled in.
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// This must not happen if "Create new revision" is enabled by default, since
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// the state would auto-disable the checkbox otherwise.
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if (!$node->revision) {
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$form['revision_information']['revision']['#states'] = array(
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'checked' => array(
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'textarea[name="log"]' => array('empty' => FALSE),
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),
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);
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}
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$form['revision_information']['log'] = array(
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'#type' => 'textarea',
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'#title' => t('Revision log message'),
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'#rows' => 4,
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'#default_value' => !empty($node->log) ? $node->log : '',
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'#description' => t('Provide an explanation of the changes you are making. This will help other authors understand your motivations.'),
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);
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// Node author information for administrators
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$form['author'] = array(
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'#type' => 'fieldset',
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'#access' => user_access('administer nodes'),
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'#title' => t('Authoring information'),
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'#collapsible' => TRUE,
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'#collapsed' => TRUE,
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'#group' => 'additional_settings',
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'#attributes' => array(
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'class' => array('node-form-author'),
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),
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'#attached' => array(
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'js' => array(
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drupal_get_path('module', 'node') . '/node.js',
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array(
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'type' => 'setting',
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'data' => array('anonymous' => variable_get('anonymous', t('Anonymous'))),
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),
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),
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),
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'#weight' => 90,
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);
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$form['author']['name'] = array(
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'#type' => 'textfield',
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'#title' => t('Authored by'),
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'#maxlength' => 60,
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'#autocomplete_path' => 'user/autocomplete',
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'#default_value' => !empty($node->name) ? $node->name : '',
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'#weight' => -1,
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'#description' => t('Leave blank for %anonymous.', array('%anonymous' => variable_get('anonymous', t('Anonymous')))),
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);
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$form['author']['date'] = array(
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'#type' => 'textfield',
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'#title' => t('Authored on'),
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'#maxlength' => 25,
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'#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'))),
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'#default_value' => !empty($node->date) ? $node->date : '',
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);
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// Node options for administrators
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$form['options'] = array(
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'#type' => 'fieldset',
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'#access' => user_access('administer nodes'),
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'#title' => t('Publishing options'),
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'#collapsible' => TRUE,
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'#collapsed' => TRUE,
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'#group' => 'additional_settings',
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'#attributes' => array(
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'class' => array('node-form-options'),
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),
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'#attached' => array(
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'js' => array(drupal_get_path('module', 'node') . '/node.js'),
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),
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'#weight' => 95,
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);
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$form['options']['status'] = array(
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'#type' => 'checkbox',
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'#title' => t('Published'),
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'#default_value' => $node->status,
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);
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$form['options']['promote'] = array(
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'#type' => 'checkbox',
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'#title' => t('Promoted to front page'),
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'#default_value' => $node->promote,
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);
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$form['options']['sticky'] = array(
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'#type' => 'checkbox',
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'#title' => t('Sticky at top of lists'),
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'#default_value' => $node->sticky,
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);
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// Add the buttons.
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$form['actions'] = array('#type' => 'actions');
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$form['actions']['submit'] = array(
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'#type' => 'submit',
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'#access' => variable_get('node_preview_' . $node->type, DRUPAL_OPTIONAL) != DRUPAL_REQUIRED || (!form_get_errors() && isset($form_state['node_preview'])),
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'#value' => t('Save'),
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'#weight' => 5,
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'#submit' => array('node_form_submit'),
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);
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$form['actions']['preview'] = array(
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'#access' => variable_get('node_preview_' . $node->type, DRUPAL_OPTIONAL) != DRUPAL_DISABLED,
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'#type' => 'submit',
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'#value' => t('Preview'),
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'#weight' => 10,
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'#submit' => array('node_form_build_preview'),
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);
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if (!empty($node->nid) && node_access('delete', $node)) {
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$form['actions']['delete'] = array(
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'#type' => 'submit',
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'#value' => t('Delete'),
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'#weight' => 15,
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'#submit' => array('node_form_delete_submit'),
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);
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}
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// This form uses a button-level #submit handler for the form's main submit
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// action. node_form_submit() manually invokes all form-level #submit handlers
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// of the form. Without explicitly setting #submit, Form API would auto-detect
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// node_form_submit() as submit handler, but that is the button-level #submit
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// handler for the 'Save' action. To maintain backwards compatibility, a
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// #submit handler is auto-suggested for custom node type modules.
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$form['#validate'][] = 'node_form_validate';
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if (!isset($form['#submit']) && function_exists($node->type . '_node_form_submit')) {
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$form['#submit'][] = $node->type . '_node_form_submit';
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}
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$form += array('#submit' => array());
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field_attach_form('node', $node, $form, $form_state, entity_language('node', $node));
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return $form;
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}
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/**
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* Form submission handler for node_form().
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*
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* Handles the 'Delete' button on the node form.
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*
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* @see node_form()
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* @see node_form_validate()
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*/
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function node_form_delete_submit($form, &$form_state) {
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$destination = array();
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if (isset($_GET['destination'])) {
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$destination = drupal_get_destination();
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unset($_GET['destination']);
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}
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$node = $form['#node'];
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$form_state['redirect'] = array('node/' . $node->nid . '/delete', array('query' => $destination));
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}
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/**
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* Form submission handler for node_form().
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*
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* Handles the 'Preview' button on the node form.
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*
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* @see node_form()
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* @see node_form_validate()
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*/
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function node_form_build_preview($form, &$form_state) {
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$node = node_form_submit_build_node($form, $form_state);
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$form_state['node_preview'] = node_preview($node);
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$form_state['rebuild'] = TRUE;
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}
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/**
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* Generates a node preview.
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*
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* @param $node
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* The node to preview.
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*
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* @return
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* An HTML-formatted string of a node preview.
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*
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* @see node_form_build_preview()
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*/
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function node_preview($node) {
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// Clone the node before previewing it to prevent the node itself from being
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// modified.
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$cloned_node = clone $node;
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if (node_access('create', $cloned_node) || node_access('update', $cloned_node)) {
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_field_invoke_multiple('load', 'node', array($cloned_node->nid => $cloned_node));
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// Load the user's name when needed.
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if (isset($cloned_node->name)) {
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// The use of isset() is mandatory in the context of user IDs, because
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// user ID 0 denotes the anonymous user.
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if ($user = user_load_by_name($cloned_node->name)) {
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$cloned_node->uid = $user->uid;
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$cloned_node->picture = $user->picture;
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}
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else {
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$cloned_node->uid = 0; // anonymous user
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}
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}
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elseif ($cloned_node->uid) {
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$user = user_load($cloned_node->uid);
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$cloned_node->name = $user->name;
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$cloned_node->picture = $user->picture;
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}
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$cloned_node->changed = REQUEST_TIME;
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$nodes = array($cloned_node->nid => $cloned_node);
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// Display a preview of the node.
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if (!form_get_errors()) {
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$cloned_node->in_preview = TRUE;
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$output = theme('node_preview', array('node' => $cloned_node));
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unset($cloned_node->in_preview);
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}
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drupal_set_title(t('Preview'), PASS_THROUGH);
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return $output;
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}
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}
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/**
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* Returns HTML for a node preview for display during node creation and editing.
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*
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* @param $variables
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* An associative array containing:
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* - node: The node object which is being previewed.
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*
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* @see node_preview()
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* @ingroup themeable
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*/
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function theme_node_preview($variables) {
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$node = $variables['node'];
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$output = '<div class="preview">';
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$preview_trimmed_version = FALSE;
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$elements = node_view(clone $node, 'teaser');
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$trimmed = drupal_render($elements);
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$elements = node_view($node, 'full');
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$full = drupal_render($elements);
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// Do we need to preview trimmed version of post as well as full version?
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if ($trimmed != $full) {
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drupal_set_message(t('The trimmed version of your post shows what your post looks like when promoted to the main page or when exported for syndication.<span class="no-js"> You can insert the delimiter "<!--break-->" (without the quotes) to fine-tune where your post gets split.</span>'));
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$output .= '<h3>' . t('Preview trimmed version') . '</h3>';
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$output .= $trimmed;
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$output .= '<h3>' . t('Preview full version') . '</h3>';
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$output .= $full;
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}
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else {
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$output .= $full;
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}
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$output .= "</div>\n";
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return $output;
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}
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/**
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* Form submission handler for node_form().
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*
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* @see node_form()
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* @see node_form_validate()
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*/
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function node_form_submit($form, &$form_state) {
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$node = node_form_submit_build_node($form, $form_state);
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$insert = empty($node->nid);
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node_save($node);
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$node_link = l(t('view'), 'node/' . $node->nid);
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$watchdog_args = array('@type' => $node->type, '%title' => $node->title);
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$t_args = array('@type' => node_type_get_name($node), '%title' => $node->title);
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if ($insert) {
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watchdog('content', '@type: added %title.', $watchdog_args, WATCHDOG_NOTICE, $node_link);
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drupal_set_message(t('@type %title has been created.', $t_args));
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}
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else {
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watchdog('content', '@type: updated %title.', $watchdog_args, WATCHDOG_NOTICE, $node_link);
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drupal_set_message(t('@type %title has been updated.', $t_args));
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}
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if ($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';
|
|
}
|
|
}
|