drupal/core/modules/node/node.pages.inc

336 lines
12 KiB
PHP

<?php
/**
* @file
* Callbacks for adding, editing, and deleting content and managing revisions.
*
* Also includes validation, submission and other helper functions.
*
* @see node_menu()
*/
use Drupal\node\Node;
/**
* Page callback: Presents the node editing form.
*
* @see node_menu()
*/
function node_page_edit($node) {
drupal_set_title(t('<em>Edit @type</em> @title', array('@type' => node_get_type_label($node), '@title' => $node->label())), PASS_THROUGH);
return entity_get_form($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() {
$content = array();
// Only use node types the user has access to.
foreach (node_type_get_types() as $type) {
if (node_hook($type->type, 'form') && node_access('create', $type->type)) {
$content[$type->type] = $type;
}
}
// Bypass the node/add listing if only one content type is available.
if (count($content) == 1) {
$type = array_shift($content);
drupal_goto('node/add/' . $type->type);
}
return array('#theme' => 'node_add_list', '#content' => $content);
}
/**
* Returns HTML for a list of available node types for node creation.
*
* @param $variables
* An associative array containing:
* - content: An array of content types.
*
* @see node_add_page()
* @ingroup themeable
*/
function theme_node_add_list($variables) {
$content = $variables['content'];
$output = '';
if ($content) {
$output = '<dl class="node-type-list">';
foreach ($content as $type) {
$output .= '<dt>' . l($type->name, 'node/add/' . $type->type) . '</dt>';
$output .= '<dd>' . filter_xss_admin($type->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;
}
/**
* Page callback: Provides the node submission form.
*
* @param $node_type
* The node type object for the submitted node.
*
* @return
* Returns a node submission form.
*
* @see node_menu()
*/
function node_add($node_type) {
global $user;
$type = $node_type->type;
$node = entity_create('node', array(
'uid' => $user->uid,
'name' => (isset($user->name) ? $user->name : ''),
'type' => $type,
'langcode' => node_type_get_default_langcode($type)
));
drupal_set_title(t('Create @name', array('@name' => $node_type->name)), PASS_THROUGH);
$output = entity_get_form($node);
return $output;
}
/**
* Generates a node preview.
*
* @param Drupal\node\Node $node
* The node to preview.
*
* @return
* Themed node preview.
*
* @see node_form_build_preview()
*/
function node_preview(Node $node) {
if (node_access('create', $node) || node_access('update', $node)) {
_field_invoke_multiple('load', 'node', array($node->nid => $node));
// Load the user's name when needed.
if (isset($node->name)) {
// The use of isset() is mandatory in the context of user IDs, because
// user ID 0 denotes the anonymous user.
if ($user = user_load_by_name($node->name)) {
$node->uid = $user->uid;
$node->picture = $user->picture;
}
else {
$node->uid = 0; // anonymous user
}
}
elseif ($node->uid) {
$user = user_load($node->uid);
$node->name = $user->name;
$node->picture = $user->picture;
}
$node->changed = REQUEST_TIME;
$nodes = array($node->nid => $node);
field_attach_prepare_view('node', $nodes, 'full');
// Display a preview of the node.
if (!form_get_errors()) {
$node->in_preview = TRUE;
$output = theme('node_preview', array('node' => $node));
unset($node->in_preview);
}
return $output;
}
}
/**
* Returns HTML for a node preview for display during node creation and editing.
*
* @param $variables
* An associative array containing:
* - node: The node entity which is being previewed.
*
* @see NodeFormController::preview()
* @ingroup themeable
*/
function theme_node_preview($variables) {
$node = $variables['node'];
$output = '';
$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 "&lt;!--break--&gt;" (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;
}
return $output;
}
/**
* Page callback: Form constructor for node deletion confirmation form.
*
* @see node_menu()
*/
function node_delete_confirm($form, &$form_state, $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->label())),
'node/' . $node->nid,
t('This action cannot be undone.'),
t('Delete'),
t('Cancel')
);
}
/**
* Form submission handler for node_delete_confirm().
*/
function node_delete_confirm_submit($form, &$form_state) {
if ($form_state['values']['confirm']) {
$node = node_load($form_state['values']['nid']);
node_delete($form_state['values']['nid']);
watchdog('content', '@type: deleted %title.', array('@type' => $node->type, '%title' => $node->label()));
drupal_set_message(t('@type %title has been deleted.', array('@type' => node_get_type_label($node), '%title' => $node->label())));
}
$form_state['redirect'] = '<front>';
}
/**
* Page callback: Generates an overview table of older revisions of a node.
*
* @see node_menu()
*/
function node_revision_overview($node) {
drupal_set_title(t('Revisions for %title', array('%title' => $node->label())), 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,
'#attached' => array (
'css' => array(drupal_get_path('module', 'node') . '/node.admin.css'),
),
);
return $build;
}
/**
* Page callback: Form constructor for the reversion confirmation form.
*
* This form prevents against CSRF attacks.
*
* @see node_menu()
* @see node_revision_revert_confirm_submit()
*/
function node_revision_revert_confirm($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;
// Make this the new default revision for the node.
$node_revision->isDefaultRevision = TRUE;
// The revision timestamp will be updated when the revision is saved. Keep the
// original one for the confirmation message.
$original_revision_timestamp = $node_revision->revision_timestamp;
$node_revision->log = t('Copy of the revision from %date.', array('%date' => format_date($original_revision_timestamp)));
$node_revision->save();
watchdog('content', '@type: reverted %title revision %revision.', array('@type' => $node_revision->type, '%title' => $node_revision->label(), '%revision' => $node_revision->vid));
drupal_set_message(t('@type %title has been reverted back to the revision from %revision-date.', array('@type' => node_get_type_label($node_revision), '%title' => $node_revision->label(), '%revision-date' => format_date($original_revision_timestamp))));
$form_state['redirect'] = 'node/' . $node_revision->nid . '/revisions';
}
/**
* Page callback: Form constructor for the revision deletion confirmation form.
*
* This form prevents against CSRF attacks.
*
* @see node_menu()
* @see node_revision_delete_confirm_submit()
*/
function node_revision_delete_confirm($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->label(), '%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_type_label($node_revision), '%title' => $node_revision->label())));
$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';
}
}