', '', $node->body);
// The 'view' hook can be implemented to overwrite the default function
// to display nodes.
if (node_hook($node, 'view')) {
$node = node_invoke($node, 'view', $teaser, $page);
}
else {
$node = node_prepare($node, $teaser);
}
// Allow modules to make their own additions to the node.
node_invoke_nodeapi($node, 'view', $teaser, $page);
return $node;
}
/**
* Generate a page displaying a single node, along with its comments.
*/
function node_show($node, $cid) {
$output = node_view($node, FALSE, TRUE);
if (function_exists('comment_render') && $node->comment) {
$output .= comment_render($node, $cid);
}
// Update the history table, stating that this user viewed this node.
node_tag_new($node->nid);
return $output;
}
/**
* Implementation of hook_perm().
*/
function node_perm() {
$perms = array('administer content types', 'administer nodes', 'access content', 'view revisions', 'revert revisions');
foreach (node_get_types() as $type) {
if ($type->module == 'node') {
$name = check_plain($type->type);
$perms[] = 'create '. $name .' content';
$perms[] = 'edit own '. $name .' content';
$perms[] = 'edit '. $name .' content';
}
}
return $perms;
}
/**
* Implementation of hook_search().
*/
function node_search($op = 'search', $keys = NULL) {
switch ($op) {
case 'name':
return t('Content');
case 'reset':
variable_del('node_cron_last');
variable_del('node_cron_last_nid');
return;
case 'status':
$last = variable_get('node_cron_last', 0);
$last_nid = variable_get('node_cron_last_nid', 0);
$total = db_result(db_query('SELECT COUNT(*) FROM {node} WHERE status = 1'));
$remaining = db_result(db_query('SELECT COUNT(*) FROM {node} n LEFT JOIN {node_comment_statistics} c ON n.nid = c.nid WHERE n.status = 1 AND ((GREATEST(n.created, n.changed, c.last_comment_timestamp) = %d AND n.nid > %d ) OR (n.created > %d OR n.changed > %d OR c.last_comment_timestamp > %d))', $last, $last_nid, $last, $last, $last));
return array('remaining' => $remaining, 'total' => $total);
case 'admin':
$form = array();
// Output form for defining rank factor weights.
$form['content_ranking'] = array('#type' => 'fieldset', '#title' => t('Content ranking'));
$form['content_ranking']['#theme'] = 'node_search_admin';
$form['content_ranking']['info'] = array('#value' => ''. t('The following numbers control which properties the content search should favor when ordering the results. Higher numbers mean more influence, zero means the property is ignored. Changing these numbers does not require the search index to be rebuilt. Changes take effect immediately.') .'');
$ranking = array('node_rank_relevance' => t('Keyword relevance'),
'node_rank_recent' => t('Recently posted'));
if (module_exists('comment')) {
$ranking['node_rank_comments'] = t('Number of comments');
}
if (module_exists('statistics') && variable_get('statistics_count_content_views', 0)) {
$ranking['node_rank_views'] = t('Number of views');
}
// Note: reversed to reflect that higher number = higher ranking.
$options = drupal_map_assoc(range(0, 10));
foreach ($ranking as $var => $title) {
$form['content_ranking']['factors'][$var] = array('#title' => $title, '#type' => 'select', '#options' => $options, '#default_value' => variable_get($var, 5));
}
return $form;
case 'search':
// Build matching conditions
list($join1, $where1) = _db_rewrite_sql();
$arguments1 = array();
$conditions1 = 'n.status = 1';
if ($type = search_query_extract($keys, 'type')) {
$types = array();
foreach (explode(',', $type) as $t) {
$types[] = "n.type = '%s'";
$arguments1[] = $t;
}
$conditions1 .= ' AND ('. implode(' OR ', $types) .')';
$keys = search_query_insert($keys, 'type');
}
if ($category = search_query_extract($keys, 'category')) {
$categories = array();
foreach (explode(',', $category) as $c) {
$categories[] = "tn.tid = %d";
$arguments1[] = $c;
}
$conditions1 .= ' AND ('. implode(' OR ', $categories) .')';
$join1 .= ' INNER JOIN {term_node} tn ON n.nid = tn.nid';
$keys = search_query_insert($keys, 'category');
}
// Build ranking expression (we try to map each parameter to a
// uniform distribution in the range 0..1).
$ranking = array();
$arguments2 = array();
$join2 = '';
// Used to avoid joining on node_comment_statistics twice
$stats_join = FALSE;
$total = 0;
if ($weight = (int)variable_get('node_rank_relevance', 5)) {
// Average relevance values hover around 0.15
$ranking[] = '%d * i.relevance';
$arguments2[] = $weight;
$total += $weight;
}
if ($weight = (int)variable_get('node_rank_recent', 5)) {
// Exponential decay with half-life of 6 months, starting at last indexed node
$ranking[] = '%d * POW(2, (GREATEST(n.created, n.changed, c.last_comment_timestamp) - %d) * 6.43e-8)';
$arguments2[] = $weight;
$arguments2[] = (int)variable_get('node_cron_last', 0);
$join2 .= ' INNER JOIN {node} n ON n.nid = i.sid LEFT JOIN {node_comment_statistics} c ON c.nid = i.sid';
$stats_join = TRUE;
$total += $weight;
}
if (module_exists('comment') && $weight = (int)variable_get('node_rank_comments', 5)) {
// Inverse law that maps the highest reply count on the site to 1 and 0 to 0.
$scale = variable_get('node_cron_comments_scale', 0.0);
$ranking[] = '%d * (2.0 - 2.0 / (1.0 + c.comment_count * %f))';
$arguments2[] = $weight;
$arguments2[] = $scale;
if (!$stats_join) {
$join2 .= ' LEFT JOIN {node_comment_statistics} c ON c.nid = i.sid';
}
$total += $weight;
}
if (module_exists('statistics') && variable_get('statistics_count_content_views', 0) &&
$weight = (int)variable_get('node_rank_views', 5)) {
// Inverse law that maps the highest view count on the site to 1 and 0 to 0.
$scale = variable_get('node_cron_views_scale', 0.0);
$ranking[] = '%d * (2.0 - 2.0 / (1.0 + nc.totalcount * %f))';
$arguments2[] = $weight;
$arguments2[] = $scale;
$join2 .= ' LEFT JOIN {node_counter} nc ON nc.nid = i.sid';
$total += $weight;
}
$select2 = (count($ranking) ? implode(' + ', $ranking) : 'i.relevance') . ' AS score';
// Do search
$find = do_search($keys, 'node', 'INNER JOIN {node} n ON n.nid = i.sid '. $join1 .' INNER JOIN {users} u ON n.uid = u.uid', $conditions1 . (empty($where1) ? '' : ' AND '. $where1), $arguments1, $select2, $join2, $arguments2);
// Load results
$results = array();
foreach ($find as $item) {
// Build the node body.
$node = node_load($item->sid);
$node = node_build_content($node, FALSE, FALSE);
$node->body = drupal_render($node->content);
// Fetch comments for snippet
$node->body .= module_invoke('comment', 'nodeapi', $node, 'update index');
// Fetch terms for snippet
$node->body .= module_invoke('taxonomy', 'nodeapi', $node, 'update index');
$extra = node_invoke_nodeapi($node, 'search result');
$results[] = array('link' => url('node/'. $item->sid, NULL, NULL, TRUE),
'type' => node_get_types('name', $node),
'title' => $node->title,
'user' => theme('username', $node),
'date' => $node->changed,
'node' => $node,
'extra' => $extra,
'score' => $item->score / $total,
'snippet' => search_excerpt($keys, $node->body));
}
return $results;
}
}
/**
* Implementation of hook_user().
*/
function node_user($op, &$edit, &$user) {
if ($op == 'delete') {
db_query('UPDATE {node} SET uid = 0 WHERE uid = %d', $user->uid);
db_query('UPDATE {node_revisions} SET uid = 0 WHERE uid = %d', $user->uid);
}
}
function theme_node_search_admin($form) {
$output = drupal_render($form['info']);
$header = array(t('Factor'), t('Weight'));
foreach (element_children($form['factors']) as $key) {
$row = array();
$row[] = $form['factors'][$key]['#title'];
unset($form['factors'][$key]['#title']);
$row[] = drupal_render($form['factors'][$key]);
$rows[] = $row;
}
$output .= theme('table', $header, $rows);
$output .= drupal_render($form);
return $output;
}
/**
* Menu callback; presents general node configuration options.
*/
function node_configure() {
// Only show rebuild button if there is 0 or more than 2 rows in node_access table, or if there are modules that implement node_grant.
if (db_result(db_query('SELECT COUNT(*) FROM {node_access}')) != 1 || count(module_implements('node_grant'))) {
$status = ''. t('If the site is experiencing problems with permissions to content, you may have to rebuild the permissions cache. Possible causes for permission problems are disabling modules or configuration changes to permissions. Rebuilding will remove all privileges to posts, and replace them with permissions based on the current modules and settings.') .'
';
$status .= ''. t('Rebuilding may take some time if there is a lot of a content or complex permission settings. After rebuilding has completed posts will automatically use the new permissions.'). '
';
$form['access'] = array('#type' => 'fieldset', '#title' => t('Node access status'));
$form['access']['status'] = array('#value' => $status);
$form['access']['rebuild'] = array('#type' => 'submit', '#value' => t('Rebuild permissions'));
}
$form['default_nodes_main'] = array(
'#type' => 'select', '#title' => t('Number of posts on main page'), '#default_value' => variable_get('default_nodes_main', 10),
'#options' => drupal_map_assoc(array(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 15, 20, 25, 30)),
'#description' => t('The default maximum number of posts to display per page on overview pages such as the main page.')
);
$form['teaser_length'] = array(
'#type' => 'select', '#title' => t('Length of trimmed posts'), '#default_value' => variable_get('teaser_length', 600),
'#options' => array(0 => t('Unlimited'), 200 => t('200 characters'), 400 => t('400 characters'), 600 => t('600 characters'),
800 => t('800 characters'), 1000 => t('1000 characters'), 1200 => t('1200 characters'), 1400 => t('1400 characters'),
1600 => t('1600 characters'), 1800 => t('1800 characters'), 2000 => t('2000 characters')),
'#description' => t("The maximum number of characters used in the trimmed version of a post. Drupal will use this setting to determine at which offset long posts should be trimmed. The trimmed version of a post is typically used as a teaser when displaying the post on the main page, in XML feeds, etc. To disable teasers, set to 'Unlimited'. Note that this setting will only affect new or updated content and will not affect existing teasers.")
);
$form['node_preview'] = array(
'#type' => 'radios', '#title' => t('Preview post'), '#default_value' => variable_get('node_preview', 0),
'#options' => array(t('Optional'), t('Required')), '#description' => t('Must users preview posts before submitting?')
);
return system_settings_form($form);
}
/**
* Form validate callback.
*/
function node_configure_validate($form_id, $form_values) {
if ($form_values['op'] == t('Rebuild permissions')) {
drupal_goto('admin/content/node-settings/rebuild');
}
}
/**
* Menu callback: confirm rebuilding of permissions.
*/
function node_configure_rebuild_confirm() {
return confirm_form(array(), t('Are you sure you want to rebuild node permissions on the site?'),
'admin/content/node-settings', t('This will wipe all current node permissions and rebuild them based on current settings. Rebuilding the permissions may take a while so please be patient. This action cannot be undone.'), t('Rebuild permissions'), t('Cancel'));
}
/**
* Handler for wipe confirmation
*/
function node_configure_rebuild_confirm_submit($form_id, &$form) {
node_access_rebuild();
drupal_set_message(t('The node access table has been rebuilt.'));
return 'admin/content/node-settings';
}
/**
* Retrieve the comment mode for the given node ID (none, read, or read/write).
*/
function node_comment_mode($nid) {
static $comment_mode;
if (!isset($comment_mode[$nid])) {
$comment_mode[$nid] = db_result(db_query('SELECT comment FROM {node} WHERE nid = %d', $nid));
}
return $comment_mode[$nid];
}
/**
* Implementation of hook_link().
*/
function node_link($type, $node = NULL, $teaser = FALSE) {
$links = array();
if ($type == 'node') {
if ($teaser == 1 && $node->teaser && $node->readmore) {
$links['node_read_more'] = array(
'title' => t('Read more'),
'href' => "node/$node->nid",
'attributes' => array('title' => t('Read the rest of this posting.'))
);
}
}
return $links;
}
/**
* Implementation of hook_menu().
*/
function node_menu($may_cache) {
$items = array();
if ($may_cache) {
$items[] = array('path' => 'admin/content',
'title' => t('Content management'),
'description' => t("Manage your site's content."),
'position' => 'left',
'weight' => -10,
'callback' => 'system_admin_menu_block_page',
'access' => user_access('administer site configuration'),
);
$items[] = array(
'path' => 'admin/content/node',
'title' => t('Content'),
'description' => t("View, edit, and delete your site's content."),
'callback' => 'node_admin_content',
'access' => user_access('administer nodes')
);
$items[] = array('path' => 'admin/content/node/overview', 'title' => t('List'),
'type' => MENU_DEFAULT_LOCAL_TASK, 'weight' => -10);
if (module_exists('search')) {
$items[] = array('path' => 'admin/content/search', 'title' => t('Search content'),
'description' => t('Search content by keyword.'),
'callback' => 'node_admin_search',
'access' => user_access('administer nodes'),
'type' => MENU_NORMAL_ITEM);
}
$items[] = array(
'path' => 'admin/content/node-settings',
'title' => t('Post settings'),
'description' => t('Control posting behavior, such as teaser length, requiring previews before posting, and the number of posts on the front page.'),
'callback' => 'drupal_get_form',
'callback arguments' => array('node_configure'),
'access' => user_access('administer nodes')
);
$items[] = array(
'path' => 'admin/content/node-settings/rebuild',
'title' => t('rebuild permissions'),
'callback' => 'drupal_get_form',
'callback arguments' => array('node_configure_rebuild_confirm'),
'access' => user_access('administer nodes'),
'type' => MENU_CALLBACK);
$items[] = array(
'path' => 'admin/content/types',
'title' => t('Content types'),
'description' => t('Manage posts by content type, including default status, front page promotion, etc.'),
'callback' => 'node_overview_types',
'access' => user_access('administer content types'),
);
$items[] = array(
'path' => 'admin/content/types/list',
'title' => t('List'),
'type' => MENU_DEFAULT_LOCAL_TASK,
'weight' => -10,
);
$items[] = array(
'path' => 'admin/content/types/add',
'title' => t('Add content type'),
'callback' => 'drupal_get_form',
'callback arguments' => array('node_type_form'),
'type' => MENU_LOCAL_TASK,
);
$items[] = array('path' => 'node',
'title' => t('Content'),
'callback' => 'node_page_default',
'access' => user_access('access content'),
'type' => MENU_MODIFIABLE_BY_ADMIN);
$items[] = array('path' => 'node/add',
'title' => t('Create content'),
'callback' => 'node_add',
'access' => user_access('access content'),
'type' => MENU_ITEM_GROUPING,
'weight' => 1);
$items[] = array('path' => 'rss.xml', 'title' => t('RSS feed'),
'callback' => 'node_feed',
'access' => user_access('access content'),
'type' => MENU_CALLBACK);
foreach (node_get_types() as $type) {
if (function_exists($type->module .'_form')) {
$name = check_plain($type->name);
$type_url_str = str_replace('_', '-', $type->type);
$items[] = array(
'path' => 'node/add/'. $type_url_str,
'title' => drupal_ucfirst(t($name)),
'access' => node_access('create', $type->type),
);
}
}
}
else {
// Add the CSS for this module
// We put this in !$may_cache so it's only added once per request
drupal_add_css(drupal_get_path('module', 'node') .'/node.css');
if (arg(0) == 'node' && is_numeric(arg(1))) {
$node = node_load(arg(1));
if ($node->nid) {
$items[] = array('path' => 'node/'. arg(1), 'title' => t('View'),
'callback' => 'node_page_view',
'callback arguments' => array($node),
'access' => node_access('view', $node),
'type' => MENU_CALLBACK);
$items[] = array('path' => 'node/'. arg(1) .'/view', 'title' => t('View'),
'type' => MENU_DEFAULT_LOCAL_TASK,
'weight' => -10);
$items[] = array('path' => 'node/'. arg(1) .'/edit', 'title' => t('Edit'),
'callback' => 'node_page_edit',
'callback arguments' => array($node),
'access' => node_access('update', $node),
'weight' => 1,
'type' => MENU_LOCAL_TASK);
$items[] = array('path' => 'node/'. arg(1) .'/delete', 'title' => t('Delete'),
'callback' => 'drupal_get_form',
'callback arguments' => array('node_delete_confirm', $node),
'access' => node_access('delete', $node),
'weight' => 1,
'type' => MENU_CALLBACK);
$revisions_access = ((user_access('view revisions') || user_access('administer nodes')) && node_access('view', $node) && db_result(db_query('SELECT COUNT(vid) FROM {node_revisions} WHERE nid = %d', arg(1))) > 1);
$items[] = array('path' => 'node/'. arg(1) .'/revisions', 'title' => t('Revisions'),
'callback' => 'node_revisions',
'access' => $revisions_access,
'weight' => 2,
'type' => MENU_LOCAL_TASK);
}
}
// Content type configuration.
if (arg(0) == 'admin' && arg(1) == 'content' && arg(2) == 'types') {
include_once './'. drupal_get_path('module', 'node') .'/content_types.inc';
if (arg(3) != NULL) {
$type_name = arg(3);
$type_name = !empty($type_name) ? str_replace('-', '_', $type_name) : NULL;
$type = node_get_types('type', $type_name);
if (!empty($type)) {
$type->name = check_plain($type->name);
$type_url_str = str_replace('_', '-', $type->type);
$items[] = array(
'path' => 'admin/content/types/'. $type_url_str,
'title' => t($type->name),
'callback' => 'drupal_get_form',
'callback arguments' => array('node_type_form', $type),
'type' => MENU_CALLBACK,
);
$items[] = array(
'path' => 'admin/content/types/'. $type_url_str .'/delete',
'title' => t('Delete'),
'callback' => 'drupal_get_form',
'callback arguments' => array('node_type_delete_confirm', $type),
'type' => MENU_CALLBACK,
);
}
}
}
}
return $items;
}
function node_last_changed($nid) {
$node = db_fetch_object(db_query('SELECT changed FROM {node} WHERE nid = %d', $nid));
return ($node->changed);
}
/**
* Implementation of hook_node_operations().
*/
function node_node_operations() {
$operations = array(
'publish' => array(
'label' => t('Publish'),
'callback' => 'node_operations_publish',
),
'unpublish' => array(
'label' => t('Unpublish'),
'callback' => 'node_operations_unpublish',
),
'promote' => array(
'label' => t('Promote to front page'),
'callback' => 'node_operations_promote',
),
'demote' => array(
'label' => t('Demote from front page'),
'callback' => 'node_operations_demote',
),
'sticky' => array(
'label' => t('Make sticky'),
'callback' => 'node_operations_sticky',
),
'unsticky' => array(
'label' => t('Remove stickiness'),
'callback' => 'node_operations_unsticky',
),
'delete' => array(
'label' => t('Delete'),
),
);
return $operations;
}
/**
* Callback function for admin mass publishing nodes.
*/
function node_operations_publish($nodes) {
db_query('UPDATE {node} SET status = 1 WHERE nid IN(%s)', implode(',', $nodes));
}
/**
* Callback function for admin mass unpublishing nodes.
*/
function node_operations_unpublish($nodes) {
db_query('UPDATE {node} SET status = 0 WHERE nid IN(%s)', implode(',', $nodes));
}
/**
* Callback function for admin mass promoting nodes.
*/
function node_operations_promote($nodes) {
db_query('UPDATE {node} SET status = 1, promote = 1 WHERE nid IN(%s)', implode(',', $nodes));
}
/**
* Callback function for admin mass demoting nodes.
*/
function node_operations_demote($nodes) {
db_query('UPDATE {node} SET promote = 0 WHERE nid IN(%s)', implode(',', $nodes));
}
/**
* Callback function for admin mass editing nodes to be sticky.
*/
function node_operations_sticky($nodes) {
db_query('UPDATE {node} SET status = 1, sticky = 1 WHERE nid IN(%s)', implode(',', $nodes));
}
/**
* Callback function for admin mass editing nodes to remove stickiness.
*/
function node_operations_unsticky($nodes) {
db_query('UPDATE {node} SET sticky = 0 WHERE nid IN(%s)', implode(',', $nodes));
}
/**
* List node administration filters that can be applied.
*/
function node_filters() {
// Regular filters
$filters['status'] = array('title' => t('status'),
'options' => array('status-1' => t('published'), 'status-0' => t('not published'),
'promote-1' => t('promoted'), 'promote-0' => t('not promoted'),
'sticky-1' => t('sticky'), 'sticky-0' => t('not sticky')));
$filters['type'] = array('title' => t('type'), 'options' => node_get_types('names'));
// The taxonomy filter
if ($taxonomy = module_invoke('taxonomy', 'form_all', 1)) {
$filters['category'] = array('title' => t('category'), 'options' => $taxonomy);
}
return $filters;
}
/**
* Build query for node administration filters based on session.
*/
function node_build_filter_query() {
$filters = node_filters();
// Build query
$where = $args = array();
$join = '';
foreach ($_SESSION['node_overview_filter'] as $index => $filter) {
list($key, $value) = $filter;
switch($key) {
case 'status':
// Note: no exploitable hole as $key/$value have already been checked when submitted
list($key, $value) = explode('-', $value, 2);
$where[] = 'n.'. $key .' = %d';
break;
case 'category':
$table = "tn$index";
$where[] = "$table.tid = %d";
$join .= "INNER JOIN {term_node} $table ON n.nid = $table.nid ";
break;
case 'type':
$where[] = "n.type = '%s'";
}
$args[] = $value;
}
$where = count($where) ? 'WHERE '. implode(' AND ', $where) : '';
return array('where' => $where, 'join' => $join, 'args' => $args);
}
/**
* Return form for node administration filters.
*/
function node_filter_form() {
$session = &$_SESSION['node_overview_filter'];
$session = is_array($session) ? $session : array();
$filters = node_filters();
$i = 0;
$form['filters'] = array('#type' => 'fieldset',
'#title' => t('Show only items where'),
'#theme' => 'node_filters',
);
foreach ($session as $filter) {
list($type, $value) = $filter;
if ($type == 'category') {
// Load term name from DB rather than search and parse options array.
$value = module_invoke('taxonomy', 'get_term', $value);
$value = $value->name;
}
else if ($type == 'type') {
// Remove the type option if it is already being filtered on.
unset($filters['type']);
}
else {
$value = $filters[$type]['options'][$value];
}
$string = ($i++ ? 'and where %a is %b' : '%a is %b');
$form['filters']['current'][] = array('#value' => t($string, array('%a' => $filters[$type]['title'] , '%b' => $value)));
}
foreach ($filters as $key => $filter) {
$names[$key] = $filter['title'];
$form['filters']['status'][$key] = array('#type' => 'select', '#options' => $filter['options']);
}
$form['filters']['filter'] = array('#type' => 'radios', '#options' => $names, '#default_value' => 'status');
$form['filters']['buttons']['submit'] = array('#type' => 'submit', '#value' => (count($session) ? t('Refine') : t('Filter')));
if (count($session)) {
$form['filters']['buttons']['undo'] = array('#type' => 'submit', '#value' => t('Undo'));
$form['filters']['buttons']['reset'] = array('#type' => 'submit', '#value' => t('Reset'));
}
return $form;
}
/**
* Theme node administration filter form.
*/
function theme_node_filter_form($form) {
$output .= '';
$output .= drupal_render($form['filters']);
$output .= '
';
$output .= drupal_render($form);
return $output;
}
/**
* Theme node administration filter selector.
*/
function theme_node_filters($form) {
$output .= '';
return $output;
}
/**
* Process result from node administration filter form.
*/
function node_filter_form_submit($form_id, $form_values) {
$filters = node_filters();
switch ($form_values['op']) {
case t('Filter'):
case t('Refine'):
if (isset($form_values['filter'])) {
$filter = $form_values['filter'];
// Flatten the options array to accommodate hierarchical/nested options.
$flat_options = form_options_flatten($filters[$filter]['options']);
if (isset($flat_options[$form_values[$filter]])) {
$_SESSION['node_overview_filter'][] = array($filter, $form_values[$filter]);
}
}
break;
case t('Undo'):
array_pop($_SESSION['node_overview_filter']);
break;
case t('Reset'):
$_SESSION['node_overview_filter'] = array();
break;
}
}
/**
* Submit the node administration update form.
*/
function node_admin_nodes_submit($form_id, $form_values) {
$operations = module_invoke_all('node_operations');
$operation = $operations[$form_values['operation']];
// Filter out unchecked nodes
$nodes = array_filter($form_values['nodes']);
if ($function = $operation['callback']) {
// Add in callback arguments if present.
if (isset($operation['callback arguments'])) {
$args = array_merge(array($nodes), $operation['callback arguments']);
}
else {
$args = array($nodes);
}
call_user_func_array($function, $args);
cache_clear_all();
drupal_set_message(t('The update has been performed.'));
}
}
function node_admin_nodes_validate($form_id, $form_values) {
$nodes = array_filter($form_values['nodes']);
if (count($nodes) == 0) {
form_set_error('', t('No items selected.'));
}
}
/**
* Menu callback: content administration.
*/
function node_admin_content() {
$output = drupal_get_form('node_filter_form');
if ($_POST['operation'] == 'delete' && $_POST['nodes']) {
return drupal_get_form('node_multiple_delete_confirm');
}
// Call the form first, to allow for the form_values array to be populated.
$output .= drupal_get_form('node_admin_nodes');
return $output;
}
function node_admin_nodes() {
global $form_values;
$filter = node_build_filter_query();
$result = pager_query('SELECT n.*, u.name, u.uid FROM {node} n '. $filter['join'] .' INNER JOIN {users} u ON n.uid = u.uid '. $filter['where'] .' ORDER BY n.changed DESC', 50, 0, NULL, $filter['args']);
$form['options'] = array('#type' => 'fieldset',
'#title' => t('Update options'),
'#prefix' => '',
'#suffix' => '
',
);
$options = array();
foreach (module_invoke_all('node_operations') as $operation => $array) {
$options[$operation] = $array['label'];
}
$form['options']['operation'] = array('#type' => 'select', '#options' => $options, '#default_value' => 'approve');
$form['options']['submit'] = array('#type' => 'submit', '#value' => t('Update'));
$destination = drupal_get_destination();
while ($node = db_fetch_object($result)) {
$nodes[$node->nid] = '';
$form['title'][$node->nid] = array('#value' => l($node->title, 'node/'. $node->nid) .' '. theme('mark', node_mark($node->nid, $node->changed)));
$form['name'][$node->nid] = array('#value' => node_get_types('name', $node));
$form['username'][$node->nid] = array('#value' => theme('username', $node));
$form['status'][$node->nid] = array('#value' => ($node->status ? t('published') : t('not published')));
$form['operations'][$node->nid] = array('#value' => l(t('edit'), 'node/'. $node->nid .'/edit', array(), $destination));
}
$form['nodes'] = array('#type' => 'checkboxes', '#options' => $nodes);
$form['pager'] = array('#value' => theme('pager', NULL, 50, 0));
return $form;
}
/**
* Theme node administration overview.
*/
function theme_node_admin_nodes($form) {
// Overview table:
$header = array(theme('table_select_header_cell'), t('Title'), t('Type'), t('Author'), t('Status'), t('Operations'));
$output .= drupal_render($form['options']);
if (isset($form['title']) && is_array($form['title'])) {
foreach (element_children($form['title']) as $key) {
$row = array();
$row[] = drupal_render($form['nodes'][$key]);
$row[] = drupal_render($form['title'][$key]);
$row[] = drupal_render($form['name'][$key]);
$row[] = drupal_render($form['username'][$key]);
$row[] = drupal_render($form['status'][$key]);
$row[] = drupal_render($form['operations'][$key]);
$rows[] = $row;
}
}
else {
$rows[] = array(array('data' => t('No posts available.'), 'colspan' => '6'));
}
$output .= theme('table', $header, $rows);
if ($form['pager']['#value']) {
$output .= drupal_render($form['pager']);
}
$output .= drupal_render($form);
return $output;
}
function node_multiple_delete_confirm() {
$edit = $_POST;
$form['nodes'] = array('#prefix' => '', '#tree' => TRUE);
// array_filter returns only elements with TRUE values
foreach (array_filter($edit['nodes']) as $nid => $value) {
$title = db_result(db_query('SELECT title FROM {node} WHERE nid = %d', $nid));
$form['nodes'][$nid] = array('#type' => 'hidden', '#value' => $nid, '#prefix' => '', '#suffix' => check_plain($title) ."\n");
}
$form['operation'] = array('#type' => 'hidden', '#value' => 'delete');
return confirm_form($form,
t('Are you sure you want to delete these items?'),
'admin/content/node', t('This action cannot be undone.'),
t('Delete all'), t('Cancel'));
}
function node_multiple_delete_confirm_submit($form_id, $form_values) {
if ($form_values['confirm']) {
foreach ($form_values['nodes'] as $nid => $value) {
node_delete($nid);
}
drupal_set_message(t('The items have been deleted.'));
}
return 'admin/content/node';
}
/**
* 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('administer nodes')) {
$delete_permission = TRUE;
}
foreach ($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 != '') ? ''. filter_xss($revision->log) .'
' : ''),
'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 != '') ? ''. filter_xss($revision->log) .'
' : '');
if ($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);
}
$output .= theme('table', $header, $rows);
return $output;
}
/**
* Revert to the revision with the specified revision number. A node and nodeapi "update" event is triggered
* (via the node_save() call) when a revision is reverted.
*/
function node_revision_revert($nid, $revision) {
global $user;
$node = node_load($nid, $revision);
if ((user_access('revert revisions') || user_access('administer nodes')) && node_access('update', $node)) {
if ($node->vid) {
$node->revision = 1;
$node->log = t('Copy of the revision from %date.', array('%date' => format_date($node->revision_timestamp)));
if (module_exists('taxonomy')) {
$node->taxonomy = array_keys($node->taxonomy);
}
node_save($node);
drupal_set_message(t('%title has been reverted back to the revision from %revision-date', array('%revision-date' => format_date($node->revision_timestamp), '%title' => $node->title)));
watchdog('content', t('@type: reverted %title revision %revision.', array('@type' => t($node->type), '%title' => $node->title, '%revision' => $revision)));
}
else {
drupal_set_message(t('You tried to revert to an invalid revision.'), 'error');
}
drupal_goto('node/'. $nid .'/revisions');
}
drupal_access_denied();
}
/**
* Delete the revision with specified revision number. A "delete revision" nodeapi event is invoked when a
* revision is deleted.
*/
function node_revision_delete($nid, $revision) {
if (user_access('administer nodes')) {
$node = node_load($nid);
if (node_access('delete', $node)) {
// Don't delete the current revision
if ($revision != $node->vid) {
$node = node_load($nid, $revision);
db_query("DELETE FROM {node_revisions} WHERE nid = %d AND vid = %d", $nid, $revision);
node_invoke_nodeapi($node, 'delete revision');
drupal_set_message(t('Deleted %title revision %revision.', array('%title' => $node->title, '%revision' => $revision)));
watchdog('content', t('@type: deleted %title revision %revision.', array('@type' => t($node->type), '%title' => $node->title, '%revision' => $revision)));
}
else {
drupal_set_message(t('Deletion failed. You tried to delete the current revision.'));
}
if (db_result(db_query('SELECT COUNT(vid) FROM {node_revisions} WHERE nid = %d', $nid)) > 1) {
drupal_goto("node/$nid/revisions");
}
else {
drupal_goto("node/$nid");
}
}
}
drupal_access_denied();
}
/**
* Return a list of all the existing revision numbers.
*/
function node_revision_list($node) {
$revisions = array();
$result = db_query('SELECT r.vid, r.title, r.log, r.uid, n.vid AS current_vid, r.timestamp, u.name FROM {node_revisions} r LEFT JOIN {node} n ON n.vid = r.vid INNER JOIN {users} u ON u.uid = r.uid WHERE r.nid = %d ORDER BY r.timestamp DESC', $node->nid);
while ($revision = db_fetch_object($result)) {
$revisions[] = $revision;
}
return $revisions;
}
function node_admin_search() {
return drupal_get_form('search_form', url('admin/content/search'), $_POST['keys'], 'node') . search_data($_POST['keys'], 'node');
}
/**
* Implementation of hook_block().
*/
function node_block($op = 'list', $delta = 0) {
if ($op == 'list') {
$blocks[0]['info'] = t('Syndicate');
return $blocks;
}
else if ($op == 'view') {
$block['subject'] = t('Syndicate');
$block['content'] = theme('feed_icon', url('rss.xml'));
return $block;
}
}
/**
* A generic function for generating RSS feeds from a set of nodes.
*
* @param $nodes
* An object as returned by db_query() which contains the nid field.
* @param $channel
* An associative array containing title, link, description and other keys.
* The link should be an absolute URL.
*/
function node_feed($nodes = 0, $channel = array()) {
global $base_url, $locale;
if (!$nodes) {
$nodes = db_query_range(db_rewrite_sql('SELECT n.nid, n.created FROM {node} n WHERE n.promote = 1 AND n.status = 1 ORDER BY n.created DESC'), 0, variable_get('feed_default_items', 10));
}
$item_length = variable_get('feed_item_length', 'teaser');
$namespaces = array('xmlns:dc="http://purl.org/dc/elements/1.1/"');
while ($node = db_fetch_object($nodes)) {
// Load the specified node:
$item = node_load($node->nid);
$link = url("node/$node->nid", NULL, NULL, 1);
if ($item_length != 'title') {
$teaser = ($item_length == 'teaser') ? TRUE : FALSE;
// Filter and prepare node teaser
if (node_hook($item, 'view')) {
node_invoke($item, 'view', $teaser, FALSE);
}
else {
$item = node_prepare($item, $teaser);
}
// Allow modules to change $node->teaser before viewing.
node_invoke_nodeapi($item, 'view', $teaser, FALSE);
}
// Allow modules to add additional item fields and/or modify $item
$extra = node_invoke_nodeapi($item, 'rss item');
$extra = array_merge($extra, array(array('key' => 'pubDate', 'value' => date('r', $item->created)), array('key' => 'dc:creator', 'value' => $item->name), array('key' => 'guid', 'value' => $item->nid . ' at ' . $base_url, 'attributes' => array('isPermaLink' => 'FALSE'))));
foreach ($extra as $element) {
if ($element['namespace']) {
$namespaces = array_merge($namespaces, $element['namespace']);
}
}
// Prepare the item description
switch ($item_length) {
case 'fulltext':
$item_text = $item->body;
break;
case 'teaser':
$item_text = $item->teaser;
if ($item->readmore) {
$item_text .= ''. l(t('read more'), 'node/'. $item->nid, NULL, NULL, NULL, TRUE) .'
';
}
break;
case 'title':
$item_text = '';
break;
}
$items .= format_rss_item($item->title, $link, $item_text, $extra);
}
$channel_defaults = array(
'version' => '2.0',
'title' => variable_get('site_name', 'Drupal') .' - '. variable_get('site_slogan', ''),
'link' => $base_url,
'description' => variable_get('site_mission', ''),
'language' => $locale
);
$channel = array_merge($channel_defaults, $channel);
$output = "\n";
$output .= "\n";
$output .= format_rss_channel($channel['title'], $channel['link'], $channel['description'], $items, $channel['language']);
$output .= "\n";
drupal_set_header('Content-Type: application/rss+xml; charset=utf-8');
print $output;
}
/**
* Prepare node for save and allow modules to make changes.
*/
function node_submit($node) {
global $user;
// Convert the node to an object, if necessary.
$node = (object)$node;
// Auto-generate the teaser, but only if it hasn't been set (e.g. by a
// module-provided 'teaser' form item).
if (!isset($node->teaser)) {
$node->teaser = isset($node->body) ? node_teaser($node->body, isset($node->format) ? $node->format : NULL) : '';
}
$access = user_access('administer nodes');
if ($access) {
// Populate the "authored by" field.
if ($account = user_load(array('name' => $node->name))) {
$node->uid = $account->uid;
}
else {
$node->uid = 0;
}
$node->created = $node->date ? strtotime($node->date) : NULL;
}
// Force defaults in case people modify the form:
$node_options = variable_get('node_options_'. $node->type, array('status', 'promote'));
foreach (array('status', 'promote', 'sticky', 'revision') as $key) {
if (!$access || !isset($node->$key)) {
$node->$key = in_array($key, $node_options);
}
}
// Do node-type-specific validation checks.
node_invoke($node, 'submit');
node_invoke_nodeapi($node, 'submit');
$node->validated = TRUE;
return $node;
}
/**
* Perform validation checks on the given node.
*/
function node_validate($node, $form = array()) {
// Convert the node to an object, if necessary.
$node = (object)$node;
$type = node_get_types('type', $node);
// Make sure the body has the minimum number of words.
// todo use a better word counting algorithm that will work in other languages
if (isset($node->body) && count(explode(' ', $node->body)) < $type->min_word_count) {
form_set_error('body', t('The body of your @type is too short. You need at least %words words.', array('%words' => $type->min_word_count, '@type' => $type->name)));
}
if (isset($node->nid) && (node_last_changed($node->nid) > $node->changed)) {
form_set_error('changed', t('This content has been modified by another user, changes cannot be saved.'));
}
if (user_access('administer nodes')) {
// Validate the "authored by" field.
if (!empty($node->name) && !($account = user_load(array('name' => $node->name)))) {
// The use of empty() is mandatory in the context of usernames
// as the empty string denotes the anonymous user. In case we
// are dealing with an anonymous user we set the user ID to 0.
form_set_error('name', t('The username %name does not exist.', array('%name' => $node->name)));
}
// Validate the "authored on" field. As of PHP 5.1.0, strtotime returns FALSE instead of -1 upon failure.
if (!empty($node->date) && strtotime($node->date) <= 0) {
form_set_error('date', t('You have to specify a valid date.'));
}
}
// Do node-type-specific validation checks.
node_invoke($node, 'validate', $form);
node_invoke_nodeapi($node, 'validate', $form);
}
function node_form_validate($form_id, $form_values, $form) {
node_validate($form_values, $form);
}
function node_object_prepare(&$node) {
if (user_access('administer nodes')) {
// Set up default values, if required.
if (!isset($node->created)) {
$node->created = time();
}
if (!isset($node->date)) {
$node->date = format_date($node->created, 'custom', 'Y-m-d H:i:s O');
}
}
node_invoke($node, 'prepare');
node_invoke_nodeapi($node, 'prepare');
}
/**
* Generate the node add/edit form array.
*/
function node_form($node, $form_values = NULL) {
global $user;
$node = (object)$node;
node_object_prepare($node);
// 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') as $key) {
$form[$key] = array('#type' => 'value', '#value' => $node->$key);
}
// Changed must be sent to the client, for later overwrite error checking.
$form['changed'] = array('#type' => 'hidden', '#default_value' => $node->changed);
// Get the node-specific bits.
$form = array_merge_recursive($form, node_invoke($node, 'form', $form_values));
if (!isset($form['title']['#weight'])) {
$form['title']['#weight'] = -5;
}
$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', 'revision') as $key) {
$node->$key = in_array($key, $node_options);
}
global $user;
$node->uid = $user->uid;
}
else {
// Nodes being edited should always be preset with the default revision setting.
$node->revision = in_array('revision', $node_options);
}
$form['#node'] = $node;
// Add a log field if the "Create new revision" option is checked, or if the
// current user has the ability to check that option.
if ($node->revision || user_access('administer nodes')) {
$form['log'] = array(
'#type' => 'textarea',
'#title' => t('Log message'),
'#rows' => 2,
'#weight' => 20,
'#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' => $node->date)));
if (isset($node->nid)) {
$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);
$form['options']['revision'] = array('#type' => 'checkbox', '#title' => t('Create new revision'), '#default_value' => $node->revision);
// 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['preview'] = array('#type' => 'button', '#value' => t('Preview'), '#weight' => 40);
$form['submit'] = array('#type' => 'submit', '#value' => t('Submit'), '#weight' => 45);
if ($node->nid && node_access('delete', $node)) {
$form['delete'] = array('#type' => 'button', '#value' => t('Delete'), '#weight' => 50);
}
$form['#after_build'] = array('node_form_add_preview');
$form['#base'] = 'node_form';
return $form;
}
function node_form_add_preview($form) {
global $form_values;
$op = isset($form_values['op']) ? $form_values['op'] : '';
if ($op == $form_values['preview']) {
drupal_validate_form($form['form_id']['#value'], $form);
if (!form_get_errors()) {
// We pass the global $form_values here to preserve changes made during form validation
$form['#prefix'] = node_preview((object)$form_values);
}
}
if (variable_get('node_preview', 0) && (form_get_errors() || $op != t('Preview'))) {
unset($form['submit']);
}
return $form;
}
function theme_node_form($form) {
$output = "\n\n";
return $output;
}
/**
* Present a node submission form or a set of links to such forms.
*/
function node_add($type = NULL) {
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' => $user->name, 'type' => $type);
drupal_set_title(t('Submit @name', array('@name' => $types[$type]->name)));
$output = drupal_get_form($type .'_node_form', $node);
}
else {
// If no (valid) node type has been provided, display a node type overview.
foreach ($types as $type) {
if (function_exists($type->module .'_form') && node_access('create', $type->type)) {
$type_url_str = str_replace('_', '-', $type->type);
$title = t('Add a new @s.', array('@s' => $type->name));
$out = ''. l(drupal_ucfirst($type->name), "node/add/$type_url_str", array('title' => $title)) .'';
$out .= ''. filter_xss_admin($type->description) .'';
$item[$type->type] = $out;
}
}
if (isset($item)) {
uksort($item, 'strnatcasecmp');
$output = t('Choose the appropriate item from the list:') .''. implode('', $item) .'
';
}
else {
$output = t('No content types available.');
}
}
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;
}
else {
$node->uid = 0; // anonymous user
}
}
else if ($node->uid) {
$user = user_load(array('uid' => $node->uid));
$node->name = $user->name;
}
// Set the timestamps when needed:
if ($node->date) {
$node->created = strtotime($node->date);
}
$node->changed = time();
// Extract a teaser, if it hasn't been set (e.g. by a module-provided
// 'teaser' form item).
if (!isset($node->teaser)) {
$node->teaser = node_teaser($node->body, $node->format);
}
// 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->in_preview = TRUE;
$output = theme('node_preview', $cloned_node);
}
drupal_set_title(t('Preview'));
drupal_set_breadcrumb(array(l(t('Home'), NULL), l(t('Create content'), 'node/add'), l(t('Submit @name', array('@name' => node_get_types('name', $node))), 'node/add/'. $node->type)));
return $output;
}
}
/**
* Display a node preview for display during node creation and editing.
*
* @param $node
* The node object which is being previewed.
*/
function theme_node_preview($node) {
$output = '';
if ($node->teaser && $node->teaser != $node->body) {
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. You can insert the delimiter "<break>" (without the quotes) to fine-tune where your post gets split.'));
$output .= '
'. t('Preview trimmed version') .'
';
$output .= node_view(drupal_clone($node), 1, FALSE, 0);
$output .= ''. t('Preview full version') .'
';
$output .= node_view($node, 0, FALSE, 0);
}
else {
$output .= node_view($node, 0, FALSE, 0);
}
$output .= "\n";
return $output;
}
function theme_node_log_message($log) {
return ''. t('Log') .':
'. $log .'
Welcome to your new Drupal website!
Please follow these steps to set up and start using your website:
';
if (!$admin) {
$default_message .= '
-
Create your administrator account
To begin, create the first account. This account will have full administration rights and will allow you to configure your website.
';
}
$default_message .= '
-
Configure your website
Once logged in, visit the administration section, where you can customize and configure all aspects of your website.
-
Enable additional functionality
Next, visit the module list and enable features which suit your specific needs. You can find additional modules in the Drupal modules download section.
-
Customize your website design
To change the "look and feel" of your website, visit the themes section. You may choose from one of the included themes or download additional themes from the Drupal themes download section.
-
Start posting content
Finally, you can create content for your website. This message will disappear once you have published your first post.
For more information, please refer to the help section, or the online Drupal handbooks. You may also post at the Drupal forum, or view the wide range of other support options available.
';
$output = t($default_message, array('@drupal' => 'http://drupal.org/', '@register' => url('user/register'), '@admin' => url('admin'), '@config' => url('admin/settings'), '@modules' => url('admin/build/modules'), '@download_modules' => 'http://drupal.org/project/modules', '@themes' => url('admin/build/themes'), '@download_themes' => 'http://drupal.org/project/themes', '@content' => url('node/add'), '@help' => url('admin/help'), '@handbook' => 'http://drupal.org/handbooks', '@forum' => 'http://drupal.org/forum', '@support' => 'http://drupal.org/support'));
$output = ''. $output .'
';
}
drupal_set_title('');
return $output;
}
/**
* Menu callback; view a single node.
*/
function node_page_view($node, $cid = NULL) {
drupal_set_title(check_plain($node->title));
return node_show($node, $cid);
}
/**
* Menu callback; presents the node editing form, or redirects to delete confirmation.
*/
function node_page_edit($node) {
if ($_POST['op'] == t('Delete')) {
// Note: we redirect from node/nid/edit to node/nid/delete to make the tabs disappear.
if ($_REQUEST['destination']) {
$destination = drupal_get_destination();
unset($_REQUEST['destination']);
}
drupal_goto('node/'. $node->nid .'/delete', $destination);
}
drupal_set_title(check_plain($node->title));
return drupal_get_form($node->type . '_node_form', $node);
}
/**
* shutdown function to make sure we always mark the last node processed.
*/
function node_update_shutdown() {
global $last_change, $last_nid;
if ($last_change && $last_nid) {
variable_set('node_cron_last', $last_change);
variable_set('node_cron_last_nid', $last_nid);
}
}
/**
* Implementation of hook_update_index().
*/
function node_update_index() {
global $last_change, $last_nid;
register_shutdown_function('node_update_shutdown');
$last = variable_get('node_cron_last', 0);
$last_nid = variable_get('node_cron_last_nid', 0);
$limit = (int)variable_get('search_cron_limit', 100);
// Store the maximum possible comments per thread (used for ranking by reply count)
variable_set('node_cron_comments_scale', 1.0 / max(1, db_result(db_query('SELECT MAX(comment_count) FROM {node_comment_statistics}'))));
variable_set('node_cron_views_scale', 1.0 / max(1, db_result(db_query('SELECT MAX(totalcount) FROM {node_counter}'))));
$result = db_query_range('SELECT GREATEST(IF(c.last_comment_timestamp IS NULL, 0, c.last_comment_timestamp), n.changed) as last_change, n.nid FROM {node} n LEFT JOIN {node_comment_statistics} c ON n.nid = c.nid WHERE n.status = 1 AND ((GREATEST(n.changed, c.last_comment_timestamp) = %d AND n.nid > %d) OR (n.changed > %d OR c.last_comment_timestamp > %d)) ORDER BY GREATEST(n.changed, c.last_comment_timestamp) ASC, n.nid ASC', $last, $last_nid, $last, $last, $last, 0, $limit);
while ($node = db_fetch_object($result)) {
$last_change = $node->last_change;
$last_nid = $node->nid;
$node = node_load($node->nid);
// Build the node body.
$node = node_build_content($node, FALSE, FALSE);
$node->body = drupal_render($node->content);
$text = ''. check_plain($node->title) .'
'. $node->body;
// Fetch extra data normally not visible
$extra = node_invoke_nodeapi($node, 'update index');
foreach ($extra as $t) {
$text .= $t;
}
// Update index
search_index($node->nid, 'node', $text);
}
}
/**
* Implementation of hook_form_alter().
*/
function node_form_alter($form_id, &$form) {
// Advanced node search form
if ($form_id == 'search_form' && arg(1) == 'node' && user_access('use advanced search')) {
// Keyword boxes:
$form['advanced'] = array(
'#type' => 'fieldset',
'#title' => t('Advanced search'),
'#collapsible' => TRUE,
'#collapsed' => TRUE,
'#attributes' => array('class' => 'search-advanced'),
);
$form['advanced']['keywords'] = array(
'#prefix' => '',
'#suffix' => '
',
);
$form['advanced']['keywords']['or'] = array(
'#type' => 'textfield',
'#title' => t('Containing any of the words'),
'#size' => 30,
'#maxlength' => 255,
);
$form['advanced']['keywords']['phrase'] = array(
'#type' => 'textfield',
'#title' => t('Containing the phrase'),
'#size' => 30,
'#maxlength' => 255,
);
$form['advanced']['keywords']['negative'] = array(
'#type' => 'textfield',
'#title' => t('Containing none of the words'),
'#size' => 30,
'#maxlength' => 255,
);
// Taxonomy box:
if ($taxonomy = module_invoke('taxonomy', 'form_all', 1)) {
$form['advanced']['category'] = array(
'#type' => 'select',
'#title' => t('Only in the category(s)'),
'#prefix' => '',
'#size' => 10,
'#suffix' => '
',
'#options' => $taxonomy,
'#multiple' => TRUE,
);
}
// Node types:
$types = node_get_types('names');
$form['advanced']['type'] = array(
'#type' => 'checkboxes',
'#title' => t('Only of the type(s)'),
'#prefix' => '',
'#suffix' => '
',
'#options' => $types,
);
$form['advanced']['submit'] = array(
'#type' => 'submit',
'#value' => t('Advanced search'),
'#prefix' => '',
'#suffix' => '
',
);
$form['#validate']['node_search_validate'] = array();
}
}
/**
* Form API callback for the search form. Registered in node_form_alter().
*/
function node_search_validate($form_id, $form_values, $form) {
// Initialise using any existing basic search keywords.
$keys = $form_values['processed_keys'];
// Insert extra restrictions into the search keywords string.
if (isset($form_values['type']) && is_array($form_values['type'])) {
// Retrieve selected types - Forms API sets the value of unselected checkboxes to 0.
$form_values['type'] = array_filter($form_values['type']);
if (count($form_values['type'])) {
$keys = search_query_insert($keys, 'type', implode(',', array_keys($form_values['type'])));
}
}
if (isset($form_values['category']) && is_array($form_values['category'])) {
$keys = search_query_insert($keys, 'category', implode(',', $form_values['category']));
}
if ($form_values['or'] != '') {
if (preg_match_all('/ ("[^"]+"|[^" ]+)/i', ' '. $form_values['or'], $matches)) {
$keys .= ' '. implode(' OR ', $matches[1]);
}
}
if ($form_values['negative'] != '') {
if (preg_match_all('/ ("[^"]+"|[^" ]+)/i', ' '. $form_values['negative'], $matches)) {
$keys .= ' -'. implode(' -', $matches[1]);
}
}
if ($form_values['phrase'] != '') {
$keys .= ' "'. str_replace('"', ' ', $form_values['phrase']) .'"';
}
if (!empty($keys)) {
form_set_value($form['basic']['inline']['processed_keys'], trim($keys));
}
}
/**
* @defgroup node_access Node access rights
* @{
* The node access system determines who can do what to which nodes.
*
* In determining access rights for a node, node_access() first checks
* whether the user has the "administer nodes" permission. Such users have
* unrestricted access to all nodes. Then the node module's hook_access()
* is called, and a TRUE or FALSE return value will grant or deny access.
* This allows, for example, the blog module to always grant access to the
* blog author, and for the book module to always deny editing access to
* PHP pages.
*
* If node module does not intervene (returns NULL), then the
* node_access table is used to determine access. All node access
* modules are queried using hook_node_grants() to assemble a list of
* "grant IDs" for the user. This list is compared against the table.
* If any row contains the node ID in question (or 0, which stands for "all
* nodes"), one of the grant IDs returned, and a value of TRUE for the
* operation in question, then access is granted. Note that this table is a
* list of grants; any matching row is sufficient to grant access to the
* node.
*
* In node listings, the process above is followed except that
* hook_access() is not called on each node for performance reasons and for
* proper functioning of the pager system. When adding a node listing to your
* module, be sure to use db_rewrite_sql() to add
* the appropriate clauses to your query for access checks.
*
* To see how to write a node access module of your own, see
* node_access_example.module.
*/
/**
* Determine whether the current user may perform the given operation on the
* specified node.
*
* @param $op
* The operation to be performed on the node. Possible values are:
* - "view"
* - "update"
* - "delete"
* - "create"
* @param $node
* The node object (or node array) on which the operation is to be performed,
* or node type (e.g. 'forum') for "create" operation.
* @return
* TRUE if the operation may be performed.
*/
function node_access($op, $node = NULL) {
global $user;
// Convert the node to an object if necessary:
if ($op != 'create') {
$node = (object)$node;
}
// If the node is in a restricted format, disallow editing.
if ($op == 'update' && !filter_access($node->format)) {
return FALSE;
}
if (user_access('administer nodes')) {
return TRUE;
}
if (!user_access('access content')) {
return FALSE;
}
// Can't use node_invoke(), because the access hook takes the $op parameter
// before the $node parameter.
$module = node_get_types('module', $node);
if ($module == 'node') {
$module = 'node_content'; // Avoid function name collisions.
}
$access = module_invoke($module, 'access', $op, $node);
if (!is_null($access)) {
return $access;
}
// If the module did not override the access rights, use those set in the
// node_access table.
if ($op != 'create' && $node->nid && $node->status) {
$grants = array();
foreach (node_access_grants($op) as $realm => $gids) {
foreach ($gids as $gid) {
$grants[] = "(gid = $gid AND realm = '$realm')";
}
}
$grants_sql = '';
if (count($grants)) {
$grants_sql = 'AND ('. implode(' OR ', $grants) .')';
}
$sql = "SELECT COUNT(*) FROM {node_access} WHERE (nid = 0 OR nid = %d) $grants_sql AND grant_$op >= 1";
$result = db_query($sql, $node->nid);
return (db_result($result));
}
// Let authors view their own nodes.
if ($op == 'view' && $user->uid == $node->uid && $user->uid != 0) {
return TRUE;
}
return FALSE;
}
/**
* Generate an SQL join clause for use in fetching a node listing.
*
* @param $node_alias
* If the node table has been given an SQL alias other than the default
* "n", that must be passed here.
* @param $node_access_alias
* If the node_access table has been given an SQL alias other than the default
* "na", that must be passed here.
* @return
* An SQL join clause.
*/
function _node_access_join_sql($node_alias = 'n', $node_access_alias = 'na') {
if (user_access('administer nodes')) {
return '';
}
return 'INNER JOIN {node_access} '. $node_access_alias .' ON '. $node_access_alias .'.nid = '. $node_alias .'.nid';
}
/**
* Generate an SQL where clause for use in fetching a node listing.
*
* @param $op
* The operation that must be allowed to return a node.
* @param $node_access_alias
* If the node_access table has been given an SQL alias other than the default
* "na", that must be passed here.
* @return
* An SQL where clause.
*/
function _node_access_where_sql($op = 'view', $node_access_alias = 'na', $uid = NULL) {
if (user_access('administer nodes')) {
return;
}
$grants = array();
foreach (node_access_grants($op, $uid) as $realm => $gids) {
foreach ($gids as $gid) {
$grants[] = "($node_access_alias.gid = $gid AND $node_access_alias.realm = '$realm')";
}
}
$grants_sql = '';
if (count($grants)) {
$grants_sql = 'AND ('. implode(' OR ', $grants) .')';
}
$sql = "$node_access_alias.grant_$op >= 1 $grants_sql";
return $sql;
}
/**
* Fetch an array of permission IDs granted to the given user ID.
*
* The implementation here provides only the universal "all" grant. A node
* access module should implement hook_node_grants() to provide a grant
* list for the user.
*
* @param $op
* The operation that the user is trying to perform.
* @param $uid
* The user ID performing the operation. If omitted, the current user is used.
* @return
* An associative array in which the keys are realms, and the values are
* arrays of grants for those realms.
*/
function node_access_grants($op, $uid = NULL) {
global $user;
if (isset($uid)) {
$user_object = user_load(array('uid' => $uid));
}
else {
$user_object = $user;
}
return array_merge(array('all' => array(0)), module_invoke_all('node_grants', $user_object, $op));
}
/**
* Determine whether the user has a global viewing grant for all nodes.
*/
function node_access_view_all_nodes() {
static $access;
if (!isset($access)) {
$grants = array();
foreach (node_access_grants('view') as $realm => $gids) {
foreach ($gids as $gid) {
$grants[] = "(gid = $gid AND realm = '$realm')";
}
}
$grants_sql = '';
if (count($grants)) {
$grants_sql = 'AND ('. implode(' OR ', $grants) .')';
}
$sql = "SELECT COUNT(*) FROM {node_access} WHERE nid = 0 $grants_sql AND grant_view >= 1";
$result = db_query($sql);
$access = db_result($result);
}
return $access;
}
/**
* Implementation of hook_db_rewrite_sql
*/
function node_db_rewrite_sql($query, $primary_table, $primary_field) {
if ($primary_field == 'nid' && !node_access_view_all_nodes()) {
$return['join'] = _node_access_join_sql($primary_table);
$return['where'] = _node_access_where_sql();
$return['distinct'] = 1;
return $return;
}
}
/**
* This function will call module invoke to get a list of grants and then
* write them to the database. It is called at node save, and should be
* called by modules whenever something other than a node_save causes
* the permissions on a node to change.
*
* This function is the only function that should write to the node_access
* table.
*
* @param $node
* The $node to acquire grants for.
*/
function node_access_acquire_grants($node) {
$grants = module_invoke_all('node_access_records', $node);
if (!$grants) {
$grants[] = array('realm' => 'all', 'gid' => 0, 'grant_view' => 1, 'grant_update' => 0, 'grant_delete' => 0);
}
else {
// retain grants by highest priority
$grant_by_priority = array();
foreach ($grants as $g) {
$grant_by_priority[intval($g['priority'])][] = $g;
}
krsort($grant_by_priority);
$grants = array_shift($grant_by_priority);
}
node_access_write_grants($node, $grants);
}
/**
* This function will write a list of grants to the database, deleting
* any pre-existing grants. If a realm is provided, it will only
* delete grants from that realm, but it will always delete a grant
* from the 'all' realm. Modules which utilize node_access can
* use this function when doing mass updates due to widespread permission
* changes.
*
* @param $node
* The $node being written to. All that is necessary is that it contain a nid.
* @param $grants
* A list of grants to write. Each grant is an array that must contain the
* following keys: realm, gid, grant_view, grant_update, grant_delete.
* The realm is specified by a particular module; the gid is as well, and
* is a module-defined id to define grant privileges. each grant_* field
* is a boolean value.
* @param $realm
* If provided, only read/write grants for that realm.
* @param $delete
* If false, do not delete records. This is only for optimization purposes,
* and assumes the caller has already performed a mass delete of some form.
*/
function node_access_write_grants($node, $grants, $realm = NULL, $delete = TRUE) {
if ($delete) {
$query = 'DELETE FROM {node_access} WHERE nid = %d';
if ($realm) {
$query .= " AND realm in ('%s', 'all')";
}
db_query($query, $node->nid, $realm);
}
// only perform work when node_access modules are active
if (count(module_implements('node_grants'))) {
// This optimization reduces the number of db inserts a little bit. We could
// optimize further for mass updates if we wanted.
$values = array();
$query = '';
foreach ($grants as $grant) {
if ($realm && $realm != $grant['realm']) {
continue;
}
// Only write grants; denies are implicit.
if ($grant['grant_view'] || $grant['grant_update'] || $grant['grant_delete']) {
$query .= ($query ? ', ' : '') . "(%d, '%s', %d, %d, %d, %d)";
$values[] = $node->nid;
$values[] = $grant['realm'];
$values[] = $grant['gid'];
$values[] = $grant['grant_view'];
$values[] = $grant['grant_update'];
$values[] = $grant['grant_delete'];
}
}
if ($values) {
$query = "INSERT INTO {node_access} (nid, realm, gid, grant_view, grant_update, grant_delete) VALUES " . $query;
db_query($query, $values);
}
}
}
/**
* Rebuild the node access database. This is occasionally needed by modules
* that make system-wide changes to access levels.
*/
function node_access_rebuild() {
db_query("DELETE FROM {node_access}");
// only recalculate if site is using a node_access module
if (count(module_implements('node_grants'))) {
// If not in 'safe mode', increase the maximum execution time:
if (!ini_get('safe_mode')) {
set_time_limit(240);
}
$result = db_query("SELECT nid FROM {node}");
while ($node = db_fetch_object($result)) {
node_access_acquire_grants(node_load($node->nid));
}
}
else {
// not using any node_access modules. add the default grant.
db_query("INSERT INTO {node_access} VALUES (0, 0, 'all', 1, 0, 0)");
}
cache_clear_all();
}
/**
* @} End of "defgroup node_access".
*/
/**
* @defgroup node_content Hook implementations for user-created content types.
* @{
*/
/**
* Implementation of hook_access().
*/
function node_content_access($op, $node) {
global $user;
$type = is_string($node) ? $node : (is_array($node) ? $node['type'] : $node->type);
if ($op == 'create') {
return user_access('create '. $type .' content');
}
if ($op == 'update' || $op == 'delete') {
if (user_access('edit '. $type .' content') || (user_access('edit own '. $type .' content') && ($user->uid == $node->uid))) {
return TRUE;
}
}
}
/**
* Implementation of hook_form().
*/
function node_content_form($node) {
$type = node_get_types('type', $node);
$form = array();
if ($type->has_title) {
$form['title'] = array(
'#type' => 'textfield',
'#title' => check_plain($type->title_label),
'#required' => TRUE,
'#default_value' => $node->title,
'#weight' => -5,
);
}
if ($type->has_body) {
$form['body_filter']['body'] = array(
'#type' => 'textarea',
'#title' => check_plain($type->body_label),
'#default_value' => $node->body,
'#rows' => 20,
'#required' => TRUE);
$form['body_filter']['format'] = filter_form($node->format);
}
return $form;
}
/**
* @} End of "defgroup node_content".
*/
/**
* Implementation of hook_forms(). All node forms share the same form handler
*/
function node_forms() {
foreach (array_keys(node_get_types()) as $type) {
$forms[$type .'_node_form']['callback'] = 'node_form';
}
return $forms;
}