'. $form['comment_preview']['#value'] .'
';
if ($output && $form_state['values']['pid']) {
$output = ''. $output .'
';
}
}
elseif ($form_state['values']['op'] == t('Save')) {
$output = '';
}
$form = form_builder($form_id, $form, $form_state);
// Add Submit button if preview was required
$node = node_load($form_state['values']['nid']);
$op = $form_state['values']['op'];
if (variable_get('comment_preview_'. $node->type, COMMENT_PREVIEW_REQUIRED) == COMMENT_PREVIEW_REQUIRED && ($op == t('Preview') || $op == t('Save'))) {
$form['submit'] = array(
'#type' => 'submit',
'#value' => t('Save'),
'#weight' => 19,
'#executes_submit_callback' => TRUE,
);
$form['submit']['#id'] = "ajax-comments-submit";
$form['submit']['#submit'] = array('ajax_comments_submit');
$form['submit']['#ahah'] = array(
'path' => 'ajax_comments/js',
'wrapper' => 'comment-form-content',
'event' => 'click',
'method' => 'before',
'effect' => 'ajaxCommentsSubmit',
'progress' => array('type' => '1bar', 'message' => t('Please wait...')),
);
$form = form_builder($form_id, $form, $form_state);
form_set_cache($form_build_id, $form, $form_state);
}
}
unset($form['#suffix']);
unset($form['#prefix']);
$output = theme('status_messages') . $output;
if ($output) {
$javascript = drupal_add_js(NULL, NULL);
if (isset($javascript['setting'])) {
$output .= '';
}
drupal_json(array(
'status' => TRUE,
'data' => $output,
));
}
}
/**
* Fetch a form from cache.
*/
function ajax_comments_form_get_cache($form_build_id, &$form_state) {
global $user;
if ($cached = ajax_comments_cache_get('form_'. $form_build_id, 'cache_form')) {
$form = $cached->data;
if ((isset($form['#cache_token']) && drupal_valid_token($form['#cache_token'])) || (!isset($form['#cache_token']) && !$user->uid)) {
if ($cached = ajax_comments_cache_get('storage_'. $form_build_id, 'cache_form')) {
$form_state['storage'] = $cached->data;
}
return $form;
}
}
}
/**
* This one differs from standard by loading even expired cache instances.
*/
function ajax_comments_cache_get($cid, $table = 'cache') {
global $user;
// Garbage collection necessary when enforcing a minimum cache lifetime
$cache_flush = variable_get('cache_flush', 0);
if ($cache_flush && ($cache_flush + variable_get('cache_lifetime', 0) <= time())) {
// Reset the variable immediately to prevent a meltdown in heavy load situations.
variable_set('cache_flush', 0);
// Time to flush old cache data
// Support third-party caching systems such as CacheRouter
if(variable_get('cache_inc', FALSE)) {
cache_clear_all(NULL, $table);
}
// Drupal core caching tables
else {
db_query("DELETE FROM {". $table ."} WHERE expire != %d AND expire <= %d", CACHE_PERMANENT, $cache_flush);
}
}
// Support third-party caching systems such as CacheRouter
if(variable_get('cache_inc', FALSE)) {
$cache = cache_get($cid, $table);
if (isset($cache->data)) {
return $cache;
}
}
// Drupal core caching tables
else {
$cache = db_fetch_object(db_query("SELECT data, created, headers, expire, serialized FROM {". $table ."} WHERE cid = '%s'", $cid));
if (isset($cache->data)) {
$cache->data = db_decode_blob($cache->data);
if ($cache->serialized) {
$cache->data = unserialize($cache->data);
}
return $cache;
}
}
return 0;
}
/**
* Delivers a new comments form after comment have been submitted.
*/
function ajax_comments_js_reload_form($nid, $pid = NULL) {
drupal_set_header('Content-type: text/javascript; charset=utf-8');
$edit = array('nid' => $nid);
if (isset($pid)) {
$edit['pid'] = $pid;
}
print(drupal_get_form('comment_form', $edit, $title));
exit();
}
/**
* Comment submit routine.
*/
function ajax_comments_submit($form, &$form_state) {
//remove self
unset($form_state['submit_handlers']);
// ..and standart comments submit handler
foreach ($form['#submit'] as $key => $value) {
if ($value == 'comment_form_submit') {
unset($form['#submit'][$key]);
}
}
//execute all others
form_execute_handlers('submit', $form, $form_state);
//save comment just like comments module do it
$edit = $form_state['values'];
_comment_form_submit($edit);
if ($cid = comment_save($edit)) {
$errors = form_get_errors();
if (!$errors) {
$node = node_load($edit['nid']);
// update node stats
_comment_update_node_statistics($node->nid);
node_tag_new($node->nid);
$query = 'SELECT c.cid, c.pid, c.nid, c.subject, c.comment, c.format, c.timestamp, c.name, c.mail, c.homepage, u.uid, u.name AS registered_name, u.signature, u.picture, u.data, c.status FROM {comments} c INNER JOIN {users} u ON c.uid = u.uid WHERE c.cid = %d';
$query_args = array($cid);
if (!user_access('administer comments')) {
$query .= ' AND c.status = %d';
$query_args[] = COMMENT_PUBLISHED;
}
$query = db_rewrite_sql($query, 'c', 'cid');
$result = db_query($query, $query_args);
if ($comment = db_fetch_object($result)) {
$comment->name = $comment->uid ? $comment->registered_name : $comment->name;
$links = module_invoke_all('link', 'comment', $comment, 0);
drupal_alter('link', $links, $node);
//render our comment and get it back to AHAH handler
$output .= theme('comment_view', $comment, $node, $links);
$form_state['storage']['ajax_comment'] = $output;
}
}
}
return $output;
}
/**
* Comments delete callback.
*/
function ajax_comments_instant_delete($cid = 0){
// Check token to avoid CSRF attack.
if ($cid && isset($_GET['token']) && drupal_valid_token($_GET['token'], $cid)) {
drupal_set_header('Content-type: text/javascript; charset=utf-8');
module_load_include('inc', 'comment', 'comment.admin');
$comment = _comment_load($cid);
// Delete comment and its replies.
_comment_delete_thread($comment);
_comment_update_node_statistics($comment->nid);
// Clear the cache so an anonymous user sees that his comment was deleted.
cache_clear_all();
print('OK');
}
exit();
}
/**
* Implementation of hook_link_alter().
*/
function ajax_comments_link_alter(&$links, $comment) {
$node = menu_get_object();
$allowed_node_types = variable_get('ajax_comments_node_types', array());
$all_allowed = TRUE;
foreach ($allowed_node_types as $type) {
if ($type) {
$all_allowed = FALSE;
break;
}
}
if ($all_allowed || isset($allowed_node_types[$node->type]) && $allowed_node_types[$node->type]) {
if (is_array($links) && isset($links['comment_delete'])) {
$links['comment_delete'] = array(
'title' => t('delete'),
'href' => 'comment/delete/'. $comment->cid,
'query' => 'token='. drupal_get_token($comment->cid),
);
}
}
}
/**
* Process variables for comment.tpl.php.
*/
function ajax_comments_preprocess_comment(&$variables) {
$comment = $variables['comment'];
// Insert proper delete links (fix until hook_link_alter will not work propertly)
if ($variables['links'] && user_access('administer comments')) {
$links = module_invoke_all('link', 'comment', $comment, 0);
$links['comment_delete'] = array(
'title' => t('delete'),
'href' => 'comment/delete/'. $comment->cid,
'query' => 'token='. drupal_get_token($comment->cid),
);
$variables['links'] = isset($links) ? theme('links', $links) : '';
}
if (!$comment->cid) {
$variables['new'] = t('preview');
$variables['comment']->new = TRUE;
}
else {
$variables['title'] = l($comment->subject, 'node/'.$comment->nid, array('attributes' => array('class' => 'active'), 'fragment' => "comment-$comment->cid"));
}
}