ajax_comment.module in Ajax 6

File

plugins/comment/ajax_comment.module

<?php

/**
 * AJAX Comment Plugin
 *
 * @see http://drupal.org/project/ajax
 * @see irc://freenode.net/#drupy
 * @depends Drupal 6
 * @author brendoncrawford
 * @note This file uses a 79 character width limit.
 *
 */

/**
 * Enables the comment form
 *
 * @param $form Assoc
 * @param $form_id String
 * @return Bool
 */
function ajax_comment_ajax_alter(&$form, &$form_state, $form_id) {
  if ($form_id === 'comment_form') {
    $form['submit'] = array(
      '#type' => 'submit',
      '#value' => t('Save'),
      '#weight' => 19,
    );
  }
  return TRUE;
}

/**
 * Gets ajax types
 *
 * @param $types Assoc
 * @return Bool
 *
 */
function ajax_comment_ajax_types(&$types) {
  $types['comment_form'] = t('Comment Form');
  return TRUE;
}

/**
 * Validation cleanup procedures
 *
 * @param $form Assoc
 * @param $form_state Assoc
 * @param $data Assoc
 * @return Bool
 *
 */
function ajax_comment_ajax_validate_pass(&$form, &$form_state, &$data, &$pass) {
  if ($form['form_id']['#value'] === 'comment_form' && $form['#post']['op'] === t('Preview')) {
    $data['preview'] = ajax_comment_preview($form, $form_state);
    $pass = FALSE;
  }
  return TRUE;
}

/**
 * Grabs comment preview.
 * This function taken from comment_form_add_preview
 *
 * @param $form Assoc
 * @param $form_state Assoc
 * @return String
 */
function ajax_comment_preview(&$form, &$form_state) {
  global $user;
  $edit = $form_state['values'];
  $output = '';
  $node = node_load($edit['nid']);
  _comment_form_submit($edit);
  $comment = (object) $edit;

  // Attach the user and time information.
  if (!empty($edit['author'])) {
    $account = user_load(array(
      'name' => $edit['author'],
    ));
  }
  elseif ($user->uid && !isset($edit['is_anonymous'])) {
    $account = $user;
  }
  if (!empty($account)) {
    $comment->uid = $account->uid;
    $comment->name = check_plain($account->name);
  }
  elseif (empty($comment->name)) {
    $comment->name = variable_get('anonymous', t('Anonymous'));
  }
  $comment->timestamp = !empty($edit['timestamp']) ? $edit['timestamp'] : time();
  if ($edit['pid']) {
    $comment = db_fetch_object(db_query('SELECT c.*, u.uid, u.name AS registered_name, ' . 'u.signature, u.picture, u.data FROM {comments} c ' . 'INNER JOIN {users} u ON c.uid = u.uid ' . 'WHERE c.cid = %d AND c.status = %d', $edit['pid'], COMMENT_PUBLISHED));
    $comment = drupal_unpack($comment);
    $comment->name = $comment->uid ? $comment->registered_name : $comment->name;
  }
  else {
    $suffix = empty($form['#suffix']) ? '' : $form['#suffix'];
    $form['#suffix'] = $suffix . node_view($node);
    $edit['pid'] = 0;
  }
  $output = '<div class="preview">';
  $output .= theme('comment_view', $comment, $node);
  $output .= '</div>';
  return $output;
}

Functions

Name	Description
ajax_comment_ajax_alter	Enables the comment form
ajax_comment_ajax_types	Gets ajax types
ajax_comment_ajax_validate_pass	Validation cleanup procedures
ajax_comment_preview	Grabs comment preview. This function taken from comment_form_add_preview