dialog_comment.module in Dialog 6

Provides Dialog integration for the core comment module. NOTE: In order for the edit, delete and reply links on comments to work, you must patch the Drupal 6 comment module with the patch from http://drupal.org/node/374463#comment-2393592.

File

modules/dialog_comment/dialog_comment.module

<?php

/**
 * @file
 * Provides Dialog integration for the core comment module.
 * NOTE: In order for the edit, delete and reply links on comments to work,
 * you must patch the Drupal 6 comment module with the patch from
 * http://drupal.org/node/374463#comment-2393592.
 */

/**
 * Implementation of hook_menu().
 */
function dialog_comment_menu() {
  $items['comment/%ctools_js/delete/%'] = array(
    'title' => 'Delete comment',
    'page callback' => 'dialog_comment_delete',
    'page arguments' => array(
      3,
      1,
    ),
    'access arguments' => array(
      'administer comments',
    ),
    'type' => MENU_CALLBACK,
  );
  $items['comment/%ctools_js/edit/%'] = array(
    'title' => 'Edit comment',
    'page callback' => 'dialog_comment_edit',
    'page arguments' => array(
      3,
      1,
    ),
    'access arguments' => array(
      'post comments',
    ),
    'type' => MENU_CALLBACK,
  );
  $items['comment/%ctools_js/reply/%node'] = array(
    'title' => 'Reply to comment',
    'page callback' => 'dialog_comment_reply',
    'page arguments' => array(
      3,
      1,
    ),
    'access callback' => 'node_access',
    'access arguments' => array(
      'view',
      3,
    ),
    'type' => MENU_CALLBACK,
  );
  return $items;
}

/**
 * Implementation of hook_link_alter().
 */
function dialog_comment_link_alter(&$links, $node) {
  foreach ($links as $id => $link) {
    switch ($id) {
      case 'comment_add':
      case 'comment_reply':
        dialog_add_js();
        $links[$id]['href'] = str_replace('comment/reply', 'comment/nojs/reply', $link['href']);
        $links[$id]['attributes']['class'] = 'ctools-use-dialog';
        break;
      case 'comment_edit':
        dialog_add_js();
        $links[$id]['href'] = str_replace('comment/edit', 'comment/nojs/edit', $link['href']);
        $links[$id]['attributes']['class'] = 'ctools-use-dialog';
        break;
      case 'comment_delete':
        dialog_add_js();
        $links[$id]['href'] = str_replace('comment/delete', 'comment/nojs/delete', $link['href']);
        $links[$id]['attributes']['class'] = 'ctools-use-dialog';
        break;
    }
  }
}

/**
 * Implementation of hook_form_comment_form_alter().
 */
function dialog_comment_form_comment_form_alter(&$form, $form_state) {

  // Mark submit and preview buttons to be used as Dialog buttons.
  if (!empty($form_state['ajax'])) {
    if (isset($form['submit'])) {
      $form['submit']['#attributes']['class'] = 'ctools-dialog-button';
    }
    if (isset($form['preview'])) {
      $form['preview']['#attributes']['class'] = 'ctools-dialog-button';
    }
  }

  // comment_form will hard-code the #action to a comment/reply path.
  // This will break our form, so replace with comment/%ctools_js/reply path.
  if (isset($form['#action'])) {
    $js = !empty($form_state['ajax']) ? 'ajax' : 'nojs';
    $form['#action'] = str_replace('comment/reply', "comment/{$js}/reply", $form['#action']);
  }
}

/**
 * Menu page callback for comment/%ctools_js/reply/%node
 */
function dialog_comment_reply($node, $ajax = FALSE, $pid = NULL) {
  if (!$ajax) {
    module_load_include('inc', 'comment', 'comment.pages');
    return comment_reply($node);
  }

  // TODO: comment_reply does a whole bunch of access checking and other
  // stuff. Not sure how much we should do here, beyond the user_access below
  if (!user_access('post comments')) {

    // TODO: maybe we should have a dialog_access_denied().
    $commands = array();
    $commands[] = dialog_command_display(t('Access denied'), t('You are not authorized to access this page.'));
    ctools_ajax_render($commands);

    // implicit exit();
  }
  ctools_include('ajax');
  $form_state = array(
    'ajax' => TRUE,
    'title' => t('Reply to %title', array(
      '%title' => $node->title,
    )),
    'args' => array(
      array(
        'pid' => $pid,
        'nid' => $node->nid,
      ),
    ),
  );
  $output = dialog_form_wrapper('comment_form', $form_state);
  if (empty($output)) {
    $output[] = dialog_command_display(t('Comment submitted'), t('Reloading...'));
    $output[] = ctools_ajax_command_reload();
  }
  ctools_ajax_render($output);
}

/**
 * Menu page callback for comment/%ctools_js/edit/%
 */
function dialog_comment_edit($cid, $ajax = FALSE) {
  if (!$ajax) {
    module_load_include('inc', 'comment', 'comment.pages');
    return comment_edit($cid);
  }
  $comment = db_fetch_object(db_query('SELECT c.*, u.uid, u.name AS registered_name, u.data FROM {comments} c INNER JOIN {users} u ON c.uid = u.uid WHERE c.cid = %d', $cid));
  $comment = drupal_unpack($comment);
  $comment->name = $comment->uid ? $comment->registered_name : $comment->name;
  ctools_include('ajax');
  if (!comment_access('edit', $comment)) {
    $commands = array();
    $commands[] = dialog_command_display(t('Access denied'), t('You are not authorized to access this page.'));
    ctools_ajax_render($commands);

    // implicit exit();
  }
  $form_state = array(
    'ajax' => TRUE,
    'title' => t('Edit comment'),
    'args' => array(
      (array) $comment,
    ),
  );
  $output = dialog_form_wrapper('comment_form', $form_state);
  if (empty($output)) {
    $output[] = dialog_command_display(t('Comment submitted'), t('Reloading...'));
    $output[] = ctools_ajax_command_reload();
  }
  ctools_ajax_render($output);
}

/**
 * Menu page callback for comment/%ctools_js/delete/%
 */
function dialog_comment_delete($cid, $ajax = FALSE) {
  module_load_include('inc', 'comment', 'comment.admin');
  if (!$ajax) {
    return comment_delete($cid);
  }
  $comment = db_fetch_object(db_query('SELECT c.*, u.name AS registered_name, u.uid FROM {comments} c INNER JOIN {users} u ON u.uid = c.uid WHERE c.cid = %d', $cid));
  $comment->name = $comment->uid ? $comment->registered_name : $comment->name;
  ctools_include('ajax');
  $form_state = array(
    'ajax' => TRUE,
    'title' => t('Edit comment'),
    'args' => array(
      $comment,
    ),
  );
  $output = dialog_form_wrapper('comment_confirm_delete', $form_state);
  if (empty($output)) {
    $output[] = dialog_command_display(t('Comment deleted'), t('Reloading...'));
    $output[] = ctools_ajax_command_reload();
  }
  ctools_ajax_render($output);
}

Functions

Name	Description
dialog_comment_delete	Menu page callback for comment/%ctools_js/delete/%
dialog_comment_edit	Menu page callback for comment/%ctools_js/edit/%
dialog_comment_form_comment_form_alter	Implementation of hook_form_comment_form_alter().
dialog_comment_link_alter	Implementation of hook_link_alter().
dialog_comment_menu	Implementation of hook_menu().
dialog_comment_reply	Menu page callback for comment/%ctools_js/reply/%node