node_page_disable.module in Node Page Disable 6

The main module file

File

node_page_disable.module

<?php

/**
 * @file
 * The main module file
 *
 * @ingroup node_page_disable Node Page Disable
 * @{
 */

/**
 * @var NODE_PAGE_DISABLE_DEFAULT
 */
define('NODE_PAGE_DISABLE_DEFAULT', TRUE);

/**
 * Implements hook_menu_alter().
 */
function node_page_disable_menu_alter(&$items) {
  global $_node_page_disable_restore_path_node_;
  if (empty($_node_page_disable_restore_path_node_) && isset($items['node']) && !($keep = variable_get('node_page_disable_path_node_keep', NODE_PAGE_DISABLE_DEFAULT))) {
    $frontpage = variable_get('site_frontpage', '');
    if (!empty($frontpage) && $frontpage != 'node') {
      unset($items['node']);
    }
  }
}

/**
 * Implements hook_form_alter().
 */
function node_page_disable_form_system_site_information_settings_alter(&$form, $form_state) {
  if (!array_key_exists('site_frontpage', $form)) {
    return;
  }
  $default = variable_get('node_page_disable_path_node_keep', NODE_PAGE_DISABLE_DEFAULT);
  $front = variable_get('site_frontpage', FALSE);
  $form['#node_page_disable']['node_page_disable_path_node_keep'] = $default;
  $element = array(
    '#type' => 'checkbox',
    '#title' => t('Retain <a href="@url">/node</a> as an active url?', array(
      '@url' => url('node'),
    )),
    '#default_value' => $default,
  );
  $splice = array_keys($form);
  $splice = array_search('site_frontpage', $splice) + 1;
  $form = array_slice($form, 0, $splice, TRUE) + array(
    'node_page_disable_path_node_keep' => $element,
  ) + array_slice($form, $splice, NULL, TRUE);
  $form['#submit'][] = 'node_page_disable_form_system_site_information_settings_submit';
  array_unshift($form['#validate'], 'node_page_disable_form_system_site_information_settings_validate1');
  $form['#validate'][] = 'node_page_disable_form_system_site_information_settings_validate2';
}

/**
 * Restore the /node path in the menu regardless of settings
 *
 * @see node_page_disable_form_system_site_information_settings_validate1()
 */
function _node_page_disable_restore_path_node() {
  $errors = form_get_errors();
  global $_node_page_disable_restore_path_node_;
  $_node_page_disable_restore_path_node_ = TRUE;
  variable_set('menu_rebuild_needed', TRUE);
}

/**
 * Form validation handler.
 *
 * @see system_site_information_settings_validate()
 * @see _node_page_disable_restore_path_node()
 */
function node_page_disable_form_system_site_information_settings_validate1($form, &$form_state) {

  // Make sure that system_site_information_settings_validate is not confused by
  // the fact that we hid 'node';
  $frontpage = $form_state['values']['site_frontpage'];
  if (($frontpage = '' || ($frontpage = 'node')) && !variable_get('node_page_disable_path_node_keep', NODE_PAGE_DISABLE_DEFAULT)) {
    _node_page_disable_restore_path_node();
  }
}

/**
 * Form validation handler.
 */
function node_page_disable_form_system_site_information_settings_validate2($form, &$form_state) {

  // We have to keep it when the frontpage is set to 'node'!
  if ($form_state['values']['site_frontpage'] == 'node') {
    form_set_value($form['node_page_disable_path_node_keep'], TRUE, $form_state);
    variable_set('menu_rebuild_needed', TRUE);
  }
}

/**
 * Form submission handler
 */
function node_page_disable_form_system_site_information_settings_submit($form, &$form_state) {

  // Rebuild the menu if state has changed
  if ($form['#node_page_disable']['node_page_disable_path_node_keep'] != $form_state['values']['node_page_disable_path_node_keep']) {
    variable_set('menu_rebuild_needed', TRUE);
  }
}

/** @} */

//end of group: node_page_disable

Functions

Name	Description
node_page_disable_form_system_site_information_settings_alter	Implements hook_form_alter().
node_page_disable_form_system_site_information_settings_submit	Form submission handler
node_page_disable_form_system_site_information_settings_validate1	Form validation handler.
node_page_disable_form_system_site_information_settings_validate2	Form validation handler.
node_page_disable_menu_alter	Implements hook_menu_alter().
_node_page_disable_restore_path_node	Restore the /node path in the menu regardless of settings

Constants

Name	Description
NODE_PAGE_DISABLE_DEFAULT