menu_admin_per_menu.module in Menu Admin per Menu 6

menu_admin_per_menu.module Main file for the menu_admin_per_menu module.

By default, Drupal 6 allows only users with administrer menu permission to add, modify or delete menu items. In case you want for instance to let certain users manage primary links or secondary links but not navigation menu, this module provides this functionality. Developped by Henri MEDOT <henri.medot[AT]absyx[DOT]fr> http://www.absyx.fr

File

menu_admin_per_menu.module

<?php

/**
 * @file menu_admin_per_menu.module
 * Main file for the menu_admin_per_menu module.
 *
 * By default, Drupal 6 allows only users with administrer menu permission to add, modify or delete menu items.
 * In case you want for instance to let certain users manage primary links or secondary links but not navigation menu,
 * this module provides this functionality.
 * Developped by Henri MEDOT <henri.medot[AT]absyx[DOT]fr>
 * http://www.absyx.fr
 */

/**
 * Implementation of hook_perm()
 */
function menu_admin_per_menu_perm() {
  $perms = array();
  $menus = menu_get_menus();
  foreach ($menus as $name => $title) {
    $perms[] = 'administer ' . $name . ' menu items';
  }
  return $perms;
}

/**
 * Implementation of hook_menu_alter()
 */
function menu_admin_per_menu_menu_alter(&$items) {
  $items['admin/build/menu']['page callback'] = '_menu_admin_per_menu_menu_overview_page';
  $items['admin/build/menu']['access callback'] = '_menu_admin_per_menu_access';
  unset($items['admin/build/menu']['access arguments']);
  $items['admin/build/menu-customize/%menu']['access callback'] = '_menu_admin_per_menu_menu_access';
  $items['admin/build/menu-customize/%menu']['access arguments'] = array(
    3,
  );
  $items['admin/build/menu-customize/%menu/add']['access callback'] = '_menu_admin_per_menu_menu_access';
  $items['admin/build/menu-customize/%menu/add']['access arguments'] = array(
    3,
  );
  $items['admin/build/menu/item/%menu_link/edit']['access callback'] = '_menu_admin_per_menu_menu_link_access';
  $items['admin/build/menu/item/%menu_link/edit']['access arguments'] = array(
    4,
  );
  $items['admin/build/menu/item/%menu_link/reset']['access callback'] = '_menu_admin_per_menu_menu_link_access';
  $items['admin/build/menu/item/%menu_link/reset']['access arguments'] = array(
    4,
  );
  $items['admin/build/menu/item/%menu_link/delete']['access callback'] = '_menu_admin_per_menu_menu_link_access';
  $items['admin/build/menu/item/%menu_link/delete']['access arguments'] = array(
    4,
  );
}
function _menu_admin_per_menu_menu_overview_page() {
  if (user_access('administer menu')) {
    return menu_overview_page();
  }
  $result = db_query("SELECT * FROM {menu_custom} ORDER BY title");
  $content = array();
  while ($menu = db_fetch_array($result)) {
    if (user_access('administer ' . $menu['menu_name'] . ' menu items')) {
      $menu['href'] = 'admin/build/menu-customize/' . $menu['menu_name'];
      $menu['localized_options'] = array();
      $content[] = $menu;
    }
  }
  return theme('admin_block_content', $content);
}
function _menu_admin_per_menu_access() {
  if (user_access('administer menu')) {
    return TRUE;
  }
  $perms = menu_admin_per_menu_perm();
  foreach ($perms as $perm) {
    if (user_access($perm)) {
      return TRUE;
    }
  }
  return FALSE;
}
function _menu_admin_per_menu_menu_access($menu = NULL) {
  if (user_access('administer menu') || user_access('administer ' . $menu['menu_name'] . ' menu items')) {
    return TRUE;
  }
  return FALSE;
}
function _menu_admin_per_menu_menu_link_access($menu_link = NULL) {
  if (user_access('administer menu') || user_access('administer ' . $menu_link['menu_name'] . ' menu items')) {
    return TRUE;
  }
  return FALSE;
}

/**
 * Implementation of hook_form_alter()
 */
function menu_admin_per_menu_form_alter(&$form, $form_state, $form_id) {
  if (isset($form['menu']['parent']) && !user_access('administer menu')) {
    if ($form_id == 'menu_edit_item' && isset($form['menu']['#access']) && !$form['menu']['#access']) {
      return;
    }
    $form['menu']['#access'] = FALSE;
    $perm_menus = array();
    $menus = menu_get_menus();
    foreach ($menus as $name => $title) {
      if (user_access('administer ' . $name . ' menu items')) {
        $perm_menus[] = $name;
      }
    }
    if (count($perm_menus) > 0 && is_array($form['menu']['parent']['#options'])) {
      $has_mlid = !empty($form['menu']['mlid']['#value']);
      $default_value = $form['menu']['parent']['#default_value'];
      $option_keys = array_keys($form['menu']['parent']['#options']);
      foreach ($option_keys as $option_key) {
        list($menu, $item) = explode(':', $option_key);
        if (!in_array($menu, $perm_menus)) {
          unset($form['menu']['parent']['#options'][$option_key]);
          if ($has_mlid && $option_key == $default_value) {
            return;
          }
        }
      }
      $option_keys = array_keys($form['menu']['parent']['#options']);
      if (count($option_keys) > 0) {
        $form['menu']['#access'] = TRUE;
        if (!$has_mlid && !in_array($default_value, $option_keys)) {
          $form['menu']['parent']['#default_value'] = $option_keys[0];
        }
      }
    }
  }
}

Functions

Name	Description
menu_admin_per_menu_form_alter	Implementation of hook_form_alter()
menu_admin_per_menu_menu_alter	Implementation of hook_menu_alter()
menu_admin_per_menu_perm	Implementation of hook_perm()
_menu_admin_per_menu_access
_menu_admin_per_menu_menu_access
_menu_admin_per_menu_menu_link_access
_menu_admin_per_menu_menu_overview_page