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- <?php
- /**
- * @file
- * Written by Henri MEDOT <henri.medot[AT]absyx[DOT]fr>
- * http://www.absyx.fr
- */
- /**
- * Implements hook_permission().
- */
- function menu_admin_per_menu_permission() {
- $perms = array();
- $menus = menu_get_menus();
- foreach ($menus as $name => $title) {
- $perms['administer ' . $name . ' menu items'] = array('title' => t('Administer %menu menu items', array('%menu' => $title)));
- }
- return $perms;
- }
- /**
- * Implements hook_menu_alter().
- */
- function menu_admin_per_menu_menu_alter(&$items) {
- $items['admin/structure/menu']['page callback'] = '_menu_admin_per_menu_menu_overview_page';
- $items['admin/structure/menu']['access callback'] = '_menu_admin_per_menu_access';
- unset($items['admin/structure/menu']['access arguments']);
- $items['admin/structure/menu/manage/%menu']['access callback'] = '_menu_admin_per_menu_menu_access';
- $items['admin/structure/menu/manage/%menu']['access arguments'] = array(4);
- $items['admin/structure/menu/manage/%menu/add']['access callback'] = '_menu_admin_per_menu_menu_access';
- $items['admin/structure/menu/manage/%menu/add']['access arguments'] = array(4);
- $items['admin/structure/menu/item/%menu_link/edit']['access callback'] = '_menu_admin_per_menu_menu_link_access';
- $items['admin/structure/menu/item/%menu_link/edit']['access arguments'] = array(4);
- $items['admin/structure/menu/item/%menu_link/reset']['access callback'] = '_menu_admin_per_menu_menu_link_access';
- $items['admin/structure/menu/item/%menu_link/reset']['access arguments'] = array(4);
- $items['admin/structure/menu/item/%menu_link/delete']['access callback'] = '_menu_admin_per_menu_menu_link_access';
- $items['admin/structure/menu/item/%menu_link/delete']['access arguments'] = array(4);
- }
- /**
- * Overrides menu_overview_page().
- */
- function _menu_admin_per_menu_menu_overview_page() {
- if (user_access('administer menu')) {
- return menu_overview_page();
- }
- $perm_menus = _menu_admin_per_menu_get_perm_menus();
- $result = db_query("SELECT * FROM {menu_custom} ORDER BY title", array(), array('fetch' => PDO::FETCH_ASSOC));
- $header = array(t('Title'), array('data' => t('Operations'), 'colspan' => '2'));
- $rows = array();
- foreach ($result as $menu) {
- if (isset($perm_menus[$menu['menu_name']])) {
- $row = array(theme('menu_admin_overview', array('title' => $menu['title'], 'name' => $menu['menu_name'], 'description' => $menu['description'])));
- $row[] = array('data' => l(t('list links'), 'admin/structure/menu/manage/' . $menu['menu_name']));
- $row[] = array('data' => l(t('add link'), 'admin/structure/menu/manage/' . $menu['menu_name'] . '/add'));
- $rows[] = $row;
- }
- }
- return theme('table', array('header' => $header, 'rows' => $rows));
- }
- /**
- * Access callback for the overview page of all the menus.
- */
- function _menu_admin_per_menu_access() {
- return user_access('administer menu') || _menu_admin_per_menu_get_perm_menus();
- }
- /**
- * Access callback for the overview and add menu link pages of a menu.
- */
- function _menu_admin_per_menu_menu_access($menu) {
- if (user_access('administer menu')) {
- return TRUE;
- }
- $perm_menus = _menu_admin_per_menu_get_perm_menus();
- return isset($perm_menus[$menu['menu_name']]);
- }
- /**
- * Access callback for the menu link administration pages.
- */
- function _menu_admin_per_menu_menu_link_access($menu_link) {
- if (user_access('administer menu')) {
- return TRUE;
- }
- $perm_menus = _menu_admin_per_menu_get_perm_menus();
- return isset($perm_menus[$menu_link['menu_name']]);
- }
- /**
- * Implements hook_form_alter().
- */
- function menu_admin_per_menu_form_alter(&$form, $form_state, $form_id) {
- // Alter the menu element of the node form.
- if (isset($form['menu']['link']['parent']) && !user_access('administer menu')) {
- $form['menu']['#access'] = FALSE;
- if (_menu_admin_per_menu_filter_parent_options($form['menu']['link'])) {
- $option_keys = array_keys($form['menu']['link']['parent']['#options']);
- $form['menu']['#access'] = TRUE;
- if (empty($form['menu']['link']['mlid']['#value']) && !in_array($form['menu']['link']['parent']['#default_value'], $option_keys)) {
- $form['menu']['link']['parent']['#default_value'] = $option_keys[0];
- }
- }
- }
- }
- /**
- * Filters parent options based on allowed menus.
- */
- function _menu_admin_per_menu_filter_parent_options(&$element) {
- $perm_menus = _menu_admin_per_menu_get_perm_menus();
- if ($perm_menus && is_array($element['parent']['#options'])) {
- $has_mlid = !empty($element['mlid']['#value']);
- $default_value = $element['parent']['#default_value'];
- $option_keys = array_keys($element['parent']['#options']);
- foreach ($option_keys as $option_key) {
- list($menu, $item) = explode(':', $option_key);
- if (!isset($perm_menus[$menu])) {
- unset($element['parent']['#options'][$option_key]);
- if ($has_mlid && $option_key == $default_value) {
- return FALSE;
- }
- }
- }
- return count($element['parent']['#options']) > 0;
- }
- return FALSE;
- }
- /**
- * Returns the menus for which a user has per menu admin permissions.
- */
- function _menu_admin_per_menu_get_perm_menus($account = NULL) {
- $perm_menus = &drupal_static(__FUNCTION__, array());
- if (!isset($account)) {
- $account = $GLOBALS['user'];
- }
- if (!isset($perm_menus[$account->uid])) {
- $perm_menus[$account->uid] = array();
- $menus = menu_get_menus();
- foreach ($menus as $name => $title) {
- if (user_access('administer ' . $name . ' menu items', $account)) {
- $perm_menus[$account->uid][$name] = $name;
- }
- }
- drupal_alter('menu_admin_per_menu_perm_menus', $perm_menus[$account->uid], $account);
- }
- return $perm_menus[$account->uid];
- }
- /**
- * Implements hook_form_FORM_ID_alter() for menu_edit_item().
- */
- function menu_admin_per_menu_form_menu_edit_item_alter(&$form, &$form_state, $form_id) {
- if (isset($form['parent']) && !user_access('administer menu') && _menu_admin_per_menu_filter_parent_options($form)) {
- $option_keys = array_keys($form['parent']['#options']);
- if (empty($form['mlid']['#value']) && !in_array($form['parent']['#default_value'], $option_keys)) {
- $form['parent']['#default_value'] = $option_keys[0];
- }
- }
- }
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