574 lines
20 KiB
Plaintext
574 lines
20 KiB
Plaintext
<?php
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// $Id$
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/**
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* @file
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* Allows administrators to customize the site navigation menu.
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*/
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/**
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* Implementation of hook_menu().
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*/
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function menu_menu($may_cache) {
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$items = array();
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if ($may_cache) {
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$items[] = array('path' => 'admin/menu', 'title' => t('menus'),
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'callback' => 'menu_overview',
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'access' => user_access('administer menu'));
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$items[] = array('path' => 'admin/menu/item/edit', 'title' => t('edit menu item'),
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'callback' => 'menu_edit_item',
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'access' => user_access('administer menu'),
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'type' => MENU_CALLBACK);
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$items[] = array('path' => 'admin/menu/item/reset', 'title' => t('reset menu item'),
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'callback' => 'menu_reset_item',
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'access' => user_access('administer menu'),
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'type' => MENU_CALLBACK);
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$items[] = array('path' => 'admin/menu/item/disable', 'title' => t('disable menu item'),
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'callback' => 'menu_disable_item',
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'access' => user_access('administer menu'),
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'type' => MENU_CALLBACK);
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$items[] = array('path' => 'admin/menu/item/delete', 'title' => t('delete menu item'),
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'callback' => 'menu_delete_item',
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'access' => user_access('administer menu'),
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'type' => MENU_CALLBACK);
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$items[] = array('path' => 'admin/menu/list', 'title' => t('list'),
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'type' => MENU_DEFAULT_LOCAL_TASK, 'weight' => -10);
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$items[] = array('path' => 'admin/menu/menu/add', 'title' => t('add menu'),
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'callback' => 'menu_add_menu',
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'access' => user_access('administer menu'),
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'type' => MENU_LOCAL_TASK);
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$items[] = array('path' => 'admin/menu/item/add', 'title' => t('add menu item'),
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'callback' => 'menu_edit_item',
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'access' => user_access('administer menu'),
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'type' => MENU_LOCAL_TASK);
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$items[] = array('path' => 'admin/menu/reset', 'title' => t('reset menus'),
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'callback' => 'menu_reset',
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'access' => user_access('administer menu'),
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'type' => MENU_LOCAL_TASK);
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}
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return $items;
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}
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/**
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* Implementation of hook_help().
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*/
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function menu_help($section) {
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switch ($section) {
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case 'admin/modules#description':
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return t('Allows administrators to customize the site navigation menu.');
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case 'admin/menu':
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return t('<p>Select an operation from the list to move, change, or delete a menu item.</p>');
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case 'admin/menu/menu/add':
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return t('<p>Enter the name for your new menu. Remember to enable the newly created block in the %blocks administration page.</p>', array('%blocks' => l(t('blocks'), 'admin/block')));
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case 'admin/menu/item/add':
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return t('<p>Enter the title, path, position and the weight for your new menu item.</p>');
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}
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}
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/**
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* Implementation of hook_block().
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*/
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function menu_block($op = 'list', $delta = 0) {
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$menu = menu_get_menu();
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if ($op == 'list') {
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$blocks = array();
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foreach ($menu['items'][0]['children'] as $mid) {
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// Default "Navigation" block is handled by user.module.
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if ($mid != 1) {
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$blocks[$mid]['info'] = $menu['items'][$mid]['title'];
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}
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}
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return $blocks;
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}
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else if ($op == 'view') {
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$data['subject'] = $menu['items'][$delta]['title'];
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$data['content'] = '<div class="menu">'. theme('menu_tree', $delta) .'</div>' ;
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return $data;
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}
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}
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/**
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* Implementation of hook_nodeapi().
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*/
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function menu_nodeapi(&$node, $op) {
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if (user_access('administer menu')) {
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switch ($op) {
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case 'form':
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$edit = isset($_POST['edit']) ? $_POST['edit'] : '';
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$edit['nid'] = isset($node->nid) ? $node->nid : '';
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return menu_node_form($edit);
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break;
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case 'insert':
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case 'update':
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if ($node->menu['delete']) {
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menu_node_form_delete($node);
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menu_rebuild();
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}
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elseif ($node->menu['title']) {
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$node->menu['path'] = ($node->menu['path']) ? $node->menu['path'] : "node/$node->nid";
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menu_edit_item_save($node->menu);
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menu_rebuild();
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}
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break;
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case 'delete':
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menu_node_form_delete($node);
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menu_rebuild();
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break;
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}
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}
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}
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/**
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* Implementation of hook_perm().
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*/
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function menu_perm() {
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return array('administer menu');
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}
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/**
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* Menu callback; present the main menu management page.
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*/
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function menu_overview() {
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menu_rebuild();
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return menu_overview_tree();
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}
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/**
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* Menu callback; clear the database, resetting the menu to factory defaults.
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*/
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function menu_reset() {
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$op = isset($_POST['op']) ? $_POST['op'] : '';
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switch ($op) {
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case t('Reset all'):
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db_query('DELETE FROM {menu}');
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drupal_set_message(t('The menu items have been reset to their default settings.'));
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drupal_goto('admin/menu');
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break;
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default:
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return confirm_form('menu_confirm_reset', array(),
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t('Are you sure you want to reset all menu items to their default settings?'),
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'admin/menu', t('Any custom additions or changes to the menu will be lost.'),
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t('Reset all'));
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}
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}
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/**
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* Menu callback; handle the adding of a new menu.
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*/
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function menu_add_menu() {
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$op = isset($_POST['op']) ? $_POST['op'] : '';
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$edit = isset($_POST['edit']) ? $_POST['edit'] : '';
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$output = '';
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switch ($op) {
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case t('Submit'):
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menu_edit_item_validate($edit);
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if (!form_get_errors()) {
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menu_edit_item_save($edit);
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drupal_goto('admin/menu');
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}
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// Fall through.
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default:
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$edit['pid'] = 0;
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$edit['type'] = MENU_CUSTOM_MENU;
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$output .= menu_edit_item_form($edit);
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}
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return $output;
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}
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/**
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* Menu callback; reset a single modified item.
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*/
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function menu_reset_item($mid) {
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$op = isset($_POST['op']) ? $_POST['op'] : '';
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switch ($op) {
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case t('Reset'):
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db_query('DELETE FROM {menu} WHERE mid = %d', $mid);
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drupal_set_message(t("The menu item was reset to its default settings."));
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drupal_goto('admin/menu');
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break;
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default:
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$title = db_result(db_query('SELECT title FROM {menu} WHERE mid = %d', $mid));
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return confirm_form('menu_item_confirm_reset', array(),
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t('Are you sure you want to reset the item %item to its default values?', array('%item' => theme('placeholder', $title))),
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'admin/menu', t('Any customizations will be lost. This action cannot be undone.'),
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t('Reset'));
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}
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}
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/**
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* Menu callback; delete a single custom item.
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*/
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function menu_delete_item($mid) {
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$op = isset($_POST['op']) ? $_POST['op'] : '';
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$result = db_query('SELECT type, title FROM {menu} WHERE mid = %d', $mid);
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$menu = db_fetch_object($result);
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if (!$menu) {
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drupal_goto('admin/menu');
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}
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switch ($op) {
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case t('Delete'):
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db_query('DELETE FROM {menu} WHERE mid = %d', $mid);
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if ($menu->type & MENU_IS_ROOT) {
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drupal_set_message(t('The menu has been removed.'));
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}
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else {
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drupal_set_message(t('The menu item has been removed.'));
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}
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drupal_goto('admin/menu');
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break;
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default:
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if ($menu->type & MENU_IS_ROOT) {
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$message = t('Are you sure you want to delete the menu %item?', array('%item' => theme('placeholder', $menu->title)));
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}
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else {
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$message = t('Are you sure you want to delete the custom menu item %item?', array('%item' => theme('placeholder', $menu->title)));
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}
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return confirm_form('menu_confirm_delete', $form, $message, 'admin/menu', t('This action cannot be undone.'), t('Delete'));
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}
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}
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/**
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* Menu callback; hide a menu item.
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*/
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function menu_disable_item($mid) {
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$menu = menu_get_menu();
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$type = $menu['items'][$mid]['type'];
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$type &= ~MENU_VISIBLE_IN_TREE;
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$type &= ~MENU_VISIBLE_IN_BREADCRUMB;
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$type |= MENU_MODIFIED_BY_ADMIN;
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db_query('UPDATE {menu} SET type = %d WHERE mid = %d', $type, $mid);
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drupal_set_message(t('The menu item has been disabled.'));
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drupal_goto('admin/menu');
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}
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/**
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* Menu callback; dispatch to the appropriate menu item edit function.
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*/
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function menu_edit_item($mid = 0) {
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$op = isset($_POST['op']) ? $_POST['op'] : '';
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$edit = isset($_POST['edit']) ? $_POST['edit'] : '';
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$output = '';
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switch ($op) {
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case t('Submit'):
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menu_edit_item_validate($edit);
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if (!form_get_errors()) {
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menu_edit_item_save($edit);
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drupal_goto('admin/menu');
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}
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$output .= menu_edit_item_form($edit);
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break;
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default:
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if ($mid > 0) {
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$item = db_fetch_object(db_query('SELECT * FROM {menu} WHERE mid = %d', $mid));
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$edit['mid'] = $item->mid;
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$edit['pid'] = $item->pid;
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$edit['path'] = $item->path;
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$edit['title'] = $item->title;
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$edit['description'] = $item->description;
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$edit['weight'] = $item->weight;
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$edit['type'] = $item->type;
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}
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else {
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$edit['mid'] = 0; // In case a negative ID was passed in.
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$edit['pid'] = 1; // default to "Navigation" menu.
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$edit['type'] = MENU_CUSTOM_ITEM;
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}
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$output .= menu_edit_item_form($edit);
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}
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return $output;
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}
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/**
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* Present the menu item editing form.
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*/
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function menu_edit_item_form($edit) {
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$menu = menu_get_menu();
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$form['title'] = array('#type' => 'textfield', '#title' => t('Title'), '#default_value' => $edit['title'], '#size' => 60, '#maxlength' => 128, '#description' => t('The name of the menu.'), '#required' => TRUE);
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if ($edit['pid'] == 0) {
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// Display a limited set of fields for menus (not items).
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$form['path'] = array('#type' => 'hidden', '#value' => '');
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$form['pid'] = array('#type' => 'hidden', '#value' => 0);
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$form['weight'] = array('#type' => 'hidden', '#value' => 0);
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}
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else {
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$form['description'] = array('#type' => 'textfield', '#title' => t('Description'), '#default_value' => $edit['description'], '#size' => 60, '#maxlength' => 128, '#description' => t('The description displayed when hovering over a menu item.'));
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$path_description = t('The Drupal path this menu item links to.');
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if (isset($edit['path']) && array_key_exists($edit['path'], $menu['path index']) && $menu['path index'][$edit['path']] != $edit['mid']) {
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$old_mid = $menu['path index'][$edit['path']];
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$old_item = $menu['items'][$old_mid];
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$path_description .= "\n". t('Since a menu item "%old" already exists for "%path", this menu item is shortcut to that location.', array('%old' => l($old_item['title'], 'admin/menu/item/edit/'. $old_mid), '%path' => $edit['path']));
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}
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if ($edit['type'] & MENU_CREATED_BY_ADMIN) {
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$form['path'] = array('#type' => 'textfield', '#title' => t('Path'), '#default_value' => $edit['path'], '#size' => 60, '#maxlength' => 128, '#description' => $path_description, '#required' => TRUE);
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}
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else {
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$form['_path'] = array('#type' => 'item', '#title' => t('Path'), '#title' => l($edit['path'], $edit['path']));
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$form['path'] = array('#type' => 'hidden', '#value' => $edit['path']);
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}
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$expanded = $edit['type'] & MENU_EXPANDED ? 1 : 0;
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$form['expanded'] = array('#type' => 'checkbox', '#title' => t('Expanded'), '#default_value' => $expanded, '#description' => t('If selected and this menu item has children, the menu will always appear expanded.'));
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// Generate a list of possible parents (not including this item or descendants).
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$options = menu_parent_options($edit['mid']);
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$form['pid'] = array('#type' => 'select', '#title' => t('Parent item'), '#default_value' => $edit['pid'], '#options' => $options);
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$form['weight'] = array('#type' => 'weight', '#title' => t('Weight'), '#default_value' => $edit['weight'], '#delta' => 10, '#description' => t('Optional. In the menu, the heavier items will sink and the lighter items will be positioned nearer the top.'));
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}
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$form['submit'] = array('#type' => 'submit', '#value' => t('Submit'));
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$form['mid'] = array('#type' => 'hidden', '#value' => $edit['mid']);
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// Always enable menu items (but not menus) when editing them.
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if (!($edit['type'] & MENU_IS_ROOT)) {
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$edit['type'] |= MENU_VISIBLE_IN_TREE | MENU_VISIBLE_IN_BREADCRUMB;
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}
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$form['type'] = array('#type' => 'hidden', '#value' => $edit['type']);
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return drupal_get_form('menu_edit_item_form', $form);
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}
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/**
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* Confirm that an edited menu item has fields properly filled in.
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*/
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function menu_edit_item_validate($edit) {
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if (empty($edit['title'])) {
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form_set_error('title', t('You must specify a title.'));
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}
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if ($edit['pid'] != 0) {
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if (empty($edit['path'])) {
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form_set_error('path', t('You must specify a path.'));
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}
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}
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}
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/**
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* Save changes to a menu item into the database.
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*/
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function menu_edit_item_save($edit) {
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$menu = menu_get_menu();
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if ($edit['expanded']) {
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$edit['type'] |= MENU_EXPANDED;
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}
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else {
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$edit['type'] &= ~MENU_EXPANDED;
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}
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if ($edit['mid']) {
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db_query("UPDATE {menu} SET pid = %d, path = '%s', title = '%s', description = '%s', weight = %d, type = %d WHERE mid = %d", $edit['pid'], $edit['path'], $edit['title'], $edit['description'], $edit['weight'], $edit['type'] | MENU_MODIFIED_BY_ADMIN, $edit['mid']);
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drupal_set_message(t('The menu item %title has been updated.', array('%title' => theme('placeholder', $edit['title']))));
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}
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else {
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$mid = db_next_id('{menu}_mid');
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db_query("INSERT INTO {menu} (mid, pid, path, title, description, weight, type) VALUES (%d, %d, '%s', '%s', '%s', %d, %d)", $mid, $edit['pid'], $edit['path'], $edit['title'], $edit['description'], $edit['weight'], $edit['type'] | MENU_MODIFIED_BY_ADMIN);
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drupal_set_message(t('The menu item %title has been created.', array('%title' => theme('placeholder', $edit['title']))));
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if (array_key_exists($edit['path'], $menu['path index'])) {
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$old_mid = $menu['path index'][$edit['path']];
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$old_item = $menu['items'][$old_mid];
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drupal_set_message(t('Since a menu item %old already exists for %path, this new menu item was created as a shortcut to that location.', array('%old' => l(theme('placeholder', $old_item['title']), 'admin/menu/item/edit/'. $old_mid, array(), NULL, NULL, FALSE, TRUE), '%path' => theme('placeholder', $edit['path']))));
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}
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}
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}
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/**
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* Present the menu tree, rendered along with links to edit menu items.
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*/
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function menu_overview_tree() {
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$menu = menu_get_menu();
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$header = array(t('Menu item'), t('Expanded'), array('data' => t('Operations'), 'colspan' => '3'));
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$output = '';
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foreach ($menu['items'][0]['children'] as $mid) {
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$operations = array();
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if ($menu['items'][$mid]['type'] & MENU_MODIFIABLE_BY_ADMIN) {
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$operations[] = l(t('edit'), 'admin/menu/item/edit/'. $mid);
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}
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if ($menu['items'][$mid]['type'] & MENU_CREATED_BY_ADMIN) {
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$operations[] = l(t('delete'), 'admin/menu/item/delete/'. $mid);
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}
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$table = theme('item_list', $operations);
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$table .= theme('table', $header, menu_overview_tree_rows($mid));
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$output .= theme('box', $menu['items'][$mid]['title'], $table);
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}
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return $output;
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}
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function menu_overview_tree_rows($pid = 0, $depth = 0) {
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$menu = menu_get_menu();
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$rows = array();
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if (isset($menu['items'][$pid]) && isset($menu['items'][$pid]['children'])) {
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usort($menu['items'][$pid]['children'], '_menu_sort');
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foreach ($menu['items'][$pid]['children'] as $mid) {
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// Populate the title field.
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$title = '';
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if ($pid == 0) {
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// Top-level items are menu names, and don't have an associated path.
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$title .= $menu['items'][$mid]['title'];
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}
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else {
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$title .= l($menu['items'][$mid]['title'], $menu['items'][$mid]['path']);
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}
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if ($depth > 0) {
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$title = '- '. $title;
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}
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for ($i = 1; $i < $depth; $i++) {
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$title = ' '. $title;
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}
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// Populate the operations field.
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$operations = array();
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if (!($menu['items'][$mid]['type'] & MENU_MODIFIABLE_BY_ADMIN)) {
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$operations[] = array('data' => t('locked'), 'colspan' => '3', 'align' => 'center');
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}
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else {
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if ($menu['items'][$mid]['type'] & MENU_VISIBLE_IN_TREE) {
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$operations[] = array('data' => l(t('edit'), 'admin/menu/item/edit/'. $mid));
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if ($menu['items'][$mid]['type'] & MENU_IS_ROOT) {
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// Disabling entire menus is done from block admin page.
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$operations[] = array('data' => '');
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}
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else {
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$operations[] = array('data' => l(t('disable'), 'admin/menu/item/disable/'. $mid));
|
|
}
|
|
}
|
|
else {
|
|
$operations[] = array('data' => '');
|
|
$operations[] = array('data' => l(t('enable'), 'admin/menu/item/edit/'. $mid));
|
|
}
|
|
|
|
if ($menu['items'][$mid]['type'] & MENU_CREATED_BY_ADMIN) {
|
|
$operations[] = array('data' => l(t('delete'), 'admin/menu/item/delete/'. $mid));
|
|
}
|
|
else if ($menu['items'][$mid]['type'] & MENU_MODIFIED_BY_ADMIN) {
|
|
$operations[] = array('data' => l(t('reset'), 'admin/menu/item/reset/'. $mid));
|
|
}
|
|
else {
|
|
$operations[] = array('data' => '');
|
|
}
|
|
}
|
|
|
|
// Call out disabled items.
|
|
if ($menu['items'][$mid]['type'] & MENU_VISIBLE_IN_TREE) {
|
|
$class = 'menu-enabled';
|
|
}
|
|
else {
|
|
$title .= ' ('. t('disabled') .')';
|
|
$class = 'menu-disabled';
|
|
}
|
|
|
|
if ($menu['items'][$mid]['type'] & (MENU_MODIFIABLE_BY_ADMIN | MENU_VISIBLE_IN_TREE)) {
|
|
$row = array(array('data' => $title, 'class' => $class), array('data' => ($menu['items'][$mid]['children'] ? (($menu['items'][$mid]['type'] & MENU_EXPANDED) ? t('Yes') : t('No')) : ''), 'class' => $class));
|
|
foreach ($operations as $operation) {
|
|
$operation['class'] = $class;
|
|
$row[] = $operation;
|
|
}
|
|
$rows[] = $row;
|
|
$rows = array_merge($rows, menu_overview_tree_rows($mid, $depth + 1));
|
|
}
|
|
else {
|
|
// Skip items that are hidden and locked; admins will never care about them.
|
|
$rows = array_merge($rows, menu_overview_tree_rows($mid, $depth));
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
return $rows;
|
|
}
|
|
|
|
/**
|
|
* Return a list of menu items that are valid possible parents for the
|
|
* given menu item.
|
|
*/
|
|
function menu_parent_options($mid, $pid = 0, $depth = 0) {
|
|
$menu = menu_get_menu();
|
|
|
|
$options = array();
|
|
|
|
if (isset($menu['items'][$pid]) && $menu['items'][$pid]['children']) {
|
|
usort($menu['items'][$pid]['children'], '_menu_sort');
|
|
foreach ($menu['items'][$pid]['children'] as $child) {
|
|
if ($child != $mid) {
|
|
if ($child > 0 && ($menu['items'][$child]['type'] & (MENU_MODIFIABLE_BY_ADMIN | MENU_IS_ROOT))) {
|
|
$title = ' '. $menu['items'][$child]['title'];
|
|
for ($i = 0; $i < $depth; $i++) {
|
|
$title = '--'. $title;
|
|
}
|
|
if (!($menu['items'][$child]['type'] & MENU_VISIBLE_IN_TREE)) {
|
|
$title .= ' ('. t('disabled') .')';
|
|
}
|
|
$options[$child] = $title;
|
|
}
|
|
$options += menu_parent_options($mid, $child, $depth + 1);
|
|
}
|
|
}
|
|
}
|
|
|
|
return $options;
|
|
}
|
|
|
|
/**
|
|
* Add menu item fields to the node form.
|
|
*/
|
|
function menu_node_form($edit = array()) {
|
|
$item = array();
|
|
if ($edit['nid'] > 0) {
|
|
$item = db_fetch_array(db_query("SELECT * FROM {menu} WHERE path = 'node/%d'", $edit['nid']));
|
|
if (is_array($edit['menu'])) {
|
|
$item = !is_array($item) ? $edit['menu'] : (($_POST['op'] == t('Preview')) ? array_merge($item, $edit['menu']) : array_merge($edit['menu'], $item));
|
|
}
|
|
}
|
|
|
|
$form['menu'] = array('#type' => 'fieldset', '#title' => t('Menu item settings'), '#collapsible' => TRUE, '#collapsed' => TRUE, '#tree' => TRUE);
|
|
|
|
$form['menu']['title'] = array('#type' => 'textfield', '#title' => t('Title'), '#default_value' => $item['title'], '#size' => 60, '#maxlength' => 128, '#description' => t('The name to display for this link.'));
|
|
|
|
// Generate a list of possible parents (not including this item or descendants).
|
|
$options = menu_parent_options($edit['mid']);
|
|
$form['menu']['pid'] = array('#type' => select, '#title' => t('Parent item'), '#default_value' => $item['pid'], '#options' => $options);
|
|
$form['menu']['description'] = array('#type' => 'hidden', '#value' => $item['description']);
|
|
$form['menu']['path'] = array('#type' => 'hidden', '#value' => $item['path']);
|
|
$form['menu']['weight'] = array('#type' => 'hidden', '#value' => $item['weight'] ? $item['weight'] : 0);
|
|
|
|
$form['menu']['mid'] = array('#type' => 'hidden', '#value' => $item['mid'] ? $item['mid'] : 0);
|
|
$form['menu']['type'] = array('#type' => 'hidden', '#value' => $item['type'] ? $item['type'] : MENU_CUSTOM_ITEM);
|
|
|
|
if ($item['mid'] > 0) {
|
|
$form['menu']['delete'] = array('#type' => 'checkbox', '#title' => t('Check to delete this menu item.'), '#default_value' => $item['delete']);
|
|
}
|
|
|
|
return $form;
|
|
}
|
|
|
|
/**
|
|
* Remove the menu item.
|
|
*/
|
|
function menu_node_form_delete($node) {
|
|
db_query("DELETE FROM {menu} WHERE path = 'node/%s'", $node->nid);
|
|
}
|
|
|