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#156626 by pwolanin: allow deletion of custom menus

6.x
Gábor Hojtsy 2007-07-25 14:44:03 +00:00
parent c7c88bbf3f
commit 50955e3801
2 changed files with 119 additions and 12 deletions
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7
includes/menu.inc
View File

@ -981,6 +981,13 @@ function menu_get_names($reset = FALSE) {
return $names;
}
/**
* Return an array containing the names of system-defined (default) menus.
*/
function menu_list_system_menus() {
return array('navigation', 'primary-links', 'secondary-links');
}
/**
* Return an array of links to be rendered as the Primary links.
*/

124
modules/menu/menu.module
View File

@ -86,6 +86,11 @@ function menu_menu() {
'page callback' => 'drupal_get_form',
'page arguments' => array('menu_edit_menu', 'edit', 3),
'type' => MENU_LOCAL_TASK);
$items['admin/build/menu-customize/%menu/delete'] = array(
'title' => 'Delete menu',
'page callback' => 'menu_delete_menu_page',
'page arguments' => array(3),
'type' => MENU_CALLBACK);
$items['admin/build/menu/item/%menu_link/disable'] = array(
'title' => 'Disable menu item',
'page callback' => 'menu_flip_item',
@ -104,12 +109,12 @@ function menu_menu() {
$items['admin/build/menu/item/%menu_link/reset'] = array(
'title' => 'Reset menu item',
'page callback' => 'drupal_get_form',
'page arguments' => array('menu_reset_item', 4),
'page arguments' => array('menu_reset_item_confirm', 4),
'type' => MENU_CALLBACK);
$items['admin/build/menu/item/%menu_link/delete'] = array(
'title' => 'Delete menu item',
'page callback' => 'drupal_get_form',
'page arguments' => array('menu_item_delete_form', 4),
'page callback' => 'menu_item_delete_page',
'page arguments' => array(4),
'type' => MENU_CALLBACK);
return $items;
@ -133,6 +138,7 @@ function menu_enable() {
$link['link_path'] = 'admin/build/menu-customize/'. $menu['menu_name'];
menu_link_save($link);
}
menu_cache_clear_all();
}
/**
@ -405,6 +411,13 @@ function menu_edit_menu(&$form_state, $type, $menu = array()) {
if ($type == 'edit') {
$form['menu_name'] = array('#type' => 'value', '#value' => $menu['menu_name']);
$form['#insert'] = FALSE;
$form['delete'] = array(
'#type' => 'submit',
'#value' => t('Delete'),
'#access' => !in_array($menu['menu_name'], menu_list_system_menus()),
'#submit' => array('menu_custom_delete_submit'),
'#weight' => 10,
);
}
else {
$menu = array('menu_name' => '', 'title' => '', 'description' => '');
@ -436,6 +449,72 @@ function menu_edit_menu(&$form_state, $type, $menu = array()) {
return $form;
}
/**
* Submit function for the 'Delete' button on the menu editing form.
*/
function menu_custom_delete_submit($form, &$form_state) {
$form_state['redirect'] = 'admin/build/menu-customize/'. $form_state['values']['menu_name'] .'/delete';
}
/**
* Menu callback; check access and get a confirm form for deletion of a custom menu.
*/
function menu_delete_menu_page($menu) {
// System-defined menus may not be deleted.
if (in_array($menu['menu_name'], menu_list_system_menus())) {
drupal_access_denied();
return;
}
return drupal_get_form('menu_delete_menu_confirm', $menu);
}
/**
* Build a confirm form for deletion of a custom menu.
*/
function menu_delete_menu_confirm(&$form_state, $menu) {
$form['#menu'] = $menu;
$caption = '';
$num_links = db_result(db_query("SELECT COUNT(*) FROM {menu_links} WHERE menu_name = '%s'", $menu['menu_name']));
if ($num_links) {
$caption .= '<p>'. format_plural($num_links, '<strong>Warning:</strong> There is currently 1 menu item in %title. It will be deleted (system-defined items will be reset).', '<strong>Warning:</strong> There are currently @count menu items in %title. They will be deleted (system-defined items will be reset).', array('%title' => $menu['title'])) .'</p>';
}
$caption .= '<p>'. t('This action cannot be undone.') .'</p>';
return confirm_form($form, t('Are you sure you want to delete the custom menu %title?', array('%title' => $menu['title'])), 'admin/build/menu-customize/'. $menu['menu_name'], $caption, t('Delete'));
}
/**
* Delete a custom menu and all items in it.
*/
function menu_delete_menu_confirm_submit($form, &$form_state) {
$menu = $form['#menu'];
$form_state['redirect'] = 'admin/build/menu';
// System-defined menus may not be deleted - only menus defined by this module.
if (in_array($menu['menu_name'], menu_list_system_menus()) || !db_result(db_query("SELECT COUNT(*) FROM {menu_custom} WHERE menu_name = '%s'", $menu['menu_name']))) {
return;
}
// Reset all the menu links defined by the system via hook_menu.
$result = db_query("SELECT * FROM {menu_links} ml INNER JOIN {menu_router} m ON ml.router_path = m.path WHERE ml.menu_name = '%s' AND ml.module = 'system' ORDER BY m.number_parts ASC", $menu['menu_name']);
while ($item = db_fetch_array($result)) {
menu_reset_item($item);
}
// Delete all links to the overview page for this menu.
$result = db_query("SELECT mlid FROM {menu_links} ml WHERE ml.link_path = '%s'", 'admin/build/menu-customize/'. $menu['menu_name']);
while ($m = db_fetch_array($result)) {
menu_link_delete($m['mlid']);
}
// Delete all the links in the menu and the menu from the list of custom menus.
db_query("DELETE FROM {menu_links} WHERE menu_name = '%s'", $menu['menu_name']);
db_query("DELETE FROM {menu_custom} WHERE menu_name = '%s'", $menu['menu_name']);
// Delete all the blocks for this menu.
db_query("DELETE FROM {blocks} WHERE module = 'menu' AND delta = '%s'", $menu['menu_name']);
db_query("DELETE FROM {blocks_roles} WHERE module = 'menu' AND delta = '%s'", $menu['menu_name']);
menu_cache_clear_all();
cache_clear_all();
$t_args = array('%title' => $menu['title']);
drupal_set_message(t('The custom menu %title has been deleted.', $t_args));
watchdog('menu', 'Deleted custom menu %title and all its menu items.', $t_args, WATCHDOG_NOTICE);
}
/**
* Validates the human and machine-readable names when adding or editing a menu.
*/
@ -484,12 +563,21 @@ function menu_edit_menu_submit($form, &$form_state) {
}
/**
* Menu callback; Build a confirm form for deletion of a single menu link.
* Menu callback; Check access and present a confirm form for deleting a menu link.
*/
function menu_item_delete_form(&$form_state, $item) {
function menu_item_delete_page($item) {
// Links defined via hook_menu may not be deleted.
if ($item['module'] == 'system') {
drupal_access_denied();
return;
}
return drupal_get_form('menu_item_delete_form', $item);
}
/**
* Build a confirm form for deletion of a single menu link.
*/
function menu_item_delete_form(&$form_state, $item) {
$form['#item'] = $item;
return confirm_form($form, t('Are you sure you want to delete the custom menu item %item?', array('%item' => $item['link_title'])), 'admin/build/menu-customize/'. $item['menu_name']);
}
@ -509,7 +597,7 @@ function menu_item_delete_form_submit($form, &$form_state) {
/**
* Menu callback; reset a single modified item.
*/
function menu_reset_item(&$form_state, $item) {
function menu_reset_item_confirm(&$form_state, $item) {
$form['item'] = array('#type' => 'value', '#value' => $item);
return confirm_form($form, t('Are you sure you want to reset the item %item to its default values?', array('%item' => $item['link_title'])), 'admin/build/menu-customize/'. $item['menu_name'], t('Any customizations will be lost. This action cannot be undone.'), t('Reset'));
}
@ -517,16 +605,24 @@ function menu_reset_item(&$form_state, $item) {
/**
* Process menu reset item form submissions.
*/
function menu_reset_item_submit($form, &$form_state) {
function menu_reset_item_confirm_submit($form, &$form_state) {
$item = $form_state['values']['item'];
$new_item = menu_reset_item($item);
drupal_set_message(t('The menu item was reset to its default settings.'));
$form_state['redirect'] = 'admin/build/menu-customize/'. $new_item['menu_name'];
}
/**
* Reset a system-defined menu item.
*/
function menu_reset_item($item) {
$router = menu_router_build();
$new_item = _menu_link_build($router[$item['router_path']]);
foreach (array('mlid', 'has_children') as $key) {
$new_item[$key] = $item[$key];
}
menu_link_save($new_item);
drupal_set_message(t('The menu item was reset to its default settings.'));
$form_state['redirect'] = 'admin/build/menu-customize/'. $new_item['menu_name'];
return $new_item;
}
/**
@ -682,9 +778,13 @@ function menu_node_form_submit($form, &$form_state) {
* titles as the values.
*/
function menu_get_menus($all = TRUE) {
$sql = 'SELECT * FROM {menu_custom}'. ($all ? '' : " WHERE menu_name NOT IN ('navigation', 'primary-links', 'secondary-links')") .' ORDER BY title';
$result = db_query($sql);
$system_menus = menu_list_system_menus();
$sql = 'SELECT * FROM {menu_custom}';
if (!$all) {
$sql .= ' WHERE menu_name NOT IN ('. implode(',', array_fill(0, count($system_menus), "'%s'")) .')';
}
$sql .= ' ORDER BY title';
$result = db_query($sql, $system_menus);
$rows = array();
while ($r = db_fetch_array($result)) {
$rows[$r['menu_name']] = $r['title'];