This is a simple module that enables the site to have drop down css/javascript menus for site navigation and admin navigation.Remember to activate and configure the menus in !link
', array('!link' => l('admin/build/block', 'admin/build/block')));
break;
}
return $output;
}
/**
* Implementation of hook_form_alter().
*/
function nice_menus_form_alter($form_id, &$form) {
switch ($form_id) {
case 'system_theme_settings':
// This is a global setting, so only insert the field
// on the global settings page.
if (arg(4)) {
return;
}
// Have to add a custom submit handler since this form doesn't use
// the standard system submit handler.
$form['#submit'] += array('nice_menus_system_theme_settings_submit' => array());
// Add global theme setting for a custom CSS file.
$form['nice_menus_custom_css'] = array(
'#type' => 'textfield',
'#title' => t('Path to custom Nice Menus CSS file'),
'#description' => t('To override the default Nice Menus CSS layout, enter the path to your custom CSS file. It should be a relative path from the root of your Drupal install (e.g. sites/all/themes/example/mymenu.css).'),
'#default_value' => variable_get('nice_menus_custom_css', ''),
// Field appears below submit buttons without this -- yucky.
'#weight' => 0,
);
break;
}
}
/**
* Records the nice menu custom CSS file per theme.
*/
function nice_menus_system_theme_settings_submit($form_id, $form_values) {
variable_set('nice_menus_custom_css', $form_values['nice_menus_custom_css']);
}
/**
* Implemention of hook_menu().
*/
function nice_menus_menu($may_cache) {
if (!$may_cache) {
// We only want to include the JS for IE and not browsers
// capable of doing everything in css. We have to put all the JS
// in drupal_set_html_head so they get called in the right order.
drupal_set_html_head('');
// Add main CSS functionality.
drupal_add_css(drupal_get_path('module', 'nice_menus') .'/nice_menus.css');
// Add custom CSS layout if specified.
if ($custom = variable_get('nice_menus_custom_css', '')) {
drupal_add_css($custom);
}
// Fall back to default layout.
else {
drupal_add_css(drupal_get_path('module', 'nice_menus') .'/nice_menus_default.css');
}
}
else {
$items[] = array(
'path' => 'admin/settings/nice_menus',
'title' => t('Nice Menus'),
'description' => t('Configure Nice Menus.'),
'callback' => 'drupal_get_form',
'callback arguments' => array('nice_menus_admin_settings'),
'access' => user_access('administer site configuration'),
'type' => MENU_NORMAL_ITEM,
);
}
return $items;
}
/**
* Settings form as implemented by hook_menu
*/
function nice_menus_admin_settings() {
$form['nice_menus_number'] = array(
'#type' => 'select',
'#title' => t('Number of Nice Menus'),
'#description' => t('The total number of independent nice menus (blocks) you want.'),
'#default_value' => variable_get('nice_menus_number', '2'),
'#options' => drupal_map_assoc(array(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10)),
);
return system_settings_form($form);
}
/**
* Implementation of hook_block().
*/
function nice_menus_block($op = 'list', $delta = 0, $edit = array()) {
global $user;
switch ($op) {
case 'list':
for ($i=1; $i <= variable_get('nice_menus_number', '2'); $i++) {
$blocks[$i]['info'] = variable_get('nice_menus_name_'. $i, 'Nice Menu '. $i) .' (Nice Menu)';
}
return $blocks;
break;
case 'configure':
$form['nice_menus_name_'. $delta] = array(
'#type' => 'textfield',
'#title' => t('Menu Name'),
'#default_value' => variable_get('nice_menus_name_'. $delta, 'Nice Menu '. $delta),
);
$form['nice_menus_menu_'. $delta] = array(
'#type' => 'select',
'#title' => t('Source Menu Tree'),
'#description' => t('The menu tree from which to show a nice menu.'),
'#default_value' => variable_get('nice_menus_menu_'. $delta, '1'),
'#options' => menu_parent_options(0, 0),
);
$form['nice_menus_type_'. $delta] = array(
'#type' => 'select',
'#title' => t('Menu Style'),
'#description' => t('right: menu items are listed on top of each other and expand to the right') .'
'. t('left: menu items are listed on top of each other and expand to the left') .'
'. t('down: menu items are listed side by side and expand down'),
'#default_value' => variable_get('nice_menus_type_'. $delta, 'right'),
'#options' => drupal_map_assoc(array('right', 'left', 'down')),
);
$form['nice_menus_depth_'. $delta] = array(
'#type' => 'select',
'#title' => t('Maximum Depth'),
'#description' => t('the depth of the menu, starting with the parent selected above to be displayed. this allows primary/secondary links functionality. if unsure, just leave this at -1 which will show all items.'),
'#default_value' => variable_get('nice_menus_depth_'. $delta, -1),
'#options' => drupal_map_assoc(range(-1,5))
);
return $form;
break;
case 'save':
variable_set('nice_menus_name_'. $delta, $edit['nice_menus_name_'. $delta]);
variable_set('nice_menus_menu_'. $delta, $edit['nice_menus_menu_'. $delta]);
variable_set('nice_menus_type_'. $delta, $edit['nice_menus_type_'. $delta]);
variable_set('nice_menus_depth_'. $delta, $edit['nice_menus_depth_'.$delta]);
break;
case 'view':
// Build the nice menu for the block.
$pid = variable_get('nice_menus_menu_'. $delta, '1');
$direction = variable_get('nice_menus_type_'. $delta, 'right');
$depth = variable_get('nice_menus_depth_'.$delta, '-1');
if ($output = theme('nice_menu', $delta, $depth, $pid, $direction)) {
$block['content'] = $output['content'];
if (variable_get('nice_menus_type_'. $delta, 'right') == 'down') {
$class = 'nice-menu-hide-title';
}
else {
$class = 'nice-menu-show-title';
}
// If we're building the navigation block
// use the same block title logic as menu module.
if ($output['subject'] == t('Navigation') && $user->uid) {
$subject = $user->name;
}
else {
$subject = $output['subject'];
}
$block['subject'] = ''. check_plain($subject) .'';
}
else {
$block['content'] = false;
}
return $block;
break;
}
}
/**
* Builds the inner portion of a nice menu.
*
* @param $pid
* The parent menu ID from which to build the items.
* @param $menu
* Optional. A custom menu array to use for theming --
* it should have the same structure as that returned by menu_get_menu().
* @return
* An HTML string of properly nested nice menu lists.
*/
function theme_nice_menu_tree($pid = 1, $depth = -1, $deep = 0, $menu = NULL) {
$menu = isset($menu) ? $menu : menu_get_menu();
$output['content'] = '';
$output['subject'] = $menu['items'][$pid]['title'];
if ($menu['visible'][$pid]['children']) {
// Build class name based on menu path
// e.g. to give each menu item individual style.
$i = 0;
foreach ($menu['visible'][$pid]['children'] as $mid) {
// Strip funny symbols
$clean_path = str_replace(array('http://', '<', '>', '&', '=', '?', ':'), '', $menu['items'][$mid]['path']);
// Convert slashes to dashes
$clean_path = str_replace('/', '-', $clean_path);
$path_class = 'menu-path-'. $clean_path;
if (count($menu['visible'][$mid]['children']) > 0 && $depth != 0) {
if ($deep < $depth || $depth == -1) {
$output['content'] .= '\n";
}
else {
$output['content'] .= ''."\n";
}
$i += 1;
}
else {
$output['content'] .= ''."\n";
}
}
}
return $output;
}
/**
* General theming function to allow any menu tree to be themed
* as a nice menu.
*
* @param $id
* The nice menu ID.
* @param $pid
* The parent menu ID from which to build the nice menu
* @param $direction
* Optional. The direction the menu expands. Default is 'right'.
* @param $depth
* Optional. The direction the menu expands. Default is 'right'.
* @param $menu
* Optional. A custom menu array to use for theming --
* it should have the same structure
* as that returned by menu_get_menu(). Default is the standard menu tree.
* @return
* An HTML string of nice menu links.
*/
function theme_nice_menu($id, $depth = -1, $pid, $direction = 'right', $menu = NULL) {
$output = array();
if ($menu_tree = theme('nice_menu_tree', $pid, $depth, $menu)) {
if ($menu_tree['content']) {
$output['content'] = ''."\n";
$output['subject'] = $menu_tree['subject'];
}
}
return $output;
}
/**
* Theme primary links as nice menus
*
* @param $direction
* Optional. The direction the menu expands. Default is 'down'.
* @param $menu
* Optional. A custom menu array to use for theming --
* it should have the same structure
* as that returned by menu_get_menu(). Default is the standard menu tree.
* @return
* An HTML string of nice menu primary links.
*/
function theme_nice_menu_primary_links($direction = 'down', $menu = NULL) {
$pid = variable_get('menu_primary_menu', 0);
$output = theme('nice_menu', 'primary', $pid, $direction, $menu);
return $output['content'];
}