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<?php
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/**
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* Implementation of hook_help().
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*/
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function primary_links_help($section) {
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switch ($section) {
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case 'admin/modules#description':
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return t('This module provides some menu APIs that can be used in a theme');
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}
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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 primary_links_menu($may_cache) {
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if($may_cache) {
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$items[] = array('path' =>'admin/menu/primary',
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'title'=>t('Primary links'),
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'callback'=>'primary_links_config',
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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 $items;
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}
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/**
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* Configuration page.
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*/
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function primary_links_config() {
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$op = $_POST['op'];
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$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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variable_set('menu_primary_menu', $edit['menu_primary_menu']);
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drupal_set_message(t('primary menu saved'));
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//no break, becuase we want to show the form again.
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default:
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$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 $mid) {
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$options[$mid] = $menu['items'][$mid]['title'];
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}
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if(count($options) > 1) {
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$output .= form_radios(t('primary menu items'), 'menu_primary_menu', variable_get('menu_primary_menu', 0), $options, t('Choose a container for primary menu items.'), FALSE, $attributes = NULL);
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$output .= form_submit(t('Submit'));
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$output = form($output);
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}
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else {
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variable_set('menu_primary_menu', 0);
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drupal_set_message(t('You have only one container. The primary items are automatically set to use that container.'));
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}
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break;
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}
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print theme('page', $output);
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}
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/**
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* Generate the horizontal menu. Often referred to as primary and secondary links.
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*
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* @param $pid
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* The menu ID where to render from. All children of this menu item will be rendered,
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* but the item itself will be omitted.
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* defaults to NULL, meaning it will use the settings from menu.
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* @param $start_level
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* provide the number of levels under the pid you want to show your items.
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* For example, if you want to show the secondary items somewhere else, you call
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* theme_tabs_menu_tree with a $start_level 2.
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* @param $end_level
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* provide the number of levels under the pid you want to show children of your items.
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* For example, if you want to show the secondary and tertiary items somewhere else, you call
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* theme_tabs_menu_tree with a $start_level 2 and $end_level 3; Provide 'inf' if you want to show all items.
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* If you want only onle level , say level 2, give $start_level = 1 and $end_level = 1.
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* @param $show_empty
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* can be 'TRUE' or 'FALSE'
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* used to render an empty secondary link tab, if therre are no secondary items.
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* if no empty tab is rendered, it is very difficult to design the page in a consistant
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* way. Defaults to 'TRUE'
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*
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* @ingroup themeable
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*/
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function theme_tabs_menu_tree($pid = NULL, $start_level = 1, $end_level = 2, $show_empty = TRUE) {
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$menu = menu_get_menu();
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if (!$pid) {
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//normal sitution
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$pid = variable_get('menu_primary_menu', 1);
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}
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else {
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//we are dealing with a second row of primary tabs.
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static $active_level;
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}
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if (!$active_level) {
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$active_level = 1;
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}
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$tabs = '';
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while ($stop == FALSE) {
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$stop = TRUE;
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($start_level <= $active_level) ? $tabs .= "<ul class=\"tabs level-$active_level\">\n" : NULL;
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//walk trough all children.
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foreach ($menu['visible'][$pid]['children'] as $mid) {
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if (count($menu['visible'][$mid]['children'])) {
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if (menu_in_active_trail($mid)) {
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$active_mid = $mid;
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($end_level == 'inf' || ($active_level < $end_level)) ? $stop = FALSE : $stop = TRUE;
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$style = 'expanded';
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}
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else {
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$style = 'collapsed';
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}
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}
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else {
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$style = 'leaf';
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}
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if ($start_level <= $active_level) { //TODO: the $show_empty stuff must be in here.
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$tabs .= "\t\t<li class=\"$style level-$active_level\">". menu_item_link($mid) ."</li>\n";
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}
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}
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($start_level <= $active_level) ? $tabs .= "</ul>\n" : NULL;
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$pid = $active_mid;
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$active_level ++;
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}
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return $tabs;
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}
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?>
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