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added special menu items module

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Bachir Soussi Chiadmi 2015-11-24 15:29:54 +01:00
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GNU GENERAL PUBLIC LICENSE
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Special Menu Items Module
------------------------
Written by Tamir Al Zoubi and Karim Djelid - Servit Open Source Solutions - www.servit.ch
Description
-----------
Special Menu Items is module that enables placeholder and separator menu items.Placeholder is a menu item which is
actually not a link. Something like this is useful with drop down menus where we want to have a parent link which
is actually not linking to a page but which is just acting as a parent grouping some children below it.
A separator menu item is something like "-------" which is also not linking anywhere but merely a mean to structure menus.
This module depends on the Menu module. It is recommended that the SimpleMenu module or another drop down menu module
is used, or you will not be able to acess children of nolink menu items.
Features
--------
- User can create a new menu item and place either "<nolink>" or "<separator>" in the Path field, without quotes.
- When the menu is rendered the "nolink" item will be rendered similar to a normal menu link item, but there will
be no link, just the title. Since version 1.3 you can change HTML tag used for menu item.
- When the menu is rendered the "separator" item will be rendered as an item which has no link,
and the default title will be "-------". Since version 1.3 it is possible to change both the HTML tag and title.
- Breadcrumb of "<nolink>" will be rendered same as "<nolink>" menu item.
- CSS class "nolink" is added to "<nolink>" menu item.
- CSS class "seperator" is added to "<seperator>" menu item.
- Compatible with the Sitemap module.
Installation
------------
1. Copy the special_menu_items folder to your sites/all/modules directory.
2. At Administer -> Site building -> Modules (admin/modules) enable the module.
3. Configure the module settings at Administer -> Site configuration -> Special Menu Items (admin/config/system/special_menu_items).
Upgrading
---------
Just overwrite (or replace) the older special_menu_items folder with the newer version.
Contact
-------
This module is developed by Servit Open Source Solutions - http://servit.ch
and maintained by Khaled Zaidan - zaidan@servit.ch

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name = Special menu items
description = "Allow users to add placeholder and/or separator menu items."
core = 7.x
dependencies[] = menu
configure = admin/config/system/special_menu_items
; Information added by drupal.org packaging script on 2012-09-04
version = "7.x-2.0"
core = "7.x"
project = "special_menu_items"
datestamp = "1346788411"

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<?php
/**
* Implementation of hook_uninstall().
*/
function special_menu_items_uninstall() {
variable_del('special_menu_items_nolink_tag');
variable_del('special_menu_items_seperator_tag');
variable_del('special_menu_items_seperator_value');
variable_del('special_menu_items_menu_item_link');
}
/**
* "nolink" to <nolink> and "separator" to <separator>
*/
function special_menu_items_update_7000(&$sandbox){
//change "nolink" to <nolink>
db_update('menu_links')
->fields(array(
'link_path' => '<nolink>',
'router_path' => '<nolink>',
))
->condition('router_path', 'nolink', '=')
->execute();
//change "separator" to <separator>
db_update('menu_links')
->fields(array(
'link_path' => '<separator>',
'router_path' => '<separator>',
))
->condition('router_path', 'separator', '=')
->execute();
//we don't need this variable anymore
variable_del('special_menu_items_menu_item_link');
}

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<?php
/**
* @file
* Module to enable placeholder or separator menu items.Placeholder is a menu item which is
* actually not a link. Something like this is useful with drop down menus where we want to
* have a parent link which is actually not linking to a page but which is just acting as a
* parent and grouping some children below it.
* A separator menu item is something like "-------" which is also not linking anywhere but
* merely a mean to structure menus.
*
* Written by Tamir Al Zoubi and Karim Djelid - Servit Open Source Solutions - www.servit.ch
*/
/**
*Implementation of hook_menu()
*/
function special_menu_items_menu() {
$items['<nolink>'] = array(
'page callback' => 'drupal_not_found',
'access callback' => TRUE,
'type' => MENU_CALLBACK,
);
$items['<separator>'] = array(
'page callback' => 'drupal_not_found',
'access callback' => TRUE,
'type' => MENU_CALLBACK,
);
$items['admin/config/system/special_menu_items'] = array(
'title' => 'Special Menu Items',
'description' => 'Configure Special Menu Items.',
'page callback' => 'drupal_get_form',
'page arguments' => array('special_menu_items_admin_settings_form'),
'access arguments' => array('administer site configuration'),
'type' => MENU_NORMAL_ITEM,
);
return $items;
}
/**
* Override of theme_link()
* This function will render link if it is "nolink" or "separator". Otherwise it will call originally
* overwritten menu_item_link function.
*/
function special_menu_items_link(array $variables) {
if (in_array($variables['path'], array('<nolink>', '<separator>'))) {
switch ($variables['path']) {
case '<nolink>':
$tag = variable_get('special_menu_items_nolink_tag', '<span>');
$title = $variables['options']['html'] ? $variables['text'] : check_plain($variables['text']);
$variables['options']['attributes']['class'][] = 'nolink';
break;
case '<separator>':
$tag = variable_get('special_menu_items_separator_tag', '<span>');
$title = variable_get('special_menu_items_separator_value', '<hr>');
$variables['options']['attributes']['class'][] = 'separator';
break;
}
$attributes = drupal_attributes($variables['options']['attributes']);
if ($tag != '<a>') {
// <a> tags can have these but a <span> cannot, so we remove them.
foreach (array('accesskey', 'target', 'rel', 'name') as $attribute) {
$attributes = preg_replace("/ $attribute=\".*\"/i", "", $attributes);
}
}
return special_menu_items_render_menu_item($tag, $title, $attributes);
}
// Call the original theme function for normal menu link.
return theme('special_menu_items_link_default', $variables);
}
/**
* Returns menu item rendered.
*/
function special_menu_items_render_menu_item($tag, $value, $attrs = array()) {
// $attrs may be a string already or an array
if (is_array($attrs)) {
$attrs = drupal_attributes($attrs);
}
$length = strlen($tag);
if ($tag[0] == '<' && $tag[$length - 1] == '>') {
$tag = substr($tag, 1, $length-2);
}
$closingtag = explode(' ', $tag,2);
$closingtag = '</' . $closingtag[0] . '>';
$tag = '<' . $tag . $attrs . '>';
return $tag . $value . $closingtag;
}
/**
* Implementation of hook_theme_registry_alter()
* We replace theme_menu_item_link with our own function.
*/
function special_menu_items_theme_registry_alter(&$registry) {
// Save previous value from registry in case another theme overwrites menu_item_link
$registry['special_menu_items_link_default'] = $registry['link'];
$registry['link']['function'] = 'special_menu_items_link';
}
/**
* Implementation of hook_form_FROM_ID_alter()
* Description changed, added nolink and separator as path types.
*/
function special_menu_items_form_menu_edit_item_alter(&$form, &$form_state) {
// Some menu items have a pre-defined path which cannot be modified hence no default_value
if (isset($form['link_path']['#default_value'])) {
$default_value = $form['link_path']['#default_value'];
if (preg_match('/^<nolink>\/[0-9]+$/', $default_value)) {
$default_value = '<nolink>';
}
elseif (preg_match('/^<separator>\/[0-9]+$/', $default_value)) {
$default_value = '<separator>';
}
$form['link_path']['#default_value'] = $default_value;
$form['link_path']['#description'] .= ' ' . t('Enter "%nolink" to generate non-linkable item, enter "%separator" to generate separator item.', array('%nolink' => '<nolink>', '%separator' => '<separator>'));
}
}
/**
* Implementation of hook_init().
*/
function special_menu_items_init() {
// Make breadcrumb of nolink menu item nonlinkable.
$breadcrumb = drupal_get_breadcrumb();
foreach($breadcrumb as $key => $crumb){
if (strlen(strstr($crumb,'<nolink>')) > 0) {
$crumb = strip_tags($crumb);
$tag = variable_get('special_menu_items_nolink_tag', '<span>');
$breadcrumb[$key] = special_menu_items_render_menu_item($tag, $crumb);
}
}
drupal_set_breadcrumb($breadcrumb);
}
/**
* Special Menu Items admin settings form.
*
* @return
* The settings form used by Special Menu Items.
*/
function special_menu_items_admin_settings_form() {
$form['special_menu_items_nolink_tag'] = array(
'#type' => 'textfield',
'#title' => t('HTML tag for "nolink"'),
'#description' => t('By default, Special Menu Items will use a span tag for the nolink menu item. Here you can specify your own tag.'),
'#default_value' => variable_get('special_menu_items_nolink_tag', '<span>'),
);
$form['special_menu_items_separator_tag'] = array(
'#type' => 'textfield',
'#title' => t('HTML tag for "separator"'),
'#description' => t('By default, Special Menu Items will use a span tag for the separator menu item. Here you can specify your own tag.'),
'#default_value' => variable_get('special_menu_items_separator_tag', '<span>'),
);
$form['special_menu_items_separator_value'] = array(
'#type' => 'textfield',
'#title' => t('Value to be displayed for the "separator"'),
'#description' => t('By default, Special Menu Items will use a "&lt;hr&gt;" value for the separator. You can specify your own value for the separator.'),
'#default_value' => variable_get('special_menu_items_separator_value', '<hr>'),
);
return system_settings_form($form);
}
/**
* Implements hook_menu_link_update()
*
*/
/*
function special_menu_items_menu_link_update($link) {
//do all links in db
global $db_type;
if ($db_type == 'pgsql') {
db_query("UPDATE {menu_links} SET link_path=link_path||'/'||mlid WHERE (link_path='<nolink>' OR link_path='<separator>') AND hidden != -1");
}
else {
db_query("UPDATE {menu_links} SET link_path=CONCAT(CONCAT(link_path,'/'),mlid) WHERE (link_path='<nolink>' OR link_path='<separator>') AND hidden!=-1");
}
}
*
*/