menu_attributes.module in Menu Attributes 6
Same filename and directory in other branches
Alters the menu item form to allow the administrator to specify additional attributes for the menu link
File
menu_attributes.moduleView source
<?php
/**
* @file
* Alters the menu item form to allow the administrator to specify additional
* attributes for the menu link
*/
/**
* Implements hook_menu().
*/
function menu_attributes_menu() {
// Create a visible redirect to the proper settings page.
$items['admin/settings/menu_attributes'] = array(
'title' => 'Menu attributes',
'description' => 'Configure the Menu Attributes module',
'page callback' => 'drupal_goto',
'page arguments' => array(
'admin/build/menu/settings',
),
'access arguments' => array(
'administer menu',
),
);
return $items;
}
/**
* Implements hook_menu_link_alter().
*/
function menu_attributes_menu_link_alter(&$item, $menu) {
if (isset($item['options']['attributes']) && is_array($item['options']['attributes'])) {
// Filter out blank attributes.
$item['options']['attributes'] = array_filter($item['options']['attributes'], 'drupal_strlen');
}
}
/**
* Implements hook_menu_attribute_info().
*/
function menu_attributes_menu_attribute_info() {
$info['title'] = array(
'label' => t('Title'),
'description' => t('The description displayed when hovering over the link.'),
'form' => array(
'#type' => 'textarea',
'#rows' => 2,
),
);
$info['id'] = array(
'label' => t('ID'),
'description' => t('Specifies a unique ID for the link.'),
);
$info['name'] = array(
'label' => t('Name'),
);
$info['rel'] = array(
'label' => t('Relationship'),
'description' => t("Specifies the relationship between the current page and the link. Enter 'nofollow' here to nofollow this link."),
);
$info['class'] = array(
'label' => t('Classes'),
'description' => t('Enter additional classes to be added to the link.'),
);
$info['style'] = array(
'label' => t('Style'),
'description' => t('Enter additional styles to be applied to the link.'),
);
$info['target'] = array(
'label' => t('Target'),
'description' => t('Specifies where to open the link. Using this attribute breaks XHTML validation.'),
'form' => array(
'#type' => 'select',
'#options' => array(
'' => 'None (i.e. same window)',
'_blank' => 'New window (_blank)',
'_top' => 'Top window (_top)',
'_self' => 'Same window (_self)',
'_parent' => 'Parent window (_parent)',
),
),
);
$info['accesskey'] = array(
'label' => t('Access Key'),
'description' => t('Specifies a <a href="@accesskey">keyboard shortcut</a> to access this link.', array(
'@accesskey' => url('http://en.wikipedia.org/wiki/Access_keys'),
)),
'form' => array(
'#maxlength' => 1,
'#size' => 1,
),
);
return $info;
}
/**
* Fetch an array of menu attributes.
*/
function menu_attributes_get_menu_attribute_info() {
$attributes = module_invoke_all('menu_attribute_info');
// Merge in default values.
foreach ($attributes as $attribute => &$info) {
$info += array(
'form' => array(),
'enabled' => variable_get("menu_attributes_{$attribute}_enable", 1),
'default' => '',
);
$info['form'] += array(
'#type' => 'textfield',
'#title' => $info['label'],
'#description' => isset($info['description']) ? $info['description'] : '',
'#default_value' => variable_get("menu_attributes_{$attribute}_default", $info['default']),
);
}
drupal_alter('menu_attribute_info', $attributes);
return $attributes;
}
/**
* Implements hook_form_FORM_ID_alter().
*
* Adds menu attribute options to the edit menu item form.
*
* @see menu_edit_item()
* @see _menu_attributes_form_alter()
* @see menu_attributes_form_menu_edit_item_submit()
*/
function menu_attributes_form_menu_edit_item_alter(&$form, $form_state) {
$item = $form['menu']['#item'];
_menu_attributes_form_alter($form['menu'], $item, $form);
}
/**
* Implements hook_form_alter().
*
* Adds menu attribute options to the node's edit menu item form.
*
* @see _menu_attributes_form_alter()
*/
function menu_attributes_form_alter(&$form, $form_state, $form_id) {
if (isset($form['type']) && isset($form['#node']) && $form['type']['#value'] . '_node_form' == $form_id && isset($form['menu'])) {
$item = $form['#node']->menu;
_menu_attributes_form_alter($form['menu'], $item, $form);
array_unshift($form['#submit'], 'menu_attributes_form_node_form_submit');
}
}
/**
* Form submit handler for node forms.
*
* If the user has specified a title attribute, set customized to a TRUE value
* so it will not be overridden by the node title in menu_nodeapi().
*/
function menu_attributes_form_node_form_submit($form, &$form_state) {
if (!empty($form_state['values']['menu']['options']['attributes']['title'])) {
$form_state['values']['menu']['customized'] = 1;
}
}
/**
* Add the menu attributes to a menu item edit form.
*
* @param $form
* The menu item edit form passed by reference.
* @param $item
* The optional existing menu item for context.
*/
function _menu_attributes_form_alter(&$form, $item = array(), &$complete_form) {
$form['options']['#tree'] = TRUE;
$form['options']['#weight'] = 50;
// Unset the previous value so that the new values get saved.
unset($form['options']['#value']['attributes']);
$form['options']['attributes'] = array(
'#type' => 'fieldset',
'#title' => t('Menu item attributes'),
'#collapsible' => TRUE,
'#collapsed' => FALSE,
'#tree' => TRUE,
);
$attributes = menu_attributes_get_menu_attribute_info();
foreach ($attributes as $attribute => $info) {
// Merge in the proper default value.
if (isset($item['options']['attributes'][$attribute])) {
// If the menu link already has this attribute, use it.
$info['form']['#default_value'] = $item['options']['attributes'][$attribute];
}
elseif ($item['mlid']) {
// If this is an existing link, use the raw default (usually empty).
$info['form']['#default_value'] = $info['default'];
}
$form['options']['attributes'][$attribute] = $info['form'] + array(
'#access' => $info['enabled'],
);
}
// Add form values for the reset of $item['options'] and
// $item['options']['attributes'] so the values will carry over during save.
foreach ($item['options'] as $key => $value) {
if ($key !== 'attributes' && !isset($form['options'][$key])) {
$form['options'][$key] = array(
'#type' => 'value',
'#value' => $value,
);
}
}
if (isset($item['options']['attributes'])) {
foreach ($item['options']['attributes'] as $key => $value) {
if (!isset($form['options']['attributes'][$key])) {
$form['options']['attributes'][$key] = array(
'#type' => 'value',
'#value' => $value,
);
}
}
}
// Hide the 'description' field since we will be using our own 'title' field.
if (isset($form['description'])) {
$form['description']['#access'] = FALSE;
// Because this form uses a special $form['description'] field which is
// really the 'title' attribute, we need to add special pre-submit handling
// to ensure our field gets saved as the title attribute.
array_unshift($complete_form['#submit'], '_menu_attributes_form_submit');
}
}
/**
* Form submit handler for menu item links.
*
* Move the title attributes value into the 'description' value so that it
* will get properly saved.
*/
function _menu_attributes_form_submit($form, &$form_state) {
if (isset($form_state['values']['menu']['options']['attributes']['title'])) {
$form_state['values']['menu']['description'] = $form_state['values']['menu']['options']['attributes']['title'];
}
elseif (isset($form_state['values']['options']['attributes']['title'])) {
$form_state['values']['description'] = $form_state['values']['options']['attributes']['title'];
}
}
/**
* Implements hook_form_FORM_ID_alter().
*
* Alters the menu settings form with our menu attribute settings.
*
* @see menu_configure_form()
*/
function menu_attributes_form_menu_configure_alter(&$form, $form_state) {
$form['attributes'] = array(
'#type' => 'item',
'#title' => t('Menu item attribute options'),
);
$attributes = menu_attributes_get_menu_attribute_info();
foreach ($attributes as $attribute => $info) {
$form['attributes'][$attribute] = array(
'#type' => 'fieldset',
'#title' => $info['label'],
'#group' => TRUE,
'#description' => $info['form']['#description'],
);
$form['attributes'][$attribute]["menu_attributes_{$attribute}_enable"] = array(
'#type' => 'checkbox',
'#title' => t('Enable the @attribute attribute.', array(
'@attribute' => drupal_strtolower($info['label']),
)),
'#default_value' => $info['enabled'],
);
$form['attributes'][$attribute]["menu_attributes_{$attribute}_default"] = array(
'#title' => t('Default'),
'#description' => '',
) + $info['form'];
}
// Ensure the buttons sink to the bottom of the form.
$form['buttons'] += array(
'#weight' => 100,
);
// Add vertical tabs to these fieldsets if it is available.
if (module_exists('vertical_tabs')) {
$form['attributes']['#pre_render'][] = 'vertical_tabs_form_pre_render';
}
}
Functions
Name | Description |
---|---|
menu_attributes_form_alter | Implements hook_form_alter(). |
menu_attributes_form_menu_configure_alter | Implements hook_form_FORM_ID_alter(). |
menu_attributes_form_menu_edit_item_alter | Implements hook_form_FORM_ID_alter(). |
menu_attributes_form_node_form_submit | Form submit handler for node forms. |
menu_attributes_get_menu_attribute_info | Fetch an array of menu attributes. |
menu_attributes_menu | Implements hook_menu(). |
menu_attributes_menu_attribute_info | Implements hook_menu_attribute_info(). |
menu_attributes_menu_link_alter | Implements hook_menu_link_alter(). |
_menu_attributes_form_alter | Add the menu attributes to a menu item edit form. |
_menu_attributes_form_submit | Form submit handler for menu item links. |