first import
This commit is contained in:
Bachir Soussi Chiadmi
291
sites/all/modules/menu_attributes/menu_attributes.module
Normal file
291
sites/all/modules/menu_attributes/menu_attributes.module
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<?php
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/**
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* @file
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* Alters the menu item form to allow the administrator to specify additional
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* attributes for the menu link
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*/
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/**
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* Implements hook_permission().
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*/
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function menu_attributes_permission() {
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return array(
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'administer menu attributes' => array(
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'title' => t('Administer menu attributes'),
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'description' => t('Administer menu attributes.'),
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),
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);
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}
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/**
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* Implements hook_menu_link_alter().
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*/
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function menu_attributes_menu_link_alter(&$item, $menu) {
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if (isset($item['options']['attributes']) && is_array($item['options']['attributes'])) {
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// Filter out blank attributes.
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foreach ($item['options']['attributes'] as $key => $value) {
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if ((is_array($value) && empty($value)) || is_string($value) && !drupal_strlen($value)) {
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unset($item['options']['attributes'][$key]);
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}
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}
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// Convert classes to an array.
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if (isset($item['options']['attributes']['class']) && is_string($item['options']['attributes']['class'])) {
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$item['options']['attributes']['class'] = explode(' ', $item['options']['attributes']['class']);
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}
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}
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}
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/**
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* Implements hook_menu_attriute_info().
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*/
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function menu_attributes_menu_attribute_info() {
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$info['title'] = array(
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'label' => t('Title'),
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'description' => t('The description displayed when hovering over the link.'),
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'form' => array(
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'#type' => 'textarea',
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'#rows' => 2,
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),
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);
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$info['id'] = array(
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'label' => t('ID'),
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'description' => t('Specifies a unique ID for the link.'),
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);
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$info['name'] = array(
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'label' => t('Name'),
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);
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$info['rel'] = array(
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'label' => t('Relationship'),
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'description' => t("Specifies the relationship between the current page and the link. Enter 'nofollow' here to nofollow this link."),
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);
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$info['class'] = array(
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'label' => t('Classes'),
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'description' => t('Enter additional classes to be added to the link.'),
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);
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$info['style'] = array(
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'label' => t('Style'),
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'description' => t('Enter additional styles to be applied to the link.'),
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);
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$info['target'] = array(
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'label' => t('Target'),
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'description' => t('Specifies where to open the link. Using this attribute breaks XHTML validation.'),
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'form' => array(
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'#type' => 'select',
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'#options' => array(
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'' => 'None (i.e. same window)',
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'_blank' => 'New window (_blank)',
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'_top' => 'Top window (_top)',
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'_self' => 'Same window (_self)',
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'_parent' => 'Parent window (_parent)',
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),
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),
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);
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$info['accesskey'] = array(
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'label' => t('Access Key'),
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'description' => t('Specifies a <a href="@accesskey">keyboard shortcut</a> to access this link.', array('@accesskey' => url('http://en.wikipedia.org/wiki/Access_keys'))),
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'form' => array(
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'#maxlength' => 1,
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'#size' => 1,
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),
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);
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return $info;
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}
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/**
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* Fetch an array of menu attributes.
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*/
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function menu_attributes_get_menu_attribute_info() {
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$attributes = module_invoke_all('menu_attribute_info');
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drupal_alter('menu_attribute_info', $attributes);
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// Merge in defaul values.
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foreach ($attributes as $attribute => &$info) {
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$info += array(
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'form' => array(),
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'enabled' => variable_get("menu_attributes_{$attribute}_enable", 1),
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'default' => '',
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);
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$info['form'] += array(
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'#type' => 'textfield',
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'#title' => $info['label'],
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'#description' => isset($info['description']) ? $info['description'] : '',
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'#default_value' => variable_get("menu_attributes_{$attribute}_default", $info['default']),
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);
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}
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return $attributes;
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}
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/**
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* Implements hook_form_FORM_ID_alter().
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*
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* Adds menu attribute options to the edit menu item form.
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*
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* @see menu_edit_item()
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* @see _menu_attributes_form_alter()
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* @see menu_attributes_form_menu_edit_item_submit()
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*/
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function menu_attributes_form_menu_edit_item_alter(&$form, $form_state) {
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$item = $form['original_item']['#value'];
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_menu_attributes_form_alter($form, $item, $form);
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}
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/**
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* Implements hook_form_FORM_ID_alter().
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*
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* Adds menu attribute options to the node's edit menu item form.
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*
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* @see _menu_attributes_form_alter()
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*/
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function menu_attributes_form_node_form_alter(&$form, $form_state) {
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if (isset($form['menu']['link'])) {
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$item = $form['#node']->menu;
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_menu_attributes_form_alter($form['menu']['link'], $item, $form);
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$form['menu']['link']['options']['attributes']['#type'] = 'container';
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}
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}
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/**
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* Add the menu attributes to a menu item edit form.
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*
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* @param $form
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* The menu item edit form passed by reference.
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* @param $item
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* The optional existing menu item for context.
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*/
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function _menu_attributes_form_alter(array &$form, array $item = array(), array &$complete_form) {
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// Restrict access to the new form elements.
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$form['options']['attributes']['#access'] = user_access('administer menu attributes');
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$form['options']['#tree'] = TRUE;
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$form['options']['#weight'] = 50;
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// Unset the previous value so that the new values get saved.
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unset($form['options']['#value']['attributes']);
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$form['options']['attributes'] = array(
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'#type' => 'fieldset',
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'#title' => t('Menu item attributes'),
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'#collapsible' => TRUE,
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'#collapsed' => FALSE,
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'#tree' => TRUE,
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);
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$attributes = menu_attributes_get_menu_attribute_info();
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foreach ($attributes as $attribute => $info) {
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// Merge in the proper default value.
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if (isset($item['options']['attributes'][$attribute])) {
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// If the menu link already has this attribute, use it.
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$info['form']['#default_value'] = $item['options']['attributes'][$attribute];
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// Convert the classes array to a string for the form.
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if ($attribute == 'class' && is_array($info['form']['#default_value'])) {
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$info['form']['#default_value'] = implode(' ', $info['form']['#default_value']);
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}
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}
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elseif ($item['mlid']) {
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// If this is an existing link, use the raw default (usually empty).
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$info['form']['#default_value'] = $info['default'];
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}
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$form['options']['attributes'][$attribute] = $info['form'] + array(
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'#access' => $info['enabled'],
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);
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}
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// Add form values for the reset of $item['options'] and
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// $item['options']['attributes'] so the values will carry over during save.
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foreach ($item['options'] as $key => $value) {
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if ($key !== 'attributes' && !isset($form['options'][$key])) {
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$form['options'][$key] = array(
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'#type' => 'value',
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'#value' => $value,
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);
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}
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}
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if (isset($item['options']['attributes'])) {
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foreach ($item['options']['attributes'] as $key => $value) {
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if (!isset($form['options']['attributes'][$key])) {
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$form['options']['attributes'][$key] = array(
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'#type' => 'value',
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'#value' => $value,
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);
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}
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}
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}
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// Hide the 'description' field since we will be using our own 'title' field.
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if (isset($form['description'])) {
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$form['description']['#access'] = FALSE;
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// Because this form uses a special $form['description'] field which is
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// really the 'title' attribute, we need to add special pre-submit handling
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// to ensure our field gets saved as the title attribute.
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array_unshift($complete_form['#submit'], '_menu_attributes_form_submit');
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}
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$form['options']['attributes']['#access'] = (bool) element_get_visible_children($form['options']['attributes']);
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}
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/**
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* Form submit handler for menu item links.
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*
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* Move the title attributes value into the 'description' value so that it
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* will get properly saved.
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*/
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function _menu_attributes_form_submit($form, &$form_state) {
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if (isset($form_state['values']['menu']['options']['attributes']['title'])) {
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$form_state['values']['menu']['description'] = $form_state['values']['menu']['options']['attributes']['title'];
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}
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elseif (isset($form_state['values']['options']['attributes']['title'])) {
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$form_state['values']['description'] = $form_state['values']['options']['attributes']['title'];
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}
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}
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/**
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* Implements hook_form_FORM_ID_alter().
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*
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* Alters the menu settings form with our menu attribute settings.
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*
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* @see menu_configure_form()
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*/
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function menu_attributes_form_menu_configure_alter(&$form, $form_state) {
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if (!user_access('administer menu attributes')) {
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return;
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}
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$form['attributes_title'] = array(
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'#type' => 'item',
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'#title' => t('Menu item attribute options'),
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);
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$form['attributes_vertical_tabs'] = array(
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'#type' => 'vertical_tabs',
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'#attached' => array(
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'js' => array(drupal_get_path('module', 'menu_attributes') . '/menu_attributes.js'),
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),
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);
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$attributes = menu_attributes_get_menu_attribute_info();
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foreach ($attributes as $attribute => $info) {
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$form['attributes'][$attribute] = array(
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'#type' => 'fieldset',
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'#title' => $info['label'],
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'#group' => 'attributes_vertical_tabs',
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'#description' => $info['form']['#description'],
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);
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$form['attributes'][$attribute]["menu_attributes_{$attribute}_enable"] = array(
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'#type' => 'checkbox',
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'#title' => t('Enable the @attribute attribute.', array('@attribute' => drupal_strtolower($info['label']))),
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'#default_value' => $info['enabled'],
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);
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$form['attributes'][$attribute]["menu_attributes_{$attribute}_default"] = array(
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'#title' => t('Default'),
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'#description' => '',
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'#states' => array(
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'invisible' => array(
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'input[name="menu_attributes_' . $attribute . '_enable"]' => array('checked' => FALSE),
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),
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),
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) + $info['form'];
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}
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}
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