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Bachir Soussi Chiadmi
2015-04-08 11:40:19 +02:00
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339
sites/all/modules/menu_link/LICENSE.txt Normal file
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GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
The licenses for most software are designed to take away your
freedom to share and change it. By contrast, the GNU General Public
License is intended to guarantee your freedom to share and change free
software--to make sure the software is free for all its users. This
General Public License applies to most of the Free Software
Foundation's software and to any other program whose authors commit to
using it. (Some other Free Software Foundation software is covered by
the GNU Lesser General Public License instead.) You can apply it to
your programs, too.
When we speak of free software, we are referring to freedom, not
price. Our General Public Licenses are designed to make sure that you
have the freedom to distribute copies of free software (and charge for
this service if you wish), that you receive source code or can get it
if you want it, that you can change the software or use pieces of it
in new free programs; and that you know you can do these things.
To protect your rights, we need to make restrictions that forbid
anyone to deny you these rights or to ask you to surrender the rights.
These restrictions translate to certain responsibilities for you if you
distribute copies of the software, or if you modify it.
For example, if you distribute copies of such a program, whether
gratis or for a fee, you must give the recipients all the rights that
you have. You must make sure that they, too, receive or can get the
source code. And you must show them these terms so they know their
rights.
We protect your rights with two steps: (1) copyright the software, and
(2) offer you this license which gives you legal permission to copy,
distribute and/or modify the software.
Also, for each author's protection and ours, we want to make certain
that everyone understands that there is no warranty for this free
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that any problems introduced by others will not reflect on the original
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Finally, any free program is threatened constantly by software
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program will individually obtain patent licenses, in effect making the
program proprietary. To prevent this, we have made it clear that any
patent must be licensed for everyone's free use or not licensed at all.
The precise terms and conditions for copying, distribution and
modification follow.
GNU GENERAL PUBLIC LICENSE
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
0. This License applies to any program or other work which contains
a notice placed by the copyright holder saying it may be distributed
under the terms of this General Public License. The "Program", below,
refers to any such program or work, and a "work based on the Program"
means either the Program or any derivative work under copyright law:
that is to say, a work containing the Program or a portion of it,
either verbatim or with modifications and/or translated into another
language. (Hereinafter, translation is included without limitation in
the term "modification".) Each licensee is addressed as "you".
Activities other than copying, distribution and modification are not
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running the Program is not restricted, and the output from the Program
is covered only if its contents constitute a work based on the
Program (independent of having been made by running the Program).
Whether that is true depends on what the Program does.
1. You may copy and distribute verbatim copies of the Program's
source code as you receive it, in any medium, provided that you
conspicuously and appropriately publish on each copy an appropriate
copyright notice and disclaimer of warranty; keep intact all the
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and give any other recipients of the Program a copy of this License
along with the Program.
You may charge a fee for the physical act of transferring a copy, and
you may at your option offer warranty protection in exchange for a fee.
2. You may modify your copy or copies of the Program or any portion
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the Program is not required to print an announcement.)
These requirements apply to the modified work as a whole. If
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In addition, mere aggregation of another work not based on the Program
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the scope of this License.
3. You may copy and distribute the Program (or a work based on it,
under Section 2) in object code or executable form under the terms of
Sections 1 and 2 above provided that you also do one of the following:
a) Accompany it with the complete corresponding machine-readable
source code, which must be distributed under the terms of Sections
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c) Accompany it with the information you received as to the offer
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The source code for a work means the preferred form of the work for
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distribution of the source code, even though third parties are not
compelled to copy the source along with the object code.
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except as expressly provided under this License. Any attempt
otherwise to copy, modify, sublicense or distribute the Program is
void, and will automatically terminate your rights under this License.
However, parties who have received copies, or rights, from you under
this License will not have their licenses terminated so long as such
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infringement or for any other reason (not limited to patent issues),
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License and any other pertinent obligations, then as a consequence you
may not distribute the Program at all. For example, if a patent
license would not permit royalty-free redistribution of the Program by
all those who receive copies directly or indirectly through you, then
the only way you could satisfy both it and this License would be to
refrain entirely from distribution of the Program.
If any portion of this section is held invalid or unenforceable under
any particular circumstance, the balance of the section is intended to
apply and the section as a whole is intended to apply in other
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It is not the purpose of this section to induce you to infringe any
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such claims; this section has the sole purpose of protecting the
integrity of the free software distribution system, which is
implemented by public license practices. Many people have made
generous contributions to the wide range of software distributed
through that system in reliance on consistent application of that
system; it is up to the author/donor to decide if he or she is willing
to distribute software through any other system and a licensee cannot
impose that choice.
This section is intended to make thoroughly clear what is believed to
be a consequence of the rest of this License.
8. If the distribution and/or use of the Program is restricted in
certain countries either by patents or by copyrighted interfaces, the
original copyright holder who places the Program under this License
may add an explicit geographical distribution limitation excluding
those countries, so that distribution is permitted only in or among
countries not thus excluded. In such case, this License incorporates
the limitation as if written in the body of this License.
9. The Free Software Foundation may publish revised and/or new versions
of the General Public License from time to time. Such new versions will
be similar in spirit to the present version, but may differ in detail to
address new problems or concerns.
Each version is given a distinguishing version number. If the Program
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later version", you have the option of following the terms and conditions
either of that version or of any later version published by the Free
Software Foundation. If the Program does not specify a version number of
this License, you may choose any version ever published by the Free Software
Foundation.
10. If you wish to incorporate parts of the Program into other free
programs whose distribution conditions are different, write to the author
to ask for permission. For software which is copyrighted by the Free
Software Foundation, write to the Free Software Foundation; we sometimes
make exceptions for this. Our decision will be guided by the two goals
of preserving the free status of all derivatives of our free software and
of promoting the sharing and reuse of software generally.
NO WARRANTY
11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS
TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE
PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
REPAIR OR CORRECTION.
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WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
convey the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
Also add information on how to contact you by electronic and paper mail.
If the program is interactive, make it output a short notice like this
when it starts in an interactive mode:
Gnomovision version 69, Copyright (C) year name of author
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, the commands you use may
be called something other than `show w' and `show c'; they could even be
mouse-clicks or menu items--whatever suits your program.
You should also get your employer (if you work as a programmer) or your
school, if any, to sign a "copyright disclaimer" for the program, if
necessary. Here is a sample; alter the names:
Yoyodyne, Inc., hereby disclaims all copyright interest in the program
`Gnomovision' (which makes passes at compilers) written by James Hacker.
<signature of Ty Coon>, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incorporating your program into
proprietary programs. If your program is a subroutine library, you may
consider it more useful to permit linking proprietary applications with the
library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License.

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-- SUMMARY --
The Menu link module defines a menu link field type.
Drupal's core Menu module allows nodes to place menu links (linking to the node)
into the menu. The Menu link module however allows entities of any type to place
menu links into the menu using a field.
-- Menu link as a field --
* One of the benefits of fields is that they automatically are available to
other modules (like Views).
* The Field API also provides the possibility to use separate widget and
formatters per entity type (and bundle). Contrib modules can provide all kinds
of new widgets and formatters.
* Another benefit of the Menu link module is that it provides revisioning for
menu links. Their title and location in the menu for example are stored per
revision.
-- Menu module integration --
The Menu link module integrates seamlessly into the Menu module. The UI for node
types, to configure which menus are available, isn't altered.
The "Menu settings" tab on node edit forms is however removed and replaced by a
field widget (To put the widget into a vertical tab use the Field group module).
Now that menu links are stored as a field it is thus possible to use different
widgets per node type.
-- DEVELOPERS --
* Relations between menu links and entities
The Menu link module provides one predefined field stored in a fixed database
table (using field_sql_storage) named {field_data_menu_link}. Using a fixed
table allows other modules to use this table to retrieve and build upon
relations between menu links and entities (This field is also being used for
the integration with the Menu module).
* Menu API additions
To speed up saving/deleting of menu links, the Menu link provides a couple of
additions to the Menu API. Those may be used by other modules.
* menu_link_load_multiple(array $mlids, array $conditions = array())
* menu_link_delete_multiple(array $mlids)

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.field-widget-menu-link-default .menu-link-item .form-item {
float: left;
margin: 0 1em 0 0;
padding: 0;
}
.field-widget-menu-link-default .menu-link-item .form-item.form-type-textarea {
float: none;
clear: both;
}

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<?php
/**
* @file
* Defines a menu link field type.
*/
/**
* Implements hook_field_info().
*
* Field settings:
* - link_path_field: Boolean whether or not the link path field is available
* to users. If set to FALSE enity_uri() is used to determine the link path.
* Instance settings:
* - menu_options: The menus available to place links in for this field.
*/
function menu_link_field_info() {
return array(
'menu_link' => array(
'label' => t('Menu link'),
'description' => t('This field stores a reference to a menu link in the database.'),
'settings' => array(
'link_path_field' => FALSE,
),
'instance_settings' => array(
'menu_options' => array('main-menu'),
),
'default_widget' => 'menu_link_default',
'default_formatter' => 'menu_link_link',
),
);
}
/**
* Implements hook_field_settings_form().
*/
function menu_link_field_settings_form($field, $instance, $has_data) {
$settings = $field['settings'];
$form = array();
/* @todo Allow menu link fields to be used as a reference field? http://drupal.org/node/1028344
$form['link_path_field'] = array(
'#type' => 'checkbox',
'#title' => t('Enable <em>Path</em> field'),
'#default_value' => $settings['link_path_field'],
'#description' => t('Allow users to set the path of menu links. When not checked the uri of the entity being edited is used.'),
);*/
return $form;
}
/**
* Implements hook_field_instance_settings_form().
*/
function menu_link_field_instance_settings_form($field, $instance) {
$settings = $instance['settings'];
$form['menu_options'] = array(
'#type' => 'checkboxes',
'#title' => t('Available menus'),
'#default_value' => $settings['menu_options'],
'#options' => menu_get_menus(),
'#description' => t('The menus available to place links in for this field.'),
'#required' => TRUE,
'#weight' => -5,
);
return $form;
}
/**
* Implements hook_field_load().
*/
function menu_link_field_load($entity_type, $entities, $field, $instances, $langcode, &$items, $age) {
foreach ($entities as $id => $entity) {
foreach ($items[$id] as $delta => &$item) {
$item['options'] = !empty($item['options']) ? unserialize($item['options']) : array();
$item['external'] = (!empty($item['link_path']) && $item['link_path'] != '<front>' && url_is_external($item['link_path'])) ? 1 : 0;
}
}
}
/**
* Implements hook_field_validate().
*
* Possible error codes:
* - 'menu_link_duplicate': A menu link can only be referenced once per entity
* per field.
* - 'menu_link_invalid_parent': Selected parent menu link does not exist or may
* not be selected.
* - 'menu_link_no_entity_uri': No link path is provided while entity being
* edited has no URI of its own.
*/
function menu_link_field_validate($entity_type, $entity, $field, $instance, $langcode, &$items, &$errors) {
if (!empty($entity)) {
list($id, , ) = entity_extract_ids($entity_type, $entity);
}
// Build an array of existing menu link IDs so they can be loaded with
// menu_link_load_multiple();
$mlids = array();
foreach ($items as $delta => &$item) {
if (menu_link_field_is_empty($item, $field)) {
continue;
}
if (!empty($item['mlid']) && (int)$item['mlid'] > 0) {
$mlids[] = (int)$item['mlid'];
}
if (!empty($item['plid']) && (int)$item['plid'] > 0) {
$mlids[] = (int)$item['plid'];
}
}
$menu_links = !empty($mlids) ? menu_link_load_multiple($mlids) : array();
$mlids = array();
foreach ($items as $delta => &$item) {
if (menu_link_field_is_empty($item, $field)) {
continue;
}
if (empty($item['menu_name']) || !in_array($item['menu_name'], $instance['settings']['menu_options'])) {
$errors[$field['field_name']][$langcode][$delta][] = array(
'error' => 'menu_link_invalid_parent',
'message' => t('%name: Invalid menu name.', array('%name' => t($instance['label']))),
);
}
if (!empty($item['plid'])) {
if (!isset($menu_links[$item['plid']]) || !in_array($menu_links[$item['plid']]['menu_name'], $instance['settings']['menu_options'])) {
$errors[$field['field_name']][$langcode][$delta][] = array(
'error' => 'menu_link_invalid_parent',
'message' => t('%name: Invalid parent menu link.', array('%name' => t($instance['label']))),
);
}
}
if (!empty($item['mlid'])) {
if (isset($mlids[$item['mlid']])) {
$errors[$field['field_name']][$langcode][$delta][] = array(
'error' => 'menu_link_duplicate',
'message' => t('%name: A menu link can only be referenced once per entity per field.', array('%name' => t($instance['label']))),
);
}
else {
$mlids[$item['mlid']] = $item['mlid'];
}
}
if (!empty($field['settings']['link_path_field']) && empty($item['link_path']) && !empty($id)) {
$uri = entity_uri($entity_type, $entity);
if ($uri === NULL) {
$errors[$field['field_name']][$langcode][$delta][] = array(
'error' => 'menu_link_no_entity_uri',
'message' => t('%name: No link path is provided while entity being edited has no URI of its own.', array('%name' => t($instance['label']))),
);
}
}
}
}
/**
* Implements hook_field_presave().
*
* @see menu_link_menu_link_update()
*/
function menu_link_field_presave($entity_type, $entity, $field, $instance, $langcode, &$items) {
foreach ($items as $delta => &$item) {
if (empty($item['plid'])) {
$item['plid'] = 0;
}
$item += array(
'options' => array(),
'hidden' => 0,
'expanded' => 0,
'weight' => 0,
);
// Add a key to indicate we are saving menu links from within a field. This
// key is not stored in the database and will only be available during the
// current request.
// @see menu_link_menu_link_update()
$item['menu_link_field_save'] = $field['field_name'];
// TODO This could override the module column!
$item['module'] = 'menu_link';
}
}
/**
* Implements hook_field_insert().
*/
function menu_link_field_insert($entity_type, $entity, $field, $instance, $langcode, &$items) {
$path = _menu_link_path($entity_type, $entity, $langcode);
foreach ($items as $delta => &$item) {
if (empty($field['settings']['link_path_field']) || empty($item['link_path'])) {
$item['link_path'] = $path;
}
if (!menu_link_save($item)) {
drupal_set_message(t('There was an error saving the menu link.'), 'error');
}
$item['options'] = serialize($item['options']);
}
}
/**
* Implements hook_field_update().
*/
function menu_link_field_update($entity_type, $entity, $field, $instance, $langcode, &$items) {
list($id, $vid, $bundle) = entity_extract_ids($entity_type, $entity);
// Load the field items as they are stored in the database before update.
$original = entity_create_stub_entity($entity_type, array($id, $vid, $bundle));
field_attach_load($entity_type, array($id => $original), FIELD_LOAD_CURRENT, $options = array('field_id' => $field['id']));
// Initially asume that all links are being deleted; later on in this function,
// links that are kept are removed from this array.
$delete_links = array();
if (!empty($original->{$instance['field_name']}[$langcode])) {
foreach($original->{$instance['field_name']}[$langcode] as $item) {
$delete_links[$item['mlid']] = $item['mlid'];
}
}
$path = _menu_link_path($entity_type, $entity, $langcode);
foreach ($items as $delta => &$item) {
if (empty($field['settings']['link_path_field']) || empty($item['link_path'])) {
$item['link_path'] = $path;
}
if (!menu_link_save($item)) {
drupal_set_message(t('There was an error saving the menu link.'), 'error');
// TODO what to do?
}
$item['options'] = serialize($item['options']);
// Don't remove menu links that are being kept.
unset($delete_links[$item['mlid']]);
}
// Delete any menu links that are no longer used.
if (!empty($delete_links)) {
menu_link_delete_multiple($delete_links);
}
}
/**
* Helper function to build a menu link path based on an entity.
*/
function _menu_link_path($entity_type, $entity, $langcode) {
$uri = entity_uri($entity_type, $entity);
if (url_is_external($uri['path'])) {
$path = url($uri['path'], $uri['options']);
}
else {
$path = drupal_get_normal_path($uri['path'], $langcode);
if (!empty($uri['options']['query'])) {
$path .= (strpos($path, '?') !== FALSE ? '&' : '?') . drupal_http_build_query($uri['options']['query']);
}
if (!empty($uri['options']['fragment'])) {
$path .= '#' . $uri['options']['fragment'];
}
}
return $path;
}
/**
* Implements hook_field_delete().
*/
function menu_link_field_delete($entity_type, $entity, $field, $instance, $langcode, &$items) {
$mlids = array();
foreach ($items as $delta => $item) {
$mlids[] = $item['mlid'];
}
if (!empty($mlids)) {
// Only delete menu links that are (still) owned by the Menu link module.
$mlids = db_select('menu_links')
->fields('menu_links', array('mlid'))
->condition('module', 'menu_link')
->condition('mlid', $mlids)
->execute()
->fetchCol();
if (!empty($mlids)) {
menu_link_delete_multiple($mlids);
}
}
}
/**
* Implements hook_field_is_empty().
*/
function menu_link_field_is_empty($item, $field) {
if (!empty($item['delete']) || !trim($item['link_title']) || empty($item['menu_name']) || (empty($item['plid']) && $item['plid'] != '0')) {
return TRUE;
}
return FALSE;
}
/**
* Implements hook_field_formatter_info().
*/
function menu_link_field_formatter_info() {
return array(
'menu_link_link' => array(
'label' => t('Link'),
'field types' => array('menu_link'),
),
);
}
/**
* Implements hook_field_formatter_prepare_view().
*/
function menu_link_field_formatter_prepare_view($entity_type, $entities, $field, $instances, $langcode, &$items, $displays) {
$mlids = array();
// Collect every possible menu link attached to any of the fieldable entities.
foreach ($entities as $id => $entity) {
foreach ($items[$id] as $delta => $item) {
// Prevent doing things twice.
if (empty($item['title'])) {
// Force the array key to prevent duplicates.
$mlids[$item['mlid']] = $item['mlid'];
}
}
}
if (!empty($mlids)) {
$menu_links = menu_link_load_multiple($mlids);
// Iterate through the fieldable entities again to attach the loaded menu
// link data.
foreach ($entities as $id => $entity) {
$rekey = FALSE;
foreach ($items[$id] as $delta => $item) {
// Check whether the menu link field instance value could be loaded.
if (isset($menu_links[$item['mlid']])) {
// Replace the instance value with the menu link data.
$items[$id][$delta] = $menu_links[$item['mlid']];
}
// Otherwise, unset the instance value, since the menu link does not exist.
else {
unset($items[$id][$delta]);
$rekey = TRUE;
}
}
if ($rekey) {
// Rekey the items array.
$items[$id] = array_values($items[$id]);
}
}
}
}
/**
* Implements hook_field_formatter_view().
*/
function menu_link_field_formatter_view($entity_type, $entity, $field, $instance, $langcode, $items, $display) {
$element = array();
// If the default formatter is set to "hidden" but the field is being
// displayed using this formatter, some module don't properly invoke
// hook_field_formatter_prepare_view() which is essential for this formatter.
// Let's make sure it has been invoked.
// TODO remove if resolved.
if ($instance['display']['default']['type'] == 'hidden') {
list($id, , ) = entity_extract_ids($entity_type, $entity);
$items = array($id => &$items);
menu_link_field_formatter_prepare_view(
$entity_type,
array($id => $entity),
$field,
array($id => $instance),
$langcode,
$items,
array($id => $display)
);
$items = $items[$id];
}
switch ($display['type']) {
case 'menu_link_link':
foreach ($items as $delta => $item) {
$element[$delta] = array(
'#type' => 'link',
'#title' => $item['title'],
'#href' => $item['href'],
'#options' => $item['localized_options'],
);
}
break;
}
return $element;
}
/**
* Implements hook_field_widget_info().
*/
function menu_link_field_widget_info() {
return array(
'menu_link_default' => array(
'label' => t('Select list'),
'field types' => array('menu_link'),
'settings' => array(
'description_field' => TRUE,
'expanded_field' => FALSE
),
),
);
}
/**
* Implements hook_field_widget_settings_form().
*/
function menu_link_field_widget_settings_form($field, $instance) {
$widget = $instance['widget'];
$settings = $widget['settings'];
$form['description_field'] = array(
'#type' => 'checkbox',
'#title' => t('Enable <em>Description</em> field'),
'#default_value' => $settings['description_field'],
'#description' => t('The description field is used as a tooltip when the mouse hovers over the menu link.'),
'#weight' => 5,
);
$form['expanded_field'] = array(
'#type' => 'checkbox',
'#title' => t('Enable <em>Expanded</em> field'),
'#default_value' => $settings['expanded_field'],
'#description' => t('The expanded field is a checkbox which, if selected and the menu link has children, makes the menu link always appear expanded.'),
'#weight' => 5,
);
return $form;
}
/**
* Implements hook_field_widget_form().
*/
function menu_link_field_widget_form(&$form, &$form_state, $field, $instance, $langcode, $items, $delta, $element) {
$module_path = drupal_get_path('module', 'menu_link');
$element += array(
'#input' => TRUE,
'#type' => ($field['cardinality'] == 1) ? 'fieldset' : 'container',
'#element_validate' => array('menu_link_field_widget_validate'),
'#attached' => array(
'js' => array($module_path . '/menu_link.field.js'),
'css' => array($module_path . '/menu_link.field.css'),
),
'#attributes' => array(
'class' => array('menu-link-item', 'menu-link-auto-title', 'menu-link-auto-fieldset-summary'),
)
);
// Populate the element with the link data.
foreach (array('mlid', 'link_path', 'options', 'hidden', 'expanded') as $key) {
if (isset($items[$delta][$key])) {
$element[$key] = array('#type' => 'value', '#value' => $items[$delta][$key]);
}
}
$menus = menu_get_menus();
$available_menus = array_combine($instance['settings']['menu_options'], $instance['settings']['menu_options']);
$options = _menu_get_options($menus, $available_menus, array('mlid' => 0));
$element['parent'] = array(
'#type' => 'select',
'#title' => t('Parent menu item'),
'#options' => $options,
'#empty_value' => '_none',
'#attributes' => array(
'class' => array('menu-link-item-parent'),
'title' => t('Choose the menu item to be the parent for this link.'),
),
'#required' => !empty($element['#required']),
);
if (isset($items[$delta]['menu_name'], $items[$delta]['plid'])) {
$element['parent']['#default_value'] = $items[$delta]['menu_name'] . ':' . $items[$delta]['plid'];
}
$element['weight'] = array(
'#type' => 'weight',
'#title' => t('Weight'),
'#delta' => 50,
'#default_value' => isset($items[$delta]['weight']) ? $items[$delta]['weight'] : 0,
'#attributes' => array(
'class' => array('menu-link-item-weight'),
'title' => t('Menu links with smaller weights are displayed before links with larger weights.'),
),
);
$element['link_title'] = array(
'#type' => 'textfield',
'#title' => t('Title'),
'#default_value' => isset($items[$delta]['link_title']) ? $items[$delta]['link_title'] : '',
'#size' => 50,
'#maxlength' => 255,
'#attributes' => array(
'class' => array('menu-link-item-title'),
),
'#description' => t('The text to be used for this link in the menu.'),
'#required' => !empty($element['#required']),
);
if (!empty($field['settings']['link_path_field'])) {
$element['link_path'] = array(
'#type' => 'textfield',
'#title' => t('Path'),
'#default_value' => isset($items[$delta]['link_path']) ? $items[$delta]['link_path'] : '',
'#size' => 50,
'#maxlength' => 255,
'#attributes' => array(
'class' => array('menu-link-item-path'),
),
'#description' => t('The path for this menu link.'),
);
}
if (!empty($instance['widget']['settings']['fragment_field'])) {
$element['fragment'] = array(
'#type' => 'textfield',
'#title' => t('URL Fragment'),
'#field_prefix' => '#',
'#default_value' => isset($items[$delta]['options']['attributes']['fragment']) ? $items[$delta]['options']['attributes']['fragment'] : '',
'#size' => 10,
'#maxlength' => 255,
'#attributes' => array(
'class' => array('menu-link-item-fragment'),
),
);
}
if (!empty($instance['widget']['settings']['expanded_field'])) {
$element['expanded'] = array(
'#type' => 'checkbox',
'#title' => t('Expanded'),
'#title_display' => 'before',
'#default_value' => isset($items[$delta]['expanded']) ? $items[$delta]['expanded'] : 0,
'#attributes' => array(
'class' => array('menu-link-item-expanded'),
'title' => t('If selected and this menu link has children, the menu will always appear expanded.'),
),
'#weight' => 5,
);
}
if (!empty($instance['widget']['settings']['description_field'])) {
$element['description'] = array(
'#type' => 'textarea',
'#title' => t('Description'),
'#default_value' => isset($items[$delta]['options']['attributes']['title']) ? $items[$delta]['options']['attributes']['title'] : '',
'#rows' => 1,
'#description' => t('Shown when hovering over the menu link.'),
'#attributes' => array('class' => array('menu-link-item-description')),
'#weight' => 10,
);
}
return $element;
}
/**
* Form element validate handler for menu link field widget.
*/
function menu_link_field_widget_validate($element, &$form_state) {
$item = drupal_array_get_nested_value($form_state['values'], $element['#parents']);
if (!empty($item['parent']) && $item['parent'] != '_none') {
list($item['menu_name'], $item['plid']) = explode(':', $item['parent']);
}
$item['link_title'] = trim($item['link_title']);
if (!empty($item['description']) && trim($item['description'])) {
$item['options']['attributes']['title'] = trim($item['description']);
}
else {
// If the description field was left empty, remove the title attribute
// from the menu link.
unset($item['options']['attributes']['title']);
}
if (!empty($item['fragment']) && trim($item['fragment'])) {
$item['options']['fragment'] = trim($item['fragment']);
}
else {
unset($item['options']['fragment']);
}
form_set_value($element, $item, $form_state);
}
/**
* Implements hook_field_widget_error().
*/
function menu_link_field_widget_error($element, $error, $form, &$form_state) {
switch ($error['error']) {
case 'menu_link_invalid_parent':
$error_element = $element['parent'];
break;
default:
$error_element = $element['link_title'];
break;
}
form_error($error_element, $error['message']);
}

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(function ($) {
/**
* Automatically fill in a menu link title, if possible.
*/
Drupal.behaviors.menuLinkFieldAutoTitle = {
attach: function (context) {
$('.field-type-menu-link .menu-link-item.menu-link-auto-title', context).each(function () {
// Try to find menu link item elements as well as a entity 'title' field
// in the form, but play nicely with user permissions and form alterations.
var $enabled = $('.menu-link-item-enabled', this),
$link_title = $('.menu-link-item-title', this),
$title = $(this).closest('form').find('.form-item-title input'),
required = $link_title.hasClass('required'),
link_title = $link_title.val();
// Bail out if we do not have all required fields.
if (!$link_title.length || !$title.length || !($enabled.length || required)) {
return;
}
// If there is a link title already, mark it as overridden. The user expects
// that toggling the checkbox twice will take over the node's title.
if (link_title.length ) {
if ($enabled.is(':checked')) {
$link_title.data('menuLinkFieldAutomaticTitleOverridden', true);
}
else if (!$enabled.length && required && link_title != $title.val()) {
$link_title.data('menuLinkFieldAutomaticTitleOverridden', true);
}
}
// Take over any title change.
$title.keyup(function () {
if (!$link_title.data('menuLinkFieldAutomaticTitleOverridden') && ($enabled.length ? $enabled.is(':checked') : required)) {
$link_title.val($title.val());
$link_title.val($title.val()).trigger('formUpdated');
}
});
// Whenever the value is changed manually, disable this behavior.
$link_title.keyup(function () {
$link_title.data('menuLinkFieldAutomaticTitleOverridden', true);
});
// Global trigger on checkbox (do not fill-in a value when disabled).
$enabled.change(function () {
if ($enabled.is(':checked')) {
if (!$link_title.data('menuLinkFieldAutomaticTitleOverridden')) {
$link_title.val($title.val());
}
}
else {
$link_title.val('');
$link_title.removeData('menuLinkFieldAutomaticTitleOverridden');
}
$enabled.closest('fieldset.vertical-tabs-pane').trigger('summaryUpdated');
$enabled.trigger('formUpdated');
});
});
}
};
/**
* Automatically update summary of fieldsets containging menu link fields.
*
* To enable this behavior enable the Field group module and put your menu link
* field into a field group.
*
* @link http://drupal.org/project/field_group
*/
Drupal.behaviors.menuLinkFieldAutoFieldsetSummary = {
attach: function (context) {
$('fieldset.vertical-tabs-pane .field-type-menu-link', context).each(function () {
$(this).closest('fieldset.vertical-tabs-pane').drupalSetSummary(function (context) {
var $item = $('.menu-link-item.menu-link-auto-fieldset-summary:first', context);
var $enabled = $item.find('.menu-link-item-enabled');
var $title = $item.find('.menu-link-item-title');
if (($enabled.length && $enabled.is(':checked')) || $title.val()) {
return Drupal.checkPlain($title.val());
}
else {
return Drupal.t('Not in menu');
}
});
});
}
};
})(jQuery);

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name = Menu link
description = Defines a menu link field type.
package = Fields
core = 7.x
files[] = menu_link.test
files[] = views/menu_link_handler_sort_weight.inc
; Information added by drupal.org packaging script on 2012-07-03
version = "7.x-1.x-dev"
core = "7.x"
project = "menu_link"
datestamp = "1341318595"

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sites/all/modules/menu_link/menu_link.install Normal file
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<?php
/**
* @file
* Install, update and uninstall functions for the Menu link module.
*/
/**
* Implements hook_field_schema().
*/
function menu_link_field_schema($field) {
$menu_links = drupal_get_schema_unprocessed('system', 'menu_links');
$schema = array(
'columns' => array(
'mlid' => array(
'description' => 'The {menu_links}.mlid being referenced in this field.',
'type' => 'int',
'unsigned' => TRUE,
'not null' => TRUE,
'default' => 0,
),
// Columns below are being used for revision control.
'menu_name' => $menu_links['fields']['menu_name'],
'plid' => $menu_links['fields']['plid'],
'link_path' => $menu_links['fields']['link_path'],
'link_title' => $menu_links['fields']['link_title'],
'options' => $menu_links['fields']['options'],
'hidden' => $menu_links['fields']['hidden'],
'expanded' => $menu_links['fields']['expanded'],
'weight' => $menu_links['fields']['weight'],
),
'indexes' => array(
'mlid' => array('mlid'),
'menu_plid' => array('menu_name', 'plid'),
),
'foreign keys' => array(
'menu_link' => array(
'table' => 'menu_links',
'columns' => array('mlid' => 'mlid'),
),
'parent_menu_link' => array(
'table' => 'menu_links',
'columns' => array('plid' => 'mlid'),
),
),
);
if (module_exists('menu')) {
$schema['foreign keys']['menu'] = array(
'table' => 'menu_custom',
'columns' => array('menu_name' => 'menu_name'),
);
}
return $schema;
}

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<?php
/**
* @file
* Defines a menu link field type.
*/
require_once dirname(__FILE__) . '/menu_link.field.inc';
/**
* Name of the fixed Menu link field.
*
* This module provides one Menu link field by default. This field cannot be
* deleted and its storage backend is restricted to field_sql_storage. This way
* other modules can use its database table {field_data_menu_link}, to include
* the {menu_links} table in entity queries.
*/
define('MENU_LINK_DEFAULT_FIELD', 'menu_link');
/**
* Implements hook_help().
*/
function menu_link_help($path, $arg) {
switch ($path) {
case 'admin/help#menu_link':
$output = '';
$output .= '<h3>' . t('About') . '</h3>';
$output .= '<p>' . t("The Menu link module defines a menu link field type for the Field module. A menu link field may be used to place links into a menu that link to it's entity. See the <a href='@field-help'>Field module help page</a> for more information about fields.", array('@field-help' => url('admin/help/field'), '@filter-help' => url('admin/help/filter'))) . '</p>';
return $output;
}
}
/**
* Load multiple menu links, access checked and link translated for rendering.
*
* This function should never be called from within node_load() or any other
* function used as a menu object load function since an infinite recursion may
* occur.
*
* @param $mlids array
* An array of menu link IDs.
* @param $conditions array
* An associative array of conditions on the {menu_links}
* table, where the keys are the database fields and the values are the
* values those fields must have.
*
* @return
* An array of menu links indexed by mlid.
*
* @see menu_link_load()
*
* @todo Remove this function when http://drupal.org/node/1034732 lands.
*/
function menu_link_load_multiple(array $mlids, array $conditions = array()) {
$query = db_select('menu_links', 'ml', array('fetch' => PDO::FETCH_ASSOC));
$query->leftJoin('menu_router', 'm', 'm.path = ml.router_path');
$query->fields('ml');
// Weight should be taken from {menu_links}, not {menu_router}.
$query->addField('ml', 'weight', 'link_weight');
$query->fields('m');
if (!empty($mlids)) {
$query->condition('ml.mlid', $mlids, 'IN');
}
if (!empty($conditions)) {
foreach ($conditions as $field => $value) {
$query->condition('ml.' . $field, $value);
}
}
$items = array();
foreach ($query->execute() as $item) {
$item['weight'] = $item['link_weight'];
$items[$item['mlid']] = $item;
_menu_link_translate($items[$item['mlid']]);
}
return $items;
}
/**
* Delete multiple menu links.
*
* @param $mlids array
* An array of menu link IDs.
* @param $force boolean
* Forces deletion. Internal use only, setting to TRUE is discouraged.
*
* @see menu_link_delete()
*
* @todo Remove this function when http://drupal.org/node/1034732 lands.
*/
function menu_link_delete_multiple(array $mlids, $force = FALSE) {
if (!empty($mlids)) {
$query = db_select('menu_links')
->fields('menu_links')
->condition('mlid', $mlids, 'IN');
if (!$force) {
// Exclude links belonging to system module except if they are marked
// updated (generated during update from Drupal 5).
$query->condition(db_or()->condition('module', 'system', '<>')->condition('updated', 0, '<>'));
}
$links_to_delete = $query->execute()->fetchAllAssoc('mlid', PDO::FETCH_ASSOC);
if (!empty($links_to_delete)) {
$links_with_children = array();
$parent_mlids = array();
$affected_menus = array();
foreach ($links_to_delete as $item) {
if ($item['has_children']) {
$links_with_children[$item['mlid']] = $item['mlid'];
}
$parent_mlids[$item['plid']] = $item['plid'];
$affected_menus[$item['menu_name']] = $item['menu_name'];
}
$parent_mlids = array_diff_key($parent_mlids, array(0 => 0) + array_keys($links_to_delete));
// Re-parent any children to it's closest parent that is not deleted.
if (!empty($links_with_children)) {
$children = menu_link_load_multiple(array(), array('plid' => $links_with_children));
foreach ($children as $item) {
while (isset($links_to_delete[$item['plid']])) {
$item['plid'] = $links_to_delete[$item['plid']]['plid'];
}
menu_link_save($item);
}
}
db_delete('menu_links')->condition('mlid', array_keys($links_to_delete), 'IN')->execute();
foreach ($links_to_delete as $item) {
// Notify modules we have deleted the item.
module_invoke_all('menu_link_delete', $item);
// Update the has_children status of the parent.
_menu_update_parental_status($item);
}
// Update the has_children status of parents of deleted links.
// @todo fix query und use this instead of _menu_update_parental_status($item);
/*if (!empty($parent_mlids)) {
$exists_query = db_select('menu_links', 'child')
->fields('child', array('mlid'))
->condition('child.hidden', 0)
->where('child.plid = parent.mlid')
->where('child.menu_name = parent.menu_name')
->range(0, 1);
db_update('menu_links', 'parent')
->fields(array('has_children' => 0))
->condition('has_children', 1)
->condition('mlid', $parent_mlids, 'IN')
->notExists($exists_query)
->execute();
}*/
// Clear caches.
foreach ($affected_menus as $menu_name) {
menu_cache_clear($menu_name);
}
_menu_clear_page_cache();
}
}
}
/**
* Implements hook_menu_delete().
*/
function menu_link_menu_delete($menu) {
// Menu should not be removed from settings of menu_link field instances; menus
// have a machine name so they can be recreated. Non existant menus won't be
// available in the field widgets.
}
/**
* Implements hook_menu_link_alter().
*
* @see http://drupal.org/node/1087888
* Add $prior_link to hook_menu_link_update().
*/
function menu_link_menu_link_alter($item = NULL) {
static $existing_item;
if (isset($item)) {
$existing_item = FALSE;
if (isset($item['mlid'])) {
if ($existing_item = db_query("SELECT * FROM {menu_links} WHERE mlid = :mlid", array(':mlid' => $item['mlid']))->fetchAssoc()) {
$existing_item['options'] = unserialize($existing_item['options']);
}
}
if ($existing_item['module'] == 'menu_link') {
}
}
return $existing_item;
}
/**
* Implements hook_menu_link_update().
*
* Synchronize menu_link fields with the updated menu link.
*/
function menu_link_menu_link_update($item) {
$prior_item = menu_link_menu_link_alter();
if ($item['module'] == 'menu_link' && empty($item['menu_link_field_save'])) {
static $entity_paths;
if (empty($entity_paths)) {
$entity_get_info = entity_get_info();
foreach ($entity_get_info as $entity_type => $entity_info) {
if (isset($entity_info['path'])) {
$entity_path = str_replace('%' . $entity_type, '%', $entity_info['path']);
$entity_paths[$entity_path] = $entity_type;
}
}
}
if (isset($entity_paths[$item['router_path']])) {
// Get entity type
$entity_type = $entity_paths[$item['router_path']];
// Get path to entity without wildcard
$router_path = str_replace('%','',$item['router_path']);
// Get Entity ID
$entity_id = str_replace($router_path, '', $item['link_path']);
// Load entity
$entity = array_shift(entity_load($entity_type, array($entity_id)));
// Get bundle
list( , , $bundle) = entity_extract_ids($entity_type, $entity);
$save_entity = FALSE;
foreach (field_info_instances($entity_type, $bundle) as $instance) {
$field_name = $instance['field_name'];
$field = field_info_field($field_name);
if ($field['module'] == 'menu_link') {
// Check if field exist on this entity
if (isset($entity->{$field_name}) && !empty($entity->{$field_name})) {
// Check if content is the same as current path for each language
foreach ($entity->{$field_name} as $lang => $items) {
// for each contents of fields
foreach ($items as $i => $field_item) {
// Check if it's current item
if ($field_item['mlid'] == $item['mlid']) {
// So give it updated options
foreach ($entity->{$field_name}[$lang][$i] as $option_name => $option_value) {
$entity->{$field_name}[$lang][$i][$option_name] = $item[$option_name];
}
$save_entity = TRUE;
break; // We found item in field content so break to next field
}
}
}
}
}
}
// Entity has been edited so save it
if ($save_entity) {
entity_save($entity_name, $entity);
}
}
}
}
/**
* Implements hook_menu_link_delete().
*
* Remove link from all menu_link fields. Note that this module disables the
* possibility to delete menu links through the Admin > Structure > Menus
* interface that are used in a menu_link field (by storing menu links under its
* own module instead of system). So this hook may not be neccessary at all.
*/
function menu_link_menu_link_delete($item) {
if ($item['module'] == 'menu_link' && empty($item['menu_link_field_save'])) {
// TODO
}
}
/**
* Implements hook_field_update_forbid().
*/
function menu_link_field_update_forbid($field, $prior_field, $has_data) {
if ($field['field_name'] == MENU_LINK_DEFAULT_FIELD) {
if (!empty($field['settings']['link_path_field'])) {
throw new FieldUpdateForbiddenException(t('The link path cannot not be exposed for the ":menu_link_field" field.', array(':menu_link_field' => MENU_LINK_DEFAULT_FIELD)));
}
}
}
/**
* Implementation of hook_views_api().
*/
function menu_link_views_api() {
return array(
'api' => 3,
'path' => drupal_get_path('module', 'menu_link'),
);
}

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<?php
/**
* @file
* Tests for Menu link module.
*/
/**
* Tests for menu link field and formatter.
*/
class MenuLinkFieldTestCase extends DrupalWebTestCase {
protected $instance;
public static function getInfo() {
return array(
'name' => 'Menu link field',
'description' => 'Test the creation of menu link fields.',
'group' => 'Menu link',
);
}
function setUp() {
parent::setUp('field_test');
$web_user = $this->drupalCreateUser(array('access field_test content', 'administer field_test content'));
$this->drupalLogin($web_user);
// Setup a field and instance.
$this->field_name = drupal_strtolower($this->randomName());
$this->field = array(
'field_name' => $this->field_name,
'type' => 'menu_link',
);
field_create_field($this->field);
$this->instance = array(
'field_name' => $this->field_name,
'entity_type' => 'test_entity',
'bundle' => 'test_bundle',
'setings' => array(
'menu_options' => array('main-menu'),
),
'widget' => array(
'type' => 'menu_link_default',
),
'display' => array(
'full' => array(
'type' => 'menu_link_link',
),
),
);
field_create_instance($this->instance);
}
/**
* Test menu link field validation.
*/
function testMenuLinkFieldValidation() {
// Test valid and invalid values with field_attach_validate().
$langcode = LANGUAGE_NONE;
$entity = field_test_create_stub_entity();
$entity->uri = array('path' => 'test', 'options' => array());
$entity->{$this->field_name}[$langcode][0] = array(
'menu_name' => 'main-menu',
'plid' => 0,
'link_title' => 'Title'
);
try {
field_attach_validate('test_entity', $entity);
$this->pass(t('Correct menu link does not cause validation error'));
}
catch (FieldValidationException $e) {
$this->fail(t('Correct menu link does not cause validation error'));
}
$entity = field_test_create_stub_entity();
$entity->uri = array('path' => 'test', 'options' => array());
$entity->{$this->field_name}[$langcode][0] = array(
'menu_name' => 'nonexistant-menu',
'plid' => 0,
'link_title' => 'Title'
);
try {
field_attach_validate('test_entity', $entity);
$this->fail(t('Menu link with an invalid menu name causes validation error'));
}
catch (FieldValidationException $e) {
$this->pass(t('Menu link with an invalid menu name causes validation error'));
}
}
}

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<?php
function menu_link_views_data_alter(&$data) {
unset($data['field_data_menu_link']['menu_link_weight']['sort']['handler']);
$data['field_data_menu_link']['menu_link_weight']['sort']['handler'] = 'menu_link_handler_sort_weight';
}

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<?php
/**
* Menu callback: confirm rebuilding of relations.
*/
function menu_link_node_menu_admin_populate_confirm() {
return confirm_form(array(), t('Are you sure you want to populate the menu link field of nodes?'),
'admin/reports/status', t('This action populates the default menu link field on nodes with existing menu links, and may be a lengthy process.'), t('Populate'), t('Cancel'));
}
/**
* Submit handler that populates the default menu link field on nodes with existing menu links.
*/
function menu_link_node_menu_admin_populate_confirm_submit($form, &$form_state) {
$operations = array();
foreach (node_type_get_types() as $info) {
$instance = field_read_instance('node', MENU_LINK_DEFAULT_FIELD, $info->type);
if (!empty($instance)) {
$operations[] = array('menu_link_node_menu_admin_populate_batch_operation', array($instance));
}
}
if (!empty($operations)) {
$batch = array(
'title' => t('Populating the ":menu_link_field" field.', array(':menu_link_field' => MENU_LINK_DEFAULT_FIELD)),
'file' => drupal_get_path('module', 'menu_link_node_menu') . '/menu_link_node_menu.admin.inc',
'operations' => $operations,
);
batch_set($batch);
}
$form_state['redirect'] = 'admin/reports/status';
}
/**
* Batch operation: seize and store menu links of nodes in the MENU_LINK_DEFAULT_FIELD.
*
* This is a multistep operation, iterating all nodes with a menu link by
* packs of 20.
*/
function menu_link_node_menu_admin_populate_batch_operation($instance, &$context) {
$default_menu = !empty($instance['default value'][0]['menu_name']) ? $instance['default value'][0]['menu_name'] : 'main-menu';
$query = db_select('menu_links', 'ml');
$query->fields('ml', array('mlid', 'menu_name', 'plid', 'link_path', 'link_title', 'options', 'hidden', 'expanded', 'weight'));
$query->addExpression('ml.menu_name = :default_menu', 'default_menu', array(':default_menu' => $default_menu));
$query->addField('n', 'nid');
$query->innerJoin('node', 'n', "ml.link_path = CONCAT('node/', n.nid)");
$query->condition('ml.module', 'menu');
$query->condition('ml.menu_name', $instance['settings']['menu_options']);
$query->condition('ml.router_path', 'node/%');
$query->condition('n.type', $instance['bundle']);
$query->groupBy('ml.link_path');
$query->orderBy('default_menu', 'DESC');
$query->orderBy('ml.mlid');
if (empty($context['sandbox'])) {
// Initiate multistep processing.
$context['sandbox']['count'] = 0;
$context['sandbox']['current'] = 0;
$context['sandbox']['progress'] = 0;
$context['sandbox']['max'] = $query->countQuery()->execute()->fetchField();
}
// Process the next 20 menu links/nodes.
$limit = 20;
$menu_links = $query
->condition('ml.mlid', $context['sandbox']['current'], '>')
->range(0, $limit)
->execute()->fetchAllAssoc('nid', PDO::FETCH_ASSOC);
$nodes = node_load_multiple(array_keys($menu_links));
foreach ($nodes as $nid => $node) {
// To preserve database integrity, only populate the menu link field if the
// node loads successfully.
if (!empty($node) && empty($node->{MENU_LINK_DEFAULT_FIELD}[LANGUAGE_NONE])) {
$menu_links[$nid]['options'] = unserialize($menu_links[$nid]['options']);
$node->{MENU_LINK_DEFAULT_FIELD}[LANGUAGE_NONE][0] = $menu_links[$nid];
node_save($node);
$context['sandbox']['count']++;
}
$context['sandbox']['current'] = $menu_links[$nid]['mlid'];
}
$context['sandbox']['progress'] += $limit;
// Multistep processing: report progress.
if ($context['sandbox']['progress'] < $context['sandbox']['max']) {
$context['finished'] = $context['sandbox']['progress'] / $context['sandbox']['max'];
}
else {
$types = node_type_get_names();
drupal_set_message(t('Populated the ":menu_link_field" field of :count posts of type :node_type.', array(':menu_link_field' => MENU_LINK_DEFAULT_FIELD, ':count' => $context['sandbox']['count'], ':node_type' => $types[$instance['bundle']])));
}
}

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name = Menu link - Node menu
description = Use a menu link field for core.
package = Fields
core = 7.x
dependencies[] = menu_link
dependencies[] = menu
; Information added by drupal.org packaging script on 2012-07-03
version = "7.x-1.x-dev"
core = "7.x"
project = "menu_link"
datestamp = "1341318595"

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<?php
/**
* @file
* Install, update and uninstall functions for the Menu link module.
*/
/**
* Ensures availability of the MENU_LINK_DEFAULT_FIELD constant.
*/
require_once dirname(__FILE__) . '/../menu_link.module';
/**
* Implements hook_requirements().
*/
function menu_link_node_menu_requirements($phase) {
$requirements = array();
if ($phase == 'install') {
$prior_field = field_read_field(MENU_LINK_DEFAULT_FIELD, array('include_inactive' => TRUE));
if (!empty($prior_field) && !($prior_field['type'] == 'menu_link')) {
$t = get_t();
$requirements['menu_link_default_field'] = array(
'title' => $t('Field name already in use'),
'severity' => REQUIREMENT_ERROR,
'description' => $t('The field name ":menu_link_field" is already in use. This field name is required for the Menu link module. Please rename or remove the prior field before installing the Menu link module.', array(':menu_link_field' => MENU_LINK_DEFAULT_FIELD)),
);
}
}
if ($phase == 'runtime') {
$requirements['menu_link_node_menu'] = array(
'title' => t('Node Menu links'),
'value' => 'Synchronized',
'description' => l(t('Populate the menu link field of nodes.'), 'admin/reports/status/rebuild/node-menu-link'),
);
}
return $requirements;
}
/**
* Implements hook_install().
*/
function menu_link_node_menu_install() {
// Make sure the Menu link field type is available.
field_info_cache_clear();
$prior_field = field_read_field(MENU_LINK_DEFAULT_FIELD, array('include_inactive' => TRUE));
if (empty($prior_field)) {
// Create the default menu link field.
field_create_field(array(
'field_name' => MENU_LINK_DEFAULT_FIELD,
'type' => 'menu_link',
'storage' => array('type' => 'field_sql_storage'))
);
}
elseif (!$prior_field['active']) {
// Activate the default menu link field.
$prior_field['active'] = 1;
field_update_field($prior_field);
}
}
/**
* Implements hook_uninstall().
*
* @see menu_link_node_menu_disable()
* Passed ownership of menu links in the default menu link field to the Menu
* module.
* @see menu_link_field_delete()
* Deletes menu links when a menu link field is deleted, but only if they are
* owned by the Menu link module.
*/
function menu_link_node_menu_uninstall() {
// Remove instances of the default menu link field from all content types.
// Menu links won't be deleted as their ownership is passed to the Menu module
// in menu_link_node_menu_disable()
foreach (field_read_instances(array('entity_type' => 'node', 'field_name' => MENU_LINK_DEFAULT_FIELD)) as $instance) {
field_delete_instance($instance);
}
}
/**
* Implements hook_enable().
*
* @see menu_link_node_type_update()
* Creates instances of the MENU_LINK_DEFAULT_FIELD for content types that
* allow nodes to be placed in the menu.
*/
function menu_link_node_menu_enable() {
foreach (node_type_get_types() as $info) {
// Invokes menu_link_node_type_update().
node_type_save($info);
}
}
/**
* Implements hook_disable().
*/
function menu_link_node_menu_disable() {
$instances = field_read_instances(array('entity_type' => 'node', 'field_name' => MENU_LINK_DEFAULT_FIELD));
if (!empty($instances)) {
$bundles = array();
foreach ($instances as $instance) {
$bundles[] = $instance['bundle'];
}
// Pass on ownership of menu links previously owned by the Menu link module
// to the Menu module. We don't need to use menu_link_save() as an ownership
// change doesn't have to trigger hooks.
db_update('menu_links')
->fields(array('module' => 'menu'))
->condition('module', 'menu_link')
->exists(db_select('field_data_' . MENU_LINK_DEFAULT_FIELD, 'f')
->fields('f')
->condition('f.entity_type', 'node')
->condition('f.bundle', $bundles)
->where('f.' . MENU_LINK_DEFAULT_FIELD . '_mlid = mlid')
)
->execute();
// De-activate instances of the default menu link field on content types.
foreach ($instances as $instance) {
$instance['active'] = 0;
field_update_instance($instance);
}
}
}

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<?php
/**
* @file
* Use a menu link field for core.
*/
/**
* Implements hook_menu().
*/
function menu_link_node_menu_menu() {
$items['admin/reports/status/rebuild/node-menu-link'] = array(
'title' => 'Populate the default menu link field of nodes with existing menu links.',
'page callback' => 'drupal_get_form',
'page arguments' => array('menu_link_node_menu_admin_populate_confirm'),
'access arguments' => array('access administration pages'),
'type' => MENU_CALLBACK,
'file' => 'menu_link_node_menu.admin.inc',
);
return $items;
}
/**
* Implements hook_module_implements_alter().
*
* Prevent Menu module from adding a menu link form to node forms.
*/
function menu_link_node_menu_module_implements_alter(&$implementations, $hook) {
// Disable certain hook implementations of the Menu module.
if (in_array($hook, array('node_insert', 'node_update', 'node_delete', 'node_prepare', 'form_node_form_alter', 'node_submit'))) {
unset($implementations['menu']);
}
}
class MenuLinkNodeMenu implements ArrayAccess {
private $node = array();
private $menu;
public function __construct($node) {
$this->node = $node;
}
private function loadMenu() {
$item = array();
// Prepare the node for the edit form so that $node->menu always exists.
$menu_name = strtok(variable_get('menu_parent_' . $this->node->type, 'main-menu:0'), ':');
if (!empty($this->node->{MENU_LINK_DEFAULT_FIELD}[LANGUAGE_NONE][0]['mlid'])) {
$mlid = $this->node->{MENU_LINK_DEFAULT_FIELD}[LANGUAGE_NONE][0]['mlid'];
$item = menu_link_load($mlid);
}
// Set default values.
$this->menu = $item + array(
'link_title' => '',
'mlid' => 0,
'plid' => 0,
'menu_name' => $menu_name,
'weight' => 0,
'options' => array(),
'module' => 'menu',
'expanded' => 0,
'hidden' => 0,
'has_children' => 0,
'customized' => 0,
);
}
public function offsetSet($offset, $value) {
if (empty($this->menu)) {
$this->loadMenu();
}
if ($offset === NULL) {
$this->menu[] = $value;
}
else {
$this->menu[$offset] = $value;
}
}
public function offsetExists($offset) {
if (empty($this->menu)) {
$this->loadMenu();
}
return isset($this->menu[$offset]);
}
public function offsetUnset($offset) {
if (empty($this->menu)) {
$this->loadMenu();
}
unset($this->menu[$offset]);
}
public function offsetGet($offset) {
if (empty($this->menu)) {
$this->loadMenu();
}
return $this->menu[$offset];
}
}
/**
* Implements hook_node_load().
*
* @see menu_node_prepare()
* Loads node menu only if not set yet.
*/
function menu_link_node_menu_node_load($nodes, $types) {
foreach ($nodes as $node) {
$node->menu = new MenuLinkNodeMenu($node);
}
}
/**
* Implements hook_node_prepare().
*/
function menu_link_node_menu_node_prepare($node) {
$node->menu = new MenuLinkNodeMenu($node);
}
/**
* Implements hook_field_create_instance().
*/
function menu_link_node_menu_field_create_instance($instance) {
_menu_link_node_menu_update_type($instance);
}
/**
* Implements hook_field_update_instance().
*/
function menu_link_node_menu_field_update_instance($instance, $prior_instance) {
_menu_link_node_menu_update_type($instance);
}
/**
* Implements hook_node_type_insert().
*/
function menu_link_node_menu_node_type_insert($info) {
_menu_link_node_menu_update_field($info);
}
/**
* Implements hook_node_type_update().
*/
function menu_link_node_menu_node_type_update($info) {
_menu_link_node_menu_update_field($info);
}
/**
* Builds an instance of the default menu link field based on a content type's menu settings.
*
* @param $info object
* The content type object.
*
* @return array
* An associative array representing an instance structure.
*/
function _menu_link_node_menu_instance($info) {
$menu_options = variable_get('menu_options_' . $info->type, array('main-menu'));
$default = variable_get('menu_parent_' . $info->type, 'main-menu:0');
list($default_menu_name, $default_plid) = explode(':', $default);
return array(
'field_name' => MENU_LINK_DEFAULT_FIELD,
'entity_type' => 'node',
'bundle' => $info->type,
'label' => t('Menu'),
'settings' => array(
'menu_options' => $menu_options,
),
'default_value' => array(
0 => array(
'mlid' => NULL,
'menu_name' => $default_menu_name,
'plid' => $default_plid,
),
),
);
}
/**
* Adds, updates or deletes the default menu link field from a content type based on its menu settings.
*
* @param $info object
* The content type object.
*/
function _menu_link_node_menu_update_field($info) {
$prior_instance = field_read_instance('node', MENU_LINK_DEFAULT_FIELD, $info->type, array('include_inactive' => TRUE));
$menu_options = variable_get('menu_options_' . $info->type, array('main-menu'));
if (!empty($menu_options)) {
$instance = _menu_link_node_menu_instance($info);
$t_args = array('%label' => $instance['label'], '%name' => $info->name);
if (empty($prior_instance)) {
try {
field_create_instance($instance);
drupal_set_message(t('The %label field has been added to the %name content type.', $t_args));
}
catch (Exception $e) {
drupal_set_message(t('There was a problem creating field %label: @message.', array('%label' => $instance['label'], '@message' => $e->getMessage())));
}
}
else {
// TODO recursive?
// TODO only update field if actually changed.
// TODO reactivate inactivate field for new content types using a machine name that has been used before?
$instance = $prior_instance + $instance;
try {
field_update_instance($instance);
//drupal_set_message(t('The %label field has updated.', $t_args));
}
catch (Exception $e) {
drupal_set_message(t('There was a problem creating field %label: @message.', array('%label' => $instance['label'], '@message' => $e->getMessage())));
}
}
}
elseif (!empty($prior_instance)) {
$t_args = array('%label' => $prior_instance['label'], '%name' => $info->name);
field_delete_instance($prior_instance);
drupal_set_message(t('The %label field has been removed from the %name content type.', $t_args));
}
}
/**
* Synchronizes content type's menu settings with those of the default menu link field.
*
* @param $instance array
* A field instance definition array.
*/
function _menu_link_node_menu_update_type($instance) {
if ($instance['entity_type'] == 'node' && $instance['field_name'] == MENU_LINK_DEFAULT_FIELD) {
variable_set('menu_options_' . $instance['bundle'], $instance['settings']['menu_options']);
if (isset($instance['default_value'][0])) {
$default = $instance['default_value'][0]['menu_name'] . ':' . $instance['default_value'][0]['plid'];
}
elseif (isset($instance['settings']['menu_options']['main-menu'])) {
$default = 'main-menu:0';
}
else {
$default = reset($instance['settings']['menu_options']) . ':0';
}
variable_set('menu_parent_' . $instance['bundle'], $default);
}
}

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<?php
/**
* Handler for menu weight field of menu_link module
*/
class menu_link_handler_sort_weight extends views_handler_sort {
function option_definition() {
$options = parent::option_definition();
$options['lowest'] = array('default' => 1);
$options['highest'] = array('default' => 3);
return $options;
}
function options_form(&$form, &$form_state) {
parent::options_form($form, $form_state);
$level_vals = array();
for ($i = 1; $i < 10; $i++) {
$level_vals[$i] = $i;
}
$form['lowest'] = array(
'#type' => 'select',
'#options' => $level_vals,
'#default_value' => isset($this->options['lowest']) ? $this->options['lowest'] : 1,
'#title' => t('Start level'),
'#description' => t('This tells the sort handler from which value the sort will begin.'),
);
$form['highest'] = array(
'#type' => 'select',
'#options' => $level_vals,
'#default_value' => isset($this->options['highest']) ? $this->options['highest'] : 3,
'#title' => t('End level'),
'#description' => t('Set the deepest / highest level the sort will attempt to sort'),
);
}
function options_validate(&$form, &$form_state) {
parent::options_validate($form, $form_state);
$vals = $form_state['values']['options'];
// the lowest limit has to be bigger than the selected highest
if ($vals['lowest'] < $this->vals['highest']) {
form_set_error('lowest', 'The lowest level has to be bigger than the highest value');
}
}
/**
* Called to add additional OrderBy statements to the query.
*/
function query() {
$this->ensure_my_table();
$params = array(
'function' => $this->options['group_type'],
);
$highest = $this->options['highest'];
$join = new views_join();
$join->definition = array(
'left_field' => 'menu_link_mlid',
'field' => 'mlid',
'table' => 'menu_links',
'left_table' => 'field_data_menu_link',
);
$join->table = 'menu_links';
$join->left_table = 'field_data_menu_link';
$join->left_field = 'menu_link_mlid';
$join->field = 'mlid';
$join->type = 'LEFT';
$this->query->add_relationship('menu_links', $join, 'menu_links');
$this->query->add_table('menu_links', 'menu_links', $join);
$from = 1;
if (isset($this->options['lowest']) && ($this->options['lowest'] > 0)) {
$from = $this->options['lowest'];
}
for ($i = $from; $i <= $highest; $i++) {
$index = $i;
$addjoin = new views_join();
$addjoin->definition = array(
'left_field' => 'p' .$index,
'field' => 'mlid',
'table' => 'menu_links',
'left_table' => 'menu_links',
);
$addjoin->table = 'menu_links';
$addjoin->left_table = 'menu_links';
$addjoin->left_field = 'p' .$index;
$addjoin->field = 'mlid';
$addjoin->type = 'LEFT';
$alias = 'nml_p' .$index;
$this->query->add_relationship('nml_p' .$index, $addjoin, 'nml_p' .$index);
$this->query->add_table('menu_links', $alias, $addjoin);
$this->query->add_orderby(NULL, $alias . '.weight', $this->options['order'], NULL, $params);
}
}
function ui_name($short = FALSE) {
return $this->get_field(parent::ui_name($short));
}
}