shortcut.admin.inc

<?php


/**
 * @file
 * Administrative page callbacks for the shortcut module.
 */

/**
 * Returns the maximum number of shortcut "slots" available per shortcut set.
 *
 * This is used as a limitation in the user interface only.
 *
 * @return
 *   The maximum number of shortcuts allowed to be added to a shortcut set.
 */
function shortcut_max_slots() {
    return variable_get('shortcut_max_slots', 7);
}

/**
 * Form callback: builds the form for switching shortcut sets.
 *
 * @param $form
 *   An associative array containing the structure of the form.
 * @param $form_state
 *   An associative array containing the current state of the form.
 * @param $account
 *   (optional) The user account whose shortcuts will be switched. Defaults to
 *   the current logged-in user.
 *
 * @return
 *   An array representing the form definition.
 *
 * @ingroup forms
 * @see shortcut_set_switch_validate()
 * @see shortcut_set_switch_submit()
 */
function shortcut_set_switch($form, &$form_state, $account = NULL) {
    global $user;
    if (!isset($account)) {
        $account = $user;
    }
    // Prepare the list of shortcut sets.
    $sets = shortcut_sets();
    $current_set = shortcut_current_displayed_set($account);
    $options = array();
    foreach ($sets as $name => $set) {
        $options[$name] = check_plain($set->title);
    }
    // Only administrators can add shortcut sets.
    $add_access = user_access('administer shortcuts');
    if ($add_access) {
        $options['new'] = t('New set');
    }
    if (count($options) > 1) {
        $form['account'] = array(
            '#type' => 'value',
            '#value' => $account,
        );
        $form['set'] = array(
            '#type' => 'radios',
            '#title' => $user->uid == $account->uid ? t('Choose a set of shortcuts to use') : t('Choose a set of shortcuts for this user'),
            '#options' => $options,
            '#default_value' => $current_set->set_name,
        );
        $form['new'] = array(
            '#type' => 'textfield',
            '#title' => t('Name'),
            '#title_display' => 'invisible',
            '#description' => t('The new set is created by copying items from your default shortcut set.'),
            '#access' => $add_access,
        );
        if ($user->uid != $account->uid) {
            $default_set = shortcut_default_set($account);
            $form['new']['#description'] = t('The new set is created by copying items from the %default set.', array(
                '%default' => $default_set->title,
            ));
        }
        $form['#attached'] = array(
            'css' => array(
                drupal_get_path('module', 'shortcut') . '/shortcut.admin.css',
            ),
            'js' => array(
                drupal_get_path('module', 'shortcut') . '/shortcut.admin.js',
            ),
        );
        $form['actions'] = array(
            '#type' => 'actions',
        );
        $form['actions']['submit'] = array(
            '#type' => 'submit',
            '#value' => t('Change set'),
        );
    }
    else {
        // There is only 1 option, so output a message in the $form array.
        $form['info'] = array(
            '#markup' => '<p>' . t('You are currently using the %set-name shortcut set.', array(
                '%set-name' => $current_set->title,
            )) . '</p>',
        );
    }
    return $form;
}

/**
 * Validation handler for shortcut_set_switch().
 */
function shortcut_set_switch_validate($form, &$form_state) {
    if ($form_state['values']['set'] == 'new') {
        // Check to prevent creating a shortcut set with an empty title.
        if (trim($form_state['values']['new']) == '') {
            form_set_error('new', t('The new set name is required.'));
        }
        // Check to prevent a duplicate title.
        if (shortcut_set_title_exists($form_state['values']['new'])) {
            form_set_error('new', t('The shortcut set %name already exists. Choose another name.', array(
                '%name' => $form_state['values']['new'],
            )));
        }
    }
}

/**
 * Submit handler for shortcut_set_switch().
 */
function shortcut_set_switch_submit($form, &$form_state) {
    global $user;
    $account = $form_state['values']['account'];
    if ($form_state['values']['set'] == 'new') {
        // Save a new shortcut set with links copied from the user's default set.
        $default_set = shortcut_default_set($account);
        $set = (object) array(
            'title' => $form_state['values']['new'],
            'links' => menu_links_clone($default_set->links),
        );
        shortcut_set_save($set);
        $replacements = array(
            '%user' => $account->name,
            '%set_name' => $set->title,
            '@switch-url' => url(current_path()),
        );
        if ($account->uid == $user->uid) {
            // Only administrators can create new shortcut sets, so we know they have
            // access to switch back.
            drupal_set_message(t('You are now using the new %set_name shortcut set. You can edit it from this page or <a href="@switch-url">switch back to a different one.</a>', $replacements));
        }
        else {
            drupal_set_message(t('%user is now using a new shortcut set called %set_name. You can edit it from this page.', $replacements));
        }
        $form_state['redirect'] = 'admin/config/user-interface/shortcut/' . $set->set_name;
    }
    else {
        // Switch to a different shortcut set.
        $set = shortcut_set_load($form_state['values']['set']);
        $replacements = array(
            '%user' => $account->name,
            '%set_name' => $set->title,
        );
        drupal_set_message($account->uid == $user->uid ? t('You are now using the %set_name shortcut set.', $replacements) : t('%user is now using the %set_name shortcut set.', $replacements));
    }
    // Assign the shortcut set to the provided user account.
    shortcut_set_assign_user($set, $account);
}

/**
 * Menu page callback: builds the page for administering shortcut sets.
 */
function shortcut_set_admin() {
    $shortcut_sets = shortcut_sets();
    $header = array(
        t('Name'),
        array(
            'data' => t('Operations'),
            'colspan' => 4,
        ),
    );
    $rows = array();
    foreach ($shortcut_sets as $set) {
        $row = array(
            check_plain($set->title),
            l(t('list links'), "admin/config/user-interface/shortcut/{$set->set_name}"),
            l(t('edit set name'), "admin/config/user-interface/shortcut/{$set->set_name}/edit"),
        );
        if (shortcut_set_delete_access($set)) {
            $row[] = l(t('delete set'), "admin/config/user-interface/shortcut/{$set->set_name}/delete");
        }
        else {
            $row[] = '';
        }
        $rows[] = $row;
    }
    return theme('table', array(
        'header' => $header,
        'rows' => $rows,
    ));
}

/**
 * Form callback: builds the form for adding a shortcut set.
 *
 * @param $form
 *   An associative array containing the structure of the form.
 * @param $form_state
 *   An associative array containing the current state of the form.
 *
 * @return
 *   An array representing the form definition.
 *
 * @ingroup forms
 * @see shortcut_set_add_form_validate()
 * @see shortcut_set_add_form_submit()
 */
function shortcut_set_add_form($form, &$form_state) {
    $form['new'] = array(
        '#type' => 'textfield',
        '#title' => t('Set name'),
        '#description' => t('The new set is created by copying items from your default shortcut set.'),
        '#required' => TRUE,
    );
    $form['actions'] = array(
        '#type' => 'actions',
    );
    $form['actions']['submit'] = array(
        '#type' => 'submit',
        '#value' => t('Create new set'),
    );
    return $form;
}

/**
 * Validation handler for shortcut_set_add_form().
 */
function shortcut_set_add_form_validate($form, &$form_state) {
    // Check to prevent a duplicate title.
    if (shortcut_set_title_exists($form_state['values']['new'])) {
        form_set_error('new', t('The shortcut set %name already exists. Choose another name.', array(
            '%name' => $form_state['values']['new'],
        )));
    }
}

/**
 * Submit handler for shortcut_set_add_form().
 */
function shortcut_set_add_form_submit($form, &$form_state) {
    // Save a new shortcut set with links copied from the user's default set.
    $default_set = shortcut_default_set();
    $set = (object) array(
        'title' => $form_state['values']['new'],
        'links' => menu_links_clone($default_set->links),
    );
    shortcut_set_save($set);
    drupal_set_message(t('The %set_name shortcut set has been created. You can edit it from this page.', array(
        '%set_name' => $set->title,
    )));
    $form_state['redirect'] = 'admin/config/user-interface/shortcut/' . $set->set_name;
}

/**
 * Form callback: builds the form for customizing shortcut sets.
 *
 * @param $form
 *   An associative array containing the structure of the form.
 * @param $form_state
 *   An associative array containing the current state of the form.
 * @param $shortcut_set
 *   An object representing the shortcut set which is being edited.
 *
 * @return
 *   An array representing the form definition.
 *
 * @ingroup forms
 * @see shortcut_set_customize_submit()
 */
function shortcut_set_customize($form, &$form_state, $shortcut_set) {
    $form['#shortcut_set_name'] = $shortcut_set->set_name;
    $form['shortcuts'] = array(
        '#tree' => TRUE,
        '#weight' => -20,
        'enabled' => array(),
        'disabled' => array(),
    );
    foreach ($shortcut_set->links as $link) {
        $mlid = $link['mlid'];
        $status = $link['hidden'] ? 'disabled' : 'enabled';
        $form['shortcuts'][$status][$mlid]['name']['#markup'] = l($link['link_title'], $link['link_path']);
        $form['shortcuts'][$status][$mlid]['weight'] = array(
            '#type' => 'weight',
            '#title' => t('Weight'),
            '#delta' => 50,
            '#default_value' => $link['weight'],
            '#attributes' => array(
                'class' => array(
                    'shortcut-weight',
                ),
            ),
        );
        $form['shortcuts'][$status][$mlid]['status'] = array(
            '#type' => 'select',
            '#title' => t('Status'),
            '#options' => array(
                'disabled' => t('Disabled'),
                'enabled' => t('Enabled'),
            ),
            '#default_value' => $status,
            '#attributes' => array(
                'class' => array(
                    'shortcut-status-select',
                ),
            ),
        );
        $form['shortcuts'][$status][$mlid]['edit']['#markup'] = l(t('edit'), 'admin/config/user-interface/shortcut/link/' . $mlid);
        $form['shortcuts'][$status][$mlid]['delete']['#markup'] = l(t('delete'), 'admin/config/user-interface/shortcut/link/' . $mlid . '/delete');
    }
    $form['#attached'] = array(
        'css' => array(
            drupal_get_path('module', 'shortcut') . '/shortcut.admin.css',
        ),
        'js' => array(
            drupal_get_path('module', 'shortcut') . '/shortcut.admin.js',
        ),
    );
    $form['actions'] = array(
        '#type' => 'actions',
        '#access' => !empty($shortcut_set->links),
    );
    $form['actions']['submit'] = array(
        '#type' => 'submit',
        '#value' => t('Save changes'),
    );
    return $form;
}

/**
 * Submit handler for shortcut_set_customize().
 */
function shortcut_set_customize_submit($form, &$form_state) {
    foreach ($form_state['values']['shortcuts'] as $group => $links) {
        foreach ($links as $mlid => $data) {
            $link = menu_link_load($mlid);
            $link['hidden'] = $data['status'] == 'enabled' ? 0 : 1;
            $link['weight'] = $data['weight'];
            menu_link_save($link);
        }
    }
    drupal_set_message(t('The shortcut set has been updated.'));
}

/**
 * Returns HTML for a shortcut set customization form.
 *
 * @param $variables
 *   An associative array containing:
 *   - form: A render element representing the form.
 *
 * @see shortcut_set_customize()
 * @ingroup themeable
 */
function theme_shortcut_set_customize($variables) {
    $form = $variables['form'];
    $map = array(
        'disabled' => t('Disabled'),
        'enabled' => t('Enabled'),
    );
    $shortcuts_by_status = array(
        'enabled' => element_children($form['shortcuts']['enabled']),
        'disabled' => element_children($form['shortcuts']['disabled']),
    );
    // Do not add any rows to the table if there are no shortcuts to display.
    $statuses = empty($shortcuts_by_status['enabled']) && empty($shortcuts_by_status['disabled']) ? array() : array_keys($shortcuts_by_status);
    $rows = array();
    foreach ($statuses as $status) {
        drupal_add_tabledrag('shortcuts', 'match', 'sibling', 'shortcut-status-select');
        drupal_add_tabledrag('shortcuts', 'order', 'sibling', 'shortcut-weight');
        $rows[] = array(
            'data' => array(
                array(
                    'colspan' => 5,
                    'data' => '<strong>' . $map[$status] . '</strong>',
                ),
            ),
            'class' => array(
                'shortcut-status',
                'shortcut-status-' . $status,
            ),
        );
        foreach ($shortcuts_by_status[$status] as $key) {
            $shortcut =& $form['shortcuts'][$status][$key];
            $row = array();
            $row[] = drupal_render($shortcut['name']);
            $row[] = drupal_render($shortcut['weight']);
            $row[] = drupal_render($shortcut['status']);
            $row[] = drupal_render($shortcut['edit']);
            $row[] = drupal_render($shortcut['delete']);
            $rows[] = array(
                'data' => $row,
                'class' => array(
                    'draggable',
                ),
            );
        }
        if ($status == 'enabled') {
            for ($i = 0; $i < shortcut_max_slots(); $i++) {
                $rows['empty-' . $i] = array(
                    'data' => array(
                        array(
                            'colspan' => 5,
                            'data' => '<em>' . t('Empty') . '</em>',
                        ),
                    ),
                    'class' => array(
                        'shortcut-slot-empty',
                    ),
                );
            }
            $count_shortcuts = count($shortcuts_by_status[$status]);
            if (!empty($count_shortcuts)) {
                for ($i = 0; $i < min($count_shortcuts, shortcut_max_slots()); $i++) {
                    $rows['empty-' . $i]['class'][] = 'shortcut-slot-hidden';
                }
            }
        }
    }
    $header = array(
        t('Name'),
        t('Weight'),
        t('Status'),
        array(
            'data' => t('Operations'),
            'colspan' => 2,
        ),
    );
    $output = theme('table', array(
        'header' => $header,
        'rows' => $rows,
        'attributes' => array(
            'id' => 'shortcuts',
        ),
        'empty' => t('No shortcuts available. <a href="@link">Add a shortcut</a>.', array(
            '@link' => url('admin/config/user-interface/shortcut/' . $form['#shortcut_set_name'] . '/add-link'),
        )),
    ));
    $output .= drupal_render($form['actions']);
    $output = drupal_render_children($form) . $output;
    return $output;
}

/**
 * Form callback: builds the form for adding a new shortcut link.
 *
 * @param $form
 *   An associative array containing the structure of the form.
 * @param $form_state
 *   An associative array containing the current state of the form.
 * @param $shortcut_set
 *   An object representing the shortcut set to which the link will be added.
 *
 * @return
 *   An array representing the form definition.
 *
 * @ingroup forms
 * @see shortcut_link_edit_validate()
 * @see shortcut_link_add_submit()
 */
function shortcut_link_add($form, &$form_state, $shortcut_set) {
    drupal_set_title(t('Add new shortcut'));
    $form['shortcut_set'] = array(
        '#type' => 'value',
        '#value' => $shortcut_set,
    );
    $form += _shortcut_link_form_elements();
    return $form;
}

/**
 * Form callback: builds the form for editing a shortcut link.
 *
 * @param $form
 *   An associative array containing the structure of the form.
 * @param $form_state
 *   An associative array containing the current state of the form.
 * @param $shortcut_link
 *   An array representing the link that is being edited.
 *
 * @return
 *   An array representing the form definition.
 *
 * @ingroup forms
 * @see shortcut_link_edit_validate()
 * @see shortcut_link_edit_submit()
 */
function shortcut_link_edit($form, &$form_state, $shortcut_link) {
    drupal_set_title(t('Editing @shortcut', array(
        '@shortcut' => $shortcut_link['link_title'],
    )));
    $form['original_shortcut_link'] = array(
        '#type' => 'value',
        '#value' => $shortcut_link,
    );
    $form += _shortcut_link_form_elements($shortcut_link);
    return $form;
}

/**
 * Helper function for building a form for adding or editing shortcut links.
 *
 * @param $shortcut_link
 *   (optional) An array representing the shortcut link that will be edited. If
 *   not provided, a new link will be created.
 *
 * @return
 *   An array of form elements.
 */
function _shortcut_link_form_elements($shortcut_link = NULL) {
    if (!isset($shortcut_link)) {
        $shortcut_link = array(
            'link_title' => '',
            'link_path' => '',
        );
    }
    else {
        $shortcut_link['link_path'] = $shortcut_link['link_path'] == '<front>' ? '' : drupal_get_path_alias($shortcut_link['link_path']);
    }
    $form['shortcut_link']['#tree'] = TRUE;
    $form['shortcut_link']['link_title'] = array(
        '#type' => 'textfield',
        '#title' => t('Name'),
        '#description' => t('The name of the shortcut.'),
        '#size' => 40,
        '#maxlength' => 255,
        '#default_value' => $shortcut_link['link_title'],
        '#required' => TRUE,
    );
    $form['shortcut_link']['link_path'] = array(
        '#type' => 'textfield',
        '#title' => t('Path'),
        '#description' => t('The path to the shortcut.'),
        '#size' => 40,
        '#maxlength' => 255,
        '#field_prefix' => url(NULL, array(
            'absolute' => TRUE,
        )) . (variable_get('clean_url', 0) ? '' : '?q='),
        '#default_value' => $shortcut_link['link_path'],
    );
    $form['#validate'][] = 'shortcut_link_edit_validate';
    $form['actions'] = array(
        '#type' => 'actions',
    );
    $form['actions']['submit'] = array(
        '#type' => 'submit',
        '#value' => t('Save'),
    );
    return $form;
}

/**
 * Validation handler for the shortcut link add and edit forms.
 */
function shortcut_link_edit_validate($form, &$form_state) {
    if (!shortcut_valid_link($form_state['values']['shortcut_link']['link_path'])) {
        form_set_error('shortcut_link][link_path', t('The link must correspond to a valid path on the site.'));
    }
}

/**
 * Submit handler for shortcut_link_edit().
 */
function shortcut_link_edit_submit($form, &$form_state) {
    // Normalize the path in case it is an alias.
    $shortcut_path = drupal_get_normal_path($form_state['values']['shortcut_link']['link_path']);
    if (empty($shortcut_path)) {
        $shortcut_path = '<front>';
    }
    $form_state['values']['shortcut_link']['link_path'] = $shortcut_path;
    $shortcut_link = array_merge($form_state['values']['original_shortcut_link'], $form_state['values']['shortcut_link']);
    menu_link_save($shortcut_link);
    $form_state['redirect'] = 'admin/config/user-interface/shortcut/' . $shortcut_link['menu_name'];
    drupal_set_message(t('The shortcut %link has been updated.', array(
        '%link' => $shortcut_link['link_title'],
    )));
}

/**
 * Submit handler for shortcut_link_add().
 */
function shortcut_link_add_submit($form, &$form_state) {
    // Add the shortcut link to the set.
    $shortcut_set = $form_state['values']['shortcut_set'];
    $shortcut_link = $form_state['values']['shortcut_link'];
    $shortcut_link['menu_name'] = $shortcut_set->set_name;
    shortcut_admin_add_link($shortcut_link, $shortcut_set, shortcut_max_slots());
    shortcut_set_save($shortcut_set);
    $form_state['redirect'] = 'admin/config/user-interface/shortcut/' . $shortcut_link['menu_name'];
    drupal_set_message(t('Added a shortcut for %title.', array(
        '%title' => $shortcut_link['link_title'],
    )));
}

/**
 * Adds a link to the end of a shortcut set, keeping within a prescribed limit.
 *
 * @param $link
 *   An array representing a shortcut link.
 * @param $shortcut_set
 *   An object representing the shortcut set which the link will be added to.
 *   The links in the shortcut set will be re-weighted so that the new link is
 *   at the end, and some existing links may be disabled (if the $limit
 *   parameter is provided).
 * @param $limit
 *   (optional) The maximum number of links that are allowed to be enabled for
 *   this shortcut set. If provided, existing links at the end of the list that
 *   exceed the limit will be automatically disabled. If not provided, no limit
 *   will be enforced.
 */
function shortcut_admin_add_link($shortcut_link, &$shortcut_set, $limit = NULL) {
    if (isset($limit)) {
        // Disable any existing links at the end of the list that would cause the
        // limit to be exceeded. Take into account whether or not the new link will
        // be enabled and count towards the total.
        $number_enabled = !empty($shortcut_link['hidden']) ? 0 : 1;
        foreach ($shortcut_set->links as &$link) {
            if (!$link['hidden']) {
                $number_enabled++;
                if ($number_enabled > $limit) {
                    $link['hidden'] = 1;
                }
            }
        }
    }
    // Normalize the path in case it is an alias.
    $shortcut_link['link_path'] = drupal_get_normal_path($shortcut_link['link_path']);
    if (empty($shortcut_link['link_path'])) {
        $shortcut_link['link_path'] = '<front>';
    }
    // Add the link to the end of the list.
    $shortcut_set->links[] = $shortcut_link;
    shortcut_set_reset_link_weights($shortcut_set);
}

/**
 * Form callback: builds the form for editing the shortcut set name.
 *
 * @param $form
 *   An associative array containing the structure of the form.
 * @param $form_state
 *   An associative array containing the current state of the form.
 * @param object $shortcut_set
 *   An object representing the shortcut set, as returned from
 *   shortcut_set_load().
 *
 * @return
 *   An array representing the form definition.
 *
 * @ingroup forms
 * @see shortcut_set_edit_form_validate()
 * @see shortcut_set_edit_form_submit()
 */
function shortcut_set_edit_form($form, &$form_state, $shortcut_set) {
    $form['shortcut_set'] = array(
        '#type' => 'value',
        '#value' => $shortcut_set,
    );
    $form['title'] = array(
        '#type' => 'textfield',
        '#title' => t('Set name'),
        '#default_value' => $shortcut_set->title,
        '#maxlength' => 255,
        '#required' => TRUE,
        '#weight' => -5,
    );
    $form['actions'] = array(
        '#type' => 'actions',
    );
    $form['actions']['submit'] = array(
        '#type' => 'submit',
        '#value' => t('Save'),
        '#weight' => 5,
    );
    return $form;
}

/**
 * Validation handler for shortcut_set_edit_form().
 */
function shortcut_set_edit_form_validate($form, &$form_state) {
    // Check to prevent a duplicate title, if the title was edited from its
    // original value.
    if ($form_state['values']['title'] != $form_state['values']['shortcut_set']->title && shortcut_set_title_exists($form_state['values']['title'])) {
        form_set_error('title', t('The shortcut set %name already exists. Choose another name.', array(
            '%name' => $form_state['values']['title'],
        )));
    }
}

/**
 * Submit handler for shortcut_set_edit_form().
 */
function shortcut_set_edit_form_submit($form, &$form_state) {
    $shortcut_set = $form_state['values']['shortcut_set'];
    $shortcut_set->title = $form_state['values']['title'];
    shortcut_set_save($shortcut_set);
    drupal_set_message(t('Updated set name to %set-name.', array(
        '%set-name' => $shortcut_set->title,
    )));
    $form_state['redirect'] = "admin/config/user-interface/shortcut/{$shortcut_set->set_name}";
}

/**
 * Form callback: builds the confirmation form for deleting a shortcut set.
 *
 * @param $form
 *   An associative array containing the structure of the form.
 * @param $form_state
 *   An associative array containing the current state of the form.
 * @param object $shortcut_set
 *   An object representing the shortcut set, as returned from
 *   shortcut_set_load().
 *
 * @return
 *   An array representing the form definition.
 *
 * @ingroup forms
 * @see shortcut_set_delete_form_submit()
 */
function shortcut_set_delete_form($form, &$form_state, $shortcut_set) {
    $form['shortcut_set'] = array(
        '#type' => 'value',
        '#value' => $shortcut_set->set_name,
    );
    // Find out how many users are directly assigned to this shortcut set, and
    // make a message.
    $number = db_query('SELECT COUNT(*) FROM {shortcut_set_users} WHERE set_name = :name', array(
        ':name' => $shortcut_set->set_name,
    ))
        ->fetchField();
    $info = '';
    if ($number) {
        $info .= '<p>' . format_plural($number, '1 user has chosen or been assigned to this shortcut set.', '@count users have chosen or been assigned to this shortcut set.') . '</p>';
    }
    // Also, if a module implements hook_shortcut_default_set(), it's possible
    // that this set is being used as a default set. Add a message about that too.
    if (count(module_implements('shortcut_default_set')) > 0) {
        $info .= '<p>' . t('If you have chosen this shortcut set as the default for some or all users, they may also be affected by deleting it.') . '</p>';
    }
    $form['info'] = array(
        '#markup' => $info,
    );
    return confirm_form($form, t('Are you sure you want to delete the shortcut set %title?', array(
        '%title' => $shortcut_set->title,
    )), 'admin/config/user-interface/shortcut/' . $shortcut_set->set_name, t('This action cannot be undone.'), t('Delete'), t('Cancel'));
}

/**
 * Submit handler for shortcut_set_delete_form().
 */
function shortcut_set_delete_form_submit($form, &$form_state) {
    $shortcut_set = shortcut_set_load($form_state['values']['shortcut_set']);
    shortcut_set_delete($shortcut_set);
    $form_state['redirect'] = 'admin/config/user-interface/shortcut';
    drupal_set_message(t('The shortcut set %title has been deleted.', array(
        '%title' => $shortcut_set->title,
    )));
}

/**
 * Form callback: builds the confirmation form for deleting a shortcut link.
 *
 * @param $form
 *   An associative array containing the structure of the form.
 * @param $form_state
 *   An associative array containing the current state of the form.
 * @param $shortcut_link
 *   An array representing the link that will be deleted.
 *
 * @return
 *   An array representing the form definition.
 *
 * @ingroup forms
 * @see shortcut_link_delete_submit()
 */
function shortcut_link_delete($form, &$form_state, $shortcut_link) {
    $form['shortcut_link'] = array(
        '#type' => 'value',
        '#value' => $shortcut_link,
    );
    return confirm_form($form, t('Are you sure you want to delete the shortcut %title?', array(
        '%title' => $shortcut_link['link_title'],
    )), 'admin/config/user-interface/shortcut/' . $shortcut_link['menu_name'], t('This action cannot be undone.'), t('Delete'), t('Cancel'));
}

/**
 * Submit handler for shortcut_link_delete_submit().
 */
function shortcut_link_delete_submit($form, &$form_state) {
    $shortcut_link = $form_state['values']['shortcut_link'];
    menu_link_delete($shortcut_link['mlid']);
    $form_state['redirect'] = 'admin/config/user-interface/shortcut/' . $shortcut_link['menu_name'];
    drupal_set_message(t('The shortcut %title has been deleted.', array(
        '%title' => $shortcut_link['link_title'],
    )));
}

/**
 * Menu page callback: creates a new link in the provided shortcut set.
 *
 * After completion, redirects the user back to where they came from.
 *
 * @param $shortcut_set
 *   Returned from shortcut_set_load().
 */
function shortcut_link_add_inline($shortcut_set) {
    if (isset($_REQUEST['token']) && drupal_valid_token($_REQUEST['token'], 'shortcut-add-link') && shortcut_valid_link($_GET['link'])) {
        $item = menu_get_item($_GET['link']);
        $title = $item && $item['title'] ? $item['title'] : $_GET['name'];
        $link = array(
            'link_title' => $title,
            'link_path' => $_GET['link'],
        );
        shortcut_admin_add_link($link, $shortcut_set, shortcut_max_slots());
        if (shortcut_set_save($shortcut_set)) {
            drupal_set_message(t('Added a shortcut for %title.', array(
                '%title' => $link['link_title'],
            )));
        }
        else {
            drupal_set_message(t('Unable to add a shortcut for %title.', array(
                '%title' => $link['link_title'],
            )));
        }
        drupal_goto();
    }
    return MENU_ACCESS_DENIED;
}