cms/drupal/modules/shortcut/shortcut.admin.inc
changeset 541 e756a8c72c3d
equal deleted inserted replaced
540:07239de796bb 541:e756a8c72c3d
       
     1 <?php
       
     2 
       
     3 /**
       
     4  * @file
       
     5  * Administrative page callbacks for the shortcut module.
       
     6  */
       
     7 
       
     8 /**
       
     9  * Returns the maximum number of shortcut "slots" available per shortcut set.
       
    10  *
       
    11  * This is used as a limitation in the user interface only.
       
    12  *
       
    13  * @return
       
    14  *   The maximum number of shortcuts allowed to be added to a shortcut set.
       
    15  */
       
    16 function shortcut_max_slots() {
       
    17   return variable_get('shortcut_max_slots', 7);
       
    18 }
       
    19 
       
    20 /**
       
    21  * Form callback: builds the form for switching shortcut sets.
       
    22  *
       
    23  * @param $form
       
    24  *   An associative array containing the structure of the form.
       
    25  * @param $form_state
       
    26  *   An associative array containing the current state of the form.
       
    27  * @param $account
       
    28  *   (optional) The user account whose shortcuts will be switched. Defaults to
       
    29  *   the current logged-in user.
       
    30  *
       
    31  * @return
       
    32  *   An array representing the form definition.
       
    33  *
       
    34  * @ingroup forms
       
    35  * @see shortcut_set_switch_validate()
       
    36  * @see shortcut_set_switch_submit()
       
    37  */
       
    38 function shortcut_set_switch($form, &$form_state, $account = NULL) {
       
    39   global $user;
       
    40   if (!isset($account)) {
       
    41     $account = $user;
       
    42   }
       
    43 
       
    44   // Prepare the list of shortcut sets.
       
    45   $sets = shortcut_sets();
       
    46   $current_set = shortcut_current_displayed_set($account);
       
    47 
       
    48   $options = array();
       
    49   foreach ($sets as $name => $set) {
       
    50     $options[$name] = check_plain($set->title);
       
    51   }
       
    52 
       
    53   // Only administrators can add shortcut sets.
       
    54   $add_access = user_access('administer shortcuts');
       
    55   if ($add_access) {
       
    56     $options['new'] = t('New set');
       
    57   }
       
    58 
       
    59   if (count($options) > 1) {
       
    60     $form['account'] = array(
       
    61       '#type' => 'value',
       
    62       '#value' => $account,
       
    63     );
       
    64 
       
    65     $form['set'] = array(
       
    66       '#type' => 'radios',
       
    67       '#title' => $user->uid == $account->uid ? t('Choose a set of shortcuts to use') : t('Choose a set of shortcuts for this user'),
       
    68       '#options' => $options,
       
    69       '#default_value' => $current_set->set_name,
       
    70     );
       
    71 
       
    72     $form['new'] = array(
       
    73       '#type' => 'textfield',
       
    74       '#title' => t('Name'),
       
    75       '#title_display' => 'invisible',
       
    76       '#description' => t('The new set is created by copying items from your default shortcut set.'),
       
    77       '#access' => $add_access,
       
    78     );
       
    79 
       
    80     if ($user->uid != $account->uid) {
       
    81       $default_set = shortcut_default_set($account);
       
    82       $form['new']['#description'] = t('The new set is created by copying items from the %default set.', array('%default' => $default_set->title));
       
    83     }
       
    84 
       
    85     $form['#attached'] = array(
       
    86       'css' => array(drupal_get_path('module', 'shortcut') . '/shortcut.admin.css'),
       
    87       'js' => array(drupal_get_path('module', 'shortcut') . '/shortcut.admin.js'),
       
    88     );
       
    89 
       
    90     $form['actions'] = array('#type' => 'actions');
       
    91     $form['actions']['submit'] = array(
       
    92       '#type' => 'submit',
       
    93       '#value' => t('Change set'),
       
    94     );
       
    95   }
       
    96   else {
       
    97     // There is only 1 option, so output a message in the $form array.
       
    98     $form['info'] = array(
       
    99       '#markup' => '<p>' . t('You are currently using the %set-name shortcut set.', array('%set-name' => $current_set->title)) . '</p>',
       
   100     );
       
   101   }
       
   102 
       
   103   return $form;
       
   104 }
       
   105 
       
   106 /**
       
   107  * Validation handler for shortcut_set_switch().
       
   108  */
       
   109 function shortcut_set_switch_validate($form, &$form_state) {
       
   110   if ($form_state['values']['set'] == 'new') {
       
   111     // Check to prevent creating a shortcut set with an empty title.
       
   112     if (trim($form_state['values']['new']) == '') {
       
   113       form_set_error('new', t('The new set name is required.'));
       
   114     }
       
   115     // Check to prevent a duplicate title.
       
   116     if (shortcut_set_title_exists($form_state['values']['new'])) {
       
   117       form_set_error('new', t('The shortcut set %name already exists. Choose another name.', array('%name' => $form_state['values']['new'])));
       
   118     }
       
   119   }
       
   120 }
       
   121 
       
   122 /**
       
   123  * Submit handler for shortcut_set_switch().
       
   124  */
       
   125 function shortcut_set_switch_submit($form, &$form_state) {
       
   126   global $user;
       
   127   $account = $form_state['values']['account'];
       
   128 
       
   129   if ($form_state['values']['set'] == 'new') {
       
   130     // Save a new shortcut set with links copied from the user's default set.
       
   131     $default_set = shortcut_default_set($account);
       
   132     $set = (object) array(
       
   133       'title' => $form_state['values']['new'],
       
   134       'links' => menu_links_clone($default_set->links),
       
   135     );
       
   136     shortcut_set_save($set);
       
   137     $replacements = array(
       
   138       '%user' => $account->name,
       
   139       '%set_name' => $set->title,
       
   140       '@switch-url' => url(current_path()),
       
   141     );
       
   142     if ($account->uid == $user->uid) {
       
   143       // Only administrators can create new shortcut sets, so we know they have
       
   144       // access to switch back.
       
   145       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));
       
   146     }
       
   147     else {
       
   148       drupal_set_message(t('%user is now using a new shortcut set called %set_name. You can edit it from this page.', $replacements));
       
   149     }
       
   150     $form_state['redirect'] = 'admin/config/user-interface/shortcut/' . $set->set_name;
       
   151   }
       
   152   else {
       
   153     // Switch to a different shortcut set.
       
   154     $set = shortcut_set_load($form_state['values']['set']);
       
   155     $replacements = array(
       
   156       '%user' => $account->name,
       
   157       '%set_name' => $set->title,
       
   158     );
       
   159     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));
       
   160   }
       
   161 
       
   162   // Assign the shortcut set to the provided user account.
       
   163   shortcut_set_assign_user($set, $account);
       
   164 }
       
   165 
       
   166 /**
       
   167  * Menu page callback: builds the page for administering shortcut sets.
       
   168  */
       
   169 function shortcut_set_admin() {
       
   170   $shortcut_sets = shortcut_sets();
       
   171   $header = array(t('Name'), array('data' => t('Operations'), 'colspan' => 4));
       
   172 
       
   173   $rows = array();
       
   174   foreach ($shortcut_sets as $set) {
       
   175     $row = array(
       
   176       check_plain($set->title),
       
   177       l(t('list links'), "admin/config/user-interface/shortcut/$set->set_name"),
       
   178       l(t('edit set name'), "admin/config/user-interface/shortcut/$set->set_name/edit"),
       
   179     );
       
   180     if (shortcut_set_delete_access($set)) {
       
   181       $row[] = l(t('delete set'), "admin/config/user-interface/shortcut/$set->set_name/delete");
       
   182     }
       
   183     else {
       
   184       $row[] = '';
       
   185     }
       
   186 
       
   187     $rows[] = $row;
       
   188   }
       
   189 
       
   190   return theme('table', array('header' => $header, 'rows' => $rows));
       
   191 }
       
   192 
       
   193 /**
       
   194  * Form callback: builds the form for adding a shortcut set.
       
   195  *
       
   196  * @param $form
       
   197  *   An associative array containing the structure of the form.
       
   198  * @param $form_state
       
   199  *   An associative array containing the current state of the form.
       
   200  *
       
   201  * @return
       
   202  *   An array representing the form definition.
       
   203  *
       
   204  * @ingroup forms
       
   205  * @see shortcut_set_add_form_validate()
       
   206  * @see shortcut_set_add_form_submit()
       
   207  */
       
   208 function shortcut_set_add_form($form, &$form_state) {
       
   209   $form['new'] = array(
       
   210     '#type' => 'textfield',
       
   211     '#title' => t('Set name'),
       
   212     '#description' => t('The new set is created by copying items from your default shortcut set.'),
       
   213     '#required' => TRUE,
       
   214   );
       
   215 
       
   216   $form['actions'] = array('#type' => 'actions');
       
   217   $form['actions']['submit'] = array(
       
   218     '#type' => 'submit',
       
   219     '#value' => t('Create new set'),
       
   220   );
       
   221 
       
   222   return $form;
       
   223 }
       
   224 
       
   225 /**
       
   226  * Validation handler for shortcut_set_add_form().
       
   227  */
       
   228 function shortcut_set_add_form_validate($form, &$form_state) {
       
   229   // Check to prevent a duplicate title.
       
   230   if (shortcut_set_title_exists($form_state['values']['new'])) {
       
   231     form_set_error('new', t('The shortcut set %name already exists. Choose another name.', array('%name' => $form_state['values']['new'])));
       
   232   }
       
   233 }
       
   234 
       
   235 /**
       
   236  * Submit handler for shortcut_set_add_form().
       
   237  */
       
   238 function shortcut_set_add_form_submit($form, &$form_state) {
       
   239   // Save a new shortcut set with links copied from the user's default set.
       
   240   $default_set = shortcut_default_set();
       
   241   $set = (object) array(
       
   242     'title' => $form_state['values']['new'],
       
   243     'links' => menu_links_clone($default_set->links),
       
   244   );
       
   245   shortcut_set_save($set);
       
   246   drupal_set_message(t('The %set_name shortcut set has been created. You can edit it from this page.', array('%set_name' => $set->title)));
       
   247   $form_state['redirect'] = 'admin/config/user-interface/shortcut/' . $set->set_name;
       
   248 }
       
   249 
       
   250 /**
       
   251  * Form callback: builds the form for customizing shortcut sets.
       
   252  *
       
   253  * @param $form
       
   254  *   An associative array containing the structure of the form.
       
   255  * @param $form_state
       
   256  *   An associative array containing the current state of the form.
       
   257  * @param $shortcut_set
       
   258  *   An object representing the shortcut set which is being edited.
       
   259  *
       
   260  * @return
       
   261  *   An array representing the form definition.
       
   262  *
       
   263  * @ingroup forms
       
   264  * @see shortcut_set_customize_submit()
       
   265  */
       
   266 function shortcut_set_customize($form, &$form_state, $shortcut_set) {
       
   267   $form['#shortcut_set_name'] = $shortcut_set->set_name;
       
   268   $form['shortcuts'] = array(
       
   269     '#tree' => TRUE,
       
   270     '#weight' => -20,
       
   271     'enabled' => array(),
       
   272     'disabled' => array(),
       
   273   );
       
   274 
       
   275   foreach ($shortcut_set->links as $link) {
       
   276     $mlid = $link['mlid'];
       
   277     $status = $link['hidden'] ? 'disabled' : 'enabled';
       
   278     $form['shortcuts'][$status][$mlid]['name']['#markup'] = l($link['link_title'], $link['link_path']);
       
   279     $form['shortcuts'][$status][$mlid]['weight'] = array(
       
   280       '#type' => 'weight',
       
   281       '#title' => t('Weight'),
       
   282       '#delta' => 50,
       
   283       '#default_value' => $link['weight'],
       
   284       '#attributes' => array('class' => array('shortcut-weight')),
       
   285     );
       
   286     $form['shortcuts'][$status][$mlid]['status'] = array(
       
   287       '#type' => 'select',
       
   288       '#title' => t('Status'),
       
   289       '#options' => array('disabled' => t('Disabled'), 'enabled' => t('Enabled')),
       
   290       '#default_value' => $status,
       
   291       '#attributes' => array('class' => array('shortcut-status-select')),
       
   292     );
       
   293 
       
   294     $form['shortcuts'][$status][$mlid]['edit']['#markup'] = l(t('edit'), 'admin/config/user-interface/shortcut/link/' . $mlid);
       
   295     $form['shortcuts'][$status][$mlid]['delete']['#markup'] = l(t('delete'), 'admin/config/user-interface/shortcut/link/' . $mlid . '/delete');
       
   296   }
       
   297 
       
   298   $form['#attached'] = array(
       
   299     'css' => array(drupal_get_path('module', 'shortcut') . '/shortcut.admin.css'),
       
   300     'js' => array(drupal_get_path('module', 'shortcut') . '/shortcut.admin.js'),
       
   301   );
       
   302 
       
   303   $form['actions'] = array(
       
   304     '#type' => 'actions',
       
   305     '#access' => !empty($shortcut_set->links),
       
   306   );
       
   307   $form['actions']['submit'] = array(
       
   308     '#type' => 'submit',
       
   309     '#value' => t('Save changes'),
       
   310   );
       
   311 
       
   312   return $form;
       
   313 }
       
   314 
       
   315 /**
       
   316  * Submit handler for shortcut_set_customize().
       
   317  */
       
   318 function shortcut_set_customize_submit($form, &$form_state) {
       
   319   foreach ($form_state['values']['shortcuts'] as $group => $links) {
       
   320     foreach ($links as $mlid => $data) {
       
   321       $link = menu_link_load($mlid);
       
   322       $link['hidden'] = $data['status'] == 'enabled' ? 0 : 1;
       
   323       $link['weight'] = $data['weight'];
       
   324       menu_link_save($link);
       
   325     }
       
   326   }
       
   327   drupal_set_message(t('The shortcut set has been updated.'));
       
   328 }
       
   329 
       
   330 /**
       
   331  * Returns HTML for a shortcut set customization form.
       
   332  *
       
   333  * @param $variables
       
   334  *   An associative array containing:
       
   335  *   - form: A render element representing the form.
       
   336  *
       
   337  * @see shortcut_set_customize()
       
   338  * @ingroup themeable
       
   339  */
       
   340 function theme_shortcut_set_customize($variables) {
       
   341   $form = $variables['form'];
       
   342   $map = array('disabled' => t('Disabled'), 'enabled' => t('Enabled'));
       
   343   $shortcuts_by_status = array(
       
   344     'enabled' => element_children($form['shortcuts']['enabled']),
       
   345     'disabled' => element_children($form['shortcuts']['disabled']),
       
   346   );
       
   347   // Do not add any rows to the table if there are no shortcuts to display.
       
   348   $statuses = empty($shortcuts_by_status['enabled']) && empty($shortcuts_by_status['disabled']) ? array() : array_keys($shortcuts_by_status);
       
   349 
       
   350   $rows = array();
       
   351   foreach ($statuses as $status) {
       
   352     drupal_add_tabledrag('shortcuts', 'match', 'sibling', 'shortcut-status-select');
       
   353     drupal_add_tabledrag('shortcuts', 'order', 'sibling', 'shortcut-weight');
       
   354     $rows[] = array(
       
   355       'data' => array(array(
       
   356         'colspan' => 5,
       
   357         'data' => '<strong>' . $map[$status] . '</strong>',
       
   358       )),
       
   359       'class' => array('shortcut-status', 'shortcut-status-' . $status),
       
   360     );
       
   361 
       
   362     foreach ($shortcuts_by_status[$status] as $key) {
       
   363       $shortcut = &$form['shortcuts'][$status][$key];
       
   364       $row = array();
       
   365       $row[] = drupal_render($shortcut['name']);
       
   366       $row[] = drupal_render($shortcut['weight']);
       
   367       $row[] = drupal_render($shortcut['status']);
       
   368       $row[] = drupal_render($shortcut['edit']);
       
   369       $row[] = drupal_render($shortcut['delete']);
       
   370       $rows[] = array(
       
   371         'data' => $row,
       
   372         'class' => array('draggable'),
       
   373       );
       
   374     }
       
   375 
       
   376     if ($status == 'enabled') {
       
   377       for ($i = 0; $i < shortcut_max_slots(); $i++) {
       
   378         $rows['empty-' . $i] = array(
       
   379           'data' => array(array(
       
   380             'colspan' => 5,
       
   381             'data' => '<em>' . t('Empty') . '</em>',
       
   382           )),
       
   383           'class' => array('shortcut-slot-empty'),
       
   384         );
       
   385       }
       
   386       $count_shortcuts = count($shortcuts_by_status[$status]);
       
   387       if (!empty($count_shortcuts)) {
       
   388         for ($i = 0; $i < min($count_shortcuts, shortcut_max_slots()); $i++) {
       
   389           $rows['empty-' . $i]['class'][] = 'shortcut-slot-hidden';
       
   390         }
       
   391       }
       
   392     }
       
   393   }
       
   394 
       
   395   $header = array(t('Name'), t('Weight'), t('Status'), array('data' => t('Operations'), 'colspan' => 2));
       
   396   $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')))));
       
   397   $output .= drupal_render($form['actions']);
       
   398   $output = drupal_render_children($form) . $output;
       
   399   return $output;
       
   400 }
       
   401 
       
   402 /**
       
   403  * Form callback: builds the form for adding a new shortcut link.
       
   404  *
       
   405  * @param $form
       
   406  *   An associative array containing the structure of the form.
       
   407  * @param $form_state
       
   408  *   An associative array containing the current state of the form.
       
   409  * @param $shortcut_set
       
   410  *   An object representing the shortcut set to which the link will be added.
       
   411  *
       
   412  * @return
       
   413  *   An array representing the form definition.
       
   414  *
       
   415  * @ingroup forms
       
   416  * @see shortcut_link_edit_validate()
       
   417  * @see shortcut_link_add_submit()
       
   418  */
       
   419 function shortcut_link_add($form, &$form_state, $shortcut_set) {
       
   420   drupal_set_title(t('Add new shortcut'));
       
   421   $form['shortcut_set'] = array(
       
   422     '#type' => 'value',
       
   423     '#value' => $shortcut_set,
       
   424   );
       
   425   $form += _shortcut_link_form_elements();
       
   426   return $form;
       
   427 }
       
   428 
       
   429 /**
       
   430  * Form callback: builds the form for editing a shortcut link.
       
   431  *
       
   432  * @param $form
       
   433  *   An associative array containing the structure of the form.
       
   434  * @param $form_state
       
   435  *   An associative array containing the current state of the form.
       
   436  * @param $shortcut_link
       
   437  *   An array representing the link that is being edited.
       
   438  *
       
   439  * @return
       
   440  *   An array representing the form definition.
       
   441  *
       
   442  * @ingroup forms
       
   443  * @see shortcut_link_edit_validate()
       
   444  * @see shortcut_link_edit_submit()
       
   445  */
       
   446 function shortcut_link_edit($form, &$form_state, $shortcut_link) {
       
   447   drupal_set_title(t('Editing @shortcut', array('@shortcut' => $shortcut_link['link_title'])));
       
   448   $form['original_shortcut_link'] = array(
       
   449     '#type' => 'value',
       
   450     '#value' => $shortcut_link,
       
   451   );
       
   452   $form += _shortcut_link_form_elements($shortcut_link);
       
   453   return $form;
       
   454 }
       
   455 
       
   456 /**
       
   457  * Helper function for building a form for adding or editing shortcut links.
       
   458  *
       
   459  * @param $shortcut_link
       
   460  *   (optional) An array representing the shortcut link that will be edited. If
       
   461  *   not provided, a new link will be created.
       
   462  *
       
   463  * @return
       
   464  *   An array of form elements.
       
   465  */
       
   466 function _shortcut_link_form_elements($shortcut_link = NULL) {
       
   467   if (!isset($shortcut_link)) {
       
   468     $shortcut_link = array(
       
   469       'link_title' => '',
       
   470       'link_path' => ''
       
   471     );
       
   472   }
       
   473   else {
       
   474     $shortcut_link['link_path'] = ($shortcut_link['link_path'] == '<front>') ? '' : drupal_get_path_alias($shortcut_link['link_path']);
       
   475   }
       
   476 
       
   477   $form['shortcut_link']['#tree'] = TRUE;
       
   478   $form['shortcut_link']['link_title'] = array(
       
   479     '#type' => 'textfield',
       
   480     '#title' => t('Name'),
       
   481     '#description' => t('The name of the shortcut.'),
       
   482     '#size' => 40,
       
   483     '#maxlength' => 255,
       
   484     '#default_value' => $shortcut_link['link_title'],
       
   485     '#required' => TRUE,
       
   486   );
       
   487 
       
   488   $form['shortcut_link']['link_path'] = array(
       
   489     '#type' => 'textfield',
       
   490     '#title' => t('Path'),
       
   491     '#description' => t('The path to the shortcut.'),
       
   492     '#size' => 40,
       
   493     '#maxlength' => 255,
       
   494     '#field_prefix' => url(NULL, array('absolute' => TRUE)) . (variable_get('clean_url', 0) ? '' : '?q='),
       
   495     '#default_value' => $shortcut_link['link_path'],
       
   496   );
       
   497 
       
   498   $form['#validate'][] = 'shortcut_link_edit_validate';
       
   499 
       
   500   $form['actions'] = array('#type' => 'actions');
       
   501   $form['actions']['submit'] = array(
       
   502     '#type' => 'submit',
       
   503     '#value' => t('Save'),
       
   504   );
       
   505 
       
   506   return $form;
       
   507 }
       
   508 
       
   509 /**
       
   510  * Validation handler for the shortcut link add and edit forms.
       
   511  */
       
   512 function shortcut_link_edit_validate($form, &$form_state) {
       
   513   if (!shortcut_valid_link($form_state['values']['shortcut_link']['link_path'])) {
       
   514     form_set_error('shortcut_link][link_path', t('The link must correspond to a valid path on the site.'));
       
   515   }
       
   516 }
       
   517 
       
   518 /**
       
   519  * Submit handler for shortcut_link_edit().
       
   520  */
       
   521 function shortcut_link_edit_submit($form, &$form_state) {
       
   522   // Normalize the path in case it is an alias.
       
   523   $shortcut_path = drupal_get_normal_path($form_state['values']['shortcut_link']['link_path']);
       
   524   if (empty($shortcut_path)) {
       
   525     $shortcut_path = '<front>';
       
   526   }
       
   527   $form_state['values']['shortcut_link']['link_path'] = $shortcut_path;
       
   528 
       
   529   $shortcut_link = array_merge($form_state['values']['original_shortcut_link'], $form_state['values']['shortcut_link']);
       
   530 
       
   531   menu_link_save($shortcut_link);
       
   532   $form_state['redirect'] = 'admin/config/user-interface/shortcut/' . $shortcut_link['menu_name'];
       
   533   drupal_set_message(t('The shortcut %link has been updated.', array('%link' => $shortcut_link['link_title'])));
       
   534 }
       
   535 
       
   536 /**
       
   537  * Submit handler for shortcut_link_add().
       
   538  */
       
   539 function shortcut_link_add_submit($form, &$form_state) {
       
   540   // Add the shortcut link to the set.
       
   541   $shortcut_set = $form_state['values']['shortcut_set'];
       
   542   $shortcut_link = $form_state['values']['shortcut_link'];
       
   543   $shortcut_link['menu_name'] = $shortcut_set->set_name;
       
   544   shortcut_admin_add_link($shortcut_link, $shortcut_set, shortcut_max_slots());
       
   545   shortcut_set_save($shortcut_set);
       
   546   $form_state['redirect'] = 'admin/config/user-interface/shortcut/' . $shortcut_link['menu_name'];
       
   547   drupal_set_message(t('Added a shortcut for %title.', array('%title' => $shortcut_link['link_title'])));
       
   548 }
       
   549 
       
   550 /**
       
   551  * Adds a link to the end of a shortcut set, keeping within a prescribed limit.
       
   552  *
       
   553  * @param $link
       
   554  *   An array representing a shortcut link.
       
   555  * @param $shortcut_set
       
   556  *   An object representing the shortcut set which the link will be added to.
       
   557  *   The links in the shortcut set will be re-weighted so that the new link is
       
   558  *   at the end, and some existing links may be disabled (if the $limit
       
   559  *   parameter is provided).
       
   560  * @param $limit
       
   561  *   (optional) The maximum number of links that are allowed to be enabled for
       
   562  *   this shortcut set. If provided, existing links at the end of the list that
       
   563  *   exceed the limit will be automatically disabled. If not provided, no limit
       
   564  *   will be enforced.
       
   565  */
       
   566 function shortcut_admin_add_link($shortcut_link, &$shortcut_set, $limit = NULL) {
       
   567   if (isset($limit)) {
       
   568     // Disable any existing links at the end of the list that would cause the
       
   569     // limit to be exceeded. Take into account whether or not the new link will
       
   570     // be enabled and count towards the total.
       
   571     $number_enabled = !empty($shortcut_link['hidden']) ? 0 : 1;
       
   572     foreach ($shortcut_set->links as &$link) {
       
   573       if (!$link['hidden']) {
       
   574         $number_enabled++;
       
   575         if ($number_enabled > $limit) {
       
   576           $link['hidden'] = 1;
       
   577         }
       
   578       }
       
   579     }
       
   580   }
       
   581 
       
   582   // Normalize the path in case it is an alias.
       
   583   $shortcut_link['link_path'] = drupal_get_normal_path($shortcut_link['link_path']);
       
   584   if (empty($shortcut_link['link_path'])) {
       
   585     $shortcut_link['link_path'] = '<front>';
       
   586   }
       
   587 
       
   588   // Add the link to the end of the list.
       
   589   $shortcut_set->links[] = $shortcut_link;
       
   590   shortcut_set_reset_link_weights($shortcut_set);
       
   591 }
       
   592 
       
   593 /**
       
   594  * Form callback: builds the form for editing the shortcut set name.
       
   595  *
       
   596  * @param $form
       
   597  *   An associative array containing the structure of the form.
       
   598  * @param $form_state
       
   599  *   An associative array containing the current state of the form.
       
   600  * @param object $shortcut_set
       
   601  *   An object representing the shortcut set, as returned from
       
   602  *   shortcut_set_load().
       
   603  *
       
   604  * @return
       
   605  *   An array representing the form definition.
       
   606  *
       
   607  * @ingroup forms
       
   608  * @see shortcut_set_edit_form_validate()
       
   609  * @see shortcut_set_edit_form_submit()
       
   610  */
       
   611 function shortcut_set_edit_form($form, &$form_state, $shortcut_set) {
       
   612   $form['shortcut_set'] = array(
       
   613     '#type' => 'value',
       
   614     '#value' => $shortcut_set,
       
   615   );
       
   616   $form['title'] = array(
       
   617     '#type' => 'textfield',
       
   618     '#title' => t('Set name'),
       
   619     '#default_value' => $shortcut_set->title,
       
   620     '#maxlength' => 255,
       
   621     '#required' => TRUE,
       
   622     '#weight' => -5,
       
   623   );
       
   624   $form['actions'] = array('#type' => 'actions');
       
   625   $form['actions']['submit'] = array(
       
   626     '#type' => 'submit',
       
   627     '#value' => t('Save'),
       
   628     '#weight' => 5,
       
   629   );
       
   630 
       
   631   return $form;
       
   632 }
       
   633 
       
   634 /**
       
   635  * Validation handler for shortcut_set_edit_form().
       
   636  */
       
   637 function shortcut_set_edit_form_validate($form, &$form_state) {
       
   638   // Check to prevent a duplicate title, if the title was edited from its
       
   639   // original value.
       
   640   if ($form_state['values']['title'] != $form_state['values']['shortcut_set']->title && shortcut_set_title_exists($form_state['values']['title'])) {
       
   641     form_set_error('title', t('The shortcut set %name already exists. Choose another name.', array('%name' => $form_state['values']['title'])));
       
   642   }
       
   643 }
       
   644 
       
   645 /**
       
   646  * Submit handler for shortcut_set_edit_form().
       
   647  */
       
   648 function shortcut_set_edit_form_submit($form, &$form_state) {
       
   649   $shortcut_set = $form_state['values']['shortcut_set'];
       
   650   $shortcut_set->title = $form_state['values']['title'];
       
   651   shortcut_set_save($shortcut_set);
       
   652   drupal_set_message(t('Updated set name to %set-name.', array('%set-name' => $shortcut_set->title)));
       
   653   $form_state['redirect'] = "admin/config/user-interface/shortcut/$shortcut_set->set_name";
       
   654 }
       
   655 
       
   656 /**
       
   657  * Form callback: builds the confirmation form for deleting a shortcut set.
       
   658  *
       
   659  * @param $form
       
   660  *   An associative array containing the structure of the form.
       
   661  * @param $form_state
       
   662  *   An associative array containing the current state of the form.
       
   663  * @param object $shortcut_set
       
   664  *   An object representing the shortcut set, as returned from
       
   665  *   shortcut_set_load().
       
   666  *
       
   667  * @return
       
   668  *   An array representing the form definition.
       
   669  *
       
   670  * @ingroup forms
       
   671  * @see shortcut_set_delete_form_submit()
       
   672  */
       
   673 function shortcut_set_delete_form($form, &$form_state, $shortcut_set) {
       
   674   $form['shortcut_set'] = array(
       
   675     '#type' => 'value',
       
   676     '#value' => $shortcut_set->set_name,
       
   677   );
       
   678 
       
   679   // Find out how many users are directly assigned to this shortcut set, and
       
   680   // make a message.
       
   681   $number = db_query('SELECT COUNT(*) FROM {shortcut_set_users} WHERE set_name = :name', array(':name' => $shortcut_set->set_name))->fetchField();
       
   682   $info = '';
       
   683   if ($number) {
       
   684     $info .= '<p>' . format_plural($number,
       
   685       '1 user has chosen or been assigned to this shortcut set.',
       
   686       '@count users have chosen or been assigned to this shortcut set.') . '</p>';
       
   687   }
       
   688 
       
   689   // Also, if a module implements hook_shortcut_default_set(), it's possible
       
   690   // that this set is being used as a default set. Add a message about that too.
       
   691   if (count(module_implements('shortcut_default_set')) > 0) {
       
   692     $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>';
       
   693   }
       
   694 
       
   695   $form['info'] = array(
       
   696     '#markup' => $info,
       
   697   );
       
   698 
       
   699   return confirm_form(
       
   700     $form,
       
   701     t('Are you sure you want to delete the shortcut set %title?', array('%title' => $shortcut_set->title)),
       
   702     'admin/config/user-interface/shortcut/' . $shortcut_set->set_name,
       
   703     t('This action cannot be undone.'),
       
   704     t('Delete'),
       
   705     t('Cancel')
       
   706   );
       
   707 }
       
   708 
       
   709 /**
       
   710  * Submit handler for shortcut_set_delete_form().
       
   711  */
       
   712 function shortcut_set_delete_form_submit($form, &$form_state) {
       
   713   $shortcut_set = shortcut_set_load($form_state['values']['shortcut_set']);
       
   714   shortcut_set_delete($shortcut_set);
       
   715   $form_state['redirect'] = 'admin/config/user-interface/shortcut';
       
   716   drupal_set_message(t('The shortcut set %title has been deleted.', array('%title' => $shortcut_set->title)));
       
   717 }
       
   718 
       
   719 /**
       
   720  * Form callback: builds the confirmation form for deleting a shortcut link.
       
   721  *
       
   722  * @param $form
       
   723  *   An associative array containing the structure of the form.
       
   724  * @param $form_state
       
   725  *   An associative array containing the current state of the form.
       
   726  * @param $shortcut_link
       
   727  *   An array representing the link that will be deleted.
       
   728  *
       
   729  * @return
       
   730  *   An array representing the form definition.
       
   731  *
       
   732  * @ingroup forms
       
   733  * @see shortcut_link_delete_submit()
       
   734  */
       
   735 function shortcut_link_delete($form, &$form_state, $shortcut_link) {
       
   736   $form['shortcut_link'] = array(
       
   737     '#type' => 'value',
       
   738     '#value' => $shortcut_link,
       
   739   );
       
   740 
       
   741   return confirm_form(
       
   742     $form,
       
   743     t('Are you sure you want to delete the shortcut %title?', array('%title' => $shortcut_link['link_title'])),
       
   744     'admin/config/user-interface/shortcut/' . $shortcut_link['menu_name'],
       
   745     t('This action cannot be undone.'),
       
   746     t('Delete'),
       
   747     t('Cancel')
       
   748   );
       
   749 }
       
   750 
       
   751 /**
       
   752  * Submit handler for shortcut_link_delete_submit().
       
   753  */
       
   754 function shortcut_link_delete_submit($form, &$form_state) {
       
   755   $shortcut_link = $form_state['values']['shortcut_link'];
       
   756   menu_link_delete($shortcut_link['mlid']);
       
   757   $form_state['redirect'] = 'admin/config/user-interface/shortcut/' . $shortcut_link['menu_name'];
       
   758   drupal_set_message(t('The shortcut %title has been deleted.', array('%title' => $shortcut_link['link_title'])));
       
   759 }
       
   760 
       
   761 /**
       
   762  * Menu page callback: creates a new link in the provided shortcut set.
       
   763  *
       
   764  * After completion, redirects the user back to where they came from.
       
   765  *
       
   766  * @param $shortcut_set
       
   767  *   Returned from shortcut_set_load().
       
   768  */
       
   769 function shortcut_link_add_inline($shortcut_set) {
       
   770   if (isset($_REQUEST['token']) && drupal_valid_token($_REQUEST['token'], 'shortcut-add-link') && shortcut_valid_link($_GET['link'])) {
       
   771     $item = menu_get_item($_GET['link']);
       
   772     $title = ($item && $item['title']) ? $item['title'] : $_GET['name'];
       
   773     $link = array(
       
   774       'link_title' => $title,
       
   775       'link_path' => $_GET['link'],
       
   776     );
       
   777     shortcut_admin_add_link($link, $shortcut_set, shortcut_max_slots());
       
   778     if (shortcut_set_save($shortcut_set)) {
       
   779       drupal_set_message(t('Added a shortcut for %title.', array('%title' => $link['link_title'])));
       
   780     }
       
   781     else {
       
   782       drupal_set_message(t('Unable to add a shortcut for %title.', array('%title' => $link['link_title'])));
       
   783     }
       
   784     drupal_goto();
       
   785   }
       
   786 
       
   787   return MENU_ACCESS_DENIED;
       
   788 }