override_node_options.module in Override Node Options 5

Allow users to override the default publishing options for nodes they can edit without giving them the 'administer nodes' permission.

File

override_node_options.module

<?php

/**
 * @file
 * Allow users to override the default publishing options for nodes they can
 * edit without giving them the 'administer nodes' permission.
 */

/**
 * Implements hook_perm().
 */
function override_node_options_perm() {
  $node_types = array_keys(node_get_types('names'));
  foreach ($node_types as $node_type) {
    $node_type = check_plain($node_type);
    $perms[] = 'override ' . $node_type . ' published option';
    $perms[] = 'override ' . $node_type . ' promote to front page option';
    $perms[] = 'override ' . $node_type . ' sticky option';
    $perms[] = 'override ' . $node_type . ' revision option';
    $perms[] = 'override ' . $node_type . ' authored on option';
    $perms[] = 'override ' . $node_type . ' authored by option';
  }
  return $perms;
}

/**
 * Implements hook_menu().
 */
function override_node_options_menu($may_cache) {
  $items[] = array(
    'path' => 'admin/settings/override_node_options',
    'title' => t('Override node options'),
    'description' => t('Allow non-admins to override the default publishing options for nodes they can edit'),
    'callback' => 'drupal_get_form',
    'callback arguments' => array(
      'override_node_options_settings_form',
    ),
    'access' => user_access('access administration pages'),
  );
  return $items;
}

/**
 * Implements hook_form_alter().
 */
function override_node_options_form_alter($form_id, &$form) {
  if (isset($form['type']['#value']) && $form['type']['#value'] . '_node_form' == $form_id && !user_access('administer nodes')) {

    // Get a copy of the current node object.
    $node = $form['#node'];

    // Core doesn't include the revision log element if the user does not have
    // access to it, so we have to re-create it.
    // @see http://drupal.org/node/668806
    $form['log'] = array(
      '#type' => 'textarea',
      '#title' => t('Log message'),
      '#rows' => 2,
      '#weight' => 20,
      '#description' => t('An explanation of the additions or updates being made to help other authors understand your motivations.'),
      '#access' => $node->revision || user_access('administer nodes') || user_access('override ' . $node->type . ' revision option'),
    );

    // Add access to the 'Authoring information' fieldset.
    $form['author']['name']['#access'] = user_access('override ' . $node->type . ' authored by option');
    $form['author']['date']['#access'] = user_access('override ' . $node->type . ' authored on option');
    $form['author']['#access'] |= override_node_options_element_children_access($form['author']);

    // Add access to the 'Publishing options' fieldset.
    $form['options']['status']['#access'] = user_access('override ' . $node->type . ' published option');
    $form['options']['promote']['#access'] = user_access('override ' . $node->type . ' promote to front page option');
    $form['options']['sticky']['#access'] = user_access('override ' . $node->type . ' sticky option');
    $form['options']['revision']['#access'] = user_access('override ' . $node->type . ' revision option');
    $form['options']['#access'] |= override_node_options_element_children_access($form['options']);

    // Add extra validation and processing if the user does not have the
    // 'administer nodes' permission since it would be otherwise skipped by core.
    if ($form['author']['#access']) {
      $form['#validate']['override_node_options_validate_node'] = array();
    }
    if ($form['author']['name']['#access']) {
      $form['#submit'] = array_merge(array(
        'override_node_options_submit_node' => array(),
      ), $form['#submit']);
    }
  }
  if (isset($form['type']['#value']) && $form['type']['#value'] . '_node_form' == $form_id) {
    $form['options']['#collapsible'] = variable_get('override_node_options_pocollapsible', 1);
    $form['options']['#collapsed'] = variable_get('override_node_options_pocollapsed', 1);
    $form['author']['#collapsible'] = variable_get('override_node_options_aicollapsible', 1);
    $form['author']['#collapsed'] = variable_get('override_node_options_aicollapsed', 1);
    if (module_exists('upload') && isset($form['attachments'])) {
      $form['attachments']['#collapsible'] = variable_get('override_node_options_facollapsible', 1);
      $form['attachments']['#collapsed'] = variable_get('override_node_options_facollapsed', 1);
    }
    if (module_exists('comment') && isset($form['comment_settings'])) {
      $form['comment_settings']['#collapsible'] = variable_get('override_node_options_cscollapsible', 1);
      $form['comment_settings']['#collapsed'] = variable_get('override_node_options_cscollapsed', 1);
    }
    if (module_exists('scheduler') && isset($form['scheduler_settings'])) {
      $form['scheduler_settings']['#collapsible'] = variable_get('override_node_options_sscollapsible', 1);
      $form['scheduler_settings']['#collapsed'] = variable_get('override_node_options_sscollapsed', 1);
    }
  }
}

/**
 * Perform additional node form validation normally skipped by core.
 */
function override_node_options_validate_node($form_id, $form_values) {

  // Validate the "authored by" field.
  if (!empty($form_values['name']) && !($account = user_load(array(
    'name' => $form_values['name'],
  )))) {

    // The use of empty() is mandatory in the context of usernames
    // as the empty string denotes the anonymous user. In case we
    // are dealing with an anonymous user we set the user ID to 0.
    form_set_error('name', t('The username %name does not exist.', array(
      '%name' => $form_values['name'],
    )));
  }

  // Validate the "authored on" field. As of PHP 5.1.0, strtotime returns FALSE instead of -1 upon failure.
  if (!empty($form_values['date']) && strtotime($form_values['date']) <= 0) {
    form_set_error('date', t('You have to specify a valid date.'));
  }
}

/**
 * Perform additional node form submission processing normally skipped by core.
 */
function override_node_options_submit_node($form_id, $form_values) {

  // Populate the "authored by" field.
  if ($account = user_load(array(
    'name' => $form_values['name'],
  ))) {
    form_set_value(array(
      '#parents' => array(
        'uid',
      ),
    ), $account->uid);
  }
  else {
    form_set_value(array(
      '#parents' => array(
        'uid',
      ),
    ), 0);
  }
}

/**
 * Check if there is a child element accessible in a parent element.
 *
 * @param $element
 *   A form element.
 * @return
 *   TRUE if a child element of $element if accessible, or FALSE otherwise.
 */
function override_node_options_element_children_access($element) {
  foreach (element_children($element) as $key) {

    // Skip un-accessible children.
    if (isset($element[$key]['#access']) && !$element[$key]['#access']) {
      continue;
    }

    // Skip value and hidden elements, since they are not rendered.
    if (isset($element[$key]['#type']) && in_array($element[$key]['#type'], array(
      'value',
      'hidden',
    ))) {
      continue;
    }
    return TRUE;
  }
  return FALSE;
}

/**
 * Administration settings form.
 *
 * @see system_settings_form()
 */
function override_node_options_settings_form() {
  $form['attachments'] = array(
    '#type' => 'fieldset',
    '#title' => t('File attachments'),
    '#description' => t('Options for the File attachments fieldset on the node form.'),
    '#access' => module_exists('upload'),
  );
  $form['attachments']['override_node_options_facollapsible'] = array(
    '#type' => 'checkbox',
    '#title' => t('File attachments collapsible'),
    '#default_value' => variable_get('override_node_options_facollapsible', 1),
  );
  $form['attachments']['override_node_options_facollapsed'] = array(
    '#type' => 'checkbox',
    '#title' => t('File attachments collapsed by default'),
    '#default_value' => variable_get('override_node_options_facollapsed', 1),
  );
  $form['comment_settings'] = array(
    '#type' => 'fieldset',
    '#title' => t('Comment settings'),
    '#description' => t('Options for the Comment settings fieldset on the node form.'),
    '#access' => module_exists('comment'),
  );
  $form['comment_settings']['override_node_options_cscollapsible'] = array(
    '#type' => 'checkbox',
    '#title' => t('Comment settings collapsible'),
    '#default_value' => variable_get('override_node_options_cscollapsible', 1),
  );
  $form['comment_settings']['override_node_options_cscollapsed'] = array(
    '#type' => 'checkbox',
    '#title' => t('Comment settings collapsed by default'),
    '#default_value' => variable_get('override_node_options_cscollapsed', 1),
  );
  $form['scheduler_settings'] = array(
    '#type' => 'fieldset',
    '#title' => t('Scheduler settings'),
    '#description' => t('Options for the Scheduler settings fieldset on the node form.'),
    '#access' => module_exists('scheduler'),
  );
  $form['scheduler_settings']['override_node_options_sscollapsible'] = array(
    '#type' => 'checkbox',
    '#title' => t('Scheduler settings collapsible'),
    '#default_value' => variable_get('override_node_options_sscollapsible', 1),
  );
  $form['scheduler_settings']['override_node_options_sscollapsed'] = array(
    '#type' => 'checkbox',
    '#title' => t('Scheduler settings collapsed by default'),
    '#default_value' => variable_get('override_node_options_sscollapsed', 1),
  );
  $form['authoring_information'] = array(
    '#type' => 'fieldset',
    '#title' => t('Authoring information'),
    '#description' => t('Options for the Authoring information fieldset on the node form.'),
  );
  $form['authoring_information']['override_node_options_aicollapsible'] = array(
    '#type' => 'checkbox',
    '#title' => t('Authoring information collapsible'),
    '#default_value' => variable_get('override_node_options_aicollapsible', 1),
  );
  $form['authoring_information']['override_node_options_aicollapsed'] = array(
    '#type' => 'checkbox',
    '#title' => t('Authoring information collapsed by default'),
    '#default_value' => variable_get('override_node_options_aicollapsed', 1),
  );
  $form['publishing_options'] = array(
    '#type' => 'fieldset',
    '#title' => t('Publishing options'),
    '#description' => t('Options for the Publishing options fieldset on the node form.'),
  );
  $form['publishing_options']['override_node_options_pocollapsible'] = array(
    '#type' => 'checkbox',
    '#title' => t('Publishing options collapsible'),
    '#default_value' => variable_get('override_node_options_pocollapsible', 1),
  );
  $form['publishing_options']['override_node_options_pocollapsed'] = array(
    '#type' => 'checkbox',
    '#title' => t('Publishing options collapsed by default'),
    '#default_value' => variable_get('override_node_options_pocollapsed', 1),
  );
  return system_settings_form($form);
}

Functions

Name	Description
override_node_options_element_children_access	Check if there is a child element accessible in a parent element.
override_node_options_form_alter	Implements hook_form_alter().
override_node_options_menu	Implements hook_menu().
override_node_options_perm	Implements hook_perm().
override_node_options_settings_form	Administration settings form.
override_node_options_submit_node	Perform additional node form submission processing normally skipped by core.
override_node_options_validate_node	Perform additional node form validation normally skipped by core.