field_permissions.module in Field Permissions 6

This is the main script for the Field Permissions module. It merely contains the implementation of hooks invoked by Drupal core and CCK. All common functions are externalized into several scripts that are included on demand to save memory consumption during normal site operation.

File

field_permissions.module

<?php

/**
 * @file
 * This is the main script for the Field Permissions module. It merely contains
 * the implementation of hooks invoked by Drupal core and CCK.
 * All common functions are externalized into several scripts that are included
 * on demand to save memory consumption during normal site operation.
 */

/**
 * Implementation of hook_menu().
 */
function field_permissions_menu() {
  module_load_include('inc', 'field_permissions', 'includes/admin');
  return _field_permissions_menu();
}

/**
 * Implementation of hook_theme().
 */
function field_permissions_theme() {
  return array(
    'field_permissions_troubleshooting_form' => array(
      'arguments' => array(
        'form' => NULL,
      ),
      'file' => 'includes/admin.inc',
    ),
  );
}

/**
 * Implementation of hook_perm().
 */
function field_permissions_perm() {
  module_load_include('inc', 'field_permissions', 'includes/admin');
  return _field_permissions_perm();
}

/**
 * Implementation of hook_field_settings_alter().
 */
function field_permissions_field_settings_alter(&$settings, $op, $field) {
  if ($op == 'form' || $op == 'save') {
    module_load_include('inc', 'field_permissions', 'includes/admin');
    return _field_permissions_field_settings_alter($settings, $op, $field);
  }
}

/**
 * Implementation of hook_field_access().
 *
 * @param $op
 *   The operation to be performed. Possible values:
 *   - 'edit'
 *   - 'view'
 * @param $field
 *   The field on which the operation is to be performed.
 * @param $account
 *   The account to check.
 *   Note that this argument is optional to content_access(), but it is
 *   always passed to hook_field_access(), with current user if not supplied.
 *   This is an argument that was added to CCK in 6.x-2.2 release.
 * @param $node
 *   (optional) The node on which the operation is to be performed.
 *   Note that this argument is optional to content_access(), but it is
 *   always passed to hook_field_access(), with NULL if not supplied.
 *   This is an argument that was added to CCK in 6.x-2.5 release.
 *
 * @return
 *   FALSE if the operation is not allowed.
 *   Note when content_access() is invoked, access is granted unless one
 *   implementation of hook_field_access() explicitly returns FALSE.
 *
 * @see content_access()
 */
function field_permissions_field_access($op, $field, $account, $node) {

  // Ignore the request if permissions have not been enabled for this field.
  $field_permissions = isset($field['field_permissions']) && is_array($field['field_permissions']) ? array_filter($field['field_permissions']) : array();
  if (empty($field_permissions)) {
    return;
  }
  if ($op == 'view') {
    if (!empty($field_permissions['view']) || !empty($field_permissions['view own'])) {
      module_load_include('inc', 'field_permissions', 'includes/field_access');
      return _field_permissions_field_view_access($field['field_name'], $field_permissions, $account, $node);
    }
  }
  elseif ($op == 'edit') {
    if (!empty($field_permissions['edit']) || !empty($field_permissions['edit own']) || !empty($field_permissions['create'])) {
      module_load_include('inc', 'field_permissions', 'includes/field_access');
      return _field_permissions_field_edit_access($field['field_name'], $field_permissions, $account, $node);
    }
  }
}

Functions

Name	Description
field_permissions_field_access	Implementation of hook_field_access().
field_permissions_field_settings_alter	Implementation of hook_field_settings_alter().
field_permissions_menu	Implementation of hook_menu().
field_permissions_perm	Implementation of hook_perm().
field_permissions_theme	Implementation of hook_theme().