function _readonlymode_form_check in Read only mode 7

Same name and namespace in other branches

1. 8 readonlymode.module \_readonlymode_form_check()
2. 6 readonlymode.module \_readonlymode_form_check()

Internal handler to check whether this form is to be restricted.

Parameters

int $form_id: The ID of the form we want to check.

Return value

int

• READONLYMODE_FORM_DENIED: The form has been blocked.
• READONLYMODE_FORM_VIEWONLY: The form should be view only.
• READONLYMODE_FORM_ALLOWED: The form has been allowed.

2 calls to _readonlymode_form_check()

readonlymode_check_form_validate in ./readonlymode.module

Validate handler for checking whether the form submission is occurring.

readonlymode_form_alter in ./readonlymode.module

Implements hook_form_alter().

File

./readonlymode.module, line 252

The Read Ony Mode main module file.

Code

function _readonlymode_form_check($form_id) {

  // Get hold of our cache.
  $cache =& drupal_static(__FUNCTION__, NULL);

  // If NULL, we need to check the non-form specific options.
  if (!isset($cache)) {

    // If not in read-only mode, allow the form.
    if (!variable_get('site_readonly', FALSE)) {
      $cache = READONLYMODE_FORM_ALLOWED;
    }
    elseif (user_access('readonlymode access forms')) {
      $cache = READONLYMODE_FORM_ALLOWED;
    }
    else {
      $cache = array();
    }
  }

  // If we have a scalar value, we don't need to check specific forms.
  if (!is_array($cache)) {
    return $cache;
  }

  // Look at form specific level if required.
  if (!isset($cache[$form_id])) {

    // Is the form in the list of default forms? Then allow access.
    if (in_array($form_id, _readonlymode_default_forms_allowed())) {
      $cache[$form_id] = READONLYMODE_FORM_ALLOWED;
    }
    elseif (in_array($form_id, _readonlymode_default_forms_viewonly())) {
      $cache[$form_id] = READONLYMODE_FORM_VIEWONLY;
    }
    elseif (_readonlymode_form_list_check($form_id, variable_get('site_readonly_forms_allowed', ''))) {
      $cache[$form_id] = READONLYMODE_FORM_ALLOWED;
    }
    elseif (_readonlymode_form_list_check($form_id, variable_get('site_readonly_forms_viewonly', ''))) {
      $cache[$form_id] = READONLYMODE_FORM_VIEWONLY;
    }
    else {
      $cache[$form_id] = READONLYMODE_FORM_DENIED;
    }
  }
  return $cache[$form_id];
}