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class views_handler_sort_node_language in Views (for Drupal 7) 7.3

Sort handler that allows sorting on a specific language.

Hierarchy

Expanded class hierarchy of views_handler_sort_node_language

Related topics

Views sort handlers
Handlers to tell Views how to sort queries.
1 string reference to 'views_handler_sort_node_language'
locale_views_data_alter in modules/locale.views.inc
Implements hook_views_data_alter().

File

modules/locale/views_handler_sort_node_language.inc, line 13
Contains .

View source 
class views_handler_sort_node_language extends views_handler_sort {

  /**
   * {@inheritdoc}
   */
  public function can_expose() {
    return FALSE;
  }

  /**
   * {@inheritdoc}
   */
  public function query() {
    if (isset($this->options['language'])) {
      $langcode = $this
        ->get_system_langcode($this->options['language']);

      // Validate the langcode.
      if (preg_match('/^[a-z0-9\\-]+$/i', $langcode)) {
        $this
          ->ensure_my_table();

        // See https://stackoverflow.com/questions/14104055/ordering-by-specific-field-value-first
        $formula = "{$this->table_alias}_language = '{$langcode}'";
        $this->query
          ->add_orderby($this->table_alias, NULL, $this->options['order'], $formula);
      }
    }
  }

  /**
   * Converts a views language code into a Drupal language code.
   */
  public function get_system_langcode($langcode) {
    global $language_content;
    $default_language = language_default('language');
    $system_langcode = str_replace(array(
      '***CURRENT_LANGUAGE***',
      '***DEFAULT_LANGUAGE***',
    ), array(
      $language_content->language,
      $default_language,
    ), $langcode);
    return $system_langcode;
  }

  /**
   * {@inheritdoc}
   */
  public function option_definition() {
    $options = parent::option_definition();
    $options['language'] = array(
      'default' => '***CURRENT_LANGUAGE***',
    );
    return $options;
  }

  /**
   * {@inheritdoc}
   */
  public function admin_summary() {
    $summary = parent::admin_summary();
    if ($this->options['language']) {
      $language_options = $this
        ->get_language_options();
      $summary = t('@order, @language', array(
        '@order' => $summary,
        '@language' => $language_options[$this->options['language']],
      ));
    }
    return $summary;
  }

  /**
   * Returns languages to sort by.
   *
   * @return array
   *   All the languages.
   */
  public function get_language_options() {
    $languages = array(
      '***CURRENT_LANGUAGE***' => t("Current user's language"),
      '***DEFAULT_LANGUAGE***' => t("Default site language"),
      LANGUAGE_NONE => t('No language'),
    );
    $languages = array_merge($languages, views_language_list());
    return $languages;
  }

  /**
   * {@inheritdoc}
   */
  public function show_sort_form(&$form, &$form_state) {
    parent::show_sort_form($form, $form_state);
    $form['language'] = array(
      '#type' => 'radios',
      '#title' => t("Specific language"),
      '#description' => t("Choose which specific language to sort by. Not to be confused with the 'Language' sort handler, which sorts by language."),
      '#options' => $this
        ->get_language_options(),
      '#default_value' => $this->options['language'],
    );
  }

}

Members

Namesort descending Modifiers Type Description Overrides
views_handler::$handler_type public property The type of the handler, for example filter/footer/field.
views_handler::$query public property Where the $query object will reside:. 1
views_handler::$real_field public property The actual field in the database table, maybe different on other kind of query plugins/special handlers.
views_handler::$relationship public property The relationship used for this field.
views_handler::$table_alias public property The alias of the table of this handler which is used in the query.
views_handler::$view public property The top object of a view. Overrides views_object::$view
views_handler::accept_exposed_input public function Take input from exposed handlers and assign to this handler, if necessary. 1
views_handler::access public function Check whether current user has access to this handler. 10
views_handler::broken public function Determine if the handler is considered 'broken'. 6
views_handler::case_transform public function Transform a string by a certain method.
views_handler::ensure_my_table public function Ensure the main table for this handler is in the query. This is used a lot. 8
views_handler::exposed_form public function Render our chunk of the exposed handler form when selecting. 1
views_handler::exposed_info public function Get information about the exposed form for the form renderer. 1
views_handler::exposed_submit public function Submit the exposed handler form.
views_handler::exposed_validate public function Validate the exposed handler form. 4
views_handler::expose_submit public function Perform any necessary changes to the form exposes prior to storage. There is no need for this function to actually store the data.
views_handler::expose_validate public function Validate the options form. 1
views_handler::extra_options public function Provide defaults for the handler.
views_handler::extra_options_form public function Provide a form for setting options. 1
views_handler::extra_options_submit public function Perform any necessary changes to the form values prior to storage. There is no need for this function to actually store the data.
views_handler::extra_options_validate public function Validate the options form.
views_handler::get_field public function Shortcut to get a handler's raw field value.
views_handler::get_join public function Get the join object that should be used for this handler.
views_handler::groupby_form public function Provide a form for aggregation settings. 1
views_handler::groupby_form_submit public function Perform any necessary changes to the form values prior to storage. There is no need for this function to actually store the data. 1
views_handler::has_extra_options public function If a handler has 'extra options' it will get a little settings widget and another form called extra_options. 1
views_handler::init public function Init the handler with necessary data. 6
views_handler::is_a_group public function Returns TRUE if the exposed filter works like a grouped filter. 1
views_handler::is_exposed public function Determine if this item is 'exposed', meaning it provides form elements to let users modify the view.
views_handler::multiple_exposed_input public function Define if the exposed input has to be submitted multiple times. This is TRUE when exposed filters grouped are using checkboxes as widgets. 1
views_handler::needs_style_plugin public function Determine if the argument needs a style plugin. 1
views_handler::placeholder public function Provides a unique placeholders for handlers.
views_handler::post_execute public function Run after the view is executed, before the result is cached. 1
views_handler::pre_query public function Run before the view is built. 1
views_handler::sanitize_value public function Sanitize the value for output.
views_handler::set_relationship public function Called just prior to query(), this lets a handler set up any relationship it needs.
views_handler::show_expose_form public function Shortcut to display the exposed options form.
views_handler::store_exposed_input public function If set to remember exposed input in the session, store it there. 1
views_handler::ui_name public function Return a string representing this handler's name in the UI. 9
views_handler::use_group_by public function Provides the handler some groupby. 2
views_handler::validate public function Validates the handler against the complete View. 1
views_handler_sort::expose_form public function Form for exposed handler options. Overrides views_handler::expose_form
views_handler_sort::expose_options public function Provide default options for exposed sorts. Overrides views_handler::expose_options
views_handler_sort::options_form public function Basic options for all sort criteria Overrides views_handler::options_form 4
views_handler_sort::options_submit public function Simple submit handler. Overrides views_handler::options_submit
views_handler_sort::options_validate public function Simple validate handler. Overrides views_handler::options_validate
views_handler_sort::show_expose_button public function Shortcut to display the expose/hide button. Overrides views_handler::show_expose_button
views_handler_sort::sort_options public function Provide a list of options for the default sort form.
views_handler_sort::sort_submit public function
views_handler_sort::sort_validate public function
views_handler_sort_node_language::admin_summary public function Display whether or not the sort order is ascending or descending Overrides views_handler_sort::admin_summary
views_handler_sort_node_language::can_expose public function Determine if a sort can be exposed. Overrides views_handler_sort::can_expose
views_handler_sort_node_language::get_language_options public function Returns languages to sort by.
views_handler_sort_node_language::get_system_langcode public function Converts a views language code into a Drupal language code.
views_handler_sort_node_language::option_definition public function Information about options for all kinds of purposes will be held here. Overrides views_handler_sort::option_definition
views_handler_sort_node_language::query public function Called to add the sort to a query. Overrides views_handler_sort::query
views_handler_sort_node_language::show_sort_form public function Shortcut to display the value form. Overrides views_handler_sort::show_sort_form
views_object::$definition public property Handler's definition.
views_object::$options public property Except for displays, options for the object will be held here. 1
views_object::altered_option_definition function Collect this handler's option definition and alter them, ready for use.
views_object::construct public function Views handlers use a special construct function. 4
views_object::destroy public function Destructor. 2
views_object::export_option public function 1
views_object::export_options public function
views_object::export_option_always public function Always exports the option, regardless of the default value.
views_object::options Deprecated public function Set default options on this object. 1
views_object::set_default_options public function Set default options.
views_object::set_definition public function Let the handler know what its full definition is.
views_object::unpack_options public function Unpack options over our existing defaults, drilling down into arrays so that defaults don't get totally blown away.
views_object::unpack_translatable public function Unpack a single option definition.
views_object::unpack_translatables public function Unpacks each handler to store translatable texts.
views_object::_set_option_defaults public function