vms_handler_filter_mlid.inc in Views Menu Support 7

Filter handler for allowing restricting integer fields based on currently active menu items (plus trails).

File

handlers/vms_handler_filter_mlid.inc

<?php

/**
 * @file
 * Filter handler for allowing restricting integer fields based on currently
 * active menu items (plus trails).
 */

/**
 * Filter to compare a field against currently active menu link item.
 */
class vms_handler_filter_mlid extends views_handler_filter_equality {

  /**
   * Provide simple equality operator.
   */
  function operator_options() {
    return array(
      '=' => t('Is in'),
      '!=' => t('Is not in'),
    );
  }

  /**
   * Provide a select list to select (replacement) value.
   */
  function value_form(&$form, &$form_state) {
    $form['value'] = array(
      '#type' => 'select',
      '#title' => t('Menu item'),
      '#options' => vms_mlid_query_types(),
      '#default_value' => $this->value,
    );
  }

  /**
   * Display the filter on the administrative summary.
   */
  function admin_summary() {
    $options = vms_mlid_query_types();
    $operators = $this
      ->operator_options();
    return check_plain($operators[$this->operator] . ' ' . $options[$this->value]);
  }

  /**
   * This filter cannot be exposed.
   */
  function can_expose() {
    return FALSE;
  }

  /**
   * Add the filtering to the query.
   *
   * Potentially redundant if the parent class could be replaced with an IN
   * handler.
   */
  public function query() {
    $this
      ->ensure_my_table();
    $vms_target = vms_get_current_mlid($this->options['value']);
    $table = $this->table_alias . '.' . $this->real_field;
    if ($this->operator == '=') {
      $this->query
        ->add_where($this->options['group'], $table, $vms_target, 'IN');
    }
    else {
      $this->query
        ->add_where($this->options['group'], db_or()
        ->condition($table, $vms_target, 'NOT IN')
        ->condition($table, $vms_target, 'IS NULL'));
    }
  }

}

Classes

Name	Description
vms_handler_filter_mlid	Filter to compare a field against currently active menu link item.