term_childless.inc in Contextual Administration 6

Provides access handler based upon the lack of child terms for the term we're on.

File

plugins/access/term_childless.inc

<?php

//$Id$

/**
 * @file
 * Provides access handler based upon the lack of child terms for the term we're on.
 */

/**
 * Plugins are described by creating a $plugin array which will be used
 * by the system that includes this file.
 */
$plugin = array(
  'title' => t("Term: Childless"),
  'description' => t('Control access based upon the lack of children on the current term.'),
  'callback' => 'context_admin_term_childless_access_check',
  'default' => array(
    'menu' => array(),
  ),
  'settings form' => 'context_admin_term_childless_access_settings',
  'settings form submit' => 'context_admin_term_childless_access_settings_submit',
  'summary' => 'context_admin_term_childless_access_summary',
  'required context' => new ctools_context_required(t('Term'), array(
    'term',
    'terms',
  )),
);
function context_admin_term_childless_access_settings(&$form, &$form_state, $conf) {
  $form['settings']['childless'] = array(
    '#type' => 'markup',
    '#value' => '<p>' . t('Provides a access check against the current term to make sure it is not the parent of any other terms.') . '</p>',
  );
}
function context_admin_term_childless_access_settings_submit(&$form, &$form_state) {
}

/**
 * Check for access.
 */
function context_admin_term_childless_access_check($conf, $context) {

  // Per the example in node type in core ctools
  if (empty($context) || empty($context->data) || empty($context->data->tid)) {
    return FALSE;
  }
  $result = db_result(db_query("SELECT tid FROM {term_hierarchy} WHERE parent = %d", $context->data->tid));
  if ($result) {
    return FALSE;
  }
  else {
    return TRUE;
  }
  return FALSE;
}

/**
 * Provide a summary description based upon the checked node_types.
 */
function context_admin_term_childless_access_summary($conf, $context) {
  return t('@identifier is a term with no children"', array(
    '@identifier' => $context->identifier,
  ));
}

Functions

Name	Description
context_admin_term_childless_access_check	Check for access.
context_admin_term_childless_access_settings
context_admin_term_childless_access_settings_submit
context_admin_term_childless_access_summary	Provide a summary description based upon the checked node_types.