Add access control for current site language.

includes/context-access-admin.inc

@@ -452,7 +452,9 @@ function ctools_access_ajax_edit_item_submit(&$form, &$form_state) {
   }
 
   $form_state['test']['settings'] = $form_state['values']['settings'];
-  $form_state['test']['context'] = $form_state['values']['context'];
+  if (isset($form_state['values']['context'])) {
+    $form_state['test']['context'] = $form_state['values']['context'];
+  }
 }
 
 /**

includes/context.inc

@@ -933,7 +933,9 @@ function ctools_access_summary($plugin, $contexts, $test) {
 
   $description = '';
   if ($function = ctools_plugin_get_function($plugin, 'summary')) {
-    $description = $function($test['settings'], ctools_context_select($contexts, $plugin['required context'], $test['context']));
+    $required_context = isset($plugin['required context']) ? $plugin['required context'] : array();
+    $context = isset($test['context']) ? $test['context'] : array();
+    $description = $function($test['settings'], ctools_context_select($contexts, $required_context, $context));
   }
   return $description;
 }
@@ -969,7 +971,9 @@ function ctools_access($settings, $contexts = array()) {
     $pass = FALSE;
     $plugin = ctools_get_access_plugin($test['name']);
     if ($plugin && $function = ctools_plugin_get_function($plugin, 'callback')) {
-      $pass = $function($test['settings'], ctools_context_select($contexts, $plugin['required context'], $test['context']));
+    $required_context = isset($plugin['required context']) ? $plugin['required context'] : array();
+    $context = isset($test['context']) ? $test['context'] : array();
+      $pass = $function($test['settings'], ctools_context_select($contexts, $required_context, $context));
     }
 
     if ($pass && $settings['logic'] == 'or') {

plugins/access/node_language.inc

@@ -33,10 +33,11 @@ function ctools_node_language_ctools_access_settings(&$form, &$form_state, $conf
   $options = array(
     'current' => t('Current site language'),
     'default' => t('Default site language'),
+    'no_language' => t('No language'),
   );
   $options = array_merge($options, locale_language_list());
   $form['settings']['language'] = array(
-    '#title' => t('Access type'),
+    '#title' => t('Language'),
     '#type' => 'checkboxes',
     '#options' => $options,
     '#description' => t('Pass only if the node is in one of the selected languages.'),
@@ -56,6 +57,14 @@ function ctools_node_language_ctools_access_check($conf, $context) {
 
   global $language;
 
+  // Specialcase: if 'no language' is checked, return TRUE if the language field is
+  // empty.
+  if (!empty($conf['language']['no_language'])) {
+    if (empty($context->data->language)) {
+      return TRUE;
+    }
+  }
+
   // Specialcase: if 'current' is checked, return TRUE if the current site language
   // matches the node language.
   if (!empty($conf['language']['current'])) {
@@ -86,6 +95,7 @@ function ctools_node_language_ctools_acesss_summary($conf, $context) {
   $languages = array(
     'current' => t('Current site language'),
     'default' => t('Default site language'),
+    'no_language' => t('No language'),
   );
   $languages = array_merge($languages, locale_language_list());
 

plugins/access/site_language.inc

+<?php
+// $Id$
+
+/**
+ * @file
+ * Plugin to provide access control based upon node type.
+ */
+
+/**
+ * Implementation of specially named hook_ctools_arguments().
+ */
+function ctools_site_language_ctools_access() {
+  if (module_exists('locale')) {
+    $args['site_language'] = array(
+      'title' => t("Access by site language"),
+      'description' => t('Control access by the language the site currently uses.'),
+      'callback' => 'ctools_site_language_ctools_access_check',
+      'default' => array('language' => array()),
+      'settings form' => 'ctools_site_language_ctools_access_settings',
+      'settings form submit' => 'ctools_site_language_ctools_access_settings_submit',
+      'summary' => 'ctools_site_language_ctools_acesss_summary',
+//      'required context' => new ctools_context_required(t('Node'), 'node'),
+    );
+  }
+
+  return $args;
+}
+
+/**
+ * Settings form for the 'by site_language' access plugin
+ */
+function ctools_site_language_ctools_access_settings(&$form, &$form_state, $conf) {
+  $options = array(
+    'default' => t('Default site language'),
+  );
+  $options = array_merge($options, locale_language_list());
+  $form['settings']['language'] = array(
+    '#title' => t('Language'),
+    '#type' => 'checkboxes',
+    '#options' => $options,
+    '#description' => t('Pass only if the current site language is one of the selected languages.'),
+    '#default_value' => $conf['language'],
+  );
+}
+
+/**
+ * Check for access.
+ */
+function ctools_site_language_ctools_access_check($conf, $context) {
+  global $language;
+
+  // Specialcase: If 'default' is checked, return TRUE if the default site language
+  // matches the node language.
+  if (!empty($conf['language']['default'])) {
+    if ($language->language == language_default('language')) {
+      return TRUE;
+    }
+  }
+
+  if (array_filter($conf['language']) && empty($conf['language'][$language->language])) {
+    return FALSE;
+  }
+
+  return TRUE;
+}
+
+/**
+ * Provide a summary description based upon the checked site_languages.
+ */
+function ctools_site_language_ctools_acesss_summary($conf, $context) {
+  $languages = array(
+    'default' => t('Default site language'),
+  );
+  $languages = array_merge($languages, locale_language_list());
+
+  if (!isset($conf['language'])) {
+    $conf['language'] = array();
+  }
+
+  $names = array();
+  foreach (array_filter($conf['language']) as $language) {
+    $names[] = $languages[$language];
+  }
+
+  if (empty($names)) {
+    return t('Site language can be in any language');
+  }
+
+  return format_plural(count($names), 'Site language can be languages "@languages"', 'Site language can be language "@languages"', array('@languages' => implode(', ', $names)));
+}
\ No newline at end of file