From 60044db6509400df482f53aa46f56c8833e9ec5e Mon Sep 17 00:00:00 2001
From: Earl Miles <merlin@logrus.com>
Date: Tue, 13 Jan 2009 18:32:56 +0000
Subject: [PATCH] Add access/selector by node language.

---
 plugins/access/node_access.inc   |   4 +-
 plugins/access/node_language.inc | 106 +++++++++++++++++++++++++++++++
 2 files changed, 108 insertions(+), 2 deletions(-)
 create mode 100644 plugins/access/node_language.inc

diff --git a/plugins/access/node_access.inc b/plugins/access/node_access.inc
index bf5393ce..6b0c0502 100644
--- a/plugins/access/node_access.inc
+++ b/plugins/access/node_access.inc
@@ -11,7 +11,7 @@
  */
 function ctools_node_access_ctools_access() {
   $args['node_access'] = array(
-    'title' => t("Operation"),
+    'title' => t("Node access by node security"),
     'description' => t('Control access with built in Drupal node access test.'),
     'callback' => 'ctools_node_access_ctools_access_check',
     'default' => array('type' => 'view'),
@@ -32,7 +32,7 @@ function ctools_node_access_ctools_access() {
  */
 function ctools_node_access_ctools_access_settings(&$form, &$form_state, $conf) {
   $form['settings']['type'] = array(
-    '#title' => t('Access type'),
+    '#title' => t('Operation'),
     '#type' => 'radios',
     '#options' => array(
       'view' => t('View'),
diff --git a/plugins/access/node_language.inc b/plugins/access/node_language.inc
new file mode 100644
index 00000000..7ce2254e
--- /dev/null
+++ b/plugins/access/node_language.inc
@@ -0,0 +1,106 @@
+<?php
+// $Id$
+
+/**
+ * @file
+ * Plugin to provide access control based upon node type.
+ */
+
+/**
+ * Implementation of specially named hook_ctools_arguments().
+ */
+function ctools_node_language_ctools_access() {
+  if (module_exists('locale')) {
+    $args['node_language'] = array(
+      'title' => t("Node access by language"),
+      'description' => t('Control access by node language.'),
+      'callback' => 'ctools_node_language_ctools_access_check',
+      'default' => array('language' => array()),
+      'settings form' => 'ctools_node_language_ctools_access_settings',
+      'settings form submit' => 'ctools_node_language_ctools_access_settings_submit',
+      'summary' => 'ctools_node_language_ctools_acesss_summary',
+      'required context' => new ctools_context_required(t('Node'), 'node'),
+    );
+  }
+
+  return $args;
+}
+
+/**
+ * Settings form for the 'by node_language' access plugin
+ */
+function ctools_node_language_ctools_access_settings(&$form, &$form_state, $conf) {
+  $options = array(
+    'current' => t('Current site language'),
+    'default' => t('Default site language'),
+  );
+  $options = array_merge($options, locale_language_list());
+  $form['settings']['language'] = array(
+    '#title' => t('Access type'),
+    '#type' => 'checkboxes',
+    '#options' => $options,
+    '#description' => t('Pass only if the node is in one of the selected languages.'),
+    '#default_value' => $conf['language'],
+  );
+}
+
+/**
+ * Check for access.
+ */
+function ctools_node_language_ctools_access_check($conf, $context) {
+  // As far as I know there should always be a context at this point, but this
+  // is safe.
+  if (empty($context) || empty($context->data) || !isset($context->data->language)) {
+    return FALSE;
+  }
+
+  global $language;
+
+  // Specialcase: if 'current' is checked, return TRUE if the current site language
+  // matches the node language.
+  if (!empty($conf['language']['current'])) {
+    if ($context->data->language == $language->language) {
+      return TRUE;
+    }
+  }
+
+  // Specialcase: If 'default' is checked, return TRUE if the default site language
+  // matches the node language.
+  if (!empty($conf['language']['default'])) {
+    if ($context->data->language == language_default('language')) {
+      return TRUE;
+    }
+  }
+
+  if (array_filter($conf['language']) && empty($conf['language'][$context->data->language])) {
+    return FALSE;
+  }
+
+  return TRUE;
+}
+
+/**
+ * Provide a summary description based upon the checked node_languages.
+ */
+function ctools_node_language_ctools_acesss_summary($conf, $context) {
+  $languages = array(
+    'current' => t('Current site language'),
+    '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('@identifier can be in any language', array('@identifier' => $context->identifier));
+  }
+
+  return format_plural(count($names), '@identifier can be in languages "@languages"', '@identifier can be in language "@languages"', array('@languages' => implode(', ', $names), '@identifier' => $context->identifier));
+}
\ No newline at end of file
-- 
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