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<?php
/**
* @file
* Plugin to provide access control based upon node type.
*/
/**
* Plugins are described by creating a $plugin array which will be used
* by the system that includes this file.
*/
if (module_exists('locale')) {
$plugin = array(
'title' => t("Node: language"),
'description' => t('Control access by node language.'),
'callback' => 'ctools_node_language_ctools_access_check',
'default' => array('language' => array()),
'settings form' => 'ctools_node_language_ctools_access_settings',
'settings form submit' => 'ctools_node_language_ctools_access_settings_submit',
'summary' => 'ctools_node_language_ctools_access_summary',
'required context' => new ctools_context_required(t('Node'), 'node'),
);
}
/**
* Settings form for the 'by node_language' access plugin
*/
function ctools_node_language_ctools_access_settings($form, &$form_state, $conf) {
$options = array(
'current' => t('Current site language'),
'default' => t('Default site language'),
'no_language' => t('No 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 node is in one of the selected languages.'),
'#default_value' => $conf['language'],
);
return $form;
}
/**
* Check for access.
*/
function ctools_node_language_ctools_access_check($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 $language;
// Specialcase: if 'no language' is checked, return TRUE if the language field is
// empty.
if (!empty($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'])) {
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_access_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());
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 is in any language', array('@identifier' => $context->identifier));
}
return format_plural(count($names), '@identifier language is "@languages"', '@identifier language is one of "@languages"', array('@languages' => implode(', ', $names), '@identifier' => $context->identifier));
}
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