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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.
*/
$plugin = array(
'title' => t("Node: type"),
'description' => t('Control access by node_type.'),
'callback' => 'ctools_node_type_ctools_access_check',
'default' => array('type' => array()),
'settings form' => 'ctools_node_type_ctools_access_settings',
'settings form submit' => 'ctools_node_type_ctools_access_settings_submit',
'summary' => 'ctools_node_type_ctools_access_summary',
'required context' => new ctools_context_required(t('Node'), 'node'),
'restrictions' => 'ctools_node_type_ctools_access_restrictions',
);
/**
* Settings form for the 'by node_type' access plugin
*/
function ctools_node_type_ctools_access_settings($form, &$form_state, $conf) {
$types = node_type_get_types();
foreach ($types as $type => $info) {
$options[$type] = check_plain($info->name);
}
$form['settings']['type'] = array(
'#title' => t('Node type'),
'#type' => 'checkboxes',
'#options' => $options,
'#description' => t('Only the checked node types will be valid.'),
'#default_value' => $conf['type'],
);
return $form;
}
/**
* Compress the node_types allowed to the minimum.
*/
function ctools_node_type_ctools_access_settings_submit($form, &$form_state) {
$form_state['values']['settings']['type'] = array_filter($form_state['values']['settings']['type']);
}
/**
* Check for access.
*/
function ctools_node_type_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($context->data) || empty($context->data->type)) {
return FALSE;
}
if (array_filter($conf['type']) && empty($conf['type'][$context->data->type])) {
return FALSE;
}
return TRUE;
}
/**
* Inform the UI that we've eliminated a bunch of possibilities for this
* context.
*/
function ctools_node_type_ctools_access_restrictions($conf, &$context) {
if (isset($context->restrictions['type'])) {
$context->restrictions['type'] = array_unique(array_merge($context->restrictions['type'], array_keys(array_filter($conf['type']))));
}
else {
$context->restrictions['type'] = array_keys(array_filter($conf['type']));
}
}
/**
* Provide a summary description based upon the checked node_types.
*/
function ctools_node_type_ctools_access_summary($conf, $context) {
if (!isset($conf['type'])) {
$conf['type'] = array();
}
$types = node_type_get_types();
$names = array();
// If a node type doesn't exist, let the user know, but prevent a notice.
$missing_types = array();
foreach (array_filter($conf['type']) as $type) {
if (!empty($types[$type])) {
$names[] = check_plain($types[$type]->name);
}
else {
$missing_types[] = check_plain($type);
}
}
if (empty($names) && empty($missing_types)) {
return t('@identifier is any node type', array('@identifier' => $context->identifier));
}
if (!empty($missing_types)) {
$output = array();
if (!empty($names)) {
$output[] = format_plural(count($names), '@identifier is type "@types"', '@identifier type is one of "@types"', array('@types' => implode(', ', $names), '@identifier' => $context->identifier));
}
$output[] = format_plural(count($missing_types), 'Missing/ deleted type "@types"', 'Missing/ deleted type is one of "@types"', array('@types' => implode(', ', $missing_types)));
return implode(' | ', $output);
}
return format_plural(count($names), '@identifier is type "@types"', '@identifier type is one of "@types"', array('@types' => implode(', ', $names), '@identifier' => $context->identifier));
}
|
