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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));
- }
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