/**
* Allow previewing and updating of a standalone collection
*/
public function action_customize_save_collection()
{
// current_filter() is for backwards compat even though these are actions
if (0 === strpos(current_filter(), 'customize_update_')) {
$action = 'update';
$collection_name = str_replace('customize_update_collection_setting_', '', current_filter());
} else {
if (0 === strpos(current_filter(), 'customize_preview_')) {
$action = 'preview';
$collection_name = str_replace('customize_preview_collection_setting_', '', current_filter());
} else {
return;
}
}
$collection = Post_Collection::get_by_name($collection_name);
if (!$collection) {
$collection = Post_Collection::create($collection_name);
}
$posted_items = json_decode(wp_unslash($_POST['customized']), true);
$key = 'collection_setting_' . $collection_name;
$values = !empty($posted_items[$key]) ? array_map('intval', $posted_items[$key]) : array();
if ('update' == $action) {
$collection->set_customizer_item_ids($values);
$collection->set_published_item_ids($values);
} else {
if ('preview' == $action) {
$collection->set_customizer_item_ids($values);
}
}
}
/**
* Update the posts associated with widget
*
* @param array $new_instance
* @param array $old_instance
* @return array $instance
*/
public function update($new_instance, $old_instance)
{
$collection = Post_Collection::get_by_name($this->get_collection_name());
if (!$collection) {
$collection = Post_Collection::create($this->get_collection_name());
if (is_wp_error($collection)) {
return $old_instance;
}
}
$instance = array();
$instance['title'] = !empty($new_instance['title']) ? sanitize_text_field($new_instance['title']) : '';
if (!empty($new_instance['collection_items'])) {
$instance_items = array_map('absint', explode(',', $new_instance['collection_items']));
} else {
$instance_items = array();
}
// Triggers cache bust in Customizer and also used for save
$instance['collection_items_stash'] = $instance_items;
// Doing a customizer preview should only modify Customizer collection items.
if ($this->is_customizer_widget_update()) {
$collection->set_customizer_item_ids($instance_items);
} else {
$collection->set_published_item_ids($instance_items);
}
return $instance;
}
