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<?php |
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namespace Carbon_Fields\Container; |
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use Carbon_Fields\Datastore\Meta_Datastore; |
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use Carbon_Fields\Datastore\Nav_Menu_Datastore; |
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use Carbon_Fields\Walker\Nav_Menu_Edit_Walker; |
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use Carbon_Fields\Exception\Incorrect_Syntax_Exception; |
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/** |
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* Nav menu item fields container class. |
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*/ |
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class Nav_Menu_Container extends Container { |
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public static $instances = array(); |
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public static $active_containers = array(); |
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public static $initialized = false; |
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/** |
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* Create a new nav menu item fields container |
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* |
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* @param string $id ID of the container |
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**/ |
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public function __construct( $id ) { |
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// Reset the registered fields array, this is required so we can have fields with same names |
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self::$registered_field_names = array(); |
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$id = str_replace( ' ', '', ucwords( str_replace( '_', ' ', $id ) ) ); |
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$this->id = $id; |
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$this->store = new Nav_Menu_Datastore(); |
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self::initialize_filters(); |
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} |
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/** |
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* Perform instance initialization after calling setup() |
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* |
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* @param int $menu_id Used to pass the correct menu_item_id to the Container object |
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* @param bool $render Whether the container will render the fields. |
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*/ |
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public function init( $menu_id = 0, $render = true ) { |
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$this->set_menu_id( $menu_id ); |
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$this->load(); |
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$this->_attach(); |
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if ( ! empty( $menu_id ) && $render === true ) { |
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$this->render(); |
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} |
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return $this; |
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} |
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/** |
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* Set the menu item ID the container will operate with. |
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* |
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* @param int $menu_id |
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**/ |
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public function set_menu_id( $menu_id ) { |
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$this->menu_id = $menu_id; |
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$this->store->set_id( $menu_id ); |
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} |
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/** |
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* Checks whether the current request is valid |
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* |
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* @return bool |
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**/ |
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public function is_valid_save() { |
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return true; |
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} |
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/** |
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* Perform save operation after successful is_valid_save() check. |
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* The call is propagated to all fields in the container. |
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**/ |
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public function save( $user_data = null ) { |
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foreach ( $this->fields as $field ) { |
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$field->set_value_from_input(); |
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$field->save(); |
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} |
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do_action( 'carbon_after_save_nav_menu', $this ); |
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} |
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/** |
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* Returns an array that holds the container data, suitable for JSON representation. |
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* This data will be available in the Underscore template and the Backbone Model. |
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* |
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* @param bool $load Should the value be loaded from the database or use the value from the current instance. |
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* @return array |
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*/ |
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public function to_json( $load ) { |
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$carbon_data = parent::to_json( false ); |
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// Sends the menu_id to javascript |
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$carbon_data = array_merge( $carbon_data, array( |
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'menu_id' => $this->menu_id, |
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) ); |
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return $carbon_data; |
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} |
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/** |
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* Output the container markup |
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**/ |
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public function render() { |
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include \Carbon_Fields\DIR . '/templates/Container/nav_menu.php'; |
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} |
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/** |
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* TODO: make sure the containers for nav menus are not printed everywhere |
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*/ |
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public function is_valid_attach() { |
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return true; |
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} |
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/** |
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* Initialize filters. This will be executed only once |
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*/ |
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public static function initialize_filters() { |
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if ( self::$initialized ) { |
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return; |
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} |
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$self = 'Carbon_Fields\Container\Nav_Menu_Container'; |
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add_action( 'crb_print_carbon_container_nav_menu_fields_html', array( $self, 'form' ), 10, 5 ); |
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add_filter( 'wp_edit_nav_menu_walker', array( $self, 'edit_walker' ), 10, 2 ); |
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add_action( 'wp_update_nav_menu_item', array( $self, 'update' ), 10, 3 ); |
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} |
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/** |
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* Get containers only once, and store in instance memory. |
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*/ |
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public static function get_containers() { |
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if ( empty( self::$active_containers ) ) { |
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self::$active_containers = Container::get_active_containers(); |
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} |
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return self::$active_containers; |
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} |
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/** |
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* Render custom fields inside each Nav Menu entry |
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*/ |
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public static function form( $item ) { |
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self::set_instance_for_id( $item->ID, true ); |
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} |
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/** |
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* Setup custom walker for the Nav Menu entries |
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*/ |
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public static function edit_walker() { |
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return 'Carbon_Fields\Walker\Nav_Menu_Edit_Walker'; |
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} |
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/** |
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* Trigger Save for all instances |
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*/ |
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public static function update( $menu_id, $current_menu_item_id ) { |
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$instance = self::set_instance_for_id( $current_menu_item_id, false ); |
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$instance->_save(); |
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return $instance; |
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} |
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/** |
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* Render attribute prevents field containers showing on menu save |
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*/ |
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public static function set_instance_for_id( $current_menu_item_id, $render = true ) { |
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$active_containers = self::get_containers(); |
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$suffix = '-' . $current_menu_item_id; |
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foreach ( $active_containers as $container ) { |
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if ( $container->type != 'Nav_Menu' ) { |
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continue; |
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} |
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$custom_fields = array(); |
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$fields = $container->get_fields(); |
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foreach ( $fields as $field ) { |
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$tmp_field = clone $field; |
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// Setup Public properties |
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$tmp_field->current_menu_item_id = $current_menu_item_id; |
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$tmp_field->initial_name = $tmp_field->get_name(); |
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// Setup Field ID and Name |
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$tmp_field->set_id( $tmp_field->get_id() . $suffix ); |
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$tmp_field->set_name( $tmp_field->get_name() . $suffix ); |
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// Update Datastore instance |
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$new_datastore = new Nav_Menu_Datastore(); |
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$new_datastore->set_id( $current_menu_item_id ); |
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$tmp_field->set_datastore( $new_datastore ); |
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$custom_fields[] = $tmp_field; |
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} |
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self::$instances[ $current_menu_item_id ] = Container::factory( 'nav_menu', $container->id . $suffix ) |
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->add_fields( $custom_fields ) |
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->init( $current_menu_item_id, $render ); |
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} |
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return self::$instances[ $current_menu_item_id ]; |
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} |
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} |
htmlburger /
carbon-fields
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.