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<?php |
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namespace Carbon_Fields\Container; |
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use Carbon_Fields\Datastore\Datastore; |
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use Carbon_Fields\Exception\Incorrect_Syntax_Exception; |
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/** |
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* Field container designed to extend WordPress custom fields functionality, |
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* providing easier user interface to add, edit and delete text, media files, |
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* location information and more. |
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*/ |
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class Post_Meta_Container extends Container { |
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/** |
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* ID of the post the container is working with |
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* |
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* @see init() |
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* @var int |
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*/ |
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protected $post_id; |
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/** |
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* List of default container settings |
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* |
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* @see init() |
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* @var array |
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*/ |
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public $settings = array( |
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'post_type' => array( 'post' ), |
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'panel_context' => 'normal', |
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'panel_priority' => 'high', |
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'show_on' => array( |
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'category' => null, |
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'template_names' => array(), |
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'not_in_template_names' => array(), |
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'post_formats' => array(), |
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'level_limit' => null, |
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'tax_term_id' => null, |
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'page_id' => null, |
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'parent_page_id' => null, |
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'post_path' => null, |
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), |
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); |
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/** |
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* Create a new container |
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* |
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* @param string $unique_id Unique id of the container |
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* @param string $title title of the container |
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* @param string $type Type of the container |
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**/ |
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View Code Duplication |
public function __construct( $unique_id, $title, $type ) { |
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parent::__construct( $unique_id, $title, $type ); |
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if ( ! $this->get_datastore() ) { |
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$this->set_datastore( Datastore::make( 'post_meta' ), $this->has_default_datastore() ); |
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} |
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} |
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/** |
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* Create DataStore instance, set post ID to operate with (if such exists). |
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* Bind attach() and save() to the appropriate WordPress actions. |
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**/ |
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public function init() { |
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$request_post_id = isset( $_GET['post'] ) ? intval( $_GET['post'] ) : 0; |
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if ( $request_post_id > 0 ) { |
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$this->set_post_id( $request_post_id ); |
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} |
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// force post_type to be array |
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if ( ! is_array( $this->settings['post_type'] ) ) { |
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$this->settings['post_type'] = array( $this->settings['post_type'] ); |
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} |
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add_action( 'admin_init', array( $this, '_attach' ) ); |
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add_action( 'save_post', array( $this, '_save' ) ); |
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// support for attachments |
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add_action( 'add_attachment', array( $this, '_save' ) ); |
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add_action( 'edit_attachment', array( $this, '_save' ) ); |
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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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* @param int $post_id ID of the post against which save() is ran |
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**/ |
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View Code Duplication |
public function save( $post_id ) { |
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// Unhook action to garantee single save |
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remove_action( 'save_post', array( $this, '_save' ) ); |
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$this->set_post_id( $post_id ); |
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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_custom_fields', $post_id ); |
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do_action( 'carbon_after_save_post_meta', $post_id ); |
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} |
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/** |
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* Perform checks whether the current save() request is valid |
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* Possible errors are triggering save() for autosave requests |
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* or performing post save outside of the post edit page (like Quick Edit) |
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* |
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* @param int $post_id ID of the post against which save() is ran |
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* @return bool |
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**/ |
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public function is_valid_save( $post_id = 0 ) { |
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if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) { |
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return false; |
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} |
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if ( ! $this->verified_nonce_in_request() ) { |
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return false; |
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} |
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return $this->is_valid_attach_for_object( $post_id ); |
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} |
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/** |
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* Perform checks whether the container should be attached during the current request |
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* |
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* @return bool True if the container is allowed to be attached |
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**/ |
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public function is_valid_attach_for_request() { |
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global $pagenow; |
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if ( $pagenow !== 'post.php' && $pagenow !== 'post-new.php' ) { |
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return false; |
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} |
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// Post types check |
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if ( ! empty( $this->settings['post_type'] ) ) { |
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$post_type = ''; |
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$request_post_type = isset( $_GET['post_type'] ) ? $_GET['post_type'] : ''; |
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if ( $this->post_id ) { |
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$post_type = get_post_type( $this->post_id ); |
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} elseif ( ! empty( $request_post_type ) ) { |
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$post_type = $request_post_type; |
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} elseif ( $pagenow === 'post-new.php' ) { |
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$post_type = 'post'; |
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} |
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if ( ! $post_type || ! in_array( $post_type, $this->settings['post_type'] ) ) { |
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return false; |
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} |
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} |
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// Check show on conditions |
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foreach ( $this->settings['show_on'] as $condition => $value ) { |
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if ( is_null( $value ) ) { |
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continue; |
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} |
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switch ( $condition ) { |
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case 'page_id': |
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if ( $value < 1 || $this->post_id != $value ) { |
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return false; |
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} |
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break; |
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case 'parent_page_id': |
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// Check if such page exists |
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if ( $value < 1 ) { |
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return false; |
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} |
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break; |
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} |
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} |
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return true; |
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} |
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/** |
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* Check container attachment rules against object id |
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* |
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* @return bool |
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**/ |
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public function is_valid_attach_for_object( $object_id = null ) { |
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$valid = true; |
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$post_id = $object_id; |
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$post = get_post( $post_id ); |
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if ( ! $post ) { |
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return false; |
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} |
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// Check post type |
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if ( ! in_array( $post->post_type, $this->settings['post_type'] ) ) { |
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return false; |
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} |
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// Check show on conditions |
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foreach ( $this->settings['show_on'] as $condition => $value ) { |
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if ( is_null( $value ) ) { |
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continue; |
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} |
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switch ( $condition ) { |
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// show_on_post_format |
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case 'post_formats': |
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if ( empty( $value ) || $post->post_type != 'post' ) { |
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break; |
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} |
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$current_format = get_post_format( $post_id ); |
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if ( ! in_array( $current_format, $value ) ) { |
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$valid = false; |
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break 2; |
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} |
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break; |
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// show_on_taxonomy_term or show_on_category |
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case 'category': |
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$this->show_on_category( $value ); |
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/* fall-through intended */ |
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case 'tax_term_id': |
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$current_terms = wp_get_object_terms( $post_id, $this->settings['show_on']['tax_slug'], array( 'fields' => 'ids' ) ); |
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if ( ! is_array( $current_terms ) || ! in_array( $this->settings['show_on']['tax_term_id'], $current_terms ) ) { |
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$valid = false; |
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break 2; |
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} |
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break; |
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// show_on_level |
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case 'level_limit': |
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$post_level = count( get_post_ancestors( $post_id ) ) + 1; |
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if ( $post_level != $value ) { |
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$valid = false; |
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break 2; |
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} |
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break; |
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// show_on_page |
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case 'page_id': |
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if ( $post_id != $value ) { |
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$valid = false; |
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break 2; |
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} |
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break; |
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// show_on_page_children |
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case 'parent_page_id': |
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if ( $post->post_parent != $value ) { |
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$valid = false; |
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break 2; |
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} |
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break; |
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// show_on_template |
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View Code Duplication |
case 'template_names': |
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if ( empty( $value ) ) { |
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break; |
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} |
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$current_template = get_post_meta( $post_id, '_wp_page_template', 1 ); |
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if ( ! in_array( $current_template, $value ) ) { |
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$valid = false; |
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break 2; |
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} |
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break; |
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// hide_on_template |
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View Code Duplication |
case 'not_in_template_names': |
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if ( empty( $value ) ) { |
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break; |
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} |
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$current_template = get_post_meta( $post_id, '_wp_page_template', 1 ); |
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if ( in_array( $current_template, $value ) ) { |
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$valid = false; |
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break 2; |
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} |
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break; |
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} |
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} |
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return $valid; |
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} |
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/** |
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* Add meta box for each of the container post types |
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**/ |
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public function attach() { |
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foreach ( $this->settings['post_type'] as $post_type ) { |
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add_meta_box( |
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$this->id, |
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$this->title, |
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array( $this, 'render' ), |
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$post_type, |
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$this->settings['panel_context'], |
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$this->settings['panel_priority'] |
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); |
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} |
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foreach ( $this->settings['post_type'] as $post_type ) { |
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add_filter( "postbox_classes_{$post_type}_{$this->id}", array( $this, 'add_postbox_classes' ) ); |
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} |
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} |
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/** |
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* Classes to add to the post meta box |
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*/ |
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public function add_postbox_classes( $classes ) { |
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$classes[] = 'carbon-box'; |
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return $classes; |
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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/post_meta.php'; |
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} |
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/** |
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* Set the post ID the container will operate with. |
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* |
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* @param int $post_id |
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**/ |
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public function set_post_id( $post_id ) { |
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$this->post_id = $post_id; |
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$this->get_datastore()->set_id( $post_id ); |
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} |
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/** |
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* COMMON USAGE METHODS |
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*/ |
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/** |
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* Show the container only on particular page referenced by it's path. |
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* |
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* @param int|string $page page ID or page path |
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* @return object $this |
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**/ |
350
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4 |
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public function show_on_page( $page ) { |
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4 |
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$page_id = absint( $page ); |
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353
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4 |
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if ( $page_id && $page_id == $page ) { |
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2 |
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$page_obj = get_post( $page_id ); |
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2 |
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} else { |
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2 |
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$page_obj = get_page_by_path( $page ); |
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} |
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359
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4 |
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$this->show_on_post_type( 'page' ); |
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361
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4 |
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if ( $page_obj ) { |
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4 |
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$this->settings['show_on']['page_id'] = $page_obj->ID; |
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4 |
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} else { |
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$this->settings['show_on']['page_id'] = -1; |
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} |
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4 |
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return $this; |
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} |
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370
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/** |
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* Show the container only on pages whose parent is referenced by $parent_page_path. |
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* |
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* @param string $parent_page_path |
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* @return object $this |
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**/ |
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1 |
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public function show_on_page_children( $parent_page_path ) { |
377
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1 |
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$page = get_page_by_path( $parent_page_path ); |
378
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379
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1 |
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$this->show_on_post_type( 'page' ); |
380
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381
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1 |
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if ( $page ) { |
382
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1 |
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$this->settings['show_on']['parent_page_id'] = $page->ID; |
383
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1 |
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} else { |
384
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$this->settings['show_on']['parent_page_id'] = -1; |
385
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} |
386
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387
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1 |
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return $this; |
388
|
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} |
389
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390
|
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/** |
391
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* Show the container only on posts from the specified category. |
392
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* |
393
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* @see show_on_taxonomy_term() |
394
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* |
395
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* @param string $category_slug |
396
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* @return object $this |
397
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**/ |
398
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public function show_on_category( $category_slug ) { |
399
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$this->settings['show_on']['category'] = $category_slug; |
400
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|
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|
401
|
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return $this->show_on_taxonomy_term( $category_slug, 'category' ); |
402
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} |
403
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404
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/** |
405
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* Show the container only on pages whose template has filename $template_path. |
406
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* |
407
|
|
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* @param string|array $template_path |
408
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* @return object $this |
409
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**/ |
410
|
2 |
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public function show_on_template( $template_path ) { |
411
|
|
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// Backwards compatibility where only pages support templates |
412
|
2 |
|
if ( version_compare( get_bloginfo( 'version' ), '4.7', '<' ) ) { |
413
|
2 |
|
$this->show_on_post_type( 'page' ); |
414
|
2 |
|
} |
415
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|
|
|
416
|
2 |
|
if ( is_array( $template_path ) ) { |
417
|
1 |
|
foreach ( $template_path as $path ) { |
418
|
1 |
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$this->show_on_template( $path ); |
419
|
1 |
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} |
420
|
|
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|
421
|
1 |
|
return $this; |
422
|
|
|
} |
423
|
|
|
|
424
|
2 |
|
$this->settings['show_on']['template_names'][] = $template_path; |
425
|
|
|
|
426
|
2 |
|
return $this; |
427
|
|
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} |
428
|
|
|
|
429
|
|
|
/** |
430
|
|
|
* Hide the container from pages whose template has filename $template_path. |
431
|
|
|
* |
432
|
|
|
* @param string|array $template_path |
433
|
|
|
* @return object $this |
434
|
|
|
**/ |
435
|
|
|
public function hide_on_template( $template_path ) { |
436
|
|
|
if ( is_array( $template_path ) ) { |
437
|
|
|
foreach ( $template_path as $path ) { |
438
|
|
|
$this->hide_on_template( $path ); |
439
|
|
|
} |
440
|
|
|
return $this; |
441
|
|
|
} |
442
|
|
|
|
443
|
|
|
$this->settings['show_on']['not_in_template_names'][] = $template_path; |
444
|
|
|
|
445
|
|
|
return $this; |
446
|
|
|
} |
447
|
|
|
|
448
|
|
|
/** |
449
|
|
|
* Show the container only on hierarchical posts of level $level. |
450
|
|
|
* Levels start from 1 (top level post) |
451
|
|
|
* |
452
|
|
|
* @param int $level |
453
|
|
|
* @return object $this |
454
|
|
|
**/ |
455
|
|
|
public function show_on_level( $level ) { |
456
|
|
|
if ( $level < 0 ) { |
457
|
|
|
Incorrect_Syntax_Exception::raise( 'Invalid level limitation (' . $level . ')' ); |
458
|
|
|
} |
459
|
|
|
|
460
|
|
|
$this->settings['show_on']['level_limit'] = $level; |
461
|
|
|
|
462
|
|
|
return $this; |
463
|
|
|
} |
464
|
|
|
|
465
|
|
|
/** |
466
|
|
|
* Show the container only on posts which have term $term_slug from the $taxonomy_slug taxonomy. |
467
|
|
|
* |
468
|
|
|
* @param string $taxonomy_slug |
469
|
|
|
* @param string $term_slug |
470
|
|
|
* @return object $this |
471
|
|
|
**/ |
472
|
|
|
public function show_on_taxonomy_term( $term_slug, $taxonomy_slug ) { |
473
|
|
|
$term = get_term_by( 'slug', $term_slug, $taxonomy_slug ); |
474
|
|
|
|
475
|
|
|
$this->settings['show_on']['tax_slug'] = $taxonomy_slug; |
476
|
|
|
$this->settings['show_on']['tax_term'] = $term_slug; |
477
|
|
|
$this->settings['show_on']['tax_term_id'] = $term ? $term->term_id : null; |
478
|
|
|
|
479
|
|
|
return $this; |
480
|
|
|
} |
481
|
|
|
|
482
|
|
|
/** |
483
|
|
|
* Show the container only on posts from the specified format. |
484
|
|
|
* Learn more about {@link http://codex.wordpress.org/Post_Formats Post Formats (Codex)} |
485
|
|
|
* |
486
|
|
|
* @param string|array $post_format Name of the format as listed on Codex |
487
|
|
|
* @return object $this |
488
|
|
|
**/ |
489
|
|
|
public function show_on_post_format( $post_format ) { |
490
|
|
|
if ( is_array( $post_format ) ) { |
491
|
|
|
foreach ( $post_format as $format ) { |
492
|
|
|
$this->show_on_post_format( $format ); |
493
|
|
|
} |
494
|
|
|
return $this; |
495
|
|
|
} |
496
|
|
|
|
497
|
|
|
if ( $post_format === 'standard' ) { |
498
|
|
|
$post_format = 0; |
499
|
|
|
} |
500
|
|
|
|
501
|
|
|
$this->settings['show_on']['post_formats'][] = strtolower( $post_format ); |
502
|
|
|
|
503
|
|
|
return $this; |
504
|
|
|
} |
505
|
|
|
|
506
|
|
|
/** |
507
|
|
|
* Show the container only on posts from the specified type(s). |
508
|
|
|
* |
509
|
|
|
* @param string|array $post_types |
510
|
|
|
* @return object $this |
511
|
|
|
**/ |
512
|
|
|
public function show_on_post_type( $post_types ) { |
513
|
|
|
$post_types = (array) $post_types; |
514
|
|
|
|
515
|
|
|
$this->settings['post_type'] = $post_types; |
516
|
|
|
|
517
|
|
|
return $this; |
518
|
|
|
} |
519
|
|
|
|
520
|
|
|
/** |
521
|
|
|
* Sets the meta box container context |
522
|
|
|
* |
523
|
|
|
* @see https://codex.wordpress.org/Function_Reference/add_meta_box |
524
|
|
|
* @param string $context ('normal', 'advanced' or 'side') |
525
|
|
|
*/ |
526
|
|
|
public function set_context( $context ) { |
527
|
|
|
$this->settings['panel_context'] = $context; |
528
|
|
|
|
529
|
|
|
return $this; |
530
|
|
|
} |
531
|
|
|
|
532
|
|
|
/** |
533
|
|
|
* Sets the meta box container priority |
534
|
|
|
* |
535
|
|
|
* @see https://codex.wordpress.org/Function_Reference/add_meta_box |
536
|
|
|
* @param string $priority ('high', 'core', 'default' or 'low') |
537
|
|
|
*/ |
538
|
|
|
public function set_priority( $priority ) { |
539
|
|
|
$this->settings['panel_priority'] = $priority; |
540
|
|
|
|
541
|
|
|
return $this; |
542
|
|
|
} |
543
|
|
|
} |
544
|
|
|
|