* @license GPL-2.0+
* @link https://robincornett.com
* @copyright 2014-2017 Robin Cornett Creative, LLC
*/
class Display_Featured_Image_Genesis_Post_Meta {
/**
* ID for our new metabox.
* @var string
*/
protected $metabox = 'displayfeaturedimagegenesis';
/**
* Post meta key to disable buttons
* @var string
*/
protected $disable = '_displayfeaturedimagegenesis_disable';
/**
* Post meta key to not move titles
* @var string
*/
protected $move = '_displayfeaturedimagegenesis_move';
/**
* For Gutenberg, add a new metabox, since the thumbnail hooks are no longer present.
* Should eventually be replaced with a block.
*
* @since 3.0.0
*
* @param $post_type
* @param $post
*/
public function add_metabox( $post_type, $post ) {
if ( ! $this->is_block_editor() ) {
return;
}
if ( ! post_type_supports( $post_type, 'thumbnail' ) ) {
return;
}
add_meta_box(
$this->metabox,
__( 'Display Featured Image', 'display-featured-image-genesis' ),
array( $this, 'do_metabox' ),
$post_type,
'side',
'low'
);
}
/**
* Output the metabox.
*
* @param $post
* @param $args
*/
public function do_metabox( $post, $args ) {
echo $this->get_metabox_content( $post->ID );
}
/**
* Build the metabox with the checkbox setting.
* @since 2.5.0
*
* @param $content
* @param $post_id
*
* @return string
*/
public function meta_box( $content, $post_id ) {
return $this->get_metabox_content( $post_id ) . $content;
}
/**
* Get the metabox content/fields.
*
* @param $post_id
*
* @return string
*/
protected function get_metabox_content( $post_id ) {
$output = wp_nonce_field( 'displayfeaturedimagegenesis_post_save', 'displayfeaturedimagegenesis_post_nonce', true, false );
$select = $this->get_select();
if ( $select ) {
foreach ( $select as $s ) {
$output .= $this->do_select( $s, $post_id );
}
}
$checkboxes = $this->get_checkboxes();
if ( $checkboxes ) {
foreach ( $checkboxes as $checkbox ) {
$output .= $this->do_checkbox( $checkbox, $post_id );
}
}
return $output;
}
/**
* Define array of checkboxes to add to post editor featured image.
* @return array
* @since 2.5.2
*/
protected function get_checkboxes() {
$checkboxes = array();
$setting = displayfeaturedimagegenesis_get_setting();
if ( ! $setting['keep_titles'] ) {
$checkboxes[] = array(
'setting' => $this->move,
'label' => __( 'Don\'t move the title to overlay the backstretch featured image on this post', 'display-featured-image-genesis' ),
);
}
return $checkboxes;
}
/**
* @return array
*/
protected function get_select() {
$options = array(
0 => __( 'Content type default', 'display-featured-image-genesis' ),
1 => __( 'Don\'t display the featured image', 'display-featured-image-genesis' ),
);
$image_sizes = apply_filters( 'displayfeaturedimagegenesis_image_size_choices', array(
'displayfeaturedimage_backstretch' => __( 'Use a backstretch image if it exists', 'display-featured-image-genesis' ),
'large' => __( 'Use a large (not backstretch) image', 'display-featured-image-genesis' ),
) );
return array(
array(
'setting' => $this->disable,
'label' => __( 'Featured Image Size:', 'display-featured-image-genesis' ),
'options' => array_merge( $options, $image_sizes ),
),
);
}
/**
* Generic function to add a post_meta checkbox
*
* @param $args array includes setting and label
*
* @param $post_id
*
* @return string checkbox label/input
* @since 2.5.2
*/
protected function do_checkbox( $args, $post_id ) {
$check = get_post_meta( $post_id, $args['setting'], true ) ? 1 : '';
$output = '';
$output .= sprintf( '';
$output .= '
';
return $output;
}
/**
* @param $args
* @param $post_id
*
* @return string
*/
protected function do_select( $args, $post_id ) {
$value = get_post_meta( $post_id, $args['setting'], true );
$output = sprintf( '%1$s
';
return $output;
}
/**
* Check whether we are on a block editor/Gutenberg screen.
*
* @return bool
*/
private function is_block_editor() {
if ( ( function_exists( 'is_gutenberg_page' ) && is_gutenberg_page() ) ) {
return true;
}
$screen = get_current_screen();
if ( method_exists( $screen, 'is_block_editor' ) && $screen->is_block_editor() ) {
return true;
}
return false;
}
/**
* Update the post meta.
*
* @param $post_id
*/
public function save_meta( $post_id ) {
// Bail if we're doing an auto save
if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
return;
}
// if our nonce isn't there, or we can't verify it, bail
if ( ! $this->user_can_save( 'displayfeaturedimagegenesis_post_save', 'displayfeaturedimagegenesis_post_nonce' ) ) {
return;
}
// if our current user can't edit this post, bail
if ( ! current_user_can( 'edit_posts' ) ) {
return;
}
$checkboxes = $this->get_checkboxes();
foreach ( $checkboxes as $checkbox ) {
if ( isset( $_POST[ $checkbox['setting'] ] ) ) {
update_post_meta( $post_id, $checkbox['setting'], 1 );
} else {
delete_post_meta( $post_id, $checkbox['setting'] );
}
}
$select = $this->get_select();
foreach ( $select as $s ) {
$value = sanitize_text_field( $_POST[ $s['setting'] ] );
$value = is_numeric( $value ) ? (int) $value : esc_attr( $value );
update_post_meta( $post_id, $s['setting'], $value );
}
}
/**
* Determines if the user has permission to save the information from the submenu
* page.
*
* @since 1.2.0
* @access protected
*
* @param string $action The name of the action specified on the submenu page
* @param string $nonce The nonce specified on the submenu page
*
* @return bool True if the user has permission to save; false, otherwise.
* @author Tom McFarlin (https://tommcfarlin.com/save-wordpress-submenu-page-options/)
*/
protected function user_can_save( $action, $nonce ) {
$is_nonce_set = isset( $_POST[ $nonce ] );
$is_valid_nonce = false;
if ( $is_nonce_set ) {
$is_valid_nonce = wp_verify_nonce( $_POST[ $nonce ], $action );
}
return ( $is_nonce_set && $is_valid_nonce );
}
}