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MetaBox.php
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MetaBox.php
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<?php
namespace WPMedia\TemplateLoader;
use WP_Post;
class MetaBox {
/**
* The directory for custom templates.
*
* @var string template_dir
*/
private $template_dir;
/**
* MetaBox constructor.
*
* @param string $template_dir The directory for custom templates.
*/
public function __construct( $template_dir ) {
$this->template_dir = $template_dir;
}
/**
* Add the Template Loader Metabox to the QA Templates page.
*
* @since 1.0
*
* @return void
*/
public function add_metabox() {
$files = list_files( $this->template_dir, 1 );
$filenames = [];
foreach ( $files as $file ) {
$filenames[] = substr( $file, strrpos( $file, DIRECTORY_SEPARATOR ) + 1 );
}
if ( empty( $filenames ) ) {
return;
}
sort( $filenames );
add_meta_box(
'wp-media-qa-template-chooser',
__( 'Choose Test Template' ),
[ $this, 'render_template_chooser' ],
'page',
'side',
'high',
$filenames
);
}
/**
* Render the template chooser metabox.
*
* @since 1.0
*
* @param array $box_array The metabox arguments.
* @param WP_Post $post The current post object.
*
* @return void
*/
public function render_template_chooser( $post, $box_array ) {
wp_nonce_field( 'wp-media-set-qa-template', 'wp-media-set-qa-template' );
$filenames = $box_array['args'];
$selected = get_post_meta( $post->ID, 'w_test_template', true );
if ( ! $selected ) {
$selected = '';
}
echo '<label for="wp_media_qa_template_select">Choose a template:</label>';
echo '<select name="wp_media_qa_template_select" id="wp-media-qa-template-select"
class="components-select-control__input" style="max-width:218px">';
echo '<option value="" ' . selected( $selected, '' ) . '>' . __( 'Theme default page.') . '</option>';
foreach ( $filenames as $filename ) {
echo '<option value="' . $filename . '" ';
echo '>' . $filename . '</option>';
}
echo '</select>';
}
/**
* Save template selection.
*
* @since 1.0
*
* @param int $post_id The current post ID.
*
* @return void
*/
public function save_template_selection( $post_id ) {
if ( ! $this->ok_to_save( $post_id ) ) {
return;
}
$template = isset( $_POST['wp_media_qa_template_select'] )
? sanitize_text_field( $_POST['wp_media_qa_template_select'] )
: '';
update_post_meta( $post_id, '_test_template', $template );
}
/**
* Is Ok to save data.
*
* @param int $post_id The current post ID.
*
* @return bool
*/
private function ok_to_save( $post_id ) {
if ( ! isset( $_POST['wp-media-set-qa-template'] ) ||
! wp_verify_nonce( $_POST['wp-media-set-qa-template'], 'wp-media-set-qa-template' ) ) {
return false;
}
if ( ! current_user_can( "edit_post", $post_id ) ) {
return false;
}
if ( defined( "DOING_AUTOSAVE" ) && DOING_AUTOSAVE ) {
return false;
}
return true;
}
}