T5 Attachment Extras

t5-attachment-extras.php

<?php # -*- coding: utf-8 -*-
/**
 * Plugin Name: T5 Attachment Extras
 * Description: Adds attachment ID and link to parent post to the attachment screen.
 * Plugin URI:  http://toscho.de/?p=2260
 * Version:     2012.09.06
 * Author:      Thomas Scholz <[email protected]>
 * Author URI:  http://toscho.de
 * License:     MIT
 * License URI: http://www.opensource.org/licenses/mit-license.php
 */

if ( ! function_exists( 't5_attachment_extras' ) )
{
	add_filter( 'attachment_fields_to_edit', 't5_attachment_extras', 10, 2 );

	function t5_attachment_extras( $form_fields, $post )
	{
		$form_fields['t5_id'] = array (
			'label' => 'ID',
			'input' => 'html',
			'html'  => sprintf(
				'<a href="%1$s" title="View">%2$d</a>',
				get_permalink( $post->ID ), // Link to attachment page
				$post->ID
				)
		);

		if ( empty ( $post->post_parent ) or 0 === $post->post_parent )
		{
			return $form_fields;
		}

		$parent       = get_post( $post->post_parent );
		$parent_title = '' === $parent->post_title
						? $parent->ID
						: esc_html( $parent->post_title );
		$parent_html  = sprintf(
			'<a href="%1$s" title="View">%2$s</a> •
			<a href="%3$s" title="Edit">ID: %4$d</a>',
			get_permalink( $parent->ID ),
			( '' === $parent->post_title
				? $parent->ID
				: esc_html( $parent->post_title ) ),
			get_edit_post_link( $parent->ID ),
			$parent->ID
		);

		$form_fields['t5_parent'] = array (
			'label'      => 'Parent:',
			'input'      => 'html',
			'html'       => $parent_html,
		);

		return $form_fields;
	}
}