source: trunk/www.guidonia.net/wp/wp-admin/media.php@ 44

<?php
/**
 * Media management action handler.
 *
 * @package WordPress
 * @subpackage Administration
 */

/** Load WordPress Administration Bootstrap */
require_once('admin.php');

$parent_file = 'upload.php';
$submenu_file = 'upload.php';

wp_reset_vars(array('action'));

switch( $action ) :
case 'editattachment' :
        $attachment_id = (int) $_POST['attachment_id'];
        check_admin_referer('media-form');

        if ( !current_user_can('edit_post', $attachment_id) )
                wp_die ( __('You are not allowed to edit this attachment.') );

        $errors = media_upload_form_handler();

        if ( empty($errors) ) {
                $location = 'media.php';
                if ( $referer = wp_get_original_referer() ) {
                        if ( false !== strpos($referer, 'upload.php') || ( url_to_postid($referer) == $attachment_id )  )
                                $location = $referer;
                }
                if ( false !== strpos($location, 'upload.php') ) {
                        $location = remove_query_arg('message', $location);
                        $location = add_query_arg('posted',     $attachment_id, $location);
                } elseif ( false !== strpos($location, 'media.php') ) {
                        $location = add_query_arg('message', 'updated', $location);
                }
                wp_redirect($location);
                exit;
        }

        // no break
case 'edit' :
        $title = __('Edit Media');

        if ( empty($errors) )
                $errors = null;

        if ( empty( $_GET['attachment_id'] ) ) {
                wp_redirect('upload.php');
                exit();
        }
        $att_id = (int) $_GET['attachment_id'];

        if ( !current_user_can('edit_post', $att_id) )
                wp_die ( __('You are not allowed to edit this attachment.') );

        $att = get_post($att_id);

        add_filter('attachment_fields_to_edit', 'media_single_attachment_fields_to_edit', 10, 2);

        wp_enqueue_script( 'wp-ajax-response' );

        require( 'admin-header.php' );

        $parent_file = 'upload.php';
        $message = '';
        $class = '';
        if ( isset($_GET['message']) ) {
                switch ( $_GET['message'] ) :
                case 'updated' :
                        $message = __('Media attachment updated.');
                        $class = 'updated fade';
                        break;
                endswitch;
        }
        if ( $message )
                echo "<div id='message' class='$class'><p>$message</p></div>\n";

?>

<div class="wrap">
<?php screen_icon(); ?>
<h2><?php _e( 'Edit Media' ); ?></h2>

<form method="post" action="<?php echo esc_url( remove_query_arg( 'message' ) ); ?>" class="media-upload-form" id="media-single-form">
<div class="media-single">
<div id='media-item-<?php echo $att_id; ?>' class='media-item'>
<?php echo get_media_item( $att_id, array( 'toggle' => false, 'send' => false, 'delete' => false, 'show_title' => false, 'errors' => $errors ) ); ?>
</div>
</div>

<p class="submit">
<input type="submit" class="button-primary" name="save" value="<?php esc_attr_e('Update Media'); ?>" />
<input type="hidden" name="post_id" id="post_id" value="<?php echo isset($post_id) ? esc_attr($post_id) : ''; ?>" />
<input type="hidden" name="attachment_id" id="attachment_id" value="<?php echo esc_attr($att_id); ?>" />
<input type="hidden" name="action" value="editattachment" />
<?php wp_original_referer_field(true, 'previous'); ?>
<?php wp_nonce_field('media-form'); ?>
</p>
</form>

</div>

<?php

        require( 'admin-footer.php' );

        exit;

default:
        wp_redirect( 'upload.php' );
        exit;

endswitch;


?>