Media Library Menu Check

gistfile1.aw

<?php
//http://shibashake.com/wordpress-theme/expand-the-wordpress-media-library-admin-panel

add_action('admin_init', 'init_media_plus');
 
function init_media_plus() {
	// Only activate plugin for the Media Library page
	if (strpos($_SERVER["REQUEST_URI"], "upload.php") === FALSE)
		return;
 
	add_action('restrict_manage_posts', 'media_library_menu');
	add_action('admin_head', 'media_plus_header', 51);
	add_filter('wp_redirect', 'media_plus_redirect', 10, 2);
}

function media_library_menu() {
 	global $wpdb;
 
    ?>
 	<div class="wrap">   
		<?php screen_icon(); ?>
		<h2>Media Library Plus</h2>
 
        <form id="media-plus-form" action="" method="get">
            <select name="action" class="select-action">
            <option value="-1" selected="selected"><?php _e('Bulk Actions'); ?></option>
            <option value="delete"><?php _e('Delete'); ?></option>
            <option value="attach"><?php _e('Attach to a post'); ?></option>
            <option value="remove"><?php _e('Detach from a post'); ?></option>
 
            </select>
 
            <input type="submit" value="<?php esc_attr_e('Apply'); ?>" name="doaction" id="doaction" class="button-secondary action" onClick="getSelectedMedia('posts-filter');" />
            <?php wp_nonce_field('bulk-media'); ?>
            <?php find_posts_div(); ?>
        </form>
    </div> <!-- End div wrap -->
    <?php	
}


//add the selected media objects into our new Media Library form by using Javascript
function media_plus_header() {
?>
<script type="text/javascript">
<!--
// get_selected_media(document.posts-filter.list)
 
function addNewArg(name, value) {
	var newArg = document.createElement("input");
	newArg.type = "hidden";
	newArg.name = name;
	newArg.value = value;
	newArg.id = name;
	return newArg;
}
 
function getSelectedMedia() {
	var mediaPlusForm=document.getElementById('media-plus-form' );
	var args = document.getElementById('posts-filter').elements;
 
	for (i = 0; i < args.length; i++) {
		if (args[i].name == "media[]" && args[i].checked) {
			mediaPlusForm.appendChild(addNewArg("media[]", args[i].value));
		}
	}
 
	// Redirect to previous page by adding previous mime_type and detached state
	var hasType = location.href.indexOf('post_mime_type');
	if (hasType >= 0) {
		var sPos = location.href.indexOf('=', mimeType);
		var ePos = location.href.indexOf('&', sPos);
 
		if (ePos >= 0) {
			var mimeStr = location.href.substring(sPos+1, ePos);
		} else {
			var mimeStr = location.href.substring(sPos+1);
		}
 
		mediaPlusForm.appendChild(addNewArg('post_mime_type', mimeStr));
	}
 
	if (location.href.indexOf('detached') >= 0) {
			mediaPlusForm.appendChild(addNewArg('detached', '1'));
	}
}
//-->
</script>
<?php
}
// Change redirect set in upload.php
function media_plus_redirect($location, $status) {
	if ( isset($_GET['found_post_id']) && isset($_GET['media']) ) {
		if (!isset($_GET['detached']))
			$location = remove_query_arg('detached', $location);
	}
	return $location;

//the current WordPress Media Library does not allow for the removal of attachments //from media objects. To enable this new option, we add a new function 
function detach_media_action() {
	// $_GET['doaction'] should be 'Apply'
	global $wpdb;
 
	if ( !strcmp($_GET['action'], 'remove') && isset($_GET['media']) ) {
		check_admin_referer('bulk-media');
 
		$attach = array();
		foreach( (array) $_GET['media'] as $att_id ) {
			$att_id = (int) $att_id;
 
			if ( !current_user_can('edit_post', $att_id) )
				continue;
 
			$attach[] = $att_id;
		}
 
		if ( ! empty($attach) ) {
			$attach = implode(',', $attach);
			$attached = $wpdb->query( $wpdb->prepare("UPDATE $wpdb->posts SET post_parent = %d WHERE post_type = 'attachment' AND ID IN ($attach)", '') );
		}
 
		if ( isset($attached) ) {
			$location = 'upload.php';
			if ( $referer = wp_get_referer() ) {
				if ( false !== strpos($referer, 'upload.php') )
					$location = $referer;
			}
 
			$location = add_query_arg( array( 'attached' => $attached ) , $location );
			// redirect after header here can't use wp_redirect($location);
			?>
			  <script type="text/javascript">
              <!--
              window.location= <?php echo "'" . $location . "'"; ?>;
              //-->
              </script>
			<?php
			exit;
		}
 
	}
}

?>