//

 //  UniqueWindowController.m

 //  Cloudy

 //

 //  Created by Jens Alfke on 3/14/08.

 //  Copyright 2008 __MyCompanyName__. All rights reserved.

 //

 #import "UniqueWindowController.h"

 @implementation UniqueWindowController

 + (UniqueWindowController*) instanceWith: (id)model

 {

     for( NSWindow *window in [NSApp windows] ) {

         id delegate = window.delegate;

         if( window.isVisible && [delegate isKindOfClass: [self class]] ) {

             UniqueWindowController *c = delegate;

             if( c.model == model )

                 return c;

         }

     }

     return nil;

 }

 + (UniqueWindowController*) openWith: (id)model

 {

     UniqueWindowController *w = [self instanceWith: model];

     if( ! w ) {

         w = [[self alloc] initWith: model];

         [w showWindow: self];

     }

     [w.window makeKeyAndOrderFront: self];

     return w;

 }

 - (void) windowWillClose: (NSNotification*)n

 {

     [self autorelease];

 }

 @end