//
//  MyDocument.h
//  LeanCalc
//
//  Created by Marc Liyanage on 31.01.05.
//  Copyright __MyCompanyName__ 2005 . All rights reserved.
//


#import <Cocoa/Cocoa.h>
#import "Calculation.h"
#import "AppDelegate.h"

@interface MyDocument : NSDocument
{
	NSTextField *expressionField;
	NSMutableArray *calculations;
	NSArrayController *arrayController;
	NSWindow *window;
}

- (IBAction)commit:(id)sender;
- (void)addItem;
- (BOOL)lastItemIsSelected;
- (void)insertPrevious:(NSNumber *)sender;

@end