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(iPad only) Added a simple calculator
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Ole Zorn committed May 9, 2010
1 parent 21cceed commit af76f5f
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Showing 18 changed files with 672 additions and 3 deletions.
64 changes: 64 additions & 0 deletions AppSalesMobile.xcodeproj/project.pbxproj
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51 changes: 51 additions & 0 deletions Classes/CalculatorView.h
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//
// CalculatorView.h
// AppSales
//
// Created by Ole Zorn on 09.04.10.
// Copyright 2010 omz:software. All rights reserved.
//

#import <UIKit/UIKit.h>
#import <AudioToolbox/AudioToolbox.h>
#import "MovableView.h"

typedef enum TokenType {
TokenTypeOperator,
TokenTypeOperand
} TokenType;

typedef enum ButtonType {
ButtonTypeUnknown,
ButtonTypeDigit,
ButtonTypeSeparator,
ButtonTypeSign,
ButtonTypeOperator,
ButtonTypeEquals,
ButtonTypeClear
} ButtonType;

@class CalculatorMO;

@interface CalculatorView : MovableView {

SystemSoundID clickSoundID;
UILabel *displayLabel;

NSMutableArray *stack;
BOOL displaysResult;
}

- (void)buttonDown:(id)sender;
- (void)buttonPressed:(id)sender;
- (void)enterCalculatorButton:(NSString *)title;
- (void)setDisplay:(NSString *)newDisplay;
- (int)numberOfOperatorsOnStack;
- (int)firstOperatorPrecedence;
- (int)precedenceForOperator:(NSString *)op;
- (void)evaluateStack;
- (TokenType)tokenTypeFor:(NSString *)tokenString;
- (ButtonType)buttonTypeFor:(NSString *)buttonTitle;


@end

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