--- a/extras/calcsoft/inc/CalcDoc.h Thu Aug 19 09:56:23 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,233 +0,0 @@
-/*
-* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).
-* All rights reserved.
-* This component and the accompanying materials are made available
-* under the terms of "Eclipse Public License v1.0""
-* which accompanies this distribution, and is available
-* at the URL "http://www.eclipse.org/legal/epl-v10.html".
-*
-* Initial Contributors:
-* Nokia Corporation - initial contribution.
-*
-* Contributors:
-*
-* Description: Document class, CCalcDocument
-* Derived from CEikDocument
-* The history of inputted data is held.
-* The memory of four-arithmetical-operations operation
-* or a calculation result is held.
-* The last result and memory are saved at a file and
-* it restores.
-*
-*/
-
-
-#ifndef CALCDOC_H
-#define CALCDOC_H
-
-
-// INCLUDES
-#include <eikdoc.h>
-
-#include "CalcEditline.h"
-
-#include "CalcView.h"
-// CONSTANTS
-const TInt KCalcErrEditorSpaceFull(-10000);
-
-// FORWARD DECLARATIONS
-
-class CEikAppUi;
-class CCalcHistory;
-class CCalcAppEnv;
-
-// CLASS DEFINITIONS
-
-/**
-CCalcDocument : 'Document' class
-*/
-class CCalcDocument
- :public CEikDocument
- {
- public: // Constructors and destructor
- /**
- * Two-phased constructor.
- * @param aApp : Reference of CEikApplication class
- */
- static CCalcDocument* NewL(CEikApplication& aApp);
-
- /**
- * Destructor.
- */
- virtual ~CCalcDocument();
-
-
- public: // New functions
- /**
- * Set the pointer to CalcAppEnv.
- */
- void SetAppEnv(CCalcAppEnv* aCalcAppEnv);
-
- /**
- * Set the pointer to CalcAppEnv.
- */
- void SetCalcView( CCalcView* aCCalcView );
-
- /**
- * Make calculation, and add result to calcluation history.
- * Leave may occur, causes KErrOverflow or KErrDivideByZero or KErrNotSupported (negative value with square root).
- * @param aOperand : operand.
- * @param aLine : inputted edit line
- * @return TReal64: Provisional result.
- */
- TReal64 CalculateAndAddHistoryL(
- TReal64 aOperand,
- const TCalcEditLine& aLine);
-
- /**
- * Make calculation, nothing is added to the calculation history.
- * Leave may occur, causes KErrOverflow or KErrDivideByZero or KErrNotSupported (negative value with square root).
- * @param aOperand : operand.
- * @param aLine : inputted edit line
- * @return TReal64: Provisional result.
- */
- TReal64 CalculateAndNoHistoryL(
- TReal64 aOperand,
- const TCalcEditLine& aLine);
-
- /**
- * Make calculation, and modify the operator
- * before adding anything to the calculation history.
- * Leave may occur, causes KErrOverflow or KErrDivideByZero or KErrNotSupported (negative value with square root).
- * @param aOperand : operand.
- * @param aLine : inputted edit line
- * @return TReal64: Provisional result.
- */
- TReal64 CalculateAndModifyHistoryL(
- TReal64 aOperand,
- TCalcEditLine& aLine,
- TCalcEditLine::TCalcOperatorType aOperator);
-
- /**
- * Add a line which is "= (provisional result)" to calculation history.
- * And Last Result is updated to provisional result
- */
- void AddEqualLineAndUpdateLastResultL();
-
- /**
- * Empty line is added to calculation history.
- */
- void AddEmptyLine();
-
- /**
- * Memory is saved.
- * @param aNewMemory : New memory, current operand.
- */
- void MemorySaveL(TReal64 aNewMemory);
-
- /**
- * Memory is saved.
- * @param aLine : Current value of editor
- */
- TBool HasMemory() const;
-
- /**
- * Return current memory.
- * @return TReal64 : current memory.
- */
- TReal64 Memory() const;
-
- /**
- * Clear memory.
- */
- void MemoryClearL();
-
- /**
- * Return last result
- * @param TReal64 : Last result.
- */
- TReal64 LastResult() const;
-
- /**
- * Return provisional result
- * @param aLine : For getting provisional result.
- */
- TReal64 ProvisionalResult() const;
-
- /**
- * Return pointer of CCalcHistory class.
- * @return Pointer of CCalcHistory class
- */
- CCalcHistory* History() const;
-
- /**
- * Restore memory and last result
- */
- void LoadStateL();
-
- /**
- * Store memory and last result
- */
- void SaveStateL();
-
- private: // New functions
- /**
- * By default constructor is private.
- * @param aApp: Reference of CEikApplication class
- */
- CCalcDocument(CEikApplication& aApp);
-
- /**
- * Second-phase constructor
- */
- void ConstructL();
-
- /**
- * Make calculation by using argument aLine
- * Leave may occur, causes KErrOverflow or KErrDivideByZero.
- * @param aOperand : operand
- * @param aOperator : Operator type enum.
- * @return Result of calculation
- */
- TReal64 CalculateL(TReal64 aOperand,
- TCalcEditLine::TCalcOperatorType aOperator);
-
- /**
- * Check overflow and underflow
- * Leave may occur, causes KErrOverflow
- * @param aResult : result of calculation
- */
- void CheckResultL(TReal64* aResult);
-
- /**
- * Write last result and memory to document file.
- * @param aStream : Interface of write steam
- */
- void ExternalizeL(RWriteStream& aStream) const;
-
- /**
- * Read last result and memory from document file.
- * @param aStream : Interface of read steam
- */
- void InternalizeL(RReadStream& aStream);
-
-
- private: // Functions from base classes
- /**
- * From CEikDocument : Create CCalcAppUi object
- */
- CEikAppUi* CreateAppUiL();
-
- private: // Data
- CCalcAppEnv* iCalcAppEnv; // Not own
- TReal64 iProvisionalResult; // Provisional result
- TReal64 iMemory; // Memory
- TReal64 iLastResult; // Last result
- CCalcHistory* iHistory; // History
- CCalcView* iCCalcView; // Not own
- };
-
-#endif // CALCDOC_H
-
-// End of File
-