shapesmodel.cpp

来自「最新官方例子,图形,描述副,基本控件,通讯协议,等等,」· C++ 代码 · 共 150 行

/**
 *
 * @brief Definition of CShapesModel
 *
 * Copyright (c) EMCC Software Ltd 2003
 * @version 1.0
 */

// INCLUDE FILES

// Class includes
#include "ShapesModel.h"

// CONSTANTS

const TInt KNumElements = 5;

// ================= MEMBER FUNCTIONS =======================

/**
 * Symbian OS 2 phase constructor.
 * Constructs the CShapesModel using the NewLC method, popping
 * the constructed object from the CleanupStack before returning it.
 * 
 * @return The newly constructed CShapesModel
 */
CShapesModel* CShapesModel::NewL()
	{
	CShapesModel* self = CShapesModel::NewLC();
	CleanupStack::Pop(self);
	return self;
	}

/**
 * Symbian OS 2 phase constructor.
 * Constructs the CShapesModel using the constructor and ConstructL 
 * method, leaving the constructed object on the CleanupStack before returning it.
 * 
 * @return The newly constructed CShapesModel
 */
CShapesModel* CShapesModel::NewLC()
	{
	CShapesModel* self = new (ELeave) CShapesModel();
	CleanupStack::PushL(self);
	self->ConstructL();
	return self;
	}
		
/** 
 * Destructor.
 * Frees memory allocated to the array.
 */
CShapesModel::~CShapesModel()
	{
	iData.Close();
	}

/**
 * Standard C++ constructor
 *
 */
CShapesModel::CShapesModel()
 : iData(KNumElements)
	{
	}

/**
 * Symbian OS 2nd phase constructor.  
 * Initializes all elements.
 */ 
void CShapesModel::ConstructL()
	{
	for (TInt i = 0; i < KNumElements; i++)
		{
		iData.Append(0);
		}
	}

/**
 * Returns the number of elements
 *
 * @return The number of elements
 */
const TInt CShapesModel::NumElements() const
	{
	return iData.Count();
	}

/**
 * Returns the value of an element at index aIndex
 * Note that there is no explicit bounds checking.
 *
 * @param aIndex The index of the element to be returned
 * @return The element value
 */
const TInt CShapesModel::ElementAt(TInt aIndex)
	{
	return iData[aIndex];
	}

/**
 * Sets the value of an element at index aIndex
 * Note that there is no explicit bounds checking.
 *
 * @param aValue The value the element is to be set to
 * @param aIndex The index of the element to be set
 */
void CShapesModel::SetElement(TInt aValue, TInt aIndex)
	{
	iData[aIndex] = aValue;
	}

/**
 * Returns the maximum element value
 *
 * @return The maximum element value
 */
const TInt CShapesModel::GetMaxValue() const
	{
	TInt tempMax = 0;

	for (TInt i = 0; i < KNumElements; i++)	// Assumes that iData.Count() == KNumElements
		{
		if (tempMax < iData[i])
			{
			tempMax = iData[i];
			}
		}
	return tempMax;
	}

/**
 * Returns the sum of element values
 *
 * @return The sum of element values
 */
const TInt CShapesModel::SumOfElements() const
	{
	TInt tempSum = 0;

	for (TInt i = 0; i < KNumElements; i++)	// Assumes that iData.Count() == KNumElements
		{
		tempSum += iData[i];
		}

	return tempSum;
	}

// End of File