dataquerycontainer.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 107 行

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

// INCLUDE FILES

// Class include
#include "DataQueryContainer.h"

// System includes
#include <aknquerydialog.h> // CAknQueryDialog
#include <dataquery.rsg> // resources
#include <stringloader.h> // StringLoader

// User includes
#include "dataquery.hrh" // constants

// CONSTANTS

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

/**
* Symbian OS 2nd phase constructor.  Creates a Window for the controls, which it contains.
* Constructs a label and adds it to the window, which it then activates.
* @param aRect The rectangle for this window
*/		
void CDataQueryContainer::ConstructL(const TRect& aRect)
	{
	CreateWindowL();
	SetRect(aRect);
	ActivateL();
	}

/**
* Symbian OS 2 phase constructor.
* Constructs the CDataQueryContainer using the NewLC method, popping
* the constructed object from the CleanupStack before returning it.
* 
* @param aRect The rectangle for this window
* @return The newly constructed CDataQueryContainer
*/
CDataQueryContainer* CDataQueryContainer::NewL(const TRect& aRect)
	{
	CDataQueryContainer* self = CDataQueryContainer::NewLC(aRect);
	CleanupStack::Pop(self);
	return self;
	}

/**
* Symbian OS 2 phase constructor.
* Constructs the CDataQueryContainer using the constructor and ConstructL 
* method, leaving the constructed object on the CleanupStack before returning it.
* 
* @param aRect The rectangle for this window
* @return The newly constructed CDataQueryContainer
*/
CDataQueryContainer* CDataQueryContainer::NewLC(const TRect& aRect)
	{
	CDataQueryContainer* self = new (ELeave) CDataQueryContainer;
	CleanupStack::PushL(self);
	self->ConstructL(aRect);
	return self;
	}
/**
* Called by the framework to draw this control.  Clears the area in 
* aRect.
* @param aRect in which to draw
*/
void CDataQueryContainer::Draw(const TRect& aRect) const
	{
	CWindowGc& gc = SystemGc();
	gc.Clear(aRect);
	}

/**
* Called by the AppUi when Exit is selected from the Options menu.
* Queries whether to save the game. If yes, then queries the name for the 
* saved game and saves the game to file.
*/
void CDataQueryContainer::SaveGameL() const
	{
	CAknQueryDialog* saveGameQuery = CAknQueryDialog::NewL();	
	if (saveGameQuery->ExecuteLD(R_DATAQUERY_CONFIRMATION_QUERY))
		{
		TBuf<KMaxGameNameLength> gameName;
		CAknTextQueryDialog* gameNameQuery = CAknTextQueryDialog::NewL(gameName);
		CleanupStack::PushL(gameNameQuery);
		HBufC* prompt;
		prompt = StringLoader::LoadLC(R_DATA_QUERY_PROMPT);	// Pushes prompt onto the Cleanup Stack.
		gameNameQuery->SetPromptL(*prompt);
		CleanupStack::PopAndDestroy(prompt);
		CleanupStack::Pop(gameNameQuery);
		if (gameNameQuery->ExecuteLD(R_DATAQUERY_DATA_QUERY))
			{
			SaveGameToFileL(gameName);
			}		
		}
	}



//End of File