gridview.cpp

symbian中讲述的一个有关grid的简单例子

/*
* ============================================================================
*  Name     : CGridView from CAknView
*  Part of  : MyHello
*  Copyright (c) 2003 Nokia. All rights reserved.
* ============================================================================
*/

// INCLUDE FILES
#include <aknnotewrappers.h> //for CAknInformationNote
#include <aknviewappui.h>
#include <avkon.hrh>

#include <MyHello.rsg>

#include "MyHello.hrh"
#include "GridView.h"
#include "GridContainer.h" 
#include "MyHelloAppUi.h"

#include <myhello.mbg>	//for mbm
#include <akncontext.h>	//for CAknContextPane
#include <akntitle.h>	//for CAknTitlePane
#include "MyHelloAppUi.h"	//for CMyHelloAppUi

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

// C++ default constructor can NOT contain any code, that
// might leave.
//
CGridView* CGridView::NewL()
{
    CGridView* self = NewLC();
    CleanupStack::Pop(self);
    return self;
}

CGridView* CGridView::NewLC()
{
    CGridView* self = new (ELeave) CGridView;
    CleanupStack::PushL(self);
    self->ConstructL();
    return self;
}

CGridView::CGridView()
{
}

// EPOC default constructor can leave.
void CGridView::ConstructL()
{
	BaseConstructL(R_GRID_VIEW);
}

// Destructor
CGridView::~CGridView()
{
}

// ---------------------------------------------------------
// TUid CGridView::Id()
// Returns Id of the view.
// ---------------------------------------------------------
TUid CGridView::Id() const
{
    return KViewId4;
}


// ---------------------------------------------------------
// CGridView::HandleCommandL(TInt aCommand)
// Handles commands
// ---------------------------------------------------------
void CGridView::HandleCommandL(TInt aCommand)
{   
	switch(aCommand)
	{
	case EMyHelloCmdSelect:
		{
			//	AppUi()->ActivateLocalViewL(KViewId2);
			_LIT(message,"Select !");
			CAknInformationNote* informationNote = new (ELeave) CAknInformationNote;
			informationNote->ExecuteLD(message);
 
			break;
		}
		
	default:
		{
			AppUi()->HandleCommandL(aCommand);
			break;
		}
	}
}
// ---------------------------------------------------------
// CGridView::HandleClientRectChange()
// Handles client rect change.
// ---------------------------------------------------------
void CGridView::HandleClientRectChange()
{
    if (iContainer)
	{
        iContainer->SetRect(ClientRect());
	}
}

// ---------------------------------------------------------
// CGridView::DoActivateL(...)
// Creates the Container class object.
// ---------------------------------------------------------
void CGridView::DoActivateL(const TVwsViewId& /*aPrevViewId*/,
							TUid /*aCustomMessageId*/,
							const TDesC8& /*aCustomMessage*/)
{
    iContainer = new (ELeave) CGridContainer;
    iContainer->SetMopParent(this);
	
	TRect rc;
	rc.SetRect(ClientRect().iTl, TSize(176, 144));
    iContainer->ConstructL(rc);
    AppUi()->AddToStackL(*this, iContainer);
	
	TBuf<KMaxPath> pathMbm;
#ifdef __WINS__
	pathMbm.Copy(_L("z:\\system\\apps\\myhello\\myhello.mbm"));
#else
	CMyHelloAppUi* pApp = (CMyHelloAppUi*)CEikonEnv::Static()->AppUi();
	pApp->GetAppPath(pathMbm);
	pathMbm.Append(_L("myhello.mbm"));
#endif
	
	CEikStatusPane* statusPane = StatusPane();
	
	//set icon
	CAknContextPane* contextPane = (CAknContextPane*) statusPane->ControlL(TUid::Uid(EEikStatusPaneUidContext));
	CFbsBitmap* bitmap = iEikonEnv->CreateBitmapL(pathMbm, EMbmMyhelloSnoopy_1_icon);
	CFbsBitmap* bitmapMask = iEikonEnv->CreateBitmapL(pathMbm, EMbmMyhelloSnoopy_1_mask);
	
	//contextPane->SetPicture(bitmap);
	contextPane->SetPicture(bitmap, bitmapMask);
	
	//load chinese words
	TBuf<32> sTmpTitle;
	CEikonEnv::Static()->ReadResource(sTmpTitle, R_QTN_MH_HELLO_TITLE);
	//set title
	CAknTitlePane* titlePane = (CAknTitlePane*) statusPane->ControlL(TUid::Uid(EEikStatusPaneUidTitle));
	titlePane->SetTextL(sTmpTitle);
}

// ---------------------------------------------------------
// CGridView::DoDeactivate()
// Deletes the Container class object.
// ---------------------------------------------------------
void CGridView::DoDeactivate()
{
    if (iContainer)
	{
        AppUi()->RemoveFromStack(iContainer);
		
		delete iContainer;
		iContainer = NULL;
	}
}

// End of File