listboxappcontainer1.cpp

《基于symbian手机开发与应用》一书的源代码

/* Copyright (c) 2006, Nokia Mobile Phones. All rights reserved */

#include <barsread.h>  
#include <gulicon.h>
#include <stringloader.h>
#include <gulicon.h>
#include <akniconarray.h>
#include <eikclbd.h>
#include <aknnotewrappers.h>
#include <badesca.h >
#include <eiktxlbm.h> 
#include <listboxapp.mbg>
#include <listboxapp.rsg>

#define KListPosition TPoint(0,0)

CListBoxAppContainer1* CListBoxAppContainer1::NewL(const TRect& aRect)
    {
    CListBoxAppContainer1* self = CListBoxAppContainer1::NewLC(aRect);
    CleanupStack::Pop(self);
    return self;
    }

CListBoxAppContainer1* CListBoxAppContainer1::NewLC(const TRect& aRect)
    {
    CListBoxAppContainer1* self = new (ELeave) CListBoxAppContainer1;
    CleanupStack::PushL(self);
    self->ConstructL(aRect);
    return self;
    }

CListBoxAppContainer1::~CListBoxAppContainer1()
    {
    delete iListBox;
    }

void CListBoxAppContainer1::ConstructL(const TRect& aRect)
    {
    CreateWindowL();
	CreateListBoxL();
	iListBox->SetListBoxObserver(this);
	SetupListIconsL();
	SetupScrollBarsL();
	SetupListItemsL();
    SetRect(aRect);
    ActivateL();
    }

CListBoxAppContainer1::CListBoxAppContainer1()
    {
    // no implementation required
    }

TInt CListBoxAppContainer1::CountComponentControls() const
    {
    return 1;
    }

void CListBoxAppContainer1::Draw(const TRect& aRect) const
    {    
    CWindowGc& gc = SystemGc();
    gc.Clear(aRect);
    }

CCoeControl* CListBoxAppContainer1::ComponentControl(TInt aIndex) const
    {
    switch ( aIndex )
        {
        case 0:
           return iListBox;
        default:
            return NULL;
        }
    }
void CListBoxAppContainer1::HandleControlEventL(CCoeControl* /*aControl*/,TCoeEvent /*aEventType*/)
{
}
void CListBoxAppContainer1::SizeChanged()
{
	 iListBox->SetExtent (KListPosition, iListBox->MinimumSize());
}
void CListBoxAppContainer1::CreateListBoxL()
{
	iListBox=new(ELeave)CAknSingleGraphicStyleListBox();
	iListBox->SetContainerWindowL(*this);
	TResourceReader reader;
	iCoeEnv->CreateResourceReaderLC(reader,R_DYNAMIC_LISTBOX);
	iListBox->ConstructFromResourceL(reader);
	CleanupStack::PopAndDestroy();
}
void CListBoxAppContainer1::SetupListItemsL()
{
	CTextListBoxModel* model=iListBox->Model();
	model->SetOwnershipType(ELbmOwnsItemArray);
	CDesCArray* ItemArray=STATIC_CAST(CDesCArray*,model->ItemTextArray());
	AddItemsToListBox(ItemArray);

}
void CListBoxAppContainer1::SetupListIconsL()
{
	HBufC* iconFileName;
	iconFileName=StringLoader::LoadLC(R_ICON_FILE_NAME);

	CArrayPtr<CGulIcon>* icons=new(ELeave) CAknIconArray(2);
	CleanupStack::PushL(icons);

	icons->AppendL(iEikonEnv->CreateIconL(*iconFileName,EMbmListboxappIcon1,EMbmListboxappIcon1_m));
	icons->AppendL(iEikonEnv->CreateIconL(*iconFileName,EMbmListboxappIcon2,EMbmListboxappIcon2_m));

	CleanupStack::Pop(icons);
	CleanupStack::PopAndDestroy(iconFileName);
	iListBox->ItemDrawer()->ColumnData()->SetIconArray(icons);
}
void CListBoxAppContainer1::SetupScrollBarsL()
{
	iListBox->CreateScrollBarFrameL(ETrue);
	iListBox->ScrollBarFrame()->SetScrollBarVisibilityL(CEikScrollBarFrame::EOff,CEikScrollBarFrame::EAuto);
}
void CListBoxAppContainer1::AddItemsToListBox(CDesCArray* aItemArray)
{
	_LIT(KItem1,"0\tMonday");
	_LIT(KItem2,"1\tTuesday");
	_LIT(KItem3,"0\tWednesday");
	TBuf<16> Item1(KItem1);
	TBuf<16> Item2(KItem2);
	TBuf<16> Item3(KItem3);

	aItemArray->AppendL(Item1);
    aItemArray->AppendL(Item2);
	aItemArray->AppendL(Item3);
}
TKeyResponse CListBoxAppContainer1::OfferKeyEventL(const TKeyEvent& aKeyEvent,TEventCode& aType)
{
	if(iListBox)
	   return iListBox->OfferKeyEventL(aKeyEvent,aType);
   else
	   return EKeyWasNotConsumed;
}
void CListBoxAppContainer1::HandleListBoxEventL(CEikListBox* /*aListBox*/,TListBoxEvent aListBoxEvent)
{
	if(aListBoxEvent==MEikListBoxObserver::EEventEnterKeyPressed)

	{
		HBufC* noteText;
		noteText=StringLoader::LoadLC(R_NOTE_TEXT);
		CAknConfirmationNote* note=new(ELeave) CAknConfirmationNote();
		note->ExecuteLD(*noteText);
		CleanupStack::PopAndDestroy(noteText);
	}
}