txtlistboxcontainer.cpp

symbian系统上的记事本程序

/*
* ============================================================================
*  Name     : CTxtListboxContainer from CCoeControl, MCoeControlObserver
*  Part of  : Hello
*  Copyright (c) 2003 Nokia. All rights reserved.
* ============================================================================
*/

// INCLUDE FILES


#include <EveryDay.rsg>
#include "EveryDay.hrh"
#include "TxtListboxContainer.h"
#include "EveryDayDocument.h"
#include "aknlists.h"
#include "Message.h"
#include "File.h"
// ================= MEMBER FUNCTIONS =======================

// C++ default constructor can NOT contain any code, that
// might leave.
//
CTxtListboxContainer::CTxtListboxContainer()
{
	m_pListBox = NULL;
	m_pListBoxArray = NULL;
}

// EPOC default constructor can leave.
void CTxtListboxContainer::ConstructL(const TRect& aRect)
{
    CreateWindowL();
	//ListBox
	m_pListBox = new(ELeave)CAknSingleNumberStyleListBox();
	CleanupStack::PushL(m_pListBox);
	m_pListBox->ConstructL(this,EAknListBoxMarkableList | EAknListBoxMultiselectionList);
	m_pListBox->SetContainerWindowL(*this);
	m_pListBox->SetRect(aRect);
	m_pListBox->CreateScrollBarFrameL(ETrue);
	m_pListBox->ScrollBarFrame()->SetScrollBarVisibilityL(CEikScrollBarFrame::EOff, CEikScrollBarFrame::EAuto);
	
	//construct listbox item array
	m_pListBoxArray = new(ELeave)CDesCArrayFlat(10);
	CleanupStack::PushL(m_pListBoxArray);
	
	CTextListBoxModel* model = m_pListBox->Model();
	//set items and ownership
	model->SetItemTextArray(m_pListBoxArray);
	model->SetOwnershipType(ELbmDoesNotOwnItemArray);
	CleanupStack::Pop(2);	// !!! (2);
	
	m_pListBox->ActivateL();
	m_pListBox->SetFocus( ETrue );
	//End Single ListBox
	
	
    SetRect(aRect);
    ActivateL();
}

// Destructor
CTxtListboxContainer::~CTxtListboxContainer()
{
	MEM_FREE(m_pListBox);
	MEM_FREE(m_pListBoxArray);
}

// ---------------------------------------------------------
// CTxtListboxContainer::FocusTo(TInt aCommand)
// Change foccused control.
// (other items were commented in a header).
// ---------------------------------------------------------
//

void CTxtListboxContainer::FocusTo(TInt aCommand)
{
}

// ---------------------------------------------------------
// CTxtListboxContainer::SizeChanged()
// Called by framework when the view size is changed
// (other items were commented in a header).
// ---------------------------------------------------------
//
void CTxtListboxContainer::SizeChanged()
{
	if(m_pListBox)
	{
		m_pListBox->SetRect(Rect());
	}
}

// ---------------------------------------------------------
// CTxtListboxContainer::CountComponentControls() const
// (other items were commented in a header).
// ---------------------------------------------------------
//
TInt CTxtListboxContainer::CountComponentControls() const
{
	return 1; // return nbr of controls inside this container
}

// ---------------------------------------------------------
// CTxtListboxContainer::ComponentControl(TInt aIndex) const
// (other items were commented in a header).
// ---------------------------------------------------------
//
CCoeControl* CTxtListboxContainer::ComponentControl(TInt aIndex) const
{
	return m_pListBox;
}

// ---------------------------------------------------------
// CTxtListboxContainer::Draw(const TRect& aRect) const
// (other items were commented in a header).
// ---------------------------------------------------------
//
void CTxtListboxContainer::Draw(const TRect& aRect) const
{
    CWindowGc& gc = SystemGc();
    gc.SetPenStyle(CGraphicsContext::ENullPen);
    gc.SetBrushColor(KRgbWhite);
    gc.SetBrushStyle(CGraphicsContext::ESolidBrush);
    gc.DrawRect(aRect);
}

// ---------------------------------------------------------
// CTxtListboxContainer::OfferKeyEventL(...)
// Notify key events to editors.
// (other items were commented in a header).
// ---------------------------------------------------------
//
TKeyResponse CTxtListboxContainer::OfferKeyEventL(
												  const TKeyEvent& aKeyEvent, TEventCode aType)
{
	return m_pListBox->OfferKeyEventL(aKeyEvent, aType);
}


// ---------------------------------------------------------
// CTxtListboxContainer::HandleControlEventL(
//     CCoeControl* aControl,TCoeEvent aEventType)
// (other items were commented in a header).
// ---------------------------------------------------------
//
void CTxtListboxContainer::HandleControlEventL(
											   CCoeControl* /*aControl*/,TCoeEvent /*aEventType*/)
{
}

//append items to the listbox
void CTxtListboxContainer::AddInfoToList(TInt aIndex, const TDesC& aText)
{
	TBuf<64>sBuf;
	sBuf.AppendNum(aIndex);
	sBuf.Append(_L("\t"));
	sBuf.Append(aText);
	
	m_pListBoxArray->AppendL(sBuf);
	
	//update listbox
	m_pListBox->HandleItemAdditionL();
}

void CTxtListboxContainer::SubInfoToList(TInt aIndex, CArrayFixFlat<CMessage> & file)
{
	if(aIndex>=0)
	{
		CTextListBoxModel* model = m_pListBox->Model();
		if(model->NumberOfItems()>0)
		{
			CDesCArray* itemArray = STATIC_CAST( CDesCArray*, model->ItemTextArray() );
			TInt currentItem = m_pListBox->CurrentItemIndex();
			
			itemArray->Delete(currentItem);
			
			// 			for(TInt i=currentItem; i<(file.Count()-1);i++)
			// 			{
			// 				file.At(i).iFileTitle.Copy(file.At(i+1).iFileTitle);
			// 				file.At(i).iFileTitle.Copy(file.At(i+1).iFileContent);
			// 			}
			file.Delete(currentItem);
			
			AknListBoxUtils::HandleItemRemovalAndPositionHighlightL(m_pListBox,currentItem,ETrue);
		}
	}
	//update listbox
	m_pListBox->HandleItemAdditionL();
}

void CTxtListboxContainer::GetListNum(TInt & anum)
{
	anum = m_pListBox->CurrentItemIndex();
}

// End of File