customgridcontainer.cpp

《基于Symbian OS的手机开发与应用实践》这本书的配套源码。

/*
* ============================================================================
*  Name     : CCustomGridContainer from CustomGridContainer.h
*  Part of  : CustomGrid
*  Created  : 23.03.2006 by ToBeReplacedByAuthor
*  Implementation notes:
*     Initial content was generated by Series 60 Application Wizard.
*  Version  :
*  Copyright: ToBeReplacedByCopyright
* ============================================================================
*/

// INCLUDE FILES
#include <eikapp.h>             // for CEikApplication
#include <akniconarray.h>       // for CAknIconArray
#include <CustomGrid.mbg>

#include "CustomGridContainer.h"
#include "MyGrid.h"

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

// ---------------------------------------------------------
// CCustomGridContainer::ConstructL(const TRect& aRect)
// EPOC two phased constructor
// ---------------------------------------------------------
//
void CCustomGridContainer::ConstructL(const TRect& aRect)
    {
    CreateWindowL();

    // Create the grid
    iGrid = new(ELeave) CMyGrid;
    iGrid->SetContainerWindowL(*this);
    iGrid->ConstructL(this, EAknListBoxMarkableGrid);
    iGrid->SetListBoxObserver(this);

    // Add items
    CTextListBoxModel* model = iGrid->Model();
    CDesCArray* array = static_cast<CDesCArray*>(model->ItemTextArray());
    _LIT(KItemFormat, "%d\tItem%d\t1");
    TBuf<32> item;
    TInt i=0;
    for(i=3; i<12; i++)
        {
        item.Format(KItemFormat(), i, i-2);
        array->AppendL(item);
        }

    // Create an array of icons, reading them from the file
    CEikonEnv* eikonEnv = CEikonEnv::Static();
    TFileName mbmFile = eikonEnv->EikAppUi()->Application()->BitmapStoreName();
    CArrayPtr<CGulIcon>* icons = new(ELeave) CAknIconArray(3);
    CleanupStack::PushL(icons);
    icons->AppendL(eikonEnv->CreateIconL(mbmFile, EMbmCustomgridCheck, EMbmCustomgridCheckmask));
    icons->AppendL(eikonEnv->CreateIconL(mbmFile, EMbmCustomgridUncheck, EMbmCustomgridUncheckmask));
    icons->AppendL(eikonEnv->CreateIconL(mbmFile, EMbmCustomgridDefault, EMbmCustomgridDefaultmask));
    for(i=EMbmCustomgridIcon1; i<=EMbmCustomgridIconmask9; i++)
        {
        icons->AppendL(eikonEnv->CreateIconL(mbmFile, i, i++));
        }
    CleanupStack::Pop(icons);
    // Transfer ownership
    iGrid->ItemDrawer()->FormattedCellData()->SetIconArray(icons);

    SetRect(aRect);
    ActivateL();
    }

// Destructor
CCustomGridContainer::~CCustomGridContainer()
    {
    delete iGrid;
    }

// ---------------------------------------------------------
// CCustomGridContainer::SizeChanged()
// Called by framework when the view size is changed
// ---------------------------------------------------------
//
void CCustomGridContainer::SizeChanged()
    {
    // TODO: Add here control resize code etc.
    iGrid->SetRect(Rect());
    }

// ---------------------------------------------------------
// CCustomGridContainer::CountComponentControls() const
// ---------------------------------------------------------
//
TInt CCustomGridContainer::CountComponentControls() const
    {
    return 1; // return nbr of controls inside this container
    }

// ---------------------------------------------------------
// CCustomGridContainer::ComponentControl(TInt aIndex) const
// ---------------------------------------------------------
//
CCoeControl* CCustomGridContainer::ComponentControl(TInt aIndex) const
    {
    switch ( aIndex )
        {
        case 0:
            return iGrid;
        default:
            return NULL;
        }
    }

// ---------------------------------------------------------
// CCustomGridContainer::Draw(const TRect& aRect) const
// ---------------------------------------------------------
//
void CCustomGridContainer::Draw(const TRect& aRect) const
    {
    CWindowGc& gc = SystemGc();
    // TODO: Add your drawing code here
    // example code...
    gc.SetPenStyle( CGraphicsContext::ENullPen );
    gc.SetBrushColor( KRgbGray );
    gc.SetBrushStyle( CGraphicsContext::ESolidBrush );
    gc.DrawRect( aRect );
    }

// ---------------------------------------------------------
// CCustomGridContainer::OfferKeyEventL()
// @param aKeyEvent Event to handled.
// @param aType Type of the key event. 
// @return Response code (EKeyWasConsumed, EKeyWasNotConsumed). 
// ---------------------------------------------------------
//
TKeyResponse CCustomGridContainer::OfferKeyEventL(const TKeyEvent& aKeyEvent,TEventCode aType)
    {
    return iGrid->OfferKeyEventL(aKeyEvent, aType);
    }

// ---------------------------------------------------------
// CCustomGridContainer::HandleListBoxEventL(
//     CEikListBox* aListBox, TListBoxEvent aListBoxEvent)
// ---------------------------------------------------------
//
void CCustomGridContainer::HandleListBoxEventL(CEikListBox*/*aListBox*/, TListBoxEvent aListBoxEvent)
    {
    if((aListBoxEvent == MEikListBoxObserver::EEventEnterKeyPressed) ||
       (aListBoxEvent == MEikListBoxObserver::EEventItemClicked)) // for emulator
        {
//        CEikonEnv::Static()->InfoWinL(R_QTN_APP_NODETAIL);
        }
    }

// New methods
/**
* Handles marking commands for all currently selected games, by passing them 
* to the AknSelectionService
*/
void CCustomGridContainer::HandleMarkCommandL(TInt aCommand)
    {
    AknSelectionService::HandleMarkableListProcessCommandL(aCommand, iGrid);
    }

TInt CCustomGridContainer::RecordCount()
    {
    return iGrid->Model()->NumberOfItems();
    }

void CCustomGridContainer::AddRecordL(const TDesC& aDesC)
    {
    CTextListBoxModel* model = iGrid->Model();
    CDesCArray* array = static_cast<CDesCArray*>(model->ItemTextArray());
    _LIT(KItemFormat, "2\t%S\t1");
    TBuf<32> record;
    record.Format(KItemFormat(), &aDesC);
    TInt index = iGrid->CurrentItemIndex();
    if(index<0)
        array->AppendL(record);
    else
        array->InsertL(index, record);
    iGrid->HandleItemAdditionL();
    }

void CCustomGridContainer::DeleteRecordL()
    {
    CTextListBoxModel* model = iGrid->Model();
    CDesCArray* array = static_cast<CDesCArray*>(model->ItemTextArray());
    TInt index = iGrid->CurrentItemIndex();
    TBool deleted = iGrid->View()->ItemIsSelected(index);
    const CListBoxView::CSelectionIndexArray* selection = iGrid->SelectionIndexes();
    TInt i = selection->Count()-1;
    for(i;i>=0;i--)
        {
        if(index>=(*selection)[i])
            {
            index--;
            }
        array->Delete((*selection)[i]);
        }
    if(index<0)
        {
        index=0;
        }
    iGrid->HandleItemRemovalL();
    HandleMarkCommandL(EAknUnmarkAll);
    }

// End of File