aknexeditorcontainer22.cpp

来自「国内著名嵌入式培训机构内部资料,内含一些实例代码,包括技术专题书籍」· C++ 代码 · 共 310 行

/*  Copyright (c) 2004, Nokia. All rights reserved */

// INCLUDE FILES
#include <eiklabel.h>  // for example label control
#include <barsread.h>  // for resource reader
#include <coemain.h>
#include <eikmfne.h>   // for Date, Timer, DateAndTimer editor

#include <AknExEditor.rsg>
#include "aknexeditor.hrh"
#include "AknExEditorContainer22.h"
#include "AknExEditorDialog.h"

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

// ----------------------------------------------------------------------------
// CAknExEditorContainer22::CAknExEditorContainer22()
// C++ default constructor can NOT contain any code, that
// might leave.
//-----------------------------------------------------------------------------
//
CAknExEditorContainer22::CAknExEditorContainer22()
: iLabel1( NULL ), iLabel2( NULL ), iLabel3( NULL ), iTimeEditor( NULL ), 
 iDateEditor( NULL ), iDurationEditor( NULL ), iFocusedControl( NULL )
    {
    }

// ----------------------------------------------------------------------------
// CAknExEditorContainer22::ConstructL()
// two phased constructor
//-----------------------------------------------------------------------------
//
void CAknExEditorContainer22::ConstructL( const TRect& aRect )
    {
    CreateWindowL();

    TBuf<KBufLength> text;
    TPoint position = TOP_POSITION;

    // Create labels
    iCoeEnv->ReadResource( text, R_AKNEXEDITOR_VIEW22_LABEL1 );
    iLabel1 = new ( ELeave ) CEikLabel;
    iLabel1->SetContainerWindowL( *this );
    iLabel1->SetTextL( text );
    iLabel1->SetExtent( position, iLabel1->MinimumSize() );

    position = position + LABEL_ROW_SIZE + LABEL_ROW_SIZE;
    iCoeEnv->ReadResource( text, R_AKNEXEDITOR_VIEW22_LABEL2 );
    iLabel2 = new ( ELeave ) CEikLabel;
    iLabel2->SetContainerWindowL( *this );
    iLabel2->SetTextL( text );
    iLabel2->SetExtent( position, iLabel2->MinimumSize() );

    position = position + LABEL_ROW_SIZE + LABEL_ROW_SIZE;
    iCoeEnv->ReadResource( text, R_AKNEXEDITOR_VIEW22_LABEL3 );
    iLabel3 = new ( ELeave ) CEikLabel;
    iLabel3->SetContainerWindowL( *this );
    iLabel3->SetTextL( text );
    iLabel3->SetExtent( position, iLabel3->MinimumSize() );

    position = position + LABEL_ROW_SIZE + LABEL_ROW_SIZE;
    iCoeEnv->ReadResource( text, R_AKNEXEDITOR_VIEW22_LABEL4 );
    iLabel4 = new ( ELeave ) CEikLabel;
    iLabel4->SetContainerWindowL( *this );
    iLabel4->SetTextL( text );
    iLabel4->SetExtent( position, iLabel4->MinimumSize() );

    // Create editors.
    position = TOP_POSITION + EDITOR_ROW_SIZE;
    TResourceReader reader;

    iCoeEnv->CreateResourceReaderLC( reader, R_AKNEXEDITOR_VIEW22_TIME_EDITOR );
    iTimeEditor = new ( ELeave ) CEikTimeEditor;
    iTimeEditor->SetContainerWindowL( *this );
    iTimeEditor->ConstructFromResourceL( reader );
    CleanupStack::PopAndDestroy();  // Resource reader
    iTimeEditor->SetExtent( position, iTimeEditor->MinimumSize() );

    TDateTime time = TIME_DATE_DEFAULT_1;
    iTimeEditor->SetTime( time );

    position = position + EDITOR_ROW_SIZE + EDITOR_ROW_SIZE;
    iCoeEnv->CreateResourceReaderLC( reader, R_AKNEXEDITOR_VIEW22_DATE_EDITOR );
    iDateEditor = new ( ELeave ) CEikDateEditor;
    iDateEditor->SetContainerWindowL( *this );
    iDateEditor->ConstructFromResourceL( reader );
    CleanupStack::PopAndDestroy();  // Resource reader
    iDateEditor->SetExtent( position, iDateEditor->MinimumSize() );
    time = TIME_DATE_DEFAULT_2;
    iDateEditor->SetDate( time );

    position = position + EDITOR_ROW_SIZE + EDITOR_ROW_SIZE;
    iCoeEnv->CreateResourceReaderLC( reader,
                                     R_AKNEXEDITOR_VIEW22_DURATION_EDITOR );
    iDurationEditor = new ( ELeave ) CEikDurationEditor;
    iDurationEditor->SetContainerWindowL( *this );
    iDurationEditor->ConstructFromResourceL( reader );
    CleanupStack::PopAndDestroy();  // Resource reader
    iDurationEditor->SetExtent( position, iDurationEditor->MinimumSize() );
    TTimeIntervalSeconds duration = DURATION_DEFAULT_1;
    iDurationEditor->SetDuration( duration );

    position = position + EDITOR_ROW_SIZE + EDITOR_ROW_SIZE;
    iCoeEnv->CreateResourceReaderLC( reader,
                                     R_AKNEXEDITOR_VIEW22_TIME_AND_DATE_EDITOR );
    iTimeAndDateEditor = new ( ELeave ) CEikTimeAndDateEditor;
    iTimeAndDateEditor->SetContainerWindowL( *this );
    iTimeAndDateEditor->ConstructFromResourceL( reader );
    CleanupStack::PopAndDestroy();  // Resource reader
    iTimeAndDateEditor->SetExtent( position, 
                                   iTimeAndDateEditor->MinimumSize() );
    time = TIME_DATE_DEFAULT_3;
    iTimeAndDateEditor->SetTimeAndDate( time );

    iTimeEditor->SetFocus( ETrue );
    iFocusedControl = iTimeEditor;

    SetRect( aRect );
    ActivateL();
    }

// ----------------------------------------------------------------------------
// CAknExEditorContainer22::~CAknExEditorContainer22()
// Destructor
//-----------------------------------------------------------------------------
//
CAknExEditorContainer22::~CAknExEditorContainer22()
    {
    delete iLabel1;
    delete iLabel2;
    delete iLabel3;
    delete iLabel4;
    delete iDateEditor;
    delete iTimeEditor;
    delete iDurationEditor;
    delete iTimeAndDateEditor;
    }

// ---------------------------------------------------------
// CAknExEditorContainer::FocusTo()
// Change foccused control and select part/all of it.
// ( other items were commented in a header ).
// ---------------------------------------------------------
//
void CAknExEditorContainer22::FocusTo( TInt aCommand )
    {
    switch( aCommand )
        {
        case EAknExEditorCmdSelectTimeEditor:
            iDateEditor->SetFocus( EFalse );
            iDurationEditor->SetFocus( EFalse );
            iTimeEditor->SetFocus( ETrue );
            iTimeAndDateEditor->SetFocus( EFalse );
            iFocusedControl = iTimeEditor;
            break;

        case EAknExEditorCmdSelectDateEditor:
            iDurationEditor->SetFocus( EFalse );
            iTimeEditor->SetFocus( EFalse );
            iTimeAndDateEditor->SetFocus( EFalse );
            iDateEditor->SetFocus( ETrue );
            iFocusedControl = iDateEditor;
            break;

        case EAknExEditorCmdSelectDurationEditor:
            iTimeEditor->SetFocus( EFalse );
            iDateEditor->SetFocus( EFalse );
            iDurationEditor->SetFocus( ETrue );
            iTimeAndDateEditor->SetFocus( EFalse );
            iFocusedControl = iDurationEditor;
            break;

        case EAknExEditorCmdSelectTimeAndDateEditor:
            iTimeEditor->SetFocus( EFalse );
            iDateEditor->SetFocus( EFalse );
            iDurationEditor->SetFocus( EFalse );
            iTimeAndDateEditor->SetFocus( ETrue );
            iFocusedControl = iTimeAndDateEditor;
            break;

        default:
            break;
        }
    }

// ---------------------------------------------------------
// CAknExEditorContainer22::SizeChanged()
// Called by framework when the view size is changed
// ( other items were commented in a header ).
// ---------------------------------------------------------
//
void CAknExEditorContainer22::SizeChanged()
    {
    }

// ---------------------------------------------------------
// CAknExEditorContainer22::CountComponentControls()
// ( other items were commented in a header ).
// ---------------------------------------------------------
//
TInt CAknExEditorContainer22::CountComponentControls() const
    {
    return KNumberOfControls; // return nbr of controls inside this container
    }

// ---------------------------------------------------------
// CAknExEditorContainer22::ComponentControl()
// ( other items were commented in a header ).
// ---------------------------------------------------------
//
CCoeControl* CAknExEditorContainer22::ComponentControl( TInt aIndex ) const
    {
    switch ( aIndex )
        {
        case ETimePrompt:
            return iLabel1;
        case EDatePrompt:
            return iLabel2;
        case EDurationPrompt:
            return iLabel3;
        case ETimeAndDatePrompt:
            return iLabel4;
        case ETATimeEditor:
            return iTimeEditor;
        case ETADateEditor:
            return iDateEditor;
        case ETADurationEditor:
            return iDurationEditor;
        case ETATimeAndDateEditor:
            return iTimeAndDateEditor;
        default:
            return NULL;
        }
    }

// ---------------------------------------------------------
// CAknExEditorContainer22::ShowFormL()
// Show form.
// ( other items were commented in a header ).
// ---------------------------------------------------------
//
void CAknExEditorContainer22::ShowFormL()
    {
    CAknExEditorDialog* dialog = new ( ELeave ) CAknExEditorDialog();
    dialog->ExecuteLD( R_AKNEXEDITOR_VIEW22_DIALOG );
    }

// ---------------------------------------------------------
// CAknExEditorContainer22::Draw()
// ( other items were commented in a header ).
// ---------------------------------------------------------
//
void CAknExEditorContainer22::Draw( const TRect& aRect ) const
    {
    CWindowGc& gc = SystemGc();
    gc.SetPenStyle( CGraphicsContext::ENullPen );
    gc.SetBrushColor( KRgbGray );
    gc.SetBrushStyle( CGraphicsContext::ESolidBrush );
    gc.DrawRect( aRect );
    }

// ---------------------------------------------------------
// CAknExEditorContainer22::HandleControlEventL()
// ( other items were commented in a header ).
// ---------------------------------------------------------
//
void CAknExEditorContainer22::HandleControlEventL( 
    CCoeControl* /*aControl*/, TCoeEvent /*aEventType*/ )
    {
    }

// ---------------------------------------------------------
// CAknExEditorContainer22::OfferKeyEventL()
// ( other items were commented in a header ).
// ---------------------------------------------------------
//
TKeyResponse CAknExEditorContainer22::OfferKeyEventL( 
    const TKeyEvent& aKeyEvent, TEventCode aType )
    {
    return iFocusedControl->OfferKeyEventL( aKeyEvent, aType );
    }

// ---------------------------------------------------------
// CAknExEditorContainer22::PrepareForFocusLossL()
// ( other items were commented in a header ).
// ---------------------------------------------------------
//
void CAknExEditorContainer22::PrepareForFocusLossL()
    {
    if ( iFocusedControl )
        {
        iFocusedControl->PrepareForFocusLossL();
        }
    }

// ---------------------------------------------------------
// CAknExEditorContainer22::FocusChanged()
// ( other items were commented in a header ).
// ---------------------------------------------------------
//
void CAknExEditorContainer22::FocusChanged( TDrawNow aDrawNow )
    {
    if ( iFocusedControl )
        {
        iFocusedControl->SetFocus( IsFocused(), aDrawNow );
        }
    }

// End of File