/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  Time field for viewers

*

*/

#include "cesmrviewertimefield.h"

#include "cesmreditor.h"

#include "mesmrlistobserver.h"

#include "nmrbitmapmanager.h"

#include "nmrlayoutmanager.h"

#include "cmrlabel.h"

#include "cmrimage.h"

#include "cesmrglobalnote.h"

#include <eiklabel.h>

#include <caluser.h>

#include <calalarm.h>

#include <avkon.rsg>

#include <calentry.h>

#include <eikenv.h>

#include <eikedwin.h>

#include <StringLoader.h>

#include <AknsConstants.h>

#include <AknUtils.h>

#include <AknLayout2ScalableDef.h>

#include <esmrgui.rsg>

// DEBUG

#include "emailtrace.h"

//unnamed namespace for local constants functions

namespace{ // codescanner::namespace

const TInt KTimeBufferSize( 50 );

const TInt KTempBufferSize( 20 );

// Literal for start and end time separator

_LIT(KTimeSeparator," - ");

}//namespace

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

// ---------------------------------------------------------------------------

// CESMRViewerTimeField::CESMRViewerTimeField()

// ---------------------------------------------------------------------------

//

CESMRViewerTimeField::CESMRViewerTimeField()

    {

    FUNC_LOG;

    SetFieldId( EESMRFieldMeetingTime );

    SetFocusType( EESMRHighlightFocus );

    }

// ---------------------------------------------------------------------------

// CESMRViewerTimeField::~CESMRViewerTimeField()

// ---------------------------------------------------------------------------

//

CESMRViewerTimeField::~CESMRViewerTimeField()

    {

    FUNC_LOG;

    delete iIcon;

    delete iLockIcon;

    }

// ---------------------------------------------------------------------------

// CESMRViewerTimeField::NewL()

// ---------------------------------------------------------------------------

//

CESMRViewerTimeField* CESMRViewerTimeField::NewL()

    {

    FUNC_LOG;

    CESMRViewerTimeField* self = new (ELeave) CESMRViewerTimeField();

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

// ---------------------------------------------------------------------------

// CESMRViewerTimeField::ConstructL()

// ---------------------------------------------------------------------------

//

void CESMRViewerTimeField::ConstructL()

    {

    FUNC_LOG;

    iLabel = CMRLabel::NewL( this );

    CESMRField::ConstructL( iLabel ); // ownership transfered

    iIcon = CMRImage::NewL( NMRBitmapManager::EMRBitmapClock, this );

    }

// ---------------------------------------------------------------------------

// CESMRViewerTimeField::InternalizeL()

// ---------------------------------------------------------------------------

//

void CESMRViewerTimeField::InternalizeL( MESMRCalEntry& aEntry )

    {

    FUNC_LOG;

    CCalEntry& entry = aEntry.Entry();

    iStartTime = entry.StartTimeL().TimeLocalL();

    iEndTime   = entry.EndTimeL().TimeLocalL();

    if ( aEntry.IsAllDayEventL() )

        {

        // set the field as hidden:

        iObserver->HideControl( FieldId() );

        }

    else

        {

        FormatTimeFieldStringL();

        }

    }

// ---------------------------------------------------------------------------

// CESMRViewerTimeField::InitializeL()

// ---------------------------------------------------------------------------

//

void CESMRViewerTimeField::InitializeL()

    {

    FUNC_LOG;

    TAknLayoutText text = NMRLayoutManager::GetLayoutText(

            Rect(),

            NMRLayoutManager::EMRTextLayoutTextEditor );

    iLabel->SetFont( text.Font() );

    // This is called so that theme changes will apply when changing theme "on the fly"

    if ( IsFocused() )

        {

        iLabel->FocusChanged( EDrawNow );

        }

    }

// ---------------------------------------------------------------------------

// CESMRViewerTimeField::SizeChanged()

// ---------------------------------------------------------------------------

//

void CESMRViewerTimeField::SizeChanged()

    {

    FUNC_LOG;

    TRect rect = Rect();

    TAknLayoutRect rowLayoutRect =

        NMRLayoutManager::GetFieldRowLayoutRect( rect, 1 );

    rect = rowLayoutRect.Rect();

    TAknWindowComponentLayout iconLayout =

        NMRLayoutManager::GetWindowComponentLayout(

                NMRLayoutManager::EMRLayoutTextEditorIcon );

    AknLayoutUtils::LayoutImage( iIcon, rect, iconLayout );

    // Layouting lock icon

    if( iLockIcon )

        {

        TAknWindowComponentLayout iconLayout(

                NMRLayoutManager::GetWindowComponentLayout(

                    NMRLayoutManager::EMRLayoutSingleRowDColumnGraphic ) );

        AknLayoutUtils::LayoutImage( iLockIcon, rect, iconLayout );

        }

    // Layouting label

    TAknTextComponentLayout viewerLayoutText;

    if( iLockIcon )

        {

        viewerLayoutText = NMRLayoutManager::GetTextComponentLayout(

                NMRLayoutManager::EMRTextLayoutSingleRowEditorText );

        }

    else

        {

        viewerLayoutText = NMRLayoutManager::GetTextComponentLayout(

                NMRLayoutManager::EMRTextLayoutTextEditor );

        }

    AknLayoutUtils::LayoutLabel( iLabel, rect, viewerLayoutText );

    TRect viewerRect( iLabel->Rect() );

    // Move focus rect so that it's relative to field's position.

    viewerRect.Move( -Position() );

    SetFocusRect( viewerRect );

    }

// ---------------------------------------------------------------------------

// CESMRViewerTimeField::CountComponentControls()

// ---------------------------------------------------------------------------

//

TInt CESMRViewerTimeField::CountComponentControls() const

    {

    FUNC_LOG;

    TInt count( 0 );

    if ( iIcon )

    	{

    	++count;

    	}

    if ( iLabel )

    	{

    	++count;

    	}

    if ( iLockIcon )

    	{

    	++count;

    	}

    return count;

    }

// ---------------------------------------------------------------------------

// CESMRViewerTimeField::ComponentControl()

// ---------------------------------------------------------------------------

//

CCoeControl* CESMRViewerTimeField::ComponentControl( TInt aIndex ) const

    {

    FUNC_LOG;

    switch ( aIndex )

        {

        case 0:

            return iIcon;

        case 1:

            return iLabel;

        case 2:

        	return iLockIcon;

        default:

            return NULL;

        }

    }

// ---------------------------------------------------------------------------

// CESMRViewerTimeField::SetOutlineFocusL()

// ---------------------------------------------------------------------------

//

void CESMRViewerTimeField::SetOutlineFocusL( TBool aFocus )

    {

    FUNC_LOG;

    CESMRField::SetOutlineFocusL ( aFocus );

    iLabel->SetFocus( aFocus );

    }

// ---------------------------------------------------------------------------

// CESMRViewerTimeField::ExecuteGenericCommandL()

// ---------------------------------------------------------------------------

//

TBool CESMRViewerTimeField::ExecuteGenericCommandL( TInt aCommand )

    {

    FUNC_LOG;

    TBool retValue( EFalse );

    if( (aCommand == EAknCmdOpen) && IsLocked()  )

    	{

		HandleTactileFeedbackL();

    	CESMRGlobalNote::ExecuteL(

    			CESMRGlobalNote::EESMRUnableToEdit );

    	retValue = ETrue;

    	}

    if ( EMRCmdDoEnvironmentChange == aCommand )

        {

        FormatTimeFieldStringL();

        retValue = ETrue;

        }

    return retValue;

    }

// ---------------------------------------------------------------------------

// CESMRViewerTimeField::LockL()

// ---------------------------------------------------------------------------

//

void CESMRViewerTimeField::LockL()

	{

	FUNC_LOG;

	if( IsLocked() )

		{

		return;

		}

	CESMRField::LockL();

	delete iLockIcon;

	iLockIcon = NULL;

	iLockIcon = CMRImage::NewL(

	        NMRBitmapManager::EMRBitmapLockField,

	        this,

	        ETrue );

	}

// ---------------------------------------------------------------------------

// CESMRViewerTimeField::FormatTimeFieldStringL()

// ---------------------------------------------------------------------------

//

void CESMRViewerTimeField::FormatTimeFieldStringL()

    {

    HBufC* timeFormatString =

        iEikonEnv->AllocReadResourceLC( R_QTN_TIME_USUAL_WITH_ZERO );

    HBufC* finalBuf = HBufC::NewLC( KTimeBufferSize );

    HBufC* startBuf = HBufC::NewLC( KTempBufferSize );

    HBufC* endBuf = HBufC::NewLC( KTempBufferSize );

    const TInt KNumBuffers( 4 );

    TPtr startPtr( startBuf->Des() );

    iStartTime.FormatL( startPtr, *timeFormatString );

    TPtr endPtr( endBuf->Des() );

    iEndTime.FormatL( endPtr, *timeFormatString );

    TPtr finalPtr( finalBuf->Des() );

    finalPtr.Append( startPtr );

    finalPtr.Append( KTimeSeparator );

    finalPtr.Append( endPtr );

    AknTextUtils::DisplayTextLanguageSpecificNumberConversion( finalPtr );

    iLabel->SetTextL( finalPtr );

    CleanupStack::PopAndDestroy( KNumBuffers, timeFormatString );

    }

// EOF