/*
* Copyright (c) 2006 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:  Text query dialog that accepts empty input
*
*/



// INCLUDE FILES
#include "CCATextQueryDialog.h"


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

// -----------------------------------------------------------------------------
// CCATextQueryDialog::CCATextQueryDialog
// C++ default constructor can NOT contain any code, that
// might leave.
// -----------------------------------------------------------------------------
//
EXPORT_C CCATextQueryDialog::CCATextQueryDialog( TDes& aDataText,
                                                 const TTone& aTone /*= ENoTone*/,
                                                 TBool aLeftSoftkeyAlwaysVisible /*= ETrue*/,
                                                 TBool aDomainSelectionQuery /*= EFalse*/ )
        : CAknTextQueryDialog( aDataText, aTone ),
        iLeftSoftkeyAlwaysVisible( aLeftSoftkeyAlwaysVisible ),
        iDomainSelectionQuery( aDomainSelectionQuery )
    {
    }

// -----------------------------------------------------------------------------
// CCATextQueryDialog::NewL
// Two-phased constructor.
// -----------------------------------------------------------------------------
//
EXPORT_C CCATextQueryDialog* CCATextQueryDialog::NewL( TDes& aDataText,
                                                       const TTone& aTone /*= ENoTone*/,
                                                       TBool aLeftSoftkeyAlwaysVisible /*= ETrue*/,
                                                       TBool aDomainSelectionQuery /*= EFalse*/ )
    {
    CCATextQueryDialog* self = new( ELeave ) CCATextQueryDialog(
        aDataText, aTone,
        aLeftSoftkeyAlwaysVisible,
        aDomainSelectionQuery );
    return self;
    }

// -----------------------------------------------------------------------------
//  Destructor
// -----------------------------------------------------------------------------
//

EXPORT_C CCATextQueryDialog::~CCATextQueryDialog()
    {
    }

// -----------------------------------------------------------------------------
// CCATextQueryDialog::UpdateLeftSoftKeyL
// (other items were commented in a header).
// -----------------------------------------------------------------------------
//
EXPORT_C void CCATextQueryDialog::UpdateLeftSoftKeyL()
    {
    if ( iLeftSoftkeyAlwaysVisible )
        {
        // do nothing so the left softkey is always visible
        return;
        }
    else
        {
        CAknTextQueryDialog::UpdateLeftSoftKeyL();
        }
    }

// -----------------------------------------------------------------------------
// CCATextQueryDialog::OfferKeyEventL
// (other items were commented in a header).
// -----------------------------------------------------------------------------
//
EXPORT_C TKeyResponse CCATextQueryDialog::OfferKeyEventL( const TKeyEvent& aKeyEvent,
                                                          TEventCode aType )
    {
    TInt oldLen = 0;
    CEikEdwin* edwin = NULL;
    // If this is launched after domain selection query
    // check editor state
    if ( iDomainSelectionQuery )
        {
        CCoeControl* ctrl = ControlOrNull( EGeneralQuery );
        if ( ctrl )
            {
            CAknQueryControl* query = static_cast<CAknQueryControl*>( ctrl );
            ctrl = query->ControlByLayoutOrNull( EDataLayout );
            if ( ctrl )
                {
                edwin = static_cast<CEikEdwin*>( ctrl );
                oldLen = edwin->TextLength();
                }
            }
        }

    TKeyResponse response =
        CAknTextQueryDialog::OfferKeyEventL( aKeyEvent, aType );

    if ( iDomainSelectionQuery && edwin
         && aKeyEvent.iCode != EKeyOK )
        {
        if ( oldLen > 0
             && response == EKeyWasConsumed
             && edwin->TextLength() == 0 )
            {
            // User has cleared editor -> exit dialog
            TryExitL( EAknSoftkeyExit );
            }
        }

    return response;
    }

// -----------------------------------------------------------------------------
// CCATextQueryDialog::OfferKeyEventL
// (other items were commented in a header).
// -----------------------------------------------------------------------------
//
EXPORT_C TBool CCATextQueryDialog::OkToExitL( TInt aButtonId )
    {
    if ( aButtonId == EAknSoftkeyExit && iDomainSelectionQuery )
        {
        return ETrue;
        }
    else
        {
        return CAknTextQueryDialog::OkToExitL( aButtonId );
        }
    }
//  End of File