/*

 * Copyright (c) 2010 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: 

 *   EAP method username format validator

 *

 */

/*

 */

// System includes

#include <HbEditorInterface>

#include <HbLineEdit>

// User includes

#include "eapqtvalidatorusername.h"

#include "eapqtconfiginterface_p.h"

/*!

 *  \class EapQtValidatorUsername

 *  \brief EAP method username format validator

 */

// External function prototypes

// Local constants

// ======== LOCAL FUNCTIONS ========

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

EapQtValidatorUsername::EapQtValidatorUsername(const EapQtExpandedEapType& type) :

    mEapType(type)

{

}

EapQtValidatorUsername::~EapQtValidatorUsername()

{

}

EapQtValidator::Status EapQtValidatorUsername::validate(const QVariant& value)

{

    qDebug("EapQtValidatorUsername::validate()");

    Status status(StatusOk);

    switch (mEapType.type()) {

    case EapQtExpandedEapType::TypeEapAka:

    case EapQtExpandedEapType::TypeEapFast:

    case EapQtExpandedEapType::TypeEapGtc:

    case EapQtExpandedEapType::TypeEapMschapv2:

    case EapQtExpandedEapType::TypeEapSim:

    case EapQtExpandedEapType::TypeEapTls:

    case EapQtExpandedEapType::TypeEapTtls:

    case EapQtExpandedEapType::TypeLeap:

    case EapQtExpandedEapType::TypePeap:

    case EapQtExpandedEapType::TypePap:

    case EapQtExpandedEapType::TypePlainMschapv2:

        status = validateGeneral(value);

        break;

    default:

        // for methods that do not have a realm

        status = StatusInvalid;

        break;

    }

    return status;

}

EapQtValidator::Status EapQtValidatorUsername::validateGeneral(const QVariant& value)

{

    Status status(StatusOk);

    // input must be of correct type

    if (value.type() != QVariant::String) {

        status = StatusInvalid;

    }

    else if (str.length() <= 0 && !isEmptyAllowed()) {

        status = StatusTooShort;

    }

    // zero length username is ok

    else if (str.length() > EapQtConfigInterfacePrivate::StringMaxLength) {

        status = StatusTooLong;

    }

    else if (!validateCharacters(str)) {

        status = StatusInvalidCharacters;

    }

    qDebug("EapQtValidatorUsername::validateGeneral - return status: %d", status);

    return status;

}

bool EapQtValidatorUsername::isEmptyAllowed()

{

    qDebug("EapQtValidatorUsername::isEmptyAllowed()");

    bool ret(true);

    switch (mEapType.type()) {

    case EapQtExpandedEapType::TypeEapGtc:

    case EapQtExpandedEapType::TypeEapMschapv2:

    case EapQtExpandedEapType::TypeLeap:

    case EapQtExpandedEapType::TypePap:

    case EapQtExpandedEapType::TypePlainMschapv2:

        ret = false;

        break;

    default:

        // other methods can have empty username

        break;

    }

    return ret;

}

bool EapQtValidatorUsername::validateCharacters(const QString& str)

{

    qDebug("EapQtValidatorUsername::validateCharacters()");

    bool ret(true);

    switch (mEapType.type()) {

    case EapQtExpandedEapType::TypeEapAka:

    case EapQtExpandedEapType::TypeEapFast:

    case EapQtExpandedEapType::TypeEapSim:

    case EapQtExpandedEapType::TypeEapTls:

    case EapQtExpandedEapType::TypeEapTtls:

    case EapQtExpandedEapType::TypePeap:

        // these methods have a separate UI setting for realm,

        // hence @ is not allowed in username field

        ret = !(str.contains(QChar('@'), Qt::CaseInsensitive));

        break;

    default:

        // username field can contain realm separated with @

        break;

    }

    return ret;

}

void EapQtValidatorUsername::updateEditor(HbLineEdit* const edit)

{

    qDebug("EapQtValidatorUsername::updateEditor()");

    Q_ASSERT(edit);

    if(edit == NULL) {

        return;

    }

    switch (mEapType.type()) {

    case EapQtExpandedEapType::TypeEapAka:

    case EapQtExpandedEapType::TypeEapFast:

    case EapQtExpandedEapType::TypeEapGtc:

    case EapQtExpandedEapType::TypeEapMschapv2:

    case EapQtExpandedEapType::TypeEapSim:

    case EapQtExpandedEapType::TypeEapTls:

    case EapQtExpandedEapType::TypeEapTtls:

    case EapQtExpandedEapType::TypeLeap:

    case EapQtExpandedEapType::TypePeap:

    case EapQtExpandedEapType::TypePap:

    case EapQtExpandedEapType::TypePlainMschapv2:

        updateEditorGeneral(edit);

        // falls through on purpose

    default:

        // no editor preferences for other types

        break;

    }

}

void EapQtValidatorUsername::updateEditorGeneral(HbLineEdit* const edit)

{

    qDebug("EapQtValidatorUsername::updateEditorGeneral()");

    Q_ASSERT(edit);

    edit->setMaxLength(EapQtConfigInterfacePrivate::StringMaxLength);

    edit->setInputMethodHints(Qt::ImhNoAutoUppercase | Qt::ImhPreferLowercase

        | Qt::ImhNoPredictiveText);

    HbEditorInterface editInterface(edit);

    editInterface.setEditorClass(HbInputEditorClassUsername);

    HbEditorConstraints constraints = HbEditorConstraintAutoCompletingField;

    editInterface.setInputConstraints(constraints);

    // no smileys :)

    editInterface.setSmileyTheme(HbSmileyTheme());

}