/*

 * 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 Wizard Page: User Certificate Selection.

 *

 */

// System includes

#include <QGraphicsItem>

#include <HbDocumentLoader>

#include <HbMainWindow>

#include <HbWidget>

#include <HbRadioButtonList>

#include <HbLabel>

#include <eapqtconfiginterface.h>

#include <eapqtcertificateinfo.h>

// User includes

#include "wlanwizardhelper.h"

#include "eapwizardpagecertuser.h"

#include "eapwizard_p.h"

/*!

   \class EapWizardPageCertUser

   \brief Implements EAP wizard page: User Certificate selection

 */

// External function prototypes

// Local constants

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

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

/*!

   Constructor.

   @param [in] parent Pointer to EAP Wizard private implementation.

 */

EapWizardPageCertUser::EapWizardPageCertUser(EapWizardPrivate* parent) :

    EapWizardPage(parent), 

    mWidget(NULL), 

    mCertList(NULL),

    mErrorLabel(NULL),

    mDocumentLoader(NULL),

    mValid(false)

{

}

/*!

   Destructor.

 */

EapWizardPageCertUser::~EapWizardPageCertUser()

{

}

/*!

   See WlanWizardPage. 

 */

HbWidget* EapWizardPageCertUser::initializePage()

{

    if (!mWidget) {

        bool ok;

        mDocumentLoader.reset(new HbDocumentLoader(mWizard->wizardHelper()->mainWindow()));

        mDocumentLoader->load(":/docml/occ_eap_wizard_06.docml", &ok);

        Q_ASSERT(ok);

        loadDocmlSection(mWizard->wizardHelper()->mainWindow()->orientation());

        mWidget = qobject_cast<HbWidget*> (mDocumentLoader->findWidget("occ_eap_wizard_06"));

        Q_ASSERT(mWidget);

        mCertList = qobject_cast<HbRadioButtonList*> (mDocumentLoader->findWidget("list"));

        Q_ASSERT(mCertList);

        mErrorLabel = qobject_cast<HbLabel*> (mDocumentLoader->findWidget("errorLabel"));

        Q_ASSERT(mErrorLabel);

        mErrorLabel->setPlainText(hbTrId("txt_occ_dialog_no_certificates_installed_wizard_c"));

        ok = connect(

            mWizard->wizardHelper()->mainWindow(),

            SIGNAL(orientationChanged(Qt::Orientation)), 

            this, 

            SLOT(loadDocmlSection(Qt::Orientation)));

        Q_ASSERT(ok);

        ok = connect(

            mCertList, SIGNAL(itemSelected(int)), 

            this, SLOT(itemSelected(int)));

        Q_ASSERT(ok);

    }

    EapQtConfigInterface* confIf = mWizard->eapConfigurationInterface();

    // ignore return value

    confIf->updateCertificates();

    mCerts = confIf->userCertificates();

    QStringList list;

    for (int i = 0; i < mCerts.count(); ++i) {

        list << mCerts.at(i).value(EapQtCertificateInfo::CertificateLabel).toString();

    }

    if (list.isEmpty()) {

        mErrorLabel->setVisible(true);

        mCertList->setVisible(false);

        mValid = false;

    } else if (list != mCertList->items()){

        // in case the user cert list has been changed, update UI

        mCertList->setItems(list);

        mErrorLabel->setVisible(false);

        mCertList->setVisible(true);

        if (list.count() == 1) {

            mValid = true;

            mCertList->setSelected(0);

        } else {

            mValid = false;

        }

    }

    return mWidget;

}

/*!

   Loads the required orientation of docml.

   @param [in] orientation Orientation to be loaded. 

 */

void EapWizardPageCertUser::loadDocmlSection(Qt::Orientation orientation)

{

    EapWizardPage::loadDocmlSection(

        mDocumentLoader.data(),

        orientation,

        ":/docml/occ_eap_wizard_06.docml", 

        "portrait_section",

        "landscape_section");

}

/*!

   See WlanWizardPage. 

   @return next wizard page: EapWizardPage::PageIdentity

 */

int EapWizardPageCertUser::nextId() const

{

    mWizard->setConfigurations(

        EapWizardPrivate::CertificateUser, 

        qVariantFromValue(

            mCerts.at(mCertList->selected())));

    return EapWizardPage::PageIdentity;

}

/*!

   See WlanWizardPage.

   Validates the content of the page.

   @return true if content is valid.

 */

bool EapWizardPageCertUser::showPage()

{

    return mValid;

}

/*!

   Handler for itemsSelected() signal from HbRadioButtonList.

   @param [in] index NOT USED

 */

void EapWizardPageCertUser::itemSelected(int index)

{

    Q_UNUSED(index);

    mValid = true;

    mWizard->wizardHelper()->enableNextButton(mValid);

}