/*

 * 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: 

 *   Control Panel QT UI for EAP-SIM and EAP-AKA method configuration

 *

 */

/*

 */

// System includes

#include <HbDataForm>

#include <HbDataFormModel>

#include <HbDataFormViewItem>

#include <HbParameterLengthLimiter>

#include <HbMessageBox> 

#include <HbAction>

#include <HbLineEdit>

#include <cpsettingformitemdata.h>

#include <cpitemdatahelper.h>

#include <eapqtvalidator.h>

#include <eapqtexpandedeaptype.h>

// User includes

#include "cpeapsimakaui.h"

/*!

 * \class CpEapSimAkaUi

 * \brief Implementes EAP-SIM and EAP-AKA method configuration ui. 

 */

// External function prototypes

// Local constants

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

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

/*!

 * Constructor.

 * 

 * @param bearer        Bearer type of the accessed configuration.

 * @param iapId         IAP ID of the accessed configuration.

 * @param plugin        Plugin.

 * @param outerHandle   Outer handle.

 */

CpEapSimAkaUi::CpEapSimAkaUi(

    const EapQtConfigInterface::EapBearerType bearer,

    const int iapId,

    const EapQtPluginInfo &plugin,

    const EapQtPluginHandle& outerHandle) :

        mConfigIf(NULL),

        mPluginInfo(plugin),

        mOuterHandle(outerHandle),

        mForm(NULL),

        mModel(NULL),

        mItemDataHelper(NULL),

        mGroupItem(NULL),

        mUsernameAutomatic(NULL),

        mUsername(NULL),

        mRealmAutomatic(NULL),

        mRealm(NULL),

        mValidatorRealm(NULL),

        mValidatorUsername(NULL)

{

    qDebug("CpEapSimAkaUi::CpEapSimAkaUi");

    // IAP must be valid in construction (check includes

    // EapQtConfigInterface::IapIdUndefined)

    if (iapId < 0) {

        QT_THROW(std::bad_alloc());

        // scoped pointer gets deleted automaticaly on exception

    }

    // Get EAP config interface

    mConfigIf.reset(new EapQtConfigInterface(bearer, iapId));

    createUi();

}

/*!

 * Destructor.

 */

CpEapSimAkaUi::~CpEapSimAkaUi()

{

    qDebug("CpEapSimAkaUi::~CpEapSimAkaUi");

    // mValidatorRealm, mValidatorUsername

    // mConfigIf: scoped pointer deleted automatically

}

/*!

 * Creates EAP-SIM/AKA UI and initilizes settings read via

 * EapQtConfigInterface

 */

void CpEapSimAkaUi::createUi()

{

    qDebug("CpEapSimAkaUi::createUi");

    // Read EAP Configurations

    bool configurationRead = mConfigIf->readConfiguration(mOuterHandle, mPluginInfo.pluginHandle(),

        mEapConfig);

    if (!configurationRead) {

        qDebug("CpEapSimAkaUi::initializeSimAkaUi - read configuration failed.");

    }

    // Construct EAP-SIM/AKA settings UI 

    mForm = new HbDataForm();

    this->setWidget(mForm);

    mModel = new HbDataFormModel(mForm);

        HbParameterLengthLimiter(

                mPluginInfo.localizationId()));

    mModel->appendDataFormItem(mGroupItem);

    // The parameter given as 0 is a HbDataForm pointer, not parent

    mItemDataHelper = new CpItemDataHelper(0);

    mItemDataHelper->setParent(this);

    // Create UI components

    createUsername();

    createRealm();

    mItemDataHelper->bindToForm(mForm);

    mForm->setModel(mModel);

    // Connect signal to add validators when items get activated (visualization created).

        SLOT( setValidator(const QModelIndex) ));

    Q_ASSERT(connected);

    // Expand EAP-SIM/AKA settings group

    mForm->setExpanded(mModel->indexFromItem(mGroupItem), true);

}

/*!

 * Creates Username group:

 * Generate automatically checkBox and username lineEdit

 */

void CpEapSimAkaUi::createUsername()

{

    qDebug("CpEapSimAkaUi::createUsername()");

    // UsernameAutomatic

    // Initialize the value from EapQtConfig

    // Generate username automatically is selected by default

    // Connect signal to disable/enable username when usernameAutomatic changed   

    mGroupItem->appendChild(mUsernameAutomatic);

    //Username

    mUsername->setContentWidgetData("text", mEapConfig.value(EapQtConfig::Username));

    // Dim username if usernameAutomatic selected

    usernameAutomaticChanged(mUsernameAutomatic->contentWidgetData("checkState") == Qt::Checked);

    mGroupItem->appendChild(mUsername);

}

/*!

 * Creates Realm group:

 * Generate automatically checkBox and realm lineEdit

 */

void CpEapSimAkaUi::createRealm()

{

    qDebug("CpEapSimAkaUi::createRealm()");

    // RealmAutomatic

    // Initialize the value from EapQtConfig

    // Generate realm automatically is selected by default

    // connect signal to disable/enable realm when realmAutomatic changed 

        SLOT(realmAutomaticChanged(int)));

    mGroupItem->appendChild(mRealmAutomatic);

    //Realm

    mRealm->setContentWidgetData("text", mEapConfig.value(EapQtConfig::Realm));

    // Dim realm if realmAutomatic selected

    realmAutomaticChanged(mRealmAutomatic->contentWidgetData("checkState") == Qt::Checked);

    mGroupItem->appendChild(mRealm);

}

/*!

 * Adds validators.

 * 

 * @param modelIndex Model index

 */

void CpEapSimAkaUi::setValidator(const QModelIndex modelIndex)

{

    qDebug("CpEapUserPasswordUi::itemActivated");

    HbDataFormViewItem *viewItem = qobject_cast<HbDataFormViewItem *>

        (mForm->itemByIndex(modelIndex));

    HbDataFormModelItem *modelItem = mModel->itemFromIndex(modelIndex);

    if (modelItem == mUsername) {

        // When username lineEdit is activated (shown) first time, validator is added

        HbLineEdit *edit = qobject_cast<HbLineEdit *> (viewItem->dataItemContentWidget());

        mValidatorUsername->updateEditor(edit);

    }

    else if (modelItem == mRealm) {

        // When realm lineEdit is activated (shown) first time, validator is added

                EapQtConfig::Realm));

        HbLineEdit *edit = qobject_cast<HbLineEdit *> (viewItem->dataItemContentWidget());

        mValidatorRealm->updateEditor(edit);

    }

}

/*!

 * This is called when user is about to exit the view.

 * Validates configuration and saves settings.

 * If configuration is not valid prompts question dialog.

 * If user chooses "OK" leaves without saving.

 * 

 */

void CpEapSimAkaUi::close()

{

    qDebug("CpEapSimAkaUi::close");

    // Validate configuration

    if (validate()) {

        qDebug("CpEapSimAkaUi::close - Validation OK");

        // Store settings

        if (storeSettings()){

            qDebug("CpEapSimAkaUi::close - Settings stored, close view");

            // Close view

            CpBaseSettingView::close();   

        }

        else {

            qDebug("CpEapSimAkaUi::close - Store settings failed, prompt warning");

            // Store failed. Show error note to user

            QScopedPointer<HbMessageBox> infoBox;

            infoBox->setAttribute(Qt::WA_DeleteOnClose);

            infoBox->setText(hbTrId("txt_occ_info_unable_to_save_setting"));

            infoBox->clearActions();

            // Connect 'OK'-button to CpBaseSettingView 'aboutToClose'-signal

            HbAction *okAction = new HbAction(hbTrId("txt_common_button_ok"));

            infoBox->addAction(okAction);

            bool connected = connect(

                okAction,

                SIGNAL(triggered()),

                this,

                SIGNAL(aboutToClose()));

            Q_ASSERT(connected);

            infoBox->open();

            infoBox.take();

        }

    }

    else {

        qDebug("CpEapSimAkaUi::close - validation failed. Prompt question.");

        QScopedPointer<HbMessageBox> messageBox;

        messageBox->setAttribute(Qt::WA_DeleteOnClose);

        messageBox->setText(hbTrId("txt_occ_info_incomplete_details_return_without_sa"));

        messageBox->clearActions();

        // Connect 'YES'-button to CpBaseSettingView 'aboutToClose'-signal

        HbAction *okAction = new HbAction(hbTrId("txt_common_button_yes"));

        messageBox->addAction(okAction);

        bool connected = connect(

            okAction,

            SIGNAL(triggered()),

            this,

            SIGNAL(aboutToClose()));

        Q_ASSERT(connected);

        // Clicking 'NO'-button does nothing

        HbAction *cancelAction = new HbAction(hbTrId("txt_common_button_no"));

        messageBox->addAction(cancelAction);

        messageBox->setTimeout(HbPopup::NoTimeout);

        messageBox->open();

        messageBox.take();

    }

}

/*!

 * Dims the realm if generate realm automatically has been selected.

 * 

 * @param state Tells is generate automatically checked.

 */

void CpEapSimAkaUi::realmAutomaticChanged(int state)

{

    qDebug("CpEapSimAkaUi::realmAutomaticChanged");

    mRealm->setContentWidgetData("enabled", !checkStateToBool(state));

}

/*!

 * Dims the username if generate username automatically has been selected.

 * 

 * @param state Tells is generate automatically checked.

 */

void CpEapSimAkaUi::usernameAutomaticChanged(int state)

{

    qDebug("CpEapSimAkaUi::usernameAutomaticChanged");

    mUsername->setContentWidgetData("enabled", !checkStateToBool(state));

}

/*!

 * Converts check box state to boolean.

 * 

 * @param state Check box state

 * 

 * @return true if Check box is checked, false otherwise.

 */

bool CpEapSimAkaUi::checkStateToBool(const int state)

{

    return (Qt::Unchecked == state ? false : true);

}

/*!

 * Converts boolean to check box state.

 * 

 * @param state Tells is check box checked.

 * 

 * @return Qt check state

 */

int CpEapSimAkaUi::boolToCheckState(const bool state)

{

    return (false == state ? Qt::Unchecked : Qt::Checked);

}

/*!

 * Validates settings configuration.

 * 

 * @return true if configuration OK, false otherwise.

 */

bool CpEapSimAkaUi::validate()

{

    bool valid = false;

    if (validateGroup(mUsername, mUsernameAutomatic, mValidatorUsername.data()) 

        && validateGroup(mRealm, mRealmAutomatic, mValidatorRealm.data())) {

        valid = true;

    }

    return valid;

}

/*!

 * Validates checkBox and lineEdit group.

 * 

 * @return true if OK, false otherwise.

 */

bool CpEapSimAkaUi::validateGroup(CpSettingFormItemData *edit, CpSettingFormItemData *checkBox,

    EapQtValidator *validator)

{

    bool status = false;

    // true if generate automatically is checked or given value is valid

    if (checkBox->contentWidgetData("checkState") == Qt::Checked

        || EapQtValidator::StatusOk == validator->validate(

            edit->contentWidgetData("text"))) {

        status = true;

    }

    return status;

}

/*!

 * Stores settings given via SIM-AKA configuration UI

 * 

 * @return false if saving failed, true otherwise

 */

bool CpEapSimAkaUi::storeSettings()

{

    qDebug("CpEapSimAkaUi::storeSettings");

    EapQtConfig eapConfig;

    // Save configuration

    if (!mConfigIf->saveConfiguration(mPluginInfo.pluginHandle(), eapConfig)) {

        qDebug("CpEapSimAkaUi::storeSettings - configuration saving failed.");

        return false;

    }

    return true;

}