/*

* 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:

* Implementation file for class ClockSettingsView.

*

*/

// System includes

#include <HbInstance>

#include <HbDataForm>

#include <HbAction>

#include <HbDataFormModel>

#include <HbDataFormModelItem>

#include <HbLabel>

#include <HbPushButton>

#include <HbCheckBox>

#include <HbApplication>

#include <QTranslator>

#include <xqsettingsmanager.h>

#include <xqsettingskey.h>

#include <clockdomaincrkeys.h>

// User includes

#include "clocksettingsview.h"

#include "clocksettingsdefines.h"

#include "clocksettingsdocloader.h"

#include "settingsutility.h"

#include "timezoneclient.h"

#include "settingsdatatypes.h"

#include "settingscustomitem.h"

/*!

	\class ClockSettingsView

	This implements the clock settings which allows user to set the

	date, time, location and other related parameters.

 */

/*!

	Constructor.

	\param parent The parent of type QGraphicsWidget.

 */

ClockSettingsView::ClockSettingsView(QObject *parent)

:QObject(parent)

{

	qDebug("clock: ClockSettingsView::ClockSettingsView() -->");

	// Load the translation file and install the editor specific translator

    mTranslator = new QTranslator;

    //QString lang = QLocale::system().name();

    //QString path = "Z:/resource/qt/translations/";

    mTranslator->load("clocksettingsview",":/translations");

    // TODO: Load the appropriate .qm file based on locale

    //bool loaded = mTranslator->load("caleneditor_" + lang, path);

    HbApplication::instance()->installTranslator(mTranslator);

	// Construct the settings utility.

	mSettingsUtility = new SettingsUtility();

	// Construct the timezone client.

	mTimezoneClient = TimezoneClient::getInstance();

	connect(

			mTimezoneClient, SIGNAL(timechanged()),

			this, SLOT(updatePlaceItem()));

	connect(

			mTimezoneClient, SIGNAL(timechanged()),

			this, SLOT(updateDateItem()));

	connect(

			mTimezoneClient, SIGNAL(timechanged()),

			this, SLOT(updateTimeItem()));

	connect(

			mTimezoneClient, SIGNAL(autoTimeUpdateChanged(int)),

			this, SLOT(handleAutoTimeUpdateChange(int)));

	connect(

			mTimezoneClient, SIGNAL(cityUpdated()),

			this, SLOT(updatePlaceItem()));

	// Start a timer. For updating the remaining alarm time.

	mTickTimer = new QTimer(this);

	connect(

			mTickTimer, SIGNAL(timeout()),

			this, SLOT(updateTimeItem()));

	// Create the settings manager.

	mSettingsManager = new XQSettingsManager(this);

	// Create the key for alarm snooze time.

	mAlarmSnoozeTimeKey = new XQSettingsKey(

			XQSettingsKey::TargetCentralRepository,

			KCRUidClockApp,

			KClockAppSnoozeTime);

	// Start the monitoring for the alarm snooze time key.

	mSettingsManager->startMonitoring(*mAlarmSnoozeTimeKey);

	// Listen to the key value changes.

	connect(

			mSettingsManager, SIGNAL(valueChanged(XQSettingsKey, QVariant)),

			this, SLOT(eventMonitor(XQSettingsKey, QVariant)));

}

/*!

	Destructor.

 */

ClockSettingsView::~ClockSettingsView()

{

	if (mDocLoader) {

		delete mDocLoader;

	}

	// Remove the translator

    HbApplication::instance()->removeTranslator(mTranslator);

    if (mTranslator) {

        delete mTranslator;

        mTranslator = 0;

    }

	if (!mTimezoneClient->isNull()) {

	    mTimezoneClient->deleteInstance();

    }

}

/*!

	Loads the settings view from the docml.

 */

void ClockSettingsView::loadSettingsView()

{

	bool loadSuccess;

	// Construct the document loader instance

	mDocLoader = new ClockSettingsDocLoader();

	// Load the application xml.

	mDocLoader->load(CLOCK_SETTINGS_VIEW_DOCML, &loadSuccess);

	// Load the correct section based on orientation.

	HbMainWindow *window = hbInstance->allMainWindows().first();

	Qt::Orientation currentOrientation = window->orientation();

	if (Qt::Vertical == currentOrientation) {

		// Load portrait section.

		mDocLoader->load(

				CLOCK_SETTINGS_VIEW_DOCML,

				CLOCK_SETTINGS_VIEW_PORTRAIT_SECTION,

				&loadSuccess);

	} else {

		// Load landscape section.

		mDocLoader->load(

				CLOCK_SETTINGS_VIEW_DOCML,

				CLOCK_SETTINGS_VIEW_LANDSCAPE_SECTION,

				&loadSuccess);

	}

	// Connect the required signals.

	connect(

			window, SIGNAL(orientationChanged(Qt::Orientation)),

			this, SLOT(handleOrientationChanged(Qt::Orientation)));

	// Find the main view.

	mSettingsView = static_cast<HbView *> (

			mDocLoader->findWidget(CLOCK_SETTINGS_VIEW));

	// Setup the view.

	setupView();

}

/*!

	Slot to handle the back action of the view.

 */

void ClockSettingsView::handleBackAction()

{

	HbMainWindow *window = hbInstance->allMainWindows().first();

	window->removeView(mSettingsView);

	deleteLater();

}

/*!

	Updates the zone info in the place item field.

 */

void ClockSettingsView::updatePlaceItem()

{

	// Get the current zone info.

	LocationInfo currentZoneInfo = mTimezoneClient->getCurrentZoneInfoL();

	if (mTimezoneClient->timeUpdateOn()) {

		mPlaceDataFormItem->setContentWidgetData(

				"text", currentZoneInfo.countryName);

	} else {

		QString placeInfo = currentZoneInfo.cityName

				+ tr(", ") + currentZoneInfo.countryName;

		mPlaceDataFormItem->setContentWidgetData("text", placeInfo);

	}

}

/*!

	Slot to update the display of the date settings item field.

 */

void ClockSettingsView::updateDateItem()

{

	mDateDataFormItem->setContentWidgetData("text", mSettingsUtility->date());

}

/*!

	Slot to update the display of the time settings item field.

 */

void ClockSettingsView::updateTimeItem()

{

	if (!mTickTimer->isActive()) {

		mTickTimer->stop();

    }

	mTimeDataFormItem->setContentWidgetData("text", mSettingsUtility->time());

	// Start the timer again.

	mTickTimer->start(60000 - 1000 * QTime::currentTime().second());

}

/*!

	This slot is called whenever orientattion of the view changes.

 */

void ClockSettingsView::handleOrientationChanged(Qt::Orientation orientation)

{

	bool success; 

	// If horizontal, load the landscape section. 

	if (Qt::Horizontal == orientation) { 

		mDocLoader->load( 

				CLOCK_SETTINGS_VIEW_DOCML,

				CLOCK_SETTINGS_VIEW_LANDSCAPE_SECTION, 

				&success); 

	} else if (Qt::Vertical == orientation) { 

		mDocLoader->load( 

				CLOCK_SETTINGS_VIEW_DOCML,

				CLOCK_SETTINGS_VIEW_PORTRAIT_SECTION,

				&success); 

	} 

}

void ClockSettingsView::handleNetworkTimeStateChange(int state)

{

	bool cenrepValue = mTimezoneClient->timeUpdateOn();

	if ((Qt::Checked == state && !cenrepValue)

			|| (Qt::Unchecked == state && cenrepValue)) {

		if (Qt::Checked == state) {

			// Update the cenrep value.

			mTimezoneClient->setTimeUpdateOn(true);

		} else if (Qt::Unchecked == state) {

			// Update the cenrep value.

			mTimezoneClient->setTimeUpdateOn(false);

		}

	}

}

/*!

	Called after loading the view from the docml.

	The initializaion/setup of the view is done here.

	\param docLoader Pointer to ClockSettingsDocLoader object.

 */

void ClockSettingsView::setupView()

{

	HbMainWindow *window = hbInstance->allMainWindows().first();

	window->addView(mSettingsView);

	window->setCurrentView(mSettingsView);

	// Add the back softkey.

	mBackAction = new HbAction(Hb::BackNaviAction);

	mSettingsView->setNavigationAction(mBackAction);

	connect(

			mBackAction, SIGNAL(triggered()),

			this, SLOT(handleBackAction()));

	// Get the data form.

	mSettingsForm = static_cast<HbDataForm *> (

			mDocLoader->findWidget(CLOCK_SETTINGS_DATA_FORM));

	// Create the custom prototype.

	QList <HbAbstractViewItem*> prototypes = mSettingsForm->itemPrototypes();

	SettingsCustomItem *customPrototype = new SettingsCustomItem();

	prototypes.append(customPrototype);

	mSettingsForm->setItemPrototypes(prototypes);

	// Create the model.

	createModel();

	updatePlaceItem();

	mTickTimer->start(60000 - 1000 * QTime::currentTime().second());

}

/*!

	Creates the model for the settings form.

 */

void ClockSettingsView::createModel()

{

	// Remove the model.

	if (mSettingsForm->model()) {

		delete mSettingsForm->model();

		mSettingsForm->setModel(0);

	}

	// Create a model and set it.

	mSettingsModel = new HbDataFormModel();

	// Add the items to the view.

	populateModel();

	mSettingsForm->setModel(mSettingsModel);

}

/*!

	Poplulates the item in the model.

 */

void ClockSettingsView::populateModel()

{

	if (!mSettingsModel) {

		createModel();

	}

	// Add the network time update item.

	mNetworkTimeItem = mSettingsModel->appendDataFormItem(

			HbDataFormModelItem::CheckBoxItem, "");

	bool networkTime = mTimezoneClient->timeUpdateOn();

	Qt::CheckState state = Qt::Unchecked;

	if (networkTime) {

		state = Qt::Checked;

	}

	mNetworkTimeItem->setContentWidgetData(

			"checkState", state);

	mNetworkTimeItem->setContentWidgetData(

			"text", QString(hbTrId("txt_clk_setlabel_use_network_date_time")));

	mSettingsForm->addConnection(

			mNetworkTimeItem, SIGNAL(stateChanged(int)),

			this, SLOT(handleNetworkTimeStateChange(int)));

	// Add the time item.

	// Custom data type for adding a time button to the data form.

	HbDataFormModelItem::DataItemType timeItemType =

			static_cast<HbDataFormModelItem::DataItemType>

			(HbDataFormModelItem::CustomItemBase + TimeItem);

	mTimeDataFormItem = mSettingsModel->appendDataFormItem(

			timeItemType, QString(hbTrId("txt_clock_setlabel_time")));

	mTimeDataFormItem->setContentWidgetData("text", mSettingsUtility->time());

	// Add the date item.

	// Custom data type for adding a time button to the data form.

	HbDataFormModelItem::DataItemType dateItemType =

			static_cast<HbDataFormModelItem::DataItemType>

			(HbDataFormModelItem::CustomItemBase + DateItem);

	mDateDataFormItem = mSettingsModel->appendDataFormItem(

			dateItemType, QString(hbTrId("txt_clock_setlabel_date")));

	mDateDataFormItem->setContentWidgetData("text", mSettingsUtility->date());

	// Add the place item.

	HbDataFormModelItem::DataItemType placeItemType =

			static_cast<HbDataFormModelItem::DataItemType>

			(HbDataFormModelItem::CustomItemBase + PlaceItem);

	mPlaceDataFormItem = mSettingsModel->appendDataFormItem(

			placeItemType, QString(hbTrId("txt_clock_formlabel_place")));

	LocationInfo currentZoneInfo = mTimezoneClient->getCurrentZoneInfoL();

	QString placeItemText("");

	if (Qt::Unchecked == state) {

		placeItemText.append(currentZoneInfo.cityName);

		placeItemText+= tr(", ");

	}

	placeItemText.append(currentZoneInfo.countryName);

	mPlaceDataFormItem->setContentWidgetData("text", placeItemText);

	if (networkTime) {

		mTimeDataFormItem->setEnabled(false);

		mDateDataFormItem->setEnabled(false);

		mPlaceDataFormItem->setEnabled(false);

	} else {

		mTimeDataFormItem->setEnabled(true);

		mDateDataFormItem->setEnabled(true);

		mPlaceDataFormItem->setEnabled(true);

	}

	// Add the regional settings item.

	HbDataFormModelItem::DataItemType regionalSettingsItem =

			static_cast<HbDataFormModelItem::DataItemType>

			(HbDataFormModelItem::CustomItemBase + RegionalSettingsItem);

	mSettingsModel->appendDataFormItem(regionalSettingsItem);

	// Add the alarm snooze time item.

	mAlarmSnoozeItem = mSettingsModel->appendDataFormItem(

			HbDataFormModelItem::ComboBoxItem,

			hbTrId("txt_clock_setlabel_alarm_snooze_time"));

	QStringList alramSnoozeTimes;

	alramSnoozeTimes << hbTrId("txt_clock_set_ln_mins", 5)

			<< hbTrId("txt_clock_set_ln_mins", 10)

			<< hbTrId("txt_clock_set_ln_mins", 15)

			<< hbTrId("txt_clock_set_ln_mins", 30);

	// Build the hash map for the reminder.

	mAlarmSnoozeTimeHash[0] = 5;

	mAlarmSnoozeTimeHash[1] = 10;

	mAlarmSnoozeTimeHash[2] = 15;

	mAlarmSnoozeTimeHash[3] = 30;

	mAlarmSnoozeItem->setContentWidgetData("items", alramSnoozeTimes);

	QVariant value = mSettingsManager->readItemValue(*mAlarmSnoozeTimeKey);

	bool success;

	int index;

	int alarmSnoozeTime = value.toInt(&success);

	if (success) {

		index = mAlarmSnoozeTimeHash.key(alarmSnoozeTime);

	} else {

		index = mAlarmSnoozeTimeHash.key(15);

	}

	mAlarmSnoozeItem->setContentWidgetData("currentIndex", index);

	mSettingsForm->addConnection(

			mAlarmSnoozeItem, SIGNAL(currentIndexChanged(int)),

			this, SLOT(handleAlarmSnoozeTimeChanged(int)));

}

/*!

	Slot which handles the auto time update value changes in cenrep.

	/param value New value of the auto time update.

 */

void ClockSettingsView::handleAutoTimeUpdateChange(int value)

{

	int state = (mNetworkTimeItem->contentWidgetData("checkState")).toInt();

	if (value) {

		// Disable the time, date and place item.

		if (mTimeDataFormItem) {

			mTimeDataFormItem->setEnabled(false);

		}

		if (mDateDataFormItem) {

			mDateDataFormItem->setEnabled(false);

		}

		if (mPlaceDataFormItem) {

			mPlaceDataFormItem->setEnabled(false);

		}

		if (Qt::Unchecked == state) {

			mNetworkTimeItem->setContentWidgetData(

						"checkState", Qt::Checked);

		}

	} else {

		// Enable the time, date and place item.

		if (mTimeDataFormItem) {

			mTimeDataFormItem->setEnabled(true);

		}

		if (mDateDataFormItem) {

			mDateDataFormItem->setEnabled(true);

		}

		if (mPlaceDataFormItem) {

			mPlaceDataFormItem->setEnabled(true);

		}

		if (Qt::Checked == state) {

			mNetworkTimeItem->setContentWidgetData(

						"checkState", Qt::Unchecked);

		}

	}

	updatePlaceItem();

}

/*!

	Slot which handles the alarm snooze time changes.

	/param value New index of the alarm snooze time.

 */

void ClockSettingsView::handleAlarmSnoozeTimeChanged(int index)

{

	if (mAlarmSnoozeTimeHash.value(index)) {

		mSettingsManager->writeItemValue(

				*mAlarmSnoozeTimeKey, mAlarmSnoozeTimeHash.value(index));

	}

}

/*!

	Slot which is called when the value changes in cenrep.

	\param key The key which got changed in cenrep.

	\param value The new value of that key.

 */

void ClockSettingsView::eventMonitor(

		const XQSettingsKey& key, const QVariant& value)

{

	if (key.uid() == KCRUidClockApp && key.key() == KClockAppSnoozeTime) {

		if (mSettingsManager->error() == XQSettingsManager::NoError) {

			bool success;

			int alarmSnoozeTime = value.toInt(&success);

			if (success) {

				mAlarmSnoozeItem->setContentWidgetData(

						"currentIndex", mAlarmSnoozeTimeHash.key(

								alarmSnoozeTime));

			}

		}

	}