/*

* 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:

*

*/

#include <QGraphicsLinearLayout>

#include <HbPushButton>

#include <HbDialog>

#include <HbLabel>

#include <HbDateTimePicker>

#include <HbAction>

#include <HbExtendedLocale>

#include <HbStringUtil>

#include "nmipssettingstimeeditor.h"

/*!

    \class NmIpsSettingsTimeEditor

    \brief The class implements a custom HbDataFormViewItem for selecting time with a tumbler.

*/

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

/*!

    Constructor of NmIpsSettingsTimeEditor.

*/

NmIpsSettingsTimeEditor::NmIpsSettingsTimeEditor(QGraphicsItem *parent, Qt::WindowFlags wFlags)

    : HbWidget(parent, wFlags),

      mButton(0),

      mTimePickerDialog(0),

      mPrimaryAction(0)

{

    // Create widget layout.

    QGraphicsLinearLayout* layout = new QGraphicsLinearLayout(Qt::Vertical);

    layout->setContentsMargins(0,0,0,0);

    this->setLayout(layout); // Takes ownership

    // Create label.

    mButton = new HbPushButton();

    layout->addItem(mButton); // Takes ownership

    connect( mButton, SIGNAL(clicked()), this, SLOT(launchTimePicker()));

}

/*!

    Destructor of NmIpsSettingsTimeEditor.

*/

NmIpsSettingsTimeEditor::~NmIpsSettingsTimeEditor()

{

    delete mTimePickerDialog;

}

/*!

    Returns the currently set time.

    \return The time.

 */

QTime NmIpsSettingsTimeEditor::time() const

{

    return mTime;

}

/*!

    Sets the current time.

    \param time The time to set.

 */

void NmIpsSettingsTimeEditor::setTime(QTime time)

{

    mTime = time;

    HbExtendedLocale locale(HbExtendedLocale::system());

    mButton->setText(HbStringUtil::convertDigits(locale.format( mTime, r_qtn_time_usual )));

}

/*!

    Returns the selection dialog heading label.

    \return The heading label.

 */

QString NmIpsSettingsTimeEditor::heading() const

    {

    return mLabel;

    }

/*!

    Sets the time selection dialog heading label.

    \param label The label to set.

 */

void NmIpsSettingsTimeEditor::setHeading(QString label)

{

    mLabel = label;

}

/*!

    Launches the time picker dialog.

 */

void NmIpsSettingsTimeEditor::launchTimePicker()

{

    if (mTimePickerDialog) {

        delete mTimePickerDialog;

        mTimePickerDialog = 0;

    }

    // Create the dialog.

    mTimePickerDialog = new HbDialog();

    mTimePickerDialog->setTimeout(HbDialog::NoTimeout);

    mTimePickerDialog->setDismissPolicy(HbDialog::NoDismiss);

    // Set the heading for the dialog.

    HbLabel *timeLabel = new HbLabel(mLabel, mTimePickerDialog);

    mTimePickerDialog->setHeadingWidget(timeLabel);

    // Create the tumbler.

    HbDateTimePicker *timePicker = new HbDateTimePicker(mTimePickerDialog);

    // Set the tumbler as the content widget.

    mTimePickerDialog->setContentWidget(timePicker);

    // Set tumbler data.

    timePicker->setDisplayFormat(timeFormat());

    timePicker->setTime(mTime);

    // Set dialog actions.

    HbAction *okAction = new HbAction(QString(hbTrId("txt_common_button_ok")), mTimePickerDialog);

    mTimePickerDialog->addAction(okAction);

    mPrimaryAction = okAction;

    HbAction *cancelAction = new HbAction(QString(hbTrId("txt_common_button_cancel")), 

                                          mTimePickerDialog);

    mTimePickerDialog->addAction(cancelAction);

    // Show the dialog.

    mTimePickerDialog->open(this, SLOT(handleTimeAction(HbAction *)));

}

/*!

    Handles the action from the time picker dialog.

 */

void NmIpsSettingsTimeEditor::handleTimeAction(HbAction *action)

{

    if (action==mPrimaryAction) {

        // Get the time from the picker.

        QTime newTime = static_cast<HbDateTimePicker *> (mTimePickerDialog->contentWidget())->time();

        // Store the new time.

        setTime(newTime);

        // Emit the signal.

        emit timeChanged(newTime);

    }

}

/*!

    Returns locale specific formatting string for hours and minutes.

    \return Time format string.

*/

QString NmIpsSettingsTimeEditor::timeFormat()

{

    // Set the correct time format string based on locale.

    HbExtendedLocale locale = HbExtendedLocale::system();

    QString timeFormat("h:mm ap");

    if (HbExtendedLocale::Time24 == locale.timeStyle()) {

        timeFormat = QString("h:mm");

    }

    // Set the separator between hours and minutes.

    timeFormat.replace(QString(":"), locale.timeSeparator(1));

    return timeFormat;

}