/*

* 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.h>

#include <hbcombobox.h>

#include <hblabel.h>

#include "nmipssettingslabeledcombobox.h"

/*!

    \class NmIpsSettingsLabelItem

    \brief The class implements a custom HbDataFormViewItem that combines a HbComboBox and HbLabel

    widgets that are linked. I.e. When the user selects changes the combobox's value, the label

    text is updated accordingly.

*/

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

/*!

    Constructor of NmIpsSettingsLabeledComboBox.

*/

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

: HbWidget(parent, wFlags)

{

    // Create widget layout.

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

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

    // Create combobox.

    mComboBox = new HbComboBox();

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

    // Create label.

    mLabel = new HbLabel();

    mLabel->setElideMode(Qt::ElideNone);

    mLabel->setTextWrapping(Hb::TextWordWrap);

    HbFontSpec spec(HbFontSpec::PrimarySmall);

    mLabel->setFontSpec(spec);

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

    // Connect signals and slots.

    connect(mComboBox, SIGNAL(currentIndexChanged(int)), 

        this, SLOT(comboBoxIndexChanged(int)), Qt::UniqueConnection);

    connect(mComboBox, SIGNAL(currentIndexChanged(int)), 

        this, SIGNAL(currentIndexChanged(int)), Qt::UniqueConnection);

}

/*!

    Destructor of NmIpsSettingsLabeledComboBox.

*/

NmIpsSettingsLabeledComboBox::~NmIpsSettingsLabeledComboBox()

{

}

/*!

    Sets the current combobox index.

    \param index Combobox index to set.

*/

void NmIpsSettingsLabeledComboBox::setCurrentIndex(int index)

{

    // Change is not signaled outside via currentIndexChanged.

    disconnect(mComboBox, SIGNAL(currentIndexChanged(int)), 

        this, SIGNAL(currentIndexChanged(int)));

    mComboBox->setCurrentIndex(index);

    // Force refreshing the label text when the new index is same as current index.

    if (mComboBox->currentIndex() == index) {

        comboBoxIndexChanged(index);

        }

    // Reconnect the slot to signal changes outside.

    connect(mComboBox, SIGNAL(currentIndexChanged(int)),

            this, SIGNAL(currentIndexChanged(int)), Qt::UniqueConnection);

}

/*!

    Sets the combobox items and corresponding texts for the label.

    \param texts Item texts.

*/

void NmIpsSettingsLabeledComboBox::setItems(QStringList comboBoxItems,

                                            QStringList texts)

{

    // Set the combobox items without signaling index change.

    disconnect(mComboBox, SIGNAL(currentIndexChanged(int)), 

        this, SIGNAL(currentIndexChanged(int)));

    mComboBox->setItems(comboBoxItems);

    connect(mComboBox, SIGNAL(currentIndexChanged(int)),

        this, SIGNAL(currentIndexChanged(int)), Qt::UniqueConnection);

    // Set the corresponding texts for the label.

    mLabelTexts.clear();

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

        mLabelTexts.insert(i, texts.at(i));

    }

}

/*!

    Updates the label text based on the combobox's value.

    \param index Current combobox index.

*/

void NmIpsSettingsLabeledComboBox::comboBoxIndexChanged(int index)

{

    mLabel->setPlainText(mLabelTexts.value(index));

}