/****************************************************************************

**

** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (developer.feedback@nokia.com)

**

** This file is part of the HbInput module of the UI Extensions for Mobile.

**

** GNU Lesser General Public License Usage

** This file may be used under the terms of the GNU Lesser General Public

** License version 2.1 as published by the Free Software Foundation and

** appearing in the file LICENSE.LGPL included in the packaging of this file.

** Please review the following information to ensure the GNU Lesser General

** Public License version 2.1 requirements will be met:

** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

**

** In addition, as a special exception, Nokia gives you certain additional

** rights.  These rights are described in the Nokia Qt LGPL Exception

** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

**

** If you have questions regarding the use of this file, please contact

** Nokia at developer.feedback@nokia.com.

**

****************************************************************************/

#include <hblistwidget.h>

#include <hblistwidgetitem.h>

#include <hbdataformmodelitem.h>

#include <hbdataformmodel.h>

#include "hbinputcheckboxlist_p.h"

/// @cond

class HbInputCheckBoxListPrivate

{

public:

    HbListWidget *mListWidget;

};

/// @endcond

/*!

Constructs checkbox list

*/

HbInputCheckBoxList::HbInputCheckBoxList(QGraphicsItem *parent)

 : HbDataFormViewItem(parent), d_ptr(new HbInputCheckBoxListPrivate())

{

}

/*!

Destructs checkbox list

*/

HbInputCheckBoxList::~HbInputCheckBoxList()

{

    delete d_ptr;

}

/*!

Returns a new copy of this object

*/

HbAbstractViewItem* HbInputCheckBoxList::createItem()

{

    return new HbInputCheckBoxList(*this);

}

/*!

\reimp

Returns true if \a model index is supported, otherwise returns false.

 */

bool HbInputCheckBoxList::canSetModelIndex(const QModelIndex &index) const

{

    HbDataFormModelItem::DataItemType itemType = 

        static_cast<HbDataFormModelItem::DataItemType>(index.data(HbDataFormModelItem::ItemTypeRole).toInt());

    if(itemType == HbDataFormModelItem::CustomItemBase) {

        return true;

    } else {

        return false;

    }

}

/*!

Updates the selected items to the model

*/

void HbInputCheckBoxList::itemActivated(const QModelIndex &index)

{

    Q_D(HbInputCheckBoxList);

    QModelIndex itemIndex = modelIndex();

    HbDataFormModelItem *modelItem = static_cast<HbDataFormModelItem*>(

        static_cast<HbDataFormModel*>(itemView()->model())->itemFromIndex(itemIndex));

    QList<QVariant> selectedValues = modelItem->contentWidgetData(QString("selectedItems")).toList();

    selectedValues.replace(index.row(), !selectedValues.at(index.row()).toBool());

    modelItem->setContentWidgetData(QString("selectedItems"), selectedValues);

    HbAbstractViewItem *viewItem = d->mListWidget->viewItem(index.row());

    if (selectedValues.at(index.row()).toBool()) {

        d->mListWidget->setCurrentIndex(viewItem->modelIndex(), QItemSelectionModel::Select);

    } else {

        d->mListWidget->setCurrentIndex(viewItem->modelIndex(), QItemSelectionModel::Deselect);

    }

 }

/*!

Creates a widget for showing checkbox list

*/

HbWidget* HbInputCheckBoxList::createCustomWidget()

{

    Q_D(HbInputCheckBoxList);

    QModelIndex itemIndex = modelIndex();

    HbDataFormModelItem *modelItem = static_cast<HbDataFormModelItem*>(

        static_cast<HbDataFormModel*>(itemView()->model())->itemFromIndex(itemIndex));

    d->mListWidget = new HbListWidget();

    d->mListWidget->setSelectionMode(HbAbstractItemView::MultiSelection);

    d->mListWidget->contentWidget()->setContentsMargins(10, 10, 10, 10);

    d->mListWidget->setBackgroundItem(HbStyle::P_DataItem_background);

    QStringList items = modelItem->contentWidgetData(QString("items")).toStringList();

    foreach(QString itemName, items) {

        HbListWidgetItem *item = new HbListWidgetItem();

        item->setData(QVariant(itemName), Qt::DisplayRole);

        d->mListWidget->addItem(item);

    }

    QList<QVariant> selectedValues = modelItem->contentWidgetData(QString("selectedItems")).toList();

    for (int i = 0; i < d->mListWidget->count(); ++i) {

        if (selectedValues.at(i).toBool()) {

            HbAbstractViewItem *viewItem = d->mListWidget->viewItem(i);

            d->mListWidget->setCurrentIndex(viewItem->modelIndex(), QItemSelectionModel::Select);

        }

    }

    QString objectName = modelItem->contentWidgetData(QString("objectName")).toString();

    d->mListWidget->setObjectName(objectName);

    connect(d->mListWidget, SIGNAL(activated(const QModelIndex &)), this, SLOT(itemActivated(const QModelIndex &)));

    return d->mListWidget;    

}

/*!

Copy constructor for private use.

*/

HbInputCheckBoxList::HbInputCheckBoxList(const HbInputCheckBoxList &other)

 : HbDataFormViewItem(other), d_ptr(new HbInputCheckBoxListPrivate())

{

}

// End of file