/*

* 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:  View item implementation for list entry item.

*

*/

#include "cpdataformlistentryviewitem.h"

#ifdef HB_EFFECTS

    #include "hbeffect.h"

#endif

#ifdef HB_GESTURE_FW

    #include <hbtapgesture.h>

    #include <hbframeitem.h>

#endif

#include <hbdataformmodel.h>

#include <hbdataformmodelitem.h>

#include <hbabstractitemview.h>

#include <cpsettingformentryitemdata.h>

#define CP_DATAFORMLISTENTRYVIEWITEM QLatin1String("cpdataformlistentryviewitem")

/**

 * Constructor

 */

CpDataFormListEntryViewItem::CpDataFormListEntryViewItem(QGraphicsItem *parent) : 

    HbDataFormViewItem(parent)

{

    // Add effeect just like item in HbListView

#ifdef HB_EFFECTS       

    HbEffect::add(CP_DATAFORMLISTENTRYVIEWITEM + "-focus", "listviewitem_press", "pressed");

    HbEffect::add(CP_DATAFORMLISTENTRYVIEWITEM + "-focus", "listviewitem_release", "released");

#endif

}

/**

 * Destructor

 */

CpDataFormListEntryViewItem::~CpDataFormListEntryViewItem()

{

}

/**

 * Reimplement by CpDataFormListEntryViewItem, this function return a instance copy.

 */

HbAbstractViewItem* CpDataFormListEntryViewItem::createItem()

{

    return new CpDataFormListEntryViewItem(*this);

}

/**

 * Reimplement by CpDataFormListEntryViewItem, return true when the model item type is 

 * ListEntryItem

 */

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

{

    HbDataFormModelItem::DataItemType itemType = 

        static_cast<HbDataFormModelItem::DataItemType>( 

                index.data(HbDataFormModelItem::ItemTypeRole).toInt());

    return ( itemType == CpSettingFormEntryItemData::ListEntryItem );

}

/**

 * Reimplement by CpDataFormListEntryViewItem

 * No content widget in custom list item. So return a null pointer directly

 */

HbWidget* CpDataFormListEntryViewItem::createCustomWidget()

{

    // Don't need to create any widget

    return 0;

}

/**

 * Reimplement by CpDataFormListEntryViewItem. Change the description property for 

 * custom list item.

 */

void CpDataFormListEntryViewItem::restore()

{

    HbDataFormModelItem::DataItemType itemType =

        static_cast<HbDataFormModelItem::DataItemType> (modelIndex().data(

            HbDataFormModelItem::ItemTypeRole).toInt());

    if (itemType == CpSettingFormEntryItemData::ListEntryItem) {

        QModelIndex itemIndex = modelIndex();

        HbDataFormModel *model = qobject_cast<HbDataFormModel*> (itemView()->model());

        if (model) {

            HbDataFormModelItem *modelItem = model->itemFromIndex(itemIndex);

            if (modelItem->data(HbDataFormModelItem::DescriptionRole).toString().isEmpty()) {

                this->setProperty("hasDescription", false);

            }

            else {

                this->setProperty("hasDescription", true);

            }    

        }        

    }

    HbDataFormViewItem::restore();

}

/**

 * Reimplement by CpDataFormListEntryViewItem, provide the effect when pressing list item

 */

void CpDataFormListEntryViewItem::pressStateChanged(bool pressed, bool animate)

{

#ifdef HB_EFFECTS

    QGraphicsItem *focusItem =  primitive("dataItem_Background");

    bool doAnimate = animate;

    if (pressed) {

        if (doAnimate) {

            HbEffect::cancel(this, "released");

            HbEffect::cancel(focusItem, "released");

            HbEffect::start(this, CP_DATAFORMLISTENTRYVIEWITEM, "pressed");

            HbEffect::start(focusItem, CP_DATAFORMLISTENTRYVIEWITEM + QString("-focus"), "pressed");

        }

    } else {

        if (doAnimate) {

            HbEffect::cancel(this, "pressed");

            HbEffect::cancel(focusItem, "pressed");

            HbEffect::start(this, CP_DATAFORMLISTENTRYVIEWITEM, "released");

            HbEffect::start(focusItem, CP_DATAFORMLISTENTRYVIEWITEM + QString("-focus"), "released");

        } else {

            HbEffect::cancel(this, "pressed");

            HbEffect::start(this, CP_DATAFORMLISTENTRYVIEWITEM, "released");

            if (focusItem) {

                HbEffect::cancel(focusItem, "pressed");

                HbEffect::start(focusItem, CP_DATAFORMLISTENTRYVIEWITEM + QString("-focus"), "released", this);

            }

        }

    }

#endif

}

#ifdef HB_GESTURE_FW

/**

 * Reimplement by CpDataFormListEntryViewItem, set different graphics for list item's gesture

 */

void CpDataFormListEntryViewItem::gestureEvent(QGestureEvent *event)

{

    HbFrameItem *backgroundItem = static_cast<HbFrameItem*> ( primitive("dataItem_Background") );

    HbTapGesture *tap = qobject_cast<HbTapGesture *>(event->gesture(Qt::TapGesture));

    if(backgroundItem && tap) {

        switch(tap->state()) {

        case Qt::GestureStarted: {

                // Set the pressed state

                backgroundItem->frameDrawer().setFrameGraphicsName(QLatin1String("qtg_fr_list_pressed"));

            }

            break;

        case Qt::GestureUpdated: {

            }

            break;

        case Qt::GestureCanceled: {

                // Set the normal state

                backgroundItem->frameDrawer().setFrameGraphicsName(QLatin1String("qtg_fr_list_normal"));

            }

            break;

        case Qt::GestureFinished: {

                // Set the normal state

                backgroundItem->frameDrawer().setFrameGraphicsName(QLatin1String("qtg_fr_list_normal"));

            }

            break;

        default:

            break;

        }

    }

    HbDataFormViewItem::gestureEvent( event );

}

#endif

//End of File