/*

* 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 "usbsettingsapp.h"

#include <hblistviewitem.h>

#include <QItemSelectionModel>

#include <hbstyleloader.h>

#include <hbdocumentloader.h>

#include <hbview.h>

#include <hblistview.h>

#include <hbgroupbox.h>

#include "usbuisettingmodel.h"

#include "usbdebug.h"

#define DOCML ":/xml/usbsettingsapp.docml"

USBSettingsApp::USBSettingsApp(QWidget *parent)

    : HbMainWindow(parent), mView(NULL), mListViewItem(NULL)

{

    myDebug() << ">>> USBSettingsApp::USBSettingsApp";

    //Init the document loader and we load the view

    mModel = new UsbUiSettingModel(this);

    mSelectionModel = new QItemSelectionModel(mModel);

    mDocumentLoader = new HbDocumentLoader();

    connect(this, SIGNAL(orientationChanged(Qt::Orientation)),

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

    load(orientation());

    myDebug() << "<<< USBSettingsApp::USBSettingsApp";

}

USBSettingsApp::~USBSettingsApp()

{

    myDebug() << ">>> USBSettingsApp::~USBSettingsApp";

    delete mView;

    delete mModel;

    delete mDocumentLoader;

    myDebug() << "<<< USBSettingsApp::~USBSettingsApp";

}

/*!

loads the DOCML and build the view by finding the widgets from it 

*/

void USBSettingsApp::load(Qt::Orientation orientation) 

{

    myDebug() << ">>> USBSettingsApp::load";

    bool loaded = true;

   //Sets loader to initial state

    mDocumentLoader->reset();

    //Load the common section

    mDocumentLoader->load(DOCML, &loaded);

    //Loads the view

    if ( loaded ) {

        myDebug() << "    USBSettingsApp::load DOCML loaded";

        QGraphicsWidget *widget = mDocumentLoader->findWidget(QString("view"));

        if (widget) {

            myDebug() << "    USBSettingsApp::load view found";

            mView = qobject_cast<HbView*>(widget);

            this->addView(mView);

            this->setCurrentView(mView);

        }

        QGraphicsWidget *listViewWidget = mDocumentLoader->findWidget(QString("listView"));

        if (listViewWidget) {

            myDebug() << "    USBSettingsApp::load listView found";

            HbListView *listView = qobject_cast<HbListView*>(listViewWidget);

            listView->setItemPixmapCacheEnabled(true);

            listView->setModel(mModel);

            listView->setSelectionMode(HbAbstractItemView::SingleSelection);

            listView->setSelectionModel(mSelectionModel);

            mModel -> setSelectionModel(mSelectionModel);

            HbStyleLoader::registerFilePath(":/");

            listView->setLayoutName("usb");

            //scroll to the selected index, if not hidden personality

            QModelIndexList indexList = mSelectionModel->selectedIndexes();

            if ( !indexList.isEmpty() ) {

                myDebug() << "    USBSettingsApp::load scrollTo " << indexList[0].row();

                myDebug() << "    USBSettingsApp::load scrollTo disabled";

                //listView->scrollTo(indexList[0]);

            }

        }

        QGraphicsWidget *listViewItemWidget = mDocumentLoader->findWidget(QString("listItemPrototype"));

        if (listViewItemWidget) {

            myDebug() << "    USBSettingsApp::load mListViewItem found";

            mListViewItem = qobject_cast<HbListViewItem*>(listViewItemWidget);

            mListViewItem->setGraphicsSize(HbListViewItem::LargeIcon);

            setOrientation(orientation);

        }

        QGraphicsWidget *groupBoxWidget = mDocumentLoader->findWidget(QString("groupBox"));

        if (groupBoxWidget) {

            myDebug() << "    USBSettingsApp::load groupBox found";

            HbGroupBox *groupBox = qobject_cast<HbGroupBox*>(groupBoxWidget);

            groupBox->setHeading(QString(hbTrId("txt_usb_subhead_select_connection_type")));

        }        

    }  

    myDebug() << "<<< USBSettingsApp::load";

}

/*!

	Handles the orientation change

*/

void USBSettingsApp::setOrientation(Qt::Orientation orientation)

{

    myDebug() << ">>> USBSettingsApp::setOrientation";

    if (mListViewItem) {

        switch (orientation) {

            case Qt::Horizontal:

                mListViewItem->setSecondaryTextRowCount(KUSBLandscapeMinLine, KUSBLandscapeMaxLine);

                break;

            case Qt::Vertical:

                mListViewItem->setSecondaryTextRowCount(KUSBPortrateMinLine, KUSBPortrateMaxLine);

                break;

            default:

            		break;

        }               

    }    

    myDebug() << "<<< USBSettingsApp::setOrientation";

}