/*

* 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: LocationPickerView implementation

*

*/

#include "locationpickerview.h"

#include <HbMainWindow>

#include <qstandarditemmodel.h>

#include <HbListView>

#include <HbListViewItem>

#include <HbAction>

#include <HbMenu>

#include <HbToolBar>

#include <HbStyleLoader>

#include <QGraphicsLinearLayout>

#include <HbDialog>

#include "hgwidgetdatamodel.h"

#include "locationpickerproxymodel.h"

#include "locationpickerdatamanager.h"

#include "locationpickercontent.h" 

#include "locationpickercollectionlistcontent.h"

#include "locationpickercollectioncontent.h"

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

// ----------------------------------------------------

// LocationPickerView::LocationPickerView()

// ----------------------------------------------------

LocationPickerView::LocationPickerView( HbDocumentLoader* aLoader )

    :mDocumentLoader(aLoader),

    mLocationPickerCollectionListContent(NULL),

    mProxyModel(NULL),

    mAllAction(NULL),

    mCollectionAction(NULL),

    mSearchAction(NULL),

    mAscendingAction(NULL),

    mDescendingAction(NULL),

    mListView(NULL),

    mCollectionContent(NULL),

    mViewType(ELocationPickerContent),

    mLinerLayout(NULL),

    mColllabel(NULL),

    mEmptyLabel(NULL),

    mDialog(NULL),

    mMapIconLabel(NULL),

    mTitleLabel(NULL),

    mAddressMiddle(NULL),

    mAddressBottom(NULL),

    mLongPressMenu(NULL),

    mSelectAction(NULL),

    mDetailsAction(NULL),

    mPopulated(false)

{   

    //Create Action Items

    mAllAction = qobject_cast<HbAction*> (mDocumentLoader->findObject(

            QString("allAction")));

    mCollectionAction = qobject_cast<HbAction*> (mDocumentLoader->findObject(

            QString("collectionAction")));

    mSearchAction = qobject_cast<HbAction*> (mDocumentLoader->findObject(

            QString("searchAction")));

    mAscendingAction = qobject_cast<HbAction*> (mDocumentLoader->findObject(

            QString("ascendingAction")));

    mDescendingAction = qobject_cast<HbAction*> (mDocumentLoader->findObject(

            QString("descendingAction")));

    if( !mAllAction || !mCollectionAction || !mSearchAction || !mAscendingAction || !mDescendingAction )

    {

        qFatal("Error Reading Docml");

    }

    // create back action

    mBackAction = new HbAction(Hb::BackNaviAction);

    // add back key action

    setNavigationAction(mBackAction);

    //connect to slots

     connect(mBackAction, SIGNAL(triggered()), this,

            SLOT(backTriggered()));     

    //create list item  

    mListItem = new HbListViewItem();

    //set the graphics size

    mListItem->setGraphicsSize(HbListViewItem::Thumbnail);

}

// ----------------------------------------------------

// LocationPickerView::~LocationPickerView()

// ----------------------------------------------------

LocationPickerView::~LocationPickerView()

{

    delete mListItem;

    delete mBackAction;

    if(mPopulated)

    {

    	mLinerLayout->removeItem(mListView);

    	mLinerLayout->removeItem(mWidget);

    	delete mCollectionContent;

    	delete mLocationPickerCollectionListContent;

    	delete mListView;

    	delete mWidget;

    	delete mHgModel;

    	delete mProxyModel;

    	delete mColllabel;

    }

}

// ----------------------------------------------------------------------------

// LocationPickerView::backButtonTriggered()

// ----------------------------------------------------------------------------

void LocationPickerView::backTriggered()

{

    //if current model is collection content, go back to collectionlist content  

    if(mViewType == ELocationPickerCollectionContent)

    {

        mListItem->setGraphicsSize(HbListViewItem::MediumIcon);

		removeDetailsLabel();

        mAscendingAction->setDisabled(true);

        mDescendingAction->setDisabled(true);

        mAllAction->setChecked(false);

        mViewType = ELocationPickerCollectionListContent;

        manageListView();

        clearContentModel();

    }

    else

    {

        //complete the service

        emit completeService();

    } 

}

// ----------------------------------------------------

// LocationPickerView::init()

// ----------------------------------------------------

void LocationPickerView::init( Qt::Orientation aOrientation, QStandardItemModel *aModel )

{   

    mPopulated = true;

    // Create Collection List Content

    mLocationPickerCollectionListContent = new LocationPickerCollectionListContent();

    mModel = aModel;        

    // Create Collection List Content

    mLocationPickerCollectionListContent = new LocationPickerCollectionListContent();

    //create proxy model

    mProxyModel = new LocationPickerProxyModel( this  );

    mProxyModel->setSourceModel(aModel);

    // set sort properties

    mProxyModel->setDynamicSortFilter(TRUE);

    mProxyModel->setSortRole(Qt::DisplayRole);

    mProxyModel->setSortCaseSensitivity(Qt::CaseInsensitive);

    // sort in ascending order

    mProxyModel->sort(0, Qt::AscendingOrder); 

    mLinerLayout = static_cast<QGraphicsLinearLayout*>(widget()->layout());

    //Get HbAction items

    mListView = new HbListView();

    mColllabel =  new HbLabel();

    createHurriganesWidget();  

    mWidget->setModel(mHgModel);

    //connect to slots

    connect(mAscendingAction, SIGNAL(triggered()), this, SLOT(sortAscending()));

    connect(mDescendingAction, SIGNAL(triggered()), this,

            SLOT(sortDescending()));

    //connect all action Items to respective slots

    connect(mAllAction, SIGNAL(triggered()), this, SLOT(allTabTriggered()));

    connect(mCollectionAction, SIGNAL(triggered()), this,SLOT(colectionTabTriggered()));

    connect(mSearchAction, SIGNAL(triggered()), this,

            SLOT(searchTabTriggered()));

    // connect the signal of the list activated to a slot.

    connect(mListView, SIGNAL(activated(const QModelIndex &)), this, SLOT(handleActivated(const QModelIndex &)));

    connect(mListView,SIGNAL(longPressed(HbAbstractViewItem*, const QPointF &)),this,

            SLOT(launchPopUpMenu(HbAbstractViewItem*, const QPointF &)));

    //set widget according to orientation

    if(aOrientation == Qt::Horizontal)

    {

        manageHgWidget();

    }

    else

    {

        manageListView();

    }

}

void LocationPickerView::createHurriganesWidget()

{

    //hurrriganes widget

    mHgModel = new HgWidgetDataModel( mProxyModel, this );

    mHgModel->setImageDataType(HgWidgetDataModel::ETypeQImage);

    //create MediaWall Object

    mWidget = new HgMediawall();

    HbIcon defaultIcon(KDummyImage);

    QPainter painter;

    QPixmap defaultImage(defaultIcon.width(),defaultIcon.height());

    painter.begin(&defaultImage);

    defaultIcon.paint(&painter,QRectF(0,0,defaultIcon.width(),defaultIcon.height()));

    painter.end();

    mWidget->setDefaultImage( defaultImage.toImage() );

    HgMediawall* mediawall = qobject_cast<HgMediawall*>( mWidget );

    mediawall->setObjectName("location");

    HbStyleLoader::registerFilePath(":/location.hgmediawall.widgetml");

    HbStyleLoader::registerFilePath(":/location.hgmediawall.css");

    mediawall->enableReflections(false);

    mediawall->setFontSpec(HbFontSpec(HbFontSpec::Primary));

    mediawall->setItemSize(QSize(4,3));

    connect(this->mainWindow(), SIGNAL(orientationChanged(Qt::Orientation)),mWidget,

            SLOT(orientationChanged(Qt::Orientation)));

    mWidget->setAcceptTouchEvents(true);

    connect(mWidget, SIGNAL(activated(const QModelIndex &)),this, SLOT(handleActivated(const QModelIndex &)));

    connect(mWidget, SIGNAL(longPressed(const QModelIndex &, const QPointF &)),this, 

            SLOT(launchPopUpMenu(const QModelIndex &, const QPointF &)));

    mWidget->setLongPressEnabled(true);

    mWidget->scrollTo(mWidget->currentIndex());

}

// -----------------------------------------------------------------------------

// LocationPickerView::manageHgWidget()

// -----------------------------------------------------------------------------

void LocationPickerView::manageHgWidget()

{   

    removeDetailsLabel();

    mLinerLayout->removeItem(mListView);

    mListView->hide();

    mWidget->show();

    mLinerLayout->updateGeometry();

    //set the appropriate model

    switch(mViewType)

    {

        case ELocationPickerContent:

        {  

            mHgModel->resetModel(mProxyModel);

            mAllAction->setChecked(true);

            mCollectionAction->setChecked(false);

            mLinerLayout->insertItem(1,mWidget);

        }

        break;

        case ELocationPickerCollectionContent:

        {

            setCollectionData(mCategoryId);

            mCollectionAction->setChecked(true);

            mAllAction->setChecked(false);

        }

        break;

    }

}

// ----------------------------------------------------

// LocationPickerView::manageListView()

// ----------------------------------------------------

void LocationPickerView::manageListView()

{   

    if(mEmptyLabel)

    {

        removeDetailsLabel();

    }

    else

    {

        mLinerLayout->removeItem(mWidget);

        mWidget->hide();   

    }

    mLinerLayout->insertItem(1,mListView);

    mListView->show();

    //set the appropriate model

    switch(mViewType)

    {

        case ELocationPickerContent:

        {   

            mListItem->setGraphicsSize(HbListViewItem::Thumbnail);

            mListView->setModel(mProxyModel,mListItem);

            mAllAction->setChecked(true);

            mCollectionAction->setChecked(false);

            mViewType = ELocationPickerContent;

        }

        break;

        case ELocationPickerCollectionListContent:

        {

            mListView->setModel(mLocationPickerCollectionListContent->getStandardModel(),mListItem);

            mCollectionAction->setChecked(true);

            mAllAction->setChecked(false);

            if(mAscendingAction->isEnabled())

            {

                mAscendingAction->setDisabled(true);

                mDescendingAction->setDisabled(true);

            }

            mViewType = ELocationPickerCollectionListContent;

        }

        break;

        case ELocationPickerCollectionContent:

        {

            mCollectionAction->setChecked(true);

            mAllAction->setChecked(false);

            mViewType = ELocationPickerCollectionContent;

            setCollectionData(mCategoryId);

        }

        break;

        default:

            break;

    }

}

// -----------------------------------------------------------------------------

// LocationPickerView::disableTabs()

// -----------------------------------------------------------------------------

void LocationPickerView::disableTabs()

{

    //if no location entries present

    mLinerLayout = static_cast<QGraphicsLinearLayout*>(widget()->layout());

    mEmptyLabel =  new HbTextItem( hbTrId( "txt_lint_list_no_location_entries_present" ) );

    mEmptyLabel->setSizePolicy( QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding );

    mEmptyLabel->setFontSpec( HbFontSpec( HbFontSpec::Primary ) );

    mEmptyLabel->setAlignment( Qt::AlignCenter );

    mLinerLayout->insertItem( 1, mEmptyLabel );

    mAllAction->setDisabled( true );

    mCollectionAction->setDisabled( true );

    mSearchAction->setDisabled( true );

    mAscendingAction->setDisabled( true );

    mDescendingAction->setDisabled( true );

}

// -----------------------------------------------------------------------------

// LocationPickerView::handleActivated()

// -----------------------------------------------------------------------------

void LocationPickerView::handleActivated( const QModelIndex &aIndex )

{

    QModelIndex  index;

    QStandardItem* item;

    int row= aIndex.row();

    int col = aIndex.column();

    //handle the activated signal according to model set

    switch(mViewType)

    {    

        case ELocationPickerContent:

        {   

            if(mainWindow()->orientation() == Qt::Vertical)

            {

                index = mProxyModel->mapToSource(

                    aIndex);

                item = mModel->item( index.row(), index.column() );

            }

            else

            {

                QModelIndex proxyModelIndex = mProxyModel->index(row,col);

                index = mProxyModel->mapToSource(

                        proxyModelIndex);

                item = mModel->item( index.row(), index.column() );

            }

            QVariant var = item->data( Qt::UserRole );

            quint32 lm = var.toUInt();

            //item selected, complete request

            emit selectItem( lm );

        }

            break;

        case ELocationPickerCollectionListContent:

        {

            mLocationPickerCollectionListContent->getData(

                    aIndex, mCategoryId );

            setCollectionData(mCategoryId);

            mViewType = ELocationPickerCollectionContent;

        }

            break;

        case ELocationPickerCollectionContent:

        {

            if(mainWindow()->orientation() == Qt::Vertical)

            {

                index = mCollectionContent->getProxyModel()->mapToSource(

                    aIndex);

            }

            else

            {

                QModelIndex proxyModelIndex = mCollectionContent->getProxyModel()->index(row,col);

                index = mCollectionContent->getProxyModel()->mapToSource(

                        proxyModelIndex);

            }

            quint32 lm = 0;

            mCollectionContent->getData(index, lm);

            //item selected, complete request

            emit selectItem(lm);

        }

            break;

        default:

            break;

    }

}

// -----------------------------------------------------------------------------

// LocationPickerView::sortAscending()

// -----------------------------------------------------------------------------

void LocationPickerView::sortAscending()

{   

    //check the model set and do sorting accordingly

    if (mViewType == ELocationPickerContent)

    {

        mProxyModel->sort( 0, Qt::AscendingOrder );

        if(mainWindow()->orientation()==Qt::Horizontal)

            mHgModel->resetModel(mProxyModel);

    }

    else

    {

        mCollectionContent->getProxyModel()->sort( 0, Qt::AscendingOrder );

        if(mainWindow()->orientation()==Qt::Horizontal)

                    mHgModel->resetModel(mCollectionContent->getProxyModel());

    }

}

// -----------------------------------------------------------------------------

// LocationPickerView::sortDescending()

// -----------------------------------------------------------------------------

void LocationPickerView::sortDescending()

{

    //check the model set and do sorting accordingly

    if (mViewType == ELocationPickerContent)

    {

        mProxyModel->sort(0, Qt::DescendingOrder);

        if(mainWindow()->orientation()==Qt::Horizontal)

                    mHgModel->resetModel(mProxyModel);

    }

    else

    {

        mCollectionContent->getProxyModel()->sort( 0, Qt::DescendingOrder );

        if(mainWindow()->orientation()==Qt::Horizontal)

                    mHgModel->resetModel(mCollectionContent->getProxyModel());

    }

}

// -----------------------------------------------------------------------------

// LocationPickerView::allTabTriggered()

// -----------------------------------------------------------------------------

void LocationPickerView::allTabTriggered()

{

    removeDetailsLabel();

    //execute only if tab is not pressed

    if (mAllAction->isChecked())

    {    

        mViewType = ELocationPickerContent;

        mCollectionAction->setChecked(false);

        mAscendingAction->setEnabled(true);

        mDescendingAction->setEnabled(true);

        //delete mCollectionContent if coming back from collectioncontent

        if (mCollectionContent)

        {

            delete mCollectionContent;

            mCollectionContent = NULL;

        }

        if(mainWindow()->orientation() == Qt::Vertical)

        {

            manageListView();

        }

        else

        {

            manageHgWidget();

        }

    }

    else

    {

        //Keep the tab pressed

        mAllAction->setChecked(true);

    }

}

// -----------------------------------------------------------------------------

// LocationPickerView::colectionTabTriggered()

// -----------------------------------------------------------------------------

void LocationPickerView::colectionTabTriggered()

{

	  if( mViewType == ELocationPickerCollectionListContent ||

	      mViewType == ELocationPickerCollectionContent )

	  {

	  	  mCollectionAction->setChecked(true);

	      return;

	  }

    mListItem->setGraphicsSize(HbListViewItem::MediumIcon);

    removeDetailsLabel();

    //execute only if tab is not pressed

    if (mCollectionAction->isChecked())

    {           

        mAscendingAction->setDisabled(true);

        mDescendingAction->setDisabled(true);

        mAllAction->setChecked(false);

        mViewType = ELocationPickerCollectionListContent;

        manageListView();

    }

    else

    {

        //Keep the tab pressed

        mCollectionAction->setChecked(true);

    }

}

// -----------------------------------------------------------------------------

// LocationPickerView::searchTabTriggered()

// -----------------------------------------------------------------------------

void LocationPickerView::searchTabTriggered()

{

    mWidget->hide();

    emit switchToSearchView();

}

// -----------------------------------------------------------------------------

// LocationPickerView::setCollectionData()

// -----------------------------------------------------------------------------

void LocationPickerView::setCollectionData( quint32 acategoryId )

{

    if(!mCollectionContent)

    {

        mCollectionContent

        = new LocationPickerCollectionContent( acategoryId );

    }

    if(mainWindow()->orientation() == Qt::Vertical)

    {

        QString categoryname;

        removeDetailsLabel();    

        switch(acategoryId)

        {