/*

* 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:  

*

*/

#include "cnteditviewlistmodel.h"

#include "cntextensionmanager.h"

#include "cntuiextensionfactory.h"

#include "cnteditviewitemsupplier.h"

#include "cnteditviewdetailitem.h"

#include "cnteditviewitembuilder.h"

#include <cntviewparams.h>

CntEditViewListModel::CntEditViewListModel( QContact* aContact ) :

mContact( aContact )

{

    mLookupTable.insert( EPhonenumber,    -1 );

    mLookupTable.insert( EEmailAddress,   -1 );

    mLookupTable.insert( EAddressTemplate,-1 );

    mLookupTable.insert( EPluginItem,     -1 );

    mLookupTable.insert( EUrl,            -1 );

    mLookupTable.insert( ESeparator,      -1 );

    mLookupTable.insert( EAddressDetail,  -1 );

    mLookupTable.insert( ECompany,        -1 );

    mLookupTable.insert( EDate,           -1 );

    mLookupTable.insert( ERingingTone,    -1 );

    mLookupTable.insert( ENote,           -1 );

    mLookupTable.insert( EFamily,         -1 );

    mLookupTable.insert( ESynchronization,-1 );

    mLookupMap.insert( QContactPhoneNumber::DefinitionName,     EPhonenumber );

    mLookupMap.insert( QContactOnlineAccount::DefinitionName,   EPhonenumber );

    mLookupMap.insert( QContactEmailAddress::DefinitionName,    EEmailAddress );

    mLookupMap.insert( QContactAddress::DefinitionName,         EAddressDetail);

    mLookupMap.insert( QContactUrl::DefinitionName,             EUrl );

    mLookupMap.insert( QContactOrganization::DefinitionName,    ECompany);

    mLookupMap.insert( QContactBirthday::DefinitionName,        EDate );

    mLookupMap.insert( QContactAnniversary::DefinitionName,     EDate);

    mLookupMap.insert( QContactNote::DefinitionName,            ENote);

    mLookupMap.insert( QContactFamily::DefinitionName,          EFamily);

    mManager = new CntExtensionManager();

    mBuilder = new CntEditViewItemBuilder();

    mSeparator = new CntEditViewSeparator();

    refresh();

}

CntEditViewListModel::~CntEditViewListModel()

{

    qDeleteAll( mItemList );

    delete mBuilder;

    delete mManager;

}

int CntEditViewListModel::rowCount( const QModelIndex& aParent ) const

{

    Q_UNUSED( aParent );

    return mItemList.size();

}

QVariant CntEditViewListModel::data( const QModelIndex& aIndex, int aRole ) const

{

   if ( aIndex.row() >= 0 && aIndex.row() < mItemList.size() )

   {

       CntEditViewItem* item = mItemList.at( aIndex.row() );

       return item->data( aRole );

   }

    return QVariant();

}

Qt::ItemFlags CntEditViewListModel::flags(const QModelIndex& aIndex) const

{

    CntEditViewItem* item = mItemList.at( aIndex.row() );

    QVariant data = item->data( Hb::ItemTypeRole );

    if ( data.toInt() == Hb::SeparatorItem )

    {

        return Qt::NoItemFlags;

    }

    return QAbstractListModel::flags( aIndex );

}

CntEditViewItem* CntEditViewListModel::itemAt( const QModelIndex& aIndex ) const

{

    return mItemList.at( aIndex.row() );

}

void CntEditViewListModel::removeItem( CntEditViewItem* aItem, const QModelIndex& aIndex )

{

    int index = mItemList.indexOf( aItem );

    if ( index >= 0 )

    {

        beginRemoveRows( aIndex.parent(), index, index );

        // remove item from item list

        int count = mItemList.count();

        CntEditViewItem* item = mItemList.takeAt( index );

        count = mItemList.count();

        // get detailed information

        QContactDetail detail = item->data(ERoleContactDetail).value<QContactDetail>();

        QStringList fields = item->data(ERoleContactDetailFields).toStringList();

        // remove the detail from QContact

        mBuilder->removeDetail( *mContact, detail, fields );

        // Update lookup table. Note, in case of QContactAddress,

        // we can't remove address template, so the mapping for address always points to address detail

        KLookupKey lookupKey = mLookupMap.value( detail.definitionName() );

        removeItem( lookupKey );

        endRemoveRows();

        // Remove separator item if needed

        if (mItemList.last()->data( Hb::ItemTypeRole ) == QVariant(Hb::SeparatorItem))

        {

            int separatorIndex = mItemList.indexOf( mSeparator );

            beginRemoveRows( aIndex.parent(), separatorIndex, separatorIndex );

            mItemList.removeAt( mItemList.indexOf(mSeparator) );

            removeItem( ESeparator  );

            endRemoveRows();

        }

        // Check if the removed item is -1 in lookuptable and if it needs a template

        int lookupValue = mLookupTable.value( lookupKey );

        if ( lookupValue == -1 )

        {

            beginResetModel();

            if ( detail.definitionName() == QContactPhoneNumber::DefinitionName )

                insertItem( EPhonenumber, mBuilder->phoneNumberItems(*mContact) );

            else if ( detail.definitionName() == QContactEmailAddress::DefinitionName )

                insertItem( EEmailAddress, mBuilder->emailAddressItems(*mContact) );

            else if ( detail.definitionName() == QContactAddress::DefinitionName )

                insertItem( EAddressTemplate, mBuilder->addressItems(*mContact) );

            else if ( detail.definitionName() == QContactUrl::DefinitionName )

                insertItem( EUrl, mBuilder->urlItems(*mContact) );

            endResetModel();

        }

        delete item;

    }

}

void CntEditViewListModel::refreshExtensionItems( const QModelIndex& aIndex )

{

    beginResetModel();

    // remove all extension items

    for( int i(mItemList.count()-1); i >= 0; i-- )

    {

        CntEditViewItem* item = mItemList.at( i );

        if ( item->data(ERoleItemType) == QVariant(ETypeUiExtension) )

        {

            mItemList.removeAt(i);

            removeItem( EPluginItem );

        }

    }

    // query extension items again

    int count = mManager->pluginCount();

    for ( int i(0); i < count; i++ )

    {

        CntUiExtensionFactory* factory = mManager->pluginAt(i);

        CntEditViewItemSupplier* supplier = factory->editViewItemSupplier( *mContact );

        if (supplier)

        {

            loadPluginItems( supplier );

        }

    }

    endResetModel();

}

void CntEditViewListModel::refresh()

{

    beginResetModel();

    insertItem( EPhonenumber, mBuilder->phoneNumberItems(*mContact) );

    insertItem( EEmailAddress, mBuilder->emailAddressItems(*mContact) );

    insertItem( EAddressTemplate, mBuilder->addressItems(*mContact) );

    insertItem( EUrl, mBuilder->urlItems(*mContact) );

    int count = mManager->pluginCount();

    for ( int i(0); i < count; i++ )

    {

        CntUiExtensionFactory* factory = mManager->pluginAt(i);

        CntEditViewItemSupplier* supplier = factory->editViewItemSupplier( *mContact );

        if (supplier)

        {

            loadPluginItems( supplier );

        }

    }

    insertDetailItem( EAddressDetail, mBuilder->addressDetails(*mContact) );

    insertDetailItem( ECompany, mBuilder->companyDetails(*mContact) );

    insertDetailItem( EDate, mBuilder->dateDetails(*mContact) );

    insertDetailItem( ENote, mBuilder->noteDetails(*mContact) );

    insertDetailItem( EFamily, mBuilder->familyDetails(*mContact) );

    endResetModel();

}

bool CntEditViewListModel::isEmptyItem( CntEditViewItem* aItem )

{

    QContactDetail d = aItem->data( ERoleContactDetail ).value<QContactDetail>();

    QStringList fields = aItem->data( ERoleContactDetailFields ).toStringList();

    foreach ( QString field, fields )

    {

        if ( !d.value(field).isEmpty() )

        {

            return false;

        }

    }

    return true;

}

void CntEditViewListModel::loadPluginItems( CntEditViewItemSupplier* aSupplier )

{

    QList<CntEditViewItem*> list;

    int count = aSupplier->itemCount();

    for ( int i(0); i < count; i++ )

    {

        CntEditViewItem* item = aSupplier->itemAt( i );

        if ( item )

        {

            list << item;

        }

    }

    if ( !list.isEmpty() )

        insertItem( EPluginItem, list );

}

void CntEditViewListModel::insertDetailItem( KLookupKey aKey, QList<CntEditViewItem*> aList )

{

    if ( !aList.isEmpty() )

    {

        insertSeparator();

        insertItem( aKey, aList );

    }

}

void CntEditViewListModel::insertItem( KLookupKey aLookupKey, QList<CntEditViewItem*> aList )

{

    if ( !aList.isEmpty() )

    {

        QList<KLookupKey> keys = mLookupTable.keys();

        int ind = keys.indexOf( aLookupKey );

        for ( int i=ind; i >= 0; i-- )

        {

            KLookupKey key = keys.at( i );

            int lastIndexValue = mLookupTable.value( key );

            // search next suitable "lastindex" where to insert the items

            if ( i != 0 && lastIndexValue == -1 )

                continue;

            // insert items to current index

            for ( int j(0); j < aList.count(); j++ )

            {

                mItemList.insert( lastIndexValue + j + 1, aList[j] );

            }

            // lookup keys value "lastindex"

            int listCount = aList.count();

            lastIndexValue = lastIndexValue + listCount;

            mLookupTable.insert( aLookupKey, lastIndexValue );

            // update all indexes in lookuptable 

            for ( int k(ind+1); k < keys.size(); k++ )

            {

                int value = mLookupTable.value(keys[k]);

                if ( value != -1 )

                {

                    mLookupTable.insert( keys[k], value + aList.count() );

                }

            }

            break;

        }

    }

}

void CntEditViewListModel::removeItem( KLookupKey aKey )

{

    QList<KLookupKey> keys = mLookupTable.keys();

    int ind = keys.indexOf( aKey );

    for ( int i(ind); i < keys.count(); i++ )

    {

        KLookupKey key = keys.at( i );

        int lastIndexValue = mLookupTable.value( key ) - 1;

        // climb the keys (bottom to top) and see if somebody has the same value (then set value to -1)

        for ( int j(ind); j >= 0; j-- )

        {

            if ( mLookupTable.value(keys[j]) == lastIndexValue )

            {

                lastIndexValue = -1;

                break;

            }

        }

        mLookupTable.insert( key, lastIndexValue );

        // update rest of the keys by reducing one (top to bottom)

        for ( int k(ind+1); k < keys.count(); k++ )

        {

            KLookupKey tmp = keys.at( k );

            int value = mLookupTable.value( tmp );

            if ( value != -1 )

            {

                mLookupTable.insert( tmp, value - 1 );

            }

        }

        break;

    }

}

void CntEditViewListModel::insertSeparator()

{

    if ( mItemList.indexOf(mSeparator) == -1 )

    {

        QList<CntEditViewItem*> list;

        list << mSeparator;

        insertItem( ESeparator, list );

    }

}

// End of File