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#include <set>
#include <svl/itempool.hxx>
#include <svl/itemset.hxx>
#include <svl/style.hxx>
#include <comphelper/stl_types.hxx>

#include <svx/svdmodel.hxx>
#include "UnoNameItemTable.hxx"
#include <osl/mutex.hxx>
#include <vcl/svapp.hxx>

#include "svx/unoapi.hxx"

using namespace ::com::sun::star;
using namespace ::rtl;
using namespace ::cppu;

SvxUnoNameItemTable::SvxUnoNameItemTable( SdrModel* pModel, sal_uInt16 nWhich, sal_uInt8 nMemberId ) throw()
: mpModel( pModel ),
  mpModelPool( pModel ? &pModel->GetItemPool() : NULL ),
  mnWhich( nWhich ), mnMemberId( nMemberId )
{
    if( pModel )
        StartListening( *pModel );
}

SvxUnoNameItemTable::~SvxUnoNameItemTable() throw()
{
    if( mpModel )
        EndListening( *mpModel );
    dispose();
}

bool SvxUnoNameItemTable::isValid( const NameOrIndex* pItem ) const
{
    return pItem && (pItem->GetName().Len() != 0);
}

void SvxUnoNameItemTable::dispose()
{
    ItemPoolVector::iterator aIter = maItemSetVector.begin();
    const ItemPoolVector::iterator aEnd = maItemSetVector.end();

    while( aIter != aEnd )
    {
        delete (*aIter++);
    }

    maItemSetVector.clear();
}

void SvxUnoNameItemTable::Notify( SfxBroadcaster&, const SfxHint& rHint ) throw()
{
    const SdrHint* pSdrHint = PTR_CAST( SdrHint, &rHint );

    if( pSdrHint && HINT_MODELCLEARED == pSdrHint->GetKind() )
        dispose();
}

sal_Bool SAL_CALL SvxUnoNameItemTable::supportsService( const  OUString& ServiceName ) throw(uno::RuntimeException)
{
    uno::Sequence< OUString > aSNL( getSupportedServiceNames() );
    const OUString * pArray = aSNL.getConstArray();

    for( sal_Int32 i = 0; i < aSNL.getLength(); i++ )
        if( pArray[i] == ServiceName )
            return sal_True;

    return sal_False;
}

void SAL_CALL SvxUnoNameItemTable::ImplInsertByName( const OUString& aName, const uno::Any& aElement )
{
    SfxItemSet* mpInSet = new SfxItemSet( *mpModelPool, mnWhich, mnWhich );
    maItemSetVector.push_back( mpInSet );

    NameOrIndex* pNewItem = createItem();
    pNewItem->SetName( String( aName ) );
    pNewItem->PutValue( aElement, mnMemberId );
    mpInSet->Put( *pNewItem, mnWhich );
    delete pNewItem;
}

// XNameContainer
void SAL_CALL SvxUnoNameItemTable::insertByName( const OUString& aApiName, const uno::Any& aElement )
    throw( lang::IllegalArgumentException, container::ElementExistException, lang::WrappedTargetException, uno::RuntimeException )
{
    SolarMutexGuard aGuard;

    if( hasByName( aApiName ) )
        throw container::ElementExistException();

    String aName;
    SvxUnogetInternalNameForItem( mnWhich, aApiName, aName );

    ImplInsertByName( aName, aElement );
}



void SAL_CALL SvxUnoNameItemTable::removeByName( const OUString& aApiName )
    throw( container::NoSuchElementException, lang::WrappedTargetException, uno::RuntimeException)
{
    SolarMutexGuard aGuard;

    // a little quickfix for 2.0 to let applications clear api
    // created items that are not used
    if( aApiName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM("~clear~") ) )
    {
        dispose();
        return;
    }

    String Name;
    SvxUnogetInternalNameForItem( mnWhich, aApiName, Name );

    ItemPoolVector::iterator aIter = maItemSetVector.begin();
    const ItemPoolVector::iterator aEnd = maItemSetVector.end();

    NameOrIndex *pItem;
    const String aSearchName( Name );

    while( aIter != aEnd )
    {
        pItem = (NameOrIndex *)&((*aIter)->Get( mnWhich ) );
        if( pItem->GetName() == aSearchName )
        {
            delete (*aIter);
            maItemSetVector.erase( aIter );
            return;
        }
        ++aIter;
    }

    if( !hasByName( Name ) )
        throw container::NoSuchElementException();
}

// XNameReplace
void SAL_CALL SvxUnoNameItemTable::replaceByName( const OUString& aApiName, const uno::Any& aElement )
    throw( lang::IllegalArgumentException, container::NoSuchElementException, lang::WrappedTargetException, uno::RuntimeException )
{
    SolarMutexGuard aGuard;

    String aName;
    SvxUnogetInternalNameForItem( mnWhich, aApiName, aName );

    ItemPoolVector::iterator aIter = maItemSetVector.begin();
    const ItemPoolVector::iterator aEnd = maItemSetVector.end();

    NameOrIndex *pItem;
    const String aSearchName( aName );

    while( aIter != aEnd )
    {
        pItem = (NameOrIndex *)&((*aIter)->Get( mnWhich ) );
        if( pItem->GetName() == aSearchName )
        {
            NameOrIndex* pNewItem = createItem();
            pNewItem->SetName( aSearchName );
            if( !pNewItem->PutValue( aElement, mnMemberId ) || !isValid( pNewItem ) )
                throw lang::IllegalArgumentException();

            (*aIter)->Put( *pNewItem );
            return;
        }
        ++aIter;
    }

    // if it is not in our own sets, modify the pool!
    sal_Bool bFound = sal_False;

    sal_uInt32 nSurrogate;
    sal_uInt32 nCount = mpModelPool ? mpModelPool->GetItemCount2( mnWhich ) : 0;
    for( nSurrogate = 0; nSurrogate < nCount; nSurrogate++ )
    {
        pItem = (NameOrIndex*)mpModelPool->GetItem2( mnWhich, nSurrogate);
        if( pItem && pItem->GetName() == aSearchName )
        {
            pItem->PutValue( aElement, mnMemberId );
            bFound = sal_True;
            break;
        }
    }

    if( bFound )
        ImplInsertByName( aName, aElement );
    else
        throw container::NoSuchElementException();

    if( !hasByName( aName ) )
        throw container::NoSuchElementException();
}

// XNameAccess
uno::Any SAL_CALL SvxUnoNameItemTable::getByName( const OUString& aApiName )
    throw( container::NoSuchElementException,  lang::WrappedTargetException, uno::RuntimeException)
{
    SolarMutexGuard aGuard;

    String aName;
    SvxUnogetInternalNameForItem( mnWhich, aApiName, aName );

    uno::Any aAny;

    if( mpModelPool && aName.Len() != 0 )
    {
        const String aSearchName( aName );
        NameOrIndex *pItem;
        sal_uInt32 nSurrogate;

        sal_uInt32 nSurrogateCount = mpModelPool ? mpModelPool->GetItemCount2( mnWhich ) : 0;
        for( nSurrogate = 0; nSurrogate < nSurrogateCount; nSurrogate++ )
        {
            pItem = (NameOrIndex*)mpModelPool->GetItem2( mnWhich, nSurrogate );

            if( isValid( pItem ) && (pItem->GetName() == aSearchName) )
            {
                pItem->QueryValue( aAny, mnMemberId );
                return aAny;
            }
        }
    }

    throw container::NoSuchElementException();
}

uno::Sequence< OUString > SAL_CALL SvxUnoNameItemTable::getElementNames(  )
    throw( uno::RuntimeException )
{
    SolarMutexGuard aGuard;

    std::set< OUString, comphelper::UStringLess > aNameSet;

    NameOrIndex *pItem;
    OUString aApiName;

    const sal_uInt32 nSurrogateCount = mpModelPool ? mpModelPool->GetItemCount2( mnWhich ) : 0;
    sal_uInt32 nSurrogate;
    for( nSurrogate = 0; nSurrogate < nSurrogateCount; nSurrogate++ )
    {
        pItem = (NameOrIndex*)mpModelPool->GetItem2( mnWhich, nSurrogate );

        if( !isValid( pItem ) )
            continue;

        SvxUnogetApiNameForItem( mnWhich, pItem->GetName(), aApiName );
        aNameSet.insert( aApiName );
    }

    uno::Sequence< OUString > aSeq( aNameSet.size() );
    OUString* pNames = aSeq.getArray();

    std::set< OUString, comphelper::UStringLess >::iterator aIter( aNameSet.begin() );
    const std::set< OUString, comphelper::UStringLess >::iterator aEnd( aNameSet.end() );

    while( aIter != aEnd )
    {
        *pNames++ = *aIter++;
    }

    return aSeq;
}

sal_Bool SAL_CALL SvxUnoNameItemTable::hasByName( const OUString& aApiName )
    throw( uno::RuntimeException )
{
    SolarMutexGuard aGuard;

    String aName;
    SvxUnogetInternalNameForItem( mnWhich, aApiName, aName );

    if( aName.Len() == 0 )
        return sal_False;

    const String aSearchName( aName );
    sal_uInt32 nSurrogate;

    const NameOrIndex *pItem;

    sal_uInt32 nCount = mpModelPool ? mpModelPool->GetItemCount2( mnWhich ) : 0;
    for( nSurrogate = 0; nSurrogate < nCount; nSurrogate++ )
    {
        pItem = (NameOrIndex*)mpModelPool->GetItem2( mnWhich, nSurrogate );
        if( isValid( pItem ) && (pItem->GetName() == aSearchName) )
            return sal_True;
    }

    return sal_False;
}

sal_Bool SAL_CALL SvxUnoNameItemTable::hasElements(  )
    throw( uno::RuntimeException )
{
    SolarMutexGuard aGuard;

    const NameOrIndex *pItem;

    sal_uInt32 nSurrogate;
    const sal_uInt32 nSurrogateCount = mpModelPool ? mpModelPool->GetItemCount2( mnWhich ) : 0;
    for( nSurrogate = 0; nSurrogate < nSurrogateCount; nSurrogate++ )
    {
        pItem = (NameOrIndex*)mpModelPool->GetItem2( mnWhich, nSurrogate );

        if( isValid( pItem ) )
            return sal_True;
    }

    return sal_False;
}

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