/*************************************************************************
 *
 *  $RCSfile: unomtabl.cxx,v $
 *
 *  $Revision: 1.12 $
 *
 *  last change: $Author: cl $ $Date: 2001-05-10 14:39:24 $
 *
 *  The Contents of this file are made available subject to the terms of
 *  either of the following licenses
 *
 *         - GNU Lesser General Public License Version 2.1
 *         - Sun Industry Standards Source License Version 1.1
 *
 *  Sun Microsystems Inc., October, 2000
 *
 *  GNU Lesser General Public License Version 2.1
 *  =============================================
 *  Copyright 2000 by Sun Microsystems, Inc.
 *  901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License version 2.1, as published by the Free Software Foundation.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *  MA  02111-1307  USA
 *
 *
 *  Sun Industry Standards Source License Version 1.1
 *  =================================================
 *  The contents of this file are subject to the Sun Industry Standards
 *  Source License Version 1.1 (the "License"); You may not use this file
 *  except in compliance with the License. You may obtain a copy of the
 *  License at http://www.openoffice.org/license.html.
 *
 *  Software provided under this License is provided on an "AS IS" basis,
 *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
 *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
 *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
 *  See the License for the specific provisions governing your rights and
 *  obligations concerning the Software.
 *
 *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
 *
 *  Copyright: 2000 by Sun Microsystems, Inc.
 *
 *  All Rights Reserved.
 *
 *  Contributor(s): _______________________________________
 *
 *
 ************************************************************************/

#ifndef _COM_SUN_STAR_LANG_XSERVICEINFO_HPP_
#include <com/sun/star/lang/XServiceInfo.hpp>
#endif
#ifndef _COM_SUN_STAR_CONTAINER_XNAMECONTAINER_HPP_
#include <com/sun/star/container/XNameContainer.hpp>
#endif
#ifndef _COM_SUN_STAR_DRAWING_POINTSEQUENCE_HPP_
#include <com/sun/star/drawing/PointSequence.hpp>
#endif

#ifndef _SFXSTYLE_HXX
#include <svtools/style.hxx>
#endif

#include <cppuhelper/implbase2.hxx>

#ifndef _SFXITEMPOOL_HXX
#include <svtools/itempool.hxx>
#endif

#ifndef _SFXITEMSET_HXX //autogen
#include <svtools/itemset.hxx>
#endif

#ifndef _SFXLSTNER_HXX
#include <svtools/lstner.hxx>
#endif

#ifndef _SVX_XLNEDIT_HXX //autogen
#include <xlnedit.hxx>
#endif
#ifndef _SVX_XLNSTIT_HXX
#include <xlnstit.hxx>
#endif
#include "svdmodel.hxx"
#include "xdef.hxx"
#include "xflhtit.hxx"

#ifndef __SGI_STL_VECTOR
#include <vector>
#endif

#include "unoapi.hxx"

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

typedef std::vector< std::pair< SfxItemSet*, SfxItemSet*> > ItemPoolVector;

class SvxUnoMarkerTable : public WeakImplHelper2< container::XNameContainer, lang::XServiceInfo >,
                          public SfxListener
{
private:
    SdrModel*       mpModel;
    SfxItemPool*    mpModelPool;
    SfxItemPool*    mpStylePool;

    ItemPoolVector maItemSetVector;

public:
    SvxUnoMarkerTable( SdrModel* pModel ) throw();
    virtual ~SvxUnoMarkerTable() throw();

    void dispose();

    // SfxListener
    virtual void Notify( SfxBroadcaster& rBC, const SfxHint& rHint ) throw ();

    void SAL_CALL ImplInsertByName( const OUString& aName, const uno::Any& aElement );

    // XServiceInfo
    virtual OUString SAL_CALL getImplementationName(  ) throw( uno::RuntimeException );
    virtual sal_Bool SAL_CALL supportsService( const  OUString& ServiceName ) throw( uno::RuntimeException);
    virtual uno::Sequence<  OUString > SAL_CALL getSupportedServiceNames(  ) throw( uno::RuntimeException);

    // XNameContainer
    virtual void SAL_CALL insertByName( const  OUString& aName, const  uno::Any& aElement ) throw( lang::IllegalArgumentException, container::ElementExistException, lang::WrappedTargetException, uno::RuntimeException);
    virtual void SAL_CALL removeByName( const  OUString& Name ) throw( container::NoSuchElementException, lang::WrappedTargetException, uno::RuntimeException);

    // XNameReplace
    virtual void SAL_CALL replaceByName( const  OUString& aName, const  uno::Any& aElement ) throw( lang::IllegalArgumentException, container::NoSuchElementException, lang::WrappedTargetException, uno::RuntimeException);

    // XNameAccess
    virtual uno::Any SAL_CALL getByName( const  OUString& aName ) throw( container::NoSuchElementException, lang::WrappedTargetException, uno::RuntimeException);
    virtual uno::Sequence<  OUString > SAL_CALL getElementNames(  ) throw( uno::RuntimeException);
    virtual sal_Bool SAL_CALL hasByName( const  OUString& aName ) throw( uno::RuntimeException);

    // XElementAccess
    virtual uno::Type SAL_CALL getElementType(  ) throw( uno::RuntimeException);
    virtual sal_Bool SAL_CALL hasElements(  ) throw( uno::RuntimeException);
};

SvxUnoMarkerTable::SvxUnoMarkerTable( SdrModel* pModel ) throw()
: mpModel( pModel ),
  mpStylePool( ( pModel && pModel->GetStyleSheetPool() ) ? &pModel->GetStyleSheetPool()->GetPool() : NULL ),
  mpModelPool( pModel ? &pModel->GetItemPool() : (SfxItemPool*)NULL )
{
    if( pModel )
        StartListening( *pModel );
}

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

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

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

    maItemSetVector.clear();
}

// SfxListener
void SvxUnoMarkerTable::Notify( SfxBroadcaster& rBC, const SfxHint& rHint ) throw()
{
    const SdrHint* pSdrHint = PTR_CAST( SdrHint, &rHint );

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

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

    for( INT32 i = 0; i < aSNL.getLength(); i++ )
        if( pArray[i] == ServiceName )
            return TRUE;

    return FALSE;
}

OUString SAL_CALL SvxUnoMarkerTable::getImplementationName() throw( uno::RuntimeException )
{
    return OUString( RTL_CONSTASCII_USTRINGPARAM("SvxUnoMarkerTable") );
}

uno::Sequence< OUString > SAL_CALL SvxUnoMarkerTable::getSupportedServiceNames(  )
    throw( uno::RuntimeException )
{
    uno::Sequence< OUString > aSNS( 1 );
    aSNS.getArray()[0] = OUString( RTL_CONSTASCII_USTRINGPARAM("com.sun.star.drawing.MarkerTable" ));
    return aSNS;
}

void SAL_CALL SvxUnoMarkerTable::ImplInsertByName( const OUString& aName, const uno::Any& aElement )
{
    SfxItemSet* mpInSet1 = new SfxItemSet( *mpModelPool, XATTR_LINESTART, XATTR_LINEEND );
    SfxItemSet* mpInSet2 = mpStylePool ? new SfxItemSet( *mpStylePool, XATTR_LINESTART, XATTR_LINEEND ) : NULL;
    maItemSetVector.push_back( std::pair< SfxItemSet*, SfxItemSet*>( mpInSet1, mpInSet2 ) );

    XLineEndItem aEndMarker;
    aEndMarker.SetName( String( aName ) );
    aEndMarker.PutValue( aElement );

    mpInSet1->Put( aEndMarker, XATTR_LINEEND );

    if( mpInSet2 )
        mpInSet2->Put( aEndMarker, XATTR_LINEEND );

    XLineStartItem aStartMarker;
    aStartMarker.SetName( String( aName ) );
    aStartMarker.PutValue( aElement );

    mpInSet1->Put( aStartMarker, XATTR_LINESTART );
    if( mpInSet2 )
        mpInSet2->Put( aStartMarker, XATTR_LINESTART );
}

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

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

    ImplInsertByName( aName, aElement );
}

void SAL_CALL SvxUnoMarkerTable::removeByName( const OUString& aApiName )
    throw( container::NoSuchElementException, lang::WrappedTargetException, uno::RuntimeException)
{
    String Name;
    SvxUnogetInternalNameForItem( XATTR_LINEEND, 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).first->Get( XATTR_LINEEND ) );
        if( pItem->GetName() == aSearchName )
        {
            delete (*aIter).first;
            delete (*aIter).second;
            maItemSetVector.erase( aIter );
            return;
        }
        aIter++;
    }

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

// XNameReplace
void SAL_CALL SvxUnoMarkerTable::replaceByName( const OUString& aApiName, const uno::Any& aElement )
    throw( lang::IllegalArgumentException, container::NoSuchElementException, lang::WrappedTargetException, uno::RuntimeException )
{
    String aName;
    SvxUnogetInternalNameForItem( XATTR_LINEEND, 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).first->Get( XATTR_LINEEND ) );
        if( pItem->GetName() == aSearchName )
        {
            XLineEndItem aEndMarker;
            aEndMarker.SetName( aSearchName );
            if( !aEndMarker.PutValue( aElement ) )
                throw lang::IllegalArgumentException();

            (*aIter).first->Put( aEndMarker, XATTR_LINEEND );
            if( (*aIter).second )
                (*aIter).second->Put( aEndMarker, XATTR_LINEEND );

            XLineStartItem aStartMarker;
            aStartMarker.SetName( aSearchName );
            aStartMarker.PutValue( aElement );

            (*aIter).first->Put( aStartMarker, XATTR_LINESTART );
            if( (*aIter).second )
                (*aIter).second->Put( aStartMarker, XATTR_LINESTART );
            return;
        }
        aIter++;
    }

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

    USHORT nSurrogate;
    USHORT nStartCount = mpModelPool ? mpModelPool->GetItemCount( XATTR_LINESTART ) : 0;
    for( nSurrogate = 0; nSurrogate < nStartCount; nSurrogate++ )
    {
        pItem = (NameOrIndex*)mpModelPool->GetItem( XATTR_LINESTART, nSurrogate);
        if( pItem && pItem->GetName() == aSearchName )
        {
            pItem->PutValue( aElement );
            bFound = sal_True;
            break;
        }
    }

    USHORT nEndCount = mpStylePool ? mpStylePool->GetItemCount( XATTR_LINEEND ) : 0;
    for( nSurrogate = 0; nSurrogate < nEndCount; nSurrogate++ )
    {
        pItem = (NameOrIndex*)mpStylePool->GetItem( XATTR_LINEEND, nSurrogate);
        if( pItem && pItem->GetName() == aSearchName )
        {
            pItem->PutValue( aElement );
            bFound = sal_True;
            break;
        }
    }

    nStartCount = mpStylePool ? mpStylePool->GetItemCount( XATTR_LINESTART ) : 0;
    for( nSurrogate = 0; nSurrogate < nStartCount; nSurrogate++ )
    {
        pItem = (NameOrIndex*)mpModelPool->GetItem( XATTR_LINESTART, nSurrogate);
        if( pItem && pItem->GetName() == aSearchName )
        {
            pItem->PutValue( aElement );
            bFound = sal_True;
            break;
        }
    }

    nEndCount = mpModelPool ? mpModelPool->GetItemCount( XATTR_LINEEND ) : 0;
    for( nSurrogate = 0; nSurrogate < nEndCount; nSurrogate++ )
    {
        pItem = (NameOrIndex*)mpStylePool->GetItem( XATTR_LINEEND, nSurrogate);
        if( pItem && pItem->GetName() == aSearchName )
        {
            pItem->PutValue( aElement );
            bFound = sal_True;
            break;
        }
    }

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

static sal_Bool getByNameFromPool( const String& rSearchName, SfxItemPool* pPool, USHORT nWhich, uno::Any& rAny )
{
    NameOrIndex *pItem;
    const sal_Int32 nSurrogateCount = pPool ? (sal_Int32)pPool->GetItemCount( nWhich ) : 0;
    for( sal_Int32 nSurrogate = 0; nSurrogate < nSurrogateCount; nSurrogate++ )
    {
        pItem = (NameOrIndex*)pPool->GetItem( nWhich, (USHORT)nSurrogate );

        if( pItem && pItem->GetName() == rSearchName )
        {
            pItem->QueryValue( rAny, 0 );
            return sal_True;
        }
    }

    return sal_False;
}

// XNameAccess
uno::Any SAL_CALL SvxUnoMarkerTable::getByName( const OUString& aApiName )
    throw( container::NoSuchElementException,  lang::WrappedTargetException, uno::RuntimeException)
{
    String aName;
    SvxUnogetInternalNameForItem( XATTR_LINEEND, aApiName, aName );

    uno::Any aAny;

    if( mpModelPool && aName.Len() != 0 )
    {
        do
        {
            const String aSearchName( aName );
            if( getByNameFromPool( aSearchName, mpModelPool, XATTR_LINESTART, aAny ) )
                break;

            if( mpStylePool && getByNameFromPool( aSearchName, mpStylePool, XATTR_LINESTART, aAny ) )
                break;

            if( getByNameFromPool( aSearchName, mpModelPool, XATTR_LINEEND, aAny ) )
                break;

            if( mpStylePool && getByNameFromPool( aSearchName, mpStylePool, XATTR_LINEEND, aAny ) )
                break;

            throw container::NoSuchElementException();
        }
        while(0);
    }

    return aAny;
}

static void createNamesForPool( SfxItemPool* pPool, USHORT nWhich, sal_Int32 nSuroCount, uno::Sequence< OUString >& rSeq, OUString*& rpWritePos, sal_Int32& rCount )
{
    NameOrIndex *pItem;
    for( sal_Int32 nSurrogate = 0; nSurrogate < nSuroCount; nSurrogate++ )
    {
        pItem = (NameOrIndex*)pPool->GetItem( nWhich, (USHORT)nSurrogate );

        if( pItem == NULL || pItem->GetName().Len() == 0 )
            continue;

        // check if there is already a line start with this name
        const OUString aSearchName( pItem->GetName() );
        OUString* pStartNames = rSeq.getArray();
        sal_Bool bFound = sal_False;
        for( sal_Int32 i = 0; i < rCount; i++ )
        {
            if( *pStartNames++ == aSearchName )
            {
                bFound = sal_True;
                break;
            }
        }

        if( !bFound )
        {
            rCount++;

            SvxUnogetApiNameForItem( XATTR_LINEEND, pItem->GetName(), *rpWritePos );
            *rpWritePos++;
        }
    }
}

uno::Sequence< OUString > SAL_CALL SvxUnoMarkerTable::getElementNames()
    throw( uno::RuntimeException )
{
    const sal_Int32 nStartCount1 = mpModelPool ? (sal_Int32)mpModelPool->GetItemCount( XATTR_LINESTART ) : 0;
    const sal_Int32 nStartCount2 = mpStylePool ? (sal_Int32)mpStylePool->GetItemCount( XATTR_LINESTART ) : 0;
    const sal_Int32 nEndCount1 = mpModelPool ? (sal_Int32)mpModelPool->GetItemCount( XATTR_LINEEND ) : 0;
    const sal_Int32 nEndCount2 = mpStylePool ? (sal_Int32)mpStylePool->GetItemCount( XATTR_LINEEND ) : 0;
    sal_Int32 nCount = 0;

    uno::Sequence< OUString > aSeq( nStartCount1 + nEndCount1 + nStartCount2 + nEndCount2 );
    if( aSeq.getLength() )
    {
        OUString* pStrings = aSeq.getArray();

        // search model pool for line starts
        createNamesForPool( mpModelPool, XATTR_LINESTART, nStartCount1, aSeq, pStrings, nCount );

        // search style pool for line starts
        if( mpStylePool ) createNamesForPool( mpStylePool, XATTR_LINESTART, nStartCount2, aSeq, pStrings, nCount );

        // search model pool for line ends
        createNamesForPool( mpModelPool, XATTR_LINEEND, nEndCount1, aSeq, pStrings, nCount );

        // search style pool for line ends
        if( mpStylePool ) createNamesForPool( mpStylePool, XATTR_LINEEND, nEndCount2, aSeq, pStrings, nCount );

        DBG_ASSERT( nCount <= aSeq.getLength(), "SvxUnoMarkerTable Overflow!" );
        if( nCount < aSeq.getLength() )
            aSeq.realloc( nCount );
    }

    return aSeq;
}

sal_Bool SAL_CALL SvxUnoMarkerTable::hasByName( const OUString& aName )
    throw( uno::RuntimeException )
{
    if( aName.getLength() == 0 )
        return sal_False;

    const String aSearchName( aName );

    NameOrIndex *pItem;

    USHORT nStartCount = mpModelPool ? mpModelPool->GetItemCount( XATTR_LINESTART ) : 0;
    for( USHORT nSurrogate = 0; nSurrogate < nStartCount; nSurrogate++ )
    {
        pItem = (NameOrIndex*)mpModelPool->GetItem( XATTR_LINESTART, nSurrogate);
        if( pItem && pItem->GetName() == aSearchName )
            return sal_True;
    }

    nStartCount = mpStylePool ? mpStylePool->GetItemCount( XATTR_LINESTART ) : 0;
    for( nSurrogate = 0; nSurrogate < nStartCount; nSurrogate++ )
    {
        pItem = (NameOrIndex*)mpStylePool->GetItem( XATTR_LINESTART, nSurrogate);
        if( pItem && pItem->GetName() == aSearchName )
            return sal_True;
    }

    USHORT nEndCount = mpModelPool ? mpModelPool->GetItemCount( XATTR_LINEEND ) : 0;
    for( nSurrogate = 0; nSurrogate < nEndCount; nSurrogate++ )
    {
        pItem = (NameOrIndex*)mpModelPool->GetItem( XATTR_LINEEND, nSurrogate);
        if( pItem && pItem->GetName() == aSearchName )
            return sal_True;
    }

    nEndCount = mpStylePool ? mpStylePool->GetItemCount( XATTR_LINEEND ) : 0;
    for( nSurrogate = 0; nSurrogate < nEndCount; nSurrogate++ )
    {
        pItem = (NameOrIndex*)mpStylePool->GetItem( XATTR_LINEEND, nSurrogate);
        if( pItem && pItem->GetName() == aSearchName )
            return sal_True;
    }

    return sal_False;
}

// XElementAccess
uno::Type SAL_CALL SvxUnoMarkerTable::getElementType(  )
    throw( uno::RuntimeException )
{
    return ::getCppuType((const drawing::PointSequence*)0);
}

sal_Bool SAL_CALL SvxUnoMarkerTable::hasElements(  )
    throw( uno::RuntimeException )
{
    NameOrIndex *pItem;

    const USHORT nStartCount = mpModelPool ? mpModelPool->GetItemCount( XATTR_LINESTART ) : 0;
    for( USHORT nSurrogate = 0; nSurrogate < nStartCount; nSurrogate++ )
    {
        pItem = (NameOrIndex*)mpModelPool->GetItem( XATTR_LINESTART, nSurrogate);
        if( pItem && pItem->GetName().Len() != 0 )
            return sal_True;
    }

    const USHORT nEndCount = mpStylePool ? mpStylePool->GetItemCount( XATTR_LINEEND ) : 0;
    for( nSurrogate = 0; nSurrogate < nEndCount; nSurrogate++ )
    {
        pItem = (NameOrIndex*)mpStylePool->GetItem( XATTR_LINEEND, nSurrogate);
        if( pItem && pItem->GetName().Len() != 0 )
            return sal_True;
    }

    return sal_False;
}

/**
 * Create a hatchtable
 */
uno::Reference< uno::XInterface > SAL_CALL SvxUnoMarkerTable_createInstance( SdrModel* pModel )
{
    return *new SvxUnoMarkerTable(pModel);
}