/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/


// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_toolkit.hxx"
#include <com/sun/star/io/XMarkableStream.hpp>

#include <toolkit/controls/stdtabcontrollermodel.hxx>
#include <toolkit/helper/macros.hxx>
#include <toolkit/helper/servicenames.hxx>
#include <toolkit/helper/property.hxx>
#include <cppuhelper/typeprovider.hxx>
#include <rtl/memory.h>
#include <rtl/uuid.h>

#include <tools/debug.hxx>

#define UNOCONTROL_STREAMVERSION	(short)2

//	----------------------------------------------------
//	class UnoControlModelEntryList
//	----------------------------------------------------
UnoControlModelEntryList::UnoControlModelEntryList()
{
}

UnoControlModelEntryList::~UnoControlModelEntryList()
{
	Reset();
}

void UnoControlModelEntryList::Reset()
{
	for ( sal_uInt32 n = Count(); n; )
		DestroyEntry( --n );
}

void UnoControlModelEntryList::DestroyEntry( sal_uInt32 nEntry )
{
	UnoControlModelEntry* pEntry = GetObject( nEntry );

	if ( pEntry->bGroup )
		delete pEntry->pGroup;
	else
		delete pEntry->pxControl;

	Remove( nEntry );
	delete pEntry;
}

//	----------------------------------------------------
//	class StdTabControllerModel
//	----------------------------------------------------
StdTabControllerModel::StdTabControllerModel()
{
	mbGroupControl = sal_True;
}

StdTabControllerModel::~StdTabControllerModel()
{
}

sal_uInt32 StdTabControllerModel::ImplGetControlCount( const UnoControlModelEntryList& rList ) const
{
	sal_uInt32 nCount = 0;
	sal_uInt32 nEntries = rList.Count();
	for ( sal_uInt32 n = 0; n < nEntries; n++ )
	{
		UnoControlModelEntry* pEntry = rList.GetObject( n );
		if ( pEntry->bGroup )
			nCount += ImplGetControlCount( *pEntry->pGroup );
		else
			nCount++;
	}
	return nCount;
}

void StdTabControllerModel::ImplGetControlModels( ::com::sun::star::uno::Reference< ::com::sun::star::awt::XControlModel > ** ppRefs, const UnoControlModelEntryList& rList ) const
{
	sal_uInt32 nEntries = rList.Count();
	for ( sal_uInt32 n = 0; n < nEntries; n++ )
	{
		UnoControlModelEntry* pEntry = rList.GetObject( n );
		if ( pEntry->bGroup )
			ImplGetControlModels( ppRefs, *pEntry->pGroup );
		else
		{
			**ppRefs = *pEntry->pxControl;
			(*ppRefs)++;
		}
	}
}

void StdTabControllerModel::ImplSetControlModels( UnoControlModelEntryList& rList, const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Reference< ::com::sun::star::awt::XControlModel > >& Controls ) const
{
	const ::com::sun::star::uno::Reference< ::com::sun::star::awt::XControlModel > * pRefs = Controls.getConstArray();
	sal_uInt32 nControls = Controls.getLength();
	for ( sal_uInt32 n = 0; n < nControls; n++ )
	{
		UnoControlModelEntry* pNewEntry = new UnoControlModelEntry;
		pNewEntry->bGroup = sal_False;
		pNewEntry->pxControl = new ::com::sun::star::uno::Reference< ::com::sun::star::awt::XControlModel > ;
		*pNewEntry->pxControl = pRefs[n];
		rList.Insert( pNewEntry, LIST_APPEND );
	}
}

sal_uInt32 StdTabControllerModel::ImplGetControlPos( const ::com::sun::star::uno::Reference< ::com::sun::star::awt::XControlModel >  xCtrl, const UnoControlModelEntryList& rList ) const
{
	for ( sal_uInt32 n = rList.Count(); n; )
	{
		UnoControlModelEntry* pEntry = rList.GetObject( --n );
		if ( !pEntry->bGroup && ( *pEntry->pxControl == xCtrl ) )
			return n;
	}
	return CONTROLPOS_NOTFOUND;
}

void ImplWriteControls( const ::com::sun::star::uno::Reference< ::com::sun::star::io::XObjectOutputStream > & OutStream, const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Reference< ::com::sun::star::awt::XControlModel > >& rCtrls )
{
	::com::sun::star::uno::Reference< ::com::sun::star::io::XMarkableStream >  xMark( OutStream, ::com::sun::star::uno::UNO_QUERY );
	DBG_ASSERT( xMark.is(), "write: no XMarkableStream!" );

	sal_uInt32 nStoredControls = 0;
	sal_Int32 nDataBeginMark = xMark->createMark();

	OutStream->writeLong( 0L );	// DataLen
	OutStream->writeLong( 0L );	// nStoredControls

	sal_uInt32 nCtrls = rCtrls.getLength();
	for ( sal_uInt32 n = 0; n < nCtrls; n++ )
	{
		const ::com::sun::star::uno::Reference< ::com::sun::star::awt::XControlModel >  xI = rCtrls.getConstArray()[n];
		::com::sun::star::uno::Reference< ::com::sun::star::io::XPersistObject >  xPO( xI, ::com::sun::star::uno::UNO_QUERY );
		DBG_ASSERT( xPO.is(), "write: Control doesn't support XPersistObject" );
		if ( xPO.is() )
		{
			OutStream->writeObject( xPO );
			nStoredControls++;
		}
	}
	sal_Int32 nDataLen = xMark->offsetToMark( nDataBeginMark );
	xMark->jumpToMark( nDataBeginMark );
	OutStream->writeLong( nDataLen );
	OutStream->writeLong( nStoredControls );
	xMark->jumpToFurthest();
	xMark->deleteMark(nDataBeginMark);
}

::com::sun::star::uno::Sequence< ::com::sun::star::uno::Reference< ::com::sun::star::awt::XControlModel > > ImplReadControls( const ::com::sun::star::uno::Reference< ::com::sun::star::io::XObjectInputStream > & InStream )
{
	::com::sun::star::uno::Reference< ::com::sun::star::io::XMarkableStream >  xMark( InStream, ::com::sun::star::uno::UNO_QUERY );
	DBG_ASSERT( xMark.is(), "write: no XMarkableStream!" );

	sal_Int32 nDataBeginMark = xMark->createMark();

	sal_Int32 nDataLen = InStream->readLong();
	sal_uInt32 nCtrls = InStream->readLong();

	::com::sun::star::uno::Sequence< ::com::sun::star::uno::Reference< ::com::sun::star::awt::XControlModel > > aSeq( nCtrls );
	for ( sal_uInt32 n = 0; n < nCtrls; n++ )
	{
		::com::sun::star::uno::Reference< ::com::sun::star::io::XPersistObject >  xObj = InStream->readObject();
		::com::sun::star::uno::Reference< ::com::sun::star::awt::XControlModel >  xI( xObj, ::com::sun::star::uno::UNO_QUERY );
		aSeq.getArray()[n] = xI;
	}

	// Falls bereits mehr drinsteht als diese Version kennt:
	xMark->jumpToMark( nDataBeginMark );
	InStream->skipBytes( nDataLen );
	xMark->deleteMark(nDataBeginMark);
	return aSeq;
}


// ::com::sun::star::uno::XInterface
::com::sun::star::uno::Any StdTabControllerModel::queryAggregation( const ::com::sun::star::uno::Type & rType ) throw(::com::sun::star::uno::RuntimeException)
{
	::com::sun::star::uno::Any aRet = ::cppu::queryInterface( rType,
										SAL_STATIC_CAST( ::com::sun::star::awt::XTabControllerModel*, this ),
										SAL_STATIC_CAST( ::com::sun::star::lang::XServiceInfo*, this ),
										SAL_STATIC_CAST( ::com::sun::star::io::XPersistObject*, this ),
										SAL_STATIC_CAST( ::com::sun::star::lang::XTypeProvider*, this ) );
	return (aRet.hasValue() ? aRet : OWeakAggObject::queryAggregation( rType ));
}

// ::com::sun::star::lang::XTypeProvider
IMPL_XTYPEPROVIDER_START( StdTabControllerModel )
	getCppuType( ( ::com::sun::star::uno::Reference< ::com::sun::star::awt::XTabControllerModel>* ) NULL ),
	getCppuType( ( ::com::sun::star::uno::Reference< ::com::sun::star::lang::XServiceInfo>* ) NULL ),
	getCppuType( ( ::com::sun::star::uno::Reference< ::com::sun::star::io::XPersistObject>* ) NULL )
IMPL_XTYPEPROVIDER_END

sal_Bool StdTabControllerModel::getGroupControl(  ) throw(::com::sun::star::uno::RuntimeException)
{
	::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
	
	return mbGroupControl;
}

void StdTabControllerModel::setGroupControl( sal_Bool GroupControl ) throw(::com::sun::star::uno::RuntimeException)
{
	::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
	
	mbGroupControl = GroupControl;
}

void StdTabControllerModel::setControlModels( const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Reference< ::com::sun::star::awt::XControlModel > >& Controls ) throw(::com::sun::star::uno::RuntimeException)
{
	::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
	
	maControls.Reset();
	ImplSetControlModels( maControls, Controls );
}

::com::sun::star::uno::Sequence< ::com::sun::star::uno::Reference< ::com::sun::star::awt::XControlModel > > StdTabControllerModel::getControlModels(  ) throw(::com::sun::star::uno::RuntimeException)
{
	::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
	
	::com::sun::star::uno::Sequence< ::com::sun::star::uno::Reference< ::com::sun::star::awt::XControlModel > > aSeq( ImplGetControlCount( maControls ) );
	::com::sun::star::uno::Reference< ::com::sun::star::awt::XControlModel > * pRefs = aSeq.getArray();
	ImplGetControlModels( &pRefs, maControls );
	return aSeq;
}

void StdTabControllerModel::setGroup( const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Reference< ::com::sun::star::awt::XControlModel > >& Group, const ::rtl::OUString& GroupName ) throw(::com::sun::star::uno::RuntimeException)
{
	::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
	
	// Die Controls stehen eventuel flach in der Liste und werden jetzt gruppiert.
	// Verschachtelte Gruppen sind erstmal nicht moeglich...
	// Das erste Element der Gruppe welches auch schon in der flachen Liste
	// stand bestimmt die Position der Gruppe.

	UnoControlModelEntry* pNewEntry = new UnoControlModelEntry;
	pNewEntry->bGroup = sal_True;
	pNewEntry->pGroup = new UnoControlModelEntryList;
	pNewEntry->pGroup->SetName( GroupName );
	ImplSetControlModels( *pNewEntry->pGroup, Group );

	sal_Bool bInserted = sal_False;
	sal_uInt32 nElements = pNewEntry->pGroup->Count();
	for ( sal_uInt32 n = 0; n < nElements; n++ )
	{
		UnoControlModelEntry* pEntry = pNewEntry->pGroup->GetObject( n );
		if ( !pEntry->bGroup )
		{
			sal_uInt32 nPos = ImplGetControlPos( *pEntry->pxControl, maControls );
			// Eigentlich sollten alle Controls vorher in der flachen Liste stehen
			DBG_ASSERT( nPos != CONTROLPOS_NOTFOUND, "setGroup - Element not found" );
			if ( nPos != CONTROLPOS_NOTFOUND )
			{
				maControls.DestroyEntry( nPos );
				if ( !bInserted )
				{
					maControls.Insert( pNewEntry, nPos );
					bInserted = sal_True;
				}
			}
		}
	}
	if ( !bInserted )
		maControls.Insert( pNewEntry, LIST_APPEND );
}

sal_Int32 StdTabControllerModel::getGroupCount(  ) throw(::com::sun::star::uno::RuntimeException)
{
	::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
	
	// erstmal nur eine Ebene...
	// Das Model und die Impl-Methoden arbeiten zwar rekursiv, aber das wird
	// erstmal nich nach aussen gegeben.

	sal_Int32 nGroups = 0;
	sal_uInt32 nEntries = maControls.Count();
	for ( sal_uInt32 n = 0; n < nEntries; n++ )
	{
		UnoControlModelEntry* pEntry = maControls.GetObject( n );
		if ( pEntry->bGroup )
			nGroups++;
	}
	return nGroups;
}

void StdTabControllerModel::getGroup( sal_Int32 nGroup, ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Reference< ::com::sun::star::awt::XControlModel > >& rGroup, ::rtl::OUString& rName ) throw(::com::sun::star::uno::RuntimeException)
{
	::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
	
	::com::sun::star::uno::Sequence< ::com::sun::star::uno::Reference< ::com::sun::star::awt::XControlModel > > aSeq;
	sal_uInt32 nG = 0;
	sal_uInt32 nEntries = maControls.Count();
	for ( sal_uInt32 n = 0; n < nEntries; n++ )
	{
		UnoControlModelEntry* pEntry = maControls.GetObject( n );
		if ( pEntry->bGroup )
		{
			if ( nG == (sal_uInt32)nGroup )
			{
				sal_uInt32 nCount = ImplGetControlCount( *pEntry->pGroup );
				aSeq = ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Reference< ::com::sun::star::awt::XControlModel > >( nCount );
				::com::sun::star::uno::Reference< ::com::sun::star::awt::XControlModel > * pRefs = aSeq.getArray();
				ImplGetControlModels( &pRefs, *pEntry->pGroup );
				rName = pEntry->pGroup->GetName();
				break;
			}
			nG++;
		}
	}
	rGroup = aSeq;
}

void StdTabControllerModel::getGroupByName( const ::rtl::OUString& rName, ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Reference< ::com::sun::star::awt::XControlModel > >& rGroup ) throw(::com::sun::star::uno::RuntimeException)
{
	::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
	
	sal_uInt32 nGroup = 0;
	sal_uInt32 nEntries = maControls.Count();
	for ( sal_uInt32 n = 0; n < nEntries; n++ )
	{
		UnoControlModelEntry* pEntry = maControls.GetObject( n );
		if ( pEntry->bGroup )
		{
			if ( pEntry->pGroup->GetName() == rName )
			{
				::rtl::OUString Dummy;
				getGroup( nGroup, rGroup, Dummy );
				break;
			}
			nGroup++;
		}
	}
}


// ::com::sun::star::io::XPersistObject
::rtl::OUString StdTabControllerModel::getServiceName(  ) throw(::com::sun::star::uno::RuntimeException)
{
	return ::rtl::OUString::createFromAscii( szServiceName_TabControllerModel );
}

void StdTabControllerModel::write( const ::com::sun::star::uno::Reference< ::com::sun::star::io::XObjectOutputStream >& OutStream ) throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException)
{
	::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
	
	::com::sun::star::uno::Reference< ::com::sun::star::io::XMarkableStream >  xMark( OutStream, ::com::sun::star::uno::UNO_QUERY );
	DBG_ASSERT( xMark.is(), "write: no XMarkableStream!" );

	OutStream->writeShort( UNOCONTROL_STREAMVERSION );

	::com::sun::star::uno::Sequence< ::com::sun::star::uno::Reference< ::com::sun::star::awt::XControlModel > > aCtrls = getControlModels();
	ImplWriteControls( OutStream, aCtrls );

	sal_uInt32 nGroups = getGroupCount();
	OutStream->writeLong( nGroups );
	for ( sal_uInt32 n = 0; n < nGroups; n++ )
	{
		::com::sun::star::uno::Sequence< ::com::sun::star::uno::Reference< ::com::sun::star::awt::XControlModel > > aGroupCtrls;
		::rtl::OUString aGroupName;
		getGroup( n, aGroupCtrls, aGroupName );
		OutStream->writeUTF( aGroupName );
		ImplWriteControls( OutStream, aGroupCtrls );
	}
}

void StdTabControllerModel::read( const ::com::sun::star::uno::Reference< ::com::sun::star::io::XObjectInputStream >& InStream ) throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException)
{
	::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
	
	::com::sun::star::uno::Sequence< ::com::sun::star::uno::Reference< ::com::sun::star::awt::XControlModel > > aSeq = ImplReadControls( InStream );
	setControlModels( aSeq );

	sal_uInt32 nGroups = InStream->readLong();
	for ( sal_uInt32 n = 0; n < nGroups; n++ )
	{
		::rtl::OUString aGroupName = InStream->readUTF();
		::com::sun::star::uno::Sequence< ::com::sun::star::uno::Reference< ::com::sun::star::awt::XControlModel > > aCtrlSeq = ImplReadControls( InStream );
		setGroup( aCtrlSeq, aGroupName );
	}
}