libreoffice/svx/source/form/fmobj.cxx

/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2008 by Sun Microsystems, Inc.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * $RCSfile: fmobj.cxx,v $
 * $Revision: 1.23 $
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org 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 version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
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 ************************************************************************/

// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_svx.hxx"
#include <tools/resmgr.hxx>
#include <tools/diagnose_ex.h>
#include "fmobj.hxx"
#include "fmprop.hrc"
#include "fmvwimp.hxx"
#include <svx/editeng.hxx>
#include <svx/svdovirt.hxx>

/** === begin UNO includes === **/
#include <com/sun/star/awt/XDevice.hpp>
#include <com/sun/star/script/XEventAttacherManager.hpp>
#include <com/sun/star/io/XPersistObject.hpp>
#include <com/sun/star/awt/XControlContainer.hpp>
/** === end UNO includes === **/
#include <svx/fmmodel.hxx>
#include "fmtools.hxx"
#include <tools/shl.hxx>
#include <svx/dialmgr.hxx>

#include "fmresids.hrc"
#include <svx/fmview.hxx>
#include <svx/fmglob.hxx>

#include "fmpgeimp.hxx"
#include <svx/fmpage.hxx>
#include <comphelper/property.hxx>
#include <comphelper/processfactory.hxx>
#include <toolkit/awt/vclxdevice.hxx>
#include <vcl/svapp.hxx>

using namespace ::com::sun::star::io;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::awt;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::util;
using namespace ::com::sun::star::form;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::script;
using namespace ::com::sun::star::container;
using namespace ::svxform;

TYPEINIT1(FmFormObj, SdrUnoObj);
DBG_NAME(FmFormObj);
//------------------------------------------------------------------
FmFormObj::FmFormObj(const ::rtl::OUString& rModelName,sal_Int32 _nType)
          :SdrUnoObj                ( rModelName    )
          ,m_nPos                   ( -1            )
          ,m_nType                  ( _nType        )
          ,m_pLastKnownRefDevice    ( NULL          )
{
    DBG_CTOR(FmFormObj, NULL);
}

//------------------------------------------------------------------
FmFormObj::FmFormObj( sal_Int32 _nType )
          :SdrUnoObj                ( String()  )
          ,m_nPos                   ( -1        )
          ,m_nType                  ( _nType    )
          ,m_pLastKnownRefDevice    ( NULL      )
{
    DBG_CTOR(FmFormObj, NULL);
}

//------------------------------------------------------------------
FmFormObj::~FmFormObj()
{
    DBG_DTOR(FmFormObj, NULL);

    Reference< XComponent> xHistory(m_xEnvironmentHistory, UNO_QUERY);
    if (xHistory.is())
        xHistory->dispose();

    m_xEnvironmentHistory = NULL;
    m_aEventsHistory.realloc(0);
}

//------------------------------------------------------------------
void FmFormObj::SetObjEnv(const Reference< XIndexContainer > & xForm, const sal_Int32 nIdx,
                          const Sequence< ScriptEventDescriptor >& rEvts)
{
    m_xParent = xForm;
    aEvts     = rEvts;
    m_nPos    = nIdx;
}

//------------------------------------------------------------------
void FmFormObj::ClearObjEnv()
{
    m_xParent.clear();
    aEvts.realloc( 0 );
    m_nPos = -1;
}

//------------------------------------------------------------------
void FmFormObj::impl_isolateControlModel_nothrow()
{
    try
    {
        Reference< XChild > xControlModel( GetUnoControlModel(), UNO_QUERY );
        if ( xControlModel.is() )
        {
            Reference< XIndexContainer> xParent( xControlModel->getParent(), UNO_QUERY );
            if ( xParent.is() )
            {
                sal_Int32 nPos = getElementPos( xParent.get(), xControlModel );
                xParent->removeByIndex( nPos );
            }
        }
    }
    catch( const Exception& )
    {
        DBG_UNHANDLED_EXCEPTION();
    }
}

//------------------------------------------------------------------
void FmFormObj::SetPage(SdrPage* _pNewPage)
{
    if ( GetPage() == _pNewPage )
    {
        SdrUnoObj::SetPage(_pNewPage);
        return;
    }

    FmFormPage* pOldFormPage = PTR_CAST( FmFormPage, GetPage() );
    if ( pOldFormPage )
        pOldFormPage->GetImpl().formObjectRemoved( *this );

    FmFormPage* pNewFormPage = PTR_CAST( FmFormPage, _pNewPage );
    if ( !pNewFormPage )
    {   // Maybe it makes sense to create an environment history here : if somebody set's our page to NULL, and we have a valid page before,
        // me may want to remember our place within the old page. For this we could create a new m_xEnvironmentHistory to store it.
        // So the next SetPage with a valid new page would restore that environment within the new page.
        // But for the original Bug (#57300#) we don't need that, so I omit it here. Maybe this will be implemented later.
        impl_isolateControlModel_nothrow();
        SdrUnoObj::SetPage(_pNewPage);
        return;
    }

    Reference< XIndexContainer >        xNewPageForms( pNewFormPage->GetForms( true ), UNO_QUERY );
    Reference< XIndexContainer >        xNewParent;
    Sequence< ScriptEventDescriptor>    aNewEvents;

    // calc the new parent for my model (within the new page's forms hierarchy)
    // do we have a history ? (from :Clone)
    if ( m_xEnvironmentHistory.is() )
    {
        // the element in m_xEnvironmentHistory which is equivalent to my new parent (which (perhaps) has to be created within _pNewPage->GetForms)
        // is the right-most element in the tree.
        Reference< XIndexContainer > xRightMostLeaf = m_xEnvironmentHistory;
        try
        {
            while ( xRightMostLeaf->getCount() )
            {
                xRightMostLeaf.set(
                    xRightMostLeaf->getByIndex( xRightMostLeaf->getCount() - 1 ),
                    UNO_QUERY_THROW
                );
            }

            xNewParent.set( ensureModelEnv( xRightMostLeaf, xNewPageForms ), UNO_QUERY_THROW );

            // we successfully cloned the environment in m_xEnvironmentHistory, so we can use m_aEventsHistory
            // (which describes the events of our model at the moment m_xEnvironmentHistory was created)
            aNewEvents = m_aEventsHistory;
        }
        catch( const Exception& )
        {
            DBG_UNHANDLED_EXCEPTION();
        }
    }

    if ( !xNewParent.is() )
    {
        // are we a valid part of our current page forms ?
        Reference< XIndexContainer > xOldForms;
        if ( pOldFormPage )
            xOldForms.set( pOldFormPage->GetForms(), UNO_QUERY_THROW );

        if ( xOldForms.is() )
        {
            // search (upward from our model) for xOldForms
            Reference< XChild > xSearch( GetUnoControlModel(), UNO_QUERY );
            while (xSearch.is())
            {
                if ( xSearch == xOldForms )
                    break;
                xSearch = Reference< XChild >( xSearch->getParent(), UNO_QUERY );
            }
            if ( xSearch.is() ) // implies xSearch == xOldForms, which means we're a valid part of our current page forms hierarchy
            {
                Reference< XChild >  xMeAsChild( GetUnoControlModel(), UNO_QUERY );
                xNewParent.set( ensureModelEnv( xMeAsChild->getParent(), xNewPageForms ), UNO_QUERY );

                if ( xNewParent.is() )
                {
                    try
                    {
                        // transfer the events from our (model's) parent to the new (model's) parent, too
                        Reference< XEventAttacherManager >  xEventManager(xMeAsChild->getParent(), UNO_QUERY);
                        Reference< XIndexAccess >  xManagerAsIndex(xEventManager, UNO_QUERY);
                        if (xManagerAsIndex.is())
                        {
                            sal_Int32 nPos = getElementPos(xManagerAsIndex, xMeAsChild);
                            if (nPos >= 0)
                                aNewEvents = xEventManager->getScriptEvents(nPos);
                        }
                        else
                            aNewEvents = aEvts;
                    }
                    catch( const Exception& )
                    {
                        DBG_UNHANDLED_EXCEPTION();
                    }
                }
            }
        }
    }

    // now set the page
    SdrUnoObj::SetPage(_pNewPage);

    // place my model within the new parent container
    if (xNewParent.is())
    {
        Reference< XFormComponent >  xMeAsFormComp(GetUnoControlModel(), UNO_QUERY);
        if (xMeAsFormComp.is())
        {
            // check if I have another parent (and remove me, if neccessary)
            Reference< XIndexContainer >  xOldParent(xMeAsFormComp->getParent(), UNO_QUERY);
            if (xOldParent.is())
            {
                sal_Int32 nPos = getElementPos(Reference< XIndexAccess > (xOldParent, UNO_QUERY), xMeAsFormComp);
                if (nPos > -1)
                    xOldParent->removeByIndex(nPos);
            }
            // and insert into the new container
            xNewParent->insertByIndex(xNewParent->getCount(), makeAny(xMeAsFormComp));

            // transfer the events
            if (aNewEvents.getLength())
            {
                try
                {
                    Reference< XEventAttacherManager >  xEventManager(xNewParent, UNO_QUERY);
                    Reference< XIndexAccess >  xManagerAsIndex(xEventManager, UNO_QUERY);
                    if (xManagerAsIndex.is())
                    {
                        sal_Int32 nPos = getElementPos(xManagerAsIndex, xMeAsFormComp);
                        DBG_ASSERT(nPos >= 0, "FmFormObj::SetPage : inserted but not present ?");
                        xEventManager->registerScriptEvents(nPos, aNewEvents);
                    }
                }
                catch( const Exception& )
                {
                    DBG_UNHANDLED_EXCEPTION();
                }

            }
        }
    }

    // delete my history
    Reference< XComponent> xHistory(m_xEnvironmentHistory, UNO_QUERY);
    if (xHistory.is())
        xHistory->dispose();

    m_xEnvironmentHistory = NULL;
    m_aEventsHistory.realloc(0);

    if ( pNewFormPage )
        pNewFormPage->GetImpl().formObjectInserted( *this );
}

//------------------------------------------------------------------
sal_uInt32 FmFormObj::GetObjInventor()   const
{
    return FmFormInventor;
}

//------------------------------------------------------------------
sal_uInt16 FmFormObj::GetObjIdentifier() const
{
    return OBJ_UNO;
}

//------------------------------------------------------------------
void FmFormObj::clonedFrom(const FmFormObj* _pSource)
{
    DBG_ASSERT(_pSource != NULL, "FmFormObj::clonedFrom : invalid source !");
    Reference< XComponent> xHistory(m_xEnvironmentHistory, UNO_QUERY);
    if (xHistory.is())
        xHistory->dispose();

    m_xEnvironmentHistory = NULL;
    m_aEventsHistory.realloc(0);

    Reference< XChild >  xSourceAsChild(_pSource->GetUnoControlModel(), UNO_QUERY);
    if (!xSourceAsChild.is())
        return;

    Reference< XInterface >  xSourceContainer = xSourceAsChild->getParent();

    m_xEnvironmentHistory = Reference< XIndexContainer >(
        ::comphelper::getProcessServiceFactory()->createInstance(::rtl::OUString::createFromAscii("com.sun.star.form.Forms")),
        UNO_QUERY);
    DBG_ASSERT(m_xEnvironmentHistory.is(), "FmFormObj::clonedFrom : could not create a forms collection !");

    if (m_xEnvironmentHistory.is())
    {
        ensureModelEnv(xSourceContainer, m_xEnvironmentHistory);
        m_aEventsHistory = aEvts;
            // if we we're clone there was a call to operator=, so aEvts are excatly the events we need here ...
    }
}

//------------------------------------------------------------------
SdrObject* FmFormObj::Clone() const
{
    SdrObject* pReturn = SdrUnoObj::Clone();

    FmFormObj* pFormObject = PTR_CAST(FmFormObj, pReturn);
    DBG_ASSERT(pFormObject != NULL, "FmFormObj::Clone : invalid clone !");
    if (pFormObject)
        pFormObject->clonedFrom(this);

    return pReturn;
}

//------------------------------------------------------------------
void FmFormObj::ReformatText()
{
    const FmFormModel* pFormModel = PTR_CAST( FmFormModel, GetModel() );
    OutputDevice* pCurrentRefDevice = pFormModel ? pFormModel->GetRefDevice() : NULL;

    if ( m_pLastKnownRefDevice != pCurrentRefDevice )
    {
        m_pLastKnownRefDevice = pCurrentRefDevice;

        try
        {
            Reference< XPropertySet > xModelProps( GetUnoControlModel(), UNO_QUERY );
            Reference< XPropertySetInfo > xPropertyInfo;
            if ( xModelProps.is() )
                xPropertyInfo = xModelProps->getPropertySetInfo();

            const ::rtl::OUString sRefDevicePropName( RTL_CONSTASCII_USTRINGPARAM( "ReferenceDevice" ) );
            if ( xPropertyInfo.is() && xPropertyInfo->hasPropertyByName( sRefDevicePropName ) )
            {
                VCLXDevice* pUnoRefDevice = new VCLXDevice;
                pUnoRefDevice->SetOutputDevice( m_pLastKnownRefDevice );
                Reference< XDevice > xRefDevice( pUnoRefDevice );
                xModelProps->setPropertyValue( sRefDevicePropName, makeAny( xRefDevice ) );
            }
        }
        catch( const Exception& )
        {
            OSL_ENSURE( sal_False, "FmFormObj::ReformatText: caught an exception!" );
        }
    }

    SdrUnoObj::ReformatText();
}

//------------------------------------------------------------------
void FmFormObj::operator= (const SdrObject& rObj)
{
    SdrUnoObj::operator= (rObj);

    FmFormObj* pFormObj = PTR_CAST(FmFormObj, &rObj);
    if (pFormObj)
    {
        // liegt das UnoControlModel in einer Eventumgebung,
        // dann koennen noch Events zugeordnet sein
        Reference< XFormComponent >  xContent(pFormObj->xUnoControlModel, UNO_QUERY);
        if (xContent.is())
        {
            Reference< XEventAttacherManager >  xManager(xContent->getParent(), UNO_QUERY);
            Reference< XIndexAccess >  xManagerAsIndex(xManager, UNO_QUERY);
            if (xManagerAsIndex.is())
            {
                sal_Int32 nPos = getElementPos( xManagerAsIndex, xContent );
                if ( nPos >= 0 )
                    aEvts = xManager->getScriptEvents( nPos );
            }
        }
        else
            aEvts = pFormObj->aEvts;
    }
}

//------------------------------------------------------------------
Reference< XInterface >  FmFormObj::ensureModelEnv(const Reference< XInterface > & _rSourceContainer, const ::com::sun::star::uno::Reference< ::com::sun::star::container::XIndexContainer >  _rTopLevelDestContainer)
{
    Reference< XInterface >  xTopLevelSouce;
    String sAccessPath = getFormComponentAccessPath(_rSourceContainer, xTopLevelSouce);
    if (!xTopLevelSouce.is())
        // somthing went wrong, maybe _rSourceContainer isn't part of a valid forms hierarchy
        return Reference< XInterface > ();

    Reference< XIndexContainer >  xDestContainer(_rTopLevelDestContainer);
    Reference< XIndexContainer >  xSourceContainer(xTopLevelSouce, UNO_QUERY);
    DBG_ASSERT(xSourceContainer.is(), "FmFormObj::ensureModelEnv : the top level source is invalid !");

    for (xub_StrLen i=0; i<sAccessPath.GetTokenCount('\\'); ++i)
    {
        sal_uInt16 nIndex = (sal_uInt16)sAccessPath.GetToken(i, '\\').ToInt32();

        // get the DSS of the source form (we have to find an aquivalent for)
        DBG_ASSERT(nIndex<xSourceContainer->getCount(), "FmFormObj::ensureModelEnv : invalid access path !");
        Reference< XPropertySet >  xSourceForm;
        xSourceContainer->getByIndex(nIndex) >>= xSourceForm;
        DBG_ASSERT(xSourceForm.is(), "FmFormObj::ensureModelEnv : invalid source form !");

        Any aSrcCursorSource, aSrcCursorSourceType, aSrcDataSource;
        DBG_ASSERT(::comphelper::hasProperty(FM_PROP_COMMAND, xSourceForm) && ::comphelper::hasProperty(FM_PROP_COMMANDTYPE, xSourceForm)
            && ::comphelper::hasProperty(FM_PROP_DATASOURCE, xSourceForm), "FmFormObj::ensureModelEnv : invalid access path or invalid form (missing props) !");
            // the parent access path should refer to a row set
        try
        {
            aSrcCursorSource        = xSourceForm->getPropertyValue(FM_PROP_COMMAND);
            aSrcCursorSourceType    = xSourceForm->getPropertyValue(FM_PROP_COMMANDTYPE);
            aSrcDataSource          = xSourceForm->getPropertyValue(FM_PROP_DATASOURCE);
        }
        catch(Exception&)
        {
            DBG_ERROR("FmFormObj::ensureModelEnv : could not retrieve a source DSS !");
        }


        // calc the number of (source) form siblings with the same DSS
        Reference< XPropertySet >  xCurrentSourceForm, xCurrentDestForm;
        sal_Int16 nCurrentSourceIndex = 0, nCurrentDestIndex = 0;
        while (nCurrentSourceIndex <= nIndex)
        {
            sal_Bool bEqualDSS = sal_False;
            while (!bEqualDSS)  // (we don't have to check nCurrentSourceIndex here : it's bounded by nIndex)
            {
                xSourceContainer->getByIndex(nCurrentSourceIndex) >>= xCurrentSourceForm;
                DBG_ASSERT(xCurrentSourceForm.is(), "FmFormObj::ensureModelEnv : invalid form ancestor (2) !");
                bEqualDSS = sal_False;
                if (::comphelper::hasProperty(FM_PROP_DATASOURCE, xCurrentSourceForm))
                {   // it is a form
                    try
                    {
                        if  (   ::comphelper::compare(xCurrentSourceForm->getPropertyValue(FM_PROP_COMMAND), aSrcCursorSource)
                            &&  ::comphelper::compare(xCurrentSourceForm->getPropertyValue(FM_PROP_COMMANDTYPE), aSrcCursorSourceType)
                            &&  ::comphelper::compare(xCurrentSourceForm->getPropertyValue(FM_PROP_DATASOURCE), aSrcDataSource)
                            )
                        {
                            bEqualDSS = sal_True;
                        }
                    }
                    catch(Exception&)
                    {
                        DBG_ERROR("FmFormObj::ensureModelEnv : exception while getting a sibling's DSS !");
                    }

                }
                ++nCurrentSourceIndex;
            }

            DBG_ASSERT(bEqualDSS, "FmFormObj::ensureModelEnv : found no source form !");
            // ??? at least the nIndex-th one should have been found ???

            // now search the next one with the given DSS (within the destination container)
            bEqualDSS = sal_False;
            while (!bEqualDSS && (nCurrentDestIndex < xDestContainer->getCount()))
            {
                xDestContainer->getByIndex(nCurrentDestIndex) >>= xCurrentDestForm;
                DBG_ASSERT(xCurrentDestForm.is(), "FmFormObj::ensureModelEnv : invalid destination form !");
                bEqualDSS = sal_False;
                if (::comphelper::hasProperty(FM_PROP_DATASOURCE, xCurrentDestForm))
                {   // it is a form
                    try
                    {
                        if  (   ::comphelper::compare(xCurrentDestForm->getPropertyValue(FM_PROP_COMMAND), aSrcCursorSource)
                            &&  ::comphelper::compare(xCurrentDestForm->getPropertyValue(FM_PROP_COMMANDTYPE), aSrcCursorSourceType)
                            &&  ::comphelper::compare(xCurrentDestForm->getPropertyValue(FM_PROP_DATASOURCE), aSrcDataSource)
                            )
                        {
                            bEqualDSS = sal_True;
                        }
                    }
                    catch(Exception&)
                    {
                        DBG_ERROR("FmFormObj::ensureModelEnv : exception while getting a destination DSS !");
                    }

                }
                ++nCurrentDestIndex;
            }

            if (!bEqualDSS)
            {   // There is at least one more source form with the given DSS than destination forms are.
                // correct this ...
                try
                {
                    Reference< XPersistObject >  xSourcePersist(xCurrentSourceForm, UNO_QUERY);
                    DBG_ASSERT(xSourcePersist.is(), "FmFormObj::ensureModelEnv : invalid form (no persist object) !");

                    // create and insert (into the destination) a clone of the form
                    xCurrentDestForm = Reference< XPropertySet > (cloneUsingProperties(xSourcePersist), UNO_QUERY);
                    DBG_ASSERT(xCurrentDestForm.is(), "FmFormObj::ensureModelEnv : invalid cloned form !");

                    DBG_ASSERT(nCurrentDestIndex == xDestContainer->getCount(), "FmFormObj::ensureModelEnv : something went wrong with the numbers !");
                    xDestContainer->insertByIndex(nCurrentDestIndex, makeAny(xCurrentDestForm));

                    ++nCurrentDestIndex;
                        // like nCurrentSourceIndex, nCurrentDestIndex now points 'behind' the form it actally means
                }
                catch(Exception&)
                {
                    DBG_ERROR("FmFormObj::ensureModelEnv : something went seriously wrong while creating a new form !");
                    // no more options anymore ...
                    return Reference< XInterface > ();
                }

            }
        }

        // now xCurrentDestForm is a form aequivalent to xSourceForm (which means they have the same DSS and the same number
        // of left siblings with the same DSS, which counts for all their ancestors, too)

        // go down
        xDestContainer = Reference< XIndexContainer > (xCurrentDestForm, UNO_QUERY);
        xSourceContainer = Reference< XIndexContainer > (xSourceForm, UNO_QUERY);
        DBG_ASSERT(xDestContainer.is() && xSourceContainer.is(), "FmFormObj::ensureModelEnv : invalid container !");
    }

    return Reference< XInterface > (xDestContainer, UNO_QUERY);
}

//------------------------------------------------------------------
FmFormObj* FmFormObj::GetFormObject( SdrObject* _pSdrObject )
{
    FmFormObj* pFormObject = dynamic_cast< FmFormObj* >( _pSdrObject );
    if ( !pFormObject )
    {
        SdrVirtObj* pVirtualObject = dynamic_cast< SdrVirtObj* >( _pSdrObject );
        if ( pVirtualObject )
            pFormObject = dynamic_cast< FmFormObj* >( &pVirtualObject->ReferencedObj() );
    }
    return pFormObject;
}

//------------------------------------------------------------------
const FmFormObj* FmFormObj::GetFormObject( const SdrObject* _pSdrObject )
{
    const FmFormObj* pFormObject = dynamic_cast< const FmFormObj* >( _pSdrObject );
    if ( !pFormObject )
    {
        const SdrVirtObj* pVirtualObject = dynamic_cast< const SdrVirtObj* >( _pSdrObject );
        if ( pVirtualObject )
            pFormObject = dynamic_cast< const FmFormObj* >( &pVirtualObject->GetReferencedObj() );
    }
    return pFormObject;
}

//------------------------------------------------------------------
void FmFormObj::SetUnoControlModel( const Reference< com::sun::star::awt::XControlModel >& _rxModel )
{
    SdrUnoObj::SetUnoControlModel( _rxModel );

    // TODO: call something like formObjectInserted at the form page, to tell it the new model
}

//------------------------------------------------------------------
FASTBOOL FmFormObj::EndCreate( SdrDragStat& rStat, SdrCreateCmd eCmd )
{
    bool bResult = SdrUnoObj::EndCreate(rStat, eCmd);
    if ( bResult && SDRCREATE_FORCEEND == eCmd && rStat.GetView() )
    {
        if ( pPage )
        {
            FmFormPage& rPage = dynamic_cast< FmFormPage& >( *pPage );

            try
            {
                Reference< XFormComponent >  xContent( xUnoControlModel, UNO_QUERY_THROW );
                Reference< XForm > xParentForm( xContent->getParent(), UNO_QUERY );

                Reference< XIndexContainer > xFormToInsertInto;

                if ( !xParentForm.is() )
                {   // model is not yet part of a form component hierachy
                    xParentForm.set( rPage.GetImpl().findPlaceInFormComponentHierarchy( xContent ), UNO_SET_THROW );
                    xFormToInsertInto.set( xParentForm, UNO_QUERY_THROW );
                }

                rPage.GetImpl().setUniqueName( xContent, xParentForm );

                if ( xFormToInsertInto.is() )
                    xFormToInsertInto->insertByIndex( xFormToInsertInto->getCount(), makeAny( xContent ) );
            }
            catch( const Exception& )
            {
                DBG_UNHANDLED_EXCEPTION();
            }
        }

        FmFormView* pView( dynamic_cast< FmFormView* >( rStat.GetView() ) );
        FmXFormView* pViewImpl = pView ? pView->GetImpl() : NULL;
        OSL_ENSURE( pViewImpl, "FmFormObj::EndCreate: no view!?" );
        if ( pViewImpl )
            pViewImpl->onCreatedFormObject( *this );
    }
    return bResult;
}

//------------------------------------------------------------------------------
void FmFormObj::BrkCreate( SdrDragStat& rStat )
{
    SdrUnoObj::BrkCreate( rStat );
    impl_isolateControlModel_nothrow();
}

// -----------------------------------------------------------------------------
sal_Int32 FmFormObj::getType() const
{
    return m_nType;
}

// -----------------------------------------------------------------------------
// #i70852# overload Layer interface to force to FormColtrol layer

SdrLayerID FmFormObj::GetLayer() const
{
    // #i72535#
    // i70852 was too radical, in SW obects (and thus, FormControls, too)
    // get moved to invisible layers to hide them (e.g. in hidden sections).
    // This means that form controls ARE allowed to be on other layers than
    // the form control layer ATM and that being member of form control layer
    // is no criteria to find all FormControls of a document.
    // To fix, use parent functionality
    return SdrUnoObj::GetLayer();
}

void FmFormObj::NbcSetLayer(SdrLayerID nLayer)
{
    // #i72535#
    // See above. To fix, use parent functionality
    return SdrUnoObj::NbcSetLayer(nLayer);
}

// eof