Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 670 insertions, 0 deletions

diff --git a/svx/source/form/fmobj.cxx b/svx/source/form/fmobj.cxx
new file mode 100644
index 000000000..abb18c7f2
--- /dev/null
+++ b/svx/source/form/fmobj.cxx
@@ -0,0 +1,670 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   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 .
+ */
+
+#include <fmobj.hxx>
+#include <fmprop.hxx>
+#include <fmvwimp.hxx>
+#include <fmpgeimp.hxx>
+#include <svx/fmview.hxx>
+#include <svx/fmpage.hxx>
+#include <svx/svdovirt.hxx>
+#include <svx/fmmodel.hxx>
+
+#include <com/sun/star/awt/XDevice.hpp>
+#include <com/sun/star/beans/XPropertySet.hpp>
+#include <com/sun/star/form/Forms.hpp>
+#include <com/sun/star/script/XEventAttacherManager.hpp>
+#include <svx/fmtools.hxx>
+
+#include <comphelper/property.hxx>
+#include <comphelper/processfactory.hxx>
+#include <toolkit/awt/vclxdevice.hxx>
+#include <tools/debug.hxx>
+#include <tools/diagnose_ex.h>
+
+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;
+
+
+FmFormObj::FmFormObj(
+    SdrModel& rSdrModel,
+    const OUString& rModelName)
+:   SdrUnoObj(rSdrModel, rModelName)
+    ,m_nPos(-1)
+    ,m_pLastKnownRefDevice(nullptr)
+{
+    // normally, this is done in SetUnoControlModel, but if the call happened in the base class ctor,
+    // then our incarnation of it was not called (since we were not constructed at this time).
+    impl_checkRefDevice_nothrow( true );
+}
+
+FmFormObj::FmFormObj(SdrModel& rSdrModel)
+:   SdrUnoObj(rSdrModel, "")
+    ,m_nPos(-1)
+    ,m_pLastKnownRefDevice(nullptr)
+{
+    // Stuff that old SetModel also did:
+    impl_checkRefDevice_nothrow();
+}
+
+FmFormObj::~FmFormObj()
+{
+
+    if (m_xEnvironmentHistory.is())
+        m_xEnvironmentHistory->dispose();
+
+    m_xEnvironmentHistory = nullptr;
+    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_checkRefDevice_nothrow( bool _force )
+{
+    const FmFormModel* pFormModel = dynamic_cast<FmFormModel*>(&getSdrModelFromSdrObject());
+    if ( !pFormModel || !pFormModel->ControlsUseRefDevice() )
+        return;
+
+    OutputDevice* pCurrentRefDevice = pFormModel->GetRefDevice();
+    if ( ( m_pLastKnownRefDevice.get() == pCurrentRefDevice ) && !_force )
+        return;
+
+    Reference< XControlModel > xControlModel( GetUnoControlModel() );
+    if ( !xControlModel.is() )
+        return;
+
+    m_pLastKnownRefDevice = pCurrentRefDevice;
+    if ( !m_pLastKnownRefDevice )
+        return;
+
+    try
+    {
+        Reference< XPropertySet > xModelProps( GetUnoControlModel(), UNO_QUERY_THROW );
+        Reference< XPropertySetInfo > xPropertyInfo( xModelProps->getPropertySetInfo(), UNO_SET_THROW );
+
+        static const char sRefDevicePropName[] = "ReferenceDevice";
+        if ( xPropertyInfo->hasPropertyByName( sRefDevicePropName ) )
+        {
+            VCLXDevice* pUnoRefDevice = new VCLXDevice;
+            pUnoRefDevice->SetOutputDevice( m_pLastKnownRefDevice );
+            Reference< XDevice > xRefDevice( pUnoRefDevice );
+            xModelProps->setPropertyValue( sRefDevicePropName, makeAny( xRefDevice ) );
+        }
+    }
+    catch( const Exception& )
+    {
+        DBG_UNHANDLED_EXCEPTION("svx");
+    }
+}
+
+
+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("svx");
+    }
+}
+
+
+void FmFormObj::handlePageChange(SdrPage* pOldPage, SdrPage* pNewPage)
+{
+    FmFormPage* pOldFormPage(dynamic_cast< FmFormPage* >(getSdrPageFromSdrObject()));
+    if ( pOldFormPage )
+        pOldFormPage->GetImpl().formObjectRemoved( *this );
+
+    FmFormPage* pNewFormPage = dynamic_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::handlePageChange(pOldPage, pNewPage);
+        return;
+    }
+
+    Reference< css::form::XForms >      xNewPageForms = pNewFormPage->GetForms();
+    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, UNO_QUERY_THROW );
+        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("svx");
+        }
+    }
+
+    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.set( 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("svx");
+                    }
+                }
+            }
+        }
+    }
+
+    // now set the page
+    SdrUnoObj::handlePageChange(pOldPage, 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 necessary)
+            Reference< XIndexContainer >  xOldParent(xMeAsFormComp->getParent(), UNO_QUERY);
+            if (xOldParent.is())
+            {
+                sal_Int32 nPos = getElementPos(xOldParent, xMeAsFormComp);
+                if (nPos > -1)
+                    xOldParent->removeByIndex(nPos);
+            }
+
+            // and insert into the new container
+            xNewParent->insertByIndex(xNewParent->getCount(), makeAny(xMeAsFormComp));
+
+            // transfer the events
+            if (aNewEvents.hasElements())
+            {
+                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("svx");
+                }
+
+            }
+        }
+    }
+
+    // delete my history
+    if (m_xEnvironmentHistory.is())
+        m_xEnvironmentHistory->dispose();
+
+    m_xEnvironmentHistory = nullptr;
+    m_aEventsHistory.realloc(0);
+
+    pNewFormPage->GetImpl().formObjectInserted( *this );
+}
+
+
+SdrInventor FmFormObj::GetObjInventor()   const
+{
+    return SdrInventor::FmForm;
+}
+
+
+sal_uInt16 FmFormObj::GetObjIdentifier() const
+{
+    return OBJ_UNO;
+}
+
+
+void FmFormObj::clonedFrom(const FmFormObj* _pSource)
+{
+    DBG_ASSERT(_pSource != nullptr, "FmFormObj::clonedFrom : invalid source !");
+    if (m_xEnvironmentHistory.is())
+       m_xEnvironmentHistory->dispose();
+
+    m_xEnvironmentHistory = nullptr;
+    m_aEventsHistory.realloc(0);
+
+    Reference< XChild >  xSourceAsChild(_pSource->GetUnoControlModel(), UNO_QUERY);
+    if (!xSourceAsChild.is())
+        return;
+
+    Reference< XInterface >  xSourceContainer = xSourceAsChild->getParent();
+
+    m_xEnvironmentHistory = css::form::Forms::create( comphelper::getProcessComponentContext() );
+
+    ensureModelEnv(xSourceContainer, m_xEnvironmentHistory);
+    m_aEventsHistory = aEvts;
+        // if we were clone there was a call to operator=, so aEvts are exactly the events we need here...
+}
+
+
+FmFormObj* FmFormObj::CloneSdrObject(SdrModel& rTargetModel) const
+{
+    FmFormObj* pFormObject = CloneHelper< FmFormObj >(rTargetModel);
+    DBG_ASSERT(pFormObject != nullptr, "FmFormObj::Clone : invalid clone !");
+    if (pFormObject)
+        pFormObject->clonedFrom(this);
+
+    return pFormObject;
+}
+
+
+FmFormObj& FmFormObj::operator= (const FmFormObj& rObj)
+{
+    if( this == &rObj )
+        return *this;
+    SdrUnoObj::operator= (rObj);
+
+    // If UnoControlModel is part of an event environment,
+    // events may assigned to it.
+    Reference< XFormComponent >  xContent(rObj.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 = rObj.aEvts;
+    return *this;
+}
+
+
+void FmFormObj::NbcReformatText()
+{
+    impl_checkRefDevice_nothrow();
+    SdrUnoObj::NbcReformatText();
+}
+
+
+namespace
+{
+    OUString lcl_getFormComponentAccessPath(const Reference< XInterface >& _xElement, Reference< XInterface >& _rTopLevelElement)
+    {
+        Reference< css::form::XFormComponent> xChild(_xElement, UNO_QUERY);
+        Reference< css::container::XIndexAccess> xParent;
+        if (xChild.is())
+            xParent.set(xChild->getParent(), UNO_QUERY);
+
+        // while the current content is a form
+        OUString sReturn;
+        while (xChild.is())
+        {
+            // get the content's relative pos within its parent container
+            sal_Int32 nPos = getElementPos(xParent, xChild);
+
+            // prepend this current relative pos
+            OUString sCurrentIndex = OUString::number(nPos);
+            if (!sReturn.isEmpty())
+            {
+                sCurrentIndex += "\\" + sReturn;
+            }
+
+            sReturn = sCurrentIndex;
+
+            // travel up
+            xChild.set(xParent, css::uno::UNO_QUERY);
+            if (xChild.is())
+                xParent.set(xChild->getParent(), UNO_QUERY);
+        }
+
+        _rTopLevelElement = xParent;
+        return sReturn;
+    }
+}
+
+
+Reference< XInterface >  FmFormObj::ensureModelEnv(const Reference< XInterface > & _rSourceContainer, const Reference<css::form::XForms>& _rTopLevelDestContainer)
+{
+    Reference< XInterface >  xTopLevelSource;
+    OUString sAccessPath = lcl_getFormComponentAccessPath(_rSourceContainer, xTopLevelSource);
+    if (!xTopLevelSource.is())
+        // something went wrong, maybe _rSourceContainer isn't part of a valid forms hierarchy
+        return Reference< XInterface > ();
+
+    Reference< XIndexContainer >  xDestContainer(_rTopLevelDestContainer, UNO_QUERY_THROW);
+    Reference< XIndexContainer >  xSourceContainer(xTopLevelSource, UNO_QUERY);
+    DBG_ASSERT(xSourceContainer.is(), "FmFormObj::ensureModelEnv : the top level source is invalid !");
+
+    sal_Int32 nTokIndex = 0;
+    do
+    {
+        OUString aToken = sAccessPath.getToken( 0, '\\', nTokIndex );
+        sal_uInt16 nIndex = static_cast<sal_uInt16>(aToken.toInt32());
+
+        // get the DSS of the source form (we have to find an equivalent 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&)
+        {
+            OSL_FAIL("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;
+        sal_Int32 nCurrentDestIndex = 0;
+        while (nCurrentSourceIndex <= nIndex)
+        {
+            bool bEqualDSS = false;
+            while (!bEqualDSS)  // (we don't have to check nCurrentSourceIndex here : it's bound by nIndex)
+            {
+                xSourceContainer->getByIndex(nCurrentSourceIndex) >>= xCurrentSourceForm;
+                DBG_ASSERT(xCurrentSourceForm.is(), "FmFormObj::ensureModelEnv : invalid form ancestor (2) !");
+                bEqualDSS = false;
+                if (::comphelper::hasProperty(FM_PROP_DATASOURCE, xCurrentSourceForm))
+                {   // it is a form
+                    try
+                    {
+                        if  (   xCurrentSourceForm->getPropertyValue(FM_PROP_COMMAND) == aSrcCursorSource
+                            &&  xCurrentSourceForm->getPropertyValue(FM_PROP_COMMANDTYPE) == aSrcCursorSourceType
+                            &&  xCurrentSourceForm->getPropertyValue(FM_PROP_DATASOURCE) == aSrcDataSource
+                            )
+                        {
+                            bEqualDSS = true;
+                        }
+                    }
+                    catch(Exception&)
+                    {
+                        OSL_FAIL("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 = false;
+            while (!bEqualDSS && (nCurrentDestIndex < xDestContainer->getCount()))
+            {
+                xDestContainer->getByIndex(nCurrentDestIndex) >>= xCurrentDestForm;
+                DBG_ASSERT(xCurrentDestForm.is(), "FmFormObj::ensureModelEnv : invalid destination form !");
+                bEqualDSS = false;
+                if (::comphelper::hasProperty(FM_PROP_DATASOURCE, xCurrentDestForm))
+                {   // it is a form
+                    try
+                    {
+                        if  (   xCurrentDestForm->getPropertyValue(FM_PROP_COMMAND) == aSrcCursorSource
+                            &&  xCurrentDestForm->getPropertyValue(FM_PROP_COMMANDTYPE) == aSrcCursorSourceType
+                            &&  xCurrentDestForm->getPropertyValue(FM_PROP_DATASOURCE) == aSrcDataSource
+                            )
+                        {
+                            bEqualDSS = true;
+                        }
+                    }
+                    catch(Exception&)
+                    {
+                        OSL_FAIL("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
+                {
+                    // create and insert (into the destination) a copy of the form
+                    xCurrentDestForm.set(
+                        ::comphelper::getProcessServiceFactory()->createInstance("com.sun.star.form.component.DataForm"),
+                        UNO_QUERY_THROW );
+                    ::comphelper::copyProperties( xCurrentSourceForm, xCurrentDestForm );
+
+                    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 actually means
+                }
+                catch(Exception&)
+                {
+                    OSL_FAIL("FmFormObj::ensureModelEnv : something went seriously wrong while creating a new form !");
+                    // no more options anymore ...
+                    return Reference< XInterface > ();
+                }
+
+            }
+        }
+
+        // now xCurrentDestForm is a form equivalent 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.set(xCurrentDestForm, UNO_QUERY);
+        xSourceContainer.set(xSourceForm, UNO_QUERY);
+        DBG_ASSERT(xDestContainer.is() && xSourceContainer.is(), "FmFormObj::ensureModelEnv : invalid container !");
+    }
+    while ( nTokIndex >= 0 );
+
+    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< css::awt::XControlModel >& _rxModel )
+{
+    SdrUnoObj::SetUnoControlModel( _rxModel );
+
+    FmFormPage* pFormPage(dynamic_cast< FmFormPage* >(getSdrPageFromSdrObject()));
+    if ( pFormPage )
+        pFormPage->GetImpl().formModelAssigned( *this );
+
+    impl_checkRefDevice_nothrow( true );
+}
+
+
+bool FmFormObj::EndCreate( SdrDragStat& rStat, SdrCreateCmd eCmd )
+{
+    bool bResult = SdrUnoObj::EndCreate(rStat, eCmd);
+    if ( bResult && SdrCreateCmd::ForceEnd == eCmd && rStat.GetView() )
+    {
+        FmFormPage* pFormPage(dynamic_cast< FmFormPage* >(getSdrPageFromSdrObject()));
+
+        if (nullptr != pFormPage)
+        {
+            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 hierarchy
+                    xParentForm.set( pFormPage->GetImpl().findPlaceInFormComponentHierarchy( xContent ), UNO_SET_THROW );
+                    xFormToInsertInto.set( xParentForm, UNO_QUERY_THROW );
+                }
+
+                FmFormPageImpl::setUniqueName( xContent, xParentForm );
+
+                if ( xFormToInsertInto.is() )
+                    xFormToInsertInto->insertByIndex( xFormToInsertInto->getCount(), makeAny( xContent ) );
+            }
+            catch( const Exception& )
+            {
+                DBG_UNHANDLED_EXCEPTION("svx");
+            }
+        }
+
+        FmFormView* pView( dynamic_cast< FmFormView* >( rStat.GetView() ) );
+        FmXFormView* pViewImpl = pView ? pView->GetImpl() : nullptr;
+        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();
+
+    FmFormView* pView( dynamic_cast< FmFormView* >( rStat.GetView() ) );
+    FmXFormView* pViewImpl = pView ? pView->GetImpl() : nullptr;
+    OSL_ENSURE( pViewImpl, "FmFormObj::EndCreate: no view!?" );
+    if ( pViewImpl )
+        pViewImpl->breakCreateFormObject();
+}
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */