office-gobmx/svx/source/svdraw/svdouno.cxx
2012-01-24 12:55:48 +05:30

621 lines
21 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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*
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#include <svx/sdr/contact/viewcontactofunocontrol.hxx>
#include <svx/sdr/contact/viewobjectcontactofunocontrol.hxx>
#include <com/sun/star/container/XChild.hpp>
#include <com/sun/star/awt/XWindow.hpp>
#include <com/sun/star/awt/PosSize.hpp>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/io/XPersistObject.hpp>
#include <com/sun/star/io/XOutputStream.hpp>
#include <com/sun/star/io/XInputStream.hpp>
#include <com/sun/star/io/XActiveDataSink.hpp>
#include <com/sun/star/io/XActiveDataSource.hpp>
#include <com/sun/star/io/XObjectOutputStream.hpp>
#include <com/sun/star/io/XObjectInputStream.hpp>
#include <com/sun/star/util/XCloneable.hpp>
#include <comphelper/processfactory.hxx>
#include <comphelper/types.hxx>
#include <vcl/pdfextoutdevdata.hxx>
#include <svx/svdouno.hxx>
#include <svx/svdpagv.hxx>
#include <svx/svdmodel.hxx>
#include "svx/svdglob.hxx" // string cache
#include "svx/svdstr.hrc" // the object's name
#include <svx/svdetc.hxx>
#include <svx/svdview.hxx>
#include <svx/svdorect.hxx>
#include "svx/svdviter.hxx"
#include <rtl/ref.hxx>
#include <set>
#include <memory>
#include <svx/sdrpagewindow.hxx>
#include <svx/sdrpaintwindow.hxx>
#include <tools/diagnose_ex.h>
#include <svx/svdograf.hxx>
using namespace ::com::sun::star;
using namespace ::sdr::contact;
//************************************************************
// Defines
//************************************************************
//************************************************************
// Helper class SdrControlEventListenerImpl
//************************************************************
#include <com/sun/star/lang/XEventListener.hpp>
#include <cppuhelper/implbase1.hxx>
// =============================================================================
class SdrControlEventListenerImpl : public ::cppu::WeakImplHelper1< ::com::sun::star::lang::XEventListener >
{
protected:
SdrUnoObj* pObj;
public:
SdrControlEventListenerImpl(SdrUnoObj* _pObj)
: pObj(_pObj)
{}
// XEventListener
virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& Source ) throw(::com::sun::star::uno::RuntimeException);
void StopListening(const uno::Reference< lang::XComponent >& xComp);
void StartListening(const uno::Reference< lang::XComponent >& xComp);
};
// XEventListener
void SAL_CALL SdrControlEventListenerImpl::disposing( const ::com::sun::star::lang::EventObject& /*Source*/)
throw(::com::sun::star::uno::RuntimeException)
{
if (pObj)
{
pObj->xUnoControlModel = NULL;
}
}
void SdrControlEventListenerImpl::StopListening(const uno::Reference< lang::XComponent >& xComp)
{
if (xComp.is())
xComp->removeEventListener(this);
}
void SdrControlEventListenerImpl::StartListening(const uno::Reference< lang::XComponent >& xComp)
{
if (xComp.is())
xComp->addEventListener(this);
}
// =============================================================================
struct SAL_DLLPRIVATE SdrUnoObjDataHolder
{
mutable ::rtl::Reference< SdrControlEventListenerImpl >
pEventListener;
};
// =============================================================================
namespace
{
void lcl_ensureControlVisibility( SdrView* _pView, const SdrUnoObj* _pObject, bool _bVisible )
{
OSL_PRECOND( _pObject, "lcl_ensureControlVisibility: no object -> no survival!" );
SdrPageView* pPageView = _pView ? _pView->GetSdrPageView() : NULL;
DBG_ASSERT( pPageView, "lcl_ensureControlVisibility: no view found!" );
if ( !pPageView )
return;
ViewContact& rUnoControlContact( _pObject->GetViewContact() );
for ( sal_uInt32 i = 0; i < pPageView->PageWindowCount(); ++i )
{
const SdrPageWindow* pPageWindow = pPageView->GetPageWindow( i );
DBG_ASSERT( pPageWindow, "lcl_ensureControlVisibility: invalid PageViewWindow!" );
if ( !pPageWindow )
continue;
if ( !pPageWindow->HasObjectContact() )
continue;
ObjectContact& rPageViewContact( pPageWindow->GetObjectContact() );
const ViewObjectContact& rViewObjectContact( rUnoControlContact.GetViewObjectContact( rPageViewContact ) );
const ViewObjectContactOfUnoControl* pUnoControlContact = dynamic_cast< const ViewObjectContactOfUnoControl* >( &rViewObjectContact );
DBG_ASSERT( pUnoControlContact, "lcl_ensureControlVisibility: wrong ViewObjectContact type!" );
if ( !pUnoControlContact )
continue;
pUnoControlContact->ensureControlVisibility( _bVisible );
}
}
}
//************************************************************
// SdrUnoObj
//************************************************************
TYPEINIT1(SdrUnoObj, SdrRectObj);
SdrUnoObj::SdrUnoObj(const String& rModelName, sal_Bool _bOwnUnoControlModel)
: m_pImpl( new SdrUnoObjDataHolder ),
bOwnUnoControlModel( _bOwnUnoControlModel )
{
bIsUnoObj = sal_True;
m_pImpl->pEventListener = new SdrControlEventListenerImpl(this);
// only an owner may create independently
if (rModelName.Len())
CreateUnoControlModel(rModelName);
}
SdrUnoObj::SdrUnoObj(const String& rModelName,
const uno::Reference< lang::XMultiServiceFactory >& rxSFac,
sal_Bool _bOwnUnoControlModel)
: m_pImpl( new SdrUnoObjDataHolder ),
bOwnUnoControlModel( _bOwnUnoControlModel )
{
bIsUnoObj = sal_True;
m_pImpl->pEventListener = new SdrControlEventListenerImpl(this);
// only an owner may create independently
if (rModelName.Len())
CreateUnoControlModel(rModelName,rxSFac);
}
SdrUnoObj::~SdrUnoObj()
{
try
{
// clean up the control model
uno::Reference< lang::XComponent > xComp(xUnoControlModel, uno::UNO_QUERY);
if (xComp.is())
{
// is the control model owned by its environment?
uno::Reference< container::XChild > xContent(xUnoControlModel, uno::UNO_QUERY);
if (xContent.is() && !xContent->getParent().is())
xComp->dispose();
else
m_pImpl->pEventListener->StopListening(xComp);
}
}
catch( const uno::Exception& )
{
OSL_FAIL( "SdrUnoObj::~SdrUnoObj: caught an exception!" );
}
delete m_pImpl;
}
void SdrUnoObj::SetModel(SdrModel* pNewModel)
{
SdrRectObj::SetModel(pNewModel);
}
void SdrUnoObj::SetPage(SdrPage* pNewPage)
{
SdrRectObj::SetPage(pNewPage);
}
void SdrUnoObj::TakeObjInfo(SdrObjTransformInfoRec& rInfo) const
{
rInfo.bRotateFreeAllowed = sal_False;
rInfo.bRotate90Allowed = sal_False;
rInfo.bMirrorFreeAllowed = sal_False;
rInfo.bMirror45Allowed = sal_False;
rInfo.bMirror90Allowed = sal_False;
rInfo.bTransparenceAllowed = sal_False;
rInfo.bGradientAllowed = sal_False;
rInfo.bShearAllowed = sal_False;
rInfo.bEdgeRadiusAllowed = sal_False;
rInfo.bNoOrthoDesired = sal_False;
rInfo.bCanConvToPath = sal_False;
rInfo.bCanConvToPoly = sal_False;
rInfo.bCanConvToPathLineToArea = sal_False;
rInfo.bCanConvToPolyLineToArea = sal_False;
rInfo.bCanConvToContour = sal_False;
}
sal_uInt16 SdrUnoObj::GetObjIdentifier() const
{
return sal_uInt16(OBJ_UNO);
}
void SdrUnoObj::SetContextWritingMode( const sal_Int16 _nContextWritingMode )
{
try
{
uno::Reference< beans::XPropertySet > xModelProperties( GetUnoControlModel(), uno::UNO_QUERY_THROW );
xModelProperties->setPropertyValue(
::rtl::OUString::intern( RTL_CONSTASCII_USTRINGPARAM( "ContextWritingMode" ) ),
uno::makeAny( _nContextWritingMode )
);
}
catch( const uno::Exception& )
{
DBG_UNHANDLED_EXCEPTION();
}
}
// ----------------------------------------------------------------------------
namespace
{
/** helper class to restore graphics at <awt::XView> object after <SdrUnoObj::Paint>
Restoration of graphics necessary to assure that paint on a window */
class RestoreXViewGraphics
{
private:
uno::Reference< awt::XView > m_rXView;
uno::Reference< awt::XGraphics > m_rXGraphics;
public:
RestoreXViewGraphics( const uno::Reference< awt::XView >& _rXView )
{
m_rXView = _rXView;
m_rXGraphics = m_rXView->getGraphics();
}
~RestoreXViewGraphics()
{
m_rXView->setGraphics( m_rXGraphics );
}
};
}
void SdrUnoObj::TakeObjNameSingul(XubString& rName) const
{
rName = ImpGetResStr(STR_ObjNameSingulUno);
String aName( GetName() );
if(aName.Len())
{
rName += sal_Unicode(' ');
rName += sal_Unicode('\'');
rName += aName;
rName += sal_Unicode('\'');
}
}
void SdrUnoObj::TakeObjNamePlural(XubString& rName) const
{
rName = ImpGetResStr(STR_ObjNamePluralUno);
}
SdrUnoObj* SdrUnoObj::Clone() const
{
return CloneHelper< SdrUnoObj >();
}
SdrUnoObj& SdrUnoObj::operator= (const SdrUnoObj& rObj)
{
if( this == &rObj )
return *this;
SdrRectObj::operator= (rObj);
// release the reference to the current control model
SetUnoControlModel( NULL );
aUnoControlModelTypeName = rObj.aUnoControlModelTypeName;
aUnoControlTypeName = rObj.aUnoControlTypeName;
// copy the uno control model
const uno::Reference< awt::XControlModel > xSourceControlModel( rObj.GetUnoControlModel(), uno::UNO_QUERY );
if ( xSourceControlModel.is() )
{
try
{
uno::Reference< util::XCloneable > xClone( xSourceControlModel, uno::UNO_QUERY_THROW );
xUnoControlModel.set( xClone->createClone(), uno::UNO_QUERY_THROW );
}
catch( const uno::Exception& )
{
DBG_UNHANDLED_EXCEPTION();
}
}
// get service name of the control from the control model
uno::Reference< beans::XPropertySet > xSet(xUnoControlModel, uno::UNO_QUERY);
if (xSet.is())
{
uno::Any aValue( xSet->getPropertyValue( rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("DefaultControl"))) );
::rtl::OUString aStr;
if( aValue >>= aStr )
aUnoControlTypeName = String(aStr);
}
uno::Reference< lang::XComponent > xComp(xUnoControlModel, uno::UNO_QUERY);
if (xComp.is())
m_pImpl->pEventListener->StartListening(xComp);
return *this;
}
void SdrUnoObj::NbcResize(const Point& rRef, const Fraction& xFact, const Fraction& yFact)
{
SdrRectObj::NbcResize(rRef,xFact,yFact);
if (aGeo.nShearWink!=0 || aGeo.nDrehWink!=0)
{
// small correctures
if (aGeo.nDrehWink>=9000 && aGeo.nDrehWink<27000)
{
aRect.Move(aRect.Left()-aRect.Right(),aRect.Top()-aRect.Bottom());
}
aGeo.nDrehWink = 0;
aGeo.nShearWink = 0;
aGeo.nSin = 0.0;
aGeo.nCos = 1.0;
aGeo.nTan = 0.0;
SetRectsDirty();
}
}
// -----------------------------------------------------------------------------
bool SdrUnoObj::hasSpecialDrag() const
{
// no special drag; we have no rounding rect and
// do want frame handles
return false;
}
bool SdrUnoObj::supportsFullDrag() const
{
// overloaded to have the possibility to enable/disable in debug and
// to ckeck some things out. Current solution is working, so default is
// enabled
static bool bDoSupportFullDrag(true);
return bDoSupportFullDrag;
}
SdrObject* SdrUnoObj::getFullDragClone() const
{
SdrObject* pRetval = 0;
static bool bHandleSpecial(false);
if(bHandleSpecial)
{
// special handling for SdrUnoObj (FormControl). Create a SdrGrafObj
// for drag containing the graphical representation. This does not work too
// well, so the default is to simply clone
pRetval = new SdrGrafObj(SdrDragView::GetObjGraphic(GetModel(), this), GetLogicRect());
}
else
{
// call parent (simply clone)
pRetval = SdrRectObj::getFullDragClone();
}
return pRetval;
}
// -----------------------------------------------------------------------------
void SdrUnoObj::NbcSetLayer( SdrLayerID _nLayer )
{
if ( GetLayer() == _nLayer )
{ // redundant call -> not interested in doing anything here
SdrRectObj::NbcSetLayer( _nLayer );
return;
}
// we need some special handling here in case we're moved from an invisible layer
// to a visible one, or vice versa
// (relative to a layer. Remember that the visibility of a layer is a view attribute
// - the same layer can be visible in one view, and invisible in another view, at the
// same time)
// collect all views in which our old layer is visible
::std::set< SdrView* > aPreviouslyVisible;
{
SdrViewIter aIter( this );
for ( SdrView* pView = aIter.FirstView(); pView; pView = aIter.NextView() )
aPreviouslyVisible.insert( pView );
}
SdrRectObj::NbcSetLayer( _nLayer );
// collect all views in which our new layer is visible
::std::set< SdrView* > aNewlyVisible;
{
SdrViewIter aIter( this );
for ( SdrView* pView = aIter.FirstView(); pView; pView = aIter.NextView() )
{
::std::set< SdrView* >::const_iterator aPrevPos = aPreviouslyVisible.find( pView );
if ( aPreviouslyVisible.end() != aPrevPos )
{ // in pView, we were visible _before_ the layer change, and are
// visible _after_ the layer change, too
// -> we're not interested in this view at all
aPreviouslyVisible.erase( aPrevPos );
}
else
{
// in pView, we were visible _before_ the layer change, and are
// _not_ visible after the layer change
// => remember this view, as our visibility there changed
aNewlyVisible.insert( pView );
}
}
}
// now aPreviouslyVisible contains all views where we became invisible
::std::set< SdrView* >::const_iterator aLoopViews;
for ( aLoopViews = aPreviouslyVisible.begin();
aLoopViews != aPreviouslyVisible.end();
++aLoopViews
)
{
lcl_ensureControlVisibility( *aLoopViews, this, false );
}
// and aNewlyVisible all views where we became visible
for ( aLoopViews = aNewlyVisible.begin();
aLoopViews != aNewlyVisible.end();
++aLoopViews
)
{
lcl_ensureControlVisibility( *aLoopViews, this, true );
}
}
void SdrUnoObj::CreateUnoControlModel(const String& rModelName)
{
DBG_ASSERT(!xUnoControlModel.is(), "model already exists");
aUnoControlModelTypeName = rModelName;
uno::Reference< awt::XControlModel > xModel;
uno::Reference< lang::XMultiServiceFactory > xFactory( ::comphelper::getProcessServiceFactory() );
if (aUnoControlModelTypeName.Len() && xFactory.is() )
{
xModel = uno::Reference< awt::XControlModel >(xFactory->createInstance(
aUnoControlModelTypeName), uno::UNO_QUERY);
if (xModel.is())
SetChanged();
}
SetUnoControlModel(xModel);
}
void SdrUnoObj::CreateUnoControlModel(const String& rModelName,
const uno::Reference< lang::XMultiServiceFactory >& rxSFac)
{
DBG_ASSERT(!xUnoControlModel.is(), "model already exists");
aUnoControlModelTypeName = rModelName;
uno::Reference< awt::XControlModel > xModel;
if (aUnoControlModelTypeName.Len() && rxSFac.is() )
{
xModel = uno::Reference< awt::XControlModel >(rxSFac->createInstance(
aUnoControlModelTypeName), uno::UNO_QUERY);
if (xModel.is())
SetChanged();
}
SetUnoControlModel(xModel);
}
void SdrUnoObj::SetUnoControlModel( const uno::Reference< awt::XControlModel >& xModel)
{
if (xUnoControlModel.is())
{
uno::Reference< lang::XComponent > xComp(xUnoControlModel, uno::UNO_QUERY);
if (xComp.is())
m_pImpl->pEventListener->StopListening(xComp);
}
xUnoControlModel = xModel;
// control model has to contain service name of the control
if (xUnoControlModel.is())
{
uno::Reference< beans::XPropertySet > xSet(xUnoControlModel, uno::UNO_QUERY);
if (xSet.is())
{
uno::Any aValue( xSet->getPropertyValue(String("DefaultControl", osl_getThreadTextEncoding())) );
::rtl::OUString aStr;
if( aValue >>= aStr )
aUnoControlTypeName = String(aStr);
}
uno::Reference< lang::XComponent > xComp(xUnoControlModel, uno::UNO_QUERY);
if (xComp.is())
m_pImpl->pEventListener->StartListening(xComp);
}
// invalidate all ViewObject contacts
ViewContactOfUnoControl* pVC = NULL;
if ( impl_getViewContact( pVC ) )
{
// flushViewObjectContacts() removes all existing VOCs for the local DrawHierarchy. This
// is always allowed since they will be re-created on demand (and with the changed model)
GetViewContact().flushViewObjectContacts(true);
}
}
//------------------------------------------------------------------------
uno::Reference< awt::XControl > SdrUnoObj::GetUnoControl(const SdrView& _rView, const OutputDevice& _rOut) const
{
uno::Reference< awt::XControl > xControl;
SdrPageView* pPageView = _rView.GetSdrPageView();
OSL_ENSURE( GetPage() == pPageView->GetPage(), "SdrUnoObj::GetUnoControl: This object is not displayed in that particular view!" );
if ( GetPage() != pPageView->GetPage() )
return NULL;
SdrPageWindow* pPageWindow = pPageView ? pPageView->FindPageWindow( _rOut ) : NULL;
OSL_ENSURE( pPageWindow, "SdrUnoObj::GetUnoControl: did not find my SdrPageWindow!" );
if ( !pPageWindow )
return NULL;
ViewObjectContact& rViewObjectContact( GetViewContact().GetViewObjectContact( pPageWindow->GetObjectContact() ) );
ViewObjectContactOfUnoControl* pUnoContact = dynamic_cast< ViewObjectContactOfUnoControl* >( &rViewObjectContact );
OSL_ENSURE( pUnoContact, "SdrUnoObj::GetUnoControl: wrong contact type!" );
if ( pUnoContact )
xControl = pUnoContact->getControl();
return xControl;
}
//------------------------------------------------------------------------
uno::Reference< awt::XControl > SdrUnoObj::GetTemporaryControlForWindow(
const Window& _rWindow, uno::Reference< awt::XControlContainer >& _inout_ControlContainer ) const
{
uno::Reference< awt::XControl > xControl;
ViewContactOfUnoControl* pVC = NULL;
if ( impl_getViewContact( pVC ) )
xControl = pVC->getTemporaryControlForWindow( _rWindow, _inout_ControlContainer );
return xControl;
}
//------------------------------------------------------------------------
bool SdrUnoObj::impl_getViewContact( ViewContactOfUnoControl*& _out_rpContact ) const
{
ViewContact& rViewContact( GetViewContact() );
_out_rpContact = dynamic_cast< ViewContactOfUnoControl* >( &rViewContact );
DBG_ASSERT( _out_rpContact, "SdrUnoObj::impl_getViewContact: could not find my ViewContact!" );
return ( _out_rpContact != NULL );
}
//------------------------------------------------------------------------
::sdr::contact::ViewContact* SdrUnoObj::CreateObjectSpecificViewContact()
{
return new ::sdr::contact::ViewContactOfUnoControl( *this );
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */