// $Revision: 1.3 $
// CurrentSelectionTarget.C
// Copyright (C) 1994, 1995 Taligent, Inc. All rights reserved.
#ifndef TaligentSamples_CURRENTSELECTIONTARGET
#include "CurrentSelectionTarget.h"
#endif

#ifndef Taligent_GUICOMPOUNDDOCUMENT
#include <Taligent/GUICompoundDocument.h>
#endif

//................................................................................

TaligentTypeExtensionMacro_Abstract(TCurrentSelectionTarget)

TCurrentSelectionTarget::TCurrentSelectionTarget(MSelectionMapping* mapping,
	MFeedbacker* feedbacker,
	MGUIBundle* bundle)
	: TSelectionToolTarget(feedbacker, mapping),
	fBundle(bundle),
	fSelection(NIL)
{
	Assertion(bundle != NIL, "TCurrentSelectionTarget::TCurrentSelectionTarget");
}

TCurrentSelectionTarget::~TCurrentSelectionTarget()
{
}

TModelSelection*
TCurrentSelectionTarget::GetSelection() const
{
	if (!fSelection.GetObject()) {
		NonConst(this)->fSelection = ::CopyPointer(fBundle->GetCurrentModelSelection());
		if (!fSelection) {
			const TModelPointerTo<TModel> model(fBundle->GetModelReference());
			NonConst(this)->fSelection = model->CreateSelection();
			fSelection->SetUndefined();
		}
	}

	return fSelection;
}

void
TCurrentSelectionTarget::AdoptSelection(TModelSelection* selection)
{
	fBundle->AdoptCurrentModelSelection(selection);
	fSelection = ::CopyPointer(fBundle->GetCurrentModelSelection());
	Assertion(fSelection != NIL, "TCurrentSelectionTarget::AdoptSelection");
}