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986547914e
#rb none #preflight 62d1c7222e3e5993c351a126 [CL 21117964 by Ryan Schmidt in ue5-main branch]
88 lines
3.3 KiB
C++
88 lines
3.3 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "InteractiveToolChange.h"
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#include "Selections/GeometrySelection.h"
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#include "Selection/GeometrySelector.h" // for FGeometryIdentifier
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/**
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* Base interface intended to be implemented by FToolCommandChange subclasses that represent
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* changes to a FGeometrySelection. The point of the interface is to allow UGeometrySelectionManager
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* to execute the ApplyChange() and RevertChange() with the FGeometrySelectionEditor it provides.
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* So the call pattern is that the FToolCommandChange::Apply(), with the UGeometrySelectionManager
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* as the UObject target, will call UGeometrySelectionManager::ApplyChange(), which then in turn
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* will call IGeometrySelectionChange::ApplyChange()
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*/
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class MODELINGCOMPONENTS_API IGeometrySelectionChange
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{
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public:
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using FGeometrySelection = UE::Geometry::FGeometrySelection;
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using FGeometrySelectionEditor = UE::Geometry::FGeometrySelectionEditor;
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using FGeometrySelectionDelta = UE::Geometry::FGeometrySelectionDelta;
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virtual ~IGeometrySelectionChange() {}
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virtual FGeometryIdentifier GetIdentifier() const = 0;
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virtual void ApplyChange(FGeometrySelectionEditor* Editor, FGeometrySelectionDelta& ApplyDelta) = 0;
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virtual void RevertChange(FGeometrySelectionEditor* Editor, FGeometrySelectionDelta& RevertDelta) = 0;
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};
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/**
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* FGeometrySelectionDeltaChange stores a Remove-then-Add change in a FGeometrySelection.
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*/
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class MODELINGCOMPONENTS_API FGeometrySelectionDeltaChange : public FToolCommandChange, public IGeometrySelectionChange
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{
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public:
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FGeometryIdentifier Identifier;
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FGeometrySelectionDelta Delta;
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/** Makes the change to the object */
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virtual void Apply(UObject* Object) override;
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/** Reverts change to the object */
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virtual void Revert(UObject* Object) override;
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/** Describes this change (for debugging) */
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virtual FString ToString() const override;
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/** Change has expired if the SelectionManager no longer exists */
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virtual bool HasExpired(UObject* Object) const override;
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virtual FGeometryIdentifier GetIdentifier() const override { return Identifier; }
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virtual void ApplyChange(FGeometrySelectionEditor* Editor, FGeometrySelectionDelta& ApplyDelta) override;
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virtual void RevertChange(FGeometrySelectionEditor* Editor, FGeometrySelectionDelta& RevertDelta) override;
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};
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/**
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* FGeometrySelectionReplaceChange stores a full replacement of a FGeometrySelection,
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* ie full copies of the selection set before and after the change
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*/
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class MODELINGCOMPONENTS_API FGeometrySelectionReplaceChange : public FToolCommandChange, public IGeometrySelectionChange
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{
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public:
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FGeometryIdentifier Identifier;
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FGeometrySelection Before;
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FGeometrySelection After;
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/** Makes the change to the object */
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virtual void Apply(UObject* Object) override;
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/** Reverts change to the object */
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virtual void Revert(UObject* Object) override;
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/** Describes this change (for debugging) */
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virtual FString ToString() const override;
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/** Change has expired if the SelectionManager no longer exists */
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virtual bool HasExpired(UObject* Object) const override;
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virtual FGeometryIdentifier GetIdentifier() const override { return Identifier; }
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virtual void ApplyChange(FGeometrySelectionEditor* Editor, FGeometrySelectionDelta& ApplyDelta) override;
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virtual void RevertChange(FGeometrySelectionEditor* Editor, FGeometrySelectionDelta& RevertDelta) override;
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}; |