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> Unreal Engine API Reference > Editor > MaterialEditor > IMaterialEditor

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IMaterialEditor

Public interface to Material Editor

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MacOS

Linux

Inheritance Hierarchy

FAssetEditorToolkit

IHasMenuExtensibility

IHasToolBarExtensibility

IMaterialEditor

References

Module	MaterialEditor
Header	/Engine/Source/Editor/MaterialEditor/Public/IMaterialEditor.h
Include	#include "IMaterialEditor.h"

Syntax

class IMaterialEditor :
    public FAssetEditorToolkit,
    public IHasMenuExtensibility,
    public IHasToolBarExtensibility

Remarks

Public interface to Material Editor

Functions

	Name	Description
void	AddToSelection ( UMaterialExpression* Expressio... )	Add the specified material expression's graph node to the list of selected nodes
bool	ApproveSetPreviewAsset ( UObject* InAsset )	Allows editor to veto the setting of a preview mesh
bool	CanPasteNodes()	Checks whether nodes can currently be pasted
UMaterialExp...	CreateNewMaterialExpression ( UClass* NewExpressionClass, const FVector2D& NodePos, bool bAutoSelect, bool bAutoAssignResource )	Creates a new material expression of the specified class.
UMaterialExp...	CreateNewMaterialExpressionComment ( const FVector2D& NodePos )	Creates a new material expression comment
void	DeleteNodes ( const TArray< class UEdGraphNode&#... )	Delete an array of Material Graph Nodes and their corresponding expressions/comments
void	DeleteSelectedNodes()	Disconnects and removes the selected material graph nodes.
void	DrawMessages ( FViewport* Viewport, FCanvas* Canvas )	Draws messages on the specified viewport and canvas.
void	ForceRefreshExpressionPreviews()	Refreshes all material expression previews, regardless of whether or not realtime previews are enabled.
void	GetBoundsForNode ( const UEdGraphNode* InNode, FSlateRect& OutRect, float InPadding )	Get the visible bounds of the given graph node
FMaterialRen...	GetExpressionPreview ( UMaterialExpression* InExpress... )	Gets the preview for an expression
UMaterialInt...	GetMaterialInterface()	The material instance applied to the preview mesh.
int32	GetNumberOfSelectedNodes()	Gets the number of selected nodes
FText	GetOriginalObjectName()	Gets the name of the material or material function that we are editing
TSet< UObjec...	GetSelectedNodes()	Get the currently selected set of nodes
void	NotifyExternalMaterialChange()	Call this to notify the editor that the edited material changed from outside
FMaterialEdi...	OnMaterialEditorClosed()
FRegisterTab...	OnRegisterTabSpawners()
FUnregisterT...	OnUnregisterTabSpawners()
void	PasteNodesHere ( const FVector2D& Location )	Paste nodes at a specific location
void	UpdateMaterialAfterGraphChange()	Re-links the material and updates its representation in the editor, used when graph is changed outside of editor code.
void	UpdateSearch ( bool bQueryChanged )	Updates the SearchResults array based on the search query

Classes

	Name	Description
	FMaterialEditorClosedEvent	Delegate to be called when this IMaterialEditor is about to be destroyed
	FRegisterTabSpawnersEvent	Delegate to be called when the tabs are being registered
	FUnregisterTabSpawnersEvent	Delegate to be called when the tabs are being unregistered

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