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> Unreal Engine API Reference > Plugins > NiagaraEditor > ViewModels > INiagaraParameterPanelViewModel

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INiagaraParameterPanelViewModel

Interface for view models to the parameter panel.

Windows

MacOS

Linux

Inheritance Hierarchy

TSharedFromThis

INiagaraParameterPanelViewModel

	FNiagaraScriptToolkitParameterPanelViewModel
	FNiagaraSystemToolkitParameterPanelViewModel

References

Module	NiagaraEditor
Header	/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/ViewModels/NiagaraParameterPanelViewModel.h
Include	#include "ViewModels/NiagaraParameterPanelViewModel.h"

Syntax

class INiagaraParameterPanelViewModel : public TSharedFromThis< INiagaraParameterPanelViewModel >

Remarks

Interface for view models to the parameter panel.

Variables

	Name	Description
TArray< FNiagar...	CachedViewedParameters	Cached list of parameters sent to SNiagarParameterPanel, updated whenever GetViewedParameters is called.
FOnParameterPan...	OnParameterPanelViewModelExternalSelectionChanged
FOnParameterPan...	OnParameterPanelViewModelRefreshed

Destructors

	Name	Description
	~INiagaraParameterPanelViewModel()

Functions

	Name	Description
const UNiaga...	AddParameter ( FNiagaraVariable& InVariableToAdd, const FNiagaraVariableMetaData& In... )
bool	CanDragParameter ( const FNiagaraVariable& InTargetSc... )
bool	CanDragParameters ( const TArray< FNiagaraVariable >& ... )
bool	CanDropParameter ( const FNiagaraVariable& InTargetSc... )
bool	CanDropParameters ( const TArray< FNiagaraVariable >& ... )
bool	CanModifyParameter ( const FNiagaraVariable& TargetVari..., const FNiagaraVariableMetaData& Ta... )
void	ChangeParameterScope ( const FNiagaraVariable& TargetVari..., const FNiagaraVariableMetaData& Ta..., const ENiagaraParameterScope NewVar... )
void	DeleteParameter ( const FNiagaraVariable& TargetVari..., const FNiagaraVariableMetaData& Ta... )
bool	GetCanDeleteParameterAndToolTip ( const FNiagaraVariable& TargetVari..., const FNiagaraVariableMetaData& Ta..., FText& OutCanDeleteParameterToolTi... )
bool	GetCanRenameParameterAndToolTip ( const FNiagaraVariable& TargetVari..., const FNiagaraVariableMetaData& Ta..., TOptional< const FText > NewVariabl..., FText& OutCanRenameParameterToolTi... )
TArray< ENia...	GetCategoriesForParameter ( const FNiagaraScriptVariableAndView... )
const TArray...	GetDefaultCategoryPaths()
TArray< TWea...	GetEditableGraphs()	Returns a list of Graphs that are valid for operations to edit their variables and/or metadata.
FOnParameter...	GetExternalSelectionChanged()
FOnParameter...	GetOnRefreshed()
TSharedRef< ...	GetScriptParameterVisualWidget ( const FNiagaraScriptVariableAndView... )
const TArray...	GetViewedParameters()
FReply	HandleActionDragged ( const TSharedPtr< FEdGraphSchemaAct..., const FPointerEvent& MouseEvent )
void	HandleActionSelected ( const TSharedPtr< FEdGraphSchemaAct..., ESelectInfo::Type InSelectionType )
void	InitBindings()	Separate method to call after ctor to create delegate bindings as we must be fully constructed to do so.
void	Refresh()
void	RenameParameter ( const FNiagaraVariable& TargetVari..., const FNiagaraVariableMetaData& Ta..., const FText& NewVariableNameText )

Typedefs

Name	Description
FOnParameterPanelViewModelExternalSelectionChanged
FOnParameterPanelViewModelRefreshed	Delegate to signal the view model's state has changed.

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