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a43fd72984
- Updated add button to new positive button style - Change the add-state logic to add to root or subtrees if context is present (e.g. add after) - Renamed UStateTreeState::LinkedState to LinkedSubtree to indicate what kind of state is expected - Removed strong reference from the treeview (was preventing a StateTree asset being deleted) - Fixed bad colors when renaming a state #jira UE-151757, UE-151874, UE-163569, UE-150568 #rb Mieszko.Zielinski #preflight 63369601f76de2d4d5977b94 [CL 22271644 by mikko mononen in ue5-main branch]
85 lines
2.7 KiB
C++
85 lines
2.7 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "StateTreeViewModel.h"
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#include "Widgets/Views/STreeView.h"
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class UStateTreeEditorData;
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class UStateTreeState;
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class SScrollBox;
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class FActionTreeViewDragDrop : public FDragDropOperation
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{
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public:
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DRAG_DROP_OPERATOR_TYPE(FActionTreeViewDragDrop, FDragDropOperation);
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static TSharedRef<FActionTreeViewDragDrop> New(const UStateTreeState* InState)
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{
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return MakeShareable(new FActionTreeViewDragDrop(InState));
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}
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const UStateTreeState* GetDraggedState() const { return State; }
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private:
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FActionTreeViewDragDrop(const UStateTreeState* InState)
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: State(InState)
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{
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}
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const UStateTreeState* State;
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};
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class SStateTreeView : public SCompoundWidget
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{
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public:
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SLATE_BEGIN_ARGS(SStateTreeView) {}
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SLATE_END_ARGS()
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SStateTreeView();
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~SStateTreeView();
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void Construct(const FArguments& InArgs, TSharedRef<FStateTreeViewModel> StateTreeViewModel);
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void SavePersistentExpandedStates();
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private:
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virtual void Tick(const FGeometry& AllottedGeometry, const double InCurrentTime, const float InDeltaTime) override;
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void UpdateTree(bool bExpandPersistent = false);
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// ViewModel handlers
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void HandleModelAssetChanged();
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void HandleModelStatesRemoved(const TSet<UStateTreeState*>& AffectedParents);
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void HandleModelStatesMoved(const TSet<UStateTreeState*>& AffectedParents, const TSet<UStateTreeState*>& MovedStates);
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void HandleModelStateAdded(UStateTreeState* ParentState, UStateTreeState* NewState);
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void HandleModelStatesChanged(const TSet<UStateTreeState*>& AffectedStates, const FPropertyChangedEvent& PropertyChangedEvent);
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void HandleModelSelectionChanged(const TArray<TWeakObjectPtr<UStateTreeState>>& SelectedStates);
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// Treeview handlers
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TSharedRef<ITableRow> HandleGenerateRow(TWeakObjectPtr<UStateTreeState> InState, const TSharedRef<STableViewBase>& InOwnerTableView);
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void HandleGetChildren(TWeakObjectPtr<UStateTreeState> InParent, TArray<TWeakObjectPtr<UStateTreeState>>& OutChildren);
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void HandleTreeSelectionChanged(TWeakObjectPtr<UStateTreeState> InSelectedItem, ESelectInfo::Type SelectionType);
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TSharedPtr<SWidget> HandleContextMenuOpening();
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// Action handlers
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FReply HandleAddStateButton();
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void HandleRenameState(UStateTreeState* State);
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void HandleAddState(UStateTreeState* AfterItem);
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void HandleAddChildState(UStateTreeState* ParentItem);
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void HandleDeleteItems();
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TSharedPtr<FStateTreeViewModel> StateTreeViewModel;
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TSharedPtr<STreeView<TWeakObjectPtr<UStateTreeState>>> TreeView;
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TSharedPtr<SScrollBar> ExternalScrollbar;
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TSharedPtr<SScrollBox> ViewBox;
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TArray<TWeakObjectPtr<UStateTreeState>> Subtrees;
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UStateTreeState* RequestedRenameState;
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bool bItemsDirty;
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bool bUpdatingSelection;
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};
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