86 lines
2.7 KiB
C
86 lines
2.7 KiB
C
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// 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 "Layout/Visibility.h"
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#include "Input/Reply.h"
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#include "ClassViewerModule.h"
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#include "Widgets/DeclarativeSyntaxSupport.h"
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#include "Widgets/SCompoundWidget.h"
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#include "Preferences/UnrealEdOptions.h"
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class ITableRow;
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class SClassViewer;
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class STableViewBase;
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class SWindow;
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//////////////////////////////////////////////////////////////////////////
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// SClassPickerDialog
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class SClassPickerDialog: public SCompoundWidget
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{
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public:
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SLATE_BEGIN_ARGS(SClassPickerDialog)
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: _AssetType(NULL)
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{}
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SLATE_ARGUMENT(TSharedPtr<SWindow>, ParentWindow)
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SLATE_ARGUMENT(FClassViewerInitializationOptions, Options)
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SLATE_ARGUMENT(UClass*, AssetType)
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SLATE_END_ARGS()
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/** Constructs this widget with InArgs */
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UNREALED_API void Construct(const FArguments& InArgs);
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UNREALED_API static bool PickClass(const FText& TitleText, const FClassViewerInitializationOptions& ClassViewerOptions, UClass*& OutChosenClass, UClass* AssetType);
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private:
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/** Handler for when a class is picked in the class picker */
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void OnClassPicked(UClass* InChosenClass);
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/** Creates the default class widgets */
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TSharedRef<ITableRow> GenerateListRow(TSharedPtr<FClassPickerDefaults> InItem, const TSharedRef<STableViewBase>& OwnerTable);
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/** Handler for when any of the default buttons are pressed **/
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FReply OnDefaultClassPicked(UClass* InChosenClass);
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/** Handler for when "Ok" we selected in the class viewer */
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FReply OnClassPickerConfirmed();
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/** Handler for when "Cancel" we selected in the class viewer */
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FReply OnClassPickerCanceled();
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/** Handler for the custom button to hide/unhide the default class viewer */
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void OnDefaultAreaExpansionChanged(bool bExpanded);
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/** Handler for the custom button to hide/unhide the class viewer */
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void OnCustomAreaExpansionChanged(bool bExpanded);
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/** select button visibility delegate */
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EVisibility GetSelectButtonVisibility() const;
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/** Overridden from SWidget: Called when a key is pressed down - capturing copy */
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FReply OnKeyDown(const FGeometry& MyGeometry, const FKeyEvent& InKeyEvent);
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private:
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/** A pointer to the window that is asking the user to select a parent class */
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TWeakPtr<SWindow> WeakParentWindow;
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/** A pointer to a class viewer **/
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TSharedPtr<class SClassViewer> ClassViewer;
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/** The class that was last clicked on */
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UClass* ChosenClass;
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/** A flag indicating that Ok was selected */
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bool bPressedOk;
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/** An array of default classes used in the dialog **/
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TArray<TSharedPtr<FClassPickerDefaults>> AssetDefaultClasses;
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/** Determines if selecting no class is permitted **/
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bool bAllowNone;
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};
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