331 lines
11 KiB
C++
331 lines
11 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "SkeletalControlNodeDetails.h"
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#include "Containers/Array.h"
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#include "Containers/Set.h"
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#include "Containers/UnrealString.h"
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#include "Delegates/Delegate.h"
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#include "DetailCategoryBuilder.h"
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#include "DetailLayoutBuilder.h"
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#include "DetailWidgetRow.h"
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#include "EdGraph/EdGraphNode.h"
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#include "EdGraph/EdGraphPin.h"
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#include "Fonts/SlateFontInfo.h"
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#include "HAL/PlatformCrt.h"
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#include "IDetailChildrenBuilder.h"
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#include "Internationalization/Internationalization.h"
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#include "Internationalization/Text.h"
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#include "K2Node.h"
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#include "K2Node_BreakStruct.h"
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#include "K2Node_GetClassDefaults.h"
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#include "K2Node_MakeStruct.h"
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#include "K2Node_StructOperation.h"
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#include "Misc/AssertionMacros.h"
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#include "Misc/Attribute.h"
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#include "PropertyCustomizationHelpers.h"
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#include "PropertyEditorModule.h"
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#include "PropertyHandle.h"
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#include "ScopedTransaction.h"
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#include "SlotBase.h"
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#include "Styling/SlateTypes.h"
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#include "Templates/Casts.h"
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#include "Types/SlateEnums.h"
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#include "UObject/Class.h"
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#include "UObject/Object.h"
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#include "UObject/ObjectPtr.h"
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#include "UObject/UnrealNames.h"
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#include "Widgets/DeclarativeSyntaxSupport.h"
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#include "Widgets/Input/SButton.h"
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#include "Widgets/Input/SCheckBox.h"
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#include "Widgets/SBoxPanel.h"
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#include "Widgets/Text/STextBlock.h"
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#define LOCTEXT_NAMESPACE "SkeletalControlNodeDetails"
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/////////////////////////////////////////////////////
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// FSkeletalControlNodeDetails
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TSharedRef<IDetailCustomization> FSkeletalControlNodeDetails::MakeInstance()
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{
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return MakeShareable(new FSkeletalControlNodeDetails());
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}
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void FSkeletalControlNodeDetails::CustomizeDetails(class IDetailLayoutBuilder& DetailBuilder)
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{
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DetailCategory = &DetailBuilder.EditCategory("PinOptions");
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TSharedRef<IPropertyHandle> AvailablePins = DetailBuilder.GetProperty("ShowPinForProperties");
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ArrayProperty = AvailablePins->AsArray();
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bool bShowAvailablePins = true;
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bool bHideInputPins = false;
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const TArray< TWeakObjectPtr<UObject> >& SelectedObjects = DetailBuilder.GetSelectedObjects();
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if (SelectedObjects.Num() == 1)
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{
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UObject* CurObj = SelectedObjects[0].Get();
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HideUnconnectedPinsNode = ((CurObj && (CurObj->IsA<UK2Node_BreakStruct>() || CurObj->IsA<UK2Node_MakeStruct>() || CurObj->IsA<UK2Node_GetClassDefaults>())) ? static_cast<UK2Node*>(CurObj) : nullptr);
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bHideInputPins = (CurObj && CurObj->IsA<UK2Node_MakeStruct>());
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}
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else
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{
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UStruct* CommonStruct = nullptr;
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for (const TWeakObjectPtr<UObject>& CurrentObject : SelectedObjects)
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{
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UObject* CurObj = CurrentObject.Get();
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if (UK2Node_StructOperation* StructOpNode = Cast<UK2Node_StructOperation>(CurObj))
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{
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if (CommonStruct && CommonStruct != StructOpNode->StructType)
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{
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bShowAvailablePins = false;
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break;
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}
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CommonStruct = StructOpNode->StructType;
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}
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else if (UK2Node_GetClassDefaults* CDONode = Cast<UK2Node_GetClassDefaults>(CurObj))
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{
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if (CommonStruct && CommonStruct != CDONode->GetInputClass())
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{
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bShowAvailablePins = false;
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break;
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}
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CommonStruct = CDONode->GetInputClass();
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}
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}
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}
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if (bShowAvailablePins)
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{
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TSet<FName> UniqueCategoryNames;
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{
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int32 NumElements = 0;
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{
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uint32 UnNumElements = 0;
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if (ArrayProperty.IsValid() && (FPropertyAccess::Success == ArrayProperty->GetNumElements(UnNumElements)))
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{
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NumElements = static_cast<int32>(UnNumElements);
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}
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}
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for (int32 Index = 0; Index < NumElements; ++Index)
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{
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TSharedRef<IPropertyHandle> StructPropHandle = ArrayProperty->GetElement(Index);
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TSharedPtr<IPropertyHandle> CategoryPropHandle = StructPropHandle->GetChildHandle(GET_MEMBER_NAME_CHECKED(FOptionalPinFromProperty, CategoryName));
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check(CategoryPropHandle.IsValid());
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FName CategoryNameValue;
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const FPropertyAccess::Result Result = CategoryPropHandle->GetValue(CategoryNameValue);
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if (ensure(FPropertyAccess::Success == Result))
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{
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UniqueCategoryNames.Add(CategoryNameValue);
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}
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}
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}
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//@TODO: Shouldn't show this if the available pins array is empty!
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const bool bGenerateHeader = true;
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const bool bDisplayResetToDefault = false;
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const bool bDisplayElementNum = false;
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const bool bForAdvanced = false;
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for (const FName& CategoryName : UniqueCategoryNames)
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{
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//@TODO: Pay attention to category filtering here
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TSharedRef<FDetailArrayBuilder> AvailablePinsBuilder = MakeShareable(new FDetailArrayBuilder(AvailablePins, bGenerateHeader, bDisplayResetToDefault, bDisplayElementNum));
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AvailablePinsBuilder->OnGenerateArrayElementWidget(FOnGenerateArrayElementWidget::CreateSP(this, &FSkeletalControlNodeDetails::OnGenerateElementForPropertyPin, CategoryName));
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AvailablePinsBuilder->SetDisplayName((CategoryName == NAME_None) ? LOCTEXT("DefaultCategory", "Default Category") : FText::FromName(CategoryName));
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DetailCategory->AddCustomBuilder(AvailablePinsBuilder, bForAdvanced);
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}
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// Add the action buttons
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if(HideUnconnectedPinsNode.IsValid())
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{
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FDetailWidgetRow& GroupActionsRow = DetailCategory->AddCustomRow(LOCTEXT("GroupActionsSearchText", "Split Sort"))
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.ValueContent()
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.HAlign(HAlign_Left)
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.MaxDesiredWidth(250.f)
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[
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SNew(SButton)
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.OnClicked(this, &FSkeletalControlNodeDetails::HideAllUnconnectedPins, bHideInputPins)
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.ToolTipText(LOCTEXT("HideAllUnconnectedPinsTooltip", "All unconnected pins get hidden (removed from the graph node)"))
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[
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SNew(STextBlock)
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.Text(LOCTEXT("HideAllUnconnectedPins", "Hide Unconnected Pins"))
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.Font(DetailBuilder.GetDetailFont())
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]
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];
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}
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}
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else
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{
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DetailBuilder.HideProperty(AvailablePins);
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}
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}
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ECheckBoxState FSkeletalControlNodeDetails::GetShowPinValueForProperty(TSharedRef<IPropertyHandle> InElementProperty) const
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{
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FString Value;
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InElementProperty->GetChildHandle(GET_MEMBER_NAME_CHECKED(FOptionalPinFromProperty, bShowPin))->GetValueAsFormattedString(Value);
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if (Value == TEXT("true"))
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{
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return ECheckBoxState::Checked;
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}
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else if (Value == TEXT("false"))
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{
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return ECheckBoxState::Unchecked;
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}
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return ECheckBoxState::Undetermined;
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}
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void FSkeletalControlNodeDetails::OnShowPinChanged(ECheckBoxState InNewState, TSharedRef<IPropertyHandle> InElementProperty)
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{
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InElementProperty->GetChildHandle(GET_MEMBER_NAME_CHECKED(FOptionalPinFromProperty, bShowPin))->SetValueFromFormattedString(InNewState == ECheckBoxState::Checked ? TEXT("true") : TEXT("false"));
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}
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void FSkeletalControlNodeDetails::OnGenerateElementForPropertyPin(TSharedRef<IPropertyHandle> ElementProperty, int32 ElementIndex, IDetailChildrenBuilder& ChildrenBuilder, FName CategoryName)
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{
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{
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TSharedPtr<IPropertyHandle> CategoryPropHandle = ElementProperty->GetChildHandle(GET_MEMBER_NAME_CHECKED(FOptionalPinFromProperty, CategoryName));
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check(CategoryPropHandle.IsValid());
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FName CategoryNameValue;
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const FPropertyAccess::Result Result = CategoryPropHandle->GetValue(CategoryNameValue);
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const bool bProperCategory = ensure(FPropertyAccess::Success == Result) && (CategoryNameValue == CategoryName);
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if (!bProperCategory)
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{
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return;
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}
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}
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FString FilterString = CategoryName.ToString();
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FText PropertyFriendlyName(LOCTEXT("Invalid", "Invalid"));
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{
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TSharedPtr<IPropertyHandle> PropertyFriendlyNameHandle = ElementProperty->GetChildHandle(GET_MEMBER_NAME_CHECKED(FOptionalPinFromProperty, PropertyFriendlyName));
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if (PropertyFriendlyNameHandle.IsValid())
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{
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FString DisplayFriendlyName;
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switch (PropertyFriendlyNameHandle->GetValue(/*out*/ DisplayFriendlyName))
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{
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case FPropertyAccess::Success:
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FilterString += TEXT(" ") + DisplayFriendlyName;
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PropertyFriendlyName = FText::FromString(DisplayFriendlyName);
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break;
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case FPropertyAccess::MultipleValues:
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ChildrenBuilder.AddCustomRow(FText::GetEmpty())
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[
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SNew(STextBlock).Text(LOCTEXT("OnlyWorksInSingleSelectMode", "Multiple types selected"))
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];
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return;
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case FPropertyAccess::Fail:
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default:
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check(false);
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break;
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}
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}
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}
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{
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TSharedPtr<IPropertyHandle> PropertyNameHandle = ElementProperty->GetChildHandle(GET_MEMBER_NAME_CHECKED(FOptionalPinFromProperty, PropertyName));
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if (PropertyNameHandle.IsValid())
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{
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FString RawName;
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if (PropertyNameHandle->GetValue(/*out*/ RawName) == FPropertyAccess::Success)
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{
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FilterString += TEXT(" ") + RawName;
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}
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}
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}
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FText PinTooltip;
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{
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TSharedPtr<IPropertyHandle> PropertyTooltipHandle = ElementProperty->GetChildHandle(GET_MEMBER_NAME_CHECKED(FOptionalPinFromProperty, PropertyTooltip));
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if (PropertyTooltipHandle.IsValid())
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{
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FString PinTooltipString;
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if (PropertyTooltipHandle->GetValue(/*out*/ PinTooltip) == FPropertyAccess::Success)
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{
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FilterString += TEXT(" ") + PinTooltip.ToString();
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}
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}
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}
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TSharedPtr<IPropertyHandle> HasOverrideValueHandle = ElementProperty->GetChildHandle(GET_MEMBER_NAME_CHECKED(FOptionalPinFromProperty, bHasOverridePin));
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bool bHasOverrideValue;
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HasOverrideValueHandle->GetValue(/*out*/ bHasOverrideValue);
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FText OverrideCheckBoxTooltip;
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// Setup a tooltip based on whether the property has an override value or not.
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if (bHasOverrideValue)
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{
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OverrideCheckBoxTooltip = LOCTEXT("HasOverridePin", "Enabling this pin will make it visible for setting on the node and automatically enable the value for override when using the struct. Any updates to the resulting struct will require the value be set again or the override will be automatically disabled.");
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}
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else
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{
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OverrideCheckBoxTooltip = LOCTEXT("HasNoOverridePin", "Enabling this pin will make it visible for setting on the node.");
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}
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ChildrenBuilder.AddCustomRow( PropertyFriendlyName )
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.FilterString(FText::AsCultureInvariant(FilterString))
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.NameContent()
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[
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ElementProperty->CreatePropertyNameWidget(PropertyFriendlyName, PinTooltip)
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]
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.ValueContent()
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[
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SNew(SHorizontalBox)
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.ToolTipText(OverrideCheckBoxTooltip)
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+SHorizontalBox::Slot()
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.AutoWidth()
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.HAlign(HAlign_Left)
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.VAlign(VAlign_Center)
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[
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SNew(SCheckBox)
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.IsChecked(this, &FSkeletalControlNodeDetails::GetShowPinValueForProperty, ElementProperty)
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.OnCheckStateChanged(this, &FSkeletalControlNodeDetails::OnShowPinChanged, ElementProperty)
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]
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+SHorizontalBox::Slot()
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.AutoWidth()
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.HAlign(HAlign_Left)
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.VAlign(VAlign_Center)
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[
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SNew(STextBlock)
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.Text(LOCTEXT("AsPin", " (As pin)"))
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.Font(ChildrenBuilder.GetParentCategory().GetParentLayout().GetDetailFont())
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]
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];
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}
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FReply FSkeletalControlNodeDetails::HideAllUnconnectedPins(const bool bHideInputPins)
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{
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if (ArrayProperty.IsValid() && HideUnconnectedPinsNode.IsValid())
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{
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uint32 NumChildren = 0;
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ArrayProperty->GetNumElements(NumChildren);
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FScopedTransaction Transaction(LOCTEXT("HideUnconnectedPinsTransaction", "Hide Unconnected Pins"));
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for (uint32 ChildIndex = 0; ChildIndex < NumChildren; ++ChildIndex)
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{
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TSharedRef<IPropertyHandle> ElementHandle = ArrayProperty->GetElement(ChildIndex);
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TSharedPtr<IPropertyHandle> PropertyNameHandle = ElementHandle->GetChildHandle(GET_MEMBER_NAME_CHECKED(FOptionalPinFromProperty, PropertyName));
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FName ActualPropertyName;
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if (PropertyNameHandle.IsValid() && PropertyNameHandle->GetValue(ActualPropertyName) == FPropertyAccess::Success)
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{
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const UEdGraphPin* Pin = HideUnconnectedPinsNode->FindPin(ActualPropertyName.ToString(), bHideInputPins ? EGPD_Input : EGPD_Output);
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if (Pin && Pin->LinkedTo.Num() <= 0)
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{
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OnShowPinChanged(ECheckBoxState::Unchecked, ElementHandle);
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}
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}
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}
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}
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return FReply::Handled();
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}
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/////////////////////////////////////////////////////
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#undef LOCTEXT_NAMESPACE
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