Files
UnrealEngine/Engine/Source/Editor/DetailCustomizations/Private/TimespanStructCustomization.cpp
2025-05-18 13:04:45 +08:00

134 lines
3.6 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#include "TimespanStructCustomization.h"
#include "Containers/Array.h"
#include "Containers/UnrealString.h"
#include "DetailWidgetRow.h"
#include "Fonts/SlateFontInfo.h"
#include "HAL/PlatformCrt.h"
#include "Internationalization/Internationalization.h"
#include "Misc/Attribute.h"
#include "Misc/Timespan.h"
#include "PropertyHandle.h"
#include "Styling/AppStyle.h"
#include "Styling/ISlateStyle.h"
#include "UObject/NameTypes.h"
#include "UObject/UnrealType.h"
#include "Widgets/DeclarativeSyntaxSupport.h"
#include "Widgets/Input/SEditableTextBox.h"
#define LOCTEXT_NAMESPACE "TimespanStructCustomization"
/* IDetailCustomization interface
*****************************************************************************/
void FTimespanStructCustomization::CustomizeChildren(TSharedRef<IPropertyHandle> StructPropertyHandle, class IDetailChildrenBuilder& StructBuilder, IPropertyTypeCustomizationUtils& StructCustomizationUtils)
{
/* do nothing */
}
void FTimespanStructCustomization::CustomizeHeader(TSharedRef<IPropertyHandle> StructPropertyHandle, class FDetailWidgetRow& HeaderRow, IPropertyTypeCustomizationUtils& StructCustomizationUtils)
{
PropertyHandle = StructPropertyHandle;
InputValid = true;
HeaderRow
.NameContent()
[
StructPropertyHandle->CreatePropertyNameWidget()
]
.ValueContent()
.MaxDesiredWidth(0.0f)
.MinDesiredWidth(125.0f)
[
SNew(SEditableTextBox)
.ClearKeyboardFocusOnCommit(false)
.IsEnabled(!PropertyHandle->IsEditConst())
.ForegroundColor(this, &FTimespanStructCustomization::HandleTextBoxForegroundColor)
.OnTextChanged(this, &FTimespanStructCustomization::HandleTextBoxTextChanged)
.OnTextCommitted(this, &FTimespanStructCustomization::HandleTextBoxTextCommited)
.SelectAllTextOnCommit(true)
.Font(IPropertyTypeCustomizationUtils::GetRegularFont())
.Text(this, &FTimespanStructCustomization::HandleTextBoxText)
];
}
/* FTimespanStructCustomization callbacks
*****************************************************************************/
FSlateColor FTimespanStructCustomization::HandleTextBoxForegroundColor() const
{
if (InputValid)
{
static const FName DefaultForeground("Colors.Foreground");
return FAppStyle::Get().GetSlateColor(DefaultForeground);
}
static const FName Red("Colors.AccentRed");
return FAppStyle::Get().GetSlateColor(Red);
}
FText FTimespanStructCustomization::HandleTextBoxText() const
{
TArray<void*> RawData;
PropertyHandle->AccessRawData(RawData);
if (RawData.Num() != 1)
{
return LOCTEXT("MultipleValues", "Multiple Values");
}
if(RawData[0] == nullptr)
{
return FText::GetEmpty();
}
FString ValueString;
if (!((FTimespan*)RawData[0])->ExportTextItem(ValueString, FTimespan::Zero(), NULL, 0, NULL))
{
return FText::GetEmpty();
}
return FText::FromString(ValueString);
}
void FTimespanStructCustomization::HandleTextBoxTextChanged(const FText& NewText)
{
FTimespan Timespan;
InputValid = FTimespan::Parse(NewText.ToString(), Timespan);
}
void FTimespanStructCustomization::HandleTextBoxTextCommited(const FText& NewText, ETextCommit::Type CommitInfo)
{
FTimespan ParsedTimespan;
InputValid = FTimespan::Parse(NewText.ToString(), ParsedTimespan);
if (InputValid && PropertyHandle.IsValid())
{
TArray<void*> RawData;
PropertyHandle->AccessRawData(RawData);
PropertyHandle->NotifyPreChange();
for (auto RawDataInstance : RawData)
{
*(FTimespan*)RawDataInstance = ParsedTimespan;
}
PropertyHandle->NotifyPostChange(EPropertyChangeType::ValueSet);
PropertyHandle->NotifyFinishedChangingProperties();
}
}
#undef LOCTEXT_NAMESPACE