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122 lines
3.2 KiB
C++
122 lines
3.2 KiB
C++
// Copyright 1998-2019 Epic Games, Inc. All Rights Reserved.
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#include "TimespanStructCustomization.h"
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#include "Widgets/DeclarativeSyntaxSupport.h"
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#include "Engine/GameViewportClient.h"
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#include "PropertyHandle.h"
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#include "Widgets/Input/SEditableTextBox.h"
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#include "DetailWidgetRow.h"
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#define LOCTEXT_NAMESPACE "TimespanStructCustomization"
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/* IDetailCustomization interface
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*****************************************************************************/
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void FTimespanStructCustomization::CustomizeChildren(TSharedRef<IPropertyHandle> StructPropertyHandle, class IDetailChildrenBuilder& StructBuilder, IPropertyTypeCustomizationUtils& StructCustomizationUtils)
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{
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/* do nothing */
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}
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void FTimespanStructCustomization::CustomizeHeader(TSharedRef<IPropertyHandle> StructPropertyHandle, class FDetailWidgetRow& HeaderRow, IPropertyTypeCustomizationUtils& StructCustomizationUtils)
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{
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PropertyHandle = StructPropertyHandle;
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InputValid = true;
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HeaderRow
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.NameContent()
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[
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StructPropertyHandle->CreatePropertyNameWidget()
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]
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.ValueContent()
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.MaxDesiredWidth(0.0f)
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.MinDesiredWidth(125.0f)
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[
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SNew(SEditableTextBox)
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.ClearKeyboardFocusOnCommit(false)
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.IsEnabled(!PropertyHandle->IsEditConst())
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.ForegroundColor(this, &FTimespanStructCustomization::HandleTextBoxForegroundColor)
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.OnTextChanged(this, &FTimespanStructCustomization::HandleTextBoxTextChanged)
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.OnTextCommitted(this, &FTimespanStructCustomization::HandleTextBoxTextCommited)
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.SelectAllTextOnCommit(true)
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.Font(IPropertyTypeCustomizationUtils::GetRegularFont())
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.Text(this, &FTimespanStructCustomization::HandleTextBoxText)
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];
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}
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/* FTimespanStructCustomization callbacks
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*****************************************************************************/
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FSlateColor FTimespanStructCustomization::HandleTextBoxForegroundColor() const
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{
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if (!InputValid)
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{
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return FLinearColor::Red;
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}
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static const FName InvertedForegroundName("InvertedForeground");
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return FEditorStyle::GetSlateColor(InvertedForegroundName);
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}
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FText FTimespanStructCustomization::HandleTextBoxText() const
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{
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TArray<void*> RawData;
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PropertyHandle->AccessRawData(RawData);
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if (RawData.Num() != 1)
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{
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return LOCTEXT("MultipleValues", "Multiple Values");
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}
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if(RawData[0] == nullptr)
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{
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return FText::GetEmpty();
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}
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FString ValueString;
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if (!((FTimespan*)RawData[0])->ExportTextItem(ValueString, FTimespan::Zero(), NULL, 0, NULL))
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{
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return FText::GetEmpty();
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}
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return FText::FromString(ValueString);
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}
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void FTimespanStructCustomization::HandleTextBoxTextChanged(const FText& NewText)
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{
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FTimespan Timespan;
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InputValid = FTimespan::Parse(NewText.ToString(), Timespan);
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}
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void FTimespanStructCustomization::HandleTextBoxTextCommited(const FText& NewText, ETextCommit::Type CommitInfo)
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{
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FTimespan ParsedTimespan;
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InputValid = FTimespan::Parse(NewText.ToString(), ParsedTimespan);
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if (InputValid && PropertyHandle.IsValid())
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{
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TArray<void*> RawData;
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PropertyHandle->AccessRawData(RawData);
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PropertyHandle->NotifyPreChange();
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for (auto RawDataInstance : RawData)
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{
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*(FTimespan*)RawDataInstance = ParsedTimespan;
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}
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PropertyHandle->NotifyPostChange();
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PropertyHandle->NotifyFinishedChangingProperties();
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}
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}
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#undef LOCTEXT_NAMESPACE
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