DialogueObject_CustomRowHelper.cpp

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// Copyright Csaba Molnar, Daniel Butum. All Rights Reserved.
#include "DialogueObject_CustomRowHelper.h"
 
#include "PropertyHandle.h"
#include "DetailWidgetRow.h"
#include "Widgets/Input/SButton.h"
#include "Widgets/Input/SComboButton.h"
#include "Widgets/Layout/SUniformGridPanel.h"
#include "Internationalization/TextNamespaceUtil.h"
#include "DialogueEditableTextPropertyHandle.h"
#include "Editor.h"
#include "DialogueEditor/DetailsPanel/DialogueDetailsPanelUtils.h"
#include "Kismet2/KismetEditorUtilities.h"
#include "Engine/Blueprint.h"
#include "Kismet2/BlueprintEditorUtils.h"
#include "Widgets/Images/SImage.h"
#include "K2Node_Event.h"
#include "SourceCodeNavigation.h"
 
#define LOCTEXT_NAMESPACE "DialogueObject_CustomRowHelper"
#define DEFAULT_FONT(...) FCoreStyle::GetDefaultFontStyle(__VA_ARGS__)
 
// FDialogueObject_CustomRowHelper
FDialogueObject_CustomRowHelper::FDialogueObject_CustomRowHelper(IDetailPropertyRow* InPropertyRow) :
    PropertyRow(InPropertyRow)
{
}
 
void FDialogueObject_CustomRowHelper::Update()
{
    // SPropertyEditorClass for Classes
    // SPropertyEditorAsset for EditInlineNew ?
 
    // Get Default widgets
    TSharedPtr<SWidget> DefaultNameWidget;
    TSharedPtr<SWidget> DefaultValueWidget;
    PropertyRow->GetDefaultWidgets(
        DefaultNameWidget,
        DefaultValueWidget,
        false
    );
 
    FDetailWidgetRow& DetailWidgetRow = PropertyRow->CustomWidget(true);
    DetailWidgetRow.NameContent()
    [
        DefaultNameWidget.ToSharedRef()
    ];
 
    TSharedPtr<SHorizontalBox> HorizontalBox;
    DetailWidgetRow.ValueContent()
    .MinDesiredWidth(GetRowMinimumDesiredWidth())
    [
        SAssignNew(HorizontalBox, SHorizontalBox)
    ];
 
    // Default previous widget
     HorizontalBox->AddSlot()
    .Padding(0.f, 0.f, 2.f, 0.f)
    .FillWidth(1.f)
    // .AutoWidth()
    [
        DefaultValueWidget.ToSharedRef()
    ];
 
    // Browse Asset
    HorizontalBox->AddSlot()
    .AutoWidth()
    .VAlign(VAlign_Center)
    .Padding(4.f)
    [
        SNew(SButton)
        .ButtonStyle(FEditorStyle::Get(), "HoverHintOnly")
        .ToolTipText(this, &Self::GetBrowseObjectText)
        .ContentPadding(4.f)
        .ForegroundColor(FSlateColor::UseForeground())
        .Visibility(this, &Self::GetBrowseButtonVisibility)
        .OnClicked(this, &Self::OnBrowseClicked)
        [
            SNew(SImage)
            .Image(FEditorStyle::GetBrush("PropertyWindow.Button_Browse"))
            .ColorAndOpacity(FSlateColor::UseForeground())
        ]
    ];
 
    // Jump to Object
    HorizontalBox->AddSlot()
    .AutoWidth()
    .VAlign(VAlign_Center)
    .Padding(4.f, 2.f)
    [
        SNew(SButton)
        .ButtonStyle(FEditorStyle::Get(), "HoverHintOnly")
        .ToolTipText(this, &Self::GetJumpToObjectText)
        .ContentPadding(4.f)
        .ForegroundColor(FSlateColor::UseForeground())
        .Visibility(this, &Self::GetOpenButtonVisibility)
        .OnClicked(this, &Self::OnOpenClicked)
        [
            SNew(SImage)
             .Image(FEditorStyle::GetBrush("PropertyWindow.Button_Edit"))
             .ColorAndOpacity( FSlateColor::UseForeground() )
 
            // SNew(STextBlock)
            // .Text(LOCTEXT("OpenObjectKey", "Open"))
            // .Font(DEFAULT_FONT("Regular", 10))
        ]
    ];
}
 
UObject* FDialogueObject_CustomRowHelper::GetObject() const
{
    if (!PropertyRow)
    {
        return nullptr;
    }
 
    TSharedPtr<IPropertyHandle> PropertyHandle = PropertyRow->GetPropertyHandle();
    if (!PropertyHandle.IsValid())
    {
        return nullptr;
    }
    UObject* Object = nullptr;
    PropertyHandle->GetValue(Object);
    return Object;
}
 
UBlueprint* FDialogueObject_CustomRowHelper::GetBlueprint() const
{
    UObject* Object = GetObject();
    if (!Object)
    {
        return nullptr;
    }
 
    // Class
    UClass* Class = Object->GetClass();
    if (const UBlueprintGeneratedClass* BlueprintClass = Cast<UBlueprintGeneratedClass>(Class))
    {
        if (UBlueprint* Blueprint = Cast<UBlueprint>(BlueprintClass->ClassGeneratedBy))
        {
            return Blueprint;
        }
    }
 
    return Cast<UBlueprint>(Object);
}
 
 
bool FDialogueObject_CustomRowHelper::IsObjectABlueprint() const
{
    return GetBlueprint() != nullptr;
}
 
FReply FDialogueObject_CustomRowHelper::OnBrowseClicked()
{
    if (!GEditor)
    {
        return FReply::Handled();
    }
 
    static constexpr bool bFocusContentBrowser = true;
    TArray<UObject*> ObjectsToSyncTo;
    if (UBlueprint* Blueprint = GetBlueprint())
    {
        ObjectsToSyncTo.Add(Blueprint);
    }
    GEditor->SyncBrowserToObjects(ObjectsToSyncTo, bFocusContentBrowser);
 
    return FReply::Handled();
}
 
FReply FDialogueObject_CustomRowHelper::OnOpenClicked()
{
    if (UBlueprint* Blueprint = GetBlueprint())
    {
        FDialogueEditorUtilities::OpenBlueprintEditor(
            Blueprint,
            OpenType,
            FunctionNameToOpen,
            bForceFullEditor,
            bAddBlueprintFunctionIfItDoesNotExist
        );
    }
    else if (UObject* Object = GetObject())
    {
        // Native
        FSourceCodeNavigation::NavigateToClass(Object->GetClass());
    }
 
    return FReply::Handled();
}
 
FText FDialogueObject_CustomRowHelper::GetBrowseObjectText() const
{
    return LOCTEXT("BrowseButtonToolTipText", "Browse to Asset in Content Browser");
}
 
FText FDialogueObject_CustomRowHelper::GetJumpToObjectText() const
{
    if (IsObjectABlueprint())
    {
        return LOCTEXT("OpenObjectBlueprintTooltipKey", "Open Blueprint Editor");
    }
 
    // Native Class
    return FText::Format(
        LOCTEXT("OpenObjectBlueprintTooltipKey", "Open Source File in {0}"),
        FSourceCodeNavigation::GetSelectedSourceCodeIDE()
    );
}
 
EVisibility FDialogueObject_CustomRowHelper::GetOpenButtonVisibility() const
{
    if (!CanBeVisible())
    {
        return EVisibility::Collapsed;
    }
 
    if (UObject* Object = GetObject())
    {
        // Blueprint
        if (IsObjectABlueprint())
        {
            return EVisibility::Visible;
        }
 
        // Native
        return FSourceCodeNavigation::CanNavigateToClass(Object->GetClass()) ? EVisibility::Visible : EVisibility::Collapsed;
    }
 
    return EVisibility::Collapsed;
}
 
EVisibility FDialogueObject_CustomRowHelper::GetBrowseButtonVisibility() const
{
    if (!CanBeVisible())
    {
        return EVisibility::Collapsed;
    }
 
    return IsObjectABlueprint() ? EVisibility::Visible : EVisibility::Collapsed;
}
 
#undef LOCTEXT_NAMESPACE
#undef DEFAULT_FONT