// Fill out your copyright notice in the Description page of Project Settings.


#include "SMixerEffectItem.h"

#include "MultiBoxBuilder.h"
#include "SButton.h"
#include "SlateApplication.h"
#include "SlateOptMacros.h"
#include "PluginHost/PluginHost.h"
#include "Singleton/PluginHostList.h"
#include "Widgets/SBoxPanel.h"
#include "UI/Widget/WindowManager.h"
#include "UI/Widget/ChannelInterface/SPluginHostChannelInterface.h"

BEGIN_SLATE_FUNCTION_BUILD_OPTIMIZATION

#define LOCTEXT_NAMESPACE "SMixer"

void SMixerEffectItem::Construct(const FArguments& InArgs, FPluginHost* InPluginHost)
{
	PluginHost = InPluginHost;
	
	ChildSlot
	[
		SNew(SHorizontalBox)
		+SHorizontalBox::Slot()
		.FillWidth(1.f)
		[
			SNew(SButton)
			.Text(FText::FromString(PluginHost->Name))
			.OnClicked(this, &SMixerEffectItem::OnButtonClicked)
		]
		+SHorizontalBox::Slot()
		.AutoWidth()
		[
			SAssignNew(MenuAnchor, SMenuAnchor)
			.OnGetMenuContent(this, &SMixerEffectItem::CreateChannelInterfaceMenu)
			[
				SNew(SButton)
				.Text(FText::FromString("X"))
				.OnClicked(this, &SMixerEffectItem::OnChannelInterfaceClicked)
			]
		]
	];
}

FReply SMixerEffectItem::OnMouseButtonUp(const FGeometry& MyGeometry, const FPointerEvent& MouseEvent)
{
	if (MouseEvent.GetEffectingButton() == EKeys::RightMouseButton)
	{
		ShowMenu();
	}
	return FReply::Handled();
}

FReply SMixerEffectItem::OnButtonClicked()
{
	FWindowManager::Get().TogglePluginEditor(PluginHost);
	return FReply::Handled();
}

FReply SMixerEffectItem::OnChannelInterfaceClicked()
{
	MenuAnchor->SetIsOpen(true);
	return FReply::Handled();
}

TSharedRef<SWidget> SMixerEffectItem::CreateChannelInterfaceMenu()
{
	return SNew(SPluginHostChannelInterface, PluginHost);
}

void SMixerEffectItem::ShowMenu()
{
	FMenuBuilder MenuBuilder(true, nullptr);
	// Delete effect
	MenuBuilder.AddMenuEntry(
		LOCTEXT("DeleteEffect", "删除效果器"),
		LOCTEXT("DeleteEffectTooltip", "从混音轨道中删除该效果。"),
		FSlateIcon(),
		FUIAction(
			FExecuteAction::CreateLambda([this]()
			{
				FPluginHostList::Get().RemovePluginHost(PluginHost);
			})
		)
	);
	FSlateApplication::Get().PushMenu(
		AsShared(),
		FWidgetPath(),
		MenuBuilder.MakeWidget(),
		FSlateApplication::Get().GetCursorPos(),
		FPopupTransitionEffect(FPopupTransitionEffect::ContextMenu)
	);
}

END_SLATE_FUNCTION_BUILD_OPTIMIZATION
#undef LOCTEXT_NAMESPACE