#include "stdafx.h"
#include "ActionComboItem.h"
#include "Visitor.h"
#include <algorithm>

NAction::CActionComboItem::CActionComboItem()
	: CActionItem(nullptr, 0)
{
}

NAction::CActionComboItem::CActionComboItem(CSigmaDoc* ppDoc, UINT actionType)
	: CActionItem(ppDoc, actionType)
{
}

NAction::CActionComboItem::~CActionComboItem()
{
}

void NAction::CActionComboItem::AddAction(CActionItem* action)
{
	if (action == nullptr)
	{
		return;
	}

	m_actionItems.emplace_back(action);
}

void NAction::CActionComboItem::RemoveAction(CActionItem* action)
{
	auto it = FindAction(action);
	if (it != m_actionItems.end())
	{
		m_actionItems.erase(it);
	}
}

int NAction::CActionComboItem::GetCount() const
{
	return (int)m_actionItems.size();
}

void NAction::CActionComboItem::Clear()
{
	m_actionItems.clear();
}

void NAction::CActionComboItem::Undo(void)
{
	for (auto& pActionItem : m_actionItems)
	{
		pActionItem->Undo();
	}
}

void NAction::CActionComboItem::Redo(void)
{
	for (auto &pActionItem : m_actionItems)
	{
		pActionItem->Redo();
	}
}

void NAction::CActionComboItem::accept(CActionVisitor& visitor)
{
	visitor.visit(*this);
}

std::list<std::shared_ptr<CActionItem>>::const_iterator NAction::CActionComboItem::FindAction(CActionItem* action) const
{
	auto compareFun = [action](const std::shared_ptr<CActionItem> ptr)
		{
			return ptr.get() == action;
		};

	return std::find_if(m_actionItems.begin(), m_actionItems.end(), compareFun);
}