// Copyright (c) 2016-2018 Kiwano - Nomango
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

#include "Menu.h"

namespace kiwano
{
	Menu::Menu()
		: enabled_(true)
	{
	}

	Menu::Menu(Vector<ButtonPtr> const& buttons)
		: enabled_(true)
	{
		for (const auto& button : buttons)
		{
			this->AddButton(button);
		}
	}

	bool Menu::IsEnable() const
	{
		return enabled_;
	}

	UInt32 Menu::GetButtonCount() const
	{
		return buttons_.size();
	}

	void Menu::SetEnabled(bool enabled)
	{
		if (enabled_ != enabled)
		{
			enabled_ = enabled;

			for (const auto& button : buttons_)
			{
				button->SetEnabled(enabled);
			}
		}
	}

	void Menu::AddButton(ButtonPtr button)
	{
		if (button)
		{
			this->AddChild(button);
			buttons_.push_back(button);
			button->SetEnabled(enabled_);
		}
	}

	bool Menu::RemoveButton(ButtonPtr button)
	{
		if (buttons_.empty())
		{
			return false;
		}

		this->RemoveChild(button);

		if (button)
		{
			auto iter = std::find(buttons_.begin(), buttons_.end(), button);
			if (iter != buttons_.end())
			{
				// 移除按钮前，将它启用
				button->SetEnabled(true);
				buttons_.erase(iter);
				return true;
			}
		}
		return false;
	}

	Vector<ButtonPtr> const& Menu::GetAllButtons() const
	{
		return buttons_;
	}

}