/* Copyright 2013-2017 MultiMC Contributors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#pragma once

#include <QWidget>
#include <QModelIndex>

#include "pages/BasePageProvider.h"
#include "pages/BasePageContainer.h"

class QLayout;
class IconLabel;
class QSortFilterProxyModel;
class PageModel;
class QLabel;
class QListView;
class QLineEdit;
class QStackedLayout;
class QGridLayout;

class PageContainer : public QWidget, public BasePageContainer
{
	Q_OBJECT
public:
	explicit PageContainer(BasePageProviderPtr pageProvider, QString defaultId = QString(),
						QWidget *parent = 0);
	virtual ~PageContainer() {}

	void addButtons(QWidget * buttons);
	void addButtons(QLayout * buttons);
	/*
	 * Save any unsaved state and prepare to be closed.
	 * @return true if everything can be saved, false if there is something that requires attention
	 */
	bool prepareToClose();

	/* request close - used by individual pages */
	bool requestClose() override
	{
		if(m_container)
		{
			return m_container->requestClose();
		}
		return false;
	}

	virtual bool selectPage(QString pageId) override;

	void refreshContainer() override;
	virtual void setParentContainer(BasePageContainer * container)
	{
		m_container = container;
	};

private:
	void createUI();
private
slots:
	void currentChanged(const QModelIndex &current);
	void showPage(int row);
	void help();

private:
	BasePageContainer * m_container = nullptr;
	BasePage * m_currentPage = 0;
	QSortFilterProxyModel *m_proxyModel;
	PageModel *m_model;
	QStackedLayout *m_pageStack;
	QListView *m_pageList;
	QLabel *m_header;
	IconLabel *m_iconHeader;
	QGridLayout *m_layout;
};