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/* Copyright 2013-2015 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 <QTreeView>

class Mod;

class VersionListView : public QTreeView
{
	Q_OBJECT
public:

	explicit VersionListView(QWidget *parent = 0);
	virtual void paintEvent(QPaintEvent *event) override;
	virtual void setModel(QAbstractItemModel* model) override;

	enum EmptyMode
	{
		Empty,
		String,
		ErrorString
	};

	void setEmptyString(QString emptyString);
	void setEmptyErrorString(QString emptyErrorString);
	void setEmptyMode(EmptyMode mode);

public slots:
	virtual void reset() override;

protected slots:
	virtual void rowsAboutToBeRemoved(const QModelIndex & parent, int start, int end) override;
	virtual void rowsInserted(const QModelIndex &parent, int start, int end) override;

private: /* methods */
	void paintInfoLabel(QPaintEvent *event);
	void updateEmptyViewPort();

private: /* variables */
	int m_itemCount = 0;
	QString m_emptyString;
	QString m_emptyErrorString;
	EmptyMode m_emptyMode = Empty;
};