// This file is part of RSS Guard.
//
// Copyright (C) 2011-2017 by Martin Rotter <rotter.martinos@gmail.com>
// Copyright (C) 2010-2014 by David Rosca <nowrep@gmail.com>
//
// RSS Guard is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// RSS Guard is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with RSS Guard. If not, see <http://www.gnu.org/licenses/>.

#ifndef BOOKMARKSTREEWIDGET_H
#define BOOKMARKSTREEWIDGET_H

#include <QTreeWidget>


class TreeWidget : public QTreeWidget {
		Q_OBJECT

	public:
		explicit TreeWidget(QWidget* parent = 0);

		enum ItemShowMode { ItemsCollapsed = 0, ItemsExpanded = 1 };

		ItemShowMode defaultItemShowMode() {
			return m_showMode;
		}
		void setDefaultItemShowMode(ItemShowMode mode) {
			m_showMode = mode;
		}
		QList<QTreeWidgetItem*> allItems();

		bool appendToParentItem(const QString& parentText, QTreeWidgetItem* item);
		bool appendToParentItem(QTreeWidgetItem* parent, QTreeWidgetItem* item);
		bool prependToParentItem(const QString& parentText, QTreeWidgetItem* item);
		bool prependToParentItem(QTreeWidgetItem* parent, QTreeWidgetItem* item);

		void addTopLevelItem(QTreeWidgetItem* item);
		void addTopLevelItems(const QList<QTreeWidgetItem*>& items);
		void insertTopLevelItem(int index, QTreeWidgetItem* item);
		void insertTopLevelItems(int index, const QList<QTreeWidgetItem*>& items);

		void deleteItem(QTreeWidgetItem* item);
		void deleteItems(const QList<QTreeWidgetItem*>& items);

	signals:
		void itemControlClicked(QTreeWidgetItem* item);
		void itemMiddleButtonClicked(QTreeWidgetItem* item);

	public slots:
		void filterString(const QString& string);
		void clear();

	private slots:
		void sheduleRefresh();

	private:
		void mousePressEvent(QMouseEvent* event);
		void iterateAllItems(QTreeWidgetItem* parent);

		bool m_refreshAllItemsNeeded;
		QList<QTreeWidgetItem*> m_allTreeItems;
		ItemShowMode m_showMode;
};

#endif // BOOKMARKSTREEWIDGET_H