/*
  This program 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
  2 of the License, or (at your option) any later version.
*/

#ifndef SERIESTREEWIDGET_H
#define SERIESTREEWIDGET_H

#include <QWidget>
#include <QTreeView>
#include <QSortFilterProxyModel>

class QLineEdit;
class QPushButton;
class QSortFilterProxyModel;
class SeriesTreeModel;
class SeriesTreeView;
class SeriesTreeSortModel;

class SeriesTreeWidget : public QWidget {
	Q_OBJECT
	public:
		explicit SeriesTreeWidget(QWidget *parent = 0);
		SeriesTreeView *seriesTree() { return mView; }
		QModelIndexList mapToSource(const QModelIndexList &indexes) const;
		QModelIndex mapToSource(const QModelIndex &index) const;

	public slots:
		void newSeries();
		void deleteFromSeries();
		void readSettings();
		void writeSettings();
		void expandCurrent();

	private slots:
		void filter();
		void resort();
		void itemExpanded(const QModelIndex &);
		void itemCollaped(const QModelIndex &);

	private:
		QLineEdit *mFilterEdit;
		QPushButton *mFilter;
		SeriesTreeView *mView;
		SeriesTreeSortModel *mProxy;
		SeriesTreeModel *mModel;
		QStringList mExpandedItems;
};

class SeriesTreeView : public QTreeView {
	Q_OBJECT
	public:
		explicit SeriesTreeView(QWidget *parent = 0);

	protected:
		virtual void contextMenuEvent(QContextMenuEvent *e);
};

class SeriesTreeSortModel : public QSortFilterProxyModel {
	Q_OBJECT
	public:
		SeriesTreeSortModel(QObject *parent = 0);
		~SeriesTreeSortModel() {}

	protected:
		virtual bool lessThan(const QModelIndex &left, const QModelIndex &right) const;
};

#endif