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/*
  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>
#include <QDialog>

class QLineEdit;
class QPushButton;
class QSortFilterProxyModel;
class QComboBox;
class QEvent;
class QLabel;
class SeriesTreeModel;
class SeriesTreeView;
class SeriesTreeSortModel;
class HoverWindow;
class FilesTreeModel;
class AddCoverDialog;
class HoverWindow;

class SeriesTreeWidget : public QWidget {
	Q_OBJECT
	public:
		explicit SeriesTreeWidget(QWidget *parent = 0);
		SeriesTreeView *seriesTree() { return mView; }
		SeriesTreeSortModel *seriesProxy() { return mProxy; }

	public slots:
		void newSeries();
		void seriesAdded(const QString seriesName, int seriesPart, bool resort = true);
		void deleteFromSeries();
		void readSettings();
		void writeSettings();
		void expandCurrent();
		void addCover();

	private slots:
		void filter();
		void clearFilter();
		void resort();
		void itemExpanded(const QModelIndex &);
		void itemCollaped(const QModelIndex &);
		void expandItems(const QStringList &items);
		void editItem();

	signals:
		void filesReload();

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

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

	public slots:
		void readConfig();

	protected:
		virtual void contextMenuEvent(QContextMenuEvent *e);
		virtual bool event(QEvent *event);

	private:
		bool exitHover(bool exitVal = true);
		QStringList children(const QModelIndex &idx) const;
		QModelIndex mCurHover;
		HoverWindow *mHoverWin;
		bool mHover;
};


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

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

class AddCoverDialog : public QDialog {
	Q_OBJECT
	public:
		explicit AddCoverDialog(QWidget *parent = 0, Qt::WindowFlags f = 0);
		const QString file() const;
		int fileType() const { return mCurrentType; }

	private slots:
		void selectFile();
		void typeChanged(const QString &type);

	private:
		QLineEdit *mFile;
		QComboBox *mFileType;
		QPushButton *mSelectFile;
		QPushButton *mOk;
		QPushButton *mCancel;
		QString mLastOpenedDir;
		int mCurrentType;
		FilesTreeModel *mFilesModel;
};

#endif