/*
  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 FILESYSTEMWIDGET_H
#define FILESYSTEMWIDGET_H

#include <QWidget>
#include <QFileSystemModel>
#include <QSqlDatabase>
#include <QDateTime>
#include <QMutex>
#include <QThread>

class SmTreeView;
class FilesystemDirProxy;
class FileView;
class FilesystemFileProxy;
class QLineEdit;
class PictureViewer2;
class FileSystemModel;
class SheMovIconProvider;
class SmDirModel;
class QToolBar;
class QSplitter;
class UnpackDialog;
class Unpacker;

class FilesystemWidget : public QWidget {
	Q_OBJECT
	public:
		enum ClipboardMode { Copy, Cut, None };
        enum SelectedFiles { Current, Previous };
		FilesystemWidget(QWidget *parent = 0);
		FileView *fileView() { return mFileView; }
		FilesystemFileProxy *fileProxy() { return mFileProxy; }
        FileSystemModel *dirModel() { return mModel; }
        SmDirModel *fileModel() { return mFileModel; }
		const QString windowTitle() const { return mWindowTitle; }
        PictureViewer2 *pictureViewer() { return mPicViewer; }
        QToolBar *toolBar() { return mToolBar; }
		bool isMounted();
        const QString currentDir() const;

	signals:
		void windowTitle(const QString &);
		void statusbarMessage(const QString &);
		void mounted(bool);
        void upSelected(const QString &);

	public slots:
		void directoryChanged(const QModelIndex &selected, const QModelIndex &);
		void directoryEdited();
		void fileViewActivated(const QModelIndex &index);
		void parentDir();
		void goBack();
		void deleteFiles();
		void toClipboard(int clipmode);
		void fromClipboard();
        void renameFile();
		void playSelected(const QString &player = QString());
        void playSelectedRepeat(int times);
        void playSelectedInfinite();
		void readSettings();
		void writeSettings();
		void configChanged();
		void dvdMount();
        void moveToArchive();
        void selectAllPV();
        void setWindowTitle();
        void preview();
        void unpack();
        void selectUnpackDir();
        void centerCurrent();

    protected:
        void keyPressEvent(QKeyEvent *e);

	private slots:
		void dirExpanded(const QModelIndex &idx);
		void dirCollapsed(const QModelIndex &idx);
		void fileEditorClosed(const QModelIndex &idx);
        void resizeFileView();

	private:
		void deleteRecursive(const QFileInfo &start);
        QFileInfoList getRecursive(const QFileInfo &start) const;
		void copyFiles(const QStringList &files, const QString &dest);
		void moveFiles(const QStringList &files, const QString &dest);
		void copyRecursive(const QFileInfo &start, const QString &destdir);
		const QString selectedDir();
		QPair<QString, QStringList> programData(const QString &prefix, const QString &preferred);
		QStringList selectedFiles();
		QStringList mExpandedDirs;
        FileSystemModel *mModel;
        SmDirModel *mFileModel;
        SmTreeView *mDirView;
		FileView *mFileView;
		FilesystemDirProxy *mDirProxy;
		FilesystemFileProxy *mFileProxy;
        QToolBar *mToolBar;
		QLineEdit *mDirEdit;
		QString mWindowTitle;
		QString mTemplate;
		qint64 mSize;
        PictureViewer2 *mPicViewer;
		SheMovIconProvider *mIconProvider;
		QString mLastDir;
        QHash<int,QStringList> mLastFiles;
		int mClipboardMode;
        QSplitter *mIconDirSplitter;
        UnpackDialog *mUnpackDlg;
};

class FileSystemModel : public QFileSystemModel {
	Q_OBJECT
	public:
		FileSystemModel(QObject *parent = 0);
        ~FileSystemModel() {}

	public slots:
		void markForClipboard(const QPersistentModelIndex &idx);
		void clearClipboardList();

	private:
		void cleanup();
		QHash<QString, QDateTime> mSeen;
		QSqlDatabase mDb;
		QSqlQuery *mDeleteFromSeenQuery;
		QSqlQuery *mMarkAsSeenQuery;
		QList<QPersistentModelIndex> mClipEntries;
};

#endif