#ifndef FILEFIELD_H

#define FILEFIELD_H

#include "tcommon.h"

#include <qwidget></qwidget>

#include <qfiledialog></qfiledialog>

#include "tfilepath.h"

#include "toonzqt/lineedit.h"

#undef DVAPI

#undef DVVAR

#ifdef TOONZQT_EXPORTS

#define DVAPI DV_EXPORT_API

#define DVVAR DV_EXPORT_VAR

#else

#define DVAPI DV_IMPORT_API

#define DVVAR DV_IMPORT_VAR

#endif

// forward declaration

class QPushButton;

//=============================================================================

namespace DVGui

{

//=============================================================================

/*! \class DVGui::FileField

		\brief The FileField class provides an object to manage file browser.

		Inherits \b QWidget.

		The object FileField is composed of two part, a field \b LineEdit and a

		button \b QPushButton. Click button to open a directory browser popup

		that is used to choose a directory.

		You can set in constructor default path.

		Maximum height object is fixed to \b DVGui::WidgetHeight.

		By default dialog permit user to select only folder, but using setFileMode()

		you can indicate what the user may select in the file dialog, folder or file;

		you can also set file type using setFilters().

*/

class DVAPI FileField : public QWidget

{

	Q_OBJECT

	LineEdit *m_field;

	QStringList m_filters;

	QFileDialog::FileMode m_fileMode;

	QString m_windowTitle;

protected: //used in the child class for CleanupSettings

	QPushButton *m_fileBrowseButton;

	QString m_lastSelectedPath;

public:

	/* N.B. Vedi il commento della classe BrowserPopupController in filebrowserpopup.cpp*/

	class BrowserPopupController

	{

	public:

		BrowserPopupController() {}

		virtual ~BrowserPopupController() {}

		virtual bool isExecute() { return true; };

		virtual QString getPath() { return QString(); };

		virtual void openPopup(QStringList, bool, QString){};

	};

	static BrowserPopupController *m_browserPopupController;

	FileField(QWidget *parent = 0, QString path = QString(), bool readOnly = false);

	~FileField() {}

	/*! Set what the user may select in the file dialog:

			\li QFileDialog::DirectoryOnly show only directory.

			\li QFileDialog::AnyFile, QFileDialog::ExistingFile, QFileDialog::Directory, QFileDialog::ExistingFiles

					show directory and file. */

	void setFileMode(const QFileDialog::FileMode &fileMode);

	/*! Set file type in dialog popup. */

	void setFilters(const QStringList &filters);

	void setValidator(const QValidator *v) { m_field->setValidator(v); }

	QString getPath();

	void setPath(const QString &path);

	static void setBrowserPopupController(BrowserPopupController *controller);

	static BrowserPopupController *getBrowserPopupController();

protected slots:

	/*! Open a static file dialog popup to browse and choose directories. If a

			directory is seleceted and choose, set field to this directory. */

	//reimplemented in the "save in" filefield in CleanupSettings

	virtual void browseDirectory();

signals:

	/*!	This signal is emitted when path in field change, or by field edit or by

			browse popup. */

	void pathChanged();

};

//-----------------------------------------------------------------------------

} //namespace DVGui

//-----------------------------------------------------------------------------

#endif // FILEFIELD_H