#pragma once

#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;

  QString m_descriptionText;  // if the initial text is not path, set the string

                              // here and prevent browsing

  bool m_codePath;

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(bool codePath = true) { return QString(); };

    virtual void openPopup(QStringList, bool, QString,

                           const QWidget * = NULL){};

  };

  static BrowserPopupController *m_browserPopupController;

  FileField(QWidget *parent = 0, QString path = QString(),

            bool readOnly = false, bool doNotBrowseInitialPath = false,

            bool codePath = true);

  ~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);

  LineEdit *getField() { return m_field; }

  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