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#pragma once
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#ifndef FILEFIELD_H
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#define FILEFIELD_H
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#include "tcommon.h"
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#include <qwidget></qwidget>
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#include <qfiledialog></qfiledialog>
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#include "tfilepath.h"
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#include "toonzqt/lineedit.h"
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#undef DVAPI
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#undef DVVAR
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#ifdef TOONZQT_EXPORTS
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#define DVAPI DV_EXPORT_API
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#define DVVAR DV_EXPORT_VAR
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#else
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#define DVAPI DV_IMPORT_API
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#define DVVAR DV_IMPORT_VAR
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#endif
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// forward declaration
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class QPushButton;
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//=============================================================================
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namespace DVGui {
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//=============================================================================
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/*! \class DVGui::FileField
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                \brief The FileField class provides an object to manage file
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   browser.
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                Inherits \b QWidget.
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                The object FileField is composed of two part, a field \b
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   LineEdit and a
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                button \b QPushButton. Click button to open a directory browser
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   popup
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                that is used to choose a directory.
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                You can set in constructor default path.
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                Maximum height object is fixed to \b DVGui::WidgetHeight.
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                By default dialog permit user to select only folder, but using
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   setFileMode()
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                you can indicate what the user may select in the file dialog,
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   folder or file;
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                you can also set file type using setFilters().
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*/
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class DVAPI FileField : public QWidget {
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  Q_OBJECT
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  LineEdit *m_field;
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  QStringList m_filters;
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  QFileDialog::FileMode m_fileMode;
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  QString m_windowTitle;
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  QString m_descriptionText;  // if the initial text is not path, set the string
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                              // here and prevent browsing
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  bool m_codePath;
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protected:  // used in the child class for CleanupSettings
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  QPushButton *m_fileBrowseButton;
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  QString m_lastSelectedPath;
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public:
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  /* N.B. Vedi il commento della classe BrowserPopupController in
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   * filebrowserpopup.cpp*/
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  class BrowserPopupController {
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  public:
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    BrowserPopupController() {}
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    virtual ~BrowserPopupController() {}
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    virtual bool isExecute() { return true; };
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    virtual QString getPath(bool codePath = true) { return QString(); };
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    virtual void openPopup(QStringList, bool, QString,
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                           const QWidget * = NULL){};
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  };
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  static BrowserPopupController *m_browserPopupController;
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  FileField(QWidget *parent = 0, QString path = QString(),
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            bool readOnly = false, bool doNotBrowseInitialPath = false,
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            bool codePath = true);
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  ~FileField() {}
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  /*! Set what the user may select in the file dialog:
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                  \li QFileDialog::DirectoryOnly show only directory.
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                  \li QFileDialog::AnyFile, QFileDialog::ExistingFile,
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     QFileDialog::Directory, QFileDialog::ExistingFiles
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                                  show directory and file. */
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  void setFileMode(const QFileDialog::FileMode &fileMode);
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  /*! Set file type in dialog popup. */
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  void setFilters(const QStringList &filters);
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  void setValidator(const QValidator *v) { m_field->setValidator(v); }
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  QString getPath();
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  void setPath(const QString &path);
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  LineEdit *getField() { return m_field; }
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  static void setBrowserPopupController(BrowserPopupController *controller);
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  static BrowserPopupController *getBrowserPopupController();
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protected slots:
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  /*! Open a static file dialog popup to browse and choose directories. If a
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                  directory is seleceted and choose, set field to this
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     directory. */
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  // reimplemented in the "save in" filefield in CleanupSettings
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  virtual void browseDirectory();
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signals:
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  /*!	This signal is emitted when path in field change, or by field edit or by
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                  browse popup. */
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  void pathChanged();
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};
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//-----------------------------------------------------------------------------
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}  // namespace DVGui
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//-----------------------------------------------------------------------------
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#endif  // FILEFIELD_H