/*

Copyright (C) 2011-2012 Jacob Dawid

This file is part of Octave.

Octave 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 3 of the License, or (at your
option) any later version.

Octave is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License
along with Octave; see the file COPYING.  If not, see
<http://www.gnu.org/licenses/>.

*/

#ifndef FILEEDITORMDISUBWINDOW_H
#define FILEEDITORMDISUBWINDOW_H

#include <QToolBar>
#include <QAction>
#include <QMenuBar>
#include <QStatusBar>
#include <QCloseEvent>
#include <QTabWidget>

#include "main-window.h"
#include "file-editor-interface.h"
#include "file-editor-tab.h"

const char UNNAMED_FILE[]     = "<unnamed>";
const char SAVE_FILE_FILTER[] = "Octave Files (*.m);;All Files (*.*)";
enum editor_markers
  {
    bookmark,
    breakpoint,
    debugger_position
  };

class file_editor : public file_editor_interface
{
Q_OBJECT

public:
  file_editor (QTerminal *terminal, main_window *m);
  ~file_editor ();
  void loadFile (const QString& fileName);

  QTerminal *       terminal ();
  main_window *     get_main_window ();

  QMenu *           debug_menu ();
  QToolBar *        toolbar ();

  void handle_entered_debug_mode ();
  void handle_quit_debug_mode ();

public slots:
  void request_new_file ();
  void request_open_file ();
  void request_open_file (const QString& fileName, bool silent = false);

  void request_undo ();
  void request_redo ();
  void request_copy ();
  void request_cut ();
  void request_paste ();
  void request_save_file ();
  void request_save_file_as ();
  void request_run_file ();
  void request_toggle_bookmark ();
  void request_next_bookmark ();
  void request_previous_bookmark ();
  void request_remove_bookmark ();

  void request_toggle_breakpoint ();
  void request_next_breakpoint ();
  void request_previous_breakpoint ();
  void request_remove_breakpoint ();

  void request_comment_selected_text ();
  void request_uncomment_selected_text ();
  void request_find ();

  void handle_file_name_changed (const QString& fileName);
  void handle_tab_close_request (int index);
  void handle_tab_close_request ();
  void active_tab_changed (int index);
  void handle_editor_state_changed ();
  
  /** Tells the editor to react on changed settings. */
  void notice_settings ();

private:
  void construct ();
  void add_file_editor_tab(file_editor_tab *f);
  file_editor_tab *active_editor_tab();

  QMenuBar *        _menu_bar;
  QToolBar *        _tool_bar;
  QMenu *           _debug_menu;
  QAction *         _copy_action;
  QAction *         _cut_action;
  QAction *         _run_action;
  QTabWidget *      _tab_widget;
  int               _marker_breakpoint;
};

#endif // FILEEDITORMDISUBWINDOW_H