/* 
 * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
 *
 * 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; version 2 of the
 * License.
 * 
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301  USA
 */

/**
 * Implementation of a composite used to select a file system object like a file, folder, device,
 * drive etc.
 */

#pragma once

#include "mforms/label.h"
#include "mforms/box.h"
#include "mforms/button.h"
#include "mforms/textentry.h"
#include "mforms/filechooser.h"
#include "base/trackable.h"

namespace mforms {

  class MFORMS_EXPORT FsObjectSelector : public Box
  {
  private:
    Button* _browse_button;
    TextEntry* _edit;
    FileChooserType _type;
    std::string _extensions;
    std::string _default_extension;
    boost::function<void ()> _on_validate;
    boost::signals2::scoped_connection _browse_connection; // The connection created when connecting the browse callback.
    bool _show_hidden;
  protected:
    void enable_file_browsing();
    void filename_changed();
    void browse_file_callback();
      
  public:
    FsObjectSelector(bool horizontal= true);
    FsObjectSelector(Button* button, TextEntry* edit);
    ~FsObjectSelector();
    
    void initialize(const std::string& initial_path, FileChooserType type, const std::string& extensions,
                    const std::string& button_text= "...", bool show_hidden = false,
                    boost::function<void ()> on_validate= boost::function<void ()>());
    void set_filename(const std::string &path);
    std::string get_filename();
    void set_enabled(bool value);
    void set_browse_callback(boost::function<void ()> browse_callback);

    TextEntry *get_entry() const { return _edit; }
    
    virtual std::string get_string_value();
    virtual int get_int_value();
    virtual bool get_bool_value();

#ifndef SWIG
    boost::signals2::signal<void ()>* signal_changed() { return _edit->signal_changed(); }
#endif
    
    static void clear_stored_filenames();
    static bool check_and_confirm_file_overwrite(TextEntry* entry, const std::string &default_extension="");
    bool check_and_confirm_file_overwrite();
  };
  
}
