// -*- mode: c++; c-basic-offset: 2; -*-

#ifndef GUI_FORM_HH
#define GUI_FORM_HH

#include <string>
#include <vector>

#include "gui_window.hh"

class GuiForm : public GuiWindow {
public:
  class Listener : public GuiWindow::Listener {
  public:
    virtual ~Listener() {}

    virtual void changed(GuiForm* form, std::string const& id) = 0;
    virtual bool about_to_close(GuiForm* form) = 0;

  protected:
    Listener() {}
  };

  static GuiForm* create(std::string const& title, std::string const& text);

  virtual void add_string(std::string const& id, std::string const& label,
                          std::string const& value,
                          std::string const& description) = 0;
  virtual void add_number(std::string const& id, std::string const& label,
                          uint64_t value,
                          std::string const& description) = 0;
  struct Filter {
    std::string name;
    std::vector<std::string> masks;
  };
  static const uint8_t FILE_OPEN;
  static const uint8_t FILE_SAVE;
  virtual void add_file(std::string const& id, std::string const& label,
                        std::string const& value,
                        std::string const& description, uint8_t flags,
                        std::vector<Filter> const& filter) = 0;

  virtual void add_listener(Listener* listener) = 0;
  virtual void remove_listener(Listener* listener) = 0;

  virtual bool show(GuiWindow* parent) = 0;

  virtual void set_error(std::string const& error) = 0;

  virtual std::string get_string(std::string const& id) const = 0;
  virtual uint64_t get_number(std::string const& id) const = 0;
  virtual std::string get_file(std::string const& id) const = 0;

protected:
  GuiForm() {}
};

#endif  // GUI_FORM_HH