#ifndef SEEN_INK_EXTENSION_PARAM_H__

#define SEEN_INK_EXTENSION_PARAM_H__

#include <gtkmm/widget.h>

#include <glibmm/i18n.h>

#include "xml/document.h"

#include "xml/node.h"

#include "document.h"

#include "extension/extension-forward.h"

#include <color.h>

namespace Inkscape {

namespace Extension {

extern Glib::ustring const extension_pref_root;

class Parameter {

private:

/** \brief Which extension is this parameter attached to? */

Inkscape::Extension::Extension * extension;

/** \brief The name of this parameter. */

gchar * _name;

protected:

/** \brief Description of the parameter. */

gchar * _desc;

/** \brief List of possible scopes. */

typedef enum {

SCOPE_USER, /**< Parameter value is saved in the user's configuration file. (default) */

SCOPE_DOCUMENT, /**< Parameter value is saved in the document. */

SCOPE_NODE /**< Parameter value is attached to the node. */

} _scope_t;

/** \brief Scope of the parameter. */

_scope_t _scope;

/** \brief Text for the GUI selection of this. */

gchar * _text;

/** \brief Whether the GUI is visible */

bool _gui_hidden;

/** \brief A tip for the GUI if there is one */

gchar * _gui_tip;

/* **** funcs **** */

gchar * pref_name (void);

Inkscape::XML::Node * find_child (Inkscape::XML::Node * adult);

Inkscape::XML::Node * document_param_node (SPDocument * doc);

Inkscape::XML::Node * new_child (Inkscape::XML::Node * parent);

public:

Parameter (const gchar * name,

const gchar * guitext,

const gchar * desc,

const Parameter::_scope_t scope,

bool gui_hidden,

const gchar * gui_tip,

Inkscape::Extension::Extension * ext);

Parameter (const gchar * name,

const gchar * guitext,

Inkscape::Extension::Extension * ext) {

Parameter(name, guitext, NULL, Parameter::SCOPE_USER, false, NULL, ext);

};

virtual ~Parameter (void);

bool get_bool (const SPDocument * doc,

const Inkscape::XML::Node * node);

int get_int (const SPDocument * doc,

const Inkscape::XML::Node * node);

float get_float (const SPDocument * doc,

const Inkscape::XML::Node * node);

const gchar * get_string (const SPDocument * doc,

const Inkscape::XML::Node * node);

guint32 get_color (const SPDocument * doc,

const Inkscape::XML::Node * node);

const gchar * get_enum (const SPDocument * doc,

const Inkscape::XML::Node * node);

gchar const * get_optiongroup( SPDocument const * doc,

Inkscape::XML::Node const * node);

bool set_bool (bool in, SPDocument * doc, Inkscape::XML::Node * node);

int set_int (int in, SPDocument * doc, Inkscape::XML::Node * node);

float set_float (float in, SPDocument * doc, Inkscape::XML::Node * node);

gchar const * set_optiongroup(gchar const *in, SPDocument * doc, Inkscape::XML::Node *node);

const gchar * set_string (const gchar * in, SPDocument * doc, Inkscape::XML::Node * node);

guint32 set_color (guint32 in, SPDocument * doc, Inkscape::XML::Node * node);

const gchar * name (void) {return _name;}

static Parameter * make (Inkscape::XML::Node * in_repr, Inkscape::Extension::Extension * in_ext);

virtual Gtk::Widget * get_widget (SPDocument * doc, Inkscape::XML::Node * node, sigc::signal<void> * changeSignal);

gchar const * get_tooltip (void) { return _desc; }

/** \brief Indicates if the GUI for this parameter is hidden or not */

bool get_gui_hidden () { return _gui_hidden; }

virtual void string (std::list <std::string> &list);

virtual void string (std::string &string);

virtual Parameter * get_param (const gchar * name);

};

} /* namespace Extension */

} /* namespace Inkscape */

#endif /* __INK_EXTENSION_PARAM_H__ */