#ifndef __INK_EXTENSION_PARAM_H__

#define __INK_EXTENSION_PARAM_H__

#include <gtkmm/widget.h>

#include "xml/document.h"

#include "extension-forward.h"

namespace Inkscape {

namespace Extension {

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;

/* **** 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,

Inkscape::Extension::Extension * ext);

Parameter (const gchar * name,

const gchar * guitext,

Inkscape::Extension::Extension * ext) {

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

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);

const gchar * set_string (const gchar * 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);

virtual Glib::ustring * string (void);

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

};

} /* namespace Extension */

} /* namespace Inkscape */

#endif /* __INK_EXTENSION_PARAM_H__ */