// This file is a part of Framsticks SDK.  http://www.framsticks.com/
// Copyright (C) 1999-2015  Maciej Komosinski and Szymon Ulatowski.
// See LICENSE.txt for details.

#ifndef _MUTABLEPARAM_H_
#define _MUTABLEPARAM_H_

#include "mutparamiface.h"
#include <frams/util/extvalue.h>
#include "param.h"
#include <frams/util/callbacks.h>

class VMachine;
class VMCode;

class MutableParam: public SimpleAbstractParam, public MutableParamInterface 
{
static const int staticprops=7;
static ParamEntry pe_tab[];
/** group #0 cannot be removed by scripting  */
int persistgroup0;
SString grprefix;
SList entries;
SList groups;
int changed;
ParamEntry *entry(int i) {return (i<staticprops)? pe_tab+i : ((ParamEntry*)entries(i-staticprops));}
void *getTarget(int i) {return (i<staticprops)? SimpleAbstractParam::getTarget(i) : (void*)entry(i)->offset;}
void call(int i,ExtValue* args,ExtValue *ret);
  public:
void clear(int everything=0);
int firstMutableIndex() {return staticprops;}
SString& groupname(int g) {return *((SString*)groups(g));}
MutableParam(const char*n=0,const char*g=0,int gr0=1);
void setGroupName(const SString &n,int g=0) {groupname(g)=n;}
~MutableParam() {clear(1);}
int getGroupCount() {return groups.size();}
int getPropCount() {return entries.size()+staticprops;}
const char *grname(int i) {return (i>=groups.size()) ? 0 : groupname(i).c_str();}
int grmember(int g,int a);

int addGroup(const SString& gname,int noprefix=0);
void removeGroup(int pos);

int findGroup(const SString name,int ignoreprefix=0);

/** @param data pointer to the variable. 0 will allocate new variable
    @param position -1 = after the last one  */
int addProperty(void* data,const char* id,const char* type,const char* name,const char* help=0,int flags=0,int group=0,int position=-1);

int addProperty(ParamEntry *pe,int position=-1);
ParamEntry * removeProperty(ParamEntry *pe);
ParamEntry * removeProperty(int i);

void notify(int id);

int setInt(int,paInt);
int setDouble(int,double);
int setString(int,const SString &);
int setObject(int,const ExtObject &);
int setExtValue(int,const ExtValue &);

#define STATRICKCLASS MutableParam
PARAMPROCDEF(p_clear);
PARAMPROCDEF(p_addprop);
PARAMPROCDEF(p_remprop);
PARAMPROCDEF(p_addgroup);
PARAMPROCDEF(p_remgroup);
PARAMGETDEF(changedname) {arg1->setString(id(changed));}
#undef STATRICKCLASS
};

class ParamSaver
{
SList store;
  public:
virtual bool shouldLoad(ParamInterface &pi,int i) {return true;}
ParamSaver() {}
ParamSaver(ParamInterface &pi) {loadFrom(pi);}
~ParamSaver() {clear();}
void loadFrom(ParamInterface& p);
void saveTo(MutableParam& p);
void clear();
};


#endif