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/***************************************************************************
* Copyright (c) 2009 Werner Mayer <wmayer@users.sourceforge.net> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library 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 Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#ifndef SANDBOX_DOCUMENTPROTECTOR_H
#define SANDBOX_DOCUMENTPROTECTOR_H
#include <string>
#include <App/DocumentObserver.h>
namespace App {
class Document;
class DocumentObject;
}
namespace Sandbox {
class SandboxAppExport DocumentProtector : public App::DocumentObserver
{
public:
DocumentProtector(App::Document*);
~DocumentProtector();
static void init();
App::DocumentObject *addObject(const std::string& type, const std::string& name="");
void removeObject(const std::string& name);
void recompute();
private:
/** Checks if the given document is about to be closed */
void slotDeletedDocument(const App::Document& Doc);
void validate();
};
class AbstractCallable
{
public:
AbstractCallable()
{
}
virtual ~AbstractCallable()
{
}
virtual void operator()() const = 0;
};
template <class T, void (T::*method)()>
class Callable : public AbstractCallable
{
public:
Callable(App::DocumentObject* o) : obj(o)
{
}
virtual ~Callable()
{
}
virtual void operator()() const
{
T* v = static_cast<T*>(obj);
(v->*method)();
}
private:
App::DocumentObject* obj;
};
template <class T, class Arg, void (T::*method)(Arg)>
class CallableWithArgs : public AbstractCallable
{
public:
CallableWithArgs(App::DocumentObject* o, Arg a) : obj(o), arg(a)
{
}
virtual ~CallableWithArgs()
{
}
virtual void operator()() const
{
T* v = static_cast<T*>(obj);
(v->*method)(arg);
}
private:
App::DocumentObject* obj;
Arg arg;
};
class SandboxAppExport DocumentObjectProtector
{
public:
DocumentObjectProtector(App::DocumentObject*);
~DocumentObjectProtector();
App::DocumentObject* getObject() const;
bool setProperty(const std::string& name, const App::Property& p);
void execute(const AbstractCallable&);
void purgeTouched();
private:
void validate();
private:
App::DocumentObject* obj;
};
}
#endif // SANDBOX_DOCUMENTPROTECTOR_H
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