QtCollider/QcObjectFactory.h

   1 /************************************************************************
   2 *
   3 * Copyright 2010 Jakob Leben (jakob.leben@gmail.com)
   4 *
   5 * This file is part of SuperCollider Qt GUI.
   6 *
   7 * This program is free software: you can redistribute it and/or modify
   8 * it under the terms of the GNU General Public License as published by
   9 * the Free Software Foundation, either version 3 of the License, or
  10 * (at your option) any later version.
  11 *
  12 * This program is distributed in the hope that it will be useful,
  13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 * GNU General Public License for more details.
  16 *
  17 * You should have received a copy of the GNU General Public License
  18 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 *
  20 ************************************************************************/
  21
  22 #ifndef QC_OBJECT_FACTORY_H
  23 #define QC_OBJECT_FACTORY_H
  24
  25 #include "QObjectProxy.h"
  26 #include "Common.h"
  27
  28 #include <PyrObject.h>
  29
  30 #include <QMetaObject>
  31 #include <QObject>
  32 #include <QWidget>
  33 #include <QHash>
  34
  35 class QcAbstractFactory;
  36
  37 typedef QHash<QString,QcAbstractFactory*> QcFactoryHash;
  38
  39 namespace QtCollider {
  40   QcFactoryHash & factories ();
  41 }
  42
  43 class QcAbstractFactory
  44 {
  45 public:
  46   QcAbstractFactory( const char *className ) {
  47     qcDebugMsg( 2, QString("Declaring class '%1'").arg(className) );
  48     QtCollider::factories().insert( className, this );
  49   }
  50   virtual const QMetaObject *metaObject() = 0;
  51   virtual QObjectProxy *newInstance( PyrObject *, QList<QVariant> & arguments ) = 0;
  52 };
  53
  54
  55 template <class QOBJECT> class QcObjectFactory : public QcAbstractFactory
  56 {
  57 public:
  58   QcObjectFactory() : QcAbstractFactory( QOBJECT::staticMetaObject.className() ) {}
  59
  60   const QMetaObject *metaObject() {
  61     return &QOBJECT::staticMetaObject;
  62   }
  63
  64   virtual QObjectProxy *newInstance( PyrObject *scObject, QList<QVariant> & arguments ) {
  65     QOBJECT *qobject = new QOBJECT();
  66     QObject *qo = qobject; // template parameter type-safety
  67
  68     QObjectProxy *proxy = new QObjectProxy ( qobject, scObject );
  69
  70     initialize( proxy, qobject, arguments );
  71
  72     return proxy;
  73   }
  74
  75 protected:
  76   virtual void initialize( QObjectProxy *, QOBJECT *, QList<QVariant> & arguments ) {};
  77 };
  78
  79
  80
  81 #endif //QC_OBJECT_FACTORY_H