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+/***************************************************************************
+ * Copyright (C) 2004 by Alexander Dymo *
+ * *
+ * This program 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 program 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 General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU Library General Public *
+ * License along with this program; if not, write to the *
+ * Free Software Foundation, Inc., *
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ ***************************************************************************/
+#ifndef PROPERTYMACHINEFACTORY_H
+#define PROPERTYMACHINEFACTORY_H
+
+#include <qmap.h>
+
+#include "propertywidget.h"
+
+class QWidget;
+
+namespace PropertyLib{
+
+class Property;
+class MultiProperty;
+class ChildProperty;
+
+/** @file propertymachinefactory.h
+@short Contains @ref PropertyLib::PropertyMachineFactory class and @ref PropertyLib::Machine structure.
+*/
+
+/**
+@short Machine for a property type.
+
+Contains a pointer to a property viewer,
+property editor and a list of detailed property
+editors and viewers.
+*/
+struct Machine{
+ Machine()
+ {
+ }
+ Machine(PropertyWidget *widget)
+ {
+ propertyEditor = widget;
+ }
+ ~Machine()
+ {
+ delete propertyEditor;
+ }
+
+ /**Property viewer and editor widget.*/
+ PropertyWidget *propertyEditor;
+};
+
+/**A pointer to factory function which creates and returns machine for a property.*/
+typedef Machine *(*createMachine)();
+
+/**
+@short Factory to create property editors and property viewers.
+*/
+class PropertyMachineFactory{
+public:
+ /**Registers property editor factory function for a type.
+ This factory functions are considered before defaults
+ when @ref machineForProperty is called.*/
+ void registerEditor(int type, createMachine creator);
+
+ /**Creates and returns the editor for given property type.
+ Warning: editor and viewer widgets won't have parent widget. %Property editor
+ cares about reparenting and deletion of returned widgets in machines.*/
+ Machine *machineForProperty(MultiProperty *property);
+ bool hasDetailedEditors(int type);
+
+ /**@return a pointer to a property machine factory instance.*/
+ static PropertyMachineFactory *getInstance();
+
+ static PropertyMachineFactory *m_factory;
+
+private:
+ PropertyMachineFactory();
+ virtual ~PropertyMachineFactory();
+
+ //registered machines for property types
+ QMap<QString, createMachine > m_registeredForType;
+};
+
+}
+
+#endif