propertylist.h

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/***************************************************************************
 *   Copyright (C) 2004 by Alexander Dymo                                  *
 *   cloudtemple@mskat.net                                                 *
 *                                                                         *
 *   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.,                                       *
 *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.             *
 ***************************************************************************/
#ifndef PROPERTYLIST_H
#define PROPERTYLIST_H
 
#include <tqobject.h>
#include <tqmap.h>
#include <tqptrlist.h>
#include <tqvaluelist.h>
#include <tqpair.h>
 
namespace PropertyLib{
 
class Property;
class MultiProperty;
 
class PropertyList: public TQObject
{
    TQ_OBJECT
  
 
public:
    class Iterator {
    public:
        void operator ++();
        void operator ++(int);
        
        MultiProperty *operator *();
        
        bool operator != (Iterator it);
        
        TQString key();
        MultiProperty *data();
        
    private:
        Iterator(PropertyList *list);
        Iterator(PropertyList *list, bool end);
        
        void next();
        TQMap<TQString, MultiProperty*>::iterator current;
        
        PropertyList *m_list;
        friend class PropertyList;
    };
    
    typedef Iterator iterator;
    
    PropertyList();
    virtual ~PropertyList();
 
    virtual MultiProperty *operator[](const TQString &name);
    MultiProperty *property( const TQString &name );
 
    virtual void addProperty(Property *property);
    virtual void addProperty(const TQString &group, Property *property);
    virtual void removeProperty(Property *property);
    virtual void removeProperty(const TQString &name);
    
    virtual const TQValueList<TQPair<TQString, TQValueList<TQString> > >& propertiesOfGroup() const;
    virtual const TQMap<MultiProperty*, TQString>& groupOfProperty() const;
    
    virtual void clear();
    virtual bool contains(const TQString &name);
    
    TQPtrList<Property> properties(const TQString &name);
    
    Iterator begin();
    Iterator end();
 
signals:
    void propertyValueChanged(Property* property);
    void aboutToDeleteProperty(Property* property);
    
protected:
    PropertyList(bool propertyOwner);
 
    void addToGroup(const TQString &group, MultiProperty *property);
    void removeFromGroup(MultiProperty *property);
        
private:
    //sorted list of properties in form name: property
    TQMap<TQString, MultiProperty*> m_list;
    
    //groups of properties:
    // list of group name: (list of property names)
    TQValueList<TQPair<TQString, TQValueList<TQString> > > m_propertiesOfGroup;
    // map of property: group
    TQMap<MultiProperty*, TQString> m_groupOfProperty;
 
    //indicates that this list will delete properties after removeProperty()
    //and also in destructor
    bool m_propertyOwner;
    
friend class MultiProperty;
friend class PropertyBuffer;
friend class Iterator;
};
 
 
class PropertyBuffer: public PropertyList{
    TQ_OBJECT
  
public:
    PropertyBuffer(PropertyList *list);
    PropertyBuffer();
 
    virtual void intersect(const PropertyList *list);
 
protected slots:
    void intersectedValueChanged(Property *property);
    
};
 
}
 
#endif