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/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   copyright (C) 2003-2006                                               *
 *   Umbrello UML Modeller Authors <uml-devel@uml.sf.net>                  *
 ***************************************************************************/

#ifndef CLASSIFIERLISTITEM_H
#define CLASSIFIERLISTITEM_H

#include "umlobject.h"

// forward declaration
class UMLClassifier;

/**
 * Classifiers (classes, interfaces) have lists of operations,
 * attributes, templates and others.  This is a base class for
 * the items in this list.  This abstraction should remove
 * duplication of dialogs and allow for stereotypes in lists.
 *
 * @short A base class for classifier list items (e.g. attributes)
 * @author Jonathan Riddell
 * Bugs and comments to uml-devel@lists.sf.net or http://bugs.trinitydesktop.org
 */

class UMLClassifierListItem : public UMLObject {
    Q_OBJECT
  
public:
    /**
     * Constructor.  Empty.
     *
     * @param parent    The parent to this operation.
     *          At first sight it would appear that the type of the
     *          parent should be UMLClassifier. However, the class
     *          UMLAttribute is also used for the parameters of
     *          operations, and in this case the UMLOperation is the
     *          parent.
     * @param name              The name of the operation.
     * @param id                The id of the operation.
     */
    UMLClassifierListItem(const UMLObject *parent,
                          const TQString& name,
                          Uml::IDType id = Uml::id_None);

    /**
     * Constructor.  Empty.
     *
     * @param parent    The parent to this operation.
     *          At first sight it would appear that the type of the
     *          parent should be UMLClassifier. However, the class
     *          UMLAttribute is also used for the parameters of
     *          operations, and in this case the UMLOperation is the
     *          parent.
     */
    UMLClassifierListItem(const UMLObject *parent);

    /**
     * Destructor.  Empty.
     */
    virtual ~UMLClassifierListItem();

    /**
     * Returns the type of the UMLClassifierListItem.
     *
     * @return  The type of the UMLClassifierListItem.
     */
    UMLClassifier * getType() const;

    /**
     * Returns the type name of the UMLClassifierListItem.
     *
     * @return  The type name of the UMLClassifierListItem.
     */
    virtual TQString getTypeName() const;

    /**
     * Sets the type name of the UMLClassifierListItem.
     * DEPRECATED - use setType() instead.
     *
     * @param type      The type name of the UMLClassifierListItem.
     */
    void setTypeName( const TQString &type );

    /**
     * Sets the type of the UMLAttribute.
     *
     * @param type      Pointer to the UMLObject of the type.
     */
    virtual void setType(UMLObject *type);

    /**
     * Returns a string representation of the list item.
     *
     * @param sig               What type of operation string to show.
     * @return  The string representation of the operation.
     */
    virtual TQString toString(Uml::Signature_Type sig = Uml::st_NoSig);

    /**
     * Display the properties configuration dialog for the list item.
     *
     * @param parent    The parent widget.
     * @return  True for success of this operation.
     */
    virtual bool showPropertiesDialog(TQWidget* parent) = 0;

    /**
     * Copy the internal presentation of this object into the new
     * object.
     */
    virtual void copyInto(UMLClassifierListItem *rhs) const;

    /**
     * The abstract method UMLObject::clone() must be implemented
     * by the classes inheriting from UMLClassifierListItem.
     */
    virtual UMLObject* clone() const = 0;

};

#endif