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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) 2003-2007 *
* Umbrello UML Modeller Authors <uml-devel@uml.sf.net> *
***************************************************************************/
#ifndef ENTITY_H
#define ENTITY_H
#include "classifier.h"
class UMLEntityAttribute;
/**
* This class contains the non-graphical information required for a UML
* Entity.
* This class inherits from @ref UMLClassifier which contains most of the
* information.
*
* @short Non-graphical Information for an Entity.
* @author Jonathan Riddell
* Bugs and comments to uml-devel@lists.sf.net or http://bugs.kde.org
*/
class UMLEntity : public UMLClassifier {
Q_OBJECT
public:
/**
* Sets up an entity.
*
* @param name The name of the Entity.
* @param id The unique id of the Entity.
*/
explicit UMLEntity(const QString& name = "", Uml::IDType id = Uml::id_None);
/**
* Standard deconstructor.
*/
virtual ~UMLEntity();
/**
* Overloaded '==' operator.
*/
bool operator==(UMLEntity& rhs);
/**
* Copy the internal presentation of this object into the new
* object.
*/
virtual void copyInto(UMLEntity* rhs) const;
/**
* Make a clone of this object.
*/
virtual UMLObject* clone() const;
/**
* Creates an entity attribute for the parent concept.
* Reimplementation of method from UMLClassifier.
*
* @param name An optional name, used by when creating through UMLListView
* @param type An optional type, used by when creating through UMLListView
* @return The UMLEntityAttribute created
*/
UMLAttribute* createAttribute(const QString &name = QString::null,
UMLObject *type = 0);
/**
* Adds an entityAttribute to the entity.
*
* @param name The name of the entityAttribute.
* @param id The id of the entityAttribute (optional.)
* If omitted a new ID is assigned internally.
* @return Pointer to the UMLEntityAttribute created.
*/
UMLObject* addEntityAttribute(const QString &name, Uml::IDType id = Uml::id_None);
/**
* Adds an already created entityAttribute.
* The entityAttribute object must not belong to any other concept.
*
* @param att Pointer to the UMLEntityAttribute.
* @param Log Pointer to the IDChangeLog.
* @return True if the entityAttribute was successfully added.
*/
bool addEntityAttribute(UMLEntityAttribute* att, IDChangeLog* Log = 0);
/**
* Adds an entityAttribute to the entity, at the given position.
* If position is negative or too large, the entityAttribute is added
* to the end of the list.
*
* @param att Pointer to the UMLEntityAttribute.
* @param position Position index for the insertion.
* @return True if the entityAttribute was successfully added.
*/
//TODO: give default value -1 to position (append) - now it conflicts with the method above..
bool addEntityAttribute(UMLEntityAttribute* att, int position );
/**
* Removes an entityAttribute from the class.
*
* @param a The entityAttribute to remove.
* @return Count of the remaining entityAttributes after removal.
* Returns -1 if the given entityAttribute was not found.
*/
int removeEntityAttribute(UMLClassifierListItem* a);
/**
* Emit the entityAttributeRemoved signal.
*/
void signalEntityAttributeRemoved(UMLClassifierListItem *eattr);
/**
* Returns the number of entityAttributes for the class.
*
* @return The number of entityAttributes for the class.
*/
int entityAttributes() ;
/**
* Resolve the types referenced by our UMLEntityAttributes.
* Reimplements the method from UMLClassifier.
*/
virtual bool resolveRef();
/**
* Creates the <UML:Entity> element including its entityliterals.
*/
virtual void saveToXMI(QDomDocument& qDoc, QDomElement& qElement);
signals:
void entityAttributeAdded(UMLClassifierListItem*);
void entityAttributeRemoved(UMLClassifierListItem*);
protected:
/**
* Loads the <UML:Entity> element including its entityAttributes.
*/
bool load(QDomElement& element);
private:
/**
* Initializes key variables of the class.
*/
void init();
};
#endif // ENTITY_H
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