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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) 2002-2006 *
* Umbrello UML Modeller Authors <uml-devel@uml.sf.net> *
***************************************************************************/
#ifndef ACTIVITYWIDGET_H
#define ACTIVITYWIDGET_H
#include "umlwidget.h"
#include "worktoolbar.h"
#define ACTIVITY_MARGIN 5
#define ACTIVITY_WIDTH 30
#define ACTIVITY_HEIGHT 10
/**
* This class is the graphical version of a UML Activity. A ActivityWidget is created
* by a @ref UMLView. An ActivityWidget belongs to only one @ref UMLView instance.
* When the @ref UMLView instance that this class belongs to, it will be automatically deleted.
*
* The ActivityWidget class inherits from the @ref UMLWidget class which adds most of the functionality
* to this class.
*
* @short A graphical version of a UML Activity.
* @author Paul Hensgen <phensgen@techie.com>
* Bugs and comments to uml-devel@lists.sf.net or http://bugs.trinitydesktop.org
*/
class ActivityWidget : public UMLWidget {
Q_OBJECT
public:
enum ActivityType
{
Initial = 0,
Normal,
End,
Branch
};
/**
* Creates a Activity widget.
*
* @param view The parent of the widget.
* @param activityType The type of activity.
* @param id The ID to assign (-1 will prompt a new ID.)
*/
explicit ActivityWidget( UMLView * view, ActivityType activityType = Normal, Uml::IDType id = Uml::id_None );
/**
* destructor
*/
virtual ~ActivityWidget();
/**
* Overrides the standard paint event.
*/
void draw(TQPainter & p, int offsetX, int offsetY);
/**
* Overrides Method from UMLWidget.
*/
void constrain(int& width, int& height);
/**
* Returns the type of activity.
*/
ActivityType getActivityType() const;
/**
* Sets the type of activity.
*/
void setActivityType( ActivityType activityType );
/**
* Show a properties dialog for an ActivityWidget.
*/
void showProperties();
/**
* Determines whether a toolbar button represents an Activity.
* CHECK: currently unused - can this be removed?
*
* @param tbb The toolbar button enum input value.
* @param resultType The ActivityType corresponding to tbb.
* This is only set if tbb is an Activity.
* @return True if tbb represents an Activity.
*/
static bool isActivity( WorkToolBar::ToolBar_Buttons tbb,
ActivityType& resultType );
/**
* Saves the widget to the "activitywidget" XMI element.
*/
void saveToXMI( TQDomDocument & qDoc, TQDomElement & qElement );
/**
* Loads the widget from the "activitywidget" XMI element.
*/
bool loadFromXMI( TQDomElement & qElement );
protected:
/**
* Overrides method from UMLWidget
*/
TQSize calculateSize();
/**
* Type of activity.
*/
ActivityType m_ActivityType;
public slots:
/**
* Captures any popup menu signals for menus it created.
*/
void slotMenuSelection(int sel);
};
#endif
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