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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) 2004-2006 *
* Umbrello UML Modeller Authors <uml-devel@uml.sf.net> *
***************************************************************************/
#ifndef LINKWIDGET_H
#define LINKWIDGET_H
#include <tqfont.h>
#include "umlnamespace.h"
// forward declarations
class UMLClassifier;
class UMLOperation;
class FloatingTextWidget;
class UMLView;
/**
* This is an interface realized by AssociationWidget and MessageWidget.
* The design of this interface was driven by the requirements of
* class FloatingTextWidget. As the architecture of Umbrello evolves (for
* example, if the class FloatingTextWidget is redesigned), it can be
* cleaned up.
*
* @short Interface to FloatingTextWidget for AssociationWidget and MessageWidget.
* @author Oliver Kellogg <okellogg@users.sourceforge.net>
* Bugs and comments to uml-devel@lists.sf.net or http://bugs.kde.org
*/
class LinkWidget {
public:
LinkWidget();
virtual ~LinkWidget();
/**
* Sets the font the widget is to use.
* Abstract operation implemented by inheriting classes.
* Motivated by FloatingTextWidget::slotMenuSelection(mt_Operation)
*
* @param font Font to be set.
*/
virtual void lwSetFont(TQFont font) = 0;
/**
* Motivated by FloatingTextWidget::slotMenuSelection(mt_Operation)
*/
virtual UMLClassifier *getOperationOwner();
/**
* Motivated by FloatingTextWidget::slotMenuSelection(mt_Operation)
*/
virtual UMLOperation *getOperation() = 0;
/**
* Motivated by FloatingTextWidget::slotMenuSelection(mt_Operation)
*/
virtual void setOperation(UMLOperation *op) = 0;
/**
* Motivated by getOperationText()
*/
virtual TQString getCustomOpText() = 0;
/**
* Motivated by FloatingTextWidget::slotMenuSelection(mt_Operation)
*/
virtual void setCustomOpText(const TQString &opText) = 0;
/**
* Uses getOperation() if set, else calls getCustomOpText().
*/
TQString getOperationText(UMLView *view = NULL);
/**
* Motivated by FloatingTextWidget::slotMenuSelection(mt_Reset_Label_Positions)
* Only applies to AssociationWidget.
*/
virtual void resetTextPositions();
/**
* Motivated by FloatingTextWidget::setMessageText()
*/
virtual void setMessageText(FloatingTextWidget *ft) = 0;
/**
* Motivated by FloatingTextWidget::handleRename()
*/
virtual void setText(FloatingTextWidget *ft, const TQString &newText) = 0;
/**
* Motivated by FloatingTextWidget::mouseDoubleClickEvent()
* Only applies to AssociationWidget.
*/
virtual bool showDialog();
/**
* Motivated by FloatingTextWidget::showOpDlg()
*/
virtual UMLClassifier *getSeqNumAndOp(TQString& seqNum, TQString& op) = 0;
/**
* Motivated by FloatingTextWidget::showOpDlg()
*/
virtual void setSeqNumAndOp(const TQString &seqNum, const TQString &op) = 0;
/**
* Abstract operation implemented by inheriting classes.
* Motivated by FloatingTextWidget::mouseMoveEvent()
*/
virtual void constrainTextPos(int &textX, int &textY,
int textWidth, int textHeight,
Uml::Text_Role tr) = 0;
/**
* Motivated by FloatingTextWidget::setLink().
* Only applies to AssociationWidget.
*/
virtual void calculateNameTextSegment();
};
#endif
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