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333 lines
8.0 KiB
333 lines
8.0 KiB
/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* copyright (C) 2002-2007 *
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* Umbrello UML Modeller Authors <uml-devel@uml.sf.net> *
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***************************************************************************/
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#ifndef OBJECTWIDGET_H
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#define OBJECTWIDGET_H
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#define O_MARGIN 5
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#define O_WIDTH 40
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#define A_WIDTH 20
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#define A_HEIGHT 40
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#define A_MARGIN 5
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#include "messagewidgetlist.h"
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#include "messagewidget.h"
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class SeqLineWidget;
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/**
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* Displays an instance UMLObject of a concept.
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*
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* @short Displays an instance of a Concept.
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* @author Paul Hensgen <phensgen@techie.com>
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* @see UMLWidget
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* Bugs and comments to uml-devel@lists.sf.net or http://bugs.trinitydesktop.org
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*/
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class ObjectWidget : public UMLWidget {
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TQ_OBJECT
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public:
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/**
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* Creates an ObjectWidget.
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*
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* @param view The parent to this object.
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* @param o The object it will be representing.
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* @param lid The local id for the object.
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*/
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ObjectWidget(UMLView * view, UMLObject *o, Uml::IDType lid = Uml::id_None );
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/**
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* destructor
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*/
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virtual ~ObjectWidget();
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/**
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* Sets the x-coordinate.
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* Reimplements the method from UMLWidget.
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*
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* @param x The x-coordinate to be set.
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*/
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virtual void setX( int x );
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/**
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* Sets the y-coordinate.
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* Reimplements the method from UMLWidget.
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*
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* @param y The y-coordinate to be set.
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*/
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virtual void setY( int y );
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/**
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* Returns the local ID for this object. This ID is used so that
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* many objects of the same @ref UMLObject instance can be on the
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* same diagram.
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*
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* @return The local ID.
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*/
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Uml::IDType getLocalID() const {
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return m_nLocalID;
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}
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/**
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* Returns the instance name.
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*
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* @return The instance name.
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*/
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TQString getInstanceName() const {
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return m_InstanceName;
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}
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/**
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* Sets the instance name.
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*
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* @param name The name to set the instance name to.
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*/
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void setInstanceName(const TQString &name) {
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m_InstanceName = name;
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}
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/**
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* Returns whether object is representing a multi-object.
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*
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* @return True if object is representing a multi-object.
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*/
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bool getMultipleInstance() const {
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return m_bMultipleInstance;
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}
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/**
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* Sets whether representing a multi-instance object.
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*
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* @param multiple Object state. true- multi, false - single.
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*/
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void setMultipleInstance(bool multiple);
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/**
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* Sets the local id of the object.
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*
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* @param id The local id of the object.
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*/
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void setLocalID(Uml::IDType id) {
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m_nLocalID = id;
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}
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/**
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* Activate the object after serializing it from a TQDataStream
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*/
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bool activate(IDChangeLog* ChangeLog = 0);
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/**
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* Override default method.
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*/
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void draw(TQPainter & p, int offsetX, int offsetY);
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/**
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* Overrides the standard operation.
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*/
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virtual void moveEvent(TQMoveEvent */*m*/);
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/**
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* Used to cleanup any other widget it may need to delete.
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*/
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void cleanup();
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/**
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* Show a properties dialog for an ObjectWidget.
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*/
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void showProperties();
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/**
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* Returns whether to draw as an Actor or not.
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*
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* @return True if widget is drawn as an actor.
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*/
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bool getDrawAsActor() const {
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return m_bDrawAsActor;
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}
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/**
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* Sets whether to draw as an Actor.
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*
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* @param drawAsActor True if widget shall be drawn as an actor.
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*/
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void setDrawAsActor( bool drawAsActor );
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/**
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* Sets whether to show deconstruction on sequence line.
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*
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* @param bShow True if destruction on line shall be shown.
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*/
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void setShowDestruction( bool bShow );
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/**
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* Returns whether to show deconstruction on sequence line.
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*
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* @return True if destruction on sequence line is shown.
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*/
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bool getShowDestruction() const {
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return m_bShowDestruction;
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}
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/**
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* Returns the top margin constant (Y axis value)
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*
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* @return Y coordinate of the space between the diagram top
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* and the upper edge of the ObjectWidget.
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*/
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int topMargin();
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/**
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* Returns the end Y co-ord of the seq. line.
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*
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* @return Y coordinate of the endpoint of the sequence line.
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*/
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int getEndLineY();
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/**
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* Add a message widget to the list.
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*
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* @param message Pointer to the MessageWidget to add.
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*/
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void messageAdded(MessageWidget* message);
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/**
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* Remove a message widget from the list.
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*
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* @param message Pointer to the MessageWidget to remove.
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*/
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void messageRemoved(MessageWidget* message);
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/**
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* Returns whether or not the widget can be moved vertically up.
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*
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* @return True if widget can be moved upwards vertically.
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*/
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bool canTabUp();
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/**
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* Returns whether a message is overlapping with another message.
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* Used by MessageWidget::draw() methods.
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*
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* @param y The top of your message.
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* @param messageWidget A pointer to your message so it doesn't
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* check against itself.
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*/
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bool messageOverlap(int y, MessageWidget* messageWidget);
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/**
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* Return the SeqLineWidget.
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* Returns a non NULL pointer if this ObjectWidget is part of a
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* sequence diagram.
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*/
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SeqLineWidget *getSeqLine();
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/**
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* Saves to the "objectwidget" XMI element.
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*/
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void saveToXMI( TQDomDocument & qDoc, TQDomElement & qElement );
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/**
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* Loads from a "objectwidget" XMI element.
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*/
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bool loadFromXMI( TQDomElement & qElement );
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public slots:
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/**
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* Handles a popup menu selection.
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*/
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void slotMenuSelection(int sel);
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/**
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* Handles a color change signal.
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*/
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virtual void slotColorChanged(Uml::IDType viewID);
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/**
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* Called when a message widget with an end on this object has
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* moved up or down.
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* Sets the bottom of the line to a nice position.
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*/
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void slotMessageMoved();
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protected:
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SeqLineWidget * m_pLine;
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/**
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* Overrides method from UMLWidget
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*/
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TQSize calculateSize();
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/**
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* Draw the object as an actor.
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*/
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void drawActor(TQPainter & p, int offsetX, int offsetY);
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/**
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* Draw the object as an object (default).
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*/
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void drawObject(TQPainter & p, int offsetX, int offsetY);
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/**
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* Move the object up on a sequence diagram.
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*/
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void tabUp();
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/**
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* Move the object down on a sequence diagram.
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*/
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void tabDown();
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// Data loaded/saved:
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/**
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* Instance name of object.
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*/
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TQString m_InstanceName;
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/**
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* Local ID used on views. Needed as a it can represent a class
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* that has many objects representing it.
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*/
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Uml::IDType m_nLocalID;
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/**
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* Determines whether to draw an object as a multiple object
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* instance.
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*/
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bool m_bMultipleInstance;
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/**
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* Determines whether the object should be drawn as an Actor or
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* an Object.
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*/
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bool m_bDrawAsActor;
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/**
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* Determines whether to show object destruction on sequence
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* diagram line.
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*/
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bool m_bShowDestruction;
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private:
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/**
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* Initializes the key attributes of the class.
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*/
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void init();
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/**
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* A list of the message widgets with an end on this widget.
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*/
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MessageWidgetList messageWidgetList;
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};
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#endif
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