floatingtextwidget.h

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/*
    SPDX-License-Identifier: GPL-2.0-or-later
    SPDX-FileCopyrightText: 2002-2021 Umbrello UML Modeller Authors <umbrello-devel@kde.org>
*/
 
#ifndef FLOATINGTEXTWIDGET_H
#define FLOATINGTEXTWIDGET_H
 
#include "basictypes.h"
#include "umlwidget.h"
 
class LinkWidget;
class UMLScene;
 
class FloatingTextWidget : public UMLWidget
{
    Q_OBJECT
public:
    explicit FloatingTextWidget(UMLScene * scene, Uml::TextRole::Enum role = Uml::TextRole::Floating,
                                const QString& text = QString(), Uml::ID::Type id = Uml::ID::None);
    virtual ~FloatingTextWidget();
 
    QString text() const;
    void setText(const QString &t);
 
    void setTextcmd(const QString &t);
 
    QString preText() const;
    void setPreText(const QString &t);
 
    QString postText() const;
    void setPostText(const QString &t);
 
    QString displayText() const;
 
    bool isEmpty();
 
    void showChangeTextDialog();
    bool showOperationDialog(bool enableAutoIncrement = true);
    virtual bool showPropertiesDialog();
 
    LinkWidget* link() const;
    void setLink(LinkWidget * l);
 
    bool activate(IDChangeLog* ChangeLog = 0);
 
    Uml::TextRole::Enum textRole() const;
    void setTextRole(Uml::TextRole::Enum role);
 
    bool handleRename();
    void changeName(const QString& newText);
 
    void setSequenceNumber(const QString &sequenceNumber);
    QString sequenceNumber() const;
 
    static bool isTextValid(const QString &text);
 
    UMLWidget* onWidget(const QPointF& p);
 
    virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
 
    virtual void saveToXMI(QXmlStreamWriter& writer);
    virtual bool loadFromXMI(QDomElement& qElement);
 
public Q_SLOTS:
    virtual void slotMenuSelection(QAction* action);
    void setMessageText();
 
protected:
    QSizeF minimumSize() const;
 
    virtual void moveWidgetBy(qreal diffX, qreal diffY);
    virtual void constrainMovementForAllWidgets(qreal &diffX, qreal &diffY);
 
private:
    QPointF constrainPosition(qreal diffX, qreal diffY);
 
    LinkWidget * m_linkWidget;
 
 
    QString m_preText;
    QString m_postText;
    Uml::TextRole::Enum m_textRole;
 
 
    qreal m_unconstrainedPositionX;
 
    qreal m_unconstrainedPositionY;
 
    int m_movementDirectionX;
 
    int m_movementDirectionY;
 
    QString m_SequenceNumber;
};
 
#endif