legendclasseditcommands.h

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#ifndef OPENSWMMVIS_MAP_LEGEND_CLASS_EDIT_COMMANDS_H
#define OPENSWMMVIS_MAP_LEGEND_CLASS_EDIT_COMMANDS_H
 
#include <QColor>
#include <QPointer>
#include <QString>
#include <QUndoCommand>
 
class OpenSWMMVisLayer;
 
namespace openswmmvis::map {
 
class SetRendererClassColorCommand : public QUndoCommand
{
public:
    SetRendererClassColorCommand(OpenSWMMVisLayer *layer,
                                 QString           classKey,
                                 QColor            newColor,
                                 QUndoCommand     *parent = nullptr);
 
    void undo() override;
    void redo() override;
 
    int  id() const override { return 0x4C4C4543; /* "LCEC" — legend class-edit colour */ }
    bool mergeWith(const QUndoCommand *other) override;
 
private:
    void applyColor(const QColor &c);
 
    QPointer<OpenSWMMVisLayer> m_layer;
    QString                    m_classKey;
    QColor                     m_oldColor;   // invalid = "no override before"
    QColor                     m_newColor;
    bool                       m_firstRedo = true;
};
 
class SetRendererClassSizeCommand : public QUndoCommand
{
public:
    SetRendererClassSizeCommand(OpenSWMMVisLayer *layer,
                                QString           classKey,
                                qreal             newSize,
                                QUndoCommand     *parent = nullptr);
 
    void undo() override;
    void redo() override;
 
    int  id() const override { return 0x4C434553; /* "LCES" — legend class-edit size */ }
    bool mergeWith(const QUndoCommand *other) override;
 
private:
    void applySize(qreal s);
 
    QPointer<OpenSWMMVisLayer> m_layer;
    QString                    m_classKey;
    qreal                      m_oldSize = -1.0;
    qreal                      m_newSize = -1.0;
};
 
} // namespace openswmmvis::map
 
#endif // OPENSWMMVIS_MAP_LEGEND_CLASS_EDIT_COMMANDS_H