istyleeditorwidget.h

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#ifndef OPENSWMMVIS_UI_DIALOGS_ISTYLEEDITORWIDGET_H
#define OPENSWMMVIS_UI_DIALOGS_ISTYLEEDITORWIDGET_H
 
#include <QWidget>
#include <QString>
 
#include <functional>
#include <memory>
 
namespace openswmmvis::ui {
 
class IStyleEditorWidget : public QWidget
{
    Q_OBJECT
public:
    using QWidget::QWidget;
    ~IStyleEditorWidget() override = default;
 
    virtual void refreshFromModel() = 0;
};
 
class StyleEditorRegistry
{
public:
    using Factory = std::function<IStyleEditorWidget *(QObject *propertyObject, QWidget *parent)>;
 
    static StyleEditorRegistry &instance();
 
    void registerFactory(const QString &className, Factory factory);
 
    [[nodiscard]] IStyleEditorWidget *createEditorFor(QObject *propertyObject,
                                                      QWidget *parent = nullptr) const;
 
private:
    StyleEditorRegistry() = default;
 
    struct Entry { QString className; Factory factory; };
    std::vector<Entry> m_entries;
};
 
class StyleEditorRegistrar
{
public:
    StyleEditorRegistrar(const QString &className,
                          StyleEditorRegistry::Factory factory)
    {
        StyleEditorRegistry::instance().registerFactory(className, std::move(factory));
    }
};
 
#define REGISTER_STYLE_EDITOR(CLASSNAME, FACTORY_BODY) \
    static const openswmmvis::ui::StyleEditorRegistrar \
        s_register_##CLASSNAME(QStringLiteral(#CLASSNAME), FACTORY_BODY);
 
} // namespace openswmmvis::ui
 
#endif // OPENSWMMVIS_UI_DIALOGS_ISTYLEEDITORWIDGET_H