add MaskItemCatalog

GUI/Model/MakeItem/MaskItemCatalog.cpp

+//  ************************************************************************************************
+//
+//  BornAgain: simulate and fit reflection and scattering
+//
+//! @file      GUI/Model/MakeItem/MaskItemCatalog.cpp
+//! @brief     Implements class MaskItemCatalog
+//!
+//! @homepage  http://www.bornagainproject.org
+//! @license   GNU General Public License v3 or higher (see COPYING)
+//! @copyright Forschungszentrum Jülich GmbH 2022
+//! @authors   Scientific Computing Group at MLZ (see CITATION, AUTHORS)
+//
+//  ************************************************************************************************
+
+#include "GUI/Model/MakeItem/MaskItemCatalog.h"
+#include "Base/Util/Assert.h"
+#include "GUI/Model/Item/MaskItems.h"
+
+MaskItem* MaskItemCatalog::create(Type type)
+{
+    switch (type) {
+    case Type::RegionOfInterest:
+        return new RegionOfInterestItem();
+    case Type::Rectangle:
+        return new RectangleItem();
+    case Type::Polygon:
+        return new PolygonItem();
+    case Type::VerticalLine:
+        return new VerticalLineItem();
+    case Type::HorizontalLine:
+        return new HorizontalLineItem();
+    case Type::MaskAll:
+        return new MaskAllItem();
+    }
+    ASSERT(false);
+}
+
+QVector<MaskItemCatalog::Type> MaskItemCatalog::types()
+{
+    return {Type::RegionOfInterest, Type::Rectangle,      Type::Polygon,
+            Type::VerticalLine,     Type::HorizontalLine, Type::MaskAll};
+}
+
+MaskItemCatalog::Type MaskItemCatalog::type(const MaskItem* item)
+{
+    if (dynamic_cast<const RegionOfInterestItem*>(item)) // has to be before test for Rectangle!
+        return Type::RegionOfInterest;
+    if (dynamic_cast<const RectangleItem*>(item))
+        return Type::Rectangle;
+    if (dynamic_cast<const PolygonItem*>(item))
+        return Type::Polygon;
+    if (dynamic_cast<const VerticalLineItem*>(item))
+        return Type::VerticalLine;
+    if (dynamic_cast<const HorizontalLineItem*>(item))
+        return Type::HorizontalLine;
+    if (dynamic_cast<const MaskAllItem*>(item))
+        return Type::MaskAll;
+
+    ASSERT(false);
+}

GUI/Model/MakeItem/MaskItemCatalog.h

+//  ************************************************************************************************
+//
+//  BornAgain: simulate and fit reflection and scattering
+//
+//! @file      GUI/Model/MakeItem/MaskItemCatalog.h
+//! @brief     Defines class MaskItemCatalog
+//!
+//! @homepage  http://www.bornagainproject.org
+//! @license   GNU General Public License v3 or higher (see COPYING)
+//! @copyright Forschungszentrum Jülich GmbH 2022
+//! @authors   Scientific Computing Group at MLZ (see CITATION, AUTHORS)
+//
+//  ************************************************************************************************
+
+#ifndef BORNAGAIN_GUI_MODEL_MAKEITEM_MASKITEMCATALOG_H
+#define BORNAGAIN_GUI_MODEL_MAKEITEM_MASKITEMCATALOG_H
+
+#include <QString>
+#include <QVector>
+
+class MaskItem;
+
+class MaskItemCatalog {
+public:
+    using CatalogedType = MaskItem;
+
+    // Do not change the numbering! It is serialized!
+    enum class Type : uint8_t {
+        RegionOfInterest = 0,
+        Rectangle = 1,
+        Polygon = 2,
+        VerticalLine = 3,
+        HorizontalLine = 4,
+        MaskAll = 5
+    };
+
+    //! Creates the item of the given type.
+    static MaskItem* create(Type type);
+
+    //! Available types of items.
+    static QVector<Type> types();
+
+    //! Returns the enum type of the given item.
+    static Type type(const MaskItem* item);
+};
+
+#endif // BORNAGAIN_GUI_MODEL_MAKEITEM_MASKITEMCATALOG_H