[CORRECTIVE] Add missing file

KactusAPI/include/ListHelper.h

@@ -0,0 +1,55 @@
+//-----------------------------------------------------------------------------
+// File: ListHelper.h
+//-----------------------------------------------------------------------------
+// Project: Kactus2
+// Author: Esko Pekkarinen
+// Date: 1.11.2023
+//
+// Description:
+// 
+//-----------------------------------------------------------------------------
+
+#ifndef LIST_HELPER_H 
+#define LIST_HELPER_H 
+
+#include <vector>
+#include <string>
+
+namespace ListHelper
+{
+    template <typename T>
+    std::vector<std::string> listNames(QSharedPointer<QList<QSharedPointer<T> > > container)
+    {
+        std::vector<std::string> names;
+        std::for_each(container->cbegin(), container->cend(), [&names](auto const& item)
+            {
+                names.push_back(item->name().toStdString());
+            });
+        return names;
+    }
+
+    template <typename T>
+    int itemIndex(std::string const& itemName, QSharedPointer<QList<QSharedPointer<T> > > container)
+    {
+        if (container == nullptr)
+        {
+            return -1;
+        }
+
+        const QString name = QString::fromStdString(itemName);
+
+        const auto pos = std::find_if(container->cbegin(), container->cend(), [&name](auto const& item)
+            {
+                return item->name().compare(name) == 0;
+            });
+
+        if (pos == container->cend())
+        {
+            return -1;
+        }
+
+        return std::distance(container->cbegin(), pos);
+    }
+};
+
+#endif // LIST_HELPER_H