ListHelper.h

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//-----------------------------------------------------------------------------
// 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