/// <summary>
/// To the matrix.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="list">The list.</param>
/// <param name="keyFunc">The key function.</param>
/// <param name="keyCaseSensitive">if set to <c>true</c> [key case sensitive].</param>
/// <returns>MatrixList<T>.</returns>
public static MatrixList <T> ToMatrix <T>(this List <T> list, Func <T, string> keyFunc, bool keyCaseSensitive = true)
{
var result = new MatrixList <T>(keyCaseSensitive);
if (list != null && keyFunc != null)
{
foreach (var one in list)
{
result.Add(keyFunc(one), one);
}
}
return(result);
}
/// <summary>
/// To the matrix.
/// </summary>
/// <typeparam name="TEntity">The type of the entity.</typeparam>
/// <typeparam name="TKey">The type of the key.</typeparam>
/// <typeparam name="TValue">The type of the value.</typeparam>
/// <param name="list">The list.</param>
/// <param name="keyFunc">The key function.</param>
/// <param name="valueFunc">The value function.</param>
/// <param name="equalityComparer">The equality comparer.</param>
/// <returns></returns>
public static MatrixList <TKey, TValue> ToMatrix <TEntity, TKey, TValue>(this List <TEntity> list, Func <TEntity, TKey> keyFunc, Func <TEntity, TValue> valueFunc, IEqualityComparer <TKey> equalityComparer = null)
{
var result = new MatrixList <TKey, TValue>(equalityComparer);
if (list != null && keyFunc != null && valueFunc != null)
{
foreach (var one in list)
{
result.Add(keyFunc(one), valueFunc(one));
}
}
return(result);
}
/// <summary>
/// To the matrix list.
/// </summary>
/// <typeparam name="TKey">The type of the key.</typeparam>
/// <typeparam name="TSource">The type of the source.</typeparam>
/// <param name="source">The source.</param>
/// <param name="comparer">The comparer.</param>
/// <returns></returns>
public static MatrixList <TKey, TSource> ToMatrixList <TKey, TSource>(this IEnumerable <IGrouping <TKey, TSource> > source, IEqualityComparer <TKey> comparer = null)
{
MatrixList <TKey, TSource> result = new MatrixList <TKey, TSource>(comparer);
if (source.HasItem())
{
foreach (var item in source)
{
result.Add(item.Key, (item as IEnumerable <TSource>).ToList() ?? new List <TSource>());
}
}
return(result);
}
