/// <summary>
/// Converts the specified <paramref name="source"/> to a paged data sequence initialized with <paramref name="settings"/>.
/// </summary>
/// <typeparam name="T">The type of the elements of <paramref name="source"/>.</typeparam>
/// <param name="source">The source of the sequence to make pageable.</param>
/// <param name="settings">The settings that specifies the conditions of the converted <paramref name="source"/>.</param>
/// <param name="totalElementCount">The total number of elements in the <paramref name="source"/> sequence.</param>
/// <returns>An instance of <see cref="PagedCollection{T}"/> initialized with <paramref name="settings"/>.</returns>
public static PagedCollection <T> ToPagedCollection <T>(this IEnumerable <T> source, PagedSettings settings, int totalElementCount)
{
return(new PagedCollection <T>(source, settings, totalElementCount));
}
/// <summary>
/// Converts the specified <paramref name="source"/> to a paged data sequence initialized with <paramref name="settings"/>.
/// </summary>
/// <typeparam name="T">The type of the elements of <paramref name="source"/>.</typeparam>
/// <param name="source">The source of the sequence to make pageable.</param>
/// <param name="settings">The settings that specifies the conditions of the converted <paramref name="source"/>.</param>
/// <returns>An instance of <see cref="PagedCollection{T}"/> initialized with <paramref name="settings"/>.</returns>
public static PagedCollection <T> ToPagedCollection <T>(this IEnumerable <T> source, PagedSettings settings)
{
return(new PagedCollection <T>(source, settings));
}
/// <summary>
/// Retrieves all the elements in <paramref name="source"/> that match the conditions defined by the specified function delegate <paramref name="match"/>.
/// </summary>
/// <param name="source">The sequence to search and apply paging on.</param>
/// <param name="match">The function delegate that defines the conditions of the elements to search for.</param>
/// <param name="settings">The settings that specifies the conditions of the <paramref name="match"/> before applying paging to this instance.</param>
/// <param name="comparison">One of the enumeration values that specifies the rules to use in the comparison.</param>
/// <returns>A <see cref="PagedCollection{T}"/> that is the result of <paramref name="match"/>.</returns>
public static PagedCollection <T> Search <T>(IEnumerable <T> source, Func <T, PagedSettings, StringComparison, bool> match, PagedSettings settings, StringComparison comparison)
{
Validator.ThrowIfNull(source, nameof(source));
Validator.ThrowIfNull(match, nameof(match));
Validator.ThrowIfNull(settings, nameof(settings));
PagedCollection <T> pagedSource = source as PagedCollection <T>;
return(new PagedCollection <T>(new List <T>(EnumerableUtility.FindAll(pagedSource == null ? source : pagedSource.OriginalSource, match, settings, comparison)), settings));
}
/// <summary>
/// Sort all the elements in <paramref name="source"/> by the <paramref name="settings"/> applied to the specified function delegate <paramref name="sorter"/>.
/// </summary>
/// <param name="source">The sequence to sort and apply paging on.</param>
/// <param name="sorter">The function delegate that defines how the sorting is applied to the elements in <paramref name="source"/>.</param>
/// <param name="settings">The settings that specifies the conditions of the <paramref name="sorter"/> before applying paging to this instance.</param>
/// <returns>A <see cref="PagedCollection{T}"/> that is sorted by the specified <paramref name="sorter"/>.</returns>
public static PagedCollection <T> Sort <T>(IEnumerable <T> source, Func <IEnumerable <T>, PagedSettings, IEnumerable <T> > sorter, PagedSettings settings)
{
Validator.ThrowIfNull(source, nameof(source));
Validator.ThrowIfNull(sorter, nameof(sorter));
Validator.ThrowIfNull(settings, nameof(settings));
PagedCollection <T> pagedSource = source as PagedCollection <T>;
return(new PagedCollection <T>(sorter(pagedSource == null ? source : pagedSource.OriginalSource, settings), settings));
}
/// <summary>
/// Retrieves all the elements in <paramref name="source"/> that match the conditions defined by the specified function delegate <paramref name="match"/>.
/// </summary>
/// <param name="source">The sequence to search and apply paging on.</param>
/// <param name="match">The function delegate that defines the conditions of the elements to search for.</param>
/// <param name="settings">The settings that specifies the conditions of the <paramref name="match"/> before applying paging to this instance.</param>
/// <returns>A <see cref="PagedCollection{T}"/> that is the result of <paramref name="match"/>.</returns>
/// <remarks>This search is performed by using a default value of <see cref="StringComparison.OrdinalIgnoreCase"/>.</remarks>
public static PagedCollection <T> Search <T>(IEnumerable <T> source, Func <T, PagedSettings, StringComparison, bool> match, PagedSettings settings)
{
return(Search(source, match, settings, StringComparison.OrdinalIgnoreCase));
}
