using System;

using System.Runtime.Serialization;

using System.Collections;

using System.Collections.Generic;

// codehint: sm-add (new file)

namespace SmartStore.Core

{

/// <summary>

/// A collection of objects that has been split into pages.

/// </summary>

public interface IPageable : IEnumerable

{

/// <summary>

/// The 0-based current page index

/// </summary>

[DataMember]

int PageIndex { get; set; }

/// <summary>

/// The number of items in each page.

/// </summary>

[DataMember]

int PageSize { get; set; }

/// <summary>

/// The total number of items.

/// </summary>

[DataMember]

int TotalCount { get; set; }

/// <summary>

/// The 1-based current page index

/// </summary>

[DataMember]

int PageNumber { get; set; }

/// <summary>

/// The total number of pages.

/// </summary>

[DataMember]

int TotalPages { get; }

/// <summary>

/// Whether there are pages before the current page.

/// </summary>

bool HasPreviousPage { get; }

/// <summary>

/// Whether there are pages after the current page.

/// </summary>

bool HasNextPage { get; }

/// <summary>

/// The 1-based index of the first item in the page.

/// </summary>

[DataMember]

int FirstItemIndex { get; }

/// <summary>

/// The 1-based index of the last item in the page.

/// </summary>

[DataMember]

int LastItemIndex { get; }

/// <summary>

/// Whether the page is the first page

/// </summary>

bool IsFirstPage { get; }

/// <summary>

/// Whether the page is the last page

/// </summary>

bool IsLastPage { get; }

}

/// <summary>

/// Paged list interface

/// </summary>

public interface IPagedList<T> : IPageable, IList<T>

{

// codehint: sm-delete (members of IPageable now)

}

}