public MvcHtmlString GalleryWithAloneImagesPaging()
{
var galleryCount = Math.Ceiling(_galleryService.Counter(_gallerySettings.ItemPerPage < 1 ? 1 : _gallerySettings.ItemPerPage));
var countWithoutGallery = Math.Ceiling(_galleryService.ImagesWithoutGalleryCounter(_gallerySettings.ItemPerPage < 1 ? 1 : _gallerySettings.ItemPerPage));
var count = galleryCount + countWithoutGallery - 1;
if (Request.Url == null)
{
throw new ArgumentNullException("request url is null");
}
var urlNow = Request.Url.ToString();
var posQueryString = urlNow.IndexOf('?');
if (posQueryString >= 0)
{
urlNow = urlNow.Remove(posQueryString);
}
var page = Request.QueryString["page"] != null?Convert.ToInt32(Request.QueryString["page"]) : 1;
if (count > 1)
{
var sb = new StringBuilder();
sb.Append(@"<div class=""pagination pagination-centered""><ul>");
if (page >= 4)
{
sb.Append(@"<li><a href=""");
sb.Append(String.Format("{0}?page={1}", urlNow, 1));
sb.Append(@""">");
sb.Append(_localizationService.GetResource("Plugin.Widgets.Gallery.Pager.First"));
sb.Append("</a></li>");
}
if (page != 1)
{
sb.Append(@"<li><a href=""");
sb.Append(String.Format("{0}?page={1}", urlNow, page - 1));
sb.Append(@""">");
sb.Append(_localizationService.GetResource("Plugin.Widgets.Gallery.Pager.Previous"));
sb.Append("</a></li>");
}
if (page < 4)
{
if (count < 5)
{
for (var i = 1; i <= count; i++)
{
sb.Append(@"<li><a href=""");
sb.Append(String.Format("{0}?page={1}", urlNow, i));
sb.Append(@""">");
sb.Append(i);
sb.Append("</a></li>");
}
}
else
{
for (var i = 1; i <= 5; i++)
{
sb.Append(@"<li><a href=""");
sb.Append(String.Format("{0}?page={1}", urlNow, i));
sb.Append(@""">");
sb.Append(i);
sb.Append("</a></li>");
}
}
}
if (page >= 4 && page + 2 < count)
{
for (var i = (page - 2); i <= (page + 2); i++)
{
sb.Append(@"<li><a href=""");
sb.Append(String.Format("{0}?page={1}", urlNow, i));
sb.Append(@""">");
sb.Append(i);
sb.Append("</a></li>");
}
}
if (page >= 4 && page + 2 >= count)
{
if (page == 4)
{
for (var i = 2; i <= count; i++)
{
sb.Append(@"<li><a href=""");
sb.Append(String.Format("{0}?page={1}", urlNow, i));
sb.Append(@""">");
sb.Append(i);
sb.Append("</a></li>");
}
}
else
{
for (var i = (count - 4); i <= count; i++)
{
sb.Append(@"<li><a href=""");
sb.Append(String.Format("{0}?page={1}", urlNow, i));
sb.Append(@""">");
sb.Append(i);
sb.Append("</a></li>");
}
}
}
if (page != count)
{
sb.Append(@"<li><a href=""");
sb.Append(String.Format("{0}?page={1}", urlNow, page + 1));
sb.Append(@""">");
sb.Append(_localizationService.GetResource("Plugin.Widgets.Gallery.Pager.Next"));
sb.Append("</a></li>");
}
if (page + 2 < count)
{
sb.Append(@"<li><a href=""");
sb.Append(String.Format("{0}?page={1}", urlNow, count));
sb.Append(@""">");
sb.Append(_localizationService.GetResource("Plugin.Widgets.Gallery.Pager.Last"));
sb.Append("</a></li>");
}
sb.Append("</ul></div>");
return(MvcHtmlString.Create(sb.ToString()));
}
return(null);
}