/// <summary>
/// Render HTML pager element for specified search query.
/// </summary>
/// <param name="html">The html helper object.</param>
/// <param name="query">The search query object.</param>
/// <param name="htmlAttributes">The html attributes object for the output html element.</param>
/// <returns></returns>
public static HelperResult Pager(this HtmlHelper html, SearchQuery query, object htmlAttributes = null)
{
return new HelperResult(writer =>
{
var Url = new UrlHelper(html.ViewContext.RequestContext);
var website = html.ViewContext.RouteData.Values["website"].ToString();
var locale = html.ViewContext.RouteData.Values["locale"].ToString();
var _url = App.Get().Context.AppUrl + website + "/" + locale + "search/" + query.Source;
var maxPageCount = 10;
var curIndex = query.Index;
var startIndex = 1;
var endIndex = maxPageCount * startIndex;
var curPage = (int)Math.Ceiling((decimal)((decimal)curIndex / (decimal)maxPageCount));
if (curPage > 1)
startIndex = (curPage * maxPageCount) - maxPageCount + 1;
endIndex = startIndex + maxPageCount;
if (endIndex > query.TotalPages)
endIndex = query.TotalPages;
var _params = new List<string>();
var queryString = html.ViewContext.RequestContext.HttpContext.Request.QueryString;
if (queryString != null)
{
foreach (var key in queryString.AllKeys)
{
if (key.Equals("index", StringComparison.OrdinalIgnoreCase) || key.Equals("size", StringComparison.OrdinalIgnoreCase))
continue;
_params.Add(string.Format("{0}={1}", key, queryString[key]));
}
}
var isLast = curPage * maxPageCount >= query.TotalPages;
var isFirst = startIndex == 1;
var builder = new UriBuilder();
//if (startIndex == endIndex && startIndex == 1)
// return;
if (isLast)
endIndex++;
var pageElement = new XElement("div", new XAttribute("class", "d-pager"));
pageElement.AddHtmlAttributes(htmlAttributes);
if (!isFirst)
{
pageElement.Add(
new XElement("a",
new XAttribute("href", Url.BuildUrl(_url, _params)),
new XAttribute("title", "First"),
new XAttribute("class", "d-ui-widget d-button"),
new XElement("span", new XAttribute("class", "d-icon d-icon-first"))),
new XElement("a",
new XAttribute("href", _url + "?index=" + (curIndex - 1).ToString() + "&size=" + query.Size + (_params.Count > 0 ? ("&" + string.Join("&", _params.ToArray())) : "")),
new XAttribute("title", "Prev"),
new XElement("span", new XAttribute("class", "d-icon d-icon-prev")))
);
}
for (int i = startIndex; i < endIndex; i++)
{
var pagerItem = new XElement("a", i != curIndex ? i : curIndex);
if (i == curIndex)
pagerItem.Add(new XAttribute("class", "d-ui-widget d-button d-state-active"));
else
pagerItem.Add(new XAttribute("class", "d-ui-widget d-button"));
if (i != curIndex)
pagerItem.Add(new XAttribute("href", _url + "?index=" + i.ToString() + "&size=" + query.Size + (_params.Count > 0 ? ("&" + string.Join("&", _params.ToArray())) : "")));
pageElement.Add(pagerItem);
}
if (!isLast)
{
pageElement.Add(
new XElement("a",
new XAttribute("href", _url + "?index=" + (curIndex + 1).ToString() + "&size=" + query.Size + (_params.Count > 0 ? ("&" + string.Join("&", _params.ToArray())) : "")),
new XAttribute("title", "Next"),
new XAttribute("class", "d-ui-widget d-button"),
new XElement("span", new XAttribute("class", "d-icon d-icon-next"))),
new XElement("a",
new XAttribute("href", _url + "?index=" + (query.TotalPages).ToString() + "&size=" + query.Size + (_params.Count > 0 ? ("&" + string.Join("&", _params.ToArray())) : "")),
new XAttribute("title", "Last"),
new XAttribute("class", "d-ui-widget d-button"),
new XElement("span", new XAttribute("class", "d-icon d-icon-last")))
);
}
writer.Write(pageElement.OuterXml());
});
}
/// <summary>
/// Render HTML pager element for specified content query result.
/// </summary>
/// <param name="html">The html helper object.</param>
/// <param name="model"></param>
/// <param name="htmlAttributes">The html attributes object for the output html element.</param>
/// <returns></returns>
public static HelperResult Pager(this HtmlHelper html, ContentQueryResult model, object htmlAttributes = null)
{
return new HelperResult(writer =>
{
var Url = new UrlHelper(html.ViewContext.RequestContext);
if (model.View.AllowPaging)
{
var maxPageCount = 10;
var curIndex = model.Query.Index;
var startIndex = 1;
var endIndex = maxPageCount * startIndex;
var curPage = (int)Math.Ceiling((decimal)((decimal)curIndex / (decimal)maxPageCount));
if (curPage > 1)
startIndex = (curPage * maxPageCount) - maxPageCount + 1;
endIndex = startIndex + maxPageCount;
if (endIndex > model.Query.TotalPages)
endIndex = model.Query.TotalPages;
var _params = new List<string>();
var queryString = html.ViewContext.RequestContext.HttpContext.Request.QueryString;
if (queryString != null)
{
foreach (var key in queryString.AllKeys)
{
if (key.Equals("index", StringComparison.OrdinalIgnoreCase) || key.Equals("size", StringComparison.OrdinalIgnoreCase))
continue;
_params.Add(string.Format("{0}={1}", key, queryString[key]));
}
}
if (model.Query.TotalPages <=1)
return;
var isLast = curPage * maxPageCount >= model.Query.TotalPages;
var isFirst = startIndex == 1;
var builder = new UriBuilder();
if (isLast)
endIndex++;
var pageElement = new XElement("div", new XAttribute("data-role", "pager"),
new XAttribute("data-index", curIndex - 1));
pageElement.AddHtmlAttributes(htmlAttributes);
if (!isFirst)
{
pageElement.Add(
new XElement("a",
new XAttribute("href", Url.BuildUrl(model.View.Url, _params)),
new XAttribute("title", "Go to first page"),
new XAttribute("class", "d-ui-widget d-button"),
new XElement("span", new XAttribute("class", "d-icon d-icon-first"))),
new XElement("a",
new XAttribute("href", Url.Content(model.View.Url) + "?index=" + (curIndex - 1).ToString() + "&size=" + model.Query.Size + (_params.Count > 0 ? ("&" + string.Join("&", _params.ToArray())) : "")),
new XAttribute("title", "Go to prev page"),
new XAttribute("class", "d-ui-widget d-button"),
new XElement("span", new XAttribute("class", "d-icon d-icon-prev")))
);
}
for (int i = startIndex; i < endIndex; i++)
{
var pagerItem = new XElement("a", i != curIndex ? i : curIndex);
//if (i == curIndex)
// pagerItem.Add(new XAttribute("class", "d-ui-widget d-button d-state-active"));
//else
pagerItem.Add(new XAttribute("class", "d-ui-widget d-button"));
if (i != curIndex)
pagerItem.Add(new XAttribute("href", Url.Content(model.View.Url) + "?index=" + i.ToString() + "&size=" + model.Query.Size + (_params.Count > 0 ? ("&" + string.Join("&", _params.ToArray())) : "")));
pageElement.Add(pagerItem);
}
if (!isLast)
{
pageElement.Add(
new XElement("a",
new XAttribute("href", Url.Content(model.View.Url) + "?index=" + (curIndex + 1).ToString() + "&size=" + model.Query.Size + (_params.Count > 0 ? ("&" + string.Join("&", _params.ToArray())) : "")),
new XAttribute("title", "Go to next page"),
new XAttribute("class", "d-ui-widget d-button"),
new XElement("span", new XAttribute("class", "d-icon d-icon-next"))),
new XElement("a",
new XAttribute("href", Url.Content(model.View.Url) + "?index=" + (model.Query.TotalPages).ToString() + "&size=" + model.Query.Size + (_params.Count > 0 ? ("&" + string.Join("&", _params.ToArray())) : "")),
new XAttribute("title", "Go to last page"),
new XAttribute("class", "d-ui-widget d-button"),
new XElement("span", new XAttribute("class", "d-icon d-icon-last")))
);
}
writer.Write(pageElement.OuterXml());
}
});
}
