/// <summary>
/// Renders page link.
/// </summary>
/// <param name="htmlHelper">This is an HtmlHelper extension method.</param>
/// <param name="pageLinkViewModel">Contains all of the information required to render a page link.</param>
/// <returns>MvcHtmlString containing page link.</returns>
public static IHtmlContent PageLink(this IHtmlHelper htmlHelper, PageLinkViewModel pageLink)
{
// If page ID not specified, then render link to the current page (this might be the case on a special administration page, where PageId is not set)
if (pageLink.Page.PageId == 0)
{
string pathAndQuery = string.Format("{0}{1}", htmlHelper.ViewContext.HttpContext.Request.Path, htmlHelper.ViewContext.HttpContext.Request.QueryString);
string pageLinkHtml = string.Format("<a href=\"{0}\">{1}</a>", pathAndQuery, htmlHelper.Encode(pageLink.LinkText));
return(new HtmlString(pageLinkHtml));
}
// Otherwise, render link to page specified
if (pageLink.Page.ParentPageId == null)
{
return(htmlHelper.RouteLink(pageLink.LinkText, "HomePage", pageLink.RouteValues, pageLink.HtmlAttributes));
}
else
{
IWebHelperService webHelperService = (IWebHelperService)htmlHelper.ViewContext.HttpContext.RequestServices.GetService(typeof(IWebHelperService));
RouteValueDictionary routeValueDictionary = pageLink.RouteValues == null ? new RouteValueDictionary() : new RouteValueDictionary(pageLink.RouteValues);
RouteValueDictionary htmlAttributesDictionary = pageLink.HtmlAttributes == null ? new RouteValueDictionary() : new RouteValueDictionary(pageLink.HtmlAttributes);
routeValueDictionary.Add("pageid", pageLink.Page.PageId);
routeValueDictionary.Add("description", webHelperService.UrlFriendly(pageLink.Description));
return(htmlHelper.RouteLink(pageLink.LinkText, "ReadPage", routeValueDictionary, (IDictionary <string, object>)htmlAttributesDictionary));
}
}
/// <summary>
/// Renders a page URL with route values.
/// </summary>
/// <param name="urlHelper">This is a UrlHelper extension method.</param>
/// <param name="page">The page whose link is rendered.</param>
/// <param name="description">SEO text that is displayed just before query string.</param>
/// <param name="routeValues">Route values that should be added to the link.</param>
/// <returns>String containing page URL.</returns>
public static string PageUrl(this IUrlHelper urlHelper, Page page, string description, object routeValues)
{
IWebHelperService webHelperService = (IWebHelperService)urlHelper.ActionContext.HttpContext.RequestServices.GetService(typeof(IWebHelperService));
RouteValueDictionary routeValueDictionary = routeValues == null ? new RouteValueDictionary() : new RouteValueDictionary(routeValues);
routeValueDictionary.Add("pageid", page.PageId);
routeValueDictionary.Add("description", webHelperService.UrlFriendly(description));
return(urlHelper.RouteUrl("ReadPage", routeValueDictionary));
}
/// <summary>
/// Makes keyword substitutions on layout text.
/// </summary>
/// <param name="page">Page information.</param>
/// <param name="text">Text.</param>
/// <returns>Text with keywords replaced with dynamic content.</returns>
private string FormatLayoutHtml(Page page, string text)
{
if (page.PreviewImageUploadId.HasValue && text != null && text.Contains("class=\"jumbotron-outer\""))
{
string url = _webHelperService.RouteUrl("ReadPageImage", new { pageid = page.PageId, format = "preview", description = _webHelperService.UrlFriendly(page.Name), t = page.PreviewImageUploadId });
string replaceText = string.Format("class=\"jumbotron-outer\" style=\"background-image: url({0});\"", url);
text = text.Replace("class=\"jumbotron-outer\"", replaceText);
}
return(text);
}
public static string UrlFriendly(this IUrlHelper urlHelper, string text)
{
IWebHelperService webHelperService = (IWebHelperService)urlHelper.ActionContext.HttpContext.RequestServices.GetService(typeof(IWebHelperService));
return(webHelperService.UrlFriendly(text));
}
