/// <summary>
/// Renders the resource in the specified <see cref="IHtmlWriter" />.
/// </summary>
public override void Render(IHtmlWriter writer, IDotvvmRequestContext context)
{
if (CdnUrl != null)
{
writer.AddAttribute("src", CdnUrl);
writer.AddAttribute("type", "text/javascript");
writer.RenderBeginTag("script");
writer.RenderEndTag();
if (Url != null && GlobalObjectName != null)
{
writer.RenderBeginTag("script");
var url = context.TranslateVirtualPath(GetUrl());
writer.WriteUnencodedText(string.Format(CdnFallbackScript, GlobalObjectName, url));
writer.RenderEndTag();
}
}
else if (Url != null)
{
writer.AddAttribute("src", GetUrl());
writer.AddAttribute("type", "text/javascript");
writer.RenderBeginTag("script");
writer.RenderEndTag();
}
}
public static string EvaluateRouteUrl(string routeName, RouteLink control, IDotvvmRequestContext context)
{
var urlSuffix = GenerateUrlSuffixCore(control.GetValue(RouteLink.UrlSuffixProperty) as string, control);
var coreUrl = GenerateRouteUrlCore(routeName, control, context) + urlSuffix;
return(context.TranslateVirtualPath(coreUrl));
}
/// <summary>
/// Renders the resource in the specified <see cref="IHtmlWriter" />.
/// </summary>
public override void Render(IHtmlWriter writer, IDotvvmRequestContext context)
{
if (CdnUrl != null)
{
writer.AddAttribute("src", CdnUrl);
writer.AddAttribute("type", "text/javascript");
writer.RenderBeginTag("script");
writer.RenderEndTag();
if (Url != null && GlobalObjectName != null)
{
writer.RenderBeginTag("script");
var url = context.TranslateVirtualPath(GetUrl());
writer.WriteUnencodedText(string.Format(CdnFallbackScript, GlobalObjectName, url));
writer.RenderEndTag();
}
}
else if (Url != null)
{
writer.AddAttribute("src", GetUrl());
writer.AddAttribute("type", "text/javascript");
writer.RenderBeginTag("script");
writer.RenderEndTag();
}
}
public void RenderHtmlAttribute(IHtmlWriter writer, IDotvvmRequestContext requestContext, string attributeName, object attributeValue)
{
if (attributeValue != null)
{
attributeValue = requestContext.TranslateVirtualPath((string)attributeValue);
}
writer.WriteHtmlAttribute(attributeName, (string)attributeValue);
}
public static string GenerateKnockoutHrefExpression(string routeName, RouteLink control, IDotvvmRequestContext context)
{
var link = GenerateRouteLinkCore(routeName, control, context);
var urlSuffix = GetUrlSuffixExpression(control);
return($"'{context.TranslateVirtualPath("~/")}' + {link}{(urlSuffix == null ? "" : " + " + urlSuffix)}");
}
public static string BuildUrl(IDotvvmRequestContext context, string routeName, object routeParams = null, object queryStringParams = null, string urlSuffix = null, bool keepCurrentRouteParams = true)
{
var baseUrl = keepCurrentRouteParams
? context.Configuration.RouteTable[routeName].BuildUrl(context.Parameters, routeParams)
: context.Configuration.RouteTable[routeName].BuildUrl(routeParams);
var suffix = UrlHelper.BuildUrlSuffix(urlSuffix, queryStringParams);
return(context.TranslateVirtualPath(baseUrl + suffix));
}
public override void Render(IHtmlWriter writer, IDotvvmRequestContext context, string resourceName)
{
var resource = (ScriptResource)context.ResourceManager.FindResource(ResourceConstants.PolyfillBundleResourceName);
var resourceUrl = context.TranslateVirtualPath(
resource.Location.GetUrl(context, ResourceConstants.PolyfillBundleResourceName));
writer.AddAttribute("type", "text/javascript");
writer.RenderBeginTag("script");
writer.WriteUnencodedText($"dotvvm__polyfillUrl = '{resourceUrl}';");
writer.RenderEndTag();
}
private static async Task <string> GetRemoteResource(UrlResourceLocation resource, IDotvvmRequestContext context)
{
using (var web = new WebClient())
{
string address = context.TranslateVirtualPath(resource.Url);
if (!Uri.TryCreate(address, UriKind.Absolute, out var result))
{
var baseUrl = new Uri(context.HttpContext.Request.Url.GetLeftPart(UriPartial.Authority));
address = context.TranslateVirtualPath($"~/{resource.Url}");
result = new Uri(baseUrl, address);
}
;
using (Stream stream = web.OpenRead(result))
using (var reader = new StreamReader(stream ?? throw new ArgumentException($"Unable to load resource at {resource}")))
{
var readToEnd = reader.ReadToEnd();
return(await Task.FromResult(readToEnd));
}
}
}
public static string EvaluateRouteUrl(string routeName, HtmlGenericControl control, DotvvmProperty urlSuffixProperty, IDotvvmRequestContext context)
{
var coreUrl = GenerateRouteUrlCore(routeName, control, context) + (control.GetValue(urlSuffixProperty) as string ?? "");
if ((bool)control.GetValue(Internal.IsSpaPageProperty))
{
return "#!/" + coreUrl;
}
else
{
return context.TranslateVirtualPath(coreUrl);
}
}
public static string EvaluateRouteUrl(string routeName, HtmlGenericControl control, DotvvmProperty urlSuffixProperty, IDotvvmRequestContext context)
{
var coreUrl = GenerateRouteUrlCore(routeName, control, context) + (control.GetValue(urlSuffixProperty) as string ?? "");
if ((bool)control.GetValue(Internal.IsSpaPageProperty))
{
return("#!/" + coreUrl);
}
else
{
return(context.TranslateVirtualPath(coreUrl));
}
}
public static string EvaluateRouteUrl(string routeName, RouteLink control, IDotvvmRequestContext context)
{
var urlSuffix = GenerateUrlSuffixCore(control.GetValue(RouteLink.UrlSuffixProperty) as string, control);
var coreUrl = GenerateRouteUrlCore(routeName, control, context) + urlSuffix;
if ((bool)control.GetValue(Internal.IsSpaPageProperty) && !(bool)control.GetValue(Internal.UseHistoryApiSpaNavigationProperty))
{
return("#!/" + (coreUrl.StartsWith("~/", StringComparison.Ordinal) ? coreUrl.Substring(2) : coreUrl));
}
else
{
return(context.TranslateVirtualPath(coreUrl));
}
}
public static string EvaluateRouteUrl(string routeName, RouteLink control, IDotvvmRequestContext context)
{
var urlSuffix = GenerateUrlSuffixCore(control.GetValue(RouteLink.UrlSuffixProperty) as string, control);
var coreUrl = GenerateRouteUrlCore(routeName, control, context) + urlSuffix;
if ((bool)control.GetValue(Internal.IsSpaPageProperty))
{
return("#!/" + coreUrl);
}
else
{
return(context.TranslateVirtualPath(coreUrl));
}
}
public static string GenerateKnockoutHrefExpression(string routeName, HtmlGenericControl control, DotvvmProperty urlSuffixProperty, IDotvvmRequestContext context)
{
var link = GenerateRouteLinkCore(routeName, control, context);
var urlSuffix = GetUrlSuffixExpression(control, urlSuffixProperty);
if ((bool)control.GetValue(Internal.IsSpaPageProperty))
{
return $"'#!/' + {link} + {urlSuffix}";
}
else
{
return $"'{context.TranslateVirtualPath("~/")}' + {link} + {urlSuffix}";
}
}
public static string GenerateKnockoutHrefExpression(string routeName, HtmlGenericControl control, DotvvmProperty urlSuffixProperty, IDotvvmRequestContext context)
{
var link = GenerateRouteLinkCore(routeName, control, context);
var urlSuffix = GetUrlSuffixExpression(control, urlSuffixProperty);
if ((bool)control.GetValue(Internal.IsSpaPageProperty))
{
return($"'#!/' + {link} + {urlSuffix}");
}
else
{
return($"'{context.TranslateVirtualPath("~/")}' + {link} + {urlSuffix}");
}
}
/// <summary>
/// Redirects the client to the specified file.
/// </summary>
public static void ReturnFile(this IDotvvmRequestContext context, Stream stream, string fileName, string mimeType, IEnumerable <KeyValuePair <string, string> > additionalHeaders = null)
{
var returnedFileStorage = context.Services.GetService <IReturnedFileStorage>();
var metadata = new ReturnedFileMetadata()
{
FileName = fileName,
MimeType = mimeType,
AdditionalHeaders = additionalHeaders?.GroupBy(k => k.Key, k => k.Value)?.ToDictionary(k => k.Key, k => k.ToArray())
};
var generatedFileId = returnedFileStorage.StoreFile(stream, metadata).Result;
context.SetRedirectResponse(context.TranslateVirtualPath("~/dotvvmReturnedFile?id=" + generatedFileId));
throw new DotvvmInterruptRequestExecutionException(InterruptReason.ReturnFile, fileName);
}
public static string GenerateKnockoutHrefExpression(string routeName, RouteLink control, IDotvvmRequestContext context)
{
var link = GenerateRouteLinkCore(routeName, control, context);
var urlSuffix = GetUrlSuffixExpression(control);
if ((bool)control.GetValue(Internal.IsSpaPageProperty) && !context.Configuration.UseHistoryApiSpaNavigation)
{
return($"'#!/' + {link}{(urlSuffix == null ? "" : " + " + urlSuffix)}");
}
else
{
return($"'{context.TranslateVirtualPath("~/")}' + {link}{(urlSuffix == null ? "" : " + " + urlSuffix)}");
}
}
/// <summary>
/// Redirects the client to the specified file.
/// </summary>
public static void ReturnFile(this IDotvvmRequestContext context, Stream stream, string fileName, string mimeType, IEnumerable <KeyValuePair <string, string> > additionalHeaders = null)
{
var returnedFileStorage = context.Services.GetService <IReturnedFileStorage>();
if (returnedFileStorage == null)
{
throw new DotvvmFileStorageMissingException($"Unable to resolve service for type '{typeof(IReturnedFileStorage).Name}'. " +
$"Visit https://www.dotvvm.com/docs/tutorials/advanced-returning-files for more details!");
}
var metadata = new ReturnedFileMetadata()
{
FileName = fileName,
MimeType = mimeType,
AdditionalHeaders = additionalHeaders?.GroupBy(k => k.Key, k => k.Value)?.ToDictionary(k => k.Key, k => k.ToArray())
};
var generatedFileId = returnedFileStorage.StoreFile(stream, metadata).Result;
context.SetRedirectResponse(context.TranslateVirtualPath("~/dotvvmReturnedFile?id=" + generatedFileId));
throw new DotvvmInterruptRequestExecutionException(InterruptReason.ReturnFile, fileName);
}
/// <summary>
/// Returns the redirect response and interrupts the execution of current request.
/// </summary>
public static void RedirectToUrl(this IDotvvmRequestContext context, string url, bool replaceInHistory = false, bool allowSpaRedirect = false)
{
context.SetRedirectResponse(context.TranslateVirtualPath(url), (int)HttpStatusCode.Redirect, replaceInHistory, allowSpaRedirect);
throw new DotvvmInterruptRequestExecutionException(InterruptReason.Redirect, url);
}
public string GetUrl(IDotvvmRequestContext context, string name)
{
return(context.TranslateVirtualPath(Url));
}
public void RenderHtmlAttribute(IHtmlWriter writer, IDotvvmRequestContext requestContext, string attributeName, object attributeValue)
{
if (attributeValue != null)
attributeValue = requestContext.TranslateVirtualPath((string)attributeValue);
writer.WriteHtmlAttribute(attributeName, (string)attributeValue);
}