The problem isn't with the component themselves, it is one step before that,
we can't _get_ the component.
On Thu, Sep 25, 2008 at 3:19 PM, Jan Limpens <[EMAIL PROTECTED]> wrote:
>
> I was suspecting something like that.
>
> While you are right, that the context by default should not be in the
> template (because it is a different context), there are two things, to
> consider
>
> - not being able to use components is the worse smell. do components
> always need a context (should they fail without one)? In the example I
> passed the component makes no obvious use of the context, at least.
>
> - often I want to use UrlHelper (and my derivations from it) in mail
> views. I currently handle this by my patched BooViewEngine, that
> passes this in at the beginning. I cannot access my patch right now,
> but I guess if I can access UrlHelper in the view, there must be a
> context somewhere, too.
>
> - probably it would be the best, if I could simply pass a context to
> the mail view, if I want to make use of it, and have it plain as a
> default.
>
> You told me at another occasion that I could pass the UrlHelper as a
> parameter. In the IDictionary passed in RenderMessage()? If it was
> RenderMessage(viewName, layoutName, new Dictionary{{"Url", new
> UrlHelper(context)}}), there could be a RenderMessage(viewName,
> layoutName, context, new Dictionary{{"Url", new UrlHelper(context)}})
> as an overload and have full functionality if needed.
>
> Don't know if this would be doable, though.
>
> Jan
>
> On Thu, Sep 25, 2008 at 7:33 AM, Ayende Rahien <[EMAIL PROTECTED]> wrote:
> > Okay, this is most certainly a bug, but it is not a trivial one.
> > The underlying problem is that to render a view component, you have to
> use
> > the engine context, because you need access to the IViewComponentFactory.
> > This is not passed to the view engine during construction of the view for
> > the mail message.
> > In particular, we have this two overloads:
> >
> > ///<summary>
> > /// Processes the view - using the templateName
> > /// to obtain the correct template
> > /// and writes the results to the System.TextWriter.
> > /// </summary>
> > void Process(string templateName, TextWriter output, IEngineContext
> context,
> > IController controller, IControllerContext controllerContext);
> >
> > /// <summary>
> > /// Processes the view - using the templateName
> > /// to obtain the correct template
> > /// and writes the results to the System.TextWriter.
> > /// </summary>
> > void Process(string templateName, string layoutName, TextWriter output,
> > IDictionary<string,object> parameters);
> >
> > The first is used for normal views, the second for mail messages.
> > Since the second one doesn't have a context, the view can't figure out
> the
> > view component factory and fails.
> >
> > Now, for the actual resolution. It would require the email template
> server
> > to know about the engine context, and I am not sure if this is something
> > that is desirable.
> > thoughts?
> >
> >
> > On Wed, Sep 24, 2008 at 6:20 AM, Jan Limpens <[EMAIL PROTECTED]>
> wrote:
> >>
> >> Hi Ayende,
> >>
> >> my test skills are quite mediocre, I did not find out how to create a
> >> unit test for this. (and could not inspire myself on the castle
> >> sourcecode from where I am now)
> >> However I did create a solution that does nothing else than reproduce
> >> the error in isolation. Maybe have a look at this :)
> >>
> >> --
> >> Jan
> >>
> >> On Tue, Sep 23, 2008 at 2:34 PM, Ayende Rahien <[EMAIL PROTECTED]>
> wrote:
> >> > Please create a test case that shows the issue.
> >> >
> >> > On Tue, Sep 23, 2008 at 6:25 PM, Jamie Fraser <[EMAIL PROTECTED]
> >
> >> > wrote:
> >> >>
> >> >> Is it possible to use a Component within a mail template? When I do
> so
> >> >> I get a NullRefException
> >> >>
> >> >> My mail/info.brail contains:
> >> >>
> >> >> <% component OrderConfirmation, [EMAIL PROTECTED]: order, @isWeb:
> >> >> isWeb} %>
> >> >>
> >> >> The error I get, when calling RenderMailMessage(view, layout,
> >> >> parameters); (with "Info", "Mail" and some parameters) is
> >> >>
> >> >> MonoRailException
> >> >>
> >> >> Message:
> >> >> Exception on process view: mail\Info
> >> >> Last accessed variable: isWeb
> >> >>
> >> >>
> >> >> StackTrace:
> >> >> at Castle.MonoRail.Views.Brail.BooViewEngine.HandleException(String
> >> >> templateName, BrailBase view, Exception e) in
> >> >>
> >> >>
> >> >>
> c:\data\castle\castle\trunk\MonoRail\Castle.MonoRail.Views.Brail\BooViewEngine.cs:line
> >> >> 289
> >> >> at Castle.MonoRail.Views.Brail.BooViewEngine.RenderView(String
> >> >> templateName, BrailBase view) in
> >> >>
> >> >>
> >> >>
> c:\data\castle\castle\trunk\MonoRail\Castle.MonoRail.Views.Brail\BooViewEngine.cs:line
> >> >> 165
> >> >> at Castle.MonoRail.Views.Brail.BooViewEngine.Process(String
> >> >> templateName, TextWriter output, IEngineContext context, IController
> >> >> controller, IControllerContext controllerContext) in
> >> >>
> >> >>
> >> >>
> c:\data\castle\castle\trunk\MonoRail\Castle.MonoRail.Views.Brail\BooViewEngine.cs:line
> >> >> 146
> >> >> at Castle.MonoRail.Views.Brail.BooViewEngine.Process(String
> >> >> templateName, String layoutName, TextWriter output, IDictionary`2
> >> >> parameters) in
> >> >>
> >> >>
> c:\data\castle\castle\trunk\MonoRail\Castle.MonoRail.Views.Brail\BooViewEngine.cs:line
> >> >> 197
> >> >> at
> >> >>
> >> >>
> Castle.MonoRail.Framework.Services.DefaultViewEngineManager.Process(String
> >> >> templateName, String layoutName, TextWriter output, IDictionary`2
> >> >> parameters) in
> >> >>
> >> >>
> c:\data\castle\castle\trunk\MonoRail\Castle.MonoRail.Framework\Services\DefaultViewEngineManager.cs:line
> >> >> 179
> >> >> at
> >> >>
> Castle.MonoRail.Framework.EmailTemplateService.RenderMailMessage(String
> >> >> templateName, String layoutName, IDictionary parameters) in
> >> >>
> >> >>
> >> >>
> c:\data\castle\castle\trunk\MonoRail\Castle.MonoRail.Framework\Services\EmailTemplateService.cs:line
> >> >> 140
> >> >> at Castle.MonoRail.Framework.Controller.RenderMailMessage(String
> >> >> templateName, String layoutName, IDictionary parameters) in
> >> >>
> >> >>
> >> >>
> c:\data\castle\castle\trunk\MonoRail\Castle.MonoRail.Framework\Controller.cs:line
> >> >> 1415
> >> >> at
> >> >>
> >> >>
> FestaExpress.Web.Site.MVC.Controllers.BaseController.RenderExtEmailMessage(String
> >> >> view, String layout, IDictionary parameters) in
> >> >>
> >> >>
> >> >>
> C:\CODE\fexdev\FestaExpress\branches\1.5\FestaExpress.Web.Site.MVC\Controllers\BaseController.cs:line
> >> >> 128
> >> >> at
> >> >> FestaExpress.Web.Site.MVC.Controllers.DebugController.SendOrderMail()
> >> >> in
> >> >>
> >> >>
> C:\CODE\fexdev\FestaExpress\branches\1.5\FestaExpress.Web.Site.MVC\Controllers\DebugController.cs:line
> >> >> 30
> >> >> at
> >> >>
> >> >>
> FestaExpress.Web.Site.MVC.Controllers.DebugController.ViewOrderInfo(Int32
> >> >> orderId) in
> >> >>
> >> >>
> C:\CODE\fexdev\FestaExpress\branches\1.5\FestaExpress.Web.Site.MVC\Controllers\DebugController.cs:line
> >> >> 72
> >> >>
> >> >>
> >> >>
> >> >> Inner exception:
> >> >>
> >> >> NullReferenceException
> >> >>
> >> >> Message:
> >> >> Object reference not set to an instance of an object.
> >> >>
> >> >>
> >> >> StackTrace:
> >> >> at BrailView_Info.Run()
> >> >> at Castle.MonoRail.Views.Brail.BooViewEngine.RenderView(String
> >> >> templateName, BrailBase view) in
> >> >>
> >> >>
> >> >>
> c:\data\castle\castle\trunk\MonoRail\Castle.MonoRail.Views.Brail\BooViewEngine.cs:line
> >> >> 161
> >> >>
> >> >>
> >> >>
> >> >> I have tried this even with a simple Component (one with no
> >> >> parameters) and get the same error.
> >> >>
> >> >> Any ideas?
> >> >>
> >> >> -Jamie
> >> >>
> >> >>
> >> >
> >> >
> >> > >
> >> >
> >>
> >>
> >>
> >> --
> >> Jan
> >> ___________________
> >> [EMAIL PROTECTED]
> >> www.limpens.com
> >> +55 (11) 3082-1087
> >> +55 (11) 3097-8339
> >>
> >>
> >
> >
> > >
> >
>
>
>
> --
> Jan
> ___________________
> [EMAIL PROTECTED]
> www.limpens.com
> +55 (11) 3082-1087
> +55 (11) 3097-8339
>
> >
>
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