On Thu, Dec 17, 2009 at 7:32 AM, greekscala <hellectro...@gmail.com> wrote:
> Hello,
>
> I have a head element in my default template with a standard title
> element.
> When I define a head element in my snippet with a new title element,
> it is appended into the head section of my resulting html.
>
> Now there are two title element and the browser uses the first one.
> I thought the title element in my default template will be replaced
> with the one I defined in my snippet.
>
> Is there another way to achieve this?
>
The short answer is no. Lift's <head> support de-dups top-level tags in
<head> but does not overwrite a tag.
>
> with best regards
>
> On 16 Dez., 21:54, David Pollak <feeder.of.the.be...@gmail.com> wrote:
> > On Wed, Dec 16, 2009 at 11:55 AM, Ross Mellgren <dri...@gmail.com>
> wrote:
> > > I was diagnosing some incorrect HTML in our application using Lift,
> > > and I found a strange behavior of head merging (I assume) when you
> > > emit a <head> tag into a <head> tag from the snippet. The code speaks
> > > better than I do about this:
> >
> > > ...
> > > object Dialog extends DispatchSnippet {
> > > val standardDialogOptions: JsObj = JsObj(
> > > "autoOpen" -> false,
> > > "bgiframe" -> true,
> > > "modal" -> true,
> > > "resizable" -> false
> > > )
> >
> > > val dispatch: DispatchIt = {
> > > case "head" => renderHead
> > > case "render" => render
> > > }
> >
> > > def renderHead(ns: NodeSeq): NodeSeq =
> > > <head>{ Script { JsCrVar("pxStandardDialogOptions",
> > > Dialog.standardDialogOptions) } }</head>
> > > ...
> > > }
> >
> > > LiftRules.snippetDispatch.append {
> > > ...
> > > case "Dialog" => Dialog
> > > ...
> > > }
> >
> > > <lift:surround with="default" at="content">
> > > <head>
> > > <title>Email Editor</title>
> > > <lift:Dialog.head />
> > > </head>
> > > </lift:surround>
> >
> > > I agree I'm doing the wrong thing here -- the <lift:Dialog.head /> tag
> > > rightly should be outside of the head block, or the snippet should not
> > > emit <head>. However, the resulting behavior is funny (certainly more
> > > funny than I'd expect):
> >
> > > <html xmlns:lift="http://liftweb.net/"; xmlns="
> http://www.w3.org/1999/xhtml
> > > ">
> > > <head>
> > > ...
> > > <title>Email Editor</title>
> >
> > > <script type="text/javascript">
> > > // <![CDATA[
> > > var pxStandardDialogOptions = {"autoOpen": false, "bgiframe": true,
> > > "modal": true, "resizable": false};
> > > // ]]>
> > > </script>
> >
> > > <head><script type="text/javascript">
> > > // <![CDATA[
> > > var pxStandardDialogOptions = {"autoOpen": false, "bgiframe": true,
> > > "modal": true, "resizable": false};
> > > // ]]>
> > > </script></head>
> >
> > > </head>
> > > ...
> > > </html>
> >
> > > Ideally I'd like this to "just work" so that it doesn't matter
> > > precisely where the snippet is called, though it would be some special
> > > magic just to work around an erroneous case. But, the behavior that
> > > does happen seems odd, duplicating the markup inside the <head>?
> >
> > > Should I file a bug? Just smile and nod?
> >
> > If we had to recursively check all the <head> tags for <head> tags, that
> > would significantly increase the overhead of the rewrite phase. I would
> > suggest using the new Helpers.stripHead() call to remove <head> tags from
> > stuff you already know is in a <head> tag.
> >
> >
> >
> >
> >
> > > -Ross
> >
> > > --
> >
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> >
> > --
> > Lift, the simply functional web frameworkhttp://liftweb.net
> > Beginning Scalahttp://www.apress.com/book/view/1430219890
> > Follow me:http://twitter.com/dpp
> > Surf the harmonics
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--
Lift, the simply functional web framework http://liftweb.net
Beginning Scala http://www.apress.com/book/view/1430219890
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