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?
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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> --
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