Hi Eric,
Thanks at lot it works (not surprisingly)
There is a small typo: a confusion between double quotes - " - and single
quotes - '
The second '' on Erics is not a " (double quote)
<div macro='tiddler {{tiddler.title+" Nav"}}'></div>
They looks similar don't they
<div macro='tiddler {{tiddler.title+" Nav''}}'></div> - wrong 2 X '
<div macro='tiddler {{tiddler.title+" Nav"}}'></div> - right 1x "
Note: how difficult is is to type about quotes?
Thanks again!
ALex
2009/9/21 Eric Shulman <[email protected]>
>
> > <div content = 'tiddler [[{{tiddler.title}} +" Nav'']]'</div>
>
> The correct syntax for invoking this macro from a template is:
> <div macro='tiddler {{tiddler.title+" Nav''}}'></div>
>
> Breaking it apart a bit:
> <div macro='...'></div>
> is the template syntax for invoking a TW macro. Everything inside the
> quotes is handled exactly the same as when you embed a macro in an
> individual tiddler using TW syntax: a space-separated list of terms,
> where the first term is the macro name, and the remaining terms are
> the macro parameters
>
> In this case, it is the "tiddler" macro which, in normal TW content is
> written:
> <<tiddler TiddlerName>>
> and in templates, is written:
> <div macro='tiddler TiddlerName'></div>
>
> However, for your specific use-case, the macro's parameter has to be
> computed dynamically, in order to construct the desired 'Nav' tiddler
> title, relative to the tiddler in which the macro is being rendered.
> The syntax for a computed macro parameter (aka, an "eval param") is:
> <<macroName {{ ... javascript expression goes here ... }} etc>>
> where the entire {{...}} sequence is treated as a single term in the
> macro. Everything in between the {{ and }} is handed to your
> browser's javascript engine for evaluation, and the resulting value is
> then used as the value of that parameter, as if it had been typed in
> as literal text.
>
> Note: there are two 'context variables' that are automatically defined
> by the TW core's macro processor so that they are available for use
> within eval params: 'tiddler' is the TW 'store' object for the current
> tiddler being rendered in the story column, and 'place' is the DOM
> element into which the macro's output is to be rendered.
>
> Thus, in your case, the appropriate eval param would be:
> {{tiddler.title+" Nav''}}
>
> Hope this helps...
>
> enjoy,
> -e
> Eric Shulman
> TiddlyTools / ELS Design Studios
> >
>
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