Hi Yakov
Thanks for the feedback. I'm keen to add syntax for some higher level
constructs like sliders, and have been thinking along similar lines. I
would like to throw in some related open questions that might be useful to
explore.
First, a bit of background. In TW5, sliders and several other interactive
features are composed from two simpler widgets working together: the
'button' widget can change the value of a tiddler in response to a click,
and the 'reveal' widget shows or hides a block of text depending on whether
a tiddler has a given value.
Here's an example of a raw slider in TW5:
<$button popup="StateTiddler">Open</$button>
<$reveal type="nomatch" state="StateTiddler" text="">
This is the text that will be hid or shown
</$reveal>
If you paste that into a tiddler, open the tiddler called "StateTiddler"
and then click the "open" button, you'll see the value of the tiddler
change.
Obviously, the syntax above is a bit clumsy for everyday use. The primary
alternative is to define and use a macro that encapsulates the slider
functionality. For example:
\define slider(caption,state,text)
<$button popup="$state$">$caption$</$button>
<$reveal type="nomatch" state="$state$" text="">
$text$
</$reveal>
\end
<<slider "Open" "StateTiddler" "This is the text that will be hid or
shown">>
So, what you're suggesting is essentially to devise a wikitext syntax that
can be parsed and rendered as that <$button>/<$reveal> combination. Along
the same lines, I'm interested in wikitext syntax for tabs, which are
actually implemented as a set of interleaved sliders. I've been considering
something like this:
__|Title|__
Some content to go in this tab
__|Title2|__
More content
____(statetiddler)
The end of the tab control
('statetiddler' denotes the tiddler that contains the state of the tab
control -- the information that was stored in a cookie in TWClassic)
Now, I'm wondering if the syntax for sliders and tabs could be or should be
in any sort of harmony?
Because sliders can be represented as macros so neatly, I'm wondering about
providing a special type of parser rule that basically maps a regexp to a
macro invocation.
One could imagine such a rule being encoded like this:
regexp:
\+\+\+\(([a-zA-Z0-9-_]+)\)\[([a-zA-Z0-9-_]+)\]\n([a-zA-Z0-9-_]+)\n===
macro: slider
params: state caption text
In practice, the regexp would need to be more complicated than that, but
you get the idea. Hopefully a lot easier than authoring a full blown JS
module.
What do you think?
Best wishes
Jeremy
On Tue, Jul 2, 2013 at 9:19 PM, Yakov <[email protected]>wrote:
> Hello all, hi Jeremy,
>
> I've got a small proposal for TiddlyWiki 5. Sorry, I haven't dug much,
> only took a look at TW5 at the main site [1] to make sure what I propose is
> not the case.
>
> In TiddlyWiki classic, sliders have somewhat bulky syntax, especially when
> a slider opens something in the same tiddler. But we also have
> NestedSlidersPlugin from Eric [2], which simplifies this much. My proposal
> is to support partially NestedSlidersPlugin's syntax in TW5:
>
> +++(cookie)[label]
> content
> ===
>
> This would:
> * be simple and clean
> * ease a bit migration of content from TW classic to TW5
> * may be ease implementation of NestedSlidersPlugin in TW5
>
> Best regards,
> Yakov
>
> [1] http://five.tiddlywiki.com/
> [2] http://tiddlytools.com/#NestedSlidersPlugin
>
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Jeremy Ruston
mailto:[email protected]
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