Brilliant! Always learning something new. Never heard about the $:/temp
thing before.
Thanks,
Matt
On Thursday, September 3, 2015 at 5:19:34 PM UTC-4, Eric Shulman wrote:
>
> On Thursday, September 3, 2015 at 12:52:02 PM UTC-7, Matthew Lauber wrote:
>>
>> Hey All, I've got a unusual request. I've created a list filter
>> 'shuffle' that randomizes the order of a list. Each time it's rendered the
>> list changes. Combining this with a 'first' I can get a random subset of
>> the list (think choosing 10 random character names). But unfortunately, I
>> haven't been able to come up with a fully satisfactory way to refresh the
>> list. Ideally, I'd like to be able to click a button and repaint the
>> tiddler, without it being treated as if the data changed (because it
>> hasn't) I've gotten a button working with the following code, but every
>> time it's clicked, the tiddlywiki thinks it needs to be saved. Can anyone
>> think of a better way to handle things?
>>
>> <$button>
>> <$action-sendmessage $message="tm-edit-tiddler" />
>> <$action-sendmessage $message="tm-cancel-tiddler" $param="Draft of
>> 'Names'" />
>> Refresh
>> </$button>
>>
>
> One way to force a refresh of some content is to make it dependent on a
> tiddler value by wrapping it inside a <$set>...</$set>, like this:
> <$set name="trigger" value={{$:/temp/trigger}}>
> *** your content here ***
> </$set>
>
> Then, write a button that changes the $:/temp/trigger value, like this:
> <$button>
> <$action-setfield $tiddler="$:/temp/trigger" $value=<<now "0hh:0mm:0ss">
> >/>
> refresh trigger
> </$button>
>
> By setting the trigger text to the current time, the value of the trigger
> changes each time you press the button. This, in turn, triggers the
> refresh of the dependent content. Note that, by using $:/temp/... to store
> the trigger, it will avoid marking the document as "dirty" (in need of
> saving).
>
> enjoy,
> -e
> Eric Shulman
> ELS Design Studios
> TiddlyTools - "Small Tools for Big Ideas!"
> InsideTiddlyWiki: The Missing Manuals
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