Ok, finally some level of success, I managed to make it work more or less
as intended using Jed Carty's random value plugin but with a slightly
modified workflow.
I imported the mentioned plugin but used it directly in the CSS tiddler
like this:
body.tc-body {background: url("media/backgrounds/background<$view field="
value"/>.jpg") no-repeat center center fixed;
background-size: cover; height: 100%;}
<$button>
<$action-randval $step=01 $field=value $lower=00 $upper=18/>
Change Background
</$button>
Only problem I found is number padding, could your plugin be modified to
account for number padding?
I mean generating numbers like 01 02 03 04 instead of 1 2 3 4?
It still only changes on button press, which is a shame, now if only there
was a method to call <$action-randval> on load...
Is this possible with 5.1.8, or by using any special tag?
On Thursday, 12 March 2015 19:34:23 UTC, Eric Shulman wrote:
>
> On Thursday, March 12, 2015 at 11:31:30 AM UTC-7, Jed Carty wrote:
>>
>> If you are going to use javascript there shouldn't be any trouble with
>> the current version. The only place you can put raw javascript is in the
>> head using $:/tags/RawMarkup, so just try making a tiddler with both
>> scripts and tag it with $:/tags/RawMarkup and see what happens.
>>
>
> In this particular use-case (i.e, setting the background image at load
> time), tagging *both* scripts with RawMarkup has a subtle twist:
> "document.body" *does not yet exist* when the <head> of the document is
> processed. While you can *define* the ChangeIt(...) function in the head,
> but you can't invoke it until document.body has actually been created. To
> work around this, while still using RawMarkup for both script pieces, you
> can invoke the ChangeIt() function from within an "event listener" that
> waits for the "load" event to complete... .like this:
>
> <script>
> window.addEventListener("load", ChangeIt, false);
> </script>
>
> enjoy,
> -e
> Eric Shulman
> TiddlyTools / ELS Design Studios
>
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