Re: How to make an action generate html?

[Putting the mailinglist again on CC, I had dropped it in an earlier
reply]
On Wed, Feb 14, 2024 at 11:50:05AM -0500, John P. Rouillard wrote:
> 
> Ah, I'm sorry I left off one thing. The SVG is interactive. You can
> hover over the chart's bars or pie wedges and see additional
> info. Also you can click on the components and drill down into the
> data. For example if your index page is grouped by status, clicking on
> the opn status will bring up an index page that filters to issues that
> have open status.
> 
> See https://rouilj.dynamic-dns.net/demo/, scroll to the bottom of the
> table and click on "View Chart"/"Show Barchart" for an example.
> 
> An SVG in an img is static. I lose all the ability to interact with
> the SVG once it gets wrapped as an img 8-(. AFAIK, to get
> interactivity I need to have svg tags directly in the HTML document.
> 
> It might be possible to wrap the SVG in an object or iframe and retain
> interactivity but that is unknown at this point. I am hoping the
> students will come up with a suitable answer, but I am also looking
> into fallbacks.

Ah, yes, then you can define a method that is called inside a tag in a
template (e.g. tal:block) and return the whole SVG to insert at that
point.... I don't think you need an action in that case.

Kind regards
Ralf
-- 
Dr. Ralf Schlatterbeck                  Tel:   +43/2243/26465-16
Open Source Consulting                  www:   www.runtux.com
Reichergasse 131, A-3411 Weidling       email: [email protected]