Using output_form with multiple targets - what's the formula?

gaekwad · Today 14:27:35

I would like to use output_form with multiple forms, with bonus points for an efficient (or most efficient) route in.

In this case I have 7 misc forms (named plaintext_location_1of7 […] plaintext_location_7of7). If I chain >1 of them together with a single output_form scaffold and separate commas, it errors out:

<txp:output_form form="plaintext_location_1of7,plaintext_location_2of7" />

Tag error: <txp:output_form form="plaintext_location_1of7,plaintext_location_2of7" /> ->  Textpattern Notice: No form data found for: manifesto-v1.plaintext_location_1of7,plaintext_location_2of7. Issue detected while parsing form html_diagnostics on page default
textpattern/lib/txplib_misc.php:3619 trigger_error()
textpattern/lib/txplib_misc.php:3651 fetch_form()
textpattern/publish/taghandlers.php:446 parse_form()
output_form()
textpattern/vendors/Textpattern/Tag/Registry.php:140 call_user_func()
textpattern/lib/txplib_publish.php:540 Textpattern\Tag\Registry->process()
textpattern/lib/txplib_publish.php:429 processTags()
textpattern/lib/txplib_misc.php:2300 parse()
textpattern/lib/txplib_publish.php:528 splat()
textpattern/lib/txplib_publish.php:429 processTags()

Both forms exist as plaintext miscellaneous forms, they’re both callable individually, but chaining them with a comma doesn’t work. I can work around with one output_form per form, but I’m wondering if there’s another broadly sane way of approaching this.

Thank you.

Last edited by gaekwad (Today 14:39:37)

Bloke · Today 15:59:33

Hmm. I can’t recall if adding breakby="," might work. Not sure if output_form is wired that way, and I’m not near a machine I can easily test it on.

gaekwad · Today 16:17:49

Bloke wrote #341350:

Hmm. I can’t recall if adding breakby="," might work. Not sure if output_form is wired that way, and I’m not near a machine I can easily test it on.

Thanks, Bloke. I had tried that prior to my post, similar error to above:

Tag error: <txp:output_form breakby="," form="plaintext_location_1of7,plaintext_location_2of7,plaintext_location_3of7,plaintext_location_4of7,plaintext_location_5of7,plaintext_location_6of7,plaintext_location_7of7" /> ->  Textpattern Notice: No form data found for: manifesto-v1.plaintext_location_1of7,plaintext_location_2of7,plaintext_location_3of7,plaintext_location_4of7,plaintext_location_5of7,plaintext_location_6of7,plaintext_location_7of7. Issue detected while parsing form textpattern_html_main on page default

I’ve bodged around it in the meantime with a sequence of output_form scaffolds, but if there’s a way to have fewer db queries I’m all ears.

jakob · Today 16:39:35

Oleg revealed here that you can use the pipe symbol to specify multiple forms, but it will only act on the first match.

Other alternatives, wrap it in rah_repeat or smd_each, or use Textpattern 4.9’s own ‘looper’ via a detour to txp:variable:

<txp:variable name="form_loop" output value="form_one, form_two, form_three, form_four, form_five, form_six, form_seven" breakby="," breakform="form_loop_item" />

and a ‘misc’-type breakform:

<txp:output_form form='<txp:yield item />' />

There’s currently a test of that on dev-demo.textpattern.co/dev/ until the next refresh in 20 minutes or so.

etc · Today 16:40:05

As weird as it looks, comma is accepted in form names, so using it as separator in form attribute is risky. We do one exception, though:

<txp:output_form form yield="plaintext_location_1of7,...,plaintext_location_7of7" />

will retrieve and store in cache all forms at once, but you’d still need to output them individually.

jakob · Today 16:50:07

etc wrote #341353:

We do one exception, though … will retrieve and store in cache all forms at once, but you’d still need to output them individually.

Hehe, I was just about to post that. You’d mentioned it here a while ago, and in this recent GitHub issue, where Bloke also posted a potential php snippet for looping over prefetched forms.

gaekwad · Today 17:07:16

Thank you, jakob & etc – much appreciated!

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