Monday, September 28, 2009, 5:43:30 AM, Simon wrote
Is there a way I can test and only do this if the page is bein
saved (rather than browsed, previewed, etc
Simon, it is hard to tell what you are trying to achieve with you
recipe. Therefor it is hard to tell if it would be better to use pag
variables or page text variables, for instance
Much of the answers here have been fairly unspecific, and may not b
too helpful for what you really trying to accomplish
For instance your question above: I have to guess what you mean
Just on what you say, I am tempted to answer
If a user edits a page, she can add a PTV, or modify a PTV, when sh
edits the page content
If you want to restrict editing to adding or modifying a PT
in the page content, you could use a recipe lik
http://www.pmwiki.org/wiki/Cookbook/PTVReplace
or follow its approach in your own recipe, or follow Peter's approac
and use toolbox.php
To give you some overview on a specific mechanism, the PTVReplace work
consists this
There is a markup defined for creating a (:ptvreplace ..:) link
which can take some parameters. On rendering the markup causes
function to run, which produces valid HTML output for the link
including the parameters as part of the url the link targets
So when a user browses the page, she can see the link, but nothin
else is happening. Clicking the link will cause pmwiki to run, and
custom action="" in the url will instruct pmwiki.php to ru
a custom function,w hich will do the main work, in this cae opens th
page, looks for the PTV, modifies it, saves the page and redirects t
view the changed page again
For action="" to work the recipe define
$HandleActions['ptvreplace'] = 'PTVReplace'
PTVReplace is the name of the custom function doing all the work
So we got a markup function creating link HTML, and a 'Handle Action
function to run when the custom action is evoked, whichmay be throug
clicking the custom link, or may be through other means (for
submissions, other ways of supplying the url with the parameters
cookie requests)
A custom action via an entry to $HandleActions is one main way t
hook a recipe into PmWiki. It may also be useful for calling custom tes
functions. You won't need special custom link markup, but instea
you can create a standard link for instance lik
[[{$FullName}?action="" do something]
so you got a link to click which will run your custom function vi
action="" The function then can pick up the parameters in th
link url via the $_GET variable
Hope this helps, sorry if I gone into too much detail which you ma
know anyway
Hans
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