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PageTextVariables-Talk

Other information:

  • Pm's post about documents use of the directive and mentions customization of the markup.
  • Pm's post responding to a request for a in response to a request for documentation.
  • Pm's post the release of 2.2.0 beta 2 and providing examples.
  • Pm's post for 2.2.0
  • Lots of older posts with references to "PData" including an some extensive threads with lots of brainstorming about markup including, specifically, the WikiPaths? thread started by Martin. (wikipath recipe finally released?)

Usage notes

Lists can be separated with leading spaces (a la Site.Blocklist? or Site.InterMap?)

Example:
 Sea: Tasman
  Ocean:  Southern

->"{$:Sea}"
->"{$:Ocean}"
 Sea: Tasman
  Ocean:  Southern
"Tasman"
" Southern"

Lists can have leading or trailing spaces around the page variable name

Example:
Insect : Weta
:Bird  : Kiwi
: Tree: Kauri
:  Flower : Kowhai

"{$:Insect}"
"{$:Bird}"
"{$:Tree}"
"{$:Flower}"

Insect : Weta

Bird
Kiwi
Tree
Kauri
Flower
Kowhai

"Weta" "Kiwi" "Kauri" "Kowhai"

What you can't do

Mismatch case in the page variable name

Example:
river: Whanganui
Range: Southern Alps

->[-(lowercase)-] "{$:river}"
->[-(uppercase)-] "{$:River}"
->[-(lowercase)-] "{$:range}"
->[-(uppercase)-] "{$:Range}"

river: Whanganui Range: Southern Alps

(lowercase) "Whanganui"
(uppercase) ""
(lowercase) ""
(uppercase) "Southern Alps"

Have embedded (you really didn't expect that did you) spaces in the page variable name

Example:
:Big bird:Moa

"{$:Big bird}" "{$:Bigbird}" 
Big bird
Moa

"{$:Big bird}" ""

Note that leading and trailing spaces in the page variable text are retained

Example:
:Island:       Rakiura
:Volcano:               Ngauruhoe       
                           
:Caldera:Rotorua                        
                

"{$:Island}"
"{$:Volcano}"
"{$:Caldera}"
Island
Rakiura
Volcano
Ngauruhoe
Caldera
Rotorua

" Rakiura" " Ngauruhoe " "Rotorua "

Use natural page names, ie normal page name preprocessing does not occur

Example:
-<[[PmWiki.Page text variables]]
"{PmWiki.Page text variables$:Summary}"
-<[[PmWiki.PageTextVariables]]
"{PmWiki.PageTextVariables$:Summary}"
PmWiki.Page text variables "{PmWiki.Page text variables$:Summary}"
PmWiki.PageTextVariables "Page variables automatically made available through natural or explicit page markup"

Use with conditional markup

Example
(:if name {$FullName}:)
LinkUrl: http://dilbert.com
(:else:)
LinkUrl: [[Cookbook:Quotes]]
(:ifend:)

"{$:LinkUrl}" [-{$FullName}-]

LinkUrl: http://dilbert.com

"Cookbook:Quotes" PmWiki.PageTextVariables-Talk

See more examples at Test.Ptv?

Questions

How can I get the page text variable to be evaluated only when it is declared, rather than each time it is used? For example I want to do the following, where the link refers back to the page with the included text

(:Abstract:{Programme.Abstracts$RandomSection}:)
(:include {$:Abstract} lines=4:)
->[[{$:Abstract} | more ...]]
:Quote:{Cookbook.Quotes$RandomSection}
{$:Quote}
{$:Quote}
{$:Quote}
Quote

Is there a way to overwrite Page text variables, for including the same Template twice? E.g.:

(:parameter:value1:)
(:include TemplateThatUsesParameter:)
(:parameter:value2:)
(:include TemplateThatUsesParameter:)

See Include with PTV?, IncludeWithPTV2?

It is possible to enable PTV definition in bulleted lists by entering this line in config.php

  $PageTextVarPatterns['* var:'] = '/^(\\**\\s*(\\w[-\\w]*)\\s*:[ \\t]?)(.*)($)/m';

Thanks to EemeliAro? (from the Mailing list).

Is it possible to use complex searches for PTV through pagelist?

For example using regexp like this: (pagelist $MyVar="<regexp match pattern>")? Maybe a cookbook recipe can be provided for this? Also is there a possibility to achieve complex pagelist searches based on PTV-match conditions? For example to search for all pages where PTV1=<xxx> | PTV2!=<yyy>, or some other boolean expression... I wonder if this is something that can be cookbooked?

Is there any possibillity to include PageTextVariables in some other MarkUp? Something like that:

(:div id={{=$Name}$:project}}_small :)


This is a talk page for improving PmWiki.PageTextVariables.

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Редакция от 22.02.2009 01:37