(r4) TWikiPlugins < TWiki

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---++ TWiki Plugins

Plugins allow you to extend the syntax or functionality of TWiki. ...

TWikiPreferences has the list of installed plugins and activated plugins.

---+++ How to Create a Plugin

under construction... ( check back at http://TWiki.org/cgi-bin/view/TWiki/TWikiPlugins )

---+++ How to Install a Plugin

under construction... ( check back at http://TWiki.org/cgi-bin/view/TWiki/TWikiPlugins )

---+++ Plugins under the hood

   * All plugin modules that exist in the =lib/TWiki/Plugins= directory are activated automatically unless disabled by the =DISABLEDPLUGINS= preferences variable in TWikiPreferences. You can optionally list the installed plugins in the =INSTALLEDPLUGINS= preferences variable. This is useful to define the sequence of plugin execution, or to specify other webs then the %WIKITOOLNAME% web for the plugin topics. Settings in TWiki.TWikiPreferences:
      * =Set INSTALLEDPLUGINS = <nop>DefaultPlugin, ...= 
      * =Set DISABLEDPLUGINS = <nop>EmptyPlugin, ...=

   * The =%<nop>ACTIVATEDPLUGINS%= variable shows all currently activated plugins. This variable is shown in TWiki.TWikiPreferences for debug reasons.

   * Search order for plugin topics: Full =web.topicname= name is used if specified in =INSTALLEDPLUGINS=, then the %TWIKIWEB% web is searched, then the current web.

   * Plugin specific settings are done in individual plugin topics. Two settings are standard for each plugin:
      * One line description, used to form the bullets describing the plugins in the TWiki.TextFormattingRules topic:
         * =Set SHORTDESCRIPTION = Blah blah.=
      * Debug plugin, output can be seen in =data/debug.txt=: (Se to 0 or 1)
         * =Set DEBUG = 0=
      * The settings can be retrieved as preferences variables like =%&lt;pluginname&gt;_&lt;var&gt;%=, i.e. =%<nop>DEFAULTPLUGIN_SHORTDESCRIPTION%= shows the description of the <nop>DefaultPlugin.

   * The =%<nop>PLUGINDESCRIPTIONS%= variable shows a bullet list with descriptions of all currently activated plugins. This variable is based on =%&lt;plugin&gt;_SHORTDESCRIPTION%= preferences variables of individual topics and is shown in TWiki.TextFormattingRules.

-- Main.PeterThoeny - 14 Jul 2001 <br>

Versão do tópico: r4 - 14 Jul 2001 - PeterThoeny

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