HistoryPlugin

This plugin shows a complete or partial history of a document. The output can arbitrarily be formatted. An example for a Wikimedia-like history is included.

Syntax Rules

• %HISTORY%
• %HISTORY{parameters}
  Supported parameters:
  

  Parameter	Description	Default
  "format" or format="format"	Format of one line, may include any variable which is supported by %REVINFO%	"r1.$rev - $date - $wikiusername"
  topic="topic"	Topic name	Current topic
  web="web"	Web name	Current web
  nrev="nrev"	Number of revisions to show. Ignored, if both rev1 and rev2 are specified	Plugin preference variable NREV
  rev2="rev2"	Newest revision to show	rev1+nrev, if rev1 is specified, latest revision otherwise
  rev1="rev1"	Oldest revision to show	rev2-nrev
  reverse="on/off"	Show newest revisions first, if on	"on"
  header="text"	Text to print before the list. May contain the variables $next and $previous (see below)	"$next"
  footer="text"	Text to print after the list. May contain the variables $next and $previous (see below)	"$previous"

The parameters header and footer may contain the variables $next and $previous, which will only be evaluated, if there are newer or older revisions available for the topic which are not listed according to rev1, rev2, nrev. These variables take the syntax $next{'text' url='url'} (analog for $previous). text is the text which should be printed, url is the url for a corresponding link. The variables $rev1, $rev2, $nrev in text or url will be replaced by appropriate values for the next or previous block of revisions. See the attached oopshistory.tmpl for an example of how to use this.

The following variables are replaced only, if there is a corresponding %HISTORY% on the page. If more than one %HISTORY% is used on the same page, the values from the last one will be used.

• %HISTORY_REV1%: Oldest revision from the printed history
• %HISTORY_REV2%: Latest revision from the printed history
• %HISTORY_NREV%: Number of the printed revisions
• %HISTORY_MAXREV%: Latest available revision of the document

Examples

The call %HISTORY% shows a simple list of available revisions like

r1.3 - 17 Feb 2005 - 09:56 - AnUser
r1.2 - 31 Dec 2004 - 10:22 - AnotherUser
r1.1 - 15 Nov 2003 - 01:23 - YetAnotherUser

For a more complex example see the attached oopshistory.tmpl which also allows the comparison of two selected revisions.

Example screenshot from oopshistory.tmpl:

Plugin Settings

Plugin settings are stored as preferences variables. To reference a plugin setting write %<plugin>_<setting>%, i.e. %INTERWIKIPLUGIN_SHORTDESCRIPTION%

• One line description, is shown in the Text Formatting Rules topic:
  • Set SHORTDESCRIPTION = Shows a complete history of a document

• Debug plugin: (See output in data/debug.txt)
  • Set DEBUG = 0

• Default number of printed revisions:
  • Set NREV = 10

Plugin Installation Instructions

Note: You do not need to install anything on the browser to use this plugin. The following instructions are for the administrator who installs the plugin on the server where TWiki is running.

• Download the ZIP file from the Plugin web (see below)
• Unzip HistoryPlugin.zip in your twiki installation directory. Content:

  File:	Description:
  data/TWiki/HistoryPlugin.txt	Plugin topic
  data/TWiki/HistoryPlugin.txt,v	Plugin topic repository
  lib/TWiki/Plugins/HistoryPlugin.pm	Plugin Perl module
  templates/oopshistory.tmpl	Template for history page
  pub/TWiki/HistoryPlugin/screenshot.png	Example screen shot

• (Dakar) Visit configure in your TWiki installation, and enable the plugin in the {Plugins} section.
• Test if the installation was successful:
  • Here should appear the history of this document inline: %HISTORY{" r1.$rev - $date - $wikiusername
    "}%
  • Show the history of T Wiki Users :
    http://www.redbourn.org.uk/twiki/bin/oops/Main/TWikiUsers?template=oopshistory

Plugin Info

Related Topics: T Wiki Preferences, T Wiki Plugins

-- TWiki:Main/JChristophFuchs - 17 Feb 2005