NewsPlugin v1.5

The News plugin implements a simple "Headlines" view, or summary, of a list of news or a weblog. Add a %NEWS% variable in a news topic named Xxx to generate a headline topic named XxxHeadlines.


Syntax Rules

One enters news as items of a bulleted list in a single source topic, most recent first. If somewhere in the topic, the keyword %NEWS% appears, then a new topic is created with the first line of the most recent news. Ending punctuation is removed from the headlines for a sleeker look.

Recommended usage is to %INCLUDE% the generated topic in some panel in a front page, and put a "More..." link in it to the source topic. The %NEWS% variable can be set in an HTML comment to hide it in the source topic:

<!-- %NEWS% -->

To change the default, use the syntax %NEWS{parameter="value" ...}% syntax with the following available parameters:

Parameter Value
count The number of headlines to keep. Defaults to 5.
pattern Gives a (partial) regular expression pattern to use to extract the news items. This pattern must occur at the beginning of a line in order to select a news item. The headline then becomes everything following the pattern until the end of the line. Defaults to (\t|   )\*\s (i.e., a first-level bullet).
postsep Appends this text to each headline. Defaults to newline
prefix This text will be prepended to the generated topic. Defaults to nothing.
presep Prepend each headline with this text. Defaults to <tab>*<space>
suffix This text will be appended to the generated topic. Defaults to nothing.
topic Name of generated headlines topic. Defaults to the name of the source topic with Headlines appended to it.
trim If set to "no", trailings punctuation marks ( .,:; ) are not removed from headlines. Defaults to "yes"

Examples

Example: Set the prefix, presep, and suffix to produce an HTML unordered (bullet) list: %NEWS{presep="<li>" prefix="<ul>" suffix="</ul>"}%

Example: If the topic MyCompanyNews contains:

%NEWS%
 * NewsPlugin released - 18 Feb 2003.
   The great news plugin has been debugged
 * NewsPlugin devel started - 02 Jan 2003.
   I think this is really needed, 
   I will try to keep it simple
Then on saving the topic MyCompanyNewsHeadlines will contain:
 * NewsPlugin released - 18 Feb 2003
 * NewsPlugin devel started - 02 Jan 2003

Example: This is the same example above, except the news headlines are specified as level-2 headings:

%NEWS{pattern="---\+\+(!!)?"}%
---++ NewsPlugin released - 18 Feb 2003.
The great news plugin has been debugged
---++ NewsPlugin devel started - 02 Jan 2003.
I think this is really needed, 
I will try to keep it simple
Then on saving the topic MyCompanyNewsHeadlines will contain:
 * NewsPlugin released - 18 Feb 2003
 * NewsPlugin devel started - 02 Jan 2003

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 TextFormattingRules topic:
    • Set SHORTDESCRIPTION = %NEWS% generates a short headlines topic from a list of news

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

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 NewsPlugin.zip in your twiki installation directory. Content:
    File: Description:
    data/TWiki/NewsPlugin.txt Plugin topic
    data/TWiki/NewsPlugin.txt,v Plugin topic repository
    lib/TWiki/Plugins/NewsPlugin.pm Plugin Perl module
    data/Sandbox/NewsPluginExample.txt Example news source topic
    data/Sandbox/NewsPluginExampleHeadlines.txt Example generated news headlines topic
    data/Sandbox/NewsPluginExampleInclusion.txt Example =%INCLUDE% usage of a generated headlines topic
  • Test if the installation was successful:

Plugin Info

Plugin Author: TWiki:Main/ColasNahaboo
Plugin Version: 07 Feb 2006 (V1.5)
Change History:  
07 Feb 2006 1.5 Add "pattern" parameter.
20 Feb 2003 1.4 trim option for removing ending punctuation: . , : ;
19 Feb 2003 1.3 small bugfix
17 Feb 2003 1.2 Initial version
TWiki Dependency: $TWiki::Plugins::VERSION 1.1
TWiki version of 01 Feb 2003 or better, or the 01 Dec 2001 version with the TWiki:Codev/PluginHookOnSavePatch patch.
CPAN Dependencies: none
Other Dependencies: none
Perl Version: 5.005
License: GPL (GNU General Public License)
Benchmarks: GoodStyle 100%, FormattedSearch 99%, NewsPlugin 100%
Plugin Home: http://TWiki.org/cgi-bin/view/Plugins/NewsPlugin
Feedback: http://TWiki.org/cgi-bin/view/Plugins/NewsPluginDev
Appraisal: http://TWiki.org/cgi-bin/view/Plugins/NewsPluginAppraisal

Related Topics: TWikiPreferences, TWikiPlugins

-- TWiki:Main/ColasNahaboo - 17 Feb 2003
-- TWiki:Main/DavidBright - 07 Feb 2006

 
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TWiki.NewsPlugin
Topic revision: r10 - 2006-02-07 - 20:51:04 - TWikiContributor
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