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HeadlinesPlugin 1 - 21 Mar 2006 - Users.TWikiAdminGroup
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Headlines Plugin

Description

This plugin displays RSS and ATOM feeds from news sites. Use it to build news portals that show headline news.

Note: Syndic8.com ( http://www.syndic8.com/ ) is a good site listing many RSS feeds.

Syntax Rules

%HEADLINES{"..."}%

Parameter Explanation Default
"..." source of RSS feed; this can be an url (starting with http) or a web.topic location for internal feeds None; is required
href="..." (Alternative to above) N/A
refresh="60" Refresh rate in minutes for caching feed; "0" for no caching Global REFRESH setting
limit="12" Maximum number of items shown Global LIMIT setting
header Header. Can include these variables: - $channeltitle, $title: title of channel (channel.title)
- $channellink, $link: link of channel (channel.link)
- $channeldescription, $description: description (channel.description)
- $channeldate, $date: publication date of the channel (channel.pubDate)
- $rights: copyrights of the channel (channel.copyright)
- $imagetitle: title text for site (image.title)
- $imagelink: link for site (image.link)
- $imageurl: URL of image (image.url)
- $imagedescription: description of image (image.description)
Global HEADER setting
format Format of one item. Can include these variables:
- $title: news item title (item.title)
- $link: news item link (item.link)
- $description: news item description (item.description)
- $date: the publication date (item.pubDate, item.date)
- $category: the article category (item.category)
Global FORMAT setting

The header and format parameters might also use variables rendering the dc, image and content namespace information. Note, that only bits of interest have been implemented so far and those namespaces might not be implemented fully yet.

Rendering the dc namespace

The following variables are extracting the dc namespace info, that could be used in header and format. Nnote, that some of the variables are already used above. This is done by purpose to use different feeds with the same formating parameters. If there's a conflict the non-dc tags have higher precedence, i.e. a <title> content </title> is prefered over <dc:title> content </dc:title> .
  • $title: channel/article title (dc:title)
  • $creator: channel creator (dc:creator)
  • $subject: subject text; this will also add an image according to the subject hash list, see above (dc:subject)
  • $description: ... (dc:description)
  • $publisher: the channel/article publisher (dc:publisher)
  • $contributor: ... (dc:contributor)
  • $date: ... (dc:date)
  • $type: ... (dc:type)
  • $format: ... (dc:format)
  • $identifier: ... (dc:identifier)
  • $source: ... (dc:source)
  • $language: ... (dc:language)
  • $relation: ... (dc:relation)
  • $coverage: ... (dc: coverage)
  • $rights: ... (dc: rights)

Rendering the image namespace

An image:item is converted into an <img> tag using the following mappings:
  • src: image url (rdf:about attribute of the image.item tag)
  • alt: image title (title)
  • width: image width (image:width)
  • height: image height image:height)

Rendering the content namespace

The variable $content is refering to the <content:encoding> content </content:encoding>.

Examples

Write

%HEADLINES{"http://slashdot.org/slashdot.rdf" 
  header="*[[$link][$title]]:* $description" 
  format="$t* [[$link][$title]]"
}%
to get the latest Slashdot news as a bullet list format:

Write

%HEADLINES{"http://www.business-opportunities.biz/feed" limit="3"}%

to get the latest postings on the "Business Opportunities" weblog:

Mon, 21 May 2012 17:30:51 +0000
The original blog about business opportunities and business ideas for small business entrepreneurs

Mon, 21 May 2012 17:30:51 +0000 Dane Carlson

On this day in in 2000, Mark Hughes, the founder and CEO of Herbalife died. Herbalife is a global nutrition, weight management and skin-care company who’s products are marketed through a network of 2.1 million independent distributors.

In February 1980, Mark Hughes began selling the original Herbalife weight management product from the trunk of his car. Hughes often stated that the genesis of his product and program stemmed from the weight loss concerns of his mother Joanne, whose premature death he attributed to an eating disorder and an unhealthy approach to weight loss. His goal was to change the nutritional habits of the world.

His first product was a protein shake designed to help people manage their weight. He structured his company using a direct-selling, multi-level marketing model which attracted thousands of distributors (Herbalife Independent Distributors) who sold its products door-to-door or through word-of-mouth, without relying on commercial distribution in retail stores.

The company’s slogan, “Lose Weight Now, Ask Me How”, became a marketing theme for distributors, featuring heavily on badges, flyers and posters. Early methods to recruit distributors included seminars, which would feature distributors giving health and weight loss testimonials on the Herbalife products and a keynote address by Hughes. By 1982 Herbalife had reached USD 2 million in sales and had expanded into Canada.

Mark Hughes died at age 44 of an accidental overdose.

via Wikipedia.



Mon, 21 May 2012 06:30:19 +0000 Angela Shupe

Mail Online:

Scientists still say they are desperate to learn the secret of ‘Starlite’ – and the inventor’s family may have it.

The material was the invented by the eccentric English inventor and former hairdresser Maurice Ward who had no formal scientific training and claimed he put it together on his kitchen table with a food processor.

It was unveiled to the world on the BBC TV show 'Tomorrow's World' in 1991 during which he held a Starlite-coated egg up to a blowtorch.

Despite the extreme heat it was barely warm to the touch and was still runny inside.

Experts immediately realised its possibilities for things like aeroplanes, fire doors, spacecraft and dozens more possibilities.

Mr Ward, however, refused to play ball.

Over the following few decades his paranoia, capriciousness and need for absolute secrecy ruined all attempts to get it onto the market.

Photo by Emilian Robert Vicol



Mon, 21 May 2012 06:00:44 +0000 Angela Shupe

Mail Online:

Now the Etch-a-Sketch, that beloved toy which started life in the 1960s and amused children for the next three decades, is coming back – thanks to the help of the iPad.

Inventor Ari Krupnik has created an almost exact replica sleeve of the Etch-a-Sketch, including those two big twiddly buttons with which you can sketch on your designs on the grey screen.

Plug an iPad into the belly and – hey, presto! – everyone’s favourite toy has come back to life.

For the re-birth of Etch-a-Sketch, Ari worked on the software side, emulating all those beloved features to make this identical to the original – so shaking your iPad will clear your image just as before.

Although there is a nod to modern times – you can share your pictures via Facebook or Flickr – or even send a timelapse video to YouTube.


Plugin Settings

Plugin settings are stored as preferences variables. To reference a plugin setting write %<plugin>_<setting>%, for example, %HEADLINES_SHORTDESCRIPTION%

  • One line description, shown in the TextFormattingRules topic:
    • Set SHORTDESCRIPTION = Build news portals that show headline news based on RSS news feeds from news sites.

  • Refresh rate in minutes for cached feeds. Disable caching: 0, default: 60
    • Set REFRESH = 60

  • Maximum number of items shown. Default: 100
    • Set LIMIT = 100

  • Use LWP::UserAgent, or fallback to TWiki's internal getUrl() method, Default: yes
    • Set USELWPUSERAGENT = yes
  • Timeout fetching a feed using the LWP::UserAgent, Default: 20
    • Set USERAGENTTIMEOUT = 20

  • Default header: (variables are explained in the syntax rules)
      * Set HEADER = <div class="headlinesChannel"><div class="headlinesLogo"><img src="$imageurl" alt="$imagetitle" border="0" />%BR%</div><div class="headlinesTitle">$n---+!! <a href="$link">$title</a></div><div class="headlinesDate">$date</div><div class="headlinesDescription">$description</div><div class="headlinesRight">$rights</div></div>
  • Default format of one item: (variables are explained in the syntax rules)
      * Set FORMAT = <div class="headlinesArticle"><div class="headlinesTitle"><a href="$link">$title</a></div>$n<hr /><span class="headlinesDate">$date</span> <span class="headlinesCreator"> $creator</span> <span class="headlinesSubject"> $subject </span>$n<div class="headlinesText"> $description</div></div>

Style sheets

The default HEADER and FORMAT settings use the following styles. See the style.css file defining the default CSS properties (indentation illustrates enclosure).

  • headlinesRss: output of the HeadlinesPlugin (div)
    • headlinesChannel: channel header (div)
      • headlinesLogo: channel logo (div)
      • headlinesTitle: channel title (div)
      • headlinesDate: channel date (div)
      • headlinesDescription: channel description (div)
      • headlinesRight: channel copyright (div)
    • headlinesArticle: one news item (div)
      • headlinesTitle: article title (div)
      • headlinesDate: article date (span)
      • headlinesCreator: author of article (span)
      • headlinesSubject: subect category of the article (span)
      • headlineText: article text (div)

Plugin Installation Instructions

  • Download the ZIP file from the Plugin web (see below)
  • Unzip HeadlinesPlugin.zip in your twiki installation directory. Content:
    File: Description:
    data/TWiki/HeadlinesPlugin.txt Plugin topic
    pub/TWiki/HeadlinesPlugin/style.css default css
    lib/TWiki//HeadlinesPlugin.pm Plugin Perl module
    Check if above examples show a news feed instead of variable.
  • Optionally, run HeadlinesPlugin_installer.pl to automatically check and install other TWiki modules that this module depends on. You can also do this step manually.
  • Alternatively, manually make sure the dependencies listed in the table below are resolved.
    NameVersionDescription
    Digest::MD5>=2.33Required. Download from CPAN:Digest::MD5
    LWP::UserAgent>=5.803Optional. Download from CPAN:LWP::UserAgent

Plugin Info

Plugin Author: TWiki:Main.PeterThoeny, TWiki:Main.MichaelDaum
Copyright ©: 2002-2006, Peter Thoeny; 2005-2006, Michael Daum
License: GPL (GNU General Public License)
Plugin Version: v2.02
Change History:  
10 Feb 2006: packaged using the TWiki:Plugins/BuildContrib; minor fixes
03 Feb 2006: off-by-one: limit="n" returned n+1 articles; make FORMAT and HEADER format strings more robust
23 Jan 2006: released v2.00
05 Dec 2005: internal feed urls must be absolute
02 Dec 2005: added web.topic shorthand for internal feeds
29 Nov 2005: fixed CDATA handling
21 Nov 2005: added ATOM support; extended RSS support; added dublin core support; added content support; optionally using LWP to fetch feeds to follow redirections; corrected CPAN dependencies ; recoding special chars from html integer to entity encoding to increase browser compatibility; added css support; use getWorkArea() if available
11 May 2005: TWiki:Main.WillNorris: added DevelopBranch compatability
31 Oct 2004: Fixed taint issue by TWiki:Main.AdrianWeiler; small performance improvement
29 Oct 2004: Fixed issue of external caching if mod_perl or SpeedyCGI is used
02 Aug 2002: Implemented caching of feeds, thanks to TWiki:Main/RobDuarte
11 Jun 2002: Initial version (V1.000)
CPAN Dependencies: CPAN:LWP::UserAgent, CPAN:Digest::MD5
Other Dependencies: none
Perl Version: 5.004
TWiki:Plugins/Benchmark: GoodStyle 100%, FormattedSearch 99.5%, HeadlinesPlugin 94%
Plugin Home: http://TWiki.org/cgi-bin/view/Plugins/HeadlinesPlugin
Feedback: http://TWiki.org/cgi-bin/view/Plugins/HeadlinesPluginDev
Appraisal: http://TWiki.org/cgi-bin/view/Plugins/HeadlinesPluginAppraisal

-- TWiki:Main.PeterThoeny - 11 May 2005
-- TWiki:Main.MichaelDaum - 10 Mar 2006

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Revision 1r1 - 21 Mar 2006 - 02:33 - TWikiAdminGroup
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