Extension:FacebookLikeButton

MediaWiki extensions manual - list

FacebookLikeButton Release status: stable
Implementation	Tag
Description	Creates a Facebook Like and/or Send button(s).
Author(s)	Piotr Zuk (zukoTalk)
Last version	1.0.0 (2011-08-11)
MediaWiki	1.16
License	GNU public License
Download	MediawikiExtFacebookLikeButton.zip or this page
Example	C++Book reference
Hooks used ParserFirstCallInit
Check usage (experimental)

What can this extension do?

Allows you to very simply include Facebook Like and/or Send button(s).

Usage

With the tag <facelikebutton></facelikebutton>

• Version 1: <facelikebutton style="1" showsend="0"></facelikebutton> (without counting box)

• Version 2: <facelikebutton style="2" showsend="0"></facelikebutton> (with horizontal counting box)

• Version 3: <facelikebutton style="3" showsend="0"></facelikebutton> (with vertical counting box)

Default version = 2 (with horizontal counting box) and without send button ( showsend = 0 ).

Set showsend="1" to see the makes the Send button visible.

Download instructions

You can download the php file from MediawikiExtFacebookLikeButton_zip or copy and paste the code below to the file: $IP/extensions/FacebookLikeButton/FacebookLikeButton.php. Note: $IP stands for the root directory of your MediaWiki installation, the same directory that holds LocalSettings.php.

Installation

To install this extension, add the following to LocalSettings.php:

require_once("$IP/extensions/FacebookLikeButton/FacebookLikeButton.php");

Code

<?php
/* Wiki FacebookLikeButton MediaWiki extension
** Installation Instructions: http://www.mediawiki.org/wiki/Extension:FacebookLikeButton
*/
 
$wgExtensionFunctions[] = "facebooklikebuttonExtension";
 
function genereatefacebookscript($showsend, $version)
{
        $str = "";
        if( is_numeric($showsend) && $showsend > 1 )
                $s = "true";
        else
                $s = "false";
 
        switch($version)
        {
        case 1:
                $str = '<script src="http://connect.facebook.net/en_US/all.js#xfbml=1"></script><fb:like href="" send="'.$s.'" width="450" show_faces="true" action="like" font=""></fb:like>';
                break;
        case 2:
                $str = '<script src="http://connect.facebook.net/en_US/all.js#xfbml=1"></script><fb:like href="" send="'.$s.'" layout="button_count" width="450" show_faces="false" action="like" font=""></fb:like>';
                break;
        case 3:
                $str = '<script src="http://connect.facebook.net/en_US/all.js#xfbml=1"></script><fb:like href="" send="'.$s.'" layout="box_count" width="450" show_faces="true" action="like" font=""></fb:like>';
                break;
        }
        return $str;
}
 
function facebooklikebuttonExtension() {
   global $wgParser;
 
   $wgParser->setHook( "facelikebutton", "renderFacebookLikeButton" ); 
}
 
function renderFacebookLikeButton( $input, $argv )
{  
   $style= @$argv['style'];
   $showsend= @$argv['showsend'];
 
   if (is_numeric($style))
   {
           $version = $style;
           if (!$versions_facelikebutton[$version]) {
                   $version = 1;              
           }
   } else {              
           $version = 1;           
   }
 
   $output = genereatefacebookscript($showsend, $version);
   return $output;
}
 
$wgExtensionCredits['parserhook'][] = array(
      'name' => 'Wiki FacebookLikeButton',
      'version' => '1.0.0',
      'author' => 'Piotr Zuk',
      'url' => 'http://www.mediawiki.org/wiki/Extension:FacebookLikeButton',
      'description' => 'Mediawiki FacebookLikeButton Extension'
);