Extension:SimpleEmbed

MediaWiki extensions manual

SimpleEmbed Release status: stable
Implementation	Tag , Media
Description	Allows for embedding files on a page
Author(s)	Kim Eik (netbraintalk)
Latest version	0.1 (2013-08-14)
MediaWiki	1.21+
Database changes	No
License	Public domain
Download	See the code section
Tags <embed>
Translate the SimpleEmbed extension if it is available at translatewiki.net
Check usage and version matrix.

The SimpleEmbed extension adds the <embed> tag for embedding files. It supports remote and local (uploaded to MediaWiki) files.

This extension is based on the EmbedAll extension.

Installation

• Copy the code into a file called "SimpleEmbed.php" and place the file(s) in a directory called SimpleEmbed in your extensions/ folder.

• Add the following code at the bottom of your LocalSettings.php:

  require_once "$IP/extensions/SimpleEmbed/SimpleEmbed.php";
  

•  Done – Navigate to Special:Version on your wiki to verify that the extension is successfully installed.

Usage

• <embed>http://some.site.com/with/a/document.pdf</embed>
• <embed width="250">Your_uploaded_document.pdf</embed>

Options

• width
• height

You can embed all types of "embeddable" files, not just PDF's.

Code

SimpleEmbed.php

<?php

/**
 * Example usage:
 *
 *	<embed>{{PAGENAME}}</embed>
 *	<embed>http://localhost/mw/images/d/de/Sample.pdf</embed>
 *	<embed>Sample.pdf</embed>
 *
 */

$wgExtensionCredits['parserhook'][] = array(
	'name' => 'SimpleEmbed',
	'author' => 'Kim Eik',
	'version' => '0.1',
	'url' => 'https://www.mediawiki.org/wiki/Extension:SimpleEmbed',
	'description' => 'Allows for embedding files on a page',
);

$wgExtensionFunctions[] = 'registerEmbedHandler';

function registerEmbedHandler ()
{
	global $wgParser;
	$wgParser->setHook( 'embed', 'embed' );
}

function isValidUrl($url){
	return preg_match("/\b(?:(?:https?|ftp):\/\/|www\.)[-a-z0-9+&@#\/%?=~_|!:,.;]*[-a-z0-9+&@#\/%=~_|]/i", $url);
}

function parseAsUrlOrWikiText($text,Parser $parser, PPFrame $frame){
	if(isValidUrl($text)){
		return $text;
	}else{
		$text = html_entity_decode($parser->recursiveTagParse($text,$frame));
		if(!isValidUrl($text)){
			$file = wfFindFile($text);
			return $file ? $file->getFullUrl() : false;
		}
		return $text;
	}
}

function embed ( $input, $argv, Parser $parser, PPFrame $frame )
{
	$path = parseAsUrlOrWikiText($input,$parser,$frame);
	if (!$path){
		return "<span style=\"color: red;\">Invalid URI: $input</span>";
	}

	$width = isset($argv['width']) ? htmlspecialchars( $argv['width'] ) : '1000';
	$height = isset($argv['height']) ? htmlspecialchars( $argv['height'] ) : '700';

	return '<iframe src="'.$path.'" width="'.$width.'" height="'.$height.'"></iframe>';
}