adding 1.1.1

Preloader.php

@@ -0,0 +1,103 @@
+<?php
+
+/**
+ * Extension allows preloading of custom content into all edit forms
+ * when creating an article
+ *
+ * Also adds a new tag <nopreload> which is used to mark sections which
+ * shouldn't be preloaded, ever; has no effect on the rendering of pages
+ *
+ * @file
+ * @ingroup Extensions
+ * @author Rob Church <robchur@gmail.com>
+ */
+ 
+if( !defined( 'MEDIAWIKI' ) ) {
+	echo( "This file is an extension to the MediaWiki software and cannot be used standalone.\n" );
+	exit( 1 );
+}
+
+$wgExtensionCredits['other'][] = array(
+	'path'           => __FILE__,
+	'name'           => 'Preloader',
+	'author'         => 'Rob Church',
+	'version'        => '1.1.1',
+	'url'            => 'https://www.mediawiki.org/wiki/Extension:Preloader',
+	'descriptionmsg' => 'preloader-desc',
+);
+$wgExtensionMessagesFiles['Preloader'] =  dirname(__FILE__) . '/Preloader.i18n.php';
+
+/**
+ * Sources of preloaded content for each namespace
+ */
+$wgPreloaderSource[ NS_MAIN ] = 'Template:Preload';
+
+$wgHooks['EditFormPreloadText'][] = 'Preloader::mainHook';
+$wgHooks['ParserFirstCallInit'][] = 'Preloader::setParserHook';
+
+class Preloader {
+
+	public static function setParserHook( $parser ) {
+		$parser->setHook( 'nopreload', array( __CLASS__, 'parserHook' ) );
+		return true;
+	}
+
+	/** Hook function for the preloading */
+	public static function mainHook( &$text, &$title ) {
+		$src = self::preloadSource( $title->getNamespace() );
+		if( $src ) {
+			$stx = self::sourceText( $src );
+			if( $stx )
+				$text = $stx;
+		}
+		return true;
+	}
+
+	/** Hook function for the parser */
+	public static function parserHook( $input, $args, &$parser ) {
+		$output = $parser->parse( $input, $parser->getTitle(), $parser->getOptions(), false, false );
+		return $output->getText();
+	}
+
+	/**
+	 * Determine what page should be used as the source of preloaded text
+	 * for a given namespace and return the title (in text form)
+	 *
+	 * @param $namespace Namespace to check for
+	 * @return mixed
+	 */ 
+	static function preloadSource( $namespace ) {
+		global $wgPreloaderSource;
+		if( isset( $wgPreloaderSource[ $namespace ] ) ) {
+			return $wgPreloaderSource[ $namespace ];
+		} else {
+			return false;
+		}
+	}
+
+	/**
+	 * Grab the current text of a given page if it exists
+	 *
+	 * @param $page Text form of the page title
+	 * @return mixed
+	 */
+	static function sourceText( $page ) {
+		$title = Title::newFromText( $page );
+		if( $title && $title->exists() ) {
+			$revision = Revision::newFromTitle( $title );
+			return self::transform( $revision->getText() );
+		} else {
+			return false;
+		}
+	}
+
+	/**
+	 * Remove <nopreload> sections from the text and trim whitespace
+	 *
+	 * @param $text
+	 * @return string
+	 */
+	static function transform( $text ) {
+		return trim( preg_replace( '/<nopreload>.*<\/nopreload>/s', '', $text ) );
+	}
+}