Extension:Fotonotes/FotonotesExt-v1.1-PHP4.php

<?php
// Copyright 2006 by Dallan Quass
// Released under the GPL.
// Modified 5-Dec-07 by Matt Collinge (www.mattcollinge.co.uk) to allow wiki tags within notes
 
require_once("Fotonotes.php");
 
# Register with MediaWiki as an extension
$wgExtensionFunctions[] = "wfFotonotesExtensionSetup";
 
//Extension credits that show up on Special:Version
$wgExtensionCredits['parserhook'][] = array(
        'name' => 'Fotonotes',
        'author' => array('Dallan Quass', 'Matt Collinge'),
        'url' => 'http://www.mediawiki.org/wiki/Extension:Fotonotes',
        'description' => 'Add annotations to pages in the Image: namespace'
);
 
/**
 * Callback function for $wgExtensionFunctions; sets up extension
 */
function wfFotonotesExtensionSetup() {
                global $wgHooks;
                global $wgParser;
 
                # Register hook for edit UI - requires modification too
                $wgHooks['ArticleEditShow'][] = 'renderImageEditFields';
 
                # register the extension with the WikiText parser
                $wgParser->setHook('fotonotes', 'renderImageData');
}
 
 
// Added by MattC 5-Dec-07 for use in the renderImageData function
function unhtmlentities ($string) {
   $trans_tbl =get_html_translation_table (HTML_ENTITIES );
   $trans_tbl =array_flip ($trans_tbl );
   return strtr ($string ,$trans_tbl );
}
 
/**
 * Callback function for converting notes to HTML output
 */
function renderImageData( $input, $argv, $parser) {
        // MattC 5-Dec-07. Next bit modified to invoke the Wiki parser to convert links etc.
        $output = $parser->parse( $input, $parser->mTitle, $parser->mOptions, true, false );
        $outputtxt = unhtmlentities($output->getText());
 
        $image = new Fotonotes($parser->getTitle());
        return $image->renderImageNotes( $outputtxt );
}
 
/**
 * Callback function for rendering edit fields
 * @return bool must return true or other hooks don't get called
 */
function renderImageEditFields( &$editPage ) {
   global $wgOut;
 
        $ns = $editPage->mTitle->getNamespace();
        if ($ns == NS_IMAGE && !$editPage->section) {
                 $image = new Fotonotes($editPage->mTitle);
                // get notes
                $notes = '';
                $start = strpos(strtolower($editPage->textbox1), "<fotonotes>");
 
                if ($start !== false) {
                        $start += strlen("<fotonotes>");
                        $end = strpos(strtolower($editPage->textbox1), "</fotonotes>", $start);
                        if ($end !== false) {
                                $notes = substr($editPage->textbox1, $start, $end - $start);
                        }
                }
                $wgOut->addHTML($image->renderEditableImage($notes));
        }
        return true;
}