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<?php /**

* MediaWiki spoiler extension
* <spoiler> some text </spoiler>
* <spoiler text="something"> some text </spoiler>
* the function registered by the extension hides the text between the
* tags behind a JavaScript spoiler block.
*
* Based on the work of Brian Enigma: http://vanishingpointwiki.com/wiki/MediaWiki:Spoiler
*
* (C) Copyright 2009, ddsx <ddsx@live.it>
* This work is licensed under a Creative Commons Attribution-Noncommercial-Share 
* Alike 2.5 License.  Some rights reserved.
* http://creativecommons.org/licenses/by-nc-sa/2.5/
*/

// Configuration: $defaultText = "Show text"; $spoilerCSS = "border: 1px dashed #000000; background-color: #EEEEF2; padding: 3px;"; $spoilerHeaderCSS = "font-size:135%; color:#ff0000;"; $spoilerLinkCSS = "background-color:#EEEEF2; color:#0000FF; padding:2px 4px 2px 4px; border:solid black 1px; text-decoration: underline;"; // End Configuration

$wgExtensionFunctions[] = "wfSpoilerExtension"; $wgHooks['OutputPageBeforeHTML'][] = 'spoilerParserHook' ; $JSpoilerVersion = '1.1'; $wgExtensionCredits['parserhook'][] = array(

       'name'=>'JSpoiler',
       'version'=>$JSpoilerVersion,
       'author'=>'ddsx',
       'url'=>'http://www.mediawiki.org/wiki/Extension:JSpoiler',
       'description' => htmlentities('Adds a <spoiler [text="string"]> tag')

);

function wfSpoilerExtension() {

       global $wgParser;
       // register the extension with the WikiText parser
       $wgParser->setHook( "spoiler", "renderSpoiler" );

}

function wfSpoilerJavaScript() {

       global $spoilerCSS;
       global $spoilerHeaderCSS;
       global $spoilerLinkCSS;
       return  "<script language=\"JavaScript\">\n" .
               "\n" . 
               "function getStyleObject(objectId) {\n" .
               "    // checkW3C DOM, then MSIE 4, then NN 4.\n" .
               "    //\n" .
               "    if(document.getElementById) {\n" .
               "      if (document.getElementById(objectId)) {\n" .
               "            return document.getElementById(objectId).style;\n" .
               "      }\n" . 
               "    } else if (document.all) {\n" .
               "      if (document.all(objectId)) {\n" .
               "            return document.all(objectId).style;\n" .
               "      }\n" . 
               "    } else if (document.layers) { \n" . 
               "      if (document.layers[objectId]) { \n" .
               "            return document.layers[objectId];\n" .
               "      }\n" . 
               "    } else {\n" .
               "          return false;\n" .
               "    }\n" .
               "}\n" .
               "\n" .
               "function toggleObjectVisibility(objectId) {\n" .
               "    // first get the object's stylesheet\n" .
               "    var styleObject = getStyleObject(objectId);\n" .
               "\n" .
               "    // then if we find a stylesheet, set its visibility\n" .
               "    // as requested\n" .
               "    //\n" .
               "    if (styleObject) {\n" .
               "        if (styleObject.display == 'none') {\n" .
               "            styleObject.display = 'block';\n" .
               "        } else {\n" .
               "            styleObject.display = 'none';\n" .
               "        }\n" .
               "        return true;\n" .
               "    } else {\n" .
               "        return false;\n" .
               "    }\n" .
               "}\n" .
               "</script>\n" .
               "<style type=\"text/css\"></style>\n";

}

function spoilerParserHook( &$parser , &$text ) {

       $text = wfSpoilerJavaScript() . $text;
       return true;

}

function wfMakeSpoilerId() {

       $result = "";
       for ( $i=0; $i<20; $i++ ) {
               $result .= chr(rand(ord('A'), ord('Z')));
       }
       return $result;

}

// The callback function for converting the input text to HTML output function renderSpoiler( $input, $argv, $parser ) {

       global $defaultText;
       $localParser = new Parser();
       $outputObj = $localParser->parse($input, $parser->mTitle, $parser->mOptions);
       $spoilerId = wfMakeSpoilerId();
       $output  = "<a href=\"#\"onclick=\"toggleObjectVisibility('" . $spoilerId . "'); return false;\" class=\"spoilerLink\">";
       if ( !array_key_exists("text", $argv) || $argv["text"] == "" ) {
               $output .= $defaultText . "</a>\n";
       } else {
               $output .= $argv["text"] . "</a>\n";
       }
$output .= "
\n";
       $output .= $outputObj->getText() . "\n";
$output .= "
\n";
       return $output;

}

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