ميدياويكى:Gadgets.php

<?php /**

* Gadgets extension - lets users select custom javascript gadgets
*
*
* For more info see //mediawiki.org/wiki/Extension:Gadgets
*
* @package MediaWiki
* @subpackage Extensions
* @author Daniel Kinzler, brightbyte.de
* @copyright © 2007 Daniel Kinzler
* @license GNU General Public Licence 2.0 or later
*/

if( !defined( 'MEDIAWIKI' ) ) { echo( "This file is an extension to the MediaWiki software and cannot be used standalone.\n" ); die( 1 ); }

$wgExtensionCredits['other'][] = array( 'path' => __FILE__, 'name' => 'Gadgets', 'author' => 'Daniel Kinzler', 'url' => '//mediawiki.org/wiki/Extension:Gadgets', 'description' => 'lets users select custom javascript gadgets', 'descriptionmsg' => 'gadgets-desc', );

$wgHooks['GetPreferences'][] = 'wfGadgetsGetPreferences'; $wgHooks['BeforePageDisplay'][] = 'wfGadgetsBeforePageDisplay'; $wgHooks['ArticleSaveComplete'][] = 'wfGadgetsArticleSaveComplete';

$dir = dirname(__FILE__) . '/'; $wgExtensionMessagesFiles['Gadgets'] = $dir . 'Gadgets.i18n.php'; $wgExtensionAliasesFiles['Gadgets'] = $dir . 'Gadgets.alias.php'; $wgAutoloadClasses['SpecialGadgets'] = $dir . 'SpecialGadgets.php'; $wgSpecialPages['Gadgets'] = 'SpecialGadgets'; $wgSpecialPageGroups['Gadgets'] = 'wiki';

function wfGadgetsArticleSaveComplete( &$article, &$user, $text ) { //update cache if MediaWiki:Gadgets-definition was edited $title = $article->mTitle; if( $title->getNamespace() == NS_MEDIAWIKI && $title->getText() == 'Gadgets-definition' ) { wfLoadGadgetsStructured( $text ); } return true; }

function wfLoadGadgets() { static $gadgets = null;

if ( $gadgets !== null ) return $gadgets;

$struct = wfLoadGadgetsStructured(); if ( !$struct ) { $gadgets = $struct; return $gadgets; }

$gadgets = array(); foreach ( $struct as $section => $entries ) { $gadgets = array_merge( $gadgets, $entries ); }

return $gadgets; }

function wfLoadGadgetsStructured( $forceNewText = null ) { global $wgMemc;

static $gadgets = null; if ( $gadgets !== null && $forceNewText === null ) return $gadgets;

$key = wfMemcKey( 'gadgets-definition' );

if ( $forceNewText === null ) { //cached? $gadgets = $wgMemc->get( $key ); if ( is_array($gadgets) ) return $gadgets;

$g = wfMsgForContentNoTrans( "gadgets-definition" ); if ( wfEmptyMsg( "gadgets-definition", $g ) ) { $gadgets = false; return $gadgets; } } else { $g = $forceNewText; }

$g = preg_replace( '//s', , $g ); $g = preg_split( '/(\r\n|\r|\n)+/', $g );

$gadgets = array(); $section = ;

foreach ( $g as $line ) { if ( preg_match( '/^==+ *([^*:\s|]+?)\s*==+\s*$/', $line, $m ) ) { $section = $m[1]; } else if ( preg_match( '/^\*+ *([a-zA-Z](?:[-_:.\w\d ]*[a-zA-Z0-9])?)\s*((\|[^|]*)+)\s*$/', $line, $m ) ) { //NOTE: the gadget name is used as part of the name of a form field, // and must follow the rules defined in http://www.w3.org/TR/html4/types.html#type-cdata // Also, title-normalization applies. $name = str_replace(' ', '_', $m[1] );

$code = preg_split( '/\s*\|\s*/', $m[2], -1, PREG_SPLIT_NO_EMPTY );

if ( $code ) { $gadgets[$section][$name] = $code; } } }

//cache for a while. gets purged automatically when MediaWiki:Gadgets-definition is edited $wgMemc->set( $key, $gadgets, 60*60*24 ); $source = $forceNewText !== null ? 'input text' : 'MediaWiki:Gadgets-definition'; wfDebug( __METHOD__ . ": $source parsed, cache entry $key updated\n");

return $gadgets; }

function wfGadgetsGetPreferences( $user, &$preferences ) { $gadgets = wfLoadGadgetsStructured(); if (!$gadgets) return true;

wfLoadExtensionMessages( 'Gadgets' );

$options = array(); foreach( $gadgets as $section => $thisSection ) { $section = wfMsgExt( "gadget-section-$section", 'parseinline' ); $options[$section] = array(); foreach( $thisSection as $gname => $code ) { $options[$section][wfMsgExt( "gadget-$gname", 'parseinline' )] = $gname; } }

$preferences['gadgets-intro'] = array( 'type' => 'info', 'label' => ' ', 'default' => Xml::tags( 'tr', array(), Xml::tags( 'td', array( 'colspan' => 2 ), wfMsgExt( 'gadgets-prefstext', 'parse' ) ) ), 'section' => 'gadgets', 'raw' => 1, 'rawrow' => 1, );

$preferences['gadgets'] = array( 'type' => 'multiselect', 'options' => $options, 'section' => 'gadgets', 'label' => ' ', 'prefix' => 'gadget-', );

return true; }

function wfGadgetsBeforePageDisplay( &$out ) { global $wgUser; if ( !$wgUser->isLoggedIn() ) return true;

//disable all gadgets on Special:Preferences if ( $out->getTitle()->getNamespace() == NS_SPECIAL ) { $name = SpecialPage::resolveAlias( $out->getTitle()->getText() ); if ( $name == "Preferences" ) return true; }

$gadgets = wfLoadGadgets(); if ( !$gadgets ) return true;

$done = array();

foreach ( $gadgets as $gname => $code ) { $tname = "gadget-$gname"; if ( $wgUser->getOption( $tname ) ) { wfApplyGadgetCode( $code, $out, $done ); } }

return true; }

function wfApplyGadgetCode( $code, &$out, &$done ) { global $wgJsMimeType;

//FIXME: stuff added via $out->addScript appears below usercss and userjs in the head tag. // but we'd want it to appear above explicit user stuff, so it can be overwritten. foreach ( $code as $codePage ) { //include only once if ( isset( $done[$codePage] ) ) continue; $done[$codePage] = true;

$t = Title::makeTitleSafe( NS_MEDIAWIKI, "Gadget-$codePage" ); if ( !$t ) continue;

if ( preg_match( '/\.js/', $codePage ) ) { $u = $t->getLocalURL( 'action=raw&ctype=' . $wgJsMimeType ); //switched to addScriptFile call to support scriptLoader $out->addScriptFile( $u ); } else if ( preg_match( '/\.css/', $codePage ) ) { $u = $t->getLocalURL( 'action=raw&ctype=text/css' ); $out->addScript( '<style type="text/css">/*<![CDATA[*/ @import "' . $u . '"; /*]]>*/</style>' . "\n" );

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

} } }