testPngNativetZtxt requires zlib extension
[lhc/web/wiklou.git] / includes / ExternalEdit.php
index 14b55fd..3f73376 100644 (file)
@@ -1,15 +1,14 @@
 <?php
 /**
+ * External editors support
+ *
  * License: Public domain
  *
+ * @file
  * @author Erik Moeller <moeller@scireview.de>
- * @package MediaWiki
  */
 
 /**
- *
- * @package MediaWiki
- *
  * Support for external editors to modify both text and files
  * in external applications. It works as follows: MediaWiki
  * sends a meta-file with the MIME type 'application/x-external-editor'
  * and save the modified data back to the server.
  *
  */
+class ExternalEdit extends ContextSource {
+
+       /**
+        * Array of URLs to link to
+        * @var Array
+        */
+       private $urls;
+
+       /**
+        * Constructor
+        * @param $context IContextSource context to use
+        * @param $urls array
+        */
+       public function __construct( IContextSource $context, array $urls = array() ) {
+               $this->setContext( $context );
+               $this->urls = $urls;
+       }
+
+       /**
+        * Check whether external edit or diff should be used.
+        *
+        * @param $context IContextSource context to use
+        * @param $type String can be either 'edit' or 'diff'
+        * @return Bool
+        */
+       public static function useExternalEngine( IContextSource $context, $type ) {
+               global $wgUseExternalEditor;
 
-class ExternalEdit {
+               if ( !$wgUseExternalEditor ) {
+                       return false;
+               }
 
-       function ExternalEdit ( $article, $mode ) {
-               global $wgInputEncoding;
-               $this->mArticle =& $article;
-               $this->mTitle =& $article->mTitle;
-               $this->mCharset = $wgInputEncoding;
-               $this->mMode = $mode;
+               $pref = $type == 'diff' ? 'externaldiff' : 'externaleditor';
+               $request = $context->getRequest();
+
+               return !$request->getVal( 'internaledit' ) &&
+                       ( $context->getUser()->getOption( $pref ) || $request->getVal( 'externaledit' ) );
        }
 
-       function edit() {
-               global $wgOut, $wgScript, $wgScriptPath, $wgServer, $wgLang;
-               $wgOut->disable();
-               $name=$this->mTitle->getText();
-               $pos=strrpos($name,".")+1;
-               header ( "Content-type: application/x-external-editor; charset=".$this->mCharset );
+       /**
+        * Output the information for the external editor
+        */
+       public function execute() {
+               global $wgContLang, $wgScript, $wgScriptPath, $wgCanonicalServer;
+
+               $this->getOutput()->disable();
+
+               $response = $this->getRequest()->response();
+               $response->header( 'Content-type: application/x-external-editor; charset=utf-8' );
+               $response->header( 'Cache-control: no-cache' );
+
+               $special = $wgContLang->getNsText( NS_SPECIAL );
 
                # $type can be "Edit text", "Edit file" or "Diff text" at the moment
                # See the protocol specifications at [[m:Help:External editors/Tech]] for
                # details.
-               if(!isset($this->mMode)) {
-                       $type="Edit text";
-                       $url=$this->mTitle->getFullURL("action=edit&internaledit=true");
+               if ( count( $this->urls ) ) {
+                       $urls = $this->urls;
+                       $type = "Diff text";
+               } elseif ( $this->getRequest()->getVal( 'mode' ) == 'file' ) {
+                       $type = "Edit file";
+                       $image = wfLocalFile( $this->getTitle() );
+                       if ( $image ) {
+                               $urls = array(
+                                       'File' => array(
+                                               'Extension' => $image->getExtension(),
+                                               'URL' => $image->getCanonicalURL()
+                                       )
+                               );
+                       } else {
+                               $urls = array();
+                       }
+               } else {
+                       $type = "Edit text";
                        # *.wiki file extension is used by some editors for syntax
                        # highlighting, so we follow that convention
-                       $extension="wiki";
-               } elseif($this->mMode=="file") {
-                       $type="Edit file";
-                       $image = new Image( $this->mTitle );
-                       $img_url = $image->getURL();
-                       if(strpos($img_url,"://")) {
-                               $url = $img_url;
-                       } else {
-                               $url = $wgServer . $img_url;
+                       $urls = array( 'File' => array(
+                               'Extension' => 'wiki',
+                               'URL' => $this->getTitle()->getCanonicalURL(
+                                       array( 'action' => 'edit', 'internaledit' => 'true' ) )
+                       ) );
+               }
+
+               $files = '';
+               foreach( $urls as $key => $vars ) {
+                       $files .= "\n[$key]\n";
+                       foreach( $vars as $varname => $varval ) {
+                               $files .= "$varname=$varval\n";
                        }
-                       $extension=substr($name, $pos);
                }
-               $special=$wgLang->getNsText(NS_SPECIAL);
+
+               $url = $this->getTitle()->getFullURL(
+                       $this->getRequest()->appendQueryValue( 'internaledit', 1, true ) );
+
                $control = <<<CONTROL
+; You're seeing this file because you're using Mediawiki's External Editor feature.
+; This is probably because you selected use external editor in your preferences.
+; To edit normally, either disable that preference or go to the URL:
+; $url
+; See http://www.mediawiki.org/wiki/Manual:External_editors for details.
 [Process]
 Type=$type
 Engine=MediaWiki
-Script={$wgServer}{$wgScript}
-Server={$wgServer}
+Script={$wgCanonicalServer}{$wgScript}
+Server={$wgCanonicalServer}
 Path={$wgScriptPath}
 Special namespace=$special
-
-[File]
-Extension=$extension
-URL=$url
+$files
 CONTROL;
                echo $control;
        }
 }
-?>