documentation

[lhc/web/wiklou.git] / includes / DifferenceEngine.php

diff --git a/includes/DifferenceEngine.php b/includes/DifferenceEngine.php
index 66edfa9..c6f58d2 100644 (file)
--- a/includes/DifferenceEngine.php
+++ b/includes/DifferenceEngine.php
@@ -64,9 +64,39 @@ class DifferenceEngine {
        }
 
        function showDiffPage() {
-               global $wgUser, $wgTitle, $wgOut, $wgContLang, $wgOnlySysopsCanPatrol, $wgUseRCPatrol;
+               global $wgUser, $wgTitle, $wgOut, $wgContLang, $wgOnlySysopsCanPatrol,
+                      $wgUseExternalEditor, $wgUseRCPatrol;
                $fname = 'DifferenceEngine::showDiffPage';
                wfProfileIn( $fname );
+                               
+               # If external diffs are enabled both globally and for the user,
+               # we'll use the application/x-external-editor interface to call
+               # an external diff tool like kompare, kdiff3, etc.
+               if($wgUseExternalEditor && $wgUser->getOption('externaldiff')) {
+                       global $wgInputEncoding,$wgServer,$wgScript,$wgLang;
+                       $wgOut->disable();
+                       header ( "Content-type: application/x-external-editor; charset=".$wgInputEncoding );
+                       $url1=$wgTitle->getFullURL("action=raw&oldid=".$this->mOldid);                  
+                       $url2=$wgTitle->getFullURL("action=raw&oldid=".$this->mNewid);
+                       $special=$wgLang->getNsText(NS_SPECIAL);
+                       $control=<<<CONTROL
+[Process]
+Type=Diff text
+Engine=MediaWiki
+Script={$wgServer}{$wgScript}
+Special namespace={$special}
+
+[File]
+Extension=wiki
+URL=$url1
+
+[File 2]
+Extension=wiki
+URL=$url2
+CONTROL;
+                       echo($control);
+                       return;
+               }
 
                # mOldid is false if the difference engine is called with a "vague" query for
                # a diff between a version V and its previous version V' AND the version V