Automatic draft saving

DokuWiki now automatically creates a draft file of the currently edited
page. In case of an editing interuption (eg. Browsercrash) the draftfile
can be continued later.

darcs-hash:20060311200148-7ad00-919337a51e001136178d175a1755cd26122e9726.gz

2 files changed, 38 insertions, 4 deletions

diff --git a/lib/exe/ajax.php b/lib/exe/ajax.php
index e52d5d378..886e9829d 100644
--- a/lib/exe/ajax.php
+++ b/lib/exe/ajax.php
@@ -61,18 +61,52 @@ function ajax_qsearch(){
 }
 
 /**
- * Refresh a page lock
+ * Refresh a page lock and save draft
  *
  * Andreas Gohr <andi@splitbrain.org>
  */
 function ajax_lock(){
+  global $conf;
+  global $lang;
   $id = cleanID($_POST['id']);
   if(empty($id)) return;
 
   if(!checklock($id)){
     lock($id);
-    print 1;
+    echo 1;
   }
+
+  if($conf['usedraft'] && $_POST['wikitext']){
+    $client = $_SERVER['REMOTE_USER'];
+    if(!$client) $client = clientIP(true);
+
+    $draft = array('id'     => $ID,
+                   'prefix' => $_POST['prefix'],
+                   'text'   => $_POST['wikitext'],
+                   'suffix' => $_POST['suffix'],
+                   'date'   => $_POST['date'],
+                   'client' => $client,
+                  );
+    $cname = getCacheName($draft['client'].$id,'.draft');
+    if(io_saveFile($cname,serialize($draft))){
+      echo $lang['draftdate'].' '.date($conf['dformat']);
+    }
+  }
+
+}
+
+/**
+ * Delete a draft
+ */
+function ajax_draftdel(){
+  $id = cleanID($_POST['id']);
+  if(empty($id)) return;
+
+  $client = $_SERVER['REMOTE_USER'];
+  if(!$client) $client = clientIP(true);
+
+  $cname = getCacheName($client.$id,'.draft');
+  @unlink($cname);
 }
 
 //Setup VIM: ex: et ts=2 enc=utf-8 :
diff --git a/lib/exe/js.php b/lib/exe/js.php
index 5147f1be3..9cc4a863c 100644
--- a/lib/exe/js.php
+++ b/lib/exe/js.php
@@ -93,7 +93,7 @@ function js_out(){
             js_runonstart("initChangeCheck('".js_escape($lang['notsavedyet'])."')");
 
             // add lock timer
-            js_runonstart("locktimer.init(".($conf['locktime'] - 60).",'".js_escape($lang['willexpire'])."')");
+            js_runonstart("locktimer.init(".($conf['locktime'] - 60).",'".js_escape($lang['willexpire'])."',".$conf['usedraft'].")");
 
             // load spell checker
             if($conf['spellchecker']){
@@ -195,7 +195,7 @@ function js_escape($string){
  * @author Andreas Gohr <andi@splitbrain.org>
  */
 function js_runonstart($func){
-    echo "addInitEvent(function(){ $func; });";
+    echo "addInitEvent(function(){ $func; });\n";
 }
 
 /**