JSLINT locktimer, fix date passing in draftsave

Since 80997d21 the date passed to the
draft save backend is indeed the page id, not the date.

lib/scripts/locktimer.js

@@ -17,8 +17,9 @@ var dw_locktimer = {
      */
     init: function(timeout,draft){ //FIXME which elements to pass here?
         var $edit = jQuery('#wiki__text');
-        if(!$edit.length) return;
-        if($edit.attr('readonly')) return;
+        if($edit.length === 0 || $edit.attr('readonly')) {
+            return;
+        }
 
         // init values
         dw_locktimer.timeout  = timeout*1000;
@@ -26,10 +27,12 @@ var dw_locktimer = {
         dw_locktimer.lasttime = new Date();
 
         dw_locktimer.pageid   = jQuery('#dw__editform input[name=id]').val();
-        if(!dw_locktimer.pageid) return;
+        if(!dw_locktimer.pageid) {
+            return;
+        }
 
         // register refresh event
-        jQuery('#wiki__text').keypress(dw_locktimer.refresh);
+        $edit.keypress(dw_locktimer.refresh);
         // start timer
         dw_locktimer.reset();
     },
@@ -66,30 +69,29 @@ var dw_locktimer = {
      * Called on keypresses in the edit area
      */
     refresh: function(){
-        var now = new Date();
-        var params = {};
-        // refresh every minute only
-        if(now.getTime() - dw_locktimer.lasttime.getTime() > 30*1000){
-            params['call'] = 'lock';
-            params['id'] = dw_locktimer.pageid;
+        var now = new Date(),
+            params = 'call=lock&id=' + dw_locktimer.pageid + '&';
 
-            if(dw_locktimer.draft && jQuery('#dw__editform textarea[name=wikitext]').length > 0){
-                params['prefix'] = jQuery('#dw__editform input[name=prefix]').val();
-                params['wikitext'] = jQuery('#dw__editform textarea[name=wikitext]').val();
-                params['suffix'] = jQuery('#dw__editform input[name=suffix]').val();
-                if(jQuery('#dw__editform input[name=date]').length > 0) {
-                    params['date'] = jQuery('#dw__editform input[name=id]').val();
-                }
-            }
+        // refresh every minute only
+        if(now.getTime() - dw_locktimer.lasttime.getTime() <= 30*1000) {
+            return;
+        }
 
-            jQuery.post(
-                DOKU_BASE + 'lib/exe/ajax.php',
-                params,
-                dw_locktimer.refreshed,
-                'html'
-            );
-            dw_locktimer.lasttime = now;
+        // POST everything necessary for draft saving
+        if(dw_locktimer.draft && jQuery('#dw__editform textarea[name=wikitext]').length > 0){
+            params += jQuery('#dw__editform').find('input[name=prefix], ' +
+                                                   'textarea[name=wikitext], ' +
+                                                   'input[name=suffix], ' +
+                                                   'input[name=date]').serialize();
         }
+
+        jQuery.post(
+            DOKU_BASE + 'lib/exe/ajax.php',
+            params,
+            dw_locktimer.refreshed,
+            'html'
+        );
+        dw_locktimer.lasttime = now;
     },
 
     /**
@@ -100,7 +102,9 @@ var dw_locktimer = {
         data = data.substring(1);
 
         jQuery('#draft__status').html(data);
-        if(error != '1') return; // locking failed
+        if(error != '1') {
+            return; // locking failed
+        }
         dw_locktimer.reset();
     }
 };