fix for empty file in admin editor

2013-10-28 10:17:47 +01:00
parent 6599e08d32
commit 7d5cdb9220
1 changed files with 3 additions and 2 deletions
@@ -1,8 +1,9 @@
 CodeMirror.registerHelper("fold", "indent", function(cm, start) {
  var lastLine = cm.lastLine(),
      tabSize = cm.getOption("tabSize"),
-      firstLine = cm.getLine(start.line),
-      myIndent = CodeMirror.countColumn(firstLine, null, tabSize);
+      firstLine = cm.getLine(start.line);
+  if (!tabSize || !firstLine) return;
+  var myIndent = CodeMirror.countColumn(firstLine, null, tabSize);

  function foldEnded(curColumn, prevColumn) {
    return curColumn < myIndent ||