Timeline repaints when orientation is changed

src/timeline/Timeline.js

@@ -732,7 +732,8 @@ Timeline.prototype.getWindow = function setWindow() {
  * option autoResize=false
  */
 Timeline.prototype.repaint = function repaint() {
-  var options = this.options,
+  var resized = false,
+      options = this.options,
       props = this.props,
       dom = this.dom,
       editable = options.editable.updateTime || options.editable.updateGroup;
@@ -814,7 +815,6 @@ Timeline.prototype.repaint = function repaint() {
   dom.bottom.style.top              = (props.top.height + props.centerContainer.height) + 'px';
 
   // repaint all components
-  var resized = false;
   this.components.forEach(function (component) {
     resized = component.repaint() || resized;
   });

src/timeline/component/TimeAxis.js

@@ -73,6 +73,7 @@ TimeAxis.prototype.repaint = function () {
 
   // determine the correct parent DOM element (depending on option orientation)
   var parent = (options.orientation == 'top') ? this.timeline.dom.top : this.timeline.dom.bottom;
+  var parentChanged = (frame.parentNode !== parent);
 
   // update classname
   frame.className = 'timeaxis'; // TODO: add className from options if defined
@@ -118,7 +119,7 @@ TimeAxis.prototype.repaint = function () {
     parent.appendChild(frame)
   }
 
-  return this._isResized();
+  return this._isResized() || parentChanged;
 };
 
 /**