rem: if (qx.util.validator.isValidString(propValue)) { 
add: if (qx.util.Validation.isValidString(propValue)) { 
context: proto._modifyOrientation = function(propValue, propOldValue, propData){  // update fast access variables  this._layoutHorizontal = propValue == QxConst.ORIENTATION_HORIZONTAL;  this._layoutVertical = propValue == QxConst.ORIENTATION_VERTICAL;  // Layout Implementation  if (this._layoutImpl)  {    this._layoutImpl.dispose();    this._layoutImpl = null;  };  if (qx.util.validator.isValidString(propValue)) {    this._layoutImpl = this._createLayoutImpl();  };  // call other core modifier  return this._modifyLayoutOrder(propValue, propOldValue, propData);};
meta: 1005	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1005/cfcbb829f6fba5c885606fde737b1ad8b88fe740/QxBoxLayout.js/clean/qooxdoo/source/script/widgets/QxBoxLayout.js