private void CloseBtnActionPerformed(
     java.awt.event.ActionEvent evt) { // GEN-FIRST:event_CloseBtnActionPerformed
   modelController.changeNameOfProperty(node, this.NameTxt.getText());
   modelController.changeDescriptionOfProperty(node, this.DescriptionArea.getText());
   modelController.changeLowervalueOfProperty(
       node, Integer.parseInt(this.lowervalueTxt.getText()));
   modelController.changeHighervalueOfProperty(
       node, Integer.parseInt(this.highervalueTxt.getText()));
   if (propertyTypeComboBox.getSelectedItem() != null)
     modelController.changeTypeOfProperty(node, propertyTypeComboBox.getSelectedItem().toString());
   this.dispose();
 } // GEN-LAST:event_CloseBtnActionPerformed