title: Vaadin 7 and org.vaadin.addon.customfield. package
body: <p>I have to upgrade an application from vaadin6 to vaadin7. 
  I have a problem in two classes:</p>
  
  <pre><code>import org.vaadin.addon.customfield.CustomField;
  public abstract class DictionaryItemValuesField  extends CustomField{
  </code></pre>
  
  <p>and </p>
  
  <pre><code>import org.vaadin.addon.customfield.FieldWrapper;
  public abstract class DateFieldWithTextField&lt;DF extends DateField&gt; extends FieldWrapper&lt;Date&gt; {
  </code></pre>
  
  <p>org.vaadin.addon.customfield(v1.0.0) is vaadin6 package, it uses vaacin6 packages like com.vaadin.terminal. So this package isn't supported by vaadin7. 
  So how can I migrate those two classes to vaadin7?</p>