private static JavaScriptObject configPrototype;

  static {

    init();

  }

  private static native void init()/*-{

      var c = new $wnd.Ext.ux.form.BrowseButton();

    @com.gwtextux.client.widgets.buttons.BrowseButton::configPrototype = c.initialConfig;

  }-*/;

  protected native JavaScriptObject create(JavaScriptObject config) /*-{

        return new $wnd.Ext.ux.form.BrowseButton(config);

    }-*/;

  protected JavaScriptObject getConfigPrototype() {

    return configPrototype;

  }

  public String getXType() {

    return "browsebutton";

  }

  public BrowseButton(String text) {

    setText(text);

  }

 

  public native void addListener(BrowseButtonListener listener) /*-{ 

    //calling super here clobbers BrowseButton's internal handlers which perform all the magic

    //this.@com.gwtext.client.widgets.Button::addListener(Lcom/gwtext/client/widgets/event/ButtonListener;)(listener);

      var browseButtonJ = this;

     

      this.@com.gwtext.client.widgets.Component::addListener(Ljava/lang/String;Lcom/google/gwt/core/client/JavaScriptObject;)('inputfilechange',

              function(source,filename) {

                  return listener.@com.gwtextux.client.widgets.buttons.BrowseButtonListener::onInputFileChange(Lcom/gwtextux/client/widgets/buttons/BrowseButton;Ljava/lang/String;)(browseButtonJ, filename);

              }

      );

  }-*/;

 

  // this screwed me up forever: boolean noCreate vs Boolean noCreate

  private native JavaScriptObject detachInputFile(boolean noCreate) /*-{

      var browseButtonJ = this.@com.gwtext.client.widgets.Component::getOrCreateJsObj()();

      return browseButtonJ.detachInputFile(noCreate);

  }-*/;

 

  public TextField getFileInputField() {

    return getFileField(Ext.generateId());

  }

 

  public TextField getFileInputField(String name) {

    return getFileField(name);

  }

 

  private TextField getFileField(String name) {

    JavaScriptObject inputFile = detachInputFile(false);

    ExtElement e = new ExtElement(inputFile);   

    //this is GWT 1.5 specific, lets check with users first before removing support for 1.4

    //e.getDOM().setAttribute("name", name);

    DOM.setElementAttribute(e.getDOM(), "name", name);

    TextField tf = new TextField();

    tf.setInputType("file");

    tf.setEl(e.getDOM());

    return tf;

  }

}