Hi thanks for your response but i don't get it :-(
Can you make an example with pseudo code? Thanks
On 27 Sep., 02:09, Dominik Steiner <dominik.j.stei...@googlemail.com>
wrote:
> Hi ojay,
>
> did you try to make your KeyListener an anonymous class so that you
> can reference from within it the formList and then change the
> selection of the ListBox by using the method
>
> formList.setSelectedIndex(int index);
>
> HTH
>
> Dominik
>
> On 25 Sep., 17:07, ojay <oliver.ja...@googlemail.com> wrote:
>
> > Hi,
>
> > after I read the intro to gwt in practice and looking around on the
> > gwt site I just started my first steps with gwt and now I'm stuck.
>
> > I guess its an easy question for you guys...
>
> > I have a textbox and a listbox in my project. Now I added a
> > KeyPressHandler to the textbox so that I can do something if somebody
> > types in. I want to use this textbox input as a filter for the shown
> > values in the listbox. So now what I do not know is, how can I
> > initialize a change of the Listbox from my KeyPressHandler ??
>
> > Here my Module
>
> > public void onModuleLoad() {
> > // Create a tab panel with three tabs, each of which
> > displays a
> > different
> > // piece of text.
> > KeyPressHandler changeFormFilter = new FormFilterChanger();
>
> > VerticalPanel formSelectPanel = new VerticalPanel();
> > formSelectPanel.setSize("150px", "400px");
>
> > TextBox formFilterBox = new TextBox();
> > formFilterBox.setFocus(true);
> > formFilterBox.setSize("150px", "20px");
>
> > formFilterBox.addKeyPressHandler(changeFormFilter);
> > formFilterBox.addChangeHandler(handler)
>
> > ListBox formList = new ListBox(false);
> > formList.setVisibleItemCount(10);
>
> > for ( int i = 0; i < 40; i++){
> > formList.addItem("form"+i);
> > }
> > formList.setSize("150px", "380px");
>
> > formSelectPanel.add(formFilterBox);
> > formSelectPanel.add(formList);
>
> > RootPanel.get().add(formSelectPanel);
>
> > }
>
> > and the Handler
>
> > public class FormFilterChanger implements KeyPressHandler {
>
> > @Override
> > public void onKeyPress(KeyPressEvent event) {
> > System.out.println("change"); // TODO
> > Auto-generated method stub
>
> > }
>
> > }
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