Put a breakpoint in Widget.removeFromParent and see why it throws that
exception (at line 204).
Apparently your display contains a parent Widget that doesn't implement the
HasWidget interface. From your code this isn't clear.
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hi,
i m having trouble with my GWT web app. i use the gwt-presenter
module and try to follow it, but it failed at entryPoint file at the
line
RootPanel.get().add(appPresenter.getDisplay().asWidget());
throw the message as:
java.lang.IllegalStateException: This widget's parent
Thanks to both, I am reviewing the entire project to understand how to
change it. Some things I had not written in the code above for
simpler, but in my project the button has the ClickListener..for
example.
Thanks for your help
Shi
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Hi Shi,
Both Dean's comments are good advice IMO in principle - I think you
definitely need to rethink your approach to this. To help out with the
specifics of your case is a little tricky because unfortunately it is
still very unclear exactly what you are trying to achieve.
OK:
> If in Login c
Encapsulate your components/Composites, go back to basic OO
principals: What is the role of this component, what methods(Actions)
does it expose, what properties are gettable/settable, what events/
Listeners does it fire. Imagine it is a "black box", base the public
API on that "service contract".
Hi, thank you for answers! So, I try to explain better.
I have a menu created by MenuHome that contains items, HOME and LOGIN.
Until yesterday I had left the code as that shown by gregor, but this
does not work as I will.
If in Login clicking on the button loginButton want to call another
Widget (
Just a note on design:
Composite is a minimalist Facade, a front to hide the implementation
details of a new component. initWidget() could be passed a Button just
as well as a complicated Panel hierarchy, it doesn't have to have a
collection of Widget children. As a facade, you should never expos
rying to
do?
regards
gregor
On Sep 20, 2:33 am, Shi <[EMAIL PROTECTED]> wrote:
> Hi!
> I'm trying to make my class MenuHome as a container through the
> abstract class com.google.gwt.user.client.ui.Composite.java but I
> have always the same problem:
> This widget's
Hi!
I'm trying to make my class MenuHome as a container through the
abstract class com.google.gwt.user.client.ui.Composite.java but I
have always the same problem:
This widget's parent does not implement HasWidgets.
In the main class I want a panel that could contain all the widge
