On Thursday, January 27, 2011 5:32:52 PM UTC+1, Navigateur wrote:
>
> Before I delve, what's the most elegant way of handling the start page
> of your app? (i.e. going back to it?)
>
> Really my question is about the fact that for e.g. "page2" you have
> created a history token with the String "#page2"... but when you press
> the "back" button after this, you go back to the first page that
> has... no token? So how do you test for this?
>
> Sorry if this sounds stupid (and I haven't done it yet)... but does
> the ValueChangeHandler just give you a token with an empty String ("")
> when you do this?
>
Yes.
> If not, what's the most elegant way of including the first page in
> your history, without repeating any code, and without adding
> unnecessary items in the browser history?
The easiest way is to start your ValueChangeHandler with code like:
if (historyToken.isEmpty()) {
historyToken = DEFAULT_TOKEN;
}
or to only ever associate that "default page" with the empty token.
This is similar to whether you'd link to "/index.html" (default name used by
your web server when asked for "/") or "/" (and never ever use "index.html"
in your links).
I'd highly suggest you to use GWT 2.1 Places though!
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