---------- Forwarded message ----------
From: Bruno Borges < [EMAIL PROTECTED]>
Date: May 12, 2006 11:34 AM
Subject: Re: [Wicket-user] Re: Problem loading DatePicker inside Panel through AjaxLink
To: wicket-user@lists.sourceforge.net
I just had an idea: how about require the programmer to inform the current page instance to "register" all Ajax components he pretends to use, _before_ using them? This way the Ajax component could return to the page everything it's going to need and then the page can load .js, .css, whatever in the <head> section.
Like this:
class SomePage extends WebPage() {
<constructor> {
registerComponentHead(((Component) new DatePicker()).getContributedHead());
AjaxLink a = new AjaxLink() {
<event> {
Panel p = new SomePanelWithDatePicker();
.... // replace and add panel 'p'
}
}
}
And at Component class, we could encapsulate Head in another class, and make that method getContributedHead returning Head[].
A Head instance must have information about _javascript_s and other resources/meta info, that can only be useful at <head> section.
I know this sounds a little strange, because the possibility of adding panels through reflection (coming from the database maybe?) but the programmer must be careful anyway. But I think that this is the mostly clean way. :)
What you guys think?
Like this:
class SomePage extends WebPage() {
<constructor> {
registerComponentHead(((Component) new DatePicker()).getContributedHead());
AjaxLink a = new AjaxLink() {
<event> {
Panel p = new SomePanelWithDatePicker();
.... // replace and add panel 'p'
}
}
}
And at Component class, we could encapsulate Head in another class, and make that method getContributedHead returning Head[].
A Head instance must have information about _javascript_s and other resources/meta info, that can only be useful at <head> section.
I know this sounds a little strange, because the possibility of adding panels through reflection (coming from the database maybe?) but the programmer must be careful anyway. But I think that this is the mostly clean way. :)
What you guys think?
On 5/9/06, Igor Vaynberg <
[EMAIL PROTECTED]> wrote:
well, my concern is to make this automatic.
for example:
when a component contributes <script>func whatever() { }</script> through <wicket:head> that contribution needs to magically merge.
or when a component contributes <style>a { color:red; }</style> that also has to magically get merged
but from what i have seen there is no way to do that, you first have to transform these kinds of outputs into a more dynamic version that can then be merged using _javascript_, etc...which is a huge pain.
im not sure how to proceed at all.
-IgorOn 5/9/06, Rüdiger Schulz <[EMAIL PROTECTED]> wrote:Hello Igor
not sure how iframes behave here, but it is possible to call
_javascript_ functions in one frame, which is defined in another frame,
which then again can do anything with the calling frame. Done this a
couple of years ago (when frames where still en vogue ;), but as it
turned out, nothing like that will be necessary to solve our problem
here :-)
--
greetings from Berlin,
Rüdiger Schulz
Igor Vaynberg wrote on 04.05.2006 at 19:28:
> i guess there can be a hidden iframe, but then the loaded js will
> not be part of the page because frames are isolated, no?
> -Igor
> On 5/4/06, Rüdiger Schulz <[EMAIL PROTECTED]> wrote:
>> in that case i dont see how you can ever make this work in xhtml
>> unless you refresh the entire page.
> A twisted "solution" using an invisible frame loading only JS comes to
> mind ;-)
> - Rüdiger
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-------------------------------------------------------
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Get stuff done quickly with pre-integrated technology to make your job easier
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--
Bruno Borges
Summa Technologies
Bruno Borges
Summa Technologies
--
Bruno Borges
Summa Technologies
