May be we could implement a class Behaviors which provdes an interface
similar to List which provides "secure" implementations of e.g.
remove().
Juergen
On 1/26/06, Jim McLaughlin <[EMAIL PROTECTED]> wrote:
> What I would like to do have the behavior remove itself by calling
> component.getBehaviors ().remove (this); in its rendered() method (this
> is the last method called on the Behavior during the request cycle,
> right?). I don't believe this is safe since the behavior list is being
> iterated at that point. Any ideas how and where this can be done?
>
> thx,
> jim
>
> Juergen Donnerstag wrote:
> > It should be possible. Component.getBehaviors().remove(myBehavior)
> >
> > Juergen
> >
> > On 1/26/06, Martijn Dashorst <[EMAIL PROTECTED]> wrote:
> >
> >>I ran into the same question yesterday.
> >>
> >>Usecase:
> >>
> >>singleton attributemodifier.
> >>
> >>in css:
> >>.hidden {
> >> display : none;
> >>}
> >>
> >>in html:
> >><html>
> >><body>
> >><div wicket:id="foo">
> >></div>
> >><div wicket:id="bar">
> >></div>
> >></body>
> >></html>
> >>
> >>in Java:
> >>class MyModifiers {
> >> private static AttributeModifier hider = new ClassAttributeModifier();
> >> public static void hide(Component comp) {
> >> comp.add(hider);
> >> }
> >> public static void show(Component comp) {
> >> comp.remove(hider);
> >> }
> >>}
> >>
> >>class MyPage {
> >> MyPage() {
> >> MarkupContainer foo = new MarkupContainer("foo");
> >> MarkupContainer bar = new MarkupContainer("bar");
> >> if(somecondition) {
> >> MyModifiers.hide(foo);
> >> MyModifiers.show(bar);
> >> } else {
> >> MyModifiers.show(foo);
> >> MyModifiers.hide(bar);
> >> }
> >> }
> >>}
> >>
> >>On 1/26/06, Eelco Hillenius <[EMAIL PROTECTED]> wrote:
> >>
> >>>I don't really understand how/ where/ when you would do the add/
> >>>remove operation. However, I can't think of anything against the
> >>>option of removing behaviors either.
> >>>
> >>>Eelco
> >>>
> >>>
> >>>On 1/25/06, Jim McLaughlin <[EMAIL PROTECTED]> wrote:
> >>>
> >>>>Yes my behavior is smart enough not to do its transform if the
> >>>>RequestTarget isn't of the right type, but what I really want to do is
> >>>>add the behavior only if the RequestTarget is a ComponentRequestTarget,
> >>>>and then remove it once that request cycle is done. That way it is only
> >>>>there if it is needed, and not by default, and not when the user does a
> >>>>full page refresh for the next request. Like you said, it can be coded
> >>>>around. But there is a use for removing behaviors, and it would be
> >>>>pleasant to have it supported :). Should I open an rfe?
> >>>>
> >>>>thx,
> >>>>jim
> >>>>
> >>>>Eelco Hillenius wrote:
> >>>>
> >>>>>I think the best you can do is make your behavior smart enough so that
> >>>>>it doesn't do anything after it did it's transform.
> >>>>>
> >>>>>Eelco
> >>>>>
> >>>>>
> >>>>>On 1/25/06, Jim McLaughlin <[EMAIL PROTECTED]> wrote:
> >>>>>
> >>>>>
> >>>>>>Is it possible to remove a behavior from a component? I have created a
> >>>>>>MarkupEscapeTransformer and would like to remove it after the transform
> >>>>>>has occurred. If it is possible, where in the request cycle should it
> >>>>>>happen?
> >>>>>>
> >>>>>>thanks,
> >>>>>>
> >>>>>>jim
> >>>>>>
> >>>>>>
> >>>>>>
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> >>
> >>
> >>--
> >>Living a wicket life...
> >>
> >>Martijn Dashorst - http://www.jroller.com/page/dashorst
> >>
> >>Wicket 1.1 is out: http://wicket.sourceforge.net/wicket-1.1
> >>
> >>
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