Nice work :). This would make a good contribution to wicket-minis.
After that, if you could whip up one with autocomplete instead of
refresh, that would be great too :)
best,
jim
On 6/6/07, Scott Swank <[EMAIL PROTECTED]> wrote:
> I think that forms and tables seem awfully verbose when you first
> start Wicket. A wiki page or two taking an example of such through a
> reasonable evolution to some short, tight code would be nice. I have
> an old e-mail thread where Igor does exactly that, helping me. I'll
> put it together into such a page. Where would y'all like it?
>
> On a second point, Wicket's behaviors are insanely useful but
> under-advertised. We let customers buy a variety of products and then
> we generate a form where the customer fills in the name of the person
> picking up the show tickets, the club passes, checking into the hotel,
> etc. The first & last names are often the same and I was _easily_
> able to create a behavior that I add to all of the first name fields
> that propagates the model from one first name to all of the other
> first names (and of course another for the last name). I can't
> imagine creating new, reusable functionality that easily in any other
> framework.
>
> (Don't confuse the enum method name() with the name property of the
> behavior...)
>
>
> package com.vegas.ui.wicket.behaviors;
>
> import wicket.Component;
> import wicket.Component.IVisitor;
> import wicket.ajax.AjaxRequestTarget;
> import wicket.ajax.form.AjaxFormComponentUpdatingBehavior;
> import wicket.markup.html.form.FormComponent;
>
> public class ModelPropagationBehavior extends
> AjaxFormComponentUpdatingBehavior
> {
> private static final long serialVersionUID = -451063727688504933L;
>
> public enum PREBUILT
> {
> FIRST_NAME, LAST_NAME;
>
> public ModelPropagationBehavior getBehavior()
> {
> return new ModelPropagationBehavior(name());
> }
> }
>
> private final String name;
>
> public ModelPropagationBehavior(String n)
> {
> super("onblur");
> this.name = n;
> }
>
> private String getName()
> {
> return name;
> }
>
> private boolean hasMatchingBehavior(Component component)
> {
> for (Object behavior : component.getBehaviors())
> {
> if (behavior instanceof ModelPropagationBehavior
> && ((ModelPropagationBehavior)
> behavior).getName().equals(this.name))
> return true;
> }
>
> return false;
> }
>
> @Override
> protected void onUpdate(final AjaxRequestTarget target)
> {
> final FormComponent thisComponent = getFormComponent();
>
> thisComponent.getForm().visitChildren(new IVisitor()
> {
> public Object component(Component otherComponent)
> {
> if (otherComponent.equals(thisComponent))
> return
> CONTINUE_TRAVERSAL_BUT_DONT_GO_DEEPER;
>
> if (hasMatchingBehavior(otherComponent)
> &&
> otherComponent.getModelObjectAsString().isEmpty())
> {
>
> otherComponent.setModelObject(thisComponent.getModelObject());
> target.addComponent(otherComponent);
> return
> CONTINUE_TRAVERSAL_BUT_DONT_GO_DEEPER;
>
> }
> return CONTINUE_TRAVERSAL;
> }
> });
> }
> }
>
>
> On 6/6/07, Peter Thomas <[EMAIL PROTECTED]> wrote:
> > I think I will echo Eelco in wishing you all the best with Struts2.
> >
> > Only thing I could summarize from this mail chain is that, maybe Wicket
> > needs that one extra out-of-the-box extension of ListView that you can do
> > say addColumn(String) and will use a Label by default?
> >
> > Otherwise as I said earlier, it is a waste of time trying to reverse
> > pre-conceived notions about which is *THE* UI framework to use. Or if you
> > can point out anything obvious that the docs or examples are missing, I
> > guess that can be looked into as well.
> >
> > Thanks,
> >
> > Peter.
> >
> >
> >
> > On 6/6/07, Florian Hehlen < [EMAIL PROTECTED]> wrote:
> > > Hi John,
> > >
> > > John Krasnay wrote:
> > > > Amongst Wicket's many advantages, the following stand out for me:
> > > >
> > > > - The ability to encapsulate UI components, including all required
> > > > markup, CSS, Javascript, and localization files, into shared JARs on
> > > > the classpath. Having a shared component library is key to our team,
> > > > since we tend to develop many small Web apps.
> > > >
> > > > - The ability to aggregate smaller components into larger and more
> > > > complex ones. This allows us to create much richer pages, since we can
> > > > think at an appropriate level of abstraction: I can just throw our
> > > > standard page banner component on a page without thinking about the
> > > > fact that it contains a logo, the app title, and a list of global
> > > > navigation links. (In fact, it's even simpler than that. The banner is
> > > > added by the base page that each app page extends.)
> > > >
> > > > - The fact that the same principles of a component tree and markup
> > > > inheritance work from the smallest components right up to the entire
> > > > page. This is very different from most Model2 frameworks, where you
> > > > need something like SiteMesh or Tiles to add common banners and
> > > > navbars to pages, and from JSF, where the internal structure of
> > > > components is very different that the way they are composed into
> > > > pages.
> > > >
> > >
> > > I agree with you that these are some of the strongest benefits of
> > > Wicket. In my experience these facts were seen as a disadvantage... and
> > > I am still trying to figure out why? My group is a very strong OOP group
> > > yet the fully contained component advantage of Wicket was not appealing.
> > > The only reason I can find for these irrational conclusion is that the
> > > Model 2 frameworks out there have defined themselves as THE proper web
> > > implementation of MVC.
> > >
> > > Furthermore, our need for web-apps are peripheral to our main business.
> > > We typically need to put together many small support web-applications.
> > > so, Having a re-usabble set of components which require zero-config
> > > would have been a great advantage.
> > >
> > > florian
> > >
> > >
> > >
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> >
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> >
>
>
> --
> Scott Swank
> reformed mathematician
>
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