Igor,
I notice that you call detach() on your models in this example. I have
searched, but can not find where it is written when (or if) we should be
calling detach ourselves. I'm using implementations of
LoadableDetachableModel for my models that hold DB-backed domain objects. I
don't want them to be stored in the session between requests at all. How do
I make sure that happens? Should I be calling detach somewhere implicitly,
or is it handled automatically?
Thank you for all your help - it's amazing how helpful all the core team is
on the mailing list!!
Jeremy
On 5/9/07, Igor Vaynberg <[EMAIL PROTECTED]> wrote:
you can also factor out the javascript confirmation into a behavior and
reuse it across any links classes like
Link link=new Link("foo") { onclick(){..}}.add(new
LinkConfirmation("sure?"));
BookmarkablePageLink link=new BPL(...).add(new LinkConfirmation("sure?"));
-igor
public class LinkConfirmation extends AbstractBehavior {
private final IModel msg;
public LinkConfirmation(String msg) { this(new Model(msg)); }
public LinkConfirmation(IModel msg) { this.msg = msg; }
@Override
public void onComponentTag(Component component, ComponentTag tag) {
super.onComponentTag(component, tag);
String onclick = tag.getAttributes().getString("onclick");
IModel model = msg;
if (model instanceof IComponentAssignedModel) {
model = ((IComponentAssignedModel)
model).wrapOnAssignment(component);
}
onclick = "if (!confirm('" + model.getObject().toString() + "'))
return false; " + onclick;
tag.getAttributes().put("onclick", onclick);
model.detach();
msg.detach();
}
}
-igor
On 5/9/07, Shams Mahmood <[EMAIL PROTECTED]> wrote:
>
> To help reduce some code, why not extend the BookmarkablePageLink class
> to
> form your JavascriptConfirmLink and then no need to write the onclick().
>
> also try
> new JavascriptConfirmLink(id, cls, new PageParameters("method=method1"),
> msg)
>
> and the id will be used here:
> <span wicket:id="listViewId">
> <a wicket:id="theLinkId"
> href="anotherPage?method=method1">method1</a>
> </span>
> You can ignore the href, as wicket will insert it for u.
>
> I'm trying to make a page with several similar links to another page:
> >
> > <a href="anotherPage?method=method1>method1</a>
> > <a href="anotherPage?method=method2>method2</a>
> > <a href="anotherPage?method=method3>method3</a>
> >
> > This would be really easy to put into my html code, but then it
> > becomes fragile to whether or not I'm mounting my urls. I suppose I
> > could just make sure to always mount them and make sure to keep these
> > links in sync with that mapping. But let's for some reason suppose
> > that I want to inject these from my java code. I'm not sure how to do
> > this exactly. I was thinking I could do something like I outline
> > below. Actually, my links are a bit more complicated than displayed
> > above, since I would like to make sure to have a javascript
> > confirmation for each click. So I think that for each link what I
> > would need would be the class of the page they link to, and a map of
> > the parameters. So I think the code might be something like:
> >
> > class JavascriptConfirmLink extends Link {
> > JavascriptConfirmLink(id, pageClass, params, confirmationMessage) {
> > super(id);
> > _pageClass = pageClass;
> > _params = params;
> > add(new SimpleAttributeModifier("onclick", "return
> > confirm"+confirmationMessage+");");
> > }
> >
> > onClick() {
> > setResponsePage(_pageClass, _params);
> > }
> > }
> >
> > Then I'd populate my page with several of these links using this code:
> >
> > add(new ListView("theLinks", theLinks) {
> > @Override protected void populateItem(ListItem item)
> > {
> > Link link = (Link) item.getModelObject();
> > item.add(link);
> > }
> > });
> >
> > Does this look correct?
> >
> > Now I have gotten myself a little confused about a couple of things:
> > - what is the purpose of the id? Since I will be populating the page
> > with my links using a ListView, I don't see where the id of each link
> > will ever be referred to.
> >
> > Finally, creating these links is quite verbose. PageParameters is
> > final, so I can't create my links like:
> >
> > new JavascriptConfirmLink(id, cls, new PageParameters() {{
> > add("method", "method1"); }}, msg)
>
> like I'd like so I end up having to new a PageParameters for each link
> > and add to it before creating the JavascriptConfirmLink, which is
> > seeming quite verbose.
> >
> > There may be some holes in my approach. Is there a better way to do
> > this?
> >
> > Thanks,
> > Lowell
> >
> >
> >
>
>
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