Well, I wouldn't mind doing that. One problem I see though is that the
component depends on a base page to update the Session which also needs to
be adapted. This doesn't make it self contained,
On 6/21/07, Johan Compagner <[EMAIL PROTECTED]> wrote:
if you could come up with a nice navigation component that does this
behavior
we could maybe add this into wicket extentions if more people would like
to have such a thing
johan
On 6/21/07, Ivo van Dongen <[EMAIL PROTECTED]> wrote:
>
> Hi,
>
> Thanks again for the help. As soon as I hit the reply button it dawned
> on me, guess it's to early :)
>
> Ivo
>
> On 6/21/07, Johan Compagner <[EMAIL PROTECTED]> wrote:
> >
> > If you store the id/version of a page when it is renderd in your
> > session (in a list/stack object)
> > then you are doing exactly the same as the AccessStackPageMap would
> > do.
> >
> > You should only store the id/version not the page itself, because you
> > don't have to hold on to a reference of it you can always restore any page
> > of the current session.
> >
> > So pagex.onRender -> store the id/version in your session: now has an
> > entry of 1
> > pagey.onRender -> add the id/version of this one now has an entry of 2
> > pagez.onRender -> add the id/version of this one now has an entry of
> > 3
> >
> > then you want to go back and take the id/version of pagey and restore
> > that page for rendering.
> > if you then want to completely do the same thing remove the pagez
> > entry so that you now have 2 entries again after pagey rendered for the
> > second time
> >
> > johan
> >
> >
> > On 6/21/07, Ivo van Dongen < [EMAIL PROTECTED]> wrote:
> > >
> > > Hi,
> > >
> > > Sorry, but I don't get exactly what to do here. As I understand it
> > > you're advising me to store a separate map of Pages in the Session and
then
> > > lookup the previous Page there? Otherwise I wouldn't see how to implement
> > > the YourSession.get().getPage() method as I still can't get to the
> > > PageMap's size to use that to calculate the previous PageEntry's id. I'm
> > > probably totally missing something here :)
> > >
> > > Thanks,
> > > Ivo
> > >
> > > On 6/20/07, Johan Compagner <[EMAIL PROTECTED] > wrote:
> > > >
> > > > What i would do is a bit different.
> > > >
> > > > You want a stack of the last rendered pages?
> > > >
> > > > if you have a common BasePage then override:
> > > >
> > > > protected void onBeforeRender()
> > > >
> > > >
> > > > in that method you take your session and add a object that stores
> > > > the page id and the current version number entry.
> > > >
> > > > YourSession.get().addPageEntry(getPageMapName(), getNumericId(),
> > > > getCurrentPageVersion());
> > > >
> > > > then if you want go back:
> > > >
> > > > YourSession.get().getPage(-1)
> > > >
> > > > -1 (is the previous page) -2 skip 2
> > > >
> > > >
> > > > in that method you can get the page then:
> > > >
> > > > return PageMap.forName(pagemapname).get(pageid,versionid)
> > > >
> > > > johan
> > > >
> > > >
> > > >
> > > > On 6/20/07, Ivo van Dongen <[EMAIL PROTECTED]> wrote:
> > > > >
> > > > > Hi,
> > > > >
> > > > > We're in the middle of upgrading one of our apps from wicket
> > > > > 1.2.6 to 1.3 (finally :)). Sadly, we're running into a small
> > > > > problem which we don't know how to get around.
> > > > > In our 1.2.6 version we had an utility class to set up previous
> > > > > page links based on the PageMap. It went something like this:
> > > > >
> > > > > public static PreviousPageLink getInstance(String markupId)
> > > > > {
> > > > > PageMap pageMap = (PageMap) Session.get
> > > > > ().getDefaultPageMap();
> > > > > int size = pageMap.getAccessStack().size();
> > > > > if(size > 0) {
> > > > > PageMap.Access access = (PageMap.Access)
> > > > > pageMap.getAccessStack().get(size-1);
> > > > > Page previousPage = pageMap.getEntry(access.getId
> > > > > ()).getPage();
> > > > > ...
> > > > > }
> > > > >
> > > > > But in 1.3 the AccessStack isn't available in PageMap, only in
> > > > > AccessStackPageMap. But the PageMap used in our application is the
> > > > > SecondLevelCachePageMap which doesn't have any means to access the
list of
> > > > > PageMapEntries.
> > > > >
> > > > > Any ideas on how to work arround this? We've tried to use the
> > > > > numeric id from the page, but that seems to be zero every time.
> > > > >
> > > > > Thanks in advance,
> > > > > Ivo and Rommert
> > > > >
> > > > > --
> > > > > Ivo van Dongen
> > > > > Func. Internet Integration
> > > > > W http://www.func.nl
> > > > > T +31 20 4230000
> > > > > F +31 20 4223500
> > > > >
> > > > >
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> > > --
> > > Ivo van Dongen
> > > Func. Internet Integration
> > > W http://www.func.nl
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> --
> Ivo van Dongen
> Func. Internet Integration
> W http://www.func.nl
> T +31 20 4230000
> F +31 20 4223500
>
>
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T +31 20 4230000
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