> I used T4 for a short period a long time ago, so I'm not understanding
> the parallels that you are making. Can you describe the workflow that
> you are shooting for? I'm not clear why you'd remove the breadcrumb in
> the activate event and the add it again the beginrender event.
beginRender will
: create a bookmarkable link
: store (if necessary) in the model of breadcrumbs.
onActivate gets called whenever a breadcrumb - rendered as link is clicked
and will
: remove a crumbs that are listed after the clicked link, cleaning up
the trail
I think the workflow is okay - as it is proven in T4. I'm just looking for
the correct points to hook it into T5.
Thx,
-J.
>
>
> Josh
>
> On Wed, Apr 23, 2008 at 8:19 AM, Jan Vissers <[EMAIL PROTECTED]>
> wrote:
>> Hi,
>>
>> Need some advice. In T4 I had a breadcrumb component that got its
>> information from a breadcrumb model structure. Each page that needed to
>> go
>> onto the crumb path would implement some base page class. This page
>> class
>> implemented PageRenderListener and IExternalPage. The former to add info
>> to the model and the latter to remove info from the model (btw the
>> breadcrumb model was an ASO).
>>
>> Basically the model consisted of some key, name/title and (constructed)
>> link tuple. The link basically pointed to an IExternalPage implemented
>> page class - so to be precise the whole breadcrumb path consisted of
>> bookmarkable pages.
>>
>> I'm trying to mimic this behavior with T5, using the BeginRender
>> annotation on a basepage class method called initPage() and also on the
>> basepage class a onActivate() method. I have some questions about it.
>> Below the specific base page code:
>>
>> protected String getBreadCrumbTitle() {
>> return resources.getMessages().get("title-" +
>> resources.getPageName().toLowerCase());
>> }
>>
>> protected Object[] getLinkParameters() {
>> return null;
>> }
>>
>> @BeginRender
>> public void initPage() {
>> String pageName = resources.getPageName();
>> Link link = resources.createPageLink(resources.getPageName(),
>> true, getLinkParameters());
>> breadCrumbHolder.checkBreadCrumbForAdd(pageName,
>> getBreadCrumbTitle(), link.toRedirectURI());
>> }
>>
>> public void onActivate() {
>> String pageName = resources.getPageName();
>> breadCrumbHolder.checkBreadCrumbForRemove(pageName);
>> }
>>
>> Q1: the initPage() method is there to create a 'bookmarkable' link -
>> amongst others - and store that information in the breadcrumb model. The
>> getLinkParameters() is there for a subclass to provide its specific
>> activation parameters to be used. Should I use another way to create
>> bookmarable links?
>>
>> Q2: the onActivate() method is there to remove one (or more) crumbs from
>> the crumbpath. Since other pages will also need activation - potentially
>> with additional arguments - is this onActivate() the best way/place to
>> manipulate the model? I'm getting the idea that onActivate() is not the
>> designated alternative for T4's activateExternalPage(Object[]
>> parameters,
>> IRequestCycle cycle) in IExternalPage interface.
>>
>> Currently all of this works - although haven't tested activation with
>> activation context parameters yet.
>>
>> Thx.
>> -J.
>>
>>
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>
>
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