It works!
Thanks in advance ..!
Fidel Chavarria wrote:
>
> Hi, I 've a list of filter components to make the user experience more
> confortable when he is looking at a list of issues in my app. I use
> Tapestry radiogroup component technique to enclose those filtters in a
> FilterGroup component, It works ..! but it's not stateless. when I login
> to my application as another user with a new instance of another web
> browser (to avoid browser session ) it keeps all filters applyed from a
> previous user.
>
> Environment services are not stateless ...?
> How can I avoid this behaviour ..?
>
> public class FilterGroup {
>
> private FilterContainer container = new FilterContainer() ;
>
> @Inject
> private Environment environment ;
>
> void setupRender() {
> environment.push(FilterContainer.class, container) ;
> }
>
> void afterRender() {
> environment.pop(FilterContainer.class) ;
> }
>
> public void onAction(Object[] ctx) {
> if (container.getActiveFilters().contains((String) ctx[0]))
> container.getActiveFilters().remove(ctx[0]) ;
> else {
> container.getActiveFilters().clear() ;
> container.getActiveFilters().add((String) ctx[0]) ;
> }
> }
>
> public Collection<Filter<BacklogItem>> getFilters() {
> List<Filter<BacklogItem>> filters = new
> ArrayList<Filter<BacklogItem>>()
> ;
> for (String activeFilter : container.getActiveFilters())
>
> filters.add(container.getAvailableFilters().get(activeFilter)) ;
> return filters ;
> }
> }
> **********************************************************************************
> public abstract class AbstractFilter {
>
> @Inject
> private ComponentResources resources ;
>
> @Parameter(defaultPrefix = TapestryConstants.LITERAL_BINDING_PREFIX,
> required=true)
> private String label ;
>
> @Environmental
> private FilterContainer container ;
>
> protected abstract String getFilterName() ;
>
> protected abstract Filter<BacklogItem> getFilter() ;
>
> @SetupRender
> void setupRender() {
> container.getAvailableFilters().put(getFilterName(),
> getFilter()) ;
> }
>
> void beginRender(MarkupWriter writer) {
> Link link =
> resources.createActionLink(TapestryConstants.ACTION_EVENT,
> false, getFilterName()) ;
>
> writer.writeRaw("<li>") ;
> writer.element("a", "href", link.toURI()) ;
> writer.write( container.getFilterState(getFilterName()) ) ;
> writer.write(label) ;
> writer.end() ;
> writer.writeRaw("</li>") ;
> }
>
>
>
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