Re: TopComponent/setActivatedNodes not workin with a given layer.xml file.

Why do you need 'setActivatedNodes' in the first place?

Gj

On 2-12-2015 18:48, Boris Heithecker wrote:
> Hello,
> if the NPE is not because Node == null, you could provide some stack 
> trace, from TopComponent.setActivatedNodes() to the NPE.
> Boris
>
> 2015-12-02 13:18 GMT+01:00 Casqueiro Gilles 
> <[email protected] <mailto:[email protected]>>:
>
>     Hi Boris,
>
>     Thanks for your reply. I had to cast the DataObject “env” to
>     FileSupportDataObject, which implements  CloneableOpenSupport.Env
>     to be able to call to call the constructor of the
>     CloneableOpenSupport. Also I wonder why you made
>     FileSupportCloneableOpenSupport static?
>
>     Unfortunately, this new code didn’t solve the problem of the
>     NullPointerException. I really think that there is a
>     problem/conflict  behind the Customization module and the
>     setActivatedNodes method. This is strange…
>
>     Were you able to reproduce it?
>
>     Gilles
>
>     *From:*Boris Heithecker [mailto:[email protected]
>     <mailto:[email protected]>]
>     *Sent:* mercredi 2 décembre 2015 10:57
>     *To:* [email protected] <mailto:[email protected]>
>     *Subject:* [platform-dev] Re: TopComponent/setActivatedNodes not
>     workin with a given layer.xml file.
>
>     Try this in yourFileSupportDataObject:
>
>       
>
>       // private FileSupportDataNode node;
>
>        //  private final InstanceContent ic = new InstanceContent();
>
>        //  private final Lookup lkp;
>
>        //  private final FileSupportCloneableOpenSupport openCloneableOpenSupport;
>
>        //  private FileSupportTopComponent tc;
>
>          
>
>          
>
>          public FileSupportDataObject(FileObject pf, MultiFileLoader loader) throws DataObjectExistsException, IOException {
>
>              super(pf, loader);
>
>        //      lkp = new ProxyLookup(getCookieSet().getLookup(), new AbstractLookup(ic));
>
>            FileSupportCloneableOpenSupport  openCloneableOpenSupport = new FileSupportCloneableOpenSupport(this);
>
>     getCookieSet().assign(OpenSupport.class,openCloneableOpenSupport);
>
>       
>
>         //     ic.add(openCloneableOpenSupport);
>
>              
>
>          }
>
>       
>
>          @Override
>
>          protected int associateLookup() {
>
>              return 1;
>
>          }
>
>       
>
>     //The method is create, not get...., the super class does the caching of the Node object
>
>          @Override
>
>          protected Node createNodeDelegate() {
>
>          //    if(node == null) {
>
>             return  new FileSupportDataNode(this, Children.LEAF, getLookup());
>
>           //   }
>
>            //  return node;
>
>          }
>
>          
>
>         // @Override
>
>        //  public Lookup getLookup() {
>
>          //    return lkp;
>
>        //  }
>
>        @Override
>
>          public void unmarkModified() {
>
>              setModified(false);     // not sure
>
>          }
>
>       
>
>          @Override
>
>          public CloneableOpenSupport findCloneableOpenSupport() {
>
>            //  return openCloneableOpenSupport;
>
>     return getLookup().lookup(CloneableOpenSupport.class);
>
>          }
>
>       
>
>          @Override
>
>          public void markModified() throws IOException {
>
>              setModified(true);      // not sure
>
>          }
>
>          
>
>       
>
>       public   static class FileSupportCloneableOpenSupport extends CloneableOpenSupport implements OpenCookie, ViewCookie, CloseCookie {
>
>       
>
>              public FileSupportCloneableOpenSupport(DataObject env) {
>
>                  super(env);
>
>              }
>
>       
>
>     //See above
>
>              @Override
>
>              protected CloneableTopComponent createCloneableTopComponent() {
>
>          //        if (tc == null) {
>
>                      return new FileSupportTopComponent(((DataObject) env).getLookup());
>
>       //           }
>
>        //          return tc;
>
>              }
>
>       
>
>              @Override
>
>              protected String messageOpening() {
>
>                  return FileSupportDataObject.this.getName() + " was opened.";
>
>              }
>
>       
>
>              @Override
>
>              protected String messageOpened() {
>
>                  return FileSupportDataObject.this.getName() + " was closed.";
>
>         
>
>     Boris
>
>     2015-12-01 11:40 GMT+01:00 Casqueiro Gilles
>     <[email protected] <mailto:[email protected]>>:
>
>     Hi everybody,
>
>     I have a NullPointer exception when I use the setActivatedNodes
>     method from a TopComponent. I was able to reproduce the problem in
>     a prototype by adding one of my modules responsible for the
>     platform customization. This module basically contains only a
>     layer.xml file and some  Wstcref and Wsmode files. I cannot figure
>     out what happens with this module that prevents setActivatedNodes
>     to work properly.
>
>     Does someone could take a look at this prototype on GitHub?
>     https://github.com/gil-c/DemoPropertiesWindowNotWorking.git. The
>     steps to reproduce the problem are described in the README.md file.
>
>     Thanks in advance
>
>     Gilles
>
>
>
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>     Le informazioni contenute in questo messaggio di posta elettronica
>     e relativi allegati sono riservate e confidenziali e ne è vietata
>     la diffusione in qualunque modo eseguita. Qualora Lei non fosse la
>     persona a cui il presente messaggio è destinato, La invitiamo ad
>     eliminarlo e a darcene gentile comunicazione.
>
>     The information contained in this e-mail and any attachments is
>     confidential and may also be privileged. If you are not the named
>     recipient please notify the sender immediately and do not disclose
>     the contents to any other person, use it for any purpose, or store
>     or copy the information in any medium.
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