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

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]>:

> 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]]
> *Sent:* mercredi 2 décembre 2015 10:57
> *To:* [email protected]
> *Subject:* [platform-dev] Re: TopComponent/setActivatedNodes not workin
> with a given layer.xml file.
>
>
>
> Try this in your FileSupportDataObject:
>
>
>
>  // 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]>:
>
> 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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