Hey George!
Thanks a lot for the quick feedback!
I'm afraid though that I did not get some of the answers I needed:
3) How do you get the current resource (@Current as of Forge 1)? Is it context.getInitialSelection().get()? How can I check that it is of any particular type (e.g. GitIgnoreResource)?
[George]: Yes, the current resource is always retrieved using UIContext.getInitialSelection, which can be safely assigned to a UISelection<Resource<?>> variable.
[Ivan]: I did not get how can I check whether a file resource is of GitIgnoreResource type. What I can think of: check whether the current resource is file and that its name is GitIgnoreResource.RESOURCE_NAME. I'm afraid that instanceof will not work. What I am not sure is how Forge knows that a certain resource is of certain type (or more precisely: of certain subtype of FileResource)
7) How did you migrate existing completers? I see that the completer interface has changed. I am afraid I can't figure out how I can rework complete methods from Forge 1, that were using CommandCompleterState parameter. I couldn't find samples
[George]: In the UICommand.initializeUI method, you call setCompleter for the desired injected input
[Ivan]: Yes, I found how to assign a completer to an input. However I was not sure how to adapt an already existing completer, which received as parameter a CommandCompleterState object. The existing completers used that object and I don't know how to rework them to use the UIContext interface for the same purpose
2) I see that in javaee-impl you have implemented an abstract command class that exposes a class that returns the current project (or null): org.jboss.forge.addon.javaee.ui.AbstractProjectUICommand. I copy-pasted the getSelectedProject method to an abstract Git UI command class that I created just becayse I saw that addon-ui does not have access to the project API (outherwise I would put it in the AbstractUICommand class). Can we find a better place for this code? In Forge 1 we just @Inject-ed a Project instance, but now I am not sure what to do
[George]: Make your addon depend on the projects addon and you shall access these classes normally
[Ivan]: Actually I did what you proposed. But now we have one and the same "protected Project getSelectedProject(UIContext context)" method in org.jboss.forge.addon.javaee.ui.AbstractProjectUICommand and in org.jboss.forge.addon.git.ui.AbstractGitCommand. Can we find a better place for a class like AbstractProjecUICommand that is accessible from anywhere where we develop commands relying on a context of a project? Maybe in projects-impl? Both javaee and git depend on that.
And one additional question:
8) In Forge 1 every plugin had a short name that we entered on the command line. Now I see that commands have some long strings as names (e.g. "JPA: New Entity"). What does the user have to enter in the shell if they want to create a new entity?
Thanks,Ivan
On Mon, Sep 2, 2013 at 12:34 AM, George Gastaldi <ggastald@redhat.com> wrote:
Those are some excellent questions, I'll answer then inline:Exactly, this is the way to do it. We haven't migrated @RequiresProject and @RequiresResources yet, so you're doing the right thing.Hey folks!
This weekend I've been hacking on migrating the git-tools to Forge 2 (https://issues.jboss.org/browse/FORGE-1128). And I can say that I have pretty much finished the task (although I haven't started yet with the git-tools-tests, but I will do that as well).
And I have the following questions and observations:
1) How do you declare that a UI command requires to be executed in the context of a project or in a context of a certain resource? In Forge 1 we had the @RequiresProject and @RequiresResource annotations, but now we only have @RequiresFacet (I hope it works ;)). What I do here is: implement isEnabled and work with the initialSelection method of the UIContext to check what is selected. BTW I find quite more declarative approaches in Forge 1 than in Forge 2.
Right again. We prototyped in a separate branch the "command-per-method" strategy but we haven't completed it yet.
2) In Forge 1 we had one plugin class that represented a command with a lot of options as methods of that class. Did I get it right that in Forge 2 I have to create a separate UICommand implementation for every option (i.e. method) of the plugin class? I don't say it's bad, I just want to understand whether this is the way
Yes, the current resource is always retrieved using UIContext.getInitialSelection, which can be safely assigned to a UISelection<Resource<?>> variable.
3) How do you get the current resource (@Current as of Forge 1)? Is it context.getInitialSelection().get()? How can I check that it is of any particular type (e.g. GitIgnoreResource)?
There is not, but setup commands should be implemented as UICommands as you may have already noticed.
4) Is there such a thing as setup command? I think there's no need, but still I'd like to askFacets can't write messages for now, but we should consider doing it so it if makes sense.
5) If a facet has to write a message to a provider (GUI, shell), how does it do it? Commands do that via the Result object, but I didn't get how facets can. Or should they at all write anything?
You have to call UIContext.setSelection in your UICommand.execute method.6) I saw that some of the git commands in Forge 1 fire pickup events:Event<PickupResource>::fire(new PickupResource(gitIgnoreResource()));
How is this done in Forge 2. I would appreciate a sample in existing pluginIn the UICommand.initializeUI method, you call setCompleter for the desired injected input
7) How did you migrate existing completers? I see that the completer interface has changed. I am afraid I can't figure out how I can rework complete methods from Forge 1, that were using CommandCompleterState parameter. I couldn't find samplesThat would be a good idea, so it could be possible to use native git if needed.
And of course I have some questions about the git-tools implementation that have nothing to do with the migration:
1) At the moment the GitUtils class, which I have made an interface and plan to export as addon, exposes some JGit classes as parameters. Do you think it's a good idea to wrap them in our own classes like you have done with the JDT parser API for example?Make your addon depend on the projects addon and you shall access these classes normally
2) I see that in javaee-impl you have implemented an abstract command class that exposes a class that returns the current project (or null): org.jboss.forge.addon.javaee.ui.AbstractProjectUICommand. I copy-pasted the getSelectedProject method to an abstract Git UI command class that I created just becayse I saw that addon-ui does not have access to the project API (outherwise I would put it in the AbstractUICommand class). Can we find a better place for this code? In Forge 1 we just @Inject-ed a Project instance, but now I am not sure what to doBring'em on! :)
So, that's all from me for now. Next to come - the questions about the migration about the tests ;)
Cheers,Ivan_______________________________________________
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