Gj,
Hello.
I was looking at your tutorial (old, for NB8.1) for the RSS Reader. I
was especially looking at how you were storing new, user-created folders
and RSS feed files. However, reading through it, I was getting a little
confused, and want to make sure that I am properly understanding how
your last three code snippets are working together. First, I want to
explain how I am understanding it, then ask my questions of you.
Toward the end of the section titled "Displaying the Node Hierarchy in
the Feed Window, in Step 4, you added code to the end of the
TopComponent's constructor with the BeanTreeView and a try...catch block.
The two lines that I am particularly referring to are:
FileObject rssFeedsFolder = FileUtil.getConfigFile("RssFeeds");
Node rssFeedsNode = DataObject.find(rssFeedsFolder).getNodeDelegate();
Down further in the tutorial, you have two code blocks: the first is the
AddRssAction class and the second is the AddFolderAction class. Both of
these classes' constructors take a DataFolder object as an argument.
Now that I have laid all of that out, here is the way I am understanding
this, and I would like you to correct me if I am wrong, please.
By creating the FileObject rssFeedsFolder and getting the config file
from FileUtil, when the DataObject.find() method is called, that gets
the rssFeedsFolder object into the constructors of the two Action
classes, correct?
I do not see any other code regarding these Actions and, therefore, am
having trouble understanding how the two Action classes receive their
parameter value. With what I just explained of my understanding in the
paragraph above, am I even close to figuring this out? Or, do I need to
go back to kindergarten and re-learn reading comprehension? ;-}
Regardless of how off I am, I am determined to learn this system. I
appreciate your assistance in getting me moving in the correct direction.
Cheers,
Sean C.
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