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Loading Resource via Filechooser [message #1783761]

Fri, 16 March 2018 12:27

Eclipse User

Hi again
I am trying to add a Filechooser to my EMF Parsley Project
I've tried it like this

configurator {
		resourceURI {
			TreeformSaveableTreeFormView -> {
				val fc = new FileChooser(null, SWT.NONE);
				return URI.createFileURI(sd.open() as String);
			}
		}
	}

and hoped it would just open the dialog, but that's not the case.
So now I don't realy know how I should implement it.

Re: Loading Resource via Filechooser [message #1783845 is a reply to message #1783761]

Mon, 19 March 2018 06:21

Eclipse User

Hi

do you get any specific error?
you pass null as the shell to file chooser I guess, is that supposed to work in FileChooser?

Note that this use case hasn't been taken into consideration at the moment.

Re: Loading Resource via Filechooser [message #1784473 is a reply to message #1783845]

Wed, 28 March 2018 07:17

Eclipse User

I don't get any Error
null should work with the FileChooser, but even if i pass a new Shell i don't get any responses

Re: Loading Resource via Filechooser [message #1784784 is a reply to message #1784473]

Wed, 04 April 2018 03:42

Eclipse User

nothing in the "Error Log" view?

Re: Loading Resource via Filechooser [message #1784804 is a reply to message #1784784]

Wed, 04 April 2018 06:10

Eclipse User

By the way, where does FileChooser come from?
Note that you assign it to "fc" but then you call open on "sd"...

Re: Loading Resource via Filechooser [message #1784806 is a reply to message #1784804]

Wed, 04 April 2018 06:14

Eclipse User

I've just tried with org.eclipse.swt.widgets.FileDialog:

configurator {
		resourceURI {
			TreeformSaveableTreeFormView -> {
				val fc = new FileDialog(site.shell, SWT.OPEN);
				val result = fc.open();
				return URI.createFileURI(result);
			}
		}
...

and this works out of the box, as expected: the first time you open the view the dialog shows up

Re: Loading Resource via Filechooser [message #1785116 is a reply to message #1784806]

Mon, 09 April 2018 12:34

Eclipse User

That worked for me too
thanks

What does the site reference to?

Re: Loading Resource via Filechooser [message #1785329 is a reply to message #1785116]

Thu, 12 April 2018 10:58

Eclipse User

That is the syntactic sugar from Xbase (the Java-like expression language the Parsley DSL is based on): it stands for getSite().getShell() : the code block is passed a paremeter "it" of the same type of the type before the arrow (in this example, TreeformSaveableTreeFormView), that can be used in the block. "it" can always be used as an implicit receiver (like "this"). Summarizing, "site.shell" is the short form of "it.getSite().getShell()" (and getSite() comes from the fact that a View has such a method).

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