[kepler-dev] Disabling run....

Edward A Lee eal at eecs.berkeley.edu
Thu Sep 23 17:03:24 PDT 2004


I suggest looking at the WirelessSound detection demo in
the quick tour. In particular, the GraphicalLocator actor
changes its icon during the run of the model...

Edward

At 10:58 AM 9/23/2004 -0500, Rod Spears wrote:
>If I try to change the icon this way:
>
>_attachText("_iconDescription", getReadyIcon());
>
>The icon doesn't update visually unless I grab it and move it. Should I be 
>changing the icon is a different manner?
>
>Rod
>
>Edward A Lee wrote:
>
>>At 08:39 AM 9/23/2004 -0500, Rod Spears wrote:
>>
>>>Is there a way to actually stop or delay a model from running when all 
>>>the actors are not yet ready?
>>
>>
>>Sure... Write the actor so it doesn't return from initialize() until
>>it's ready... Each run of a model proceeds in an independent thread,
>>so this shouldn't hang up the UI.  You probably want to time out,
>>however, and also check for the stop button being pushed (the
>>protected variable _stopRequested from ptolemy.actor.AtomicActor
>>is available to all atomic actors...
>>
>>
>>>Also, (just so the question doesn't get lost) is there an example of an 
>>>actor interacting with the progress meter? Or is that not possible 
>>>because of your previous statment.
>>
>>
>>I don't know of such an example, but I'm sure it's possible.
>>The hard part is going to be to obtain somehow a reference to the
>>progress meter.  The actor by default has no references that lead
>>to the UI, since this will create a dependence in the Java code.
>>
>>Looking at the following actor will show how you can
>>get a reference to the TableauFrame, which is the top-level window
>>displaying the actor:
>>
>>   ptolemy.vergil.actor.lib.VisualModelReference
>>
>>The TableauFrame is a subclass of ptolemy.gui.Top, which contains
>>an instance of ptolemy.gui.StatusBar, which contains the progress
>>bar...
>>
>>On quick glance, however, I'm not sure the API of Top is rich enough
>>to give access to the StatusBar... It probably needs one or more
>>methods to control what is displayed there... If you suggest changes,
>>I'll gladly fold them in (assuming they conform with our style guide ;-)
>>
>>Edward
>>
>>
>>
>>------------
>>Edward A. Lee, Professor
>>518 Cory Hall, UC Berkeley, Berkeley, CA 94720
>>phone: 510-642-0455, fax: 510-642-2739
>>eal at eecs.Berkeley.EDU, http://ptolemy.eecs.berkeley.edu/~eal

------------
Edward A. Lee, Professor
518 Cory Hall, UC Berkeley, Berkeley, CA 94720
phone: 510-642-0455, fax: 510-642-2739
eal at eecs.Berkeley.EDU, http://ptolemy.eecs.berkeley.edu/~eal




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