[kepler-dev] subclassing actors: ptolemy.actor.lib.MonitorValue

[Christopher Brooks]

Hi Paul,
ptolemy/actor/lib/genericsinks.xml defines the icon:

<entity name="MonitorValue" class="ptolemy.actor.lib.MonitorValue">
<doc>Monitor and display values</doc>
    <property name="displayWidth" class="ptolemy.data.expr.Parameter" 
value="20"/>
    <property name="_icon" class="ptolemy.vergil.icon.UpdatedValueIcon">
       <property name="attributeName" value="value"/>
       <property name="displayWidth" value="displayWidth"/>
    </property>
</entity>

I added a note to MonitorValue that refers to genericsinks.xml

_Christopher

Paul Allen wrote:
> I'm trying to add some additional functionality to 
> ptolemy.actor.lib.MonitorValue. I created a subclass BAPMonitorValue 
> that does nothing but have the BAPMonitorValue(CompositeEntity 
> container, String name) constructor calling, super(container, name). 
> When I open Kepler and use Tools->Instantiate Component and add my actor 
> to the work area, my actor looks completely different from the normal 
> MonitorValue actor.
> 
> Here's the question: How does ptolemy.actor.lib.MonitorValue get its 
> look and GUI functionality (i.e., showing it's current value)? It's not 
> defined in the ptolemy.actor.lib.MonitorValue class (or super classes) 
> as far as I can tell.
> 
> -Paul
> 
> 
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-- 
Christopher Brooks (cxh at eecs berkeley edu) University of California
Chess Executive Director                      US Mail: 337 Cory Hall
Programmer/Analyst Chess/Ptolemy/Trust        Berkeley, CA 94720-1774
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