[kepler-dev] Help with Pop Up Box in Kepler

subhav mital mital.subhav at gmail.com
Mon Mar 23 14:02:41 PDT 2009


I am using Kepler 1.0. Deleting .Kepler did not work. How could I send you
the actor? (you mean you need the source code?)


On Mon, Mar 23, 2009 at 4:18 PM, Daniel Crawl <crawl at sdsc.edu> wrote:

>
> Hi Subhav,
>
> I was unable to reproduce this. Could you send me your actor?
> Which version of kepler are you using? Also, you might try
> deleting .kepler/ and re-saving the actor in your library.
>
>  --dan
>
>
>
> subhav mital wrote:
>
>> Hey,
>>
>> After I create my actor named UserIp, I right click on it, and use the
>> 'save in library' option.
>>
>> When I try to call it (drag and drop the actor into the working window)
>> after re-opening Kepler, I get the error: "Change Failed: Cannot create
>> entity without a class name.in <http://name.in/> [external stream] at
>> line 1 column 29.
>>
>>
>> The stack trace is:
>>
>> com.microstar.xml.XmlException: Cannot create entity without a class name.
>> in [external stream] at line 1 and column 29
>> at ptolemy.moml.MoMLParser._checkForNull(MoMLParser.java:3618)
>> at ptolemy.moml.MoMLParser._createEntity(MoMLParser.java:3790)
>> at ptolemy.moml.MoMLParser.startElement(MoMLParser.java:2379)
>> at com.microstar.xml.XmlParser.parseElement(XmlParser.java:921)
>> at com.microstar.xml.XmlParser.parseContent(XmlParser.java:1104)
>> at com.microstar.xml.XmlParser.parseElement(XmlParser.java:924)
>> at com.microstar.xml.XmlParser.parseDocument(XmlParser.java:481)
>> at com.microstar.xml.XmlParser.doParse(XmlParser.java:159)
>> at com.microstar.xml.XmlParser.parse(XmlParser.java:132)
>> at ptolemy.moml.MoMLParser.parse(MoMLParser.java:1318)
>> at ptolemy.moml.MoMLParser.parse(MoMLParser.java:1446)
>> at ptolemy.moml.MoMLChangeRequest._execute(MoMLChangeRequest.java:270)
>> at ptolemy.kernel.util.ChangeRequest.execute(ChangeRequest.java:139)
>> at ptolemy.kernel.util.NamedObj.executeChangeRequests(NamedObj.java:697)
>> at ptolemy.kernel.util.NamedObj.requestChange(NamedObj.java:1668)
>> at ptolemy.actor.CompositeActor.requestChange(CompositeActor.java:1187)
>> at
>> ptolemy.vergil.basic.EditorDropTarget$DTListener.drop(EditorDropTarget.java:409)
>> at java.awt.dnd.DropTarget.drop(Unknown Source)
>> at sun.awt.dnd.SunDropTargetContextPeer.processDropMessage(Unknown Source)
>> at
>> sun.awt.dnd.SunDropTargetContextPeer$EventDispatcher.dispatchDropEvent(Unknown
>> Source)
>> at
>> sun.awt.dnd.SunDropTargetContextPeer$EventDispatcher.dispatchEvent(Unknown
>> Source)
>> at sun.awt.dnd.SunDropTargetEvent.dispatch(Unknown Source)
>> at java.awt.Component.dispatchEventImpl(Unknown Source)
>> at java.awt.Container.dispatchEventImpl(Unknown Source)
>> at java.awt.Component.dispatchEvent(Unknown Source)
>> at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
>> at java.awt.LightweightDispatcher.processDropTargetEvent(Unknown Source)
>> at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
>> at java.awt.Container.dispatchEventImpl(Unknown Source)
>> at java.awt.Window.dispatchEventImpl(Unknown Source)
>> at java.awt.Component.dispatchEvent(Unknown Source)
>> at java.awt.EventQueue.dispatchEvent(Unknown Source)
>> at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
>> at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
>> at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
>> at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
>> at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
>> at java.awt.EventDispatchThread.run(Unknown Source)
>>
>>
>> Any idea what wrong am I doing? How should you save your actor once
>> created and instantiated from Kepler?
>>
>> Thanks!
>>
>>
>> On Mon, Mar 23, 2009 at 2:44 AM, subhav mital <mital.subhav at gmail.com<mailto:
>> mital.subhav at gmail.com>> wrote:
>>
>>    Thanks for that..
>>    It worked...Kepler Rocks!
>>
>>    I can share the code or upload it for others to use.
>>
>>    Thanks..
>>
>>
>>    On Sun, Mar 22, 2009 at 12:46 AM, Peter Reutemann
>>    <fracpete at gmail.com <mailto:fracpete at gmail.com>> wrote:
>>
>>        > The working code for a pop-up box which accepts user values
>>        is given below:
>>
>>        [...]
>>
>>        > 1) Following my question about creating a pop-up box in
>>        Kepler which accepts
>>        > user input, how should I go about implementing this
>>        functionality in Kepler
>>        > ? ( The above code works on Eclipse)
>>        > 2) I need to create an actor with an output port that takes
>>        this input value
>>        > from the user and makes it available there. (So as to use
>>        this value in
>>        > conjunction with other actors such as the Display actor)
>>
>>        Just a quick stab at what the fire() method of an actor could look
>>        like (not tested whether Kepler likes user interaction):
>>
>>         /**
>>          * Lets the user enter a value and broadcasts it.
>>          *
>>          * @throws IllegalActionException If there is no director.
>>          */
>>         public void fire() throws IllegalActionException {
>>           super.fire();
>>
>>           String reply = JOptionPane.showInputDialog("Please enter
>>        value");
>>           if (reply == nul)
>>             return;
>>
>>           output.broadcast(new StringToken(reply));
>>         }
>>
>>        Your actor would be derived from ptolemy.actor.lib.Source and the
>>        output port would have to be of type STRING (defined in the
>>        actor's
>>        constructor):
>>           output.setTypeEquals(BaseType.STRING);
>>
>>        Cheers, Peter
>>        --
>>        Peter Reutemann, Dept. of Computer Science, University of
>>        Waikato, NZ
>>        http://www.cs.waikato.ac.nz/~fracpete/
>>        <http://www.cs.waikato.ac.nz/%7Efracpete/>           Ph. +64
>>        (7) 858-5174
>>
>>
>>
>> ------------------------------------------------------------------------
>>
>> _______________________________________________
>> Kepler-dev mailing list
>> Kepler-dev at kepler-project.org
>> http://mercury.nceas.ucsb.edu/kepler/mailman/listinfo/kepler-dev
>>
>>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mercury.nceas.ucsb.edu/kepler/pipermail/kepler-dev/attachments/20090323/b70ec0b3/attachment.html>


More information about the Kepler-dev mailing list