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Re: [nebula-dev] Problem wity drawing UML(CD) with Zest in a Plug-in
|
Yes, Zest is part of GEF now, if you would like to post your question to
the GEF newsgroup I would be happy to help you out there.
Thanks,
Ian
Christopher J Gross wrote:
Hi Hamoun,
Zest is not part of Nebula. There were some initial discussion about
moving it to Nebula but I believe it finally ended up in the GEF project.
Regards,
-Chris
From: "hamoun ghanbari" <hamoun.gh@xxxxxxxxx>
To: nebula-dev@xxxxxxxxxxx
Date: 12/07/2007 04:04 AM
Subject: [nebula-dev] Problem wity drawing UML(CD) with Zest in a
Plug-in
------------------------------------------------------------------------
Hello all developers
I have a question about Zest framework. I am trying to use Zest to
draw a UML class diagram in an eclipse plugin.
1) I thought the only possible way to do so, is using pure SWT + Zest
instead of using Jface content providers. since they are not
flexible for drawing custom Node's figures. Is that so?
2) So I used SWT approach by the following code:
public class SWTGraphView extends ViewPart implements
IModelChangeListener{
private Composite parent=null;
//public Graph graph=null;
public void createPartControl(Composite parent) {
ModelBase.getInstance().addModelChangeListener(this);
this.parent=parent;
final Display d = parent.getDisplay();
Graph g = new Graph(parent, SWT.NONE);
g.setConnectionStyle(ZestStyles.CONNECTIONS_DIRECTED);
GraphNode n1 = new GraphNode(g, SWT.NONE);
GraphNode n2 = new GraphNode(g, SWT.NONE);
n1.setCustomFigure(UMLExample.createClassFigure1 ());
n2.setCustomFigure(UMLExample.createClassFigure2());
new GraphConnection(g, SWT.NONE, n1, n2);
g.setLayoutAlgorithm(new
SpringLayoutAlgorithm(LayoutStyles.NO_LAYOUT_NODE_RESIZING), true);
.........................
}
}
However, I get the following error which I do not get when using Zest
Jface examples with simple node shapes in as a plugin:
java.lang.NoClassDefFoundError:
org/eclipse/mylyn/zest/core/widgets/internal/IContainer
at java.lang.Class.getDeclaredConstructors0(Native Method)
at java.lang.Class.privateGetDeclaredConstructors(Class.java:2389)
at java.lang.Class.getConstructor0(Class.java:2699)
at java.lang.Class.newInstance0 (Class.java:326)
at java.lang.Class.newInstance(Class.java:308)
.....................
I used whatever bundling approach I knew (e.g. Require-Bundle: in
manifest file or same jar in the plug-in). Is it possible that, it is
because Zest packaging ( e.g IContainer being in internal package)? or
you think it is only classloaders and ....?
Thank you in advance for your answers,
Hamoun
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R. Ian Bull
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http://irbull.blogspot.com/
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