// $Id: ChildGenFind.java 16523 2009-01-05 18:30:24Z tfmorris $
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package org.argouml.uml.cognitive;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Enumeration;
import java.util.List;
import org.argouml.kernel.Project;
import org.argouml.model.Model;
import org.tigris.gef.base.Diagram;
import org.tigris.gef.util.ChildGenerator;
/**
* Convenience class gives critics access to parts of the project.
*
* It defines a gen() function that returns the "children" of any given part of
* the UML model. It traverses a Project to Diagrams and Models, then uses
* getModelElementContents to traverse the Models. <p>
*
* @deprecated for 0.28 by tfmorris. Use GEF-free variant
* {@link ChildGenSearch}.
* @stereotype singleton
* @author jrobbins
* @deprecated for 0.26 by tfmorris. Use {@link org.argouml.ui.ChildGenSearch}.
*/
@Deprecated
public class ChildGenFind implements ChildGenerator {
private static final ChildGenFind SINGLETON = new ChildGenFind();
/**
* Reply a Collection of the children of the given Object
*
* @see org.tigris.gef.util.ChildGenerator#gen(java.lang.Object)
*/
public Enumeration gen(Object o) {
List res = new ArrayList();
if (o instanceof Project) {
Project p = (Project) o;
res.addAll(p.getUserDefinedModelList());
res.addAll(p.getDiagramList());
} else if (o instanceof Diagram) {
Diagram d = (Diagram) o;
res.addAll(d.getGraphModel().getNodes());
res.addAll(d.getGraphModel().getEdges());
} else if (Model.getFacade().isAModelElement(o)) {
res.addAll(Model.getFacade().getModelElementContents(o));
}
return Collections.enumeration(res);
}
/**
* @return Returns the SINGLETON.
*/
public static ChildGenFind getSingleton() {
return SINGLETON;
}
}