Ptidej-v5.2-master/POM Tests/data/ArgoUML_0.28/src/org/argouml/uml/diagram/collaboration/ui/ActionAddClassifierRole.java
// $Id: ActionAddClassifierRole.java 11516 2006-11-25 04:30:15Z tfmorris $
// Copyright (c) 1996-2006 The Regents of the University of California. All
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package org.argouml.uml.diagram.collaboration.ui;

import org.argouml.model.Model;
import org.argouml.ui.CmdCreateNode;
import org.argouml.uml.diagram.collaboration.CollabDiagramGraphModel;
import org.tigris.gef.base.Editor;
import org.tigris.gef.base.Globals;
import org.tigris.gef.graph.GraphModel;

/**
 * Action to add a classifier role to a collaboration diagram.
 * Based on org.argouml.uml.diagram.sequence.ui.ActionAddClassifierRole
 */
public class ActionAddClassifierRole extends CmdCreateNode {

    private static final long serialVersionUID = 8939546123926523391L;

    /**
     * The constructor.
     */
    public ActionAddClassifierRole() {
        super(Model.getMetaTypes().getClassifierRole(),
                "button.new-classifierrole");
    }

    /*
     * @see org.tigris.gef.graph.GraphFactory#makeNode()
     */
    public Object makeNode() {
        Object node = null;
        Editor ce = Globals.curEditor();
        GraphModel gm = ce.getGraphModel();
        if (gm instanceof CollabDiagramGraphModel) {
            Object collaboration =
                ((CollabDiagramGraphModel) gm).getHomeModel();
            node =
                Model.getCollaborationsFactory().buildClassifierRole(
                        collaboration);
        } else {
            throw new IllegalStateException("Graphmodel is not a "
                    + "collaboration diagram graph model");
        }
        return node;
    }
}
