Package jsynoptic.plugins.java3d.tree

Source Code of jsynoptic.plugins.java3d.tree.ReferenceNode$ExpandAction

/* ========================
* JSynoptic : a free Synoptic editor
* ========================
*
* Project Info:  http://jsynoptic.sourceforge.net/index.html
*
* This program is free software; you can redistribute it and/or modify it under the terms
* of the GNU Lesser General Public License as published by the Free Software Foundation;
* either version 2.1 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*
* (C) Copyright 2001-2007, by :
*     Corporate:
*         EADS Astrium
*     Individual:
*         Claude Cazenave
*
* $Id: ReferenceNode.java,v 1.5 2008/12/17 22:37:53 cazenave Exp $
*
* Changes
* -------
* 14 janv. 08  : Initial public release
*
*/
package jsynoptic.plugins.java3d.tree;

import java.awt.event.ActionEvent;
import java.util.ArrayList;

import javax.media.j3d.SceneGraphObject;

import jsynoptic.plugins.java3d.GraphObjectReference;
import jsynoptic.plugins.java3d.Universe;

/**
* A node to display a reference to a scene graph object
*/
public class ReferenceNode extends AbstractNode {

    // required for dynamic node creation
    public ReferenceNode(Tree tree, Object graphObject, boolean getChildren) {
        super(tree, graphObject, getChildren);
        GraphObjectReference gn = (GraphObjectReference) getGraphObject();
        // by default name is equal to class name
        String n = (gn.getObject() == null) ? "" : gn.getObject().getClass()
                .getName();
        int k = n.lastIndexOf('.');
        _name = n.substring(k + 1);
        _icon = getIcon(gn.getObject());
        _description = getDescription(gn.getObject());
    }

    public String getName() {
        GraphObjectReference gn = (GraphObjectReference) getGraphObject();
        String sgoName = (gn.getObject()).getName();
        if (sgoName != null) {
            return "-> " + _name + "[" + sgoName + "]";
        } else {
            return "-> " + _name;
        }
    }

    /*
     * (non-Javadoc)
     *
     * @see jsynoptic.plugins.java3d.tree.AbstractNode#getSceneGraphChildren(java.util.ArrayList)
     */
    @Override
    protected void getSceneGraphChildren(ArrayList<Object> list) {
        // none
    }

    public static class ExpandAction extends AbstractNodeAction {

        // required for dynamic action creation
        public ExpandAction() {

        }

        @Override
        public void actionPerformed(ActionEvent e) {
            ArrayList<SceneGraphObject> sgos = new ArrayList<SceneGraphObject>();
            GraphObjectReference gn = (GraphObjectReference) getNode()
                    .getGraphObject();
            Universe u = Universe.getGraphPath(gn.getNode(), gn.getObject(),
                    sgos);
            if(u!=null){
                getNode().getTree().expand(sgos, u);
            }
            else{
                System.err.println("Can not expand "+gn.getObject()+" node is missing");
            }
        }
    }

    public Object[] getActions() {
        Object[] res = { ExpandAction.class };
        return res;
    }

}
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