// file "create3.java" when compiled yields "create3.class" 
import vrml.*;
import vrml.field.*;
import vrml.node.*;

public class create3 extends Script
{
    private SFNode the_parent;
    private MFString target_url;
    private BaseNode tmp;
    private BaseNode vrml_box [];
    private Browser b;

    public void initialize()
    {
        // get hold of the node reference
        the_parent = (SFNode) getField("parentNode");
        b = getBrowser();
    }

    public void processEvent(Event e)
    {
       // now in response to some input we want to create the new box:
        if (e.getName().equals("set_newChildren"))
           nodesReady((ConstMFNode)(e.getValue()));
        else {
           target_url = (MFString) getField("target_url");
           createNode();
        }
    }

    private void createNode()
    {
        tmp = the_parent.getValue();
        String [] urls = new String[target_url.getSize()];
        target_url.getValue(urls);
        try
          {b.createVrmlFromURL(urls, tmp, "addChildren");}
        catch(vrml.InvalidVRMLSyntaxException theError)
	  {System.out.println("caught exception");}
        
    }
    private void nodesReady (ConstMFNode nodes)
    {
        BaseNode [] node_list = new BaseNode[nodes.getSize()];
        nodes.getValue(node_list);
        // Now we need to add it to the existing scene
        MFNode add_kids = (MFNode) ((Node) the_parent.getValue() ).getEventIn("addChildren");
        // now we add this to the node directly
        add_kids.setValue(node_list);
    }
}