// From Lay Networks.com

import java.awt.*;

class DocOptions extends Panel
{

    DocOptions(Documentation documentation, BellmanFord bellmanford)
    {
        doc = new Choice();
        doc2 = new Choice();
        setLayout(new GridLayout(3, 1, 5, 0));
        grandparent = bellmanford;
        parent = documentation;
        add(new Label("DOCUMENTATION:"));
        doc.addItem("draw nodes");
        doc.addItem("remove nodes");
        doc.addItem("move nodes");
        doc.addItem("the startnode");
        doc.addItem("draw arrows");
        doc.addItem("change weights");
        doc.addItem("remove arrows");
        doc.addItem("clear / reset");
        doc.addItem("run algorithm");
        doc.addItem("step through");
        doc.addItem("example");
        doc.addItem("exit");
        doc.addItem("all items");
        add(doc);
        doc2.addItem("Choose Example: ");
        doc2.addItem("Example1:");
        doc2.addItem("Example2:");
        doc2.addItem("Example3:");
        add(doc2);
    }

    public boolean action(Event event, Object obj)
    {
        if(event.target instanceof Choice)
        {
            String s = new String(doc.getSelectedItem());
            parent.doctext.showline(s);
        }
        if(event.target instanceof Choice)
        {
            String s1 = new String(doc2.getSelectedItem());
            if(s1.equals("Example1:"))
                grandparent.graphcanvas.showexample1();
            else
            if(s1.equals("Example2:"))
                grandparent.graphcanvas.showexample2();
            else
            if(s1.equals("Example3:"))
                grandparent.graphcanvas.showexample3();
        }
        return true;
    }

    Choice doc;
    Choice doc2;
    Documentation parent;
    BellmanFord grandparent;
}