// UpdateApplet.java

import  java.applet.*;
import  java.awt.*;

public
    class   UpdateApplet
    extends Applet
    {
    private Button          oButtonUpdate;
    private DbManager       oDbManager;
    private ObjectApplet    oAppletNew;
    private ObjectApplet    oAppletOld;
    private String          oStringTable;

// CONSTRUCTORS

    public
        UpdateApplet
        (
        DbManager       poDbManager,
        String          poStringTable,
        ObjectWithUI    poObjectOld,
        ObjectWithUI    poObjectNew
        )
        {
        init(poDbManager,poStringTable,poObjectOld,poObjectNew);
        }

// PUBLIC METHODS

    public
        boolean handleEvent
        (
        Event   poEvent
        )
        {
        boolean t = false;
        int i;
        if (t =     poEvent.target  == oButtonUpdate
                &&  poEvent.id      == Event.ACTION_EVENT)
            try {
                i = oDbManager.dbUpdate(oStringTable,
                                        oAppletOld.getObject(),
                                        oAppletNew.getObject());
                }
                catch (Exception e)
                    {
                    e.printStackTrace();
                    };
        return t ? t : super.handleEvent(poEvent);
        }

    public
        void            init
        (
        DbManager       poDbManager,
        String          poStringTable,
        ObjectWithUI    poObjectOld,
        ObjectWithUI    poObjectNew
        )
        {
        init();
        oDbManager      = poDbManager;
        oStringTable    = poStringTable;
        oAppletNew      = poObjectNew.getUI();
        oAppletOld      = poObjectOld.getUI();
        oButtonUpdate   = new Button("Update");
        add(oAppletOld);
        add(oAppletNew);
        add(oButtonUpdate);
        }
    }