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Last-Modified: Tue, 21 May 1996 20:08:46 GMT

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//****************************************************************************

// ---- version information ----

//

// OptionsFrame.java     v 1.00 b2

// Written by:           I. van Rienen / E-mail ivr@bart.nl

// URL:                  http://www/bart.nl/~ivr

// Initial release:           v 1.00b1 01-03-1996

//                            v 1.00b2 07-03-1996 Frame dimension adjusted

// Released in public domain: v 1.00b1 01-03-1996

//

// ---- Description ----

// Java class containing methods for the the options frame.

//

// This program and the Java source is in the public domain.

// Permission to use, copy, modify, and distribute this software

// and its documentation for NON-COMMERCIAL purposes and

// without fee is hereby granted.

//

//    Copyright 1996

//

//    Iwan van Rienen

//    Joan Maetsuyckerstr. 145

//    2593 ZG  The Hague

//    The Netherlands

//

// I am not responsible for any bugs in this program and

// possible damage to hard- or software when using this program.

//****************************************************************************

import java.awt.*;



class OptionsFrame extends Frame {

    DigSim applet;

    Scrollbar slider;



    static final int MIN_SPEED = 0;

    static final int MAX_SPEED = 1000;

    static final int PAGE_SIZE = (MAX_SPEED - MIN_SPEED) / 10;

    Checkbox ShortCircuitCheckbox;

    Checkbox LoopCheckbox;

    Checkbox AnalyzerCheckbox;



//----------------------------------------------------------------------------

// The constructor of the Options Frame

//----------------------------------------------------------------------------

    public OptionsFrame(DigSim app) {

        super("DigSim Options");

        applet = app;

        setLayout (new GridLayout(5,1,5,5));



        int SliderVal = 1010 - applet.SimulationSpeed;



        slider = new Scrollbar(Scrollbar.HORIZONTAL, SliderVal, PAGE_SIZE, MIN_SPEED, MAX_SPEED);

        Panel SliderPanel = new Panel();

        SliderPanel.setLayout (new BorderLayout());

        SliderPanel.add ("Center", new Label ("Simulation speed", Label.CENTER));

        SliderPanel.add ("West", new Label ("min", Label.LEFT));

        SliderPanel.add ("East", new Label ("max", Label.RIGHT));

        SliderPanel.add ("South", slider);

        add (SliderPanel);



        Panel CheckBoxPanel1 = new Panel();

        CheckBoxPanel1.setLayout (new BorderLayout());

        CheckBoxPanel1.add ("North", ShortCircuitCheckbox = new Checkbox("Stop simulate at short-circuit"));

        if (applet.StopAtShortCircuit) ShortCircuitCheckbox.setState(true);

        add (CheckBoxPanel1);



        Panel CheckBoxPanel2 = new Panel();

        CheckBoxPanel2.setLayout (new BorderLayout());

        CheckBoxPanel2.add ("North", LoopCheckbox = new Checkbox("Stop simulate at loop"));

        if (applet.StopAtLoop) LoopCheckbox.setState(true);

        add (CheckBoxPanel2);



        Panel CheckBoxPanel3 = new Panel();

        CheckBoxPanel3.setLayout (new BorderLayout());

        CheckBoxPanel3.add ("North", AnalyzerCheckbox = new Checkbox("Auto pop-up analyzer"));

        if (applet.AnalyzerAutoPopUp) AnalyzerCheckbox.setState(true);

        add (CheckBoxPanel3);



        Panel ButtonPanel = new Panel();

        ButtonPanel.setLayout (new FlowLayout());

        ButtonPanel.add (new Button ("OK"));

        ButtonPanel.add (new Button ("Default"));

        ButtonPanel.add (new Button ("Cancel"));

        add (ButtonPanel);



        resize(275, 225);

        show();

        resize(275, 225);

    }



//----------------------------------------------------------------------------

// Handle all events in this option frame.

//----------------------------------------------------------------------------

    public boolean handleEvent(Event ev) {

        if (ev.id == Event.WINDOW_DESTROY) {

            hide();

            applet.MyOptionsFrame = null;

            return true;

        }

        return super.handleEvent(ev);

    }



//----------------------------------------------------------------------------

// Set all sliders and checkboxes to the default values

//----------------------------------------------------------------------------

    public void SetDefaultValues() {

        slider.setValue(1000);

        ShortCircuitCheckbox.setState(true);

        LoopCheckbox.setState(true);

        AnalyzerCheckbox.setState(true);

        repaint();

    }



//----------------------------------------------------------------------------

// Set new values

//----------------------------------------------------------------------------

    public void SetNewValues() {

        int NewSpeed = 1010 - slider.getValue();

        applet.SimulationSpeed = NewSpeed;

        applet.StopAtShortCircuit = ShortCircuitCheckbox.getState();

        applet.StopAtLoop = LoopCheckbox.getState();

        applet.AnalyzerAutoPopUp = AnalyzerCheckbox.getState();

    }



//----------------------------------------------------------------------------

// Handle all actions in this Frame

//----------------------------------------------------------------------------

    public boolean action(Event ev, Object arg) {

        String FileName;

        int s;



        if (ev.target instanceof Button) {

            String label = (String)arg;

            if (arg.equals ("Default")) {

                SetDefaultValues();

                return true;

            } else if (arg.equals ("Cancel")) {

                hide();

                applet.MyOptionsFrame = null;

                return true;

            } else if (arg.equals ("OK")) {

                SetNewValues();

                hide();

                applet.MyOptionsFrame = null;

                return true;

            }

        }

        return false;

    }

}