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

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

//

// InputPin.java         v 1.00 b1

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

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

// Initial release:

// Released in public domain:

//

// ---- Description ----

// Java class containing methods for a Input Pin

//

// 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.applet.Applet;

import java.awt.*;



class InputPin extends ComponentPin {

    boolean AlreadyInformed = false;

    int ReceivedSimulationCycleID;

    int LevelChanged = 0;

    boolean Looping = false;



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

// Constuct a new pin with the data of PinToCopy

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

    public InputPin (InputPin PinToCopy) {

        super(PinToCopy);

    }



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

// Construct a new InputPin.

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

    public InputPin (String name, int x, int y, int w, int h, int txo, int tyo, int fl) {

        super (name, x, y, w, h, txo, tyo, fl);

    }



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

// Initialize the Pin before simulating

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

    public void InitBeforeSimulate() {

        ReceivedSimulationCycleID = -1;

        LevelChanged = 0;

        Looping = false;

    }



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

// Draw the pin. Mostly of the drawing is done by the parent, ComponentPin,

// But draw a loop-symbool if this pin is looping.

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

   public void draw (Graphics g, int x, int y, int gs) {

        super.draw (g, x, y, gs);

        if (Looping) {

            int xp = PinPos.x + x;

            int yp = PinPos.y + y;



            g.setColor (Color.yellow);

            g.drawArc ((xp - 2) * gs, (int)((yp - 1.5) * gs), gs * 2, gs * 2, 0, 270);

            g.drawLine (xp * gs, (int)((yp - 0.5) * gs), (int)((xp + 0.5) * gs), (yp - 1 ) * gs);

            g.drawLine (xp * gs, (int)((yp - 0.5) * gs), (int)((xp - 0.5) * gs), (yp - 1 ) * gs);

        }

    }

}