binaryGATE

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package Digital;

import java.awt.Image;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;

/**
 *
 * @author Daniel
 */
public abstract class BinaryGate  extends javax.swing.JPanel implements PropertyChangeListener{


    protected OutputTerminal output = new OutputTerminal();
    protected Terminal input0, input1;
    protected Image image;

    @Override
    protected void paintComponent(java.awt.Graphics g) {
    g.drawImage(image, 0, 0, null);
    }

public BinaryGate(String imgUrl){
        java.net.URL url = getClass().getResource(imgUrl);
        image = new javax.swing.ImageIcon(url).getImage();
        this.setSize(image.getWidth(null), image.getHeight(null));
}

    public Terminal getOutput(){
        return output;
    }

    public void setInput0(Terminal t){
    if(t == null){
        input0 = null;
    }else{
        input0 = t;
    t.addPropertyChangeListener(this);
    }
        compute();
    }

    public void setInput1(Terminal t){
    if(t == null){
        input1 = null;
    }else{
        input1 = t;
    t.addPropertyChangeListener(this);
    }
        compute();
    }

    public Terminal getInput0(){
        return input0;
    }

    public Terminal getInput1(){
        return input1;
    }

    protected abstract void compute();



    @Override
    public void propertyChange(PropertyChangeEvent evt) {
       compute();
    }

}