public DrawingPad() {
super(true);
// Add the mouse sensor
mouse = new MouseSensorAction(this);
// add the properties update listeners
this.addMouseListener(new PropertyUpdateAction());
// start the painter thread
new Painter().start();
// other intializations
circuit = new DigitalCircuit();
this.setCursor(DigitalShape.DEFAULT_CURSOR);
this.setBackground(Color.WHITE);
circuit.setDrawingPad(this);
}
public void add(DigitalShape s) {
circuit.setDrawingPad(this);
circuit.add(s);
}
public void setCircuit(DigitalCircuit circuit) {
this.circuit = circuit;
circuit.setDrawingPad(this);
repaint();
}