lab 13

lab/lab13/Question2/MyPanel.java

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+import java.awt.Color;
+import java.awt.Graphics;
+import java.awt.Point;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+import java.util.ArrayList;
+import javax.swing.JPanel;
+
+public class MyPanel extends JPanel {
+	private Model m;
+	private ControllerClicks c;
+
+	public MyPanel(Model m, ControllerClicks c) {
+		this.m = m;
+		this.c = c;
+
+		// add mouse listener
+		this.addMouseListener(new MouseAdapter() {
+			@Override
+			public void mouseClicked(MouseEvent e) {
+				if (e.getButton() == MouseEvent.BUTTON1) {
+					c.mouseClicked(e.getPoint());
+				}
+			}
+		});
+	}
+
+	@Override
+	protected void paintComponent(Graphics g) {
+		super.paintComponent(g);
+		ArrayList<Point> points = m.getPoints();
+		g.setColor(Color.RED);
+		if (points.size() == 1) {
+			Point p = points.get(0);
+			g.drawRect((int) p.getX(), (int) p.getY(), 1, 1);
+		} else {
+			for (int i = 1; i < points.size(); i++) {
+				Point start = points.get(i - 1);
+				Point end = points.get(i);
+				g.drawLine((int) start.getX(), (int) start.getY(), (int) end.getX(), (int) end.getY());
+			}
+		}
+	}
+}