import cs101.canvas.*;

// Name:
// Lab Section:
// Primary TA:
// Email:
// Date:
// CS101 Lab 2
// MousePad.java

// Summary of your activity in this file:
//    Implement getGesture as described in the handout
//    Implement a nice toString
//

public class MousePad {
   CS101Canvas display;
   String title;

   public MousePad(String title) {
      this.display = new CS101Canvas();
      this.title   = title;
      display.setLabel1("Title:");
      display.setLabelText1(title);
   }

   public MousePad() {
      this("Nifty MousePad");   // Calls the other constructor
   }

   // Fill in the following method so that it takes two
   // mouse clicks and returns a DirectionVector that represents
   // their difference.

   public DirectionVector getGesture() {
      DirectionVector ans;

      Position p = display.click();
      Position q = display.click();

      ans = new DirectionVector(q.x-p.x,q.y-p.y);

      return ans;
   }

   public void setInstruction(String s) {
      display.setInstruction(s);
   }

   public String toString() {
      String ans = "Mouse Pad \"" + title + "\"";
      return(ans);
   }
}