class Menu {
  String name;
  int item;
  int x;
  int y;
  boolean dropDown;

  public Menu(String name, int x, int y, int item) {
    this.name = name;
    this.item = item;
    this.x = x;
    this.y = y;
    this.dropDown = false;
  }
  
  void draw() {
    rectMode(CORNER);
    textAlign(LEFT, CENTER);
    text(name + "-axis:", x, y);

    strokeWeight(1);
    fill(255);
    rect(x + 10, y + 10, 130, 20);

    fill(0);
    textAlign(LEFT, TOP);
    text(menuItems[item], x + 15, y + 15);

    if (dropDown)
      drawDropDown();
  }


  void drawDropDown() {
    dropDown = true;
    
    // draw all buttons
    strokeWeight(1);
    fill(255);
    rect(x + 10, y + 30, 130, menuItemCount * 20);

    fill(0);
    textAlign(LEFT, TOP);
    for (int i = 0; i < menuItemCount; i++) {
      text(menuItems[i], x + 15, y + 35 + i * 20);
    }

    
    
  }
  
  int getItem() {
    return item;
  }
  
  
  boolean clicked() {
    return (mouseX > x) && (mouseX < x + 130) && (mouseY > y + 10) && (mouseY < y + 30);
  }
  
  boolean isDropDown() {
    return dropDown;
  }
  
  void closeDropDown() {
    dropDown = false;
    
    // pick new menu item
    if ((mouseX > x + 5) && (mouseX < x + 130) && (mouseY > y + 30) && (mouseY < y + 30 + menuItemCount * 20)) {
      item = (mouseY - y - 30) / 20;
      
      // recalculate stats
      if (name.equals("x")) {
        xStats.calculate(xMenu.getItem());
        xAxisMin = xStats.getMin();
        xAxisMax = xStats.getMax();
      }
      
      if (name.equals("y")) {
        yStats.calculate(yMenu.getItem());
        yAxisMin = yStats.getMin();
        yAxisMax = yStats.getMax();
      }
      
      // reset zoom
      if (zoomOutButton.isDisplay())
        zoomOutButton.reset();

    }
  }
  
  
}