need help with design to separate model and gui code?
les say i have 3 classes.
Main.java
BoxGui.java
BoxModel.java
public classBoxModel
{
BoxGui bg = new BoxGui();
public void moveBox(){
int x = bg.getX();
bg.setX(x+1);
}
}
public class BoxGui
{
int x,y,width,height;
public void paint(Graphics g){
g.drawRect(x, y, width, height);
}
}
public class Main{
BoxModel bm = new BoxModel();
BoxGui bg = new BoxGui();
...
public void paintComponent(Graphics g) {
bm.moveBox();
}
...
public void paint(Graphics g){
bg.paint(g);
}
}
I guess i dont understand which class should have which class object. for ex:
in main do we create BoxModel or BoxGui or both obj?
in BoxModel do we need to create BoxGui obj?
in BoxGui do we need to create BoxModel obj?