javaFX: a custom control(made with scene builder) contain a buttom with an onAction -

javafx: custom control(made scene builder) contain buttom onaction(and other components). how can implement method when use controll in screen ?

you can provide callback can implemented. example:

public class mycontrol {     private button button;     private callback<void, void> buttoncallback;     public mycontrol() {         button.setonaction(new eventhandler<actionevent>() {              @override             public void handle(actionevent event) {                 if(getbuttoncallback() !=  null){                     getbuttoncallback().call(null);                 }              }         });       }     public callback<void, void> getbuttoncallback() {         return buttoncallback;     }     public void setbuttoncallback(callback<void, void> buttoncallback) {         this.buttoncallback = buttoncallback;     }  } 

now can provide different implementations of callback using setter.