what the heck is this..

event_listener.go

package main

import (
	"fmt"
)

type OnClickListener interface {
	OnClick()
}

type Component struct{
	listener OnClickListener
}

func(c Component) SetOnClickListener(l OnClickListener){
	c.listener = l
}

func(c Component) Invoke(){
	c.listener.OnClick()
}

type Button struct{
	Component
}

type RadioButton struct{
	Component
}

type ButtonSendEmailListener struct{
	Data string
}

func(m ButtonSendEmailListener) OnClick(){
	fmt.Printf("Send Email %s", m.Data)
}

type ButtonRequestTwitterApi struct{
	Data string
}

func(m ButtonRequestTwitterApi) OnClick(){
	fmt.Printf("Send HTTP request twitter %s", m.Data)
}

type MockButton struct{
	Data string
}

func(m MockButton) OnClick(){
	fmt.Printf("Mock Button for Unit Testing %s", m.Data)
}

func EventButton(b Button){
	b.Invoke()
}

func main() {
	//btn1 := Button{Component{ButtonSendEmailListener{"Email To Pak Lod"}}}
	//btn1.Invoke()
	
	//btn2 := Button{Component{ButtonRequestTwitterApi{`{"username": "wuriyanto", "email": "wuriyanto@gmail.com"}`}}}
	//EventButton(btn2)
	
	mockBtn := Button{Component{MockButton{`{"some value from mock"}`}}}
	EventButton(mockBtn)	
	
}