Why does the view need to be a singleton ?
Anyway, when you are done with the presenter, then you need to tell it so.
In that case it can unregister any installed handlers.
David
On Thursday, September 13, 2012 8:09:30 PM UTC+2, Aryan wrote:
> Hi all,
>
> lets look at the code:
>
> public class MyView implements IMyView {
>
> Button click;
> .....
> public HasClickHandlers getClick(){
> return click;
> }
>
> }
>
>
> public class MyPresenter {
>
> public interface IMyView {
> public HasClickHandlers getClick();
> }
>
> private IMyView view;
>
> public MyPresenter(IMyView view){
> this.view = view;
> bind();
> }
>
> private void bind(){
> view.addClickHandler(new ClickHandler(){
> public void onClick(ClickEvent e){
> Window.alert("heellllo");
>
> }
> }//binds end
>
> }// class ends
>
> //(We are not using Activities or any MVP framework)
>
> ok tats it. Now in applicaton the view is singleton. but the presenter are
> not, so they are made as and when needed like :
>
> MyPresenter p = new MyPresenter(view); //view is singleton throughout the
> application; assume getting it by some factory
>
> Now suppose after a while if I have created *10 MyPresenter *instance
> that will add *10 clickHandler *to button "c*lick" . So one click event
> will be handled 10 times by 10 different handlers.*
> **
> I can see here it as happening when click the button I get 10 times alert
> window.
>
> So where I misunderstood the MVP architecture, what I am missing.....
> please help
> **
> Thanks in advance.
>
>
>
>
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