No, I don't say that. I say your problem about multiple instance is becouse in each @Inject you have a new instance.
2011/6/16 ricu <[email protected]> > Are you trying to say that I make those views as singletons? The > problem is that I would like to reuse one widget on multiple places. > If I go with singletons I must create classes for every widget I use > (they will extend some class that has mutual functionality)? > > On 16 lip, 02:27, Juan Pablo Gardella <[email protected]> > wrote: > > "The problem is that we get two objects of the sub-widget class" becouse > > this widgets aren't singletons. > > > > 2011/6/15 ricu <[email protected]> > > > > > > > > > > > > > > > > > Anybody? Maybe someone has the same architecture without GIN. What is > > > your experience? > > > > > On 13 lip, 21:16, ricu <[email protected]> wrote: > > > > Hi! > > > > > > We are usingGINin our application which is constructed in MVP style. > > > > We tried to follow some best practices described in GWT pages and > here > > > > in GWT group so we design the application in the following manner: > > > > 1) We have multiple main screens(pages) that have activities attached > > > > to them. They are build in MVP style where presenters are also > > > > activities. > > > > 2) Every main screen is a collection of some sub-widgets which can > > > > also be created from some other sub-sub-widgets, so you can say that > > > > we are nesting views and their presenters. > > > > 3) The main views are singletons. Our sub-widgets are not singletons > > > > because we are reusing them. > > > > 4) All of our presenters aren't singletons. > > > > 5) They are created usingGIN > > > > > > GINBinding example: > > > > bind(SubWidgetView.class).to(SubWidget.class); > > > > bind(MainWidgetView.class).to(MainWidget.class).in(Singleton.class); > > > > > > Injecting sub-widget into main widget through constructor example: > > > > @Inject > > > > public MainWidget(SubWidget widget1) > > > > > > Injecting sub-widget's interface into presenter through constructor > > > > example: > > > > @Inject > > > > public SubWidgetPresenter(SubWidgetView widget1) > > > > > > The problem is that we get two objects of the sub-widget class, one > > > > for injecting the into main widget and the other one for while > > > > injecting into it's presenter. The first one is shown on the screen > > > > but the other one is bind to the presenter. When presenter changes > its > > > > view, it changes the view that was not bin to the main widget and we > > > > can't see anything. > > > > > > So our solution would be to create one sub-widget per main-widget but > > > > we don't know how to do it and if we do, we don't know how to inject > > > > that object of the sub-widget into the recreating presenter. > > > > > > Marko > > > > > -- > > > You received this message because you are subscribed to the Google > Groups > > > "Google Web Toolkit" group. > > > To post to this group, send email to > [email protected]. > > > To unsubscribe from this group, send email to > > > [email protected]. > > > For more options, visit this group at > > >http://groups.google.com/group/google-web-toolkit?hl=en. > > -- > You received this message because you are subscribed to the Google Groups > "Google Web Toolkit" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/google-web-toolkit?hl=en. > > -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
