Can the Presenter have state? (MVP pattern)

I'm reading about the Model-View-Presenter pattern, and I'm a bit confused: can a presenter have state? Or is the task of the Presenter to only group methods together containing business l开发者_StackOverflowogic, and every state information should be put in the Model?

Here's an example scenario: suppose I have to present a sortable, paged list of items. In this case the View should view the items. The presenter should load the items to be viewed into the model. Where should the 2 state variables (sorting type and the current page index) go, should they be considered the state of the Presenter or part of the model?

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This is clearly not an application state but a view state. Not only losing this state won't hurt much but also it does not affect the business logic.

That being said I wouldn't hesitate to place this extra "state" in the presenter or even in the view. You will probably implement this using either HTTP session or client-side cookies - these persistence strategies obviously are targeted for view.