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What is the legend of the arrows in these diagrams (MVC - MVP - MVVM)?

Tags:

model-view-controller

mvp

mvvm

I try to understand the main differences between MVC / MVP and MVVM patterns. I found these 3 diagrams but I'm not sure to understand them. Coul you help me and explain me what is the legend of the dashed line and continuous line.

MVC from Wikipedia definition

MVC from Wikipedia definition

MVP from Microsoft MSDN website

MVP from Microsoft MSDN website

MVVM from Microsoft MSDN website

MVVM from Microsoft MSDN website

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Bastien Vandamme Avatar asked Mar 15 '12 17:03

Bastien Vandamme

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1 Answers

  • Solid lines are direct calls.
  • Dashed lines are only event callbacks.

Main differences between MVC and MVP (Passive view) patterns:

  • In MVC view knows about model (calls getData() etc. to display data)
  • In MVP (Passive view) the view does not know about model. Presenter passes data from model to view.

More details in:

  1. MVC vs MVP vs MVVM
  2. In depth description by Martin Fowler: GUI Architectures
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Andrejs Avatar answered Sep 28 '22 03:09

Andrejs
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