Major changes in Midgard MVC

1. Henri Bergius

   Major changes in Midgard MVC

   Sun August 01 2010 09:30:09 UTC
   Hi,
   
   Based on discussions with the Rohea team and in Midgard Gatherings,
   I'm now starting to land the major changes in Midgard MVC APIs in
   preparation for Hrungnir. For now they'll live in my private GitHub
   fork http://github.com/bergie/midgardmvc_core, but they'll land in the
   official repo as soon as the whole set of changes is done.
   
   The changes include:
   
   * Old component interface classes are now replaced by a component
   Provider. This means we can abstract the structure and workings of
   components and for example create compatibility interfaces to other
   MVC frameworks like MidCOM
   
   * Similarly to components, the site hierarchy (node tree) now comes
   from a hierarchy Provider. The plans include having a
   configuration-based "hardcoded" node tree that web applications that
   don't need user-manageable nodes can use
   
   * Global context is now replaced with a Request object that gets
   passed around during Midgard MVC execution. The current Request object
   can be accessed via the old context interfaces for compatibility
   
   * The merging models for configuration, templates and routes are now
   synchronized so they all work in the same way
   
   * It is now possible to give overriding configuration key-value pairs
   when initializing Midgard MVC. This should be done in your own
   rootfile
   
   * Models (MgdSchemas, midgard_views and overriding PHP classes) should
   now be stored into component's models/ directory
   
   * Route definitions are being moved from component configuration to
   the component manifest
   
   Documentation for Midgard MVC is being worked on, and can be found
   from http://github.com/bergie/midgardmvc_core/blob/master/documentation/index.markdown
   
   I'll try to complete the changes before heading out for summer
   vacation the coming Tuesday. After that the Midgard MVC APIs should be
   semi-solid, so I can focus on performance improvements in September
   before we freeze Midgard MVC for the Midgard3 release.
   
   /Henri
   
   --
   Henri Bergius
   Motorcycle Adventures and Free Software
   http://bergie.iki.fi/
   
   Skype: henribergius
   Jabber: henri.bergius@gmail.com
   Microblog: http://www.qaiku.com/home/bergie/
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