I'd be happy to discuss with anyone how the view stuff works. The
basics are:
There is a view path that we all know and love, it's RAILS_ROOT/app/
views, and when rails loads up it has just this. You're supposed to be
able to add other view paths. This is partially so that you can move
your mail only templates out to somewhere else and change ActionMailer
to use say app/mail instead of app/view for the email templates. Or
you can set the view_paths for ActionMailer to be app/views and app/
mail and then you get stuff in both places.
When it's looking for a template it goes something like this:
For each view path it searches the cached set of templates by "path"
in the following order
- see if view_path/controller.class.name.underscore/view.#
{contentype}.#{viewextension} exists
- see if view_path/controller.class.name.underscore/view.#
{contentype}.* exists
- see if view_path/controller.class.name.underscore/view.* exists
- AS Patch injects a check here to look for view_path/view
- there are 2 other conditions I haven't really looked into
- If none of these match, it creates a new Template object with all of
the view paths, if the template can find a view, it caches that
template under the "path", if it can't it throws a template not found
exception
One of the side issues with this that I see is that if you have say
app/views/edit.html.erb for some reason, and you make an action in
stories_controller without creating app/views/stories/edit.html.erb,
it will pick up app/views/edit.html.erb when you have active scaffold
installed. I didn't really think that was an issue so I ignored it.
So with AS the template finding (which is done in
active_scaffold.rb#_pick_template_with_generic I think) has the above
logic AND I also told it to add the following to the view paths to
search:
- app/views/controller.class.name.underscore for controller level
overrides
- app/views/active_scaffold_overrrides for app wide overrides
- PLUGIN_ROOT/frontends/#{theme}/views for the default active scaffold
stuff.
Let me know if you have more questions. I'm wondering if this
shouldn't go on a developer page somewhere.
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