[Radiant] Modestly Extending Radiant and Forms

[Loren Johnson]

For a couple of weeks I've been hunting for the absolute best way to  
extend Radiant to handle the presentation of an event calendar.

After much going back and forth I finally settled on implementing it  
as a series of new global tags in a plugin a la: http:// 
radiantcms.org/blog/2006/09/14/how-to-create-global-tags-in-a- 
plugin.  I've copied my needed Event models into this plugin as well.  
This has gotten me pretty far. I've got my <r:calendar... and child  
<r:event... tag which allow me to pull any set of events and present  
them in anyway I need anywhere throughout the site. Great!  However I  
have hit a couple of road blocks:

1. I've created attributes to select a set of event based on a date  
range, a number of days, etc. This will allow me to create separate  
pages for different date time periods. However, I'd much prefer to  
have a form which allow users to select the date range or categories  
of events to display.

Is there a way to access form get parameters from within the  
Behavior::Base.define_tags? Has anyone came-up with an elegant way to  
handle this sort of thing?

2. Currently I'm handling migrations on my own models by just  
generating them directly in the Radiant app. I figure I'll have to do  
some migration re-numbering when a new Radiant release includes it's  
own migrations. Anybody have a better solution for handling  
migrations of custom models from within a plugin or without  
interfering with the Radiant installation?


*** I'm implementing this Calendar into Radiant in this hodge-podge  
manner now with the educated assumption that I'll eventually be able  
to re-factor it and have it directly "plug-in" to Radiant (on the  
admin tab) and that the incorporation of a custom data model will be  
accomodated in some manner. Notice I didn't ask for a custom view or  
controler (yet). Am I assuming too much?

Thoughts and solutions embraced,

Loren Johnson
loren at fn-group.com



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