# StoryBlogTitle.rb 
#
# If you are viewing a story directly, we add the entries title
# to args['blog_title'], overriding config['blog_title'] in the 
# BlosxonomyRenderer. If you're searching for a tag, it reads 
# Tag: <tag> at $site_title
#
# Your original $blog_title will be accessibe as $site_title

def cb_prepare( args )
	config = args['config']
	pathinfo = args['PATH_INFO']

	args['site_title'] = args['blog_title']
	return if not pathinfo

	r = Regexp::compile( '^' + config['item_path'] )
	if r.match( pathinfo )

		entries = args['entries']
		return if entries.length != 1

		args['blog_title'] = entries[0]['title']
	else
		r = Regexp::compile( '^' + config['tags_path'] + "/(.*)" )
		m = r.match( pathinfo )
		if m
			tagstring = m[1]
			tagstring = tagstring.gsub( '+', ' or ' )
			tagstring = tagstring.gsub( '/', ' and ' )

			args['blog_title'] = "Tag"
			args['blog_title'] += 's' if /[+\/]/.match( m[1] )
			args['blog_title'] += ': ' + tagstring 
		end
	end
	
end