module ViewHelpers
def params
request.query.dup
end
# The NavTab Class holds the structure of a navigation tab (including
# its sub-nav items).
class NavTab < Array
attr_reader :name, :proper_name
def initialize(name, proper_name)
@name, @proper_name = name, proper_name
end
def [](id)
unless id.kind_of? Fixnum
self.find {|subnav_item| subnav_item.name.to_s == id.to_s }
else
super
end
end
end
# Simple structure for storing the properties of a tab's sub items.
class NavSubItem
attr_reader :name, :proper_name, :url
def initialize(name, proper_name, url = "#")
@name, @proper_name, @url = name, proper_name, url
end
end
def nav_tabs
content = NavTab.new(:content, "Content")
content << NavSubItem.new(:pages, "Pages", "/admin/pages/")
content << NavSubItem.new(:snippets, "Snippets", "/admin/snippets/")
design = NavTab.new(:design, "Design")
design << NavSubItem.new(:layouts, "Layouts", "/admin/layouts/")
design << NavSubItem.new(:stylesheets, "Stylesheets", "/admin/stylesheets/")
design << NavSubItem.new(:javascripts, "Javascripts", "/admin/javascripts/")
media = NavTab.new(:assets, "Assets")
media << NavSubItem.new(:all, "All", "/admin/assets/")
media << NavSubItem.new(:all, "Unattached", "/admin/assets/unattached/")
settings = NavTab.new(:settings, "Settings")
settings << NavSubItem.new(:general, "General", "/admin/settings/")
settings << NavSubItem.new(:users, "Users", "/admin/users/")
settings << NavSubItem.new(:extensions, "Extensions", "/admin/extensions/")
[content, design, media, settings]
end
def body_classes
@body_classes ||= []
end
# Returns a Gravatar URL associated with the email parameter.
# See: http://douglasfshearer.com/blog/gravatar-for-ruby-and-ruby-on-rails
def gravatar_url(email, options={})
# Default to highest rating. Rating can be one of G, PG, R X.
options[:rating] ||= "G"
# Default size of the image.
options[:size] ||= "32px"
# Default image url to be used when no gravatar is found
# or when an image exceeds the rating parameter.
options[:default] ||= "http://localhost:4000/admin/images/avatar_32x32.png"
# Build the Gravatar url.
url = 'http://www.gravatar.com/avatar.php?'
url << "gravatar_id=#{Digest::MD5.new.update(email)}"
url << "&rating=#{options[:rating]}" if options[:rating]
url << "&size=#{options[:size]}" if options[:size]
url << "&default=#{options[:default]}" if options[:default]
url
end
end
