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Contents
module Waves
module Helpers
# Model helpers allow you to directly access a model from within a view.
# This is useful when creating things like select boxes that need data
# from anther model. For example, a Markaby select box for authors might look like:
#
# select do
# all(:user).each do |user|
# option user.full_name, :value => user.id
# end
# end
#
# You could also use these within a view class to keep model-based logic out
# of the templates themselves. For example, in the view class you might define
# a method called +authors+ that returns an array of name / id pairs. This could
# then be called from the template instead of the model helper.
#
module Model
def model( name )
Waves.main::Models[ name ][ domain ]
end
# Just like model.all. Returns all the instances of that model.
def all( model )
model( model ).all
end
# Finds a specific instance using the name field
def find( model, name )
model( model )[name ] rescue nil
end
end
end
end
Version data entries
6 entries across 6 versions & 4 rubygems