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# File 'lib/active_scaffold/bridges/paperclip/lib/paperclip_bridge_helpers.rb', line 9
def self.generate_delete_helper(klass, field)
klass.class_eval <<-EOF, __FILE__, __LINE__ + 1 unless klass.methods.include?("delete_#{field}=")
attr_reader :delete_#{field}
def delete_#{field}=(value)
value = (value == "true") if String === value
return unless value
# passing nil to the file column causes the file to be deleted. Don't delete if we just uploaded a file!
self.#{field} = nil unless self.#{field}.dirty?
end
EOF
end
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