I''m using the latest trunk of 1.2-ish, and I''m wondering how
to do what
I want to do. I am using a form_for :builder I wrote, simply called
TableFormBuilder after the rails cookbook, and want to be able to
present help icons automatically. I want these icons to appear next to
form fields I am rendering.
For example, I have this method in helpers/table_form_builder.rb:
# This enables you to use select groups like text fields
def select_group(object_name, choices, options = {}, html_options {})
human = options.delete(:human) || object_name.to_s.gsub(/_id$/,
'''').humanize
if options.delete(:required)
human = human.required
end
@template.content_tag(''tr'',
@template.content_tag(''td'', human,
{''class'' => ''label''}) +
@template.content_tag(''td'', select(object_name, choices,
options,
html_options),
{''class'' =>
''field''}) +
help_icon(object_name))
end
In my view, I call this as:
f.select_group(:layout_id, etc ...)
Specificially, I''m focusing on the help_icon(object_name) method shown
above. This is attached to a help table, which looks up topics based on
the string passed in. This works fine.
The help_icon method in TableFormBuilder is this:
# This creates a link of system help exists, otherwise bypasses
def help_icon(help_topic)
help
SystemHelp.find_by_help_topic(help_topic.to_s.gsub(/_id$/,''''))
if help
render :layout => false, :partial => true
else
return ''''
end
end
That doesn''t work. The error is:
undefined method `render'' for #<TableFormBuilder:0xb79d9094>
It appears that render() is not available in the form_for :builder
context.
Is there another way to accomplish this? I really want to attach it to
the builder, rather than having to say "+ help_icon" in all my views.
Thanks,
Nate
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