Hi,
I have an application where I need to select the recipients of an e-mail.
I do this using a combination of the following:
- a checkbox to deliver to all
- a multiple select to select a set of groups
This is currently done with AS - Wondering if this is the best solution.
3 questions:
1) I use this to build the multiple select boxes. They store their
values fine in the database, but nothing is selected when I edit them.
Has anybody gotten this to work correctly:
def klass_ids_form_column(record, input_name)
select_tag("record[klass_ids][]",
options_for_select(Klass.find(:all).sort { |a,b|
a.name.casecmp(b.name)}.collect {|p| [ p.to_label, p.id ] },
record.klass_ids.collect { |cr| cr.id}), {:multiple=>true, :size=>6})
end
2) Rather than having a multiple select box I would like a set of check
boxes. Much more obvious user interface
is there a simple way to do this ?
or can the code in 1) be converted like:
def klass_ids_form_column(record, input_name)
Klass.find(:all).sort { |a,b| a.grade <=> b.grade}.each do |kl|
check_box_tag("record[klass_ids][]", "#{kl.id}",
record[klass_ids].include?(kl.id))
end
end
3) And for the really nice version:
Make 2) work, but use AJAX to show/remove the second level of checkboxes
- they are only shown if all is not checked.
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