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##
# This class contains an option found within SelectList. A SelectList can
# have many Option classes associated with it. An option can be selected by
# calling Option#tick, or Option#click.
#
# To select the first option in a list:
#
# select_list.first.tick
class Mechanize::Form::Option
attr_reader :value, :selected, :text, :select_list, :node
alias :to_s :value
alias :selected? :selected
def initialize(node, select_list)
@node = node
@text = node.inner_text
@value = Mechanize::Util.html_unescape(node['value'] || node.inner_text)
@selected = node.has_attribute? 'selected'
@select_list = select_list # The select list this option belongs to
end
# Select this option
def select
unselect_peers
@selected = true
end
# Unselect this option
def unselect
@selected = false
end
alias :tick :select
alias :untick :unselect
# Toggle the selection value of this option
def click
unselect_peers
@selected = !@selected
end
private
def unselect_peers
return unless Mechanize::Form::SelectList === @select_list
@select_list.select_none
end
end
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