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##
# This class represents a select list where multiple values can be selected.
# MultiSelectList#value= accepts an array, and those values are used as
# values for the select list. For example, to select multiple values,
# simply do this:
#
# list.value = ['one', 'two']
#
# Single values are still supported, so these two are the same:
#
# list.value = ['one']
# list.value = 'one'
class Mechanize::Form::MultiSelectList < Mechanize::Form::Field
extend Mechanize::ElementMatcher
attr_accessor :options
def initialize node
value = []
@options = node.search('option').map { |n|
Mechanize::Form::Option.new(n, self)
}
super node, value
end
##
# :method: option_with
#
# Find one option on this select list with +criteria+
#
# Example:
#
# select_list.option_with(:value => '1').value = 'foo'
##
# :mehtod: option_with!(criteria)
#
# Same as +option_with+ but raises an ElementNotFoundError if no button
# matches +criteria+
##
# :method: options_with
#
# Find all options on this select list with +criteria+
#
# Example:
#
# select_list.options_with(:value => /1|2/).each do |field|
# field.value = '20'
# end
elements_with :option
def query_value
value ? value.map { |v| [name, v] } : ''
end
# Select no options
def select_none
@value = []
options.each(&:untick)
end
# Select all options
def select_all
@value = []
options.each(&:tick)
end
# Get a list of all selected options
def selected_options
@options.find_all(&:selected?)
end
def value=(values)
select_none
[values].flatten.each do |value|
option = options.find { |o| o.value == value }
if option.nil?
@value.push(value)
else
option.select
end
end
end
def value
@value + selected_options.map(&:value)
end
end
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