Class: Mechanize::Form::SelectList

Inherits:
MultiSelectList show all
Defined in:
lib/mechanize/form/select_list.rb

Overview

This class represents a select list or drop down box in a Form. Set the value for the list by calling SelectList#value=. SelectList contains a list of Option that were found. After finding the correct option, set the select lists value to the option value:

selectlist.value = selectlist.options.first.value

Options can also be selected by “clicking” or selecting them. See Option

Instance Attribute Summary

Attributes inherited from MultiSelectList

#options

Attributes inherited from Field

#name, #node

Instance Method Summary collapse

Methods inherited from MultiSelectList

#select_all, #select_none, #selected_options

Methods inherited from Field

#<=>

Constructor Details

#initialize(node) ⇒ SelectList

Returns a new instance of SelectList.



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# File 'lib/mechanize/form/select_list.rb', line 10

def initialize node
  super
  if selected_options.length > 1
    selected_options.reverse[1..selected_options.length].each do |o|
      o.unselect
    end
  end
end

Instance Method Details

#option_with(criteria) {|f| ... } ⇒ Object

Find one option on this select list with criteria Example:

select_list.option_with(:value => '1').value = 'foo'

Yields:

  • (f) 


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# File 'lib/mechanize/form/select_list.rb', line 38

def option_with criteria
  f = options_with(criteria).first
    yield f if block_given?
  f
end

#options_with(criteria) {|f| ... } ⇒ Object

Find all options on this select list with criteria Example:

select_list.options_with(:value => /1|2/).each do |field|
  field.value = '20'
end

Yields:

  • (f) 


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# File 'lib/mechanize/form/select_list.rb', line 25

def options_with criteria
  criteria = {:name => criteria} if String === criteria
  f = @options.find_all do |thing|
    criteria.all? { |k,v| v === thing.send(k) }
  end
  yield f if block_given?
  f
end

#query_value ⇒ Object 



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# File 'lib/mechanize/form/select_list.rb', line 63

def query_value
  value ? [[name, value]] : nil
end

#value ⇒ Object 



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# File 'lib/mechanize/form/select_list.rb', line 44

def value
  value = super
  if value.length > 0
    value.last
  elsif @options.length > 0
    @options.first.value
  else
    nil
  end
end

#value=(new) ⇒ Object 



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# File 'lib/mechanize/form/select_list.rb', line 55

def value=(new)
  if new != new.to_s and new.respond_to? :first
    super([new.first])
  else
    super([new.to_s])
  end
end