/
field.rb
293 lines (226 loc) · 5.27 KB
/
field.rb
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module Webrat
class Field
def self.class_for_element(element)
if element.name == "input"
if %w[submit image].include?(element["type"])
field_class = "button"
else
field_class = element["type"] || "text"
end
else
field_class = element.name
end
Webrat.const_get("#{field_class.capitalize}Field")
rescue NameError
raise "Invalid field element: #{element.inspect}"
end
def initialize(form, element)
@form = form
@element = element
@value = default_value
end
def label_text
return nil unless label
label.text
end
def matches_id?(id)
@element["id"] == id.to_s
end
def matches_name?(name)
@element["name"] == name.to_s
end
def matches_label?(label_text)
return false unless label
label.matches_text?(label_text)
end
def to_param
value = @value.to_s.gsub('&', '%26')
param_parser.parse_query_parameters("#{name}=#{value}")
end
def set(value)
@value = value
end
def unset
@value = default_value
end
protected
def id
@element["id"]
end
def name
@element["name"]
end
def label
return nil if label_element.nil?
@label ||= Label.new(self, label_element)
end
def label_element
@label_element ||= begin
parent = @element.parent
while parent.respond_to?(:parent)
return parent if parent.name == "label"
parent = parent.parent
end
if id.blank?
nil
else
@form.element.at("label[@for=#{id}]")
end
end
end
def default_value
@element["value"]
end
def param_parser
if defined?(CGIMethods)
CGIMethods
else
require "action_controller"
require "action_controller/integration"
ActionController::AbstractRequest
end
end
def replace_param_value(params, oval, nval)
output = Hash.new
params.each do |key, value|
case value
when Hash
value = replace_param_value(value, oval, nval)
when Array
value = value.map { |o| o == oval ? nval : oval }
when oval
value = nval
end
output[key] = value
end
output
end
end
class ButtonField < Field
def matches_text?(text)
@element.innerHTML =~ /#{Regexp.escape(text.to_s)}/i
end
def matches_value?(value)
@element["value"] =~ /^\W*#{Regexp.escape(value.to_s)}/i || matches_text?(value)
end
def to_param
return nil if @value.nil?
super
end
def default_value
nil
end
def click
set(@element["value"]) unless @element["name"].blank?
@form.submit
end
end
class HiddenField < Field
def to_param
if collection_name?
super
else
checkbox_with_same_name = @form.find_field(name, CheckboxField)
if checkbox_with_same_name.to_param.nil?
super
else
nil
end
end
end
protected
def collection_name?
name =~ /\[\]/
end
end
class CheckboxField < Field
def to_param
return nil if @value.nil?
super
end
def check
set(@element["value"] || "on")
end
def uncheck
set(nil)
end
protected
def default_value
if @element["checked"] == "checked"
@element["value"] || "on"
else
nil
end
end
end
class PasswordField < Field
end
class RadioField < Field
def to_param
return nil if @value.nil?
super
end
def choose
other_options.each do |option|
option.unset
end
set(@element["value"] || "on")
end
protected
def other_options
@form.fields.select { |f| f.name == name }
end
def default_value
if @element["checked"] == "checked"
@element["value"] || "on"
else
nil
end
end
end
class TextareaField < Field
protected
def default_value
@element.inner_html
end
end
class FileField < Field
attr_accessor :content_type
def set(value, content_type = nil)
super(value)
@content_type = content_type
end
def to_param
if @value.nil?
super
else
file = content_type ? ActionController::TestUploadedFile.new(@value, content_type) : ActionController::TestUploadedFile.new(@value)
replace_param_value(super, @value, file)
end
end
end
class TextField < Field
end
class ResetField < Field
end
class SelectField < Field
def find_option(text)
options.detect { |o| o.matches_text?(text) }
end
protected
def default_value
selected_options = @element / "option[@selected='selected']"
selected_options = @element / "option:first" if selected_options.empty?
selected_options.map do |option|
return "" if option.nil?
option["value"] || option.innerHTML
end
end
def options
option_elements.map { |oe| SelectOption.new(self, oe) }
end
def option_elements
(@element / "option")
end
end
end