Class: Olelo::Attributes::Attribute::Enum Private

Inherits:
Olelo::Attributes::Attribute show all
Defined in:
lib/olelo/attributes.rb

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

Direct Known Subclasses

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Instance Attribute Summary

Attributes inherited from Olelo::Attributes::Attribute

#key, #name

Instance Method Summary collapse

Methods inherited from Olelo::Attributes::Attribute

#build_form, #label, #label_tag

Methods included from Util

#check, #decode64, #deep_copy, #encode64, #escape, #escape_html, #escape_javascript, included, #md5, #no_cache?, #sha256, #titlecase, #truncate, #unescape, #unescape_backslash, #unescape_html, #valid_xml_chars?, #yaml_dump, #yaml_load, #yaml_load_file

Constructor Details

#initialize(parent, name, values = {}) ⇒ Enum

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a new instance of Enum.



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# File 'lib/olelo/attributes.rb', line 84

def initialize(parent, name, values = {})
  super(parent, name)
  raise 'Values must be Proc, Hash or Array' unless Proc === values || Hash === values || Array === values
  @values = values
end

Instance Method Details

#field_tag(attr) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/olelo/attributes.rb', line 90

def field_tag(attr)
  html = %{<select class="observe" id="#{key}" name="#{key}">
           <option#{values.any? {|value,label| attr == value} ? '' : ' selected="selected"'}></option>}
  values.sort_by(&:last).each do |value,label|
    value_attr = value == label ? '' : %{ value="#{escape_html value}"}
    selected_attr = attr == value ? ' selected="selected"' : ''
    html << %{<option#{value_attr}#{selected_attr}>#{escape_html label}</option>}
  end
  html << '</select>'
end

#parse(params) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/olelo/attributes.rb', line 101

def parse(params)
  value = params[key]
  value if values.include?(value)
end