Class: AlCheckboxes

Inherits:

AlSelector

• Object
• AlWidget
• AlSelector
• AlCheckboxes

Defined in:

lib/al_form.rb

Overview

チェックボックスウィジェット

Instance Attribute Summary

• #max ⇒ Integer

  最大チェック数.

• #min ⇒ Integer

  最小チェック数.

Attributes inherited from AlSelector

#options, #separator

Attributes inherited from AlWidget

#filter, #foreign, #hidden, #label, #message, #name, #required, #tag_attr, #tag_type, #value, #value_format

Instance Method Summary

• #initialize(name, arg = {}) ⇒ AlCheckboxes constructor

  (AlCheckboxes) constructor.

• #make_tag(appendix_tag = {}) ⇒ String

  (AlCheckboxes) HTMLタグの生成.

• #make_value(*arg) ⇒ String

  (AlCheckboxes) HTML値の生成.

• #set_value(value) ⇒ Object (also: #value=)

  (AlCheckboxes) 値のセット.

• #validate ⇒ Boolean

  (AlCheckboxes) バリデーション.

Methods inherited from AlWidget

#set_attr

Constructor Details

#initialize(name, arg = {}) ⇒ AlCheckboxes

(AlCheckboxes) constructor

Parameters:

• name (String) —

  ウィジェット識別名　英文字を推奨

• arg (Hash) (defaults to: {}) —

  引数ハッシュ

Options Hash (arg):

• :max (Integer) —

  最大チェック数

• :min (Integer) —

  最小チェック数

See Also:

• argは親クラスも参照

# File 'lib/al_form.rb', line 1048

def initialize( name, arg = {} )
  super( name, arg )
  @value = set_value( @value )
  @max = arg[:max]
  @min = arg[:min]
end

Instance Attribute Details

#max ⇒ Integer

Returns 最大チェック数.

Returns:

• (Integer) —

  最大チェック数

# File 'lib/al_form.rb', line 1033

def max
  @max
end

#min ⇒ Integer

Returns 最小チェック数.

Returns:

• (Integer) —

  最小チェック数

# File 'lib/al_form.rb', line 1036

def min
  @min
end

Instance Method Details

#make_tag(appendix_tag = {}) ⇒ String

(AlCheckboxes) HTMLタグの生成

Parameters:

• appendix_tag (Hash) (defaults to: {}) —

  htmlタグへ追加するアトリビュートを指定

Returns:

• (String) —

  htmlタグ

# File 'lib/al_form.rb', line 1124

def make_tag( appendix_tag = {} )
  r = ""
  if @hidden
    tag = %Q(<input type="hidden" name="#{@name}")
    @options.each do |k,v|
      if @value.include?(k.to_sym) || @value.include?(k.to_s)
        tagvalue = Alone::escape_html( k.to_s )
        r << %Q(#{tag} id="#{@name}_#{tagvalue}" value="#{tagvalue}">\n)
      end
    end
  else
    @options.each do |k,v|
      checked = @value.include?(k)
      if ! checked
        case k
        when Numeric
          checked = @value.include?(k.to_s)
        when String
          checked = @value.include?(k.to_sym)
        when Symbol
          checked = @value.include?(k.to_s)
        end
      end
      checked = checked ? " checked" : ""

      tagvalue = Alone::escape_html( k.to_s )
      r << %Q(<label><input type="checkbox" name="#{@name}" id="#{@name}_#{tagvalue}" value="#{tagvalue}"#{checked})
      make_tag_attr(r, appendix_tag)
      r << ">#{Alone::escape_html(v)}</label>#{@separator}\n"
    end
  end

  return r
end

#make_value(*arg) ⇒ String

(AlCheckboxes) HTML値の生成

Parameters:

• arg (String, Array<String>) —

  表示値。指定なければ内部値を使う。

Returns:

• (String) —

  html文字列

# File 'lib/al_form.rb', line 1166

def make_value( *arg )
  v = arg.empty? ? @value : arg[0]
  if v.class == String
    v = v.split(',')
  end
  r = ""
  v.each do |k|
    r << Alone::escape_html( @options[k.to_sym] || @options[k.to_s] || @options[k.to_i] ) << " "
  end
  return r
end

#set_value(value) ⇒ Object Also known as: value=

(AlCheckboxes) 値のセット

Parameters:

• value —

  セットする値

# File 'lib/al_form.rb', line 1061

def set_value( value )
  case value
  when Array
    @value = []
    value.flatten.each do |v|
      case v
      when String,TrueClass,FalseClass,Numeric
        @value << v.to_s
      end
    end

  when String
    @value = value.split(',')

  when TrueClass,FalseClass
    @value = [ value.to_s ]

  else
    @value = []
  end
end

#validate ⇒ Boolean

(AlCheckboxes) バリデーション

Returns:

• (Boolean) —

  成否

# File 'lib/al_form.rb', line 1090

def validate()
  @message = ""

  if @max && @value.size > @max
    @message = p_("al", "Please select a maximum of %2$d for %1$s.") % [@label, @max]
    return false
  end
  if @min && @value.size < @min
    @message = p_("al", "Please select a minimum of %2$d for %1$s.") % [@label, @min]
    return false
  end

  if @value.empty? && @required
    @message = p_("al", "Please select %s.") % @label
    return false
  end

  @value.each { |v|
    if ! @options[v.to_sym] && ! @options[v.to_s] && ! @options[v.to_i]
      @message = p_("al", "The input for %s is not a valid value.") % @label
      return false
    end
  }

  return true
end