Module: Zena::Use::Forms::ZafuMethods

Defined in:
lib/zena/use/forms.rb

Overview

ViewMethods

Instance Method Summary collapse

Instance Method Details

#form_hidden_fields(opts) ⇒ Object 



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# File 'lib/zena/use/forms.rb', line 248

def form_hidden_fields(opts)
  hidden_fields = super
  add_params = @context[:add] ? @context[:add].params : {}
  set_fields = []
  @markup.params[:class] ||= 'form'

  (descendants('input') + descendants('select')).each do |tag|
    set_fields << "#{node.form_name}[#{tag.params[:name]}]"
  end

  if (descendants('input') || []).detect {|elem| elem.params[:type] == 'submit'}
    # has submit
  else
    # Hidden submit for Firefox compatibility
    hidden_fields['submit'] = ["<input type='submit'/>"]
  end

  if template_url = @context[:template_url]
    # Ajax
    hidden_fields['link_id'] = "<%= #{node}.link_id %>" if @context[:has_link_id] && node.will_be?(Node)

    if upd = @params[:update]
      if target = find_target(upd)
        hidden_fields['u_url']   = target.template_url
        hidden_fields['udom_id'] = upd # target.node.dom_prefix ? (but target.node is not set yet...)
        # hidden_fields['u_id']    = "<%= #{@context[:parent_node]}.zip %>" if @context[:in_add]
        hidden_fields['s']       = "<%= start_node_zip %>"
      end
    # elsif (block = ancestor('block')) && node.will_be?(DataEntry)
    #   # updates template url
    #   hidden_fields['u_url']   = block.template_url
    #   hidden_fields['udom_id'] = block.erb_dom_id
    end

    hidden_fields['t_url'] = template_url
                                                                         # This is a hack to fix wrong dom_prefix in drop+add.
    #erb_dom_id = @context[:saved_template] ? "<%= ndom_id(#{node}, false) %>" : (@context[:dom_prefix] || node.dom_prefix)

    hidden_fields['dom_id'] = erb_dom_id = node.dom_prefix

    if node.will_be?(Comment)
      # FIXME: the "... || '@node'" is a hack and I don't understand why it's needed...
      hidden_fields['node_id'] = "<%= #{node.get(Node) || '@node'}.zip %>"
    elsif node.will_be?(DataEntry)
      return parser_error("Missing :data_root in context (internal error)") unless data_root = @context[:data_root]
      hidden_fields["data_entry[#{data_root}_id]"] = "<%= #{@context[:in_add] ? node(Node) : "#{node}.#{data_root}"}.zip %>"
    end

    if add_block = @context[:add]
      params = add_block.params
      hidden_fields['zadd'] = 'true'
      [:after, :before, :top, :bottom].each do |sym|
        if value = params[sym]
          hidden_fields['position'] = sym.to_s
          if value == 'self'
            if sym == :before
              hidden_fields['reference'] = "#{erb_dom_id}_add"
            else
              hidden_fields['reference'] = "#{erb_dom_id}_form"
            end
          else
            hidden_fields['reference'] = value
          end
          break
        end
      end
      if params[:done] == 'focus'
        if params[:focus]
          hidden_fields['done'] = "'$(\"#{erb_dom_id}_#{params[:focus]}\").focus();'"
        else
          hidden_fields['done'] = "'$(\"#{erb_dom_id}_form_t\").focusFirstElement();'"
        end
      elsif params[:done]
        hidden_fields['done'] = CGI.escape(params[:done])
      end
    else
      # ajax form, not in 'add'
      hidden_fields['done'] = CGI.escape(@params[:done]) if @params[:done]
    end
  else
    # no ajax
    cancel = "" # link to normal node ?
  end

  if node.will_be?(Node) && (@params[:klass] || @context[:klass])
    hidden_fields['node[klass]'] = @params[:klass] || @context[:klass].name
  end

  if node.will_be?(Node) && @params[:mode]
    hidden_fields['mode'] = @params[:mode]
  end

  hidden_fields['node[v_status]'] = Zena::Status::Pub.to_s if add_params[:publish] || auto_publish_param || @context[:publish_after_save]

  # All default values set in the <r:new> field should at least appear as hidden fields

  if new_keys = node.opts[:new_keys]
    input_keys = (
      (descendants('input') || []).map {|e| e.params[:name]} +
      hidden_fields.keys.map do |e|
        if e =~ /.*\[(.*)\]/
          $1.to_sym
        else
          nil
        end
      end
    ).compact.uniq

    new_keys.each do |key, value|
      # Security: make sure value does not come from user input !
      # TINT !
      next if input_keys.include?(key) || value.nil?
      hidden_fields["node[#{key}]"] = "<%= #{value.sub(/^this\./, "#{node}.")} %>"
    end
  end

  # Read @params
  add_params.merge(@params).each do |key, value|
    # r_add params
    next if [:after, :before, :top, :bottom, :focus, :publish,
    # r_form params
             :klass, :done, :on, :update,
    # r_each params (make_form)
             :join].include?(key)
    code = ::RubyLess.translate(self, value)
    if code.literal.kind_of?(String) || code.literal.kind_of?(Number)
      hidden_fields[key.to_s] = "#{code.literal}"
    else
      hidden_fields[key.to_s] = "<%= #{code} %>"
    end
  end

  hidden_fields.reject! do |k,v|
    # There is an explicit <input> field for this key, remove hidden value
    set_fields.include?(k)
  end

  hidden_fields
end

#form_options ⇒ Object 



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# File 'lib/zena/use/forms.rb', line 163

def form_options
  opts = super

  dom_name = node.dom_prefix
  opts[:form_helper] = 'f'

  if upd = @params[:update]
    if target = find_target(upd)
      @context[:template_url] = target.template_url
    end
  end

  if template_url = @context[:template_url]
    # Ajax

    if edit_or_cancel = descendant('cancel') || descendant('edit')
      if cancel_text = edit_or_cancel.params[:cancel] ||
        (edit_or_cancel.method == 'cancel' && edit_or_cancel.params[:text])
      elsif cancel_text = edit_or_cancel.params[:tcancel] ||
        (edit_or_cancel.method == 'cancel' && edit_or_cancel.params[:t])
        cancel_text = RubyLess.translate(self, "t(%Q{#{cancel_text}})")
        if cancel_text.literal
          cancel_text = cancel_text.literal
        else
          cancel_text_ruby = cancel_text
          cancel_text = "<%= #{cancel_text} %>"
        end
      end
      cancel_pre  = ''
      cancel_post = ''
    else
      cancel_pre  = "<p class='btn_x'>"
      cancel_post = "</p>"
    end

    cancel_text ||= _('btn_x')
    cancel_text_ruby ||= cancel_text.inspect

    if @context[:in_add]
      # Inline form used to create new elements: set values to '' and 'parent_id' from context
      opts[:id]          = "#{node.dom_prefix}_form"
      opts[:form_tag]    = "<% remote_form_for(:#{node.form_name}, #{node}, :url => #{node.form_name.pluralize}_path, :html => {:id => \"#{dom_name}_form_t\"}) do |f| %>"
      opts[:form_cancel] = "#{cancel_pre}<a href='#' onclick='[\"#{dom_name}_add\", \"#{dom_name}_form\"].each(Element.toggle);return false;'>#{cancel_text}</a>#{cancel_post}\n"
    else
      # Saved form
      if @markup.tag == 'table'
        # the normal id goes to the form wrapping the table
        opts[:id]   = "#{node.dom_prefix}_tbl"
        str_form_id = "\#{ndom_id(#{node})}"
      else
        opts[:id]   = "<%= ndom_id(#{node}) %>"
        str_form_id = "\#{ndom_id(#{node})}_form_t"
      end

      form_id ||= "#{node.dom_prefix}_form_t"
      opts[:id]          = "<%= ndom_id(#{node}) %>"

      opts[:form_tag]    = %Q{
<% remote_form_for(:#{node.form_name}, #{node}, :url => #{node}.new_record? ? #{node.form_name.pluralize}_path : #{node.form_name}_path(#{node}.zip), :html => {:method => #{node}.new_record? ? :post : :put, :id => \"#{str_form_id}\"}) do |f| %>
}

      opts[:form_cancel] = %Q{
<% if #{node}.new_record? %>
  #{cancel_pre}<a href='#' onclick='[\"<%= params[:dom_id] %>_add\", \"<%= params[:dom_id] %>_form\"].each(Element.toggle);return false;'>#{cancel_text}</a>#{cancel_post}
<% else %>
  #{cancel_pre}<%= link_to_remote(#{cancel_text_ruby}, :url => #{node.form_name}_path(#{node}.zip) + \"/zafu?t_url=#{CGI.escape(template_url)}&dom_id=\#{params[:dom_id]}#{@context[:has_link_id] ? "&link_id=\#{#{node}.link_id}" : ''}\", :method => :get) %>#{cancel_post}
<% end %>
}
    end
  else
    # no ajax
    if descendants('errors')
      error_messages = ''
    else
      error_messages = r_errors + "\n"
    end

    opts[:form_tag]    = %Q{
<% form_for(:#{node.form_name}, #{node}, :url => #{node}.new_record? ? #{node.form_name.pluralize}_path : #{node.form_name}_path(#{node}.zip), :html => {:method => #{node}.new_record? ? :post : :put, :id => \"\#{ndom_id(#{node})}_form_t\"}) do |f| %>
#{error_messages}}
  end

  opts
end

#get_input_params(params = @params) ⇒ Object

Parse params to extract everything that is relevant to building input fields. TODO: refactor and pass the @markup so that attributes are added directly TODO: get attribute type in get_input_params (safe_method_type)



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# File 'lib/zena/use/forms.rb', line 608

def get_input_params(params = @params)
  res = Zafu::OrderedHash.new
  if name = (params[:param] || params[:name] || params[:date])
    res[:name] = name
    unless params[:param]
      # build name
      if res[:name] =~ /\A([\w_]+)\[(.*?)\]/
        # Sub attributes are used with tags or might be used for other features. It
        # enables things like 'tagged[foo]'
        attribute, sub_attr = $1, $2
      else
        attribute = res[:name]
      end

      if sub_attr
        res[:name] = "#{node.form_name}[#{attribute}][#{sub_attr}]"
      else
        res[:name] = "#{node.form_name}[#{attribute}]"
      end
    end

    if sub_attr
      type = node.klass.safe_method_type([attribute])
      if sub_attr_ruby = RubyLess.translate(self, %Q{this.#{attribute}[#{sub_attr.inspect}]})
        res[:value] = "<%= fquote #{sub_attr_ruby} %>"
      end
    else
      if value = params[:value]
        # On refactor, use append_markup_attr(markup, key, value)
        value = RubyLess.translate_string(self, value)

        if value.literal
          res[:value] = form_quote(value.literal.to_s)
        else
          res[:value] = "<%= fquote #{value} %>"
        end
      elsif params[:param]
        if name =~ /^[a-z_]+$/
          res[:value] = "<%= fquote params[:#{name}] %>"
        else
          res[:value] = "<%= fquote param_value(#{name.inspect}) %>"
        end
      elsif attribute && type = node.klass.safe_method_type([attribute])
        res[:value] = "<%= fquote #{node}.#{type[:method]} %>"
      end
    end

    if sub_attr && params[:type] == 'checkbox' && !params[:value]
      # Special case when we have a sub_attribute: default value for "tagged[foobar]" is "foobar"
      res[:value] = sub_attr
    end

    #if @context[:in_add]
    #  res[:value] = (params[:value] || params[:set_value]) ? ["'#{ helper.fquote(params[:value])}'"] : ["''"]
    #elsif @context[:in_filter]
    #  res[:value] = attribute ? ["'<%= fquote params[#{attribute.to_sym.inspect}] %>'"] : ["''"]
    #elsif params[:value]
    #  res[:value] = ["'#{ helper.fquote(params[:value])}'"]
    #else
    #  if nattr != 'nil'
    #    res[:value] = ["'<%= fquote #{nattr} %>'"]
    #  else
    #    res[:value] = ["''"]
    #  end
    #end
  elsif node.will_be?(Column)
    res[:erb_attr] = "<%= #{node}.name %>"
    res[:name]  = "node[<%= #{node}.name %>]"
    res[:value] = "<%= fquote #{node(Node)}.prop[#{node}.name] %>"
  end

  if node.dom_prefix && !params[:param]
    res[:id]   = "#{node.dom_prefix}_#{attribute}"
  else
    res[:id]   = params[:id] if params[:id]
  end

  if params[:type] == 'checkbox' && sub_attr_ruby
    if value = params[:value]
      res[:checked] = "<%= #{sub_attr_ruby} == #{value.inspect} ? \" checked='checked'\" : '' %>"
    else
      res[:checked] = "<%= #{sub_attr_ruby}.blank? ? '' : \" checked='checked'\" %>"
    end
  end

  params.each do |k, v|
    next unless [:size, :style, :class].include?(k)
    res[k] = params[k]
  end

  return [res, attribute]
end

#make_form ⇒ Object 



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# File 'lib/zena/use/forms.rb', line 134

def make_form
  if !@context[:make_form] || node.list_context? || @context[:form_helper].blank?
    return super
  else
    form_helper = @context[:form_helper]
  end

  if %W{link show}.include?(method) || method == 'zazen' || (name = method[/zazen\(\s*(\w+)\s*\)/,1])
    name ||= @params[:attr] || @params[:date] || 'title'
    textarea = method =~ /zazen/
  elsif type = node.klass.safe_method_type([method])
    name = method
  end

  if name
    type ||= node.klass.safe_method_type([name])
    # do we have a property ?
    if type && (node.real_class.column_names.include?(name) || node.klass.column_names.include?(name))
      # create an input field
      out make_input(form_helper, name, type[:class], textarea)
    else
      # ignore
      out ''
    end
  else
    super
  end
end

#make_input(form_helper, name, type, textarea = false) ⇒ Object 



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# File 'lib/zena/use/forms.rb', line 124

def make_input(form_helper, name, type, textarea = false)
  if type == Time
    "<%= date_box(#{node}, :#{name}) %>"
  elsif textarea
    "<%= #{form_helper}.text_area :#{name}, :id => '#{node.dom_prefix}_#{name}' %>"
  else
    "<%= #{form_helper}.text_field :#{name}, :id => '#{node.dom_prefix}_#{name}' %>"
  end
end

#r_checkbox ⇒ Object Also known as: r_radio

<r:checkbox role=‘collaborator_for’ values=‘projects’ in=‘site’/>“



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# File 'lib/zena/use/forms.rb', line 540

def r_checkbox
  nodes  = @params[:nodes]
  values = @params[:values]
  return parser_error("missing 'nodes' or 'values'") unless nodes || values

  if values
    return parser_error("missing attribute 'name'") unless name = @params[:name]
    # parse literal values
    opts = [":name => #{name.inspect}", ":list => #{values.split(',').map(&:strip).inspect}"]
    if show_values = @params[:show]
      opts << ":show => #{show_values.split(',').map(&:strip).inspect}"
    elsif show_values = @params[:tshow]
      opts << ":show => #{translate_list(show_values).inspect}"
    end
    meth = RubyLess.translate(self, "this.#{name}")
    opts << ":selected => #{meth}"
    attribute = name
    res = "<%= make_checkbox(#{node}, #{opts.join(', ')}) %>"
  else
    if name = @params[:name]
      if name =~ /(.*)_ids?\Z/
        role = $1
      else
        role = name
      end
    else
      role = @params[:role]
    end
    return parser_error("missing 'role'") unless role
    # nodes
    meth = role.singularize

    if nodes =~ /^\d+\s*($|,)/
      values = nodes.split(',').map{|v| v.to_i}
      finder = "secure(Node) { Node.all(:conditions => 'zip IN (#{values.join(',')})') }"
    else
      return unless finder = build_finder(:all, nodes, @params)
      return parser_error("invalid class (#{finder[:class]})") unless finder[:class].first <= Node
      finder = finder[:method]
    end

    attribute = @params[:attr] || 'title'
    res = "<%= make_checkbox(#{node}, :list => #{finder}, :role => #{meth.inspect}, :attr => #{attribute.inspect}) %>"
  end

  extract_label(res, attribute)
end

#r_crop ⇒ Object

form << “<%= error_messages_for(#node) %>”

@blocks = blocks_bak if blocks_bak

@html_tag_done = false
@html_tag_params.merge!(id_hash)
out render_html_tag(res)



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# File 'lib/zena/use/forms.rb', line 716

def r_crop
  return parser_error("Invalid node type #{node.klass} (should be an Image).") unless node.will_be?(Image)
  @markup.tag ||= 'div'
  node.dom_prefix = dom_name
  @markup.set_id(node.dom_id(:list => false))
  dom = node.dom_id(:erb => false, :list => false)
  out %Q{<%= render :partial => 'documents/crop', :locals => {:node => #{node(Node)}, :img_id => "img#{dom}"} %>}
  out %Q{<% js_data << %Q{new Zena.Div_editor("img#{dom}", 'posx', 'posy', 'width', 'height', \#{#{node}.width / #{node}.width(Iformat['edit']).to_f}, Element.viewportOffset('#{dom}').left, Element.viewportOffset('#{dom}').top);} %>}
end

#r_errors ⇒ Object 



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# File 'lib/zena/use/forms.rb', line 119

def r_errors
  # Very basic for the moment
  "<%= error_messages_for(#{node.form_name}, :object => #{node}) %>"
end

#r_input(skip_col = false) ⇒ Object 



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# File 'lib/zena/use/forms.rb', line 470

def r_input(skip_col = false)
  html_attributes, attribute = get_input_params()
  erb_attr = html_attributes.delete(:erb_attr)
  # TODO: get attribute type from get_input_params

  if !skip_col && node.will_be?(Column) && !@params[:type]
    # hack to change @params
    out "<% if #{node}.ptype == :string -%>"
    out r_textarea
    out "<% elsif #{node}.ptype == :datetime -%>"
    res = "<%= date_box(#{node(Node)}, #{node}.name, :value => #{node(Node)}.prop[#{node}.name]) %>"
    out extract_label(res, erb_attr)
    out "<% else -%>"
    out r_input(true)
    out "<% end -%>"
    return
  end

  res = case @params[:type]
  when 'select' # FIXME: why is this only for classes ?
    out parser_error("please use [select] here")
    r_select
  when 'date_box', 'date'
    return parser_error("date_box without name") unless attribute
    if value = @params[:value]
      code = ::RubyLess.translate(self, value)
    else
      code = ::RubyLess.translate(self, "this.#{attribute}")
    end
    value = code # @context[:in_add] ? "''" : code
    html_params = [':size => 15']
    [:style, :class, :onclick, :size, :time].each do |key|
      html_params << ":#{key} => #{@params[key].inspect}" if @params[key]
    end
    html_params << ":id=>\"#{node.dom_id(:erb => false)}_#{attribute}\"" if node.dom_prefix
    "<%= date_box(#{node}, #{attribute.inspect}, :value => #{value}, #{html_params.join(', ')}) %>"
  when 'id'
    return parser_error("select id without name") unless attribute
    name = "#{attribute}_id" unless attribute[-3..-1] == '_id'
    input_id = @context[:erb_dom_id] ? ", :input_id =>\"#{erb_dom_id}_#{attribute}\"" : ''
    # FIXME: pass object
    "<%= select_id('#{node.form_name}', #{attribute.inspect}#{input_id}) %>"
  when 'time_zone'
    out parser_error("please use [select] here")
    r_select
  when 'submit'
    @markup.tag = 'input'
    @markup.set_param(:type, @params[:type])
    @markup.set_param(:text, @params[:text]) if @params[:text]
    @markup.set_params(html_attributes)
    wrap('')
  else
    # 'text', 'hidden', ...
    return parser_error('Missing name.') unless attribute || html_attributes[:name]
    @markup.tag = 'input'
    @markup.set_param(:type, @params[:type] || 'text')

    checked = html_attributes.delete(:checked)
    @markup.set_dyn_params(html_attributes)
    @markup.append_attribute checked if checked
    wrap('')
  end

  if @params[:type] == 'checkbox'
    out "<input type='hidden' name='#{html_attributes[:name]}' value='#{@params[:blank]}'/>"
  end
  extract_label(res, attribute || erb_attr)
end

#r_new ⇒ Object

Enter the context of a newly created object



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# File 'lib/zena/use/forms.rb', line 83

def r_new
  return parser_error("missing 'klass' parameter") unless class_name = @params[:klass]
  return parser_error("invalid 'klass' parameter") unless klass = get_class(class_name)
  return parser_error("invalid 'klass' parameter (not a Node)") unless klass <= Node

  res  = []
  keys = {:klass => 'this.klass', :parent_id => "#{node(Node)}.zip"}
  @params.each do |key, value|
    next if key == :klass
    # TODO: maybe it would be safer to check with [:"key="] and change safe_property to
    # authorize both ?
    next unless type = klass.safe_method_type([key.to_s])
    # Store how to access current value to show hidden field in form.
    keys[key] = "this.#{type[:method]}"
    code = RubyLess.translate(self, value)
    if code.klass == type[:class]
      res << ":#{key} => #{code}"
    else
      out parser_error("invalid type for '#{key}' (found #{code.klass}, expected #{type[:class]})")
    end
  end

  if res == []
    method = "new_instance(#{class_name.inspect})"
  else
    method = "new_instance(#{class_name.inspect}, #{res.join(', ')})"
  end

  expand_with_finder(
    :method     => method,
    :class      => klass,
    :nil        => true,
    :new_keys   => keys
  )
end

#r_select ⇒ Object

<r:select name=‘klass’ root_class=‘…’/> <r:select name=‘parent_id’ nodes=‘projects in site’/> <r:select name=‘parent_id’ values=‘a,b,c’/> TODO: optimization (avoid loading full AR to only use [id, name])



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# File 'lib/zena/use/forms.rb', line 415

def r_select
  html_attributes, attribute = get_input_params()
  erb_attr = html_attributes.delete(:erb_attr)
  # TEMPORARY HACK UNTIL WE FIX get_input_params to return a single hash with
  # {:html => { prepared html attributes }, :raw => {:value => '..', :name => '..', :param => '..'}}
  if param = @params[:param]
    selected  = "params[#{param.to_sym.inspect}].to_s"
    attribute = param
  else
    return parser_error("missing name") unless attribute

    if value = @params[:selected]
      selected = ::RubyLess.translate_string(self, value)
    elsif @context[:in_filter]
      selected = "params[#{attribute.to_sym.inspect}].to_s"
    elsif %w{parent_id}.include?(attribute)
      selected = "#{node}.parent_zip.to_s"
    elsif attribute == 'copy_id'
      selected = 'nil'
    elsif attribute =~ /^(.*)_id$/
      # relation
      selected = "#{node}.rel[#{$1.inspect}].other_zip.to_s"
    elsif type = node.klass.safe_method_type([attribute])
      selected = "#{node}.#{type[:method]}.to_s"
    else
      # ???
      selected = "#{node}.prop[#{attribute.inspect}].to_s"
    end
  end

  html_id = html_attributes[:id] ? " id='#{html_attributes[:id]}'" : ''
  if @context[:in_filter] || @params[:param]
    select_tag = "<select#{html_id} name='#{attribute}'>"
  else
    select_tag = "<select#{html_id} name='#{node.form_name}[#{attribute}]'>"
  end

  res = if klass = @params[:root_class]
    class_opts = ''
    class_opts << ", :without => #{@params[:without].inspect}" if @params[:without]
    # do not use 'selected' if the node is not new
    "#{select_tag}<%= options_for_select(Node.classes_for_form(:class => #{klass.inspect}#{class_opts}, :class_attr => #{(@params[:attr] || 'name').inspect}), (#{node}.new_record? ? #{selected} : #{node}.klass)) %></select>"
  elsif @params[:type] == 'time_zone'
    # <r:select name='d_tz' type='time_zone'/>
    "#{select_tag}<%= options_for_select(TZInfo::Timezone.all_identifiers, #{selected}) %></select>"
  elsif options_list = get_options_for_select
    "#{select_tag}<%= options_for_select(#{options_list}, #{selected}) %></select>"
  else
    parser_error("missing 'nodes', 'root_class' or 'values'")
  end

  extract_label(res, attribute || erb_attr)
end

#r_textarea ⇒ Object 



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# File 'lib/zena/use/forms.rb', line 388

def r_textarea
  html_attributes, attribute = get_input_params()
  erb_attr = html_attributes.delete(:erb_attr)
  value = html_attributes.delete(:value)

  return parser_error('Missing name.') unless attribute || html_attributes[:name]

  @markup.tag = 'textarea'
  @markup.set_dyn_params(html_attributes)

  if @blocks == [] || @blocks == ['']
    if @context[:in_add]
      value = ''
    end
  else
    value = expand_with
  end

  res = @markup.wrap(value)

  extract_label(res, attribute || erb_attr)
end