Module: Card::Format::Nest

Included in:
Card::Format
Defined in:
lib/card/format/nest.rb

Instance Method Summary collapse

Instance Method Details

#fetch_nested_card(options) ⇒ Object 



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# File 'lib/card/format/nest.rb', line 107

def fetch_nested_card options
  Card.fetch options[:inc_name], new: nest_new_args(options)
end

#field_nest(field, opts = {}) ⇒ Object 



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# File 'lib/card/format/nest.rb', line 20

def field_nest field, opts={}
  if field.is_a?(Card)
    nest field, opts
  else
    prepare_nest opts.merge(inc_name: card.cardname.field(field))
  end
end

#field_subformat(field) ⇒ Object 



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# File 'lib/card/format/nest.rb', line 15

def field_subformat field
  field = card.cardname.field(field) unless field.is_a?(Card)
  subformat field
end

#get_nest_content(cardname) ⇒ Object 



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# File 'lib/card/format/nest.rb', line 96

def get_nest_content cardname
  content = params[cardname.to_s.tr('+', '_')]

  # CLEANME This is a hack so plus cards re-populate on failed signups
  p = params['subcards']
  if p && (card_params = p[cardname.to_s])
    content = card_params['content']
  end
  content if content.present? # returns nil for empty string
end

#get_nest_defaults(_nested_card) ⇒ Object 



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# File 'lib/card/format/nest.rb', line 139

def get_nest_defaults _nested_card
  { view: :name }
end

#nest(nested_card, opts = {}) ⇒ Object 



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# File 'lib/card/format/nest.rb', line 64

def nest nested_card, opts={}
  # ActiveSupport::Notifications.instrument('card', message:
  # "nest: #{nested_card.name}, #{opts}") do
  opts.delete_if { |_k, v| v.nil? }
  opts.reverse_merge! nest_defaults(nested_card)

  sub = nil
  if opts[:inc_name] =~ /^_(self)?$/
    sub = self
  else
    sub = subformat nested_card
    sub.nest_opts = opts[:items] ? opts[:items].clone : {}
  end

  view = canonicalize_view opts.delete :view
  opts[:home_view] = [:closed, :edit].member?(view) ? :open : view
  # FIXME: special views should be represented in view definitions

  view =
    case @mode
    when :edit then
      view_in_edit_mode(view, nested_card)
    when :template then
      :template_rule
    when :closed then
      view_in_closed_mode(view, nested_card)
    else
      view
    end
  sub.optional_render view, opts
end

#nest_defaults(nested_card) ⇒ Object 



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# File 'lib/card/format/nest.rb', line 131

def nest_defaults nested_card
  @nest_defaults ||= begin
    defaults = get_nest_defaults(nested_card).clone
    defaults.merge! @nest_opts if @nest_opts
    defaults
  end
end

#nest_new_args(options) ⇒ Object 



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# File 'lib/card/format/nest.rb', line 111

def nest_new_args options
  args = { name: options[:inc_name], type: options[:type], supercard: card }
  args.delete(:supercard) if options[:inc_name].strip.blank?
  # special case.  gets absolutized incorrectly. fix in smartname?
  if options[:inc_name] =~ /^_main\+/
    # FIXME: this is a rather hacky (and untested) way to get @superleft
    # to work on new cards named _main+whatever
    args[:name] = args[:name].gsub(/^_main\+/, '+')
    args[:supercard] = root.card
  end
  if (content = get_nest_content options[:inc_name])
    args[:content] = content
  end
  args
end

#prepare_nest(opts) ⇒ Object 



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# File 'lib/card/format/nest.rb', line 42

def prepare_nest opts
  @char_count ||= 0
  opts ||= {}

  case
  when opts.key?(:comment)
    # commented nest
    opts[:comment]
  when @mode == :closed && @char_count > Card.config.max_char_count
    # move on; content out of view
    ''
  when opts[:inc_name] == '_main' && show_layout? && @depth == 0
    # the main card within a layout
    expand_main opts
  else
    # standard nest
    result = nest fetch_nested_card(opts), opts
    @char_count += result.length if @mode == :closed && result
    result
  end
end

#subformat(subcard) ⇒ Object 



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# File 'lib/card/format/nest.rb', line 4

def subformat subcard
  subcard = Card.fetch(subcard, new: {}) if subcard.is_a?(String)
  self.class.new subcard,
                 parent: self, depth: @depth + 1, root: @root,
                 # FIXME: - the following four should not be hard-coded
                 # here.  need a generalized mechanism
                 # for attribute inheritance
                 context_names: @context_names, mode: @mode,
                 mainline: @mainline, form: @form
end

#with_nest_mode(mode) ⇒ Object 



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# File 'lib/card/format/nest.rb', line 28

def with_nest_mode mode
  if (switch_mode = INCLUSION_MODES[mode]) && @mode != switch_mode
    old_mode = @mode
    @mode = switch_mode
    @nest_defaults = nil
  end
  result = yield
  if old_mode
    @nest_defaults = nil
    @mode = old_mode
  end
  result
end

#wrap_main(content) ⇒ Object 



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# File 'lib/card/format/nest.rb', line 127

def wrap_main content
  content # no wrapping in base format
end