Module: RuoteKit::Helpers::LinkHelpers

Defined in:
lib/ruote-kit/helpers/link_helpers.rb

Overview

Helpers about links

Instance Method Summary collapse

Instance Method Details

Returns an <a href=“x” rel=“y”>z</a>, uses #hlink.



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# File 'lib/ruote-kit/helpers/link_helpers.rb', line 70

def alink(*args)

  args << {} unless args.last.is_a?(Hash)
  args.last[:title] = true

  opts = args.last

  hl = hlink(*args)

  attributes = %w[ href rel title ].inject([]) { |a, att|
    if val = hl[att]
      a << "#{att}=\"#{val}\""
    end
    a
  }.join(' ')

  "<a #{attributes}>#{opts[:text] || hl['href']}</a>"
end

#as_json ⇒ Object

Computes the path to the JSON alternate version of the current request uri, used by the the “as_json link at the bottom of each page.

Returns the String path.



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# File 'lib/ruote-kit/helpers/link_helpers.rb', line 16

def as_json

  href = request.path + '.json'

  if request.query_string.length > 0
    href = "#{href}?#{request.query_string}"
  end

  href
end

#hlink(*args) ⇒ Object

Determining { ‘href’ => ‘x’, ‘rel’ => ‘y’, … } and co



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# File 'lib/ruote-kit/helpers/link_helpers.rb', line 29

def hlink(*args)

  query = args.last.is_a?(Hash) ? args.pop : {}
  query = query.reject { |k, v| k == :text }

  args = args.collect { |arg| arg.to_s }

  if args.last == 'head'
    args.pop
    query[:skip] = 0
    query[:limit] = settings.limit
  end

  rel   = query.delete(:rel) || compute_rel(args)
  title = query.delete(:title)

  query = Rack::Utils.build_query(query.sort)
  query = "?#{query}" if !query.empty?

  if args.empty? or ( ! args.first.match(/^\/\_ruote/))
    args.unshift('/_ruote')
  end
  href = args.join('/')

  href = url("#{href}#{query}", false)

  result = {
    'href' => href,
    'rel'  => rel.match(/^#/) ?
      "http://ruote.rubyforge.org/rels.html#{rel}" : rel,
  }

  if title
    result['title'] = title == true ? href : title
  end

  result
end