Class: Datewari::Helper::LinkRenderer

Inherits:
Object
  • Object
show all
Defined in:
lib/datewari/helper/link_renderer.rb

Instance Method Summary collapse

Constructor Details

#initialize(config, paginator, template) ⇒ LinkRenderer

Returns a new instance of LinkRenderer.



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# File 'lib/datewari/helper/link_renderer.rb', line 4

def initialize(config, paginator, template)
  @config = config
  @paginator = paginator
  @template = template
end

Instance Method Details

#container ⇒ Object 



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# File 'lib/datewari/helper/link_renderer.rb', line 30

def container
  content_tag :div, class: 'pagination' do
    yield
  end
end

#date_label(date, scope) ⇒ Object 



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# File 'lib/datewari/helper/link_renderer.rb', line 68

def date_label(date, scope)
  date.strftime(@config["#{scope}_format".to_sym])
end

#date_link(date) ⇒ Object 



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# File 'lib/datewari/helper/link_renderer.rb', line 52

def date_link(date)
  if date == @paginator.current_date
    content_tag :em, date_label(date, @paginator.scope), class: 'current'
  else
    link_to date_label(date, @paginator.scope), url(date)
  end
end

#date_param(date) ⇒ Object 



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# File 'lib/datewari/helper/link_renderer.rb', line 72

def date_param(date)
  date.strftime('%Y-%m-%d')
end

#gap ⇒ Object 



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# File 'lib/datewari/helper/link_renderer.rb', line 60

def gap
  content_tag :span, @config[:page_gap], class: 'gap'
end

#next_link ⇒ Object 



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# File 'lib/datewari/helper/link_renderer.rb', line 44

def next_link
  if (date = @paginator.next_date)
    link_to @config[:next_label], url(date), class: 'next_page', rel: 'next'
  else
    content_tag :span, @config[:next_label], class: 'next_page disabled'
  end
end

#prev_link ⇒ Object 



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# File 'lib/datewari/helper/link_renderer.rb', line 36

def prev_link
  if (date = @paginator.prev_date)
    link_to @config[:previous_label], url(date), class: 'previous_page', rel: 'prev'
  else
    content_tag :span, @config[:previous_label], class: 'previous_page disabled'
  end
end

#render ⇒ Object 



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# File 'lib/datewari/helper/link_renderer.rb', line 10

def render
  return '' if @paginator.pages.size < 2

  container do
    parts = PartsBuilder.new(@config, @paginator).build
    parts.map { |part|
      case part
      when :prev
        prev_link
      when :next
        next_link
      when :gap
        gap if @config[:page_links]
      else
        date_link(part) if @config[:page_links]
      end
    }.compact.join(separator).html_safe
  end
end

#separator ⇒ Object 



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# File 'lib/datewari/helper/link_renderer.rb', line 64

def separator
  content_tag :span, @config[:link_separator], class: 'separator'
end

#url(date) ⇒ Object 



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# File 'lib/datewari/helper/link_renderer.rb', line 76

def url(date)
  date_param = if date == @paginator.pages.first
                 nil
               else
                 date_param(date)
               end
  request_params = @template.request.params.except(:controller, :action)
  url_for(request_params.merge(@config[:params]).merge(@config[:param_name] => date_param))
end