Module: Buscar::Helpers

Defined in:
lib/buscar/helpers.rb

Instance Method Summary collapse

Instance Method Details

#buscar_index_menu(index, type, options) ⇒ Object 



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# File 'lib/buscar/helpers.rb', line 53

def buscar_index_menu(index, type, options)
  options.reverse_merge! :link_to_current => true
  content_tag('ul', :class => "#{type}_menu") do
    choices = ''
    index.send("#{type}_param_options").each do |param, label_str|
      choices << content_tag('li') do
        label_str = param.to_s.humanize if label_str.nil?
        is_selected = index.send("#{type}_param").to_s == param.to_s
        if is_selected and !options[:link_to_current]
          ('<span class="selected">' + label_str + '</span>').html_safe
        else
          link_options = is_selected ? {:class => 'selected'} : {}
          link_to label_str, yield(param), link_options
        end
      end
    end
    choices.html_safe
  end.html_safe
end

#filter_menu(index, options = {}, &block) ⇒ Object 



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# File 'lib/buscar/helpers.rb', line 73

def filter_menu(index, options = {}, &block)
  buscar_index_menu(index, 'filter', options, &block)
end

#page_links(index) ⇒ Object

Accepts an instance of Buscar::Index, which will tell it the total number of pages, the current page, and the number of records per page. Accepts a block, which is yielded each page number and must return a URL to that page.



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# File 'lib/buscar/helpers.rb', line 5

def page_links(index)
  unless block_given?
    raise ArgumentError, 'page_links requires a block.'
  end
  total_pages = index.page_count
  if total_pages > 1
    current_page = index.page + 1
    content_tag('ul', 'class' => 'pagination') do
      lis = ''
      min_page = current_page - 2
      min_page = 1 if min_page < 1
      max_page = current_page + 2
      max_page = total_pages if max_page > total_pages
      if current_page > 1
        lis << content_tag('li', link_to('&laquo; Back'.html_safe, yield(current_page - 1)))
      end
      if min_page > 1
        lis << content_tag('li', link_to('1', yield(1)))
      end
      if min_page > 2
        lis << content_tag('li', '...')
      end
      (min_page..max_page).each do |page|
        lis << content_tag('li') do
          if current_page.to_i == page
            page.to_s
          else
            link_to page, yield(page)
          end
        end
      end
      if max_page < total_pages - 1
        lis << content_tag('li', '...')
      end
      if max_page < total_pages        
        lis << content_tag('li', link_to(total_pages, yield(total_pages)))
      
      end
      if current_page < total_pages
        lis << content_tag('li', link_to('Next &raquo;'.html_safe, yield(current_page + 1)))
      end
      lis.html_safe
    end.html_safe
  else
    nil
  end
end

#sort_menu(index, options = {}, &block) ⇒ Object 



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# File 'lib/buscar/helpers.rb', line 77

def sort_menu(index, options = {}, &block)
  buscar_index_menu(index, 'sort', options, &block)
end