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