X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/ef7f3d800cbdd49b692df10d312e5fd880e2e938..92384ed9565d6f6558417ea43958612cbf9a87d7:/lib/classic_pagination/pagination.rb?ds=inline diff --git a/lib/classic_pagination/pagination.rb b/lib/classic_pagination/pagination.rb index 7a7177984..b48844000 100644 --- a/lib/classic_pagination/pagination.rb +++ b/lib/classic_pagination/pagination.rb @@ -57,7 +57,9 @@ module ActionController # Paginator#to_sql to retrieve @people from the model. # module Pagination - unless const_defined?(:OPTIONS) + if const_defined?(:OPTIONS) + DEFAULT_OPTIONS[:group] = nil + else # A hash holding options for controllers using macro-style pagination OPTIONS = {} @@ -75,10 +77,8 @@ module ActionController :include => nil, :select => nil, :group => nil, - :parameter => 'page' + :parameter => "page" } - else - DEFAULT_OPTIONS[:group] = nil end def self.included(base) #:nodoc: @@ -98,7 +98,7 @@ module ActionController unknown_option_keys.empty? options[:singular_name] ||= ActiveSupport::Inflector.singularize(collection_id.to_s) - options[:class_name] ||= ActiveSupport::Inflector.camelize(options[:singular_name]) + options[:class_name] ||= ActiveSupport::Inflector.camelize(options[:singular_name]) end # Returns a paginator and a collection of Active Record model instances @@ -195,10 +195,7 @@ module ActionController collection = collection.order(options[:order_by] || options[:order]) collection = collection.includes(options[:include]) collection = collection.group(options[:group]) - - if options[:select] - collection = collection.select(options[:select]) - end + collection = collection.select(options[:select]) if options[:select] collection.offset(paginator.current.offset).limit(options[:per_page]) end @@ -229,7 +226,7 @@ module ActionController # than or equal to zero). The page CGI parameter for links defaults to # "page" and can be overridden with +page_parameter+. def initialize(controller, item_count, items_per_page, current_page = 1) - fail ArgumentError, 'must have at least one item per page' if + fail ArgumentError, "must have at least one item per page" if items_per_page <= 0 @controller = controller @@ -246,7 +243,7 @@ module ActionController # not belong to this Paginator, an ArgumentError is raised. def current_page=(page) if page.is_a? Page - fail ArgumentError, 'Page/Paginator mismatch' unless + fail ArgumentError, "Page/Paginator mismatch" unless page.paginator == self end page = page.to_i @@ -273,8 +270,12 @@ module ActionController # Returns the number of pages in this paginator. def page_count - @page_count ||= @item_count.zero? ? 1 : - (q, r = @item_count.divmod(@items_per_page); r == 0 ? q : q + 1) + @page_count ||= if @item_count.zero? + 1 + else + q, r = @item_count.divmod(@items_per_page) + r == 0 ? q : q + 1 + end end alias_method :length, :page_count @@ -315,19 +316,19 @@ module ActionController # Compares two Page objects and returns true when they represent the # same page (i.e., their paginators are the same and they have the # same page number). - def ==(page) - return false if page.nil? - @paginator == page.paginator && - @number == page.number + def ==(other) + return false if other.nil? + @paginator == other.paginator && + @number == other.number end # Compares two Page objects and returns -1 if the left-hand page comes # before the right-hand page, 0 if the pages are equal, and 1 if the # left-hand page comes after the right-hand page. Raises ArgumentError # if the pages do not belong to the same Paginator object. - def <=>(page) - fail ArgumentError unless @paginator == page.paginator - @number <=> page.number + def <=>(other) + fail ArgumentError unless @paginator == other.paginator + @number <=> other.number end # Returns the item offset for the first item in this page. @@ -358,13 +359,13 @@ module ActionController # Returns a new Page object representing the page just before this # page, or nil if this is the first page. def previous - if first? then nil else @paginator[@number - 1] end + first? ? nil : @paginator[@number - 1] end # Returns a new Page object representing the page just after this # page, or nil if this is the last page. def next - if last? then nil else @paginator[@number + 1] end + last? ? nil : @paginator[@number + 1] end # Returns a new Window object for this page with the specified @@ -399,10 +400,16 @@ module ActionController def padding=(padding) @padding = padding < 0 ? 0 : padding # Find the beginning and end pages of the window - @first = @paginator.has_page_number?(@page.number - @padding) ? - @paginator[@page.number - @padding] : @paginator.first - @last = @paginator.has_page_number?(@page.number + @padding) ? - @paginator[@page.number + @padding] : @paginator.last + @first = if @paginator.has_page_number?(@page.number - @padding) + @paginator[@page.number - @padding] + else + @paginator.first + end + @last = if @paginator.has_page_number?(@page.number + @padding) + @paginator[@page.number + @padding] + else + @paginator.last + end end attr_reader :padding, :first, :last