Class: Paginator::Page
- Extended by:
- Forwardable
- Defined in:
- lib/active_scaffold/paginator.rb,
lib/active_scaffold/extensions/paginator_extensions.rb
Overview
Page object
Retrieves items for a page and provides metadata about the position of the page in the paginator
Instance Attribute Summary collapse
-
#number ⇒ Object
readonly
Returns the value of attribute number.
-
#pager ⇒ Object
readonly
Returns the value of attribute pager.
Instance Method Summary collapse
-
#==(other) ⇒ Object
:nodoc:.
-
#first_item_number ⇒ Object
The “item number” of the first item on this page.
-
#initialize(pager, number, select) ⇒ Page
constructor
:nodoc:.
-
#items ⇒ Object
Retrieve the items for this page * Caches.
-
#last_item_number ⇒ Object
The “item number” of the last item on this page.
-
#next ⇒ Object
Get next page (if possible).
-
#next? ⇒ Boolean
Checks to see if there’s a page after this one.
-
#next_with_infinite? ⇒ Boolean
Checks to see if there’s a page after this one.
-
#prev ⇒ Object
Get previous page (if possible).
-
#prev? ⇒ Boolean
Checks to see if there’s a page before this one.
Constructor Details
#initialize(pager, number, select) ⇒ Page
:nodoc:
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# File 'lib/active_scaffold/paginator.rb', line 84 def initialize(pager, number, select) #:nodoc: @pager, @number = pager, number @offset = (number - 1) * pager.per_page @select = select end |
Instance Attribute Details
#number ⇒ Object (readonly)
Returns the value of attribute number.
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# File 'lib/active_scaffold/paginator.rb', line 82 def number @number end |
#pager ⇒ Object (readonly)
Returns the value of attribute pager.
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# File 'lib/active_scaffold/paginator.rb', line 82 def pager @pager end |
Instance Method Details
#==(other) ⇒ Object
:nodoc:
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# File 'lib/active_scaffold/paginator.rb', line 130 def ==(other) #:nodoc: @pager == other.pager && self.number == other.number end |
#first_item_number ⇒ Object
The “item number” of the first item on this page
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# File 'lib/active_scaffold/paginator.rb', line 117 def first_item_number 1 + @offset end |
#items ⇒ Object
Retrieve the items for this page
-
Caches
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# File 'lib/active_scaffold/paginator.rb', line 92 def items @items ||= @select.call end |
#last_item_number ⇒ Object
The “item number” of the last item on this page
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# File 'lib/active_scaffold/paginator.rb', line 122 def last_item_number if next? @offset + @pager.per_page else @pager.count end end |
#next ⇒ Object
Get next page (if possible)
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# File 'lib/active_scaffold/paginator.rb', line 112 def next @pager.page(@number + 1) if next? end |
#next? ⇒ Boolean
Checks to see if there’s a page after this one
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# File 'lib/active_scaffold/paginator.rb', line 107 def next? @number < @pager.number_of_pages end |
#next_with_infinite? ⇒ Boolean
Checks to see if there’s a page after this one
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# File 'lib/active_scaffold/extensions/paginator_extensions.rb', line 18 def next_with_infinite? return true if @pager.infinite? next_without_infinite? end |
#prev ⇒ Object
Get previous page (if possible)
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# File 'lib/active_scaffold/paginator.rb', line 102 def prev @pager.page(@number - 1) if prev? end |
#prev? ⇒ Boolean
Checks to see if there’s a page before this one
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# File 'lib/active_scaffold/paginator.rb', line 97 def prev? @number > 1 end |