Class: Paginator::Page

Inherits:

Object

• Object
• Paginator::Page

show all

Extended by:

Forwardable

Defined in:

lib/active_scaffold/paginator.rb,
lib/active_scaffold/extensions/paginator_extensions.rb

Overview

Instance Attribute Summary (collapse)

• - (Object) number readonly

  Returns the value of attribute number.

• - (Object) pager readonly

  Returns the value of attribute pager.

Instance Method Summary (collapse)

• - (Object) ==(other)

  :nodoc:.

• - (Object) first_item_number

  The "item number" of the first item on this page.

• - (Page) initialize(pager, number, select) constructor

  :nodoc:.

• - (Object) items

  Retrieve the items for this page

  • Caches.

• - (Object) last_item_number

  The "item number" of the last item on this page.

• - (Object) next

  Get next page (if possible).

• - (Boolean) next?

  Checks to see if there's a page after this one.

• - (Boolean) next_with_infinite?

  Checks to see if there's a page after this one.

• - (Object) prev

  Get previous page (if possible).

• - (Boolean) prev?

  Checks to see if there's a page before this one.

84
85
86
87
88

# 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

82
83
84

# File 'lib/active_scaffold/paginator.rb', line 82

def number
  @number
end

82
83
84

# File 'lib/active_scaffold/paginator.rb', line 82

def pager
  @pager
end

130
131
132

# File 'lib/active_scaffold/paginator.rb', line 130

def ==(other) #:nodoc:
  @pager == other.pager && self.number == other.number
end

117
118
119

# File 'lib/active_scaffold/paginator.rb', line 117

def first_item_number
  1 + @offset
end

92
93
94

# File 'lib/active_scaffold/paginator.rb', line 92

def items
  @items ||= @select.call
end

122
123
124
125
126
127
128

# File 'lib/active_scaffold/paginator.rb', line 122

def last_item_number
  if next?
    @offset + @pager.per_page
  else
    @pager.count
  end
end

112
113
114

# File 'lib/active_scaffold/paginator.rb', line 112

def next
  @pager.page(@number + 1) if next?
end

107
108
109

# File 'lib/active_scaffold/paginator.rb', line 107

def next?
  @number < @pager.number_of_pages
end

18
19
20
21

# File 'lib/active_scaffold/extensions/paginator_extensions.rb', line 18

def next_with_infinite?
  return true if @pager.infinite?
  next_without_infinite?
end

102
103
104

# File 'lib/active_scaffold/paginator.rb', line 102

def prev
  @pager.page(@number - 1) if prev?
end

97
98
99

# File 'lib/active_scaffold/paginator.rb', line 97

def prev?
  @number > 1
end