Class: Kadmin::PagerDecorator

Inherits:

Object

• Object
• Kadmin::PagerDecorator

Defined in:

app/decorators/kadmin/pager_decorator.rb

Instance Attribute Summary

• #pager ⇒ Kadmin::Pager readonly

  Underlying pager model.

Instance Method Summary

• #displayed_items ⇒ Integer

  The current number of items displayed for this page.

• #initialize(pager) ⇒ PagerDecorator constructor

  A new instance of PagerDecorator.

• #next_page_offset ⇒ Object
• #page_end ⇒ Integer

  The index number of the last item for this page.

• #page_start ⇒ Integer

  The index number of the start item for this page.

Constructor Details

#initialize(pager) ⇒ PagerDecorator

# File 'app/decorators/kadmin/pager_decorator.rb', line 10

def initialize(pager)
  @pager = pager
end

Instance Attribute Details

#pager ⇒ Kadmin::Pager (readonly)

# File 'app/decorators/kadmin/pager_decorator.rb', line 4

def pager
  @pager
end

Instance Method Details

#displayed_items ⇒ Integer

# File 'app/decorators/kadmin/pager_decorator.rb', line 15

def displayed_items
  return page_end - offset
end

#next_page_offset ⇒ Object

# File 'app/decorators/kadmin/pager_decorator.rb', line 29

def next_page_offset
  return @pager.offset_at(current_page + 1)
end

#page_end ⇒ Integer

# File 'app/decorators/kadmin/pager_decorator.rb', line 20

def page_end
  return [next_page_offset, total].min
end

#page_start ⇒ Integer

# File 'app/decorators/kadmin/pager_decorator.rb', line 25

def page_start
  return offset + 1
end