Class: RailsPaginate::Pagers::Slider

Inherits:
Base
  • Object
show all
Defined in:
lib/rails_paginate/pagers/slider.rb

Overview

slider method

Constant Summary collapse

@@inner = 
3
@@outer = 
1

Instance Attribute Summary

Attributes inherited from Base

#collection, #options

Instance Method Summary collapse

Methods inherited from Base

#current_page, #initialize, #pages

Constructor Details

This class inherits a constructor from RailsPaginate::Pagers::Base

Instance Method Details

#inner ⇒ Object

get option of inner



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# File 'lib/rails_paginate/pagers/slider.rb', line 58

def inner
  options[:inner] || self.class.inner
end

#inner_range ⇒ Object

build dummy inner range



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# File 'lib/rails_paginate/pagers/slider.rb', line 36

def inner_range
  @inner_range ||= (current_page - inner)..(current_page + inner)
end

#outer ⇒ Object

get option of out



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# File 'lib/rails_paginate/pagers/slider.rb', line 63

def outer
  options[:outer] || self.class.outer
end

#visible?(page) ⇒ Boolean

looks should this page visible

Returns:

  • (Boolean) 


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# File 'lib/rails_paginate/pagers/slider.rb', line 41

def visible?(page)
  # outer
  if outer > 0
    return true if outer >= page
    return true if (pages - outer) < page
  end

  # current page
  return true if current_page == page

  # inner
  return true if inner_range.include? page

  false
end

#visible_pages ⇒ Object

build array with all visible pages



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# File 'lib/rails_paginate/pagers/slider.rb', line 14

def visible_pages
  visible = []
  last_inserted = 0
  splited = false
  (1..pages).each do |page|
    # insert
    if visible? page
      visible << page
      last_inserted = page
      splited = false
    else
      # need splitter
      if not splited and outer > 0 and last_inserted < page
        visible << nil
        splited = true
      end
    end
  end
  visible
end