Class: Gumdrop::Util::Pager

Inherits:
Object
  • Object
show all
Defined in:
lib/gumdrop/util/pager.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(articles, base_path = "/page", page_size = 5) ⇒ Pager

Returns a new instance of Pager.



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# File 'lib/gumdrop/util/pager.rb', line 6

def initialize(articles, base_path="/page", page_size=5)
  @all= articles
  @page_size= page_size
  @base_path= base_path
  @page_sets= @all.in_groups_of(page_size, false)
  @pages= []
  @current_page=1
  @page_sets.each do |art_ary|
    @pages << HashObject.from({
      items: art_ary,
      page: @current_page,
      uri: "#{base_path}/#{current_page}",
      pager: self
    })
    @current_page += 1
  end
  @current_page= nil
end

Instance Attribute Details

#all ⇒ Object (readonly)

Returns the value of attribute all.



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# File 'lib/gumdrop/util/pager.rb', line 4

def all
  @all
end

#base_path ⇒ Object (readonly)

Returns the value of attribute base_path.



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# File 'lib/gumdrop/util/pager.rb', line 4

def base_path
  @base_path
end

#current_page ⇒ Object (readonly)

Returns the value of attribute current_page.



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# File 'lib/gumdrop/util/pager.rb', line 4

def current_page
  @current_page
end

#page_sets ⇒ Object (readonly)

Returns the value of attribute page_sets.



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# File 'lib/gumdrop/util/pager.rb', line 4

def page_sets
  @page_sets
end

#pages ⇒ Object (readonly)

Returns the value of attribute pages.



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# File 'lib/gumdrop/util/pager.rb', line 4

def pages
  @pages
end

Instance Method Details

#[](key) ⇒ Object 



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# File 'lib/gumdrop/util/pager.rb', line 59

def [](key)
  @pages[key]
end

#current ⇒ Object 



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# File 'lib/gumdrop/util/pager.rb', line 25

def current
  @pages.fetch(@current_page, nil)
end

#each ⇒ Object 



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# File 'lib/gumdrop/util/pager.rb', line 41

def each
  @current_page=1
  @pages.each do |page_set|
    yield page_set
    @current_page += 1
  end
  @current_page= nil
end

#each_with_index ⇒ Object 



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# File 'lib/gumdrop/util/pager.rb', line 50

def each_with_index
  @current_page=1
  @pages.each do |page_set|
    yield page_set, @current_page - 1
    @current_page += 1
  end
  @current_page= nil
end

#first ⇒ Object 



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# File 'lib/gumdrop/util/pager.rb', line 33

def first
  @pages.first
end

#last ⇒ Object 



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# File 'lib/gumdrop/util/pager.rb', line 37

def last
  @pages.last
end

#length ⇒ Object 



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# File 'lib/gumdrop/util/pager.rb', line 29

def length
  @pages.length
end