Class: Kaminari::Helpers::Paginator

Inherits:
Tag
  • Object
show all
Includes:
ActionView::Context
Defined in:
lib/kaminari/helpers/paginator.rb

Overview

The main container tag

Defined Under Namespace

Classes: PageProxy

Instance Method Summary collapse

Methods inherited from Tag

#page_url_for

Constructor Details

#initialize(template, options) ⇒ Paginator

:nodoc:



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# File 'lib/kaminari/helpers/paginator.rb', line 11

def initialize(template, options) #:nodoc:
  @window_options = {}.tap do |h|
    h[:window] = options.delete(:window) || options.delete(:inner_window) || Kaminari.config.window
    outer_window = options.delete(:outer_window) || Kaminari.config.outer_window
    h[:left] = options.delete(:left) || Kaminari.config.left
    h[:left] = outer_window if h[:left] == 0
    h[:right] = options.delete(:right) || Kaminari.config.right
    h[:right] = outer_window if h[:right] == 0
  end
  @template, @options = template, options
  @theme = @options[:theme] ? "#{@options[:theme]}/" : ''
  @options[:current_page] = PageProxy.new @window_options.merge(@options), @options[:current_page], nil
  # initialize the output_buffer for Context
  @output_buffer = ActionView::OutputBuffer.new
end

Instance Method Details

#each_page ⇒ Object

enumerate each page providing PageProxy object as the block parameter



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# File 'lib/kaminari/helpers/paginator.rb', line 34

def each_page
  return to_enum(:each_page) unless block_given?

  1.upto(@options[:num_pages]) do |i|
    yield PageProxy.new(@window_options.merge(@options), i, @last)
  end
end

#page_tag(page) ⇒ Object 



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# File 'lib/kaminari/helpers/paginator.rb', line 42

def page_tag(page)
  @last = Page.new @template, @options.merge(:page => page)
end

#render(&block) ⇒ Object

render given block as a view template



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# File 'lib/kaminari/helpers/paginator.rb', line 28

def render(&block)
  instance_eval &block if @options[:num_pages] > 1
  @output_buffer
end

#to_s ⇒ Object

:nodoc:



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# File 'lib/kaminari/helpers/paginator.rb', line 54

def to_s #:nodoc:
  subscriber = ActionView::LogSubscriber.log_subscribers.detect {|ls| ls.is_a? ActionView::LogSubscriber}
  return super @window_options.merge(@options).merge :paginator => self unless subscriber

  # dirty hack to suppress logging render_partial
  class << subscriber
    alias_method :render_partial_with_logging, :render_partial
    # do nothing
    def render_partial(event); end
  end

  ret = super @window_options.merge(@options).merge :paginator => self

  class << subscriber
    alias_method :render_partial, :render_partial_with_logging
    undef :render_partial_with_logging
  end
  ret
end