83 lines
2.8 KiB
Ruby
83 lines
2.8 KiB
Ruby
require 'active_support'
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# = You *will* paginate!
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#
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# First read about WillPaginate::Finder::ClassMethods, then see
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# WillPaginate::ViewHelpers. The magical array you're handling in-between is
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# WillPaginate::Collection.
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#
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# Happy paginating!
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module WillPaginate
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class << self
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# shortcut for <tt>enable_actionpack</tt> and <tt>enable_activerecord</tt> combined
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def enable
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enable_actionpack
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enable_activerecord
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end
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# hooks WillPaginate::ViewHelpers into ActionView::Base
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def enable_actionpack
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return if ActionView::Base.instance_methods.include? 'will_paginate'
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require 'will_paginate/view_helpers'
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ActionView::Base.send :include, ViewHelpers
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if defined?(ActionController::Base) and ActionController::Base.respond_to? :rescue_responses
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ActionController::Base.rescue_responses['WillPaginate::InvalidPage'] = :not_found
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end
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end
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# hooks WillPaginate::Finder into ActiveRecord::Base and classes that deal
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# with associations
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def enable_activerecord
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return if ActiveRecord::Base.respond_to? :paginate
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require 'will_paginate/finder'
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ActiveRecord::Base.send :include, Finder
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# support pagination on associations
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a = ActiveRecord::Associations
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returning([ a::AssociationCollection ]) { |classes|
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# detect http://dev.rubyonrails.org/changeset/9230
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unless a::HasManyThroughAssociation.superclass == a::HasManyAssociation
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classes << a::HasManyThroughAssociation
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end
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}.each do |klass|
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klass.send :include, Finder::ClassMethods
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klass.class_eval { alias_method_chain :method_missing, :paginate }
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end
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end
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# Enable named_scope, a feature of Rails 2.1, even if you have older Rails
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# (tested on Rails 2.0.2 and 1.2.6).
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#
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# You can pass +false+ for +patch+ parameter to skip monkeypatching
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# *associations*. Use this if you feel that <tt>named_scope</tt> broke
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# has_many, has_many :through or has_and_belongs_to_many associations in
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# your app. By passing +false+, you can still use <tt>named_scope</tt> in
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# your models, but not through associations.
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def enable_named_scope(patch = true)
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return if defined? ActiveRecord::NamedScope
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require 'will_paginate/named_scope'
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require 'will_paginate/named_scope_patch' if patch
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ActiveRecord::Base.send :include, WillPaginate::NamedScope
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end
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end
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module Deprecation # :nodoc:
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extend ActiveSupport::Deprecation
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def self.warn(message, callstack = caller)
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message = 'WillPaginate: ' + message.strip.gsub(/\s+/, ' ')
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behavior.call(message, callstack) if behavior && !silenced?
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end
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def self.silenced?
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ActiveSupport::Deprecation.silenced?
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end
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end
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end
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if defined?(Rails) and defined?(ActiveRecord) and defined?(ActionController)
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WillPaginate.enable
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end
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