method

current_page?

Ruby on Rails latest stable (v2.3.4) - 3 notes - Class: ActionView::Helpers::UrlHelper

current_page?(options) public

True if the current request URI was generated by the given options.

Examples

Let’s say we’re in the /shop/checkout?order=desc action.

  current_page?(:action => 'process')
  # => false

  current_page?(:controller => 'shop', :action => 'checkout')
  # => true

  current_page?(:controller => 'shop', :action => 'checkout', :order => 'asc')
  # => false

  current_page?(:action => 'checkout')
  # => true

  current_page?(:controller => 'library', :action => 'checkout')
  # => false

Let’s say we’re in the /shop/checkout?order=desc&page=1 action.

  current_page?(:action => 'process')
  # => false

  current_page?(:controller => 'shop', :action => 'checkout')
  # => true

  current_page?(:controller => 'shop', :action => 'checkout', :order => 'desc', :page=>'1')
  # => true

  current_page?(:controller => 'shop', :action => 'checkout', :order => 'desc', :page=>'2')
  # => false

  current_page?(:controller => 'shop', :action => 'checkout', :order => 'desc')
  # => false

  current_page?(:action => 'checkout')
  # => true

  current_page?(:controller => 'library', :action => 'checkout')
  # => false

Show source

# File actionpack/lib/action_view/helpers/url_helper.rb, line 541
      def current_page?(options)
        url_string = CGI.unescapeHTML(url_for(options))
        request = @controller.request
        # We ignore any extra parameters in the request_uri if the 
        # submitted url doesn't have any either.  This lets the function
        # work with things like ?order=asc 
        if url_string.index("?")
          request_uri = request.request_uri
        else
          request_uri = request.request_uri.split('?').first
        end
        if url_string =~ /^\w+:\/\//
          url_string == "#{request.protocol}#{request.host_with_port}#{request_uri}"
        else
          url_string == request_uri
        end
      end

January 16, 2009

4 thanks

/products/1

Code example

  current_page?(product_path(@product))
  # => true

January 2, 2009

2 thanks

current_action? and current_controller?

I use them in link_unless_current_controller helper.

  def current_action?(options)
    url_string = CGI.escapeHTML(url_for(options))
    params = ActionController::Routing::Routes.recognize_path(url_string, :method => :get)
    params[:controller] == @controller.controller_name && params[:action] == @controller.action_name
  end

  def current_controller?(options)
    url_string = CGI.escapeHTML(url_for(options))
    params = ActionController::Routing::Routes.recognize_path(url_string, :method => :get)
    params[:controller] == @controller.controller_name
  end

December 11, 2008