From fd9967bca2aa32dd4173881c4d8c55f5ebabe97e Mon Sep 17 00:00:00 2001 From: David Heinemeier Hansson Date: Sun, 6 Mar 2005 14:06:33 +0000 Subject: Added UrlHelper#link_to_if/link_to_unless to enable other conditions that just link_to_unless_current #757 [mindel] git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@852 5ecf4fe2-1ee6-0310-87b1-e25e094e27de --- actionpack/lib/action_view/helpers/url_helper.rb | 24 +++++++++++++++++++----- 1 file changed, 19 insertions(+), 5 deletions(-) (limited to 'actionpack/lib/action_view') diff --git a/actionpack/lib/action_view/helpers/url_helper.rb b/actionpack/lib/action_view/helpers/url_helper.rb index 7acfb6407a..3f014d4822 100644 --- a/actionpack/lib/action_view/helpers/url_helper.rb +++ b/actionpack/lib/action_view/helpers/url_helper.rb @@ -86,14 +86,28 @@ module ActionView # request uri is the same as the link's, in which case only the name is returned (or the # given block is yielded, if one exists). This is useful for creating link bars where you don't want to link # to the page currently being viewed. - def link_to_unless_current(name, options = {}, html_options = {}, *parameters_for_method_reference) - if current_page?(options) - block_given? ? - yield(name, options, html_options, *parameters_for_method_reference) : + def link_to_unless_current(name, options = {}, html_options = {}, *parameters_for_method_reference, &block) + link_to_unless current_page?(options), name, options, html_options, *parameters_for_method_reference, &block + end + + # Create a link tag of the given +name+ using an URL created by the set of +options+, unless +condition+ + # is true, in which case only the name is returned (or the given block is yielded, if one exists). + def link_to_unless(condition, name, options = {}, html_options = {}, *parameters_for_method_reference, &block) + if condition + if block_given? + block.arity <= 1 ? yield(name) : yield(name, options, html_options, *parameters_for_method_reference) + else html_escape(name) + end else link_to(name, options, html_options, *parameters_for_method_reference) - end + end + end + + # Create a link tag of the given +name+ using an URL created by the set of +options+, if +condition+ + # is true, in which case only the name is returned (or the given block is yielded, if one exists). + def link_to_if(condition, name, options = {}, html_options = {}, *parameters_for_method_reference, &block) + link_to_unless !condition, name, options, html_options, *parameters_for_method_reference, &block end # Creates a link tag for starting an email to the specified email_address, which is also used as the name of the -- cgit v1.2.3