diff options
Diffstat (limited to 'actionpack/lib/action_view/helpers/javascript_helper.rb')
-rw-r--r-- | actionpack/lib/action_view/helpers/javascript_helper.rb | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/actionpack/lib/action_view/helpers/javascript_helper.rb b/actionpack/lib/action_view/helpers/javascript_helper.rb index cc20518b93..9f8cd8caaa 100644 --- a/actionpack/lib/action_view/helpers/javascript_helper.rb +++ b/actionpack/lib/action_view/helpers/javascript_helper.rb @@ -67,6 +67,46 @@ module ActionView def javascript_cdata_section(content) #:nodoc: "\n//#{cdata_section("\n#{content}\n//")}\n".html_safe end + + # Returns a button whose +onclick+ handler triggers the passed JavaScript. + # + # The helper receives a name, JavaScript code, and an optional hash of HTML options. The + # name is used as button label and the JavaScript code goes into its +onclick+ attribute. + # If +html_options+ has an <tt>:onclick</tt>, that one is put before +function+. + # + # button_to_function "Greeting", "alert('Hello world!')", :class => "ok" + # # => <input class="ok" onclick="alert('Hello world!');" type="button" value="Greeting" /> + # + def button_to_function(name, function=nil, html_options={}) + message = "button_to_function is deprecated and will be removed from Rails 4.1. Use Unobtrusive JavaScript instead." + ActiveSupport::Deprecation.warn message + + onclick = "#{"#{html_options[:onclick]}; " if html_options[:onclick]}#{function};" + + tag(:input, html_options.merge(:type => 'button', :value => name, :onclick => onclick)) + end + + # Returns a link whose +onclick+ handler triggers the passed JavaScript. + # + # The helper receives a name, JavaScript code, and an optional hash of HTML options. The + # name is used as the link text and the JavaScript code goes into the +onclick+ attribute. + # If +html_options+ has an <tt>:onclick</tt>, that one is put before +function+. Once all + # the JavaScript is set, the helper appends "; return false;". + # + # The +href+ attribute of the tag is set to "#" unless +html_options+ has one. + # + # link_to_function "Greeting", "alert('Hello world!')", :class => "nav_link" + # # => <a class="nav_link" href="#" onclick="alert('Hello world!'); return false;">Greeting</a> + # + def link_to_function(name, function, html_options={}) + message = "link_to_function is deprecated and will be removed from Rails 4.1. Use Unobtrusive JavaScript instead." + ActiveSupport::Deprecation.warn message + + onclick = "#{"#{html_options[:onclick]}; " if html_options[:onclick]}#{function}; return false;" + href = html_options[:href] || '#' + + content_tag(:a, name, html_options.merge(:href => href, :onclick => onclick)) + end end end end |