diff options
Diffstat (limited to 'actionpack/lib/action_view/helpers/javascript_helper.rb')
| -rw-r--r-- | actionpack/lib/action_view/helpers/javascript_helper.rb | 30 |
1 files changed, 25 insertions, 5 deletions
diff --git a/actionpack/lib/action_view/helpers/javascript_helper.rb b/actionpack/lib/action_view/helpers/javascript_helper.rb index 93a6e700b3..86829c2738 100644 --- a/actionpack/lib/action_view/helpers/javascript_helper.rb +++ b/actionpack/lib/action_view/helpers/javascript_helper.rb @@ -1,4 +1,5 @@ require File.dirname(__FILE__) + '/tag_helper' +require File.dirname(__FILE__) + '/prototype_helper' module ActionView module Helpers @@ -40,15 +41,26 @@ module ActionView unless const_defined? :JAVASCRIPT_PATH JAVASCRIPT_PATH = File.join(File.dirname(__FILE__), 'javascripts') end + + include PrototypeHelper # Returns a link that'll trigger a JavaScript +function+ using the # onclick handler and return false after the fact. # + # The +function+ argument can be omitted in favor of an +update_page+ + # block, which evaluates to a string when the template is rendered + # (instead of making an Ajax request first). + # # Examples: # link_to_function "Greeting", "alert('Hello world!')" - # link_to_function(image_tag("delete"), "if confirm('Really?'){ do_delete(); }") - def link_to_function(name, function, html_options = {}) + # link_to_function(image_tag("delete"), "if (confirm('Really?')) do_delete()") + # link_to_function("Show me more", nil, :id => "more_link") do |page| + # page[:details].visual_effect :toggle_blind + # page[:more_link].replace_html "Show me less" + # end + def link_to_function(name, function = '', html_options = {}, &block) html_options.symbolize_keys! + function = update_page(&block) if block_given? content_tag( "a", name, html_options.merge({ @@ -58,14 +70,22 @@ module ActionView ) end - # Returns a link that'll trigger a JavaScript +function+ using the + # Returns a button that'll trigger a JavaScript +function+ using the # onclick handler. # + # The +function+ argument can be omitted in favor of an +update_page+ + # block, which evaluates to a string when the template is rendered + # (instead of making an Ajax request first). + # # Examples: # button_to_function "Greeting", "alert('Hello world!')" - # button_to_function "Delete", "if confirm('Really?'){ do_delete(); }") - def button_to_function(name, function, html_options = {}) + # button_to_function "Delete", "if (confirm('Really?')) do_delete()" + # button_to_function "Details" do |page| + # page[:details].visual_effect :toggle_slide + # end + def button_to_function(name, function = '', html_options = {}, &block) html_options.symbolize_keys! + function = update_page(&block) if block_given? tag(:input, html_options.merge({ :type => "button", :value => name, :onclick => (html_options[:onclick] ? "#{html_options[:onclick]}; " : "") + "#{function};" |