From d69e5616e821afc40efa5936c5ab6e087eb4e0c6 Mon Sep 17 00:00:00 2001 From: Joshua Peek Date: Tue, 16 Mar 2010 22:06:16 -0500 Subject: link_to_function is here to stay --- .../lib/action_view/helpers/javascript_helper.rb | 87 ++++++++++++++++++++++ .../lib/action_view/helpers/prototype_helper.rb | 33 -------- 2 files changed, 87 insertions(+), 33 deletions(-) (limited to 'actionpack/lib/action_view/helpers') diff --git a/actionpack/lib/action_view/helpers/javascript_helper.rb b/actionpack/lib/action_view/helpers/javascript_helper.rb index 8dab3094dd..0aa539031d 100644 --- a/actionpack/lib/action_view/helpers/javascript_helper.rb +++ b/actionpack/lib/action_view/helpers/javascript_helper.rb @@ -89,6 +89,93 @@ module ActionView def javascript_cdata_section(content) #:nodoc: "\n//#{cdata_section("\n#{content}\n//")}\n".html_safe end + + # Returns a button with the given +name+ text that'll trigger a JavaScript +function+ using the + # onclick handler. + # + # The first argument +name+ is used as the button's value or display text. + # + # The next arguments are optional and may include the javascript function definition and a hash of html_options. + # + # 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). + # + # The +html_options+ will accept a hash of html attributes for the link tag. Some examples are :class => "nav_button", :id => "articles_nav_button" + # + # Note: if you choose to specify the javascript function in a block, but would like to pass html_options, set the +function+ parameter to nil + # + # Examples: + # button_to_function "Greeting", "alert('Hello world!')" + # button_to_function "Delete", "if (confirm('Really?')) do_delete()" + # button_to_function "Details" do |page| + # page[:details].visual_effect :toggle_slide + # end + # button_to_function "Details", :class => "details_button" do |page| + # page[:details].visual_effect :toggle_slide + # end + def button_to_function(name, *args, &block) + html_options = args.extract_options!.symbolize_keys + + function = block_given? ? update_page(&block) : args[0] || '' + onclick = "#{"#{html_options[:onclick]}; " if html_options[:onclick]}#{function};" + + tag(:input, html_options.merge(:type => 'button', :value => name, :onclick => onclick)) + end + + # Returns a link of the given +name+ that will trigger a JavaScript +function+ using the + # onclick handler and return false after the fact. + # + # The first argument +name+ is used as the link text. + # + # The next arguments are optional and may include the javascript function definition and a hash of html_options. + # + # 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). + # + # The +html_options+ will accept a hash of html attributes for the link tag. Some examples are :class => "nav_button", :id => "articles_nav_button" + # + # Note: if you choose to specify the javascript function in a block, but would like to pass html_options, set the +function+ parameter to nil + # + # + # Examples: + # link_to_function "Greeting", "alert('Hello world!')" + # Produces: + # Greeting + # + # link_to_function(image_tag("delete"), "if (confirm('Really?')) do_delete()") + # Produces: + # + # 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 + # Produces: + # Show me more + # + def link_to_function(name, *args, &block) + html_options = args.extract_options!.symbolize_keys + + function = block_given? ? update_page(&block) : args[0] || '' + 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 diff --git a/actionpack/lib/action_view/helpers/prototype_helper.rb b/actionpack/lib/action_view/helpers/prototype_helper.rb index e46ca53275..ad3bc8c79c 100644 --- a/actionpack/lib/action_view/helpers/prototype_helper.rb +++ b/actionpack/lib/action_view/helpers/prototype_helper.rb @@ -102,39 +102,6 @@ module ActionView :form, :with, :update, :script, :type ]).merge(CALLBACKS) end - # Returns a button with the given +name+ text that'll trigger a JavaScript +function+ using the - # onclick handler. - # - # The first argument +name+ is used as the button's value or display text. - # - # The next arguments are optional and may include the javascript function definition and a hash of html_options. - # - # 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). - # - # The +html_options+ will accept a hash of html attributes for the link tag. Some examples are :class => "nav_button", :id => "articles_nav_button" - # - # Note: if you choose to specify the javascript function in a block, but would like to pass html_options, set the +function+ parameter to nil - # - # Examples: - # button_to_function "Greeting", "alert('Hello world!')" - # button_to_function "Delete", "if (confirm('Really?')) do_delete()" - # button_to_function "Details" do |page| - # page[:details].visual_effect :toggle_slide - # end - # button_to_function "Details", :class => "details_button" do |page| - # page[:details].visual_effect :toggle_slide - # end - def button_to_function(name, *args, &block) - html_options = args.extract_options!.symbolize_keys - - function = block_given? ? update_page(&block) : args[0] || '' - onclick = "#{"#{html_options[:onclick]}; " if html_options[:onclick]}#{function};" - - tag(:input, html_options.merge(:type => 'button', :value => name, :onclick => onclick)) - end - # Returns the JavaScript needed for a remote function. # Takes the same arguments as link_to_remote. # -- cgit v1.2.3