diff options
Diffstat (limited to 'actionpack/lib')
| -rw-r--r-- | actionpack/lib/action_view/helpers/javascript_helper.rb | 32 |
1 files changed, 7 insertions, 25 deletions
diff --git a/actionpack/lib/action_view/helpers/javascript_helper.rb b/actionpack/lib/action_view/helpers/javascript_helper.rb index 3d77d5c13b..136d006ad1 100644 --- a/actionpack/lib/action_view/helpers/javascript_helper.rb +++ b/actionpack/lib/action_view/helpers/javascript_helper.rb @@ -96,34 +96,16 @@ module ActionView "\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. + # Returns a button whose +onclick+ handler triggers the passed JavaScript. # - # 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" + # 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+. # - # 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 + # button_to_function "Greeting", "alert('Hello world!')", :class => "ok" + # # => <input class="ok" onclick="alert('Hello world!');" type="button" value="Greeting" /> # - # 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] || '' + def button_to_function(name, function='', html_options={}) onclick = "#{"#{html_options[:onclick]}; " if html_options[:onclick]}#{function};" tag(:input, html_options.merge(:type => 'button', :value => name, :onclick => onclick)) |