diff options
Diffstat (limited to 'actionpack/lib/action_view/helpers/javascript_helper.rb')
| -rw-r--r-- | actionpack/lib/action_view/helpers/javascript_helper.rb | 49 |
1 files changed, 19 insertions, 30 deletions
diff --git a/actionpack/lib/action_view/helpers/javascript_helper.rb b/actionpack/lib/action_view/helpers/javascript_helper.rb index f89b6c2f70..32089442b7 100644 --- a/actionpack/lib/action_view/helpers/javascript_helper.rb +++ b/actionpack/lib/action_view/helpers/javascript_helper.rb @@ -44,13 +44,22 @@ module ActionView include PrototypeHelper - # Returns a link that will trigger a JavaScript +function+ using the + # 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: @@ -89,13 +98,21 @@ module ActionView content_tag(:a, name, html_options.merge(:href => href, :onclick => onclick)) end - # Returns a button that'll trigger a JavaScript +function+ using the + # 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()" @@ -114,32 +131,6 @@ module ActionView tag(:input, html_options.merge(:type => 'button', :value => name, :onclick => onclick)) end - # Includes the Action Pack JavaScript libraries inside a single <script> - # tag. The function first includes prototype.js and then its core extensions, - # (determined by filenames starting with "prototype"). - # Afterwards, any additional scripts will be included in undefined order. - # - # Note: The recommended approach is to copy the contents of - # lib/action_view/helpers/javascripts/ into your application's - # public/javascripts/ directory, and use +javascript_include_tag+ to - # create remote <script> links. - def define_javascript_functions - javascript = "<script type=\"#{Mime::JS}\">" - - # load prototype.js and its extensions first - prototype_libs = Dir.glob(File.join(JAVASCRIPT_PATH, 'prototype*')).sort.reverse - prototype_libs.each do |filename| - javascript << "\n" << IO.read(filename) - end - - # load other libraries - (Dir.glob(File.join(JAVASCRIPT_PATH, '*')) - prototype_libs).each do |filename| - javascript << "\n" << IO.read(filename) - end - javascript << '</script>' - end - - JS_ESCAPE_MAP = { '\\' => '\\\\', '</' => '<\/', @@ -216,7 +207,5 @@ module ActionView end end end - - JavascriptHelper = JavaScriptHelper unless const_defined? :JavascriptHelper end end |