From d99ed9bd6a90a01422bee43970930033efdab08d Mon Sep 17 00:00:00 2001 From: Sam Stephenson Date: Mon, 14 Nov 2005 22:28:47 +0000 Subject: Refactored JavaScriptHelper into PrototypeHelper and ScriptaculousHelper. Added PrototypeHelper::JavaScriptGenerator and PrototypeHelper#update_page for easily modifying multiple elements in an Ajax response. git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@3036 5ecf4fe2-1ee6-0310-87b1-e25e094e27de --- actionpack/CHANGELOG | 16 + .../lib/action_view/helpers/javascript_helper.rb | 484 ++----------------- .../lib/action_view/helpers/prototype_helper.rb | 522 +++++++++++++++++++++ .../action_view/helpers/scriptaculous_helper.rb | 105 +++++ actionpack/test/template/javascript_helper_test.rb | 155 ------ actionpack/test/template/prototype_helper_test.rb | 208 ++++++++ .../test/template/scriptaculous_helper_test.rb | 61 +++ 7 files changed, 947 insertions(+), 604 deletions(-) create mode 100644 actionpack/lib/action_view/helpers/prototype_helper.rb create mode 100644 actionpack/lib/action_view/helpers/scriptaculous_helper.rb create mode 100644 actionpack/test/template/prototype_helper_test.rb create mode 100644 actionpack/test/template/scriptaculous_helper_test.rb diff --git a/actionpack/CHANGELOG b/actionpack/CHANGELOG index 163ac77ec2..f5269ffd63 100644 --- a/actionpack/CHANGELOG +++ b/actionpack/CHANGELOG @@ -1,5 +1,21 @@ *SVN* +* Added PrototypeHelper::JavaScriptGenerator and PrototypeHelper#update_page for easily modifying multiple elements in an Ajax response. [Sam Stephenson] Example: + + update_page do |page| + page.insert_html :bottom, 'list', '
  • Last item
    • ' + page.visual_effect :highlight, 'list' + page.hide 'status-indicator', 'cancel-link' + end + + generates the following JavaScript: + + new Insertion.Bottom("list", "
  • Last item
    • "); + new Effect.Highlight("list"); + ["status-indicator", "cancel-link"].each(Element.hide); + +* Refactored JavaScriptHelper into PrototypeHelper and ScriptaculousHelper [Sam Stephenson] + * Update to latest script.aculo.us version (as of [3031]) * Updated docs for in_place_editor, fixes a couple bugs and offers extended support for external controls [Justin Palmer] diff --git a/actionpack/lib/action_view/helpers/javascript_helper.rb b/actionpack/lib/action_view/helpers/javascript_helper.rb index e7109e92e8..033aff5044 100644 --- a/actionpack/lib/action_view/helpers/javascript_helper.rb +++ b/actionpack/lib/action_view/helpers/javascript_helper.rb @@ -2,38 +2,46 @@ require File.dirname(__FILE__) + '/tag_helper' module ActionView module Helpers - # Provides a set of helpers for calling JavaScript functions and, most importantly, to call remote methods using what has - # been labelled AJAX[http://www.adaptivepath.com/publications/essays/archives/000385.php]. This means that you can call - # actions in your controllers without reloading the page, but still update certain parts of it using injections into the - # DOM. The common use case is having a form that adds a new element to a list without reloading the page. + # Provides functionality for working with JavaScript in your views. + # + # == Ajax, controls and visual effects + # + # * For information on using Ajax, see + # ActionView::Helpers::PrototypeHelper. + # * For information on using controls and visual effects, see + # ActionView::Helpers::ScriptaculousHelper. # - # To be able to use the JavaScript helpers, you must include the Prototype JavaScript Framework and for some functions - # script.aculo.us (which both come with Rails) on your pages. Choose one of these options: + # == Including the JavaScript libraries into your pages # - # * Use <%= javascript_include_tag :defaults %> in the HEAD section of your page (recommended): - # The function will return references to the JavaScript files created by the +rails+ command in your - # public/javascripts directory. Using it is recommended as the browser can then cache the libraries - # instead of fetching all the functions anew on every request. - # * Use <%= javascript_include_tag 'prototype' %>: As above, but will only include the Prototype core library, - # which means you are able to use all basic AJAX functionality. For the script.aculo.us-based JavaScript helpers, - # like visual effects, autocompletion, drag and drop and so on, you should use the method described above. - # * Use <%= define_javascript_functions %>: this will copy all the JavaScript support functions within a single - # script block. + # Rails includes the Prototype JavaScript framework and the Scriptaculous + # JavaScript controls and visual effects library. If you wish to use + # these libraries and their helpers (ActionView::Helpers::PrototypeHelper + # and ActionView::Helpers::ScriptaculousHelper), you must do one of the + # following: # - # For documentation on +javascript_include_tag+ see ActionView::Helpers::AssetTagHelper. + # * Use <%= javascript_include_tag :defaults %> in the HEAD + # section of your page (recommended): This function will return + # references to the JavaScript files created by the +rails+ command in + # your public/javascripts directory. Using it is recommended as + # the browser can then cache the libraries instead of fetching all the + # functions anew on every request. + # * Use <%= javascript_include_tag 'prototype' %>: As above, but + # will only include the Prototype core library, which means you are able + # to use all basic AJAX functionality. For the Scriptaculous-based + # JavaScript helpers, like visual effects, autocompletion, drag and drop + # and so on, you should use the method described above. + # * Use <%= define_javascript_functions %>: this will copy all the + # JavaScript support functions within a single script block. Not + # recommended. # - # If you're the visual type, there's an AJAX movie[http://www.rubyonrails.com/media/video/rails-ajax.mov] demonstrating - # the use of form_remote_tag. - module JavaScriptHelper - unless const_defined? :CALLBACKS - CALLBACKS = - [:uninitialized, :loading, :loaded, :interactive, :complete, :failure, :success].push((100..599).to_a).flatten - AJAX_OPTIONS = [ :before, :after, :condition, :url, :asynchronous, :method, - :insertion, :position, :form, :with, :update, :script ].concat(CALLBACKS) + # For documentation on +javascript_include_tag+ see + # ActionView::Helpers::AssetTagHelper. + module JavaScriptHelper + unless const_defined? :JAVASCRIPT_PATH JAVASCRIPT_PATH = File.join(File.dirname(__FILE__), 'javascripts') end - # Returns a link that'll trigger a javascript +function+ using the + # Returns a link that'll trigger a JavaScript +function+ using the # onclick handler and return false after the fact. # # Examples: @@ -46,251 +54,10 @@ module ActionView ) end - # Returns a link to a remote action defined by options[:url] - # (using the url_for format) that's called in the background using - # XMLHttpRequest. The result of that request can then be inserted into a - # DOM object whose id can be specified with options[:update]. - # Usually, the result would be a partial prepared by the controller with - # either render_partial or render_partial_collection. - # - # Examples: - # link_to_remote "Delete this post", :update => "posts", :url => { :action => "destroy", :id => post.id } - # link_to_remote(image_tag("refresh"), :update => "emails", :url => { :action => "list_emails" }) - # - # You can also specify a hash for options[:update] to allow for - # easy redirection of output to an other DOM element if a server-side error occurs: - # - # Example: - # link_to_remote "Delete this post", - # :url => { :action => "destroy", :id => post.id }, - # :update => { :success => "posts", :failure => "error" } - # - # Optionally, you can use the options[:position] parameter to influence - # how the target DOM element is updated. It must be one of - # :before, :top, :bottom, or :after. - # - # By default, these remote requests are processed asynchronous during - # which various JavaScript callbacks can be triggered (for progress indicators and - # the likes). All callbacks get access to the request object, - # which holds the underlying XMLHttpRequest. - # - # To access the server response, use request.responseText, to - # find out the HTTP status, use request.status. - # - # Example: - # link_to_remote word, - # :url => { :action => "undo", :n => word_counter }, - # :complete => "undoRequestCompleted(request)" - # - # The callbacks that may be specified are (in order): - # - # :loading:: Called when the remote document is being - # loaded with data by the browser. - # :loaded:: Called when the browser has finished loading - # the remote document. - # :interactive:: Called when the user can interact with the - # remote document, even though it has not - # finished loading. - # :success:: Called when the XMLHttpRequest is completed, - # and the HTTP status code is in the 2XX range. - # :failure:: Called when the XMLHttpRequest is completed, - # and the HTTP status code is not in the 2XX - # range. - # :complete:: Called when the XMLHttpRequest is complete - # (fires after success/failure if they are present)., - # - # You can further refine :success and :failure by adding additional - # callbacks for specific status codes: - # - # Example: - # link_to_remote word, - # :url => { :action => "action" }, - # 404 => "alert('Not found...? Wrong URL...?')", - # :failure => "alert('HTTP Error ' + request.status + '!')" - # - # A status code callback overrides the success/failure handlers if present. - # - # If you for some reason or another need synchronous processing (that'll - # block the browser while the request is happening), you can specify - # options[:type] = :synchronous. - # - # You can customize further browser side call logic by passing - # in JavaScript code snippets via some optional parameters. In - # their order of use these are: - # - # :confirm:: Adds confirmation dialog. - # :condition:: Perform remote request conditionally - # by this expression. Use this to - # describe browser-side conditions when - # request should not be initiated. - # :before:: Called before request is initiated. - # :after:: Called immediately after request was - # initiated and before :loading. - # :submit:: Specifies the DOM element ID that's used - # as the parent of the form elements. By - # default this is the current form, but - # it could just as well be the ID of a - # table row or any other DOM element. - def link_to_remote(name, options = {}, html_options = {}) - link_to_function(name, remote_function(options), html_options) - end - - # Periodically calls the specified url (options[:url]) every options[:frequency] seconds (default is 10). - # Usually used to update a specified div (options[:update]) with the results of the remote call. - # The options for specifying the target with :url and defining callbacks is the same as link_to_remote. - def periodically_call_remote(options = {}) - frequency = options[:frequency] || 10 # every ten seconds by default - code = "new PeriodicalExecuter(function() {#{remote_function(options)}}, #{frequency})" - javascript_tag(code) - end - - # Returns a form tag that will submit using XMLHttpRequest in the background instead of the regular - # reloading POST arrangement. Even though it's using JavaScript to serialize the form elements, the form submission - # will work just like a regular submission as viewed by the receiving side (all elements available in @params). - # The options for specifying the target with :url and defining callbacks is the same as link_to_remote. - # - # A "fall-through" target for browsers that doesn't do JavaScript can be specified with the :action/:method options on :html - # - # form_remote_tag :html => { :action => url_for(:controller => "some", :action => "place") } - # The Hash passed to the :html key is equivalent to the options (2nd) argument in the FormTagHelper.form_tag method. - # - # By default the fall-through action is the same as the one specified in the :url (and the default method is :post). - def form_remote_tag(options = {}) - options[:form] = true - - options[:html] ||= {} - options[:html][:onsubmit] = "#{remote_function(options)}; return false;" - options[:html][:action] = options[:html][:action] || url_for(options[:url]) - options[:html][:method] = options[:html][:method] || "post" - - tag("form", options[:html], true) - end - - # Returns a button input tag that will submit form using XMLHttpRequest in the background instead of regular - # reloading POST arrangement. options argument is the same as in form_remote_tag - def submit_to_remote(name, value, options = {}) - options[:with] ||= 'Form.serialize(this.form)' - - options[:html] ||= {} - options[:html][:type] = 'button' - options[:html][:onclick] = "#{remote_function(options)}; return false;" - options[:html][:name] = name - options[:html][:value] = value - - tag("input", options[:html], false) - end - - # Returns a Javascript function (or expression) that'll update a DOM element according to the options passed. - # - # * :content: The content to use for updating. Can be left out if using block, see example. - # * :action: Valid options are :update (assumed by default), :empty, :remove - # * :position If the :action is :update, you can optionally specify one of the following positions: :before, :top, :bottom, :after. - # - # Examples: - # <%= javascript_tag(update_element_function( - # "products", :position => :bottom, :content => "

    New product!

    ")) %> - # - # <% replacement_function = update_element_function("products") do %> - #

    Product 1

    - #

    Product 2

    - # <% end %> - # <%= javascript_tag(replacement_function) %> - # - # This method can also be used in combination with remote method call where the result is evaluated afterwards to cause - # multiple updates on a page. Example: - # - # # Calling view - # <%= form_remote_tag :url => { :action => "buy" }, :complete => evaluate_remote_response %> - # all the inputs here... - # - # # Controller action - # def buy - # @product = Product.find(1) - # end - # - # # Returning view - # <%= update_element_function( - # "cart", :action => :update, :position => :bottom, - # :content => "

    New Product: #{@product.name}

    ")) %> - # <% update_element_function("status", :binding => binding) do %> - # You've bought a new product! - # <% end %> - # - # Notice how the second call doesn't need to be in an ERb output block since it uses a block and passes in the binding - # to render directly. This trick will however only work in ERb (not Builder or other template forms). - def update_element_function(element_id, options = {}, &block) - - content = escape_javascript(options[:content] || '') - content = escape_javascript(capture(&block)) if block - - javascript_function = case (options[:action] || :update) - when :update - if options[:position] - "new Insertion.#{options[:position].to_s.camelize}('#{element_id}','#{content}')" - else - "$('#{element_id}').innerHTML = '#{content}'" - end - - when :empty - "$('#{element_id}').innerHTML = ''" - - when :remove - "Element.remove('#{element_id}')" - - else - raise ArgumentError, "Invalid action, choose one of :update, :remove, :empty" - end - - javascript_function << ";\n" - options[:binding] ? concat(javascript_function, options[:binding]) : javascript_function - end - - # Returns 'eval(request.responseText)' which is the Javascript function that form_remote_tag can call in :complete to - # evaluate a multiple update return document using update_element_function calls. - def evaluate_remote_response - "eval(request.responseText)" - end - - # Returns the javascript needed for a remote function. - # Takes the same arguments as link_to_remote. - # - # Example: - # - def remote_function(options) - javascript_options = options_for_ajax(options) - - update = '' - if options[:update] and options[:update].is_a?Hash - update = [] - update << "success:'#{options[:update][:success]}'" if options[:update][:success] - update << "failure:'#{options[:update][:failure]}'" if options[:update][:failure] - update = '{' + update.join(',') + '}' - elsif options[:update] - update << "'#{options[:update]}'" - end - - function = update.empty? ? - "new Ajax.Request(" : - "new Ajax.Updater(#{update}, " - - function << "'#{url_for(options[:url])}'" - function << ", #{javascript_options})" - - function = "#{options[:before]}; #{function}" if options[:before] - function = "#{function}; #{options[:after]}" if options[:after] - function = "if (#{options[:condition]}) { #{function}; }" if options[:condition] - function = "if (confirm('#{escape_javascript(options[:confirm])}')) { #{function}; }" if options[:confirm] - - return function - end - # Includes the Action Pack JavaScript libraries inside a single ' end - # Observes the field with the DOM ID specified by +field_id+ and makes - # an AJAX call when its contents have changed. - # - # Required +options+ are: - # :url:: +url_for+-style options for the action to call - # when the field has changed. - # - # Additional options are: - # :frequency:: The frequency (in seconds) at which changes to - # this field will be detected. Not setting this - # option at all or to a value equal to or less than - # zero will use event based observation instead of - # time based observation. - # :update:: Specifies the DOM ID of the element whose - # innerHTML should be updated with the - # XMLHttpRequest response text. - # :with:: A JavaScript expression specifying the - # parameters for the XMLHttpRequest. This defaults - # to 'value', which in the evaluated context - # refers to the new field value. - # - # Additionally, you may specify any of the options documented in - # link_to_remote. - def observe_field(field_id, options = {}) - if options[:frequency] and options[:frequency] > 0 - build_observer('Form.Element.Observer', field_id, options) - else - build_observer('Form.Element.EventObserver', field_id, options) - end - end - - # Like +observe_field+, but operates on an entire form identified by the - # DOM ID +form_id+. +options+ are the same as +observe_field+, except - # the default value of the :with option evaluates to the - # serialized (request string) value of the form. - def observe_form(form_id, options = {}) - if options[:frequency] - build_observer('Form.Observer', form_id, options) - else - build_observer('Form.EventObserver', form_id, options) - end - end - - # Returns a JavaScript snippet to be used on the AJAX callbacks for starting - # visual effects. - # - # This method requires the inclusion of the script.aculo.us JavaScript library. - # - # Example: - # <%= link_to_remote "Reload", :update => "posts", - # :url => { :action => "reload" }, - # :complete => visual_effect(:highlight, "posts", :duration => 0.5 ) - # - # If no element_id is given, it assumes "element" which should be a local - # variable in the generated JavaScript execution context. This can be used - # for example with drop_receiving_element: - # - # <%= drop_receving_element (...), :loading => visual_effect(:fade) %> - # - # This would fade the element that was dropped on the drop receiving element. - # - # You can change the behaviour with various options, see - # http://script.aculo.us for more documentation. - def visual_effect(name, element_id = false, js_options = {}) - element = element_id ? "'#{element_id}'" : "element" - js_options[:queue] = "'#{js_options[:queue]}'" if js_options[:queue] - "new Effect.#{name.to_s.camelize}(#{element},#{options_for_javascript(js_options)});" - end - - # Makes the element with the DOM ID specified by +element_id+ sortable - # by drag-and-drop and make an AJAX call whenever the sort order has - # changed. By default, the action called gets the serialized sortable - # element as parameters. - # - # This method requires the inclusion of the script.aculo.us JavaScript library. - # - # Example: - # <%= sortable_element("my_list", :url => { :action => "order" }) %> - # - # In the example, the action gets a "my_list" array parameter - # containing the values of the ids of elements the sortable consists - # of, in the current order. - # - # You can change the behaviour with various options, see - # http://script.aculo.us for more documentation. - def sortable_element(element_id, options = {}) - options[:with] ||= "Sortable.serialize('#{element_id}')" - options[:onUpdate] ||= "function(){" + remote_function(options) + "}" - options.delete_if { |key, value| AJAX_OPTIONS.include?(key) } - - [:tag, :overlap, :constraint, :handle].each do |option| - options[option] = "'#{options[option]}'" if options[option] - end - - options[:containment] = array_or_string_for_javascript(options[:containment]) if options[:containment] - options[:only] = array_or_string_for_javascript(options[:only]) if options[:only] - - javascript_tag("Sortable.create('#{element_id}', #{options_for_javascript(options)})") - end - - # Makes the element with the DOM ID specified by +element_id+ draggable. - # - # This method requires the inclusion of the script.aculo.us JavaScript library. - # - # Example: - # <%= draggable_element("my_image", :revert => true) - # - # You can change the behaviour with various options, see - # http://script.aculo.us for more documentation. - def draggable_element(element_id, options = {}) - javascript_tag("new Draggable('#{element_id}', #{options_for_javascript(options)})") - end - - # Makes the element with the DOM ID specified by +element_id+ receive - # dropped draggable elements (created by draggable_element). - # and make an AJAX call By default, the action called gets the DOM ID of the - # element as parameter. - # - # This method requires the inclusion of the script.aculo.us JavaScript library. - # - # Example: - # <%= drop_receiving_element("my_cart", :url => { :controller => "cart", :action => "add" }) %> - # - # You can change the behaviour with various options, see - # http://script.aculo.us for more documentation. - def drop_receiving_element(element_id, options = {}) - options[:with] ||= "'id=' + encodeURIComponent(element.id)" - options[:onDrop] ||= "function(element){" + remote_function(options) + "}" - options.delete_if { |key, value| AJAX_OPTIONS.include?(key) } - - options[:accept] = array_or_string_for_javascript(options[:accept]) if options[:accept] - options[:hoverclass] = "'#{options[:hoverclass]}'" if options[:hoverclass] - - javascript_tag("Droppables.add('#{element_id}', #{options_for_javascript(options)})") - end - # Escape carrier returns and single and double quotes for JavaScript segments. def escape_javascript(javascript) (javascript || '').gsub(/\r\n|\n|\r/, "\\n").gsub(/["']/) { |m| "\\#{m}" } @@ -463,7 +94,7 @@ module ActionView "\n//#{cdata_section("\n#{content}\n//")}\n" end - private + protected def options_for_javascript(options) '{' + options.map {|k, v| "#{k}:#{v}"}.sort.join(', ') + '}' end @@ -476,51 +107,6 @@ module ActionView end js_option end - - def options_for_ajax(options) - js_options = build_callbacks(options) - - js_options['asynchronous'] = options[:type] != :synchronous - js_options['method'] = method_option_to_s(options[:method]) if options[:method] - js_options['insertion'] = "Insertion.#{options[:position].to_s.camelize}" if options[:position] - js_options['evalScripts'] = options[:script].nil? || options[:script] - - if options[:form] - js_options['parameters'] = 'Form.serialize(this)' - elsif options[:submit] - js_options['parameters'] = "Form.serialize(document.getElementById('#{options[:submit]}'))" - elsif options[:with] - js_options['parameters'] = options[:with] - end - - options_for_javascript(js_options) - end - - def method_option_to_s(method) - (method.is_a?(String) and !method.index("'").nil?) ? method : "'#{method}'" - end - - def build_observer(klass, name, options = {}) - options[:with] ||= 'value' if options[:update] - callback = remote_function(options) - javascript = "new #{klass}('#{name}', " - javascript << "#{options[:frequency]}, " if options[:frequency] - javascript << "function(element, value) {" - javascript << "#{callback}})" - javascript_tag(javascript) - end - - def build_callbacks(options) - callbacks = {} - options.each do |callback, code| - if CALLBACKS.include?(callback) - name = 'on' + callback.to_s.capitalize - callbacks[name] = "function(request){#{code}}" - end - end - callbacks - end - end JavascriptHelper = JavaScriptHelper unless const_defined? :JavascriptHelper diff --git a/actionpack/lib/action_view/helpers/prototype_helper.rb b/actionpack/lib/action_view/helpers/prototype_helper.rb new file mode 100644 index 0000000000..ce1d3a3750 --- /dev/null +++ b/actionpack/lib/action_view/helpers/prototype_helper.rb @@ -0,0 +1,522 @@ +require File.dirname(__FILE__) + '/javascript_helper' + +module ActionView + module Helpers + # Provides a set of helpers for calling Prototype JavaScript functions, + # including functionality to call remote methods using + # Ajax[http://www.adaptivepath.com/publications/essays/archives/000385.php]. + # This means that you can call actions in your controllers without + # reloading the page, but still update certain parts of it using + # injections into the DOM. The common use case is having a form that adds + # a new element to a list without reloading the page. + # + # To be able to use these helpers, you must include the Prototype + # JavaScript framework in your pages. See the documentation for + # ActionView::Helpers::JavaScriptHelper for more information on including + # the necessary JavaScript. + # + # See link_to_remote for documentation of options common to all Ajax + # helpers. + # + # See also ActionView::Helpers::ScriptaculousHelper for helpers which work + # with the Scriptaculous controls and visual effects library. + # + # See JavaScriptGenerator for information on updating multiple elements + # on the page in an Ajax response. + module PrototypeHelper + unless const_defined? :CALLBACKS + CALLBACKS = [ :uninitialized, :loading, :loaded, :interactive, + :complete, :failure, :success ] + (100..599).to_a + AJAX_OPTIONS = [ :before, :after, :condition, :url, :asynchronous, + :method, :insertion, :position, :form, :with, :update, + :script ] + CALLBACKS + end + + # Returns a link to a remote action defined by options[:url] + # (using the url_for format) that's called in the background using + # XMLHttpRequest. The result of that request can then be inserted into a + # DOM object whose id can be specified with options[:update]. + # Usually, the result would be a partial prepared by the controller with + # either render_partial or render_partial_collection. + # + # Examples: + # link_to_remote "Delete this post", :update => "posts", + # :url => { :action => "destroy", :id => post.id } + # link_to_remote(image_tag("refresh"), :update => "emails", + # :url => { :action => "list_emails" }) + # + # You can also specify a hash for options[:update] to allow for + # easy redirection of output to an other DOM element if a server-side + # error occurs: + # + # Example: + # link_to_remote "Delete this post", + # :url => { :action => "destroy", :id => post.id }, + # :update => { :success => "posts", :failure => "error" } + # + # Optionally, you can use the options[:position] parameter to + # influence how the target DOM element is updated. It must be one of + # :before, :top, :bottom, or :after. + # + # By default, these remote requests are processed asynchronous during + # which various JavaScript callbacks can be triggered (for progress + # indicators and the likes). All callbacks get access to the + # request object, which holds the underlying XMLHttpRequest. + # + # To access the server response, use request.responseText, to + # find out the HTTP status, use request.status. + # + # Example: + # link_to_remote word, + # :url => { :action => "undo", :n => word_counter }, + # :complete => "undoRequestCompleted(request)" + # + # The callbacks that may be specified are (in order): + # + # :loading:: Called when the remote document is being + # loaded with data by the browser. + # :loaded:: Called when the browser has finished loading + # the remote document. + # :interactive:: Called when the user can interact with the + # remote document, even though it has not + # finished loading. + # :success:: Called when the XMLHttpRequest is completed, + # and the HTTP status code is in the 2XX range. + # :failure:: Called when the XMLHttpRequest is completed, + # and the HTTP status code is not in the 2XX + # range. + # :complete:: Called when the XMLHttpRequest is complete + # (fires after success/failure if they are + # present). + # + # You can further refine :success and :failure by + # adding additional callbacks for specific status codes. + # + # Example: + # link_to_remote word, + # :url => { :action => "action" }, + # 404 => "alert('Not found...? Wrong URL...?')", + # :failure => "alert('HTTP Error ' + request.status + '!')" + # + # A status code callback overrides the success/failure handlers if + # present. + # + # If you for some reason or another need synchronous processing (that'll + # block the browser while the request is happening), you can specify + # options[:type] = :synchronous. + # + # You can customize further browser side call logic by passing in + # JavaScript code snippets via some optional parameters. In their order + # of use these are: + # + # :confirm:: Adds confirmation dialog. + # :condition:: Perform remote request conditionally + # by this expression. Use this to + # describe browser-side conditions when + # request should not be initiated. + # :before:: Called before request is initiated. + # :after:: Called immediately after request was + # initiated and before :loading. + # :submit:: Specifies the DOM element ID that's used + # as the parent of the form elements. By + # default this is the current form, but + # it could just as well be the ID of a + # table row or any other DOM element. + def link_to_remote(name, options = {}, html_options = {}) + link_to_function(name, remote_function(options), html_options) + end + + # Periodically calls the specified url (options[:url]) every + # options[:frequency] seconds (default is 10). Usually used to + # update a specified div (options[:update]) with the results + # of the remote call. The options for specifying the target with :url + # and defining callbacks is the same as link_to_remote. + def periodically_call_remote(options = {}) + frequency = options[:frequency] || 10 # every ten seconds by default + code = "new PeriodicalExecuter(function() {#{remote_function(options)}}, #{frequency})" + javascript_tag(code) + end + + # Returns a form tag that will submit using XMLHttpRequest in the + # background instead of the regular reloading POST arrangement. Even + # though it's using JavaScript to serialize the form elements, the form + # submission will work just like a regular submission as viewed by the + # receiving side (all elements available in @params). The options for + # specifying the target with :url and defining callbacks is the same as + # link_to_remote. + # + # A "fall-through" target for browsers that doesn't do JavaScript can be + # specified with the :action/:method options on :html. + # + # Example: + # form_remote_tag :html => { :action => + # url_for(:controller => "some", :action => "place") } + # + # The Hash passed to the :html key is equivalent to the options (2nd) + # argument in the FormTagHelper.form_tag method. + # + # By default the fall-through action is the same as the one specified in + # the :url (and the default method is :post). + def form_remote_tag(options = {}) + options[:form] = true + + options[:html] ||= {} + options[:html][:onsubmit] = "#{remote_function(options)}; return false;" + options[:html][:action] = options[:html][:action] || url_for(options[:url]) + options[:html][:method] = options[:html][:method] || "post" + + tag("form", options[:html], true) + end + + # Returns a button input tag that will submit form using XMLHttpRequest + # in the background instead of regular reloading POST arrangement. + # options argument is the same as in form_remote_tag. + def submit_to_remote(name, value, options = {}) + options[:with] ||= 'Form.serialize(this.form)' + + options[:html] ||= {} + options[:html][:type] = 'button' + options[:html][:onclick] = "#{remote_function(options)}; return false;" + options[:html][:name] = name + options[:html][:value] = value + + tag("input", options[:html], false) + end + + # Returns a JavaScript function (or expression) that'll update a DOM + # element according to the options passed. + # + # * :content: The content to use for updating. Can be left out + # if using block, see example. + # * :action: Valid options are :update (assumed by default), + # :empty, :remove + # * :position If the :action is :update, you can optionally + # specify one of the following positions: :before, :top, :bottom, + # :after. + # + # Examples: + # <%= javascript_tag(update_element_function("products", + # :position => :bottom, :content => "

    New product!

    ")) %> + # + # <% replacement_function = update_element_function("products") do %> + #

    Product 1

    + #

    Product 2

    + # <% end %> + # <%= javascript_tag(replacement_function) %> + # + # This method can also be used in combination with remote method call + # where the result is evaluated afterwards to cause multiple updates on + # a page. Example: + # + # # Calling view + # <%= form_remote_tag :url => { :action => "buy" }, + # :complete => evaluate_remote_response %> + # all the inputs here... + # + # # Controller action + # def buy + # @product = Product.find(1) + # end + # + # # Returning view + # <%= update_element_function( + # "cart", :action => :update, :position => :bottom, + # :content => "

    New Product: #{@product.name}

    ")) %> + # <% update_element_function("status", :binding => binding) do %> + # You've bought a new product! + # <% end %> + # + # Notice how the second call doesn't need to be in an ERb output block + # since it uses a block and passes in the binding to render directly. + # This trick will however only work in ERb (not Builder or other + # template forms). + # + # See also JavaScriptGenerator and update_page. + def update_element_function(element_id, options = {}, &block) + + content = escape_javascript(options[:content] || '') + content = escape_javascript(capture(&block)) if block + + javascript_function = case (options[:action] || :update) + when :update + if options[:position] + "new Insertion.#{options[:position].to_s.camelize}('#{element_id}','#{content}')" + else + "$('#{element_id}').innerHTML = '#{content}'" + end + + when :empty + "$('#{element_id}').innerHTML = ''" + + when :remove + "Element.remove('#{element_id}')" + + else + raise ArgumentError, "Invalid action, choose one of :update, :remove, :empty" + end + + javascript_function << ";\n" + options[:binding] ? concat(javascript_function, options[:binding]) : javascript_function + end + + # Returns 'eval(request.responseText)' which is the JavaScript function + # that form_remote_tag can call in :complete to evaluate a multiple + # update return document using update_element_function calls. + def evaluate_remote_response + "eval(request.responseText)" + end + + # Returns the JavaScript needed for a remote function. + # Takes the same arguments as link_to_remote. + # + # Example: + # + def remote_function(options) + javascript_options = options_for_ajax(options) + + update = '' + if options[:update] and options[:update].is_a?Hash + update = [] + update << "success:'#{options[:update][:success]}'" if options[:update][:success] + update << "failure:'#{options[:update][:failure]}'" if options[:update][:failure] + update = '{' + update.join(',') + '}' + elsif options[:update] + update << "'#{options[:update]}'" + end + + function = update.empty? ? + "new Ajax.Request(" : + "new Ajax.Updater(#{update}, " + + function << "'#{url_for(options[:url])}'" + function << ", #{javascript_options})" + + function = "#{options[:before]}; #{function}" if options[:before] + function = "#{function}; #{options[:after]}" if options[:after] + function = "if (#{options[:condition]}) { #{function}; }" if options[:condition] + function = "if (confirm('#{escape_javascript(options[:confirm])}')) { #{function}; }" if options[:confirm] + + return function + end + + # Observes the field with the DOM ID specified by +field_id+ and makes + # an Ajax call when its contents have changed. + # + # Required +options+ are: + # :url:: +url_for+-style options for the action to call + # when the field has changed. + # + # Additional options are: + # :frequency:: The frequency (in seconds) at which changes to + # this field will be detected. Not setting this + # option at all or to a value equal to or less than + # zero will use event based observation instead of + # time based observation. + # :update:: Specifies the DOM ID of the element whose + # innerHTML should be updated with the + # XMLHttpRequest response text. + # :with:: A JavaScript expression specifying the + # parameters for the XMLHttpRequest. This defaults + # to 'value', which in the evaluated context + # refers to the new field value. + # + # Additionally, you may specify any of the options documented in + # link_to_remote. + def observe_field(field_id, options = {}) + if options[:frequency] and options[:frequency] > 0 + build_observer('Form.Element.Observer', field_id, options) + else + build_observer('Form.Element.EventObserver', field_id, options) + end + end + + # Like +observe_field+, but operates on an entire form identified by the + # DOM ID +form_id+. +options+ are the same as +observe_field+, except + # the default value of the :with option evaluates to the + # serialized (request string) value of the form. + def observe_form(form_id, options = {}) + if options[:frequency] + build_observer('Form.Observer', form_id, options) + else + build_observer('Form.EventObserver', form_id, options) + end + end + + # JavaScriptGenerator generates blocks of JavaScript code that allow you + # to change the content and presentation of multiple DOM elements. Use + # this in your Ajax response bodies, either in a ), - periodically_call_remote(:update => "schremser_bier", :url => { :action => "mehr_bier" }) - end - - def test_form_remote_tag - assert_dom_equal %(
    ), - form_remote_tag(:update => "glass_of_beer", :url => { :action => :fast }) - assert_dom_equal %(), - form_remote_tag(:update => { :success => "glass_of_beer" }, :url => { :action => :fast }) - assert_dom_equal %(), - form_remote_tag(:update => { :failure => "glass_of_water" }, :url => { :action => :fast }) - assert_dom_equal %(), - form_remote_tag(:update => { :success => 'glass_of_beer', :failure => "glass_of_water" }, :url => { :action => :fast }) - end - - def test_on_callbacks - callbacks = [:uninitialized, :loading, :loaded, :interactive, :complete, :success, :failure] - callbacks.each do |callback| - assert_dom_equal %(), - form_remote_tag(:update => "glass_of_beer", :url => { :action => :fast }, callback=>"monkeys();") - assert_dom_equal %(), - form_remote_tag(:update => { :success => "glass_of_beer" }, :url => { :action => :fast }, callback=>"monkeys();") - assert_dom_equal %(), - form_remote_tag(:update => { :failure => "glass_of_beer" }, :url => { :action => :fast }, callback=>"monkeys();") - assert_dom_equal %(), - form_remote_tag(:update => { :success => "glass_of_beer", :failure => "glass_of_water" }, :url => { :action => :fast }, callback=>"monkeys();") - end - - #HTTP status codes 200 up to 599 have callbacks - #these should work - 100.upto(599) do |callback| - assert_dom_equal %(), - form_remote_tag(:update => "glass_of_beer", :url => { :action => :fast }, callback=>"monkeys();") - end - - #test 200 and 404 - assert_dom_equal %(), - form_remote_tag(:update => "glass_of_beer", :url => { :action => :fast }, 200=>"monkeys();", 404=>"bananas();") - - #these shouldn't - 1.upto(99) do |callback| - assert_dom_equal %(), - form_remote_tag(:update => "glass_of_beer", :url => { :action => :fast }, callback=>"monkeys();") - end - 600.upto(999) do |callback| - assert_dom_equal %(), - form_remote_tag(:update => "glass_of_beer", :url => { :action => :fast }, callback=>"monkeys();") - end - - #test ultimate combo - assert_dom_equal %(), - form_remote_tag(:update => "glass_of_beer", :url => { :action => :fast }, :loading => "c1()", :success => "s()", :failure => "f();", :complete => "c();", 200=>"monkeys();", 404=>"bananas();") - - end - - def test_submit_to_remote - assert_dom_equal %(), - submit_to_remote("More beer!", 1_000_000, :update => "empty_bottle") - end - - def test_observe_field - assert_dom_equal %(), - observe_field("glass", :frequency => 5.minutes, :url => { :action => "reorder_if_empty" }) - end - - def test_observe_form - assert_dom_equal %(), - observe_form("cart", :frequency => 2, :url => { :action => "cart_changed" }) - end - - def test_effect - assert_equal "new Effect.Highlight('posts',{});", visual_effect(:highlight, "posts") - assert_equal "new Effect.Highlight('posts',{});", visual_effect("highlight", :posts) - assert_equal "new Effect.Highlight('posts',{});", visual_effect(:highlight, :posts) - assert_equal "new Effect.Fade('fademe',{duration:4.0});", visual_effect(:fade, "fademe", :duration => 4.0) - assert_equal "new Effect.Shake(element,{});", visual_effect(:shake) - assert_equal "new Effect.DropOut('dropme',{queue:'end'});", visual_effect(:drop_out, 'dropme', :queue => :end) - end - - def test_sortable_element - assert_dom_equal %(), - sortable_element("mylist", :url => { :action => "order" }) - assert_equal %(), - sortable_element("mylist", :tag => "div", :constraint => "horizontal", :url => { :action => "order" }) - assert_dom_equal %||, - sortable_element("mylist", :containment => ['list1','list2'], :constraint => "horizontal", :url => { :action => "order" }) - assert_dom_equal %(), - sortable_element("mylist", :containment => 'list1', :constraint => "horizontal", :url => { :action => "order" }) - end - - def test_draggable_element - assert_dom_equal %(), - draggable_element('product_13') - assert_equal %(), - draggable_element('product_13', :revert => true) - end - - def test_drop_receiving_element - assert_dom_equal %(), - drop_receiving_element('droptarget1') - assert_dom_equal %(), - drop_receiving_element('droptarget1', :accept => 'products') - assert_dom_equal %(), - drop_receiving_element('droptarget1', :accept => 'products', :update => 'infobox') - assert_dom_equal %(), - drop_receiving_element('droptarget1', :accept => ['tshirts','mugs'], :update => 'infobox') - end - - def test_update_element_function - assert_equal %($('myelement').innerHTML = 'blub';\n), - update_element_function('myelement', :content => 'blub') - assert_equal %($('myelement').innerHTML = 'blub';\n), - update_element_function('myelement', :action => :update, :content => 'blub') - assert_equal %($('myelement').innerHTML = '';\n), - update_element_function('myelement', :action => :empty) - assert_equal %(Element.remove('myelement');\n), - update_element_function('myelement', :action => :remove) - - assert_equal %(new Insertion.Bottom('myelement','blub');\n), - update_element_function('myelement', :position => 'bottom', :content => 'blub') - assert_equal %(new Insertion.Bottom('myelement','blub');\n), - update_element_function('myelement', :action => :update, :position => :bottom, :content => 'blub') - - _erbout = "" - assert_equal %($('myelement').innerHTML = 'test';\n), - update_element_function('myelement') { _erbout << "test" } - - _erbout = "" - assert_equal %($('myelement').innerHTML = 'blockstuff';\n), - update_element_function('myelement', :content => 'paramstuff') { _erbout << "blockstuff" } - end - end diff --git a/actionpack/test/template/prototype_helper_test.rb b/actionpack/test/template/prototype_helper_test.rb new file mode 100644 index 0000000000..c97aca5e79 --- /dev/null +++ b/actionpack/test/template/prototype_helper_test.rb @@ -0,0 +1,208 @@ +require File.dirname(__FILE__) + '/../abstract_unit' + +module BaseTest + include ActionView::Helpers::JavaScriptHelper + include ActionView::Helpers::PrototypeHelper + + include ActionView::Helpers::UrlHelper + include ActionView::Helpers::TagHelper + include ActionView::Helpers::TextHelper + include ActionView::Helpers::FormHelper + include ActionView::Helpers::CaptureHelper + + def setup + @controller = Class.new do + def url_for(options, *parameters_for_method_reference) + url = "http://www.example.com/" + url << options[:action].to_s if options and options[:action] + url + end + end.new + end + +protected + def create_generator + block = Proc.new { |*args| yield *args if block_given? } + JavaScriptGenerator.new self, &block + end +end + +class PrototypeHelperTest < Test::Unit::TestCase + include BaseTest + + def test_link_to_remote + assert_dom_equal %(Remote outpost), + link_to_remote("Remote outpost", { :url => { :action => "whatnot" }}, { :class => "fine" }) + assert_dom_equal %(Remote outpost), + link_to_remote("Remote outpost", :complete => "alert(request.reponseText)", :url => { :action => "whatnot" }) + assert_dom_equal %(Remote outpost), + link_to_remote("Remote outpost", :success => "alert(request.reponseText)", :url => { :action => "whatnot" }) + assert_dom_equal %(Remote outpost), + link_to_remote("Remote outpost", :failure => "alert(request.reponseText)", :url => { :action => "whatnot" }) + end + + def test_periodically_call_remote + assert_dom_equal %(), + periodically_call_remote(:update => "schremser_bier", :url => { :action => "mehr_bier" }) + end + + def test_form_remote_tag + assert_dom_equal %(), + form_remote_tag(:update => "glass_of_beer", :url => { :action => :fast }) + assert_dom_equal %(), + form_remote_tag(:update => { :success => "glass_of_beer" }, :url => { :action => :fast }) + assert_dom_equal %(), + form_remote_tag(:update => { :failure => "glass_of_water" }, :url => { :action => :fast }) + assert_dom_equal %(), + form_remote_tag(:update => { :success => 'glass_of_beer', :failure => "glass_of_water" }, :url => { :action => :fast }) + end + + def test_on_callbacks + callbacks = [:uninitialized, :loading, :loaded, :interactive, :complete, :success, :failure] + callbacks.each do |callback| + assert_dom_equal %(), + form_remote_tag(:update => "glass_of_beer", :url => { :action => :fast }, callback=>"monkeys();") + assert_dom_equal %(), + form_remote_tag(:update => { :success => "glass_of_beer" }, :url => { :action => :fast }, callback=>"monkeys();") + assert_dom_equal %(), + form_remote_tag(:update => { :failure => "glass_of_beer" }, :url => { :action => :fast }, callback=>"monkeys();") + assert_dom_equal %(), + form_remote_tag(:update => { :success => "glass_of_beer", :failure => "glass_of_water" }, :url => { :action => :fast }, callback=>"monkeys();") + end + + #HTTP status codes 200 up to 599 have callbacks + #these should work + 100.upto(599) do |callback| + assert_dom_equal %(), + form_remote_tag(:update => "glass_of_beer", :url => { :action => :fast }, callback=>"monkeys();") + end + + #test 200 and 404 + assert_dom_equal %(), + form_remote_tag(:update => "glass_of_beer", :url => { :action => :fast }, 200=>"monkeys();", 404=>"bananas();") + + #these shouldn't + 1.upto(99) do |callback| + assert_dom_equal %(), + form_remote_tag(:update => "glass_of_beer", :url => { :action => :fast }, callback=>"monkeys();") + end + 600.upto(999) do |callback| + assert_dom_equal %(), + form_remote_tag(:update => "glass_of_beer", :url => { :action => :fast }, callback=>"monkeys();") + end + + #test ultimate combo + assert_dom_equal %(), + form_remote_tag(:update => "glass_of_beer", :url => { :action => :fast }, :loading => "c1()", :success => "s()", :failure => "f();", :complete => "c();", 200=>"monkeys();", 404=>"bananas();") + + end + + def test_submit_to_remote + assert_dom_equal %(), + submit_to_remote("More beer!", 1_000_000, :update => "empty_bottle") + end + + def test_observe_field + assert_dom_equal %(), + observe_field("glass", :frequency => 5.minutes, :url => { :action => "reorder_if_empty" }) + end + + def test_observe_form + assert_dom_equal %(), + observe_form("cart", :frequency => 2, :url => { :action => "cart_changed" }) + end + + def test_update_element_function + assert_equal %($('myelement').innerHTML = 'blub';\n), + update_element_function('myelement', :content => 'blub') + assert_equal %($('myelement').innerHTML = 'blub';\n), + update_element_function('myelement', :action => :update, :content => 'blub') + assert_equal %($('myelement').innerHTML = '';\n), + update_element_function('myelement', :action => :empty) + assert_equal %(Element.remove('myelement');\n), + update_element_function('myelement', :action => :remove) + + assert_equal %(new Insertion.Bottom('myelement','blub');\n), + update_element_function('myelement', :position => 'bottom', :content => 'blub') + assert_equal %(new Insertion.Bottom('myelement','blub');\n), + update_element_function('myelement', :action => :update, :position => :bottom, :content => 'blub') + + _erbout = "" + assert_equal %($('myelement').innerHTML = 'test';\n), + update_element_function('myelement') { _erbout << "test" } + + _erbout = "" + assert_equal %($('myelement').innerHTML = 'blockstuff';\n), + update_element_function('myelement', :content => 'paramstuff') { _erbout << "blockstuff" } + end + + def test_update_page + block = Proc.new { |page| page.replace_html('foo', 'bar') } + assert_equal create_generator(&block).to_s, update_page(&block) + end + + def test_update_page_tag + block = Proc.new { |page| page.replace_html('foo', 'bar') } + assert_equal javascript_tag(create_generator(&block).to_s), update_page_tag(&block) + end +end + +class JavaScriptGeneratorTest < Test::Unit::TestCase + include BaseTest + + def setup + super + @generator = create_generator + end + + def test_insert_html_with_string + assert_equal 'new Insertion.Top("element", "

    This is a test

    ");', + @generator.insert_html(:top, 'element', '

    This is a test

    ') + assert_equal 'new Insertion.Bottom("element", "

    This is a test

    ");', + @generator.insert_html(:bottom, 'element', '

    This is a test

    ') + assert_equal 'new Insertion.Before("element", "

    This is a test

    ");', + @generator.insert_html(:before, 'element', '

    This is a test

    ') + assert_equal 'new Insertion.After("element", "

    This is a test

    ");', + @generator.insert_html(:after, 'element', '

    This is a test

    ') + end + + def test_replace_html_with_string + assert_equal '$("element").innerHTML = "

    This is a test

    ";', + @generator.replace_html('element', '

    This is a test

    ') + end + + def test_remove + assert_equal '["foo"].each(Element.remove);', + @generator.remove('foo') + assert_equal '["foo", "bar", "baz"].each(Element.remove);', + @generator.remove('foo', 'bar', 'baz') + end + + def test_show + assert_equal '["foo"].each(Element.show);', + @generator.show('foo') + assert_equal '["foo", "bar", "baz"].each(Element.show);', + @generator.show('foo', 'bar', 'baz') + end + + def test_hide + assert_equal '["foo"].each(Element.hide);', + @generator.hide('foo') + assert_equal '["foo", "bar", "baz"].each(Element.hide);', + @generator.hide('foo', 'bar', 'baz') + end + + def test_to_s + @generator.insert_html(:top, 'element', '

    This is a test

    ') + @generator.insert_html(:bottom, 'element', '

    This is a test

    ') + @generator.remove('foo', 'bar') + @generator.replace_html('baz', '

    This is a test

    ') + + assert_equal <<-EOS.chomp, @generator.to_s +new Insertion.Top("element", "

    This is a test

    "); +new Insertion.Bottom("element", "

    This is a test

    "); +["foo", "bar"].each(Element.remove); +$("baz").innerHTML = "

    This is a test

    "; + EOS + end +end diff --git a/actionpack/test/template/scriptaculous_helper_test.rb b/actionpack/test/template/scriptaculous_helper_test.rb new file mode 100644 index 0000000000..fb8f745c7d --- /dev/null +++ b/actionpack/test/template/scriptaculous_helper_test.rb @@ -0,0 +1,61 @@ +require File.dirname(__FILE__) + '/../abstract_unit' + +class ScriptaculousHelperTest < Test::Unit::TestCase + include ActionView::Helpers::JavaScriptHelper + include ActionView::Helpers::PrototypeHelper + include ActionView::Helpers::ScriptaculousHelper + + include ActionView::Helpers::UrlHelper + include ActionView::Helpers::TagHelper + include ActionView::Helpers::TextHelper + include ActionView::Helpers::FormHelper + include ActionView::Helpers::CaptureHelper + + def setup + @controller = Class.new do + def url_for(options, *parameters_for_method_reference) + url = "http://www.example.com/" + url << options[:action].to_s if options and options[:action] + url + end + end.new + end + + def test_effect + assert_equal "new Effect.Highlight('posts',{});", visual_effect(:highlight, "posts") + assert_equal "new Effect.Highlight('posts',{});", visual_effect("highlight", :posts) + assert_equal "new Effect.Highlight('posts',{});", visual_effect(:highlight, :posts) + assert_equal "new Effect.Fade('fademe',{duration:4.0});", visual_effect(:fade, "fademe", :duration => 4.0) + assert_equal "new Effect.Shake(element,{});", visual_effect(:shake) + assert_equal "new Effect.DropOut('dropme',{queue:'end'});", visual_effect(:drop_out, 'dropme', :queue => :end) + end + + def test_sortable_element + assert_dom_equal %(), + sortable_element("mylist", :url => { :action => "order" }) + assert_equal %(), + sortable_element("mylist", :tag => "div", :constraint => "horizontal", :url => { :action => "order" }) + assert_dom_equal %||, + sortable_element("mylist", :containment => ['list1','list2'], :constraint => "horizontal", :url => { :action => "order" }) + assert_dom_equal %(), + sortable_element("mylist", :containment => 'list1', :constraint => "horizontal", :url => { :action => "order" }) + end + + def test_draggable_element + assert_dom_equal %(), + draggable_element('product_13') + assert_equal %(), + draggable_element('product_13', :revert => true) + end + + def test_drop_receiving_element + assert_dom_equal %(), + drop_receiving_element('droptarget1') + assert_dom_equal %(), + drop_receiving_element('droptarget1', :accept => 'products') + assert_dom_equal %(), + drop_receiving_element('droptarget1', :accept => 'products', :update => 'infobox') + assert_dom_equal %(), + drop_receiving_element('droptarget1', :accept => ['tshirts','mugs'], :update => 'infobox') + end +end \ No newline at end of file -- cgit v1.2.3