diff options
Diffstat (limited to 'actionpack')
| -rw-r--r-- | actionpack/CHANGELOG | 16 | ||||
| -rw-r--r-- | actionpack/lib/action_view/helpers/record_tag_helper.rb | 56 | ||||
| -rw-r--r-- | actionpack/test/template/record_tag_helper_test.rb | 24 |
3 files changed, 89 insertions, 7 deletions
diff --git a/actionpack/CHANGELOG b/actionpack/CHANGELOG index 71f38797ae..289325ba89 100644 --- a/actionpack/CHANGELOG +++ b/actionpack/CHANGELOG @@ -1,5 +1,21 @@ *Rails 3.2.0 (unreleased)* +* content_tag_for and div_for can now take the collection of records. It will also yield the record as the first argument if you set a receiving argument in your block [Prem Sichanugrist] + + So instead of having to do this: + + @items.each do |item| + content_tag_for(:li, item) do + Title: <%= item.title %> + end + end + + You can now do this: + + content_tag_for(:li, @items) do |item| + Title: <%= item.title %> + end + * send_file now guess the mime type [Esad Hajdarevic] * Mime type entries for PDF, ZIP and other formats were added [Esad Hajdarevic] diff --git a/actionpack/lib/action_view/helpers/record_tag_helper.rb b/actionpack/lib/action_view/helpers/record_tag_helper.rb index 142a25f118..ad8896a2fd 100644 --- a/actionpack/lib/action_view/helpers/record_tag_helper.rb +++ b/actionpack/lib/action_view/helpers/record_tag_helper.rb @@ -17,6 +17,19 @@ module ActionView # # <div id="person_123" class="person foo"> Joe Bloggs </div> # + # You can also pass an array of Active Record objects, which will then + # get iterates over and yield each record as an argument for the block. + # For example: + # + # <%= div_for(@people, :class => "foo") do |person| %> + # <%= person.name %> + # <% end %> + # + # produces: + # + # <div id="person_123" class="person foo"> Joe Bloggs </div> + # <div id="person_124" class="person foo"> Jane Bloggs </div> + # def div_for(record, *args, &block) content_tag_for(:div, record, *args, &block) end @@ -42,6 +55,21 @@ module ActionView # # <tr id="foo_person_123" class="person">... # + # You can also pass an array of objects which this method will loop through + # and yield the current object to the supplied block, reduce the need for + # having to iterate through the object (using <tt>each</tt>) beforehand. + # For example (assuming @people is an array of Person objects): + # + # <%= content_tag_for(:tr, @people) do |person| %> + # <td><%= person.first_name %></td> + # <td><%= person.last_name %></td> + # <% end %> + # + # produces: + # + # <tr id="person_123" class="person">...</tr> + # <tr id="person_124" class="person">...</tr> + # # content_tag_for also accepts a hash of options, which will be converted to # additional HTML attributes. If you specify a <tt>:class</tt> value, it will be combined # with the default class name for your object. For example: @@ -52,12 +80,30 @@ module ActionView # # <li id="person_123" class="person bar">... # - def content_tag_for(tag_name, record, prefix = nil, options = nil, &block) - options, prefix = prefix, nil if prefix.is_a?(Hash) - options ||= {} - options.merge!({ :class => "#{dom_class(record, prefix)} #{options[:class]}".strip, :id => dom_id(record, prefix) }) - content_tag(tag_name, options, &block) + def content_tag_for(tag_name, single_or_multiple_records, prefix = nil, options = nil, &block) + if single_or_multiple_records.respond_to?(:to_ary) + single_or_multiple_records.to_ary.map do |single_record| + capture { content_tag_for_single_record(tag_name, single_record, prefix, options, &block) } + end.join("\n") + else + content_tag_for_single_record(tag_name, single_or_multiple_records, prefix, options, &block) + end end + + private + + # Called by <tt>content_tag_for</tt> internally to render a content tag + # for each record. + def content_tag_for_single_record(tag_name, record, prefix, options, &block) + options, prefix = prefix, nil if prefix.is_a?(Hash) + options ||= {} + options.merge!({ :class => "#{dom_class(record, prefix)} #{options[:class]}".strip, :id => dom_id(record, prefix) }) + if block.arity == 0 + content_tag(tag_name, capture(&block), options) + else + content_tag(tag_name, capture(record, &block), options) + end + end end end end diff --git a/actionpack/test/template/record_tag_helper_test.rb b/actionpack/test/template/record_tag_helper_test.rb index 1ba14e8bc9..edc2689896 100644 --- a/actionpack/test/template/record_tag_helper_test.rb +++ b/actionpack/test/template/record_tag_helper_test.rb @@ -4,11 +4,12 @@ require 'controller/fake_models' class Post extend ActiveModel::Naming include ActiveModel::Conversion + attr_writer :id, :body def id - 45 + @id || 45 end def body - super || "What a wonderful world!" + super || @body || "What a wonderful world!" end end @@ -58,4 +59,23 @@ class RecordTagHelperTest < ActionView::TestCase actual = div_for(@post, :class => "bar") { concat @post.body } assert_dom_equal expected, actual end + + def test_content_tag_for_collection + post_1 = Post.new.tap { |post| post.id = 101; post.body = "Hello!"; post.persisted = true } + post_2 = Post.new.tap { |post| post.id = 102; post.body = "World!"; post.persisted = true } + expected = %(<li class="post" id="post_101">Hello!</li>\n<li class="post" id="post_102">World!</li>) + actual = content_tag_for(:li, [post_1, post_2]) { |post| concat post.body } + assert_dom_equal expected, actual + end + + def test_content_tag_for_collection_is_html_safe + end + + def test_div_for_collection + post_1 = Post.new.tap { |post| post.id = 101; post.body = "Hello!"; post.persisted = true } + post_2 = Post.new.tap { |post| post.id = 102; post.body = "World!"; post.persisted = true } + expected = %(<div class="post" id="post_101">Hello!</div>\n<div class="post" id="post_102">World!</div>) + actual = div_for([post_1, post_2]) { |post| concat post.body } + assert_dom_equal expected, actual + end end |