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authorDavid Heinemeier Hansson <david@loudthinking.com>2007-04-30 01:17:56 +0000
committerDavid Heinemeier Hansson <david@loudthinking.com>2007-04-30 01:17:56 +0000
commitda257eb81ba1eab76ef2c1a256916193858418d4 (patch)
tree3b472ae6730ce177c6a496da0ea2b15ab988942d /actionpack/lib/action_view
parent0dc70383097f1212fa7d9b21c57e31cfd4b7204c (diff)
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Added the first part of Simply Helpful to core. The rest is pending a clean integartion of polymorphic urls [DHH]
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@6633 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
Diffstat (limited to 'actionpack/lib/action_view')
-rw-r--r--actionpack/lib/action_view/helpers/prototype_helper.rb13
-rw-r--r--actionpack/lib/action_view/helpers/record_identification_helper.rb16
-rw-r--r--actionpack/lib/action_view/helpers/record_tag_helper.rb55
3 files changed, 83 insertions, 1 deletions
diff --git a/actionpack/lib/action_view/helpers/prototype_helper.rb b/actionpack/lib/action_view/helpers/prototype_helper.rb
index ed3f7b7d7f..9fa27d6386 100644
--- a/actionpack/lib/action_view/helpers/prototype_helper.rb
+++ b/actionpack/lib/action_view/helpers/prototype_helper.rb
@@ -384,8 +384,19 @@ module ActionView
# page['blank_slate'] # => $('blank_slate');
# page['blank_slate'].show # => $('blank_slate').show();
# page['blank_slate'].show('first').up # => $('blank_slate').show('first').up();
+ #
+ # You can also pass in a record, which will use ActionController::RecordIdentifier.dom_id to lookup
+ # the correct id:
+ #
+ # page[@post] # => $('post_45')
+ # page[Post.new] # => $('new_post')
def [](id)
- JavaScriptElementProxy.new(self, id)
+ case id
+ when String, Symbol, NilClass
+ JavaScriptElementProxy.new(self, id)
+ else
+ JavaScriptElementProxy.new(self, ActionController::RecordIdentifier.dom_id(id))
+ end
end
# Returns an object whose <tt>#to_json</tt> evaluates to +code+. Use this to pass a literal JavaScript
diff --git a/actionpack/lib/action_view/helpers/record_identification_helper.rb b/actionpack/lib/action_view/helpers/record_identification_helper.rb
new file mode 100644
index 0000000000..2e5ff865cc
--- /dev/null
+++ b/actionpack/lib/action_view/helpers/record_identification_helper.rb
@@ -0,0 +1,16 @@
+module RecordIdentificationHelper
+ # See ActionController::RecordIdentifier.partial_path -- this is just a delegate to that for convenient access in the view.
+ def partial_path(*args, &block)
+ ActionController::RecordIdentifier.partial_path(*args, &block)
+ end
+
+ # See ActionController::RecordIdentifier.dom_class -- this is just a delegate to that for convenient access in the view.
+ def dom_class(*args, &block)
+ ActionController::RecordIdentifier.dom_class(*args, &block)
+ end
+
+ # See ActionController::RecordIdentifier.dom_id -- this is just a delegate to that for convenient access in the view.
+ def dom_id(*args, &block)
+ ActionController::RecordIdentifier.dom_id(*args, &block)
+ end
+end \ No newline at end of file
diff --git a/actionpack/lib/action_view/helpers/record_tag_helper.rb b/actionpack/lib/action_view/helpers/record_tag_helper.rb
new file mode 100644
index 0000000000..29845ba147
--- /dev/null
+++ b/actionpack/lib/action_view/helpers/record_tag_helper.rb
@@ -0,0 +1,55 @@
+module RecordTagHelper
+ # Produces a wrapper DIV element with id and class parameters that
+ # relate to the specified ActiveRecord object. Usage example:
+ #
+ # <% div_for(@person, :class => "foo") do %>
+ # <%=h @person.name %>
+ # <% end %>
+ #
+ # produces:
+ #
+ # <div id="person_123" class="person foo"> Joe Bloggs </div>
+ #
+ def div_for(record, *args, &block)
+ content_tag_for(:div, record, *args, &block)
+ end
+
+ # content_tag_for creates an HTML element with id and class parameters
+ # that relate to the specified ActiveRecord object. For example:
+ #
+ # <% content_tag_for(:tr, @person) do %>
+ # <td><%=h @person.first_name %></td>
+ # <td><%=h @person.last_name %></td>
+ # <% end %>
+ #
+ # would produce hthe following HTML (assuming @person is an instance of
+ # a Person object, with an id value of 123):
+ #
+ # <tr id="person_123" class="person">....</tr>
+ #
+ # If you require the HTML id attribute to have a prefix, you can specify it:
+ #
+ # <% content_tag_for(:tr, @person, :foo) do %> ...
+ #
+ # produces:
+ #
+ # <tr id="foo_person_123" class="person">...
+ #
+ # content_tag_for also accepts a hash of options, which will be converted to
+ # additional HTML attributes. If you specify a +:class+ value, it will be combined
+ # with the default class name for your object. For example:
+ #
+ # <% content_tag_for(:li, @person, :class => "bar") %>...
+ #
+ # produces:
+ #
+ # <li id="person_123" class="person bar">...
+ #
+ def content_tag_for(tag_name, record, *args, &block)
+ prefix = args.first.is_a?(Hash) ? nil : args.shift
+ options = args.first.is_a?(Hash) ? args.shift : {}
+ concat content_tag(tag_name, capture(&block),
+ options.merge({ :class => "#{dom_class(record)} #{options[:class]}".strip, :id => dom_id(record, prefix) })),
+ block.binding
+ end
+end \ No newline at end of file