Add HTML5 input[type="time"] helper

7 files changed, 76 insertions, 0 deletions

diff --git a/actionpack/CHANGELOG.md b/actionpack/CHANGELOG.md
index 3f2593710e..41af29573e 100644
--- a/actionpack/CHANGELOG.md
+++ b/actionpack/CHANGELOG.md
@@ -1,5 +1,7 @@
 ## Rails 4.0.0 (unreleased) ##
 
+*   Add `time_field` and `time_field_tag` helpers which render an `input[type="time"]` tag. *Alex Soulim*
+
 *   Removed old text_helper apis for highlight, excerpt and word_wrap *Jeremy Walker*
 
 *   Templates without a handler extension now raises a deprecation warning but still
diff --git a/actionpack/lib/action_view/helpers/form_helper.rb b/actionpack/lib/action_view/helpers/form_helper.rb
index cc1f133196..6510610034 100644
--- a/actionpack/lib/action_view/helpers/form_helper.rb
+++ b/actionpack/lib/action_view/helpers/form_helper.rb
@@ -990,6 +990,23 @@ module ActionView
         Tags::DateField.new(object_name, method, self, options).render
       end
 
+      # Returns a text_field of type "time".
+      #
+      # The default value is generated by trying to call +strftime+ with "%T.%L"
+      # on the objects's value. It is still possible to override that
+      # by passing the "value" option.
+      #
+      # === Options
+      # * Accepts same options as time_field_tag
+      #
+      # === Example
+      #   time_field("task", "started_at")
+      #   # => <input id="task_started_at" name="task[started_at]" type="time" />
+      #
+      def time_field(object_name, method, options = {})
+        Tags::TimeField.new(object_name, method, self, options).render
+      end
+
       # Returns a text_field of type "url".
       #
       #   url_field("user", "homepage")
diff --git a/actionpack/lib/action_view/helpers/form_tag_helper.rb b/actionpack/lib/action_view/helpers/form_tag_helper.rb
index 9e5c66f4a9..e65b4e3e95 100644
--- a/actionpack/lib/action_view/helpers/form_tag_helper.rb
+++ b/actionpack/lib/action_view/helpers/form_tag_helper.rb
@@ -549,6 +549,17 @@ module ActionView
         text_field_tag(name, value, options.stringify_keys.update("type" => "date"))
       end
 
+      # Creates a text field of type "time".
+      #
+      # === Options
+      # * <tt>:min</tt> - The minimum acceptable value.
+      # * <tt>:max</tt> - The maximum acceptable value.
+      # * <tt>:step</tt> - The acceptable value granularity.
+      # * Otherwise accepts the same options as text_field_tag.
+      def time_field_tag(name, value = nil, options = {})
+        text_field_tag(name, value, options.stringify_keys.update("type" => "time"))
+      end
+
       # Creates a text field of type "url".
       #
       # ==== Options
diff --git a/actionpack/lib/action_view/helpers/tags.rb b/actionpack/lib/action_view/helpers/tags.rb
index 3cf762877f..5cd77c8ec3 100644
--- a/actionpack/lib/action_view/helpers/tags.rb
+++ b/actionpack/lib/action_view/helpers/tags.rb
@@ -25,6 +25,7 @@ module ActionView
       autoload :TelField
       autoload :TextArea
       autoload :TextField
+      autoload :TimeField
       autoload :TimeSelect
       autoload :TimeZoneSelect
       autoload :UrlField
diff --git a/actionpack/lib/action_view/helpers/tags/time_field.rb b/actionpack/lib/action_view/helpers/tags/time_field.rb
new file mode 100644
index 0000000000..271dc00c54
--- /dev/null
+++ b/actionpack/lib/action_view/helpers/tags/time_field.rb
@@ -0,0 +1,14 @@
+module ActionView
+  module Helpers
+    module Tags
+      class TimeField < TextField #:nodoc:
+        def render
+          options = @options.stringify_keys
+          options["value"] = @options.fetch("value") { value(object).try(:strftime, "%T.%L") }
+          @options = options
+          super
+        end
+      end
+    end
+  end
+end
diff --git a/actionpack/test/template/form_helper_test.rb b/actionpack/test/template/form_helper_test.rb
index beb3ea752a..27cc3ad48a 100644
--- a/actionpack/test/template/form_helper_test.rb
+++ b/actionpack/test/template/form_helper_test.rb
@@ -646,6 +646,32 @@ class FormHelperTest < ActionView::TestCase
     assert_dom_equal(expected, date_field("post", "written_on"))
   end
 
+  def test_time_field
+    expected = %{<input id="post_written_on" name="post[written_on]" type="time" value="00:00:00.000" />}
+    assert_dom_equal(expected, time_field("post", "written_on"))
+  end
+
+  def test_time_field_with_datetime_value
+    expected = %{<input id="post_written_on" name="post[written_on]" type="time" value="01:02:03.000" />}
+    @post.written_on = DateTime.new(2004, 6, 15, 1, 2, 3)
+    assert_dom_equal(expected, time_field("post", "written_on"))
+  end
+
+  def test_time_field_with_timewithzone_value
+    previous_time_zone, Time.zone = Time.zone, 'UTC'
+    expected = %{<input id="post_written_on" name="post[written_on]" type="time" value="01:02:03.000" />}
+    @post.written_on = Time.zone.parse('2004-06-15 01:02:03')
+    assert_dom_equal(expected, time_field("post", "written_on"))
+  ensure
+    Time.zone = previous_time_zone
+  end
+
+  def test_time_field_with_nil_value
+    expected = %{<input id="post_written_on" name="post[written_on]" type="time" />}
+    @post.written_on = nil
+    assert_dom_equal(expected, time_field("post", "written_on"))
+  end
+
   def test_url_field
     expected = %{<input id="user_homepage" name="user[homepage]" type="url" />}
     assert_dom_equal(expected, url_field("user", "homepage"))
diff --git a/actionpack/test/template/form_tag_helper_test.rb b/actionpack/test/template/form_tag_helper_test.rb
index 7a645217b8..6574e13558 100644
--- a/actionpack/test/template/form_tag_helper_test.rb
+++ b/actionpack/test/template/form_tag_helper_test.rb
@@ -459,6 +459,11 @@ class FormTagHelperTest < ActionView::TestCase
     assert_dom_equal(expected, date_field_tag("cell"))
   end
 
+  def test_time_field_tag
+    expected = %{<input id="cell" name="cell" type="time" />}
+    assert_dom_equal(expected, time_field_tag("cell"))
+  end
+
   def test_url_field_tag
     expected = %{<input id="homepage" name="homepage" type="url" />}
     assert_dom_equal(expected, url_field_tag("homepage"))