X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FReaction%2FUI%2FWidget%2FField%2FMutable.pm;h=9fc565e2ede6c44983037a63b3f4a38b644c7bbd;hb=56d5a4eb0f9cef44c02759663616dd1f0893d483;hp=0e670e5ad915e76ef0033e5ecea01df1d7b22483;hpb=7d5da5c808020e1f6fcbf51b2dfc3fb34923345f;p=catagits%2FReaction.git

diff --git a/lib/Reaction/UI/Widget/Field/Mutable.pm b/lib/Reaction/UI/Widget/Field/Mutable.pm
index 0e670e5..9fc565e 100644
--- a/lib/Reaction/UI/Widget/Field/Mutable.pm
+++ b/lib/Reaction/UI/Widget/Field/Mutable.pm
@@ -22,7 +22,10 @@ extends 'Reaction::UI::Widget::Field';
  };
 
  implements fragment message_fragment {
-   if (my $message = $_{viewport}->message) {
+   my $vp = $_{viewport};
+   return unless $vp->has_message;
+   my $message = $vp->message;
+   if ($message) {
      arg message => localized $message;
      render 'message';
    }
@@ -43,3 +46,191 @@ __PACKAGE__->meta->make_immutable;
 1;
 
 __END__;
+
+=head1 NAME
+
+Reaction::UI::Widget::Field::Mutable - Mutable fields
+
+=head1 DESCRIPTION
+
+An extension of L<Reaction::UI::Widget::Field> representing fields
+whose values can be mutated.
+
+=head1 FRAGMENTS
+
+=head2 widget
+
+The following additional arguments are provided:
+
+=over 4
+
+=item field_id
+
+Contains the viewport's event id for C<value_string>.
+
+=item field_name
+
+Defaults to the C<field_id> argument unless already defined
+
+=item field_type
+
+Defaults to C<text>.
+
+=item field_class
+
+A string containing the joined class attribute. Defaults to
+C<action-field> and the current viewport's C<name>.
+
+=item exists_event
+
+Contains the event id for C<exists>.
+
+=item exists_value
+
+Defaults to C<1>.
+
+=back
+
+=head2 message_fragment
+
+Renders nothing if the viewport doesn't have a message.
+
+Otherwise, the C<message> argument will be set to the localised string contained
+in the viewport's C<message> attribute and the C<message> fragment will be rendered.
+
+=head2 field_is_required
+
+Will render either C<field_is_required_yes> or C<field_is_required_no> depending on
+if C<value_is_required> on the viewport returns true and the viewports C<value_string>
+is empty.
+
+=head1 LAYOUT SETS
+
+=head2 base
+
+  share/skin/base/layout/field/mutable.tt
+
+The following layouts are provided:
+
+=over 4
+
+=item widget
+
+Builds a C<span> element with a class attribute set to the C<field_class> argument.
+The element contents will be the C<label_fragment>, C<field> and C<message_fragment>
+fragments.
+
+=item label
+
+Builds a C<label> element with the C<for> attribute set to the value of C<field_id> and
+the other attributes used from the C<field_is_required> argument. The content will be
+the C<label> argument.
+
+=item field_is_required_yes
+
+Sets the class attribute to C<required_field>.
+
+=item field_is_required_no
+
+Empty.
+
+=item message
+
+Renders a C<span> element with the C<message> as content.
+
+=item field
+
+Renders the input field. The C<field_body> fragment is used to set the value.
+
+=item field_body
+
+Creates the C<value> attribute for the input element.
+
+=back
+
+=head2 default
+
+  share/skin/default/layout/field/mutable.tt
+
+The following layouts are provided:
+
+=over 4
+
+=item message
+
+Will render the original C<message> fragment followed by a C<br> element.
+
+=back
+
+=head1 SUBCLASSES
+
+=over 4
+
+=item L<Reaction::UI::Widget::Field::Mutable::Boolean>
+
+A widget allowing the manipulation of boolean values.
+
+=item L<Reaction::UI::Widget::Field::Mutable::ChooseMany>
+
+Allows the user to choose many items from a list of available values.
+
+=item L<Reaction::UI::Widget::Field::Mutable::ChooseOne>
+
+Allows the user to choose a single item from a list of available values.
+
+=item L<Reaction::UI::Widget::Field::Mutable::DateTime>
+
+A simple DateTime L<Reaction::UI::Widget::Field::Mutable> subclass.
+
+=item L<Reaction::UI::Widget::Field::Mutable::File>
+
+A simple file input field.
+
+=item L<Reaction::UI::Widget::Field::Mutable::HiddenArray>
+
+Renders an array reference value as a series of hidden fields.
+
+=item L<Reaction::UI::Widget::Field::Mutable::Integer>
+
+A simple integer L<Reaction::UI::Widget::Field::Mutable>.
+
+=item L<Reaction::UI::Widget::Field::Mutable::MatchingPasswords>
+
+Password input requiring that the password be entered twice, e.g. to input a new
+password.
+
+=item L<Reaction::UI::Widget::Field::Mutable::Password>
+
+A password input L<Reaction::UI::Widget::Field::Mutable>.
+
+=item L<Reaction::UI::Widget::Field::Mutable::Number>
+
+A simple number L<Reaction::UI::Widget::Field::Mutable> input field.
+
+=item L<Reaction::UI::Widget::Field::Mutable::String>
+
+A simple string L<Reaction::UI::Widget::Field::Mutable> input field.
+
+=item L<Reaction::UI::Widget::Field::Mutable::Text>
+
+A multiline input L<Reaction::UI::Widget::Field::Mutable>.
+
+=back
+
+=head1 SEE ALSO
+
+=over 4
+
+=item * L<Reaction::UI::Widget::Field>
+
+=back
+
+=head1 AUTHORS
+
+See L<Reaction::Class> for authors.
+
+=head1 LICENSE
+
+See L<Reaction::Class> for the license.
+
+=cut