add clearers for order and pager listview roles

2 files changed, 14 insertions, 2 deletions

diff --git a/lib/Reaction/UI/ViewPort/Collection/Role/Order.pm b/lib/Reaction/UI/ViewPort/Collection/Role/Order.pm
index 0121605..bb19f05 100644
--- a/lib/Reaction/UI/ViewPort/Collection/Role/Order.pm
+++ b/lib/Reaction/UI/ViewPort/Collection/Role/Order.pm
@@ -5,13 +5,19 @@ use Reaction::Role;
 use namespace::clean -except => [ qw(meta) ];
 
 
-has order_by      => (isa => 'Str', is => 'rw', trigger_adopt('order_by'));
+has order_by      => (isa => 'Str', is => 'rw', trigger_adopt('order_by'), clearer => 'clear_order_by');
 has order_by_desc => (isa => 'Int', is => 'rw', trigger_adopt('order_by'), lazy_build => 1);
 sub _build_order_by_desc { 0 };
 sub adopt_order_by {
   shift->clear_current_collection;
 };
 
+after clear_order_by => sub {
+  my ($self) = @_;
+  $self->order_by_desc(0);
+  $self->clear_current_collection;
+};
+
 around _build_current_collection => sub {
   my $orig = shift;
   my ($self) = @_;
diff --git a/lib/Reaction/UI/ViewPort/Collection/Role/Pager.pm b/lib/Reaction/UI/ViewPort/Collection/Role/Pager.pm
index 64752a6..5f7c8f2 100644
--- a/lib/Reaction/UI/ViewPort/Collection/Role/Pager.pm
+++ b/lib/Reaction/UI/ViewPort/Collection/Role/Pager.pm
@@ -11,7 +11,7 @@ use namespace::clean -except => [ qw(meta) ];
 #has paged_collection => (isa => Collection, is => 'rw', lazy_build => 1);
 
 has pager    => (isa => 'Data::Page', is => 'rw', lazy_build => 1);
-has page     => (isa => 'Int', is => 'rw', lazy_build => 1, trigger_adopt('page'));
+has page     => (isa => 'Int', is => 'rw', lazy_build => 1, trigger_adopt('page'), clearer => 'clear_page');
 has per_page => (isa => 'Int', is => 'rw', lazy_build => 1, trigger_adopt('page'));
 has per_page_max => (isa => 'Int', is => 'rw', lazy_build => 1);
 sub _build_page { 1  };
@@ -26,6 +26,12 @@ sub adopt_page {
   $self->clear_current_collection;
 };
 
+after clear_page => sub {
+  my ($self) = @_;
+  $self->clear_pager;
+  $self->clear_current_collection;
+};
+
 around accept_events => sub { ('page','per_page', shift->(@_)); };
 
 #implements build_paged_collection => as {