+sub ensure_section_is_shown {
+  my ($self, %params) = @_;
+
+  return $self->js if $self->is_item_visible;
+
+  # Show section/item to edit if it is not visible.
+  my $new_section = $self->item->section;
+  my $html        = $self->render('requirement_spec_item/_section', { output => 0 }, requirement_spec_item => $new_section);
+
+  return $self->set_function_blocks_tab_menu_class(class => 'section-context-menu')
+    ->html('#column-content', $html)
+    ->val('#current_content_type', 'section')
+    ->val('#current_content_id',   $new_section->id)
+    ->jstree->select_node('#tree', '#fb-' . $new_section->id);
+}
+
+sub add_new_item_form {
+  my ($self, %params) = @_;
+
+  for (qw(insert_position display_reference)) {
+    croak "Missing parameter $_" if !$params{$_};
+  }
+  croak "Missing parameter insert_reference" if ($params{insert_position} eq 'insertAfter') && !$params{insert_reference};
+
+  my $id_base = join('_', 'new_function_block', Time::HiRes::gettimeofday(), int rand 1000000000000);
+  my $html    = $self->render(
+    'requirement_spec_item/_function_block_form',
+    { output => 0 },
+    DEPENDENCIES          => [ $self->create_dependencies ],
+    SELECTED_DEPENDENCIES => [],
+    requirement_spec_item => $self->item,
+    id_base               => $id_base,
+    insert_after          => $params{insert_position} eq 'insertAfter' ? $params{insert_reference} : undef,
+  );
+
+  return $self->js
+    ->action($params{insert_position}, $html, $params{display_reference})
+    ->action_if($self->item->item_type eq 'sub-function-block', 'show', '#sub-function-block-container-' . $self->item->parent_id)
+    ->run('kivi.requirement_spec.init_function_block_keypress_events', "${id_base}_form")
+    ->reinit_widgets
+    ->focus("#${id_base}_description");
+}
+
+sub add_new_item_form_after_create {
+  my ($self, %params) = @_;
+
+  my $created_item    = $self->item;
+
+  my ($new_item_type, $new_parent_id, $insert_position, $insert_reference, $display_reference);
+  if ($created_item->item_type eq 'section') {
+    # $created_item is section, new one will be function-block
+    $new_item_type     = 'function-block';
+    $new_parent_id     = $created_item->id;
+    $insert_position   = 'appendTo';
+    $display_reference = '#section-list';
+
+  } elsif (!$::form->{shift_in_out}) {
+    # $created_item is function-block or sub-function-block, new one will be the same
+    $new_item_type     = $created_item->item_type;
+    $new_parent_id     = $created_item->parent_id;
+    $insert_position   = 'insertAfter';
+    $insert_reference  = $created_item->id;
+    $display_reference = '#' . $created_item->item_type . '-' . $created_item->id;
+
+  } elsif ($created_item->item_type eq 'function-block') {
+    # $created_item is function-block, new one will be sub-function-block
+    $new_item_type     = 'sub-function-block';
+    $new_parent_id     = $created_item->id;
+    $insert_position   = 'appendTo';
+    $display_reference = '#sub-function-block-container-' . $created_item->id;
+
+  } else {
+    # $created_item is sub-function-block, new one will be function-block
+    $new_item_type     = 'function-block';
+    $new_parent_id     = $created_item->parent->parent_id;
+    $insert_position   = 'insertAfter';
+    $insert_reference  = $created_item->parent_id;
+    $display_reference = '#function-block-' . $created_item->parent_id;
+  }
+
+  $::lxdebug->message(LXDebug::DEBUG1(),
+                      "OLD item_type " . $created_item->item_type . " ; NEW item_type $new_item_type ; parent_id $new_parent_id ; " .
+                      "insert_position $insert_position ; insert_reference $insert_reference ; display_reference $display_reference");
+
+  $self->item(SL::DB::RequirementSpecItem->new(
+    requirement_spec_id => $created_item->requirement_spec_id,
+    parent_id           => $new_parent_id,
+    item_type           => $new_item_type,
+  ));
+
+  $self->add_new_item_form(
+    insert_reference  => $insert_reference,
+    insert_position   => $insert_position,
+    display_reference => $display_reference,
+  );
+}
+