+sub init_js {
+ my ($self) = @_;
+ $self->js(SL::ClientJS->new);
+}
+
+sub replace_bottom {
+ my ($self, $item_or_id) = @_;
+
+ my $item = (ref($item_or_id) ? $item_or_id : SL::DB::RequirementSpecItem->new(id => $item_or_id))->load;
+ my $id_prefix = $item->item_type eq 'function-block' ? '' : 'sub-';
+ my $html = $self->render('requirement_spec_item/_function_block_content_bottom', { output => 0 }, requirement_spec_item => $item, id_prefix => $id_prefix);
+ return $self->js->replaceWith('#' . $id_prefix . 'function-block-content-bottom-' . $item->id, $html);
+}
+
+sub render_list {
+ my ($self, $item, $item_to_select) = @_;
+
+ my $html = $self->render('requirement_spec_item/_section', { output => 0 }, requirement_spec_item => $item);
+ $self->js->html('#column-content', $html);
+ $self->select_node($item_to_select || $item);
+}
+
+sub select_node {
+ my ($self, $item) = @_;
+
+ $self->js
+ ->val( '#current_content_type', $item->item_type)
+ ->val( '#current_content_id', $item->id)
+ ->jstree->select_node('#tree', '#fb-' . $item->id);
+}
+
+sub create_dependency_item {
+ my $self = shift;
+ [ $_[0]->id, $self->presenter->truncate(join(' ', grep { $_ } ($_[1], $_[0]->fb_number, $_[0]->description))) ];
+}
+
+sub create_dependencies {
+ my ($self) = @_;
+
+ return map { [ $_->fb_number . ' ' . $_->title,
+ [ map { ( $self->create_dependency_item($_),
+ map { $self->create_dependency_item($_, '->') } @{ $_->children_sorted })
+ } @{ $_->children_sorted } ] ]
+ } @{ $self->item->requirement_spec->sections };
+}
+
+sub ensure_section_is_shown {
+ my ($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->js
+ ->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, $params{display_reference})
+ ->focus("#${id_base}_description");
+}
+
+sub add_new_item_form_after_create {
+ my ($self, %params) = @_;
+
+ my $created_item = $self->item;
+ $self->item(SL::DB::RequirementSpecItem->new(requirement_spec_id => $created_item->requirement_spec_id, parent_id => $created_item->parent_id, item_type => $created_item->item_type));
+
+ $self->add_new_item_form(
+ insert_position => 'insertAfter',
+ insert_reference => $created_item->id,
+ display_reference => '#' . $created_item->item_type . '-' . $created_item->id,
+ );
+}
+
+sub add_function_block {
+ my ($self, $new_type) = @_;
+
+ my $clicked_id = $::form->{id} || ($self->visible_item ? $self->visible_item->id : undef);
+
+ die "Invalid new_type '$new_type'" if $new_type !~ m/^(?:sub-)?function-block$/;
+ die "Missing parameter 'id' and no visible item" if !$clicked_id;
+ die "Missing parameter 'requirement_spec_id'" if !$::form->{requirement_spec_id};
+
+ my $clicked_item = SL::DB::RequirementSpecItem->new(id => $clicked_id)->load;
+ my $clicked_type = $clicked_item->item_type;
+
+ die "Invalid clicked_type '$clicked_type'" if $clicked_type !~ m/^(?: section | (?:sub-)? function-block )$/x;
+
+ my $case = "${clicked_type}:${new_type}";
+
+ my ($insert_position, $insert_reference, $parent_id, $display_reference)
+ = $case eq 'section:function-block' ? ( 'appendTo', $clicked_item->id, $clicked_item->id, '#section-list' )
+ : $case eq 'function-block:function-block' ? ( 'insertAfter', $clicked_item->id, $clicked_item->parent_id, '#function-block-' )
+ : $case eq 'function-block:sub-function-block' ? ( 'appendTo' , $clicked_item->id, $clicked_item->id, '#sub-function-block-container-' )
+ : $case eq 'sub-function-block:function-block' ? ( 'insertAfter', $clicked_item->parent_id, $clicked_item->parent->parent_id, '#function-block-' )
+ : $case eq 'sub-function-block:sub-function-block' ? ( 'insertAfter', $clicked_item->id, $clicked_item->parent_id, '#sub-function-block-' )
+ : die "Invalid combination of 'clicked_type (section)/new_type ($new_type)'";
+
+ $display_reference .= $insert_reference if $display_reference =~ m/-$/;
+
+ $self->item(SL::DB::RequirementSpecItem->new(requirement_spec_id => $::form->{requirement_spec_id}, parent_id => $parent_id, item_type => $new_type));
+
+ $self->ensure_section_is_shown;
+ $self->add_new_item_form(insert_position => $insert_position, insert_reference => $insert_reference, display_reference => $display_reference);
+
+ $self->js->show('#sub-function-block-container-' . $parent_id) if $new_type eq 'sub-function-block';
+
+ $self->js->render($self);
+}
+
+sub is_item_visible {
+ my ($self, $item) = @_;
+
+ $item ||= $self->item;
+ return $self->visible_section && ($self->visible_section->id == $item->section->id);
+}
+
+sub invalidate_version {
+ my ($self) = @_;
+
+ my $html = $self->render('requirement_spec/_version', { output => 0 },
+ requirement_spec => SL::DB::RequirementSpec->new(id => $::form->{requirement_spec_id} || $self->item->requirement_spec_id)->load);
+ return $self->js->html('#requirement_spec_version', $html);
+}
+