Pflichtenhefte: Drag & Drop von Textblöcken

[kivitendo-erp.git] / SL / Controller / RequirementSpecTextBlock.pm

diff --git a/SL/Controller/RequirementSpecTextBlock.pm b/SL/Controller/RequirementSpecTextBlock.pm
index 4f50740..6027cc5 100644 (file)
--- a/SL/Controller/RequirementSpecTextBlock.pm
+++ b/SL/Controller/RequirementSpecTextBlock.pm
@@ -4,9 +4,11 @@ use strict;
 
 use parent qw(SL::Controller::Base);
 
+use SL::ClientJS;
 use SL::DB::RequirementSpec;
 use SL::DB::RequirementSpecTextBlock;
 use SL::Helper::Flash;
+use SL::JSON;
 use SL::Locale::String;
 
 use Rose::Object::MakeMethods::Generic
@@ -14,22 +16,48 @@ use Rose::Object::MakeMethods::Generic
  scalar => [ qw(requirement_spec text_block) ],
 );
 
-# __PACKAGE__->run_before('load_requirement_spec');
 __PACKAGE__->run_before('load_requirement_spec_text_block', only => [qw(dragged_and_dropped)]);
 
 #
 # actions
 #
 
+sub action_ajax_list {
+  my ($self) = @_;
+
+  my $result        = { };
+  my $current_where = $self->output_position_from_id($::form->{current_content_id}, $::form->{current_content_type});
+  my $new_where;
+
+  if ($::form->{clicked_type} =~ m/^textblocks-(front|back)/) {
+    $new_where = $1 eq 'front' ? 0 : 1;
+
+  } else {
+    $new_where = $self->output_position_from_id($::form->{clicked_id});
+  }
+
+  # $::lxdebug->message(0, "cur $current_where new $new_where");
+
+  my $js = SL::ClientJS->new;
+
+  if (!defined($current_where) || ($new_where != $current_where)) {
+    my $text_blocks = SL::DB::Manager::RequirementSpecTextBlock->get_all_sorted(where => [ output_position => $new_where ]);
+    my $html        = $self->render('requirement_spec_text_block/ajax_list', { output => 0 }, TEXT_BLOCKS => $text_blocks, output_position => $new_where, nownow => DateTime->now_local);
+
+    $js->html('#column-content', $html)
+  }
+
+  $self->render($js);
+}
+
 sub action_dragged_and_dropped {
   my ($self)       = @_;
 
-  $::lxdebug->dump(0, "form", $::form);
-
   my $position           = $::form->{position} =~ m/^ (?: before | after | last ) $/x ? $::form->{position}                                                      : die "Unknown 'position' parameter";
   my $dropped_text_block = $position           =~ m/^ (?: before | after ) $/x        ? SL::DB::RequirementSpecTextBlock->new(id => $::form->{dropped_id})->load : undef;
 
   my $dropped_type       = $position ne 'last' ? undef : $::form->{dropped_type} =~ m/^ textblocks- (?:front|back) $/x ? $::form->{dropped_type} : die "Unknown 'dropped_type' parameter";
+  my $old_where          = $self->text_block->output_position;
 
   $self->text_block->db->do_transaction(sub {
     1;
@@ -38,7 +66,52 @@ sub action_dragged_and_dropped {
     $self->text_block->add_to_list(position => $position, reference => $dropped_text_block ? $dropped_text_block->id : undef);
   });
 
-  $self->render(\'', { type => 'json' });
+  return $self->render(\'', { type => 'json' }) if $::form->{current_content_type} !~ m/^textblock/;
+
+  my $current_where = $self->output_position_from_id($::form->{current_content_id}, $::form->{current_content_type});
+  my $new_where     = $self->text_block->output_position;
+  my $id            = $self->text_block->id;
+  my $js            = SL::ClientJS->new;
+
+  # $::lxdebug->message(0, "old $old_where current $current_where new $new_where current_CID " . $::form->{current_content_id} . ' selfid ' . $self->text_block->id);
+  if (($old_where != $new_where) && ($::form->{current_content_id} == $self->text_block->id)) {
+    # The currently selected text block is dragged to the opposite
+    # text block location. Re-render the whole content column.
+    my $text_blocks = SL::DB::Manager::RequirementSpecTextBlock->get_all_sorted(where => [ output_position => $new_where ]);
+    my $html        = $self->render('requirement_spec_text_block/ajax_list', { output => 0 }, TEXT_BLOCKS => $text_blocks, output_position => $new_where);
+
+    $js->val('#current_content_type', 'textblocks-' . ($new_where == 0 ? 'front' : 'back'))
+       ->html('#column-content', $html);
+
+  } else {
+    if ($old_where == $current_where) {
+      $js->remove('#text-block-' . $self->text_block->id);
+
+      if (0 == scalar(@{ SL::DB::Manager::RequirementSpecTextBlock->get_all(where => [ requirement_spec_id => $self->text_block->requirement_spec_id, output_position => $current_where ]) })) {
+        $js->show('#text-block-list-empty');
+      }
+    }
+
+    if ($new_where == $current_where) {
+      $js->hide('#text-block-list-empty');
+
+      my $html             = "" . $self->render('requirement_spec_text_block/_text_block', { output => 0 }, text_block => $self->text_block);
+      $html                =~ s/^\s+//;
+      my $prior_text_block = $self->text_block->get_previous_in_list;
+
+      if ($prior_text_block) {
+        $js->insertAfter($html, '#text-block-' . $prior_text_block->id);
+      } else {
+        $js->appendTo($html, '#text-block-list');
+      }
+    }
+  }
+
+  $::lxdebug->message(0, "old $old_where current $current_where new $new_where");
+
+  $::lxdebug->dump(0, "actions", $js);
+
+  $self->render($js);
 }
 
 #
@@ -59,4 +132,19 @@ sub load_requirement_spec_text_block {
 # helpers
 #
 
+sub output_position_from_id {
+  my ($self, $id, $type, %params) = @_;
+
+  if (!$id) {
+    return $params{default} unless $type =~ m/-(front|back)/;
+    return $1 eq 'front' ? 0 : 1;
+  }
+
+  my $text_block = SL::DB::Manager::RequirementSpecTextBlock->find_by(id => $id);
+
+  return $params{default}             unless $text_block;
+  return $text_block->output_position unless $params{as} eq 'text';
+  return 1 == $text_block->output_position ? 'front' : 'back';
+}
+
 1;