$self->graph->set_attribute( 'node', 'shape', $shape );
}
-# Wrappers around some methods
+# Wrappes around merge_nodes
sub merge_readings {
my $self = shift;
=back
+=head2 Navigation methods
+
+=over
+
=item B<start>
my $beginning = $collation->start();
return $ret;
}
+
+## INITIALIZATION METHODS - for use by parsers
# Walk the paths for each witness in the graph, and return the nodes
# that the graph has in common.
# Mark all the nodes as either common or not.
foreach my $cn ( @common_readings ) {
- print STDERR "Setting " . $cn->name . " as common node\n";
+ print STDERR "Setting " . $cn->name . " / " . $cn->label . " as common node\n";
$cn->make_common;
}
foreach my $n ( $self->readings() ) {
sub common_readings {
my $self = shift;
my @common = grep { $_->is_common } $self->readings();
- return @common;
+ return sort { _cmp_position( $a->position, $b->position ) } @common;
}
# Calculate the relative positions of nodes in the graph, if they
# is a hash per witness, whose key is the word node and whose
# value is its position in the text. Common nodes are always N,1
# so have identical positions in each text.
- $DB::single = 1;
my $node_pos = {};
foreach my $wit ( @{$self->tradition->witnesses} ) {
sub _cmp_position {
my( $a, $b ) = @_;
- my @pos_a = split(/,/, $a );
- my @pos_b = split(/,/, $b );
-
- my $big_cmp = $pos_a[0] <=> $pos_b[0];
- return $big_cmp if $big_cmp;
- # else
- return $pos_a[1] <=> $pos_b[1];
+ if ( $a && $b ) {
+ my @pos_a = split(/,/, $a );
+ my @pos_b = split(/,/, $b );
+
+ my $big_cmp = $pos_a[0] <=> $pos_b[0];
+ return $big_cmp if $big_cmp;
+ # else
+ return $pos_a[1] <=> $pos_b[1];
+ } elsif ( $b ) { # a is undefined
+ return -1;
+ } elsif ( $a ) { # b is undefined
+ return 1;
+ }
+ return 0; # they are both undefined
}
sub all_positions {
my $self = shift;
my %positions = ();
map { $positions{$_->position} = 1 } $self->readings;
- return keys( %positions );
+ my @answer = sort { _cmp_position( $a, $b ) } keys( %positions );
+ return @answer;
}
sub readings_at_position {
# toggled off.
my $positions_off = {};
map { $positions_off->{ $_->position } = $_->name } @toggled_off_nodes;
-
-
+
# Now for each position, we have to see if a node is on, and we
# have to see if a node has been turned off.
my @answer;
# Push the state that is there. Arbitrarily use the first node
# at that position.
my @pos_nodes = $self->readings_at_position( $pos );
- push( @answer, [ $pos_nodes[0], $self->lemmata->{$pos} ] );
+ push( @answer, [ $pos_nodes[0]->name, $self->lemmata->{$pos} ] );
}
}
return @answer;
}
+=item B<toggle_reading>
+
+my @readings_delemmatized = $graph->toggle_reading( $reading_name );
+
+Takes a reading node name, and either lemmatizes or de-lemmatizes
+it. Returns a list of all readings that are de-lemmatized as a result
+of the toggle.
+
+=cut
+
+sub toggle_reading {
+ my( $self, $rname ) = @_;
+
+ return unless $rname;
+ my $reading = $self->reading( $rname );
+ if( !$reading || $reading->is_common() ) {
+ # Do nothing, it's a common node.
+ return;
+ }
+
+ my $pos = $reading->position;
+ my $old_state = $self->lemmata->{$pos};
+ my @readings_off;
+ if( $old_state && $old_state eq $rname ) {
+ # Turn off the node. We turn on no others by default.
+ push( @readings_off, $reading );
+ } else {
+ # Turn on the node.
+ $self->lemmata->{$pos} = $rname;
+ # Any other 'on' readings in the same position should be off.
+ push( @readings_off, $self->same_position_as( $reading ) );
+ # Any node that is an identical transposed one should be off.
+ push( @readings_off, $reading->identical_readings );
+ }
+ @readings_off = unique_list( @readings_off );
+
+ # Turn off the readings that need to be turned off.
+ my @readings_delemmatized;
+ foreach my $n ( @readings_off ) {
+ my $state = $self->lemmata->{$n->position};
+ if( $state && $state eq $n->name ) {
+ # this reading is still on, so turn it off
+ push( @readings_delemmatized, $n );
+ my $new_state = undef;
+ if( $n eq $reading ) {
+ # This is the reading that was clicked, so if there are no
+ # other readings there, turn off the position. In all other
+ # cases, restore the ellipsis.
+ my @other_n = $self->same_position_as( $n );
+ $new_state = 0 unless @other_n;
+ }
+ $self->lemmata->{$n->position} = $new_state;
+ } elsif( $old_state && $old_state eq $n->name ) {
+ # another reading has already been turned on here
+ push( @readings_delemmatized, $n );
+ } # else some other reading was on anyway, so pass.
+ }
+ return @readings_delemmatized;
+}
+
+sub same_position_as {
+ my( $self, $reading ) = @_;
+ my $pos = $reading->position;
+ my @same = grep { $_ ne $reading } $self->readings_at_position( $reading->position );
+ return @same;
+}
-
# Return the string that joins together a list of witnesses for
# display on a single path.
sub path_label {
}
sub witnesses_of_label {
- my $self = shift;
+ my( $self, $label ) = @_;
my $regex = $self->wit_list_separator;
- return split( /^\Q$regex\E$/, @_ );
+ my @answer = split( /\Q$regex\E/, $label );
+ return @answer;
}
+sub unique_list {
+ my( @list ) = @_;
+ my %h;
+ map { $h{$_->name} = $_ } @list;
+ return values( %h );
+}
+
no Moose;
__PACKAGE__->meta->make_immutable;