diff options
Diffstat (limited to 'Master/tlpkg/tlperl/lib/auto/Tk/Listbox/SPLICE.al')
-rw-r--r-- | Master/tlpkg/tlperl/lib/auto/Tk/Listbox/SPLICE.al | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/Master/tlpkg/tlperl/lib/auto/Tk/Listbox/SPLICE.al b/Master/tlpkg/tlperl/lib/auto/Tk/Listbox/SPLICE.al new file mode 100644 index 00000000000..aeddea8196a --- /dev/null +++ b/Master/tlpkg/tlperl/lib/auto/Tk/Listbox/SPLICE.al @@ -0,0 +1,84 @@ +# NOTE: Derived from ..\blib\lib\Tk\Listbox.pm. +# Changes made here will be lost when autosplit is run again. +# See AutoSplit.pm. +package Tk::Listbox; + +#line 374 "..\blib\lib\Tk\Listbox.pm (autosplit into ..\blib\lib\auto\Tk\Listbox\SPLICE.al)" +# SPLICE +# ------ +# Performs equivalent of splice on the listbox contents +sub SPLICE { + my $class = shift; + + my $self = ${$class->{OBJECT}}; + + # check for arguments + my @elements; + if ( scalar(@_) == 0 ) { + # none + @elements = $self->get(0,'end'); + $self->delete(0,'end'); + return wantarray ? @elements : $elements[scalar(@elements)-1];; + + } elsif ( scalar(@_) == 1 ) { + # $offset + my ( $offset ) = @_; + if ( $offset < 0 ) { + my $start = $self->size() + $offset; + if ( $start > 0 ) { + @elements = $self->get($start,'end'); + $self->delete($start,'end'); + return wantarray ? @elements : $elements[scalar(@elements)-1]; + } else { + return undef; + } + } else { + @elements = $self->get($offset,'end'); + $self->delete($offset,'end'); + return wantarray ? @elements : $elements[scalar(@elements)-1]; + } + + } elsif ( scalar(@_) == 2 ) { + # $offset and $length + my ( $offset, $length ) = @_; + if ( $offset < 0 ) { + my $start = $self->size() + $offset; + my $end = $self->size() + $offset + $length - 1; + if ( $start > 0 ) { + @elements = $self->get($start,$end); + $self->delete($start,$end); + return wantarray ? @elements : $elements[scalar(@elements)-1]; + } else { + return undef; + } + } else { + @elements = $self->get($offset,$offset+$length-1); + $self->delete($offset,$offset+$length-1); + return wantarray ? @elements : $elements[scalar(@elements)-1]; + } + + } else { + # $offset, $length and @list + my ( $offset, $length, @list ) = @_; + if ( $offset < 0 ) { + my $start = $self->size() + $offset; + my $end = $self->size() + $offset + $length - 1; + if ( $start > 0 ) { + @elements = $self->get($start,$end); + $self->delete($start,$end); + $self->insert($start,@list); + return wantarray ? @elements : $elements[scalar(@elements)-1]; + } else { + return undef; + } + } else { + @elements = $self->get($offset,$offset+$length-1); + $self->delete($offset,$offset+$length-1); + $self->insert($offset,@list); + return wantarray ? @elements : $elements[scalar(@elements)-1]; + } + } +} + +# end of Tk::Listbox::SPLICE +1; |