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package Wx::Perl::DataWalker; |
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24583
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use 5.008001; |
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use strict; |
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use warnings; |
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our $VERSION = '0.02'; |
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our @ISA = qw(Wx::Frame); |
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use Scalar::Util qw(reftype blessed refaddr); |
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use Devel::Size (); |
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use Wx ':everything'; |
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use Wx::Event ':everything'; |
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require Wx::Perl::DataWalker::CurrentLevel; |
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use Class::XSAccessor |
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getters => { |
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stack => 'stack', |
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}, |
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accessors => { |
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current_head => 'current_head', |
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}; |
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sub new { |
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my $class = shift; |
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my $config = shift; |
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my $self = $class->SUPER::new(@_); |
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$self->{global_head} = $config->{data} or die "Invalid data"; |
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my $rtype = reftype($self->{global_head}); |
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die "top-level display of CODE refs not supported!" if defined $rtype and $rtype eq 'CODE'; |
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$self->{show_size} = $config->{show_size} || 0; |
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$self->{show_recur_size} = $config->{show_recur_size} || 0; |
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my $hsizer = Wx::BoxSizer->new(Wx::wxHORIZONTAL); |
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# tree view here... |
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# $self->{current_level2} = Wx::Button->new( |
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# $self, -1, "FOOO", |
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# Wx::wxDefaultPosition, |
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# Wx::wxDefaultSize, |
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# ); |
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# $hsizer->Add($self->{current_level2}, Wx::wxEXPAND, Wx::wxEXPAND, Wx::wxALL, 2); |
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my $buttonsizer = Wx::BoxSizer->new(Wx::wxHORIZONTAL); |
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$self->{back_button} = Wx::Button->new( $self, -1, "<--" ); |
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$self->{reset_button} = Wx::Button->new( $self, -1, "Reset" ); |
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EVT_BUTTON( $self, $self->{back_button}, sub { $self->go_back(); } ); |
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EVT_BUTTON( $self, $self->{reset_button}, sub { $self->reset_head(); } ); |
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$buttonsizer->Add($self->{back_button}, 0, Wx::wxALL|Wx::wxALIGN_CENTER_VERTICAL, 2); |
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$buttonsizer->Add($self->{reset_button}, 0, Wx::wxALL|Wx::wxALIGN_CENTER_VERTICAL, 2); |
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# show-size radio boxes |
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$self->{size_radio_box} = Wx::RadioBox->new( |
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$self, -1, "Show approx. size", |
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Wx::wxDefaultPosition, Wx::wxDefaultSize, |
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[qw(No Yes Total)], |
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Wx::wxRA_SPECIFY_COLS, |
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); |
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EVT_RADIOBOX( |
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$self, $self->{size_radio_box}, sub { |
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my $flag = $_[1]->GetInt(); |
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$self->{show_size} = $flag ? 1 : 0; |
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$self->{show_recur_size} = $flag==2 ? 1 : 0; |
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$self->update_size(); |
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} |
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); |
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$buttonsizer->Add($self->{size_radio_box}, 0, Wx::wxLEFT|Wx::wxALIGN_CENTER_VERTICAL|Wx::wxALIGN_RIGHT, 10); |
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my $vsizer = Wx::BoxSizer->new(Wx::wxVERTICAL); |
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$vsizer->Add($buttonsizer, 0, Wx::wxEXPAND|Wx::wxALL, 2); |
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# the current level in the tree... |
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my $curl = $self->{current_level} = Wx::Perl::DataWalker::CurrentLevel->new( $self, -1, ); |
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$self->update_size(); |
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$vsizer->Add($self->{current_level}, Wx::wxEXPAND, Wx::wxEXPAND|Wx::wxALL, 2); |
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$hsizer->Add($vsizer, Wx::wxEXPAND, Wx::wxEXPAND|Wx::wxALL, 2); |
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$self->SetSizer( $hsizer ); |
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$hsizer->SetSizeHints( $self ); |
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$self->reset_head(); |
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return $self; |
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} |
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sub update_size { |
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my $self = shift; |
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my $curl = $self->{current_level}; |
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$curl->show_size($self->{show_size}); |
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$curl->show_recur_size($self->{show_recur_size}); |
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$curl->refresh(); |
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} |
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sub go_down { |
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my $self = shift; |
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my $where = shift; |
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my $data = $self->current_head; |
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my $target; |
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my $reftype = reftype($data); |
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if (!$reftype) { |
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return(); |
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} |
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elsif ($reftype eq 'SCALAR') { |
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$target = $$data; |
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} |
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elsif ($reftype eq 'HASH') { |
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$target = $data->{$where}; |
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} |
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elsif ($reftype eq 'ARRAY') { |
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$target = $data->[$where]; |
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} |
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elsif ($reftype eq 'REF') { |
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$target = $$data; |
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} |
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elsif ($reftype eq 'GLOB') { |
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$target = *{$data}{$where}; |
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} |
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else { |
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return(); |
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} |
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my $treftype = reftype($target); |
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if (not $treftype and reftype(\$target) eq 'GLOB') { |
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# work around my sucky understanding of GLOBS. Damn you, GLOB, damn you! |
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# $self->current_head(\$target); |
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# push @{$self->stack}, \$target; |
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# $self->{current_level}->set_data(\$target); |
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# return(1); |
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# with kudos to Yves! |
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no strict 'refs'; |
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$target = \*{"$target"}; |
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$treftype = reftype($target); |
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} |
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return() if not $treftype or $treftype eq 'CODE'; |
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# avoid direct recursion into self |
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return() if $treftype eq $reftype and refaddr($target) eq refaddr($data); |
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$self->current_head($target); |
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push @{$self->stack}, $target; |
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$self->{current_level}->set_data($target); |
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return(1); |
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} |
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sub go_back { |
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my $self = shift; |
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my $stack = $self->stack; |
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153
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return() if @$stack == 1; |
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155
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pop(@$stack); |
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$self->current_head($stack->[-1]); |
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$self->{current_level}->set_data($stack->[-1]); |
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159
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return(1); |
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} |
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162
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163
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sub reset_head { |
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my $self = shift; |
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$self->{stack} = [$self->{global_head}]; |
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$self->current_head($self->{global_head}); |
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$self->{current_level}->set_data($self->current_head); |
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} |
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170
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1; |
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__END__ |