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#
# This file is part of Config-Model-TkUI
#
# This software is Copyright (c) 2008-2021 by Dominique Dumont.
#
# This is free software, licensed under:
#
# The GNU Lesser General Public License, Version 2.1, February 1999
#
package Config::Model::Tk::NodeViewer 1.379;
use strict;
use warnings;
use Carp;
use 5.10.1;
use base qw/Tk::Frame Config::Model::Tk::AnyViewer/;
use subs qw/menu_struct/;
Construct Tk::Widget 'ConfigModelNodeViewer';
my @fbe1 = qw/-fill both -expand 1/;
my @fxe1 = qw/-fill x -expand 1/;
my @fx = qw/-fill x /;
sub ClassInit {
my ( $cw, $args ) = @_;
# ClassInit is often used to define bindings and/or other
# resources shared by all instances, e.g., images.
# cw->Advertise(name=>$widget);
}
sub Populate {
my ( $cw, $args ) = @_;
my $node = $cw->{node} = delete $args->{-item}
|| die "NodeViewer: no -item, got ", keys %$args;
my $path = delete $args->{-path};
my $cme_font = delete $args->{-font};
$cw->add_header( View => $node )->pack(@fx);
my $inst = $node->instance;
my $elt_frame = $cw->Frame(qw/-relief flat/)->pack(@fbe1);
$elt_frame->Label( -text => $node->composite_name_short . ' node elements' )->pack();
my $hl = $elt_frame->Scrolled(
'HList',
-scrollbars => 'osow',
-columns => 3,
-header => 1,
-height => 8,
)->pack(@fbe1);
$hl->headerCreate( 0, -text => 'name' );
$hl->headerCreate( 1, -text => 'type' );
$hl->headerCreate( 2, -text => 'value' );
$cw->{hlist} = $hl;
$cw->reload;
# add adjuster. Buggy behavior on destroy...
#require Tk::Adjuster;
#$cw->{adjust} = $cw -> Adjuster();
#$cw->{adjust}->packAfter($hl, -side => 'top') ;
$cw->add_annotation($node)->pack(@fx);
if ( $node->parent ) {
$cw->add_summary($node)->pack(@fx);
$cw->add_description($node)->pack(@fbe1);
}
else {
$cw->add_help( class => $node->get_help )->pack(@fx);
}
$cw->add_info_button()->pack( @fxe1, -side => 'left' );
$cw->add_editor_button($path)->pack( @fxe1, -side => 'right' );
$cw->ConfigSpecs(-font => [['SELF','DESCENDANTS'], 'font','Font', $cme_font ],);
$cw->SUPER::Populate($args);
}
#sub DESTROY {
# my $cw = shift ;
# $cw->{adjust}->packForget(1);
#}
sub reload {
my $cw = shift;
my $node = $cw->{node};
my $hl = $cw->{hlist};
my %old_elt = %{ $cw->{elt_path} || {} };
foreach my $elt_name ( $node->get_element_name() ) {
my $hl_name = $elt_name;
$hl_name =~ s/\./__/g; # make elt name compatible with Tk::HList
my $type = $node->element_type($elt_name);
unless ( delete $old_elt{$hl_name} ) {
# create item
$hl->add($hl_name);
$cw->{elt_path}{$hl_name} = 1;
$hl->itemCreate( $hl_name, 0, -text => $elt_name );
$hl->itemCreate( $hl_name, 1, -text => $type );
$hl->itemCreate(
$hl_name, 2,
-itemtype => 'imagetext',
-text => '',
-showimage => 0,
-image => $Config::Model::TkUI::warn_img
);
}
if ( $type eq 'leaf' ) {
# update displayed value
my $v = eval { $node->fetch_element_value($elt_name) };
if ($@) {
$hl->itemConfigure(
$hl_name, 2,
-showtext => 0,
-showimage => 1,
);
}
elsif ( defined $v ) {
substr( $v, 15 ) = '...' if length($v) > 15;
$hl->itemConfigure(
$hl_name, 2,
-showtext => 1,
-showimage => 0,
-text => $v
);
}
}
}
# destroy leftover widgets (may occur with warp mechanism)
map { $hl->delete( entry => $_ ); } keys %old_elt;
}
sub cme_object {
my $cw = shift;
return $cw->{node};
}
1;
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