wiki-archive/twiki/lib/TWiki/Configure/UIs/Root.pm

55 lines
1.5 KiB
Perl

#
# TWiki Enterprise Collaboration Platform, http://TWiki.org/
#
# Copyright (C) 2000-2006 TWiki Contributors.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version. For
# more details read LICENSE in the root of this distribution.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
#
# As per the GPL, removal of this notice is prohibited.
#
package TWiki::Configure::UIs::Root;
use base 'TWiki::Configure::UIs::Section';
# Visit the nodes in a tree of configuration items, and generate
# their UIs.
sub ui {
my ($this, $tree, $valuer) = @_;
$this->{valuer} = $valuer;
$this->{output} = '';
@{$this->{stack}} = ();
$tree->visit($this);
return $this->{output};
}
sub startVisit {
my ($this, $item) = @_;
push(@{$this->{stack}}, $this->{output});
$this->{output} = '';
return 1;
}
sub endVisit {
my ($this, $item) = @_;
my $class = ref($item);
$class =~ s/.*:://;
my $ui = TWiki::Configure::UI::loadUI($class, $item);
die "Fatal Error - Could not load UI for $class - $@" unless $ui;
$this->{output} =
pop(@{$this->{stack}}).
$ui->open_html($item, $this->{valuer}).
$this->{output}.
$ui->close_html($item, $this->{valuer});
return 1;
}
1;