- Big Move 1: interactive::* hierarchy

1 files changed, 171 insertions, 0 deletions

diff --git a/perl-install/interactive/stdio.pm b/perl-install/interactive/stdio.pm
new file mode 100644
index 000000000..126e1d897
--- /dev/null
+++ b/perl-install/interactive/stdio.pm
@@ -0,0 +1,171 @@
+package interactivew::stdio; # $Id$
+
+use diagnostics;
+use strict;
+use vars qw(@ISA);
+
+@ISA = qw(interactive);
+
+use interactive;
+use common;
+
+$| = 1;
+
+sub readln {
+    my $l = <STDIN>;
+    chomp $l;
+    $l;
+}
+
+sub check_it {
+    my ($i, $n) = @_;
+    $i =~ /^\s*\d+\s*$/ && 1 <= $i && $i <= $n
+}
+
+sub good_choice {
+    my ($def_s, $max) = @_;
+    my $i;
+    do {
+	defined $i and print _("Bad choice, try again\n");
+	print _("Your choice? (default %s) ", $def_s);
+	$i = readln();
+    } until (!$i || check_it($i, $max));
+    $i;
+}
+
+sub ask_fromW {
+    my ($o, $common, $l, $l2) = @_;
+
+ask_fromW_begin:
+
+    my $already_entries = 0;
+    my $predo_widget = sub {
+	my ($e) = @_;
+
+	$e->{type} = 'list' if $e->{type} =~ /(icon|tree)list/;
+	#- combo doesn't exist, fallback to a sensible default
+	$e->{type} = $e->{not_edit} ? 'list' : 'entry' if $e->{type} eq 'combo';
+
+	if ($e->{type} eq 'entry') {
+	    my $t = "\t$e->{label} $e->{text}\n";
+	    if ($already_entries) {
+		length($already_entries) > 1 and print _("Entries you'll have to fill:\n%s", $already_entries);
+		$already_entries = 1;
+		print $t;
+	    } else {
+		$already_entries = $t;
+	    }
+	}
+    };
+
+    my @labels = ();
+    my $format_label = sub { my ($e) = @_; return "`${$e->{val}}' $e->{label} $e->{text}\n"; };
+    my $do_widget = sub {
+	my ($e, $ind) = @_;
+
+	if ($e->{type} eq 'bool') {
+	    print "$e->{text} $e->{label}\n";
+	    print _("Your choice? (0/1, default `%s') ", ${$e->{val}} || '0');
+	    my $i = readln();
+	    if ($i ne '') {
+		to_bool($i) != to_bool(${$e->{val}}) and $common->{callbacks}{changed}->($ind);
+		${$e->{val}} = $i;
+	    }
+	} elsif ($e->{type} =~ /list/) {
+	    ($e->{text} || $e->{label}) and print "=> $e->{label} $e->{text}\n";
+	    my $n = 0; my $size = 0; my $def_n = 0;
+	    foreach (@{$e->{list}}) {
+		$n++;
+		my $t = "$n: " . may_apply($e->{format}, $_) . "\t";
+		if ($size + length($t) >= 80) {
+		    print "\n";
+		    $size = 0;
+		}
+		print $t;
+		$size += length($t);
+		${$e->{val}} eq $_ and $def_n = $n;
+	    }
+	    print "\n";
+	    my $i = good_choice(may_apply($e->{format}, ${$e->{val}}), $n);
+	    print "Setting to <", $i ? ${$e->{list}}[$i-1] : ${$e->{val}}, ">\n";
+	    $i and ${$e->{val}} = ${$e->{list}}[$i-1], $common->{callbacks}{changed}->($ind);
+	} elsif ($e->{type} eq 'button') {
+	    print _("Button `%s': %s", $e->{label}, may_apply($e->{format}, ${$e->{val}})), " $e->{text}\n";
+	    print _("Do you want to click on this button?");
+	    my $i = readln();
+	    ($i && $i !~ /^n/i) and $e->{clicked_may_quit}(), $common->{callbacks}{changed}->($ind);
+	} elsif ($e->{type} eq 'label') {
+	    my $t = $format_label->($e);
+	    push @labels, $t;
+	    print $t;
+	} elsif ($e->{type} eq 'entry') {
+	    print "$e->{label} $e->{text}\n";
+	    print _("Your choice? (default `%s'%s) ", ${$e->{val}}, ${$e->{val}} ne '' ? _(" enter `void' for void entry") : '');
+	    my $i = readln();
+	    ${$e->{val}} = $i || ${$e->{val}};
+	    ${$e->{val}} = '' if ${$e->{val}} eq 'void';
+	    print "Setting to <${$e->{val}}>\n";
+	    $i and $common->{callbacks}{changed}->($ind);
+	} else {
+	    print "UNSUPPORTED WIDGET TYPE (type <$e->{type}> label <$e->{label}> text <$e->{text}> val <${$e->{val}}>\n";
+	}
+    };
+
+    print "* ";
+    $common->{title} and print "$common->{title}\n";
+    print map { "$_\n" } @{$common->{messages}};
+
+    $predo_widget->($_) foreach (@$l);
+    if (listlength(@$l) > 30) {
+	my $ll = listlength(@$l);
+	print _("=> There are many things to choose from (%s).\n", $ll);
+ask_fromW_handle_verylonglist:
+	print _(
+"Please choose the first number of the 10-range you wish to edit,
+or just hit Enter to proceed.
+Your choice? ");
+	my $i = readln();
+	if (check_it($i, $ll)) {
+	    map_index { $do_widget->($_, $::i) } grep_index { $::i >= $i-1 && $::i < $i+9 } @$l;
+	    goto ask_fromW_handle_verylonglist;
+	}
+    } else {
+	map_index { $do_widget->($_, $::i) } @$l;
+    }
+
+    my $lab;
+    map_index { $labels[$::i] && (($lab = $format_label->($_)) ne $labels[$::i]) and print _("=> Notice, a label changed:\n%s", $lab); }
+      grep { $_->{type} eq 'label' } @$l;
+
+    my $i;
+    if (listlength(@$l) != 1 || $common->{ok} ne _("Ok") || $common->{cancel} ne _("Cancel")) {
+	print "[1] ", $common->{ok} || _("Ok");
+	$common->{cancel} and print "  [2] $common->{cancel}";
+	@$l and print "  [9] ", _("Re-submit");
+	print "\n";
+	do {
+	    defined $i and print _("Bad choice, try again\n");
+	    print _("Your choice? (default %s) ", $common->{focus_cancel} ? $common->{cancel} : $common->{ok});
+	    $i = readln() || ($common->{focus_cancel} ? "2" : "1");
+	} until (check_it($i, 9));
+	$i == 9 and goto ask_fromW_begin;
+    } else {
+	$i = 1;
+    }
+    my ($callback_error) = $common->{callbacks}{$i == 2 ? 'canceled' : 'complete'}->();
+    $callback_error and goto ask_fromW_begin;
+    return !($i == 2);
+}
+
+sub wait_messageW {
+    my ($o, $title, $message) = @_;
+    print join "\n", @$message;
+}
+sub wait_message_nextW { 
+    my $m = join "\n", @{$_[1]};
+    print "\r$m", ' ' x (60 - length $m);
+}
+sub wait_message_endW { print "\nDone\n" }
+
+1;
+