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authorThierry Vignaud <tvignaud@mandriva.org>2003-12-16 14:23:56 +0000
committerThierry Vignaud <tvignaud@mandriva.org>2003-12-16 14:23:56 +0000
commit8ffd39fcffe3826482e1af17c2cb31f2aa58d7c4 (patch)
treeec968cd9ed1643da5ce4236b868be81b02705e40 /perl-install
parent7099becffe83dc880aca55a8f952d3442b5f7d40 (diff)
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- consolidate code from drakwizard for reussage by drakxtools wizard:
add a wizard layer on top of interactive that do proper backward/forward stepping for us - add documentation - remove useless fixed_{var|list}
Diffstat (limited to 'perl-install')
-rw-r--r--perl-install/wizards.pm137
1 files changed, 137 insertions, 0 deletions
diff --git a/perl-install/wizards.pm b/perl-install/wizards.pm
new file mode 100644
index 000000000..7442074b1
--- /dev/null
+++ b/perl-install/wizards.pm
@@ -0,0 +1,137 @@
+package wizards;
+# $Id$
+
+use strict;
+use c;
+use common;
+
+=head1 NAME
+
+wizards - a layer on top of interactive that ensure proper stepping
+
+=head1 SYNOPSIS
+
+ use wizards
+ # global wizard options:
+
+ use wizards;
+ use interactive;
+ my $wiz = {
+
+ allow_user => "", # do we need root
+ defaultimage => "", # wizard icon
+ init => sub { }, # code run on wizard startup
+ name => "logdrake", # wizard title
+ needed_rpm => "packages list", # packages to install before running the wizard
+ pages => {
+ {
+ name => "welcome", # first step
+ next => "step1", # which step should be displayed after the current one
+ pre => sub { }, # code executing when stepping backward
+ post => sub { }, # code executing when stepping forward;
+ # returned value is next step name (but is overriden by "next" field)
+ end => , # is it the last step ?
+ no_cancel => , # do not display the cancel button (eg for first step)
+ no_back => , # do not display the back button (eg for first step)
+ ignore => , # do not stack this step for back stepping (eg for warnings and the like steps)
+ data => [], # the actual data passed to interactive
+ },
+ {
+ name => "step1",
+ data => [
+ {
+ # usual interactive fields:
+ label => N("Banner:"),
+ val => \$o->{var}{wiz_banner}
+ list => [] ,
+ # wizard layer variables:
+ boolean_list => "", # provide default status for booleans list
+ },
+ ],
+ },
+ },
+ };
+
+ my $w => wizards->new
+ $w->process($wiz, $in);
+
+=head1 DESCRIPTION
+
+wizards is a layer built on top of the interactive layer that do proper
+backward/forward stepping for us.
+
+=cut
+
+
+sub new { bless {}, $_[0] }
+
+
+sub check_rpm {
+ my ($in, $rpms) = @_;
+ foreach my $rpm (@$rpms) {
+ next if !$in->do_pkgs->is_installed($rpm);
+ if ($in->ask_okcancel(N("Error"), N("%s is not installed\nClick \"Next\" to install or \"Cancel\" to quit", c::from_utf8($rpm)))) {
+ $::testing and next;
+ if (!$in->do_pkgs->install($rpm)) {
+ local $::Wizard_finished = 1;
+ $in->ask_okcancel(N("Error"), N("Installation failed"));
+ $in->exit;
+ }
+ } else { $in->exit }
+ }
+}
+
+
+sub process {
+ my ($w, $o, $in) = @_;
+ my $page = $o->{pages}{welcome};
+ local $::isWizard = 1;
+ local $::Wizard_title = $o->{name} || $::Wizard_title;
+ local $::Wizard_pix_up = $o->{defaultimage} || $::Wizard_pix_up;
+ #require_root_capability() if $> && !$o->{allow_user} && !$::testing;
+ check_rpm($in, $o->{needed_rpm}) if $o->{needed_rpm};
+ if (defined $o->{init}) {
+ my ($res, $msg) = &{$o->{init}};
+ if (!$res) {
+ $in->ask_okcancel(N("Error"), $msg);
+ die "wizard failled" if !$::testing
+ }
+ }
+
+ my $next = 'welcome'; # initial step
+ my @steps; # steps stack
+ while ($next) {
+ local $::Wizard_no_previous = $page->{no_back};
+ local $::Wizard_no_cancel = $page->{no_cancel} || $page->{end};
+ local $::Wizard_finished = $page->{end};
+ defined $page->{pre} and $page->{pre}();
+ # FIXME or the displaying fails
+ my $data = defined $page->{data} ? ref $page->{data} ? $page->{data} : [ { label => '' } ] : [ { label => '' } ];
+ my $data2;
+ foreach my $d (@$data) {
+ if ($d->{boolean_list}) {
+ my $i;
+ foreach (@{$d->{boolean_list}}) {
+ push @$data2, { text => $_, type => 'bool', val => \${$d->{val}}->[$i], disabled => $d->{disabled} };
+ $i++
+ }
+ } else {
+ push @$data2, $d
+ }
+ }
+ my $a = $in->ask_from($o->{name}, $page->{name}, $data2, complete => $page->{complete} || sub { 0 });
+ if ($a) {
+ # step forward:
+ push @steps, $next if !$page->{ignore} && $steps[-1] ne $next;
+ $next = defined $page->{post} ? $page->{post}() : 0;
+ defined $o->{pages}{$next} or $next = $page->{next};
+ } else {
+ # step back:
+ $next = pop @steps
+ }
+ $next or return;
+ $page = $o->{pages}{$next}
+ }
+}
+
+1;