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* new logoFlorent Villard2005-08-021-0/+0
* new mandriva imageFlorent Villard2005-06-291-0/+0
* updated boot imagesFlorent Villard2005-03-231-0/+0
* new boot imageFlorent Villard2005-03-091-0/+0
* Test image for 10.2 betaFlorent Villard2005-01-211-0/+0
* 10.1 final imagePascal Rigaux2004-09-271-0/+0
* cleaner image using:Pascal Rigaux2004-09-201-0/+0
* image generated using draksplash2+ImageMagick with treedepth=6Pascal Rigaux2004-09-161-0/+0
* reindexed isolinux-graphic.bmp and update parametersFlorent Villard2004-09-161-0/+0
* New Community 10.1 logoFlorent Villard2004-09-061-0/+0
* new test logoFlorent Villard2004-08-021-0/+0
* new syslinyx logoFlorent Villard2004-02-131-0/+0
* new install boot image for 10.0 betaFlorent Villard2004-01-201-0/+0
* updated pictures of 9.2 (style fixes according lilo one)Francois Pons2003-09-031-0/+0
* 9.2 pictures from LNFrancois Pons2003-08-211-0/+0
* newer picture with 128 color made.Francois Pons2003-02-051-0/+0
* newer image for 9.1Francois Pons2003-01-301-0/+0
* picture for isolinux in graphic mode (start with 9.0 beta1).Francois Pons2002-07-181-0/+0
0802 2007-10-04 13:36:01Z tv $ use strict; use c; use common; =head1 NAME wizards - a layer on top of interactive that ensure proper stepping =head1 SYNOPSIS use wizards; use interactive; my $wiz = wizards->new({ 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 (it overrides "next" field) end => , # is it the last step ? default => , # default answer for yes/no or when data does not conatains any fields 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) interactive_help_id => , # help id (for installer only) 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 $in = 'interactive'->vnew; $wiz->process($in); =head1 DESCRIPTION wizards is a layer built on top of the interactive layer that do proper backward/forward stepping for us. A step is made up of a name/description, a list of interactive fields (see interactive documentation), a "complete", "pre" and "post" callbacks, an help id, ... The "pre" callback is run first. Its only argument is the actual step hash. Then, if the "name" fiels is a code reference, that callback is run and its actual result is used as the description of the step. At this stage, the interactive layer is used to display the actual step. The "post" callback is only run if the user has steped forward. Alternatively, you can call safe_process() rather than process(). safe_process() will handle for you the "wizcancel" exception while running the wizard. Actually, it should be used everywhere but where the wizard is not the main path (eg "mail alert wizard" in logdrake, ...), ie when you may need to do extra exception managment such as destroying the wizard window and the like. =cut sub new { my ($class, $o) = @_; bless $o, $class; } sub check_rpm { my ($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", $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 { $in->exit } } } # sync me with interactive::ask_from_normalize() if needed: my %default_callback = (complete => sub { 0 }); sub process { my ($o, $in) = @_; 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, $o->{needed_rpm}) if ref($o->{needed_rpm}); if (defined $o->{init}) { my ($res, $msg) = &{$o->{init}}; if (!$res) { $in->ask_okcancel(N("Error"), $msg); die "wizard failed" if !$::testing; } } my @steps; # steps stack # initial step: my $next = 'welcome'; my $page = $o->{pages}{welcome}; while ($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 $page->{pre}($page); die qq(inexistant "$next" wizard step) if is_empty_hash_ref($page); # FIXME or the displaying fails my $data = defined $page->{data} ? (ref($page->{data}) eq 'CODE' ? $page->{data}->() : $page->{data}) : []; my $data2; foreach my $d (@$data) { $d->{val} = ${$d->{val_ref}} if $d->{val_ref}; $d->{list} = $d->{list_ref} if $d->{list_ref}; #$d->{val} = ref($d->{val}) eq 'CODE' ? $d->{val}->() : $d->{val}; if ($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 $name = ref($page->{name}) ? $page->{name}->() : $page->{name}; my %yesno = (yes => N("Yes"), no => N("No")); my $yes = ref($page->{default}) eq 'CODE' ? $page->{default}->() : $page->{default}; $data2 = [ { val => \$yes, type => 'list', list => [ keys %yesno ], format => sub { $yesno{$_[0]} }, gtk => { use_boxradio => 1 } } ] if $page->{type} eq "yesorno"; my $a; if (ref $data2 eq 'ARRAY' && @$data2) { $a = $in->ask_from_({ title => $o->{name}, messages => $name, (map { $_ => $page->{$_} || $default_callback{$_} } qw(complete)), if_($page->{interactive_help_id}, interactive_help_id => $page->{interactive_help_id}), }, $data2); } else { $a = $in->ask_okcancel($o->{name}, $name, $yes || 'ok'); } # interactive->ask_yesorno does not support stepping forward or backward: $a = $yes if $a && $page->{type} eq "yesorno"; if ($a) { # step forward: push @steps, $next if !$page->{ignore} && $steps[-1] ne $next; my $current = $next; $next = defined $page->{post} ? $page->{post}($page->{type} eq "yesorno" ? $yes eq 'yes' : $a) : 0; return if $page->{end}; if (!$next) { if (!defined $o->{pages}{$next}) { $next = $page->{next}; } else { die qq(the "$next" page (from previous wizard step) is undefined) if !$next; } } die qq(Step "$current": inexistant "$next" page) if !exists $o->{pages}{$next}; } else { # step back: $next = pop @steps; } $page = $o->{pages}{$next}; } } sub safe_process { my ($o, $in) = @_; eval { $o->process($in) }; my $err = $@; if ($err =~ /wizcancel/) { $in->exit(0); } else { die $err if $err; } } 1;