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|
package interactive; # $Id: interactive.pm 247292 2008-10-01 15:23:37Z tv $
use diagnostics;
use strict;
#-######################################################################################
#- misc imports
#-######################################################################################
use common;
use do_pkgs;
#- minimal example using interactive:
#
#- > use lib qw(/usr/lib/libDrakX);
#- > use interactive;
#- > my $in = interactive->vnew;
#- > $in->ask_okcancel('title', 'question');
#- > $in->exit;
#- ask_from_ takes global options ($common):
#- title => window title
#- messages => message displayed in the upper part of the window
#- ok => force the name of the "Ok"/"Next" button
#- cancel => force the name of the "Cancel"/"Previous" button
#- focus_cancel => force focus on the "Cancel" button
#- focus_first => (deprecated) force focus on the first entry
#- ok_disabled => function returning wether {ok} should be disabled (grayed)
#- validate => function called when {ok} is pressed. If it returns false, the first entry is focused, otherwise it quits
#- advanced => (deprecated) function called when the "advanced" expander is toggled
#- advanced_messages => (deprecated) message displayed when "Advanced" is pressed
#- advanced_label => (deprecated) force the name of the "Advanced" button
#- advanced_label_close => (deprecated) force the name of the "Basic" button
#- advanced_state => (deprecated) if set to 1, force the "Advanced" part of the dialog to be opened initially
#- advanced_title => (deprecated) title of the advanced item popup dialog (else reusing main title)
#- callbacks => (deprecated) functions called when something happen: complete advanced ok_disabled
#- ask_from_ takes a list of entries with fields:
#- val => reference to the value
#- label => description
#- title => a boolean: whether the label should be displayed as a title (see GNOME's HIG)
#- icon => icon to put before the description
#- help => tooltip
#- advanced => (deprecated) wether it is shown in by default or only in advanced mode
#- focus_out => function called when the entry is focused out
#- changed => function called when the entry is modified
#- validate => function called when "Ok" is pressed. If it returns false, this entry is focused, otherwise it quits
#- disabled => function returning wether it should be disabled (grayed)
#- focus => function returning wether it should be focused
#- alignment => preferred alignment
#- do_not_expand => do not eat all horizontal space
#- install_button => if possible, use improved graphical style
#- gtk => gtk preferences
#- type =>
#- button => (with clicked or clicked_may_quit)
#- (type defaults to button if clicked or clicked_may_quit is there)
#- (val need not be a reference) (if clicked_may_quit return true, it's as if "Ok" was pressed)
#- label => (val need not be a reference) (type defaults to label if val is not a reference)
#- bool (with "text" or "image" (which overrides text) giving an image filename)
#- range (with min, max, SpinButton)
#- combo (with list, not_edit, format)
#- list (with list, icon2f (aka icon), separator (aka tree), format (aka pre_format function),
#- help can be a hash or a function,
#- tree_expanded boolean telling wether the tree should be wide open by default
#- quit_if_double_click boolean
#- allow_empty_list disables the special cases for 0 and 1 element lists
#- image2f is a subroutine which takes a value of the list as parameter, and returns image_file_name
#- entry (the default) (with hidden)
#- expander (with text, expanded, message, children(a list of sub entries))
#
#- heritate from this class and you'll get all made interactivity for same steps.
#- for this you need to provide
#- - ask_from_listW(o, title, messages, arrayref, default) returns one string of arrayref
#-
#- where
#- - o is the object
#- - title is a string
#- - messages is an refarray of strings
#- - default is an optional string (default is in arrayref)
#- - arrayref is an arrayref of strings
#- - arrayref2 contains booleans telling the default state,
#-
#- ask_from_list and ask_from_list_ are wrappers around ask_from_biglist and ask_from_smalllist
#-
#- ask_from_list_ just translate arrayref before calling ask_from_list and untranslate the result
#-
#- ask_from_listW should handle differently small lists and big ones.
#-
#-######################################################################################
#- OO Stuff
#-######################################################################################
our @ISA = qw(do_pkgs);
sub new($) {
my ($type) = @_;
bless {}, ref($type) || $type;
}
sub vnew {
my ($_type, $o_su, $o_icon) = @_;
my $su = $o_su eq "su";
if ($ENV{INTERACTIVE_HTTP}) {
require interactive::http;
return interactive::http->new;
}
require c;
if ($su) {
$ENV{PATH} = "/sbin:/usr/sbin:$ENV{PATH}";
$su = '' if $::testing || $ENV{TESTING};
}
require_root_capability() if $su;
if (check_for_xserver()) {
eval { require interactive::gtk };
if (!$@) {
my $o = interactive::gtk->new;
if ($o_icon && $o_icon ne 'default' && !$::isWizard) { $o->{icon} = $o_icon } else { undef $o->{icon} }
return $o;
} elsif ($::testing) {
die;
}
}
require interactive::curses;
interactive::curses->new;
}
sub ok { N_("Ok") }
sub cancel { N_("Cancel") }
sub markup_parse {
my ($s) = @_;
my @l;
my @attrs;
while ($s) {
if ($s =~ s!^<(\w+)(\s+[^>]*?)?>!!s) {
push @attrs, [ $1, $2 ];
} elsif ($s =~ s!^</(\w+)>!!) {
my $previous = pop @attrs;
$previous->[0] eq $1 or return;
} elsif ($s =~ s!^(&(amp|lt|gt);)!!) {
push @l, [ $1, @attrs ];
} elsif ($s =~ s!^([^<>&]+)!!s) {
push @l, [ $1, @attrs ];
} else {
return;
}
}
markup_simplify(\@l);
\@l;
}
sub markup_simplify {
my ($l) = @_;
foreach (@$l) {
my ($s, @attrs) = @$_;
my %attrs = map {
my ($tag, $attrs) = @$_;
my $long = { b => { weight => "bold" },
i => { style => "italic" },
big => { size => 'larger' },
}->{$tag};
$long ? %$long : map { /^(.*?)=['"]?(.*?)['"]?$/ } split(' ', $attrs);
} @attrs;
$s = +{ '&' => '&', '<' => '<', '>' => '>' }->{$s} || $s;
@$_ = ($s, if_(%attrs, \%attrs));
}
}
sub markup_remove {
my ($s) = @_;
if (my $l = markup_parse($s)) {
join('', map { $_->[0] } @$l);
} else {
$s;
}
}
#- drop markup as fallback
sub adapt_markup {
my ($_o, $s) = @_;
markup_remove($s);
}
sub enter_console {}
sub leave_console {}
sub suspend {}
sub resume {}
sub end {}
sub exit {
if ($::isStandalone) {
require standalone;
standalone::exit($_[0]);
} else {
exit($_[0]);
}
}
#-######################################################################################
#- Interactive functions
#-######################################################################################
sub ask_warn {
my ($o, $title, $message, $o_icon) = @_;
ask_warn_($o, { title => $title, messages => $message, icon => $o_icon });
}
sub ask_yesorno {
my ($o, $title, $message, $b_def) = @_;
ask_yesorno_($o, { title => $title, messages => $message }, $b_def);
}
sub ask_okcancel {
my ($o, $title, $message, $b_def, $o_icon) = @_;
ask_okcancel_($o, { title => $title, messages => $message, icon => $o_icon }, $b_def);
}
sub ask_warn_ {
my ($o, $common) = @_;
local $o->{modal} = $o->{modal} || $::isInstall; # make these popup at install time
ask_from_listf_raw_no_check($o, $common, \&translate, [ $o->ok ]);
}
sub ask_yesorno_ {
my ($o, $common, $b_def) = @_;
$common->{cancel} = '';
ask_from_listf_raw($o, $common, \&translate, [ N_("Yes"), N_("No") ], $b_def ? "Yes" : "No") eq "Yes";
}
sub ask_okcancel_ {
my ($o, $common, $b_def) = @_;
if ($::isWizard) {
$common->{focus_cancel} = !$b_def;
ask_from_no_check($o, $common, []);
} else {
ask_from_listf_raw($o, $common, \&translate, [ $o->ok, $o->cancel ], $b_def ? $o->ok : $o->cancel) eq $o->ok;
}
}
sub ask_filename {
my ($o, $common) = @_;
$common->{want_a_dir} = 0;
$o->ask_fileW($common);
}
sub ask_directory {
my ($o, $common) = @_;
$common->{want_a_dir} = 1;
$o->ask_fileW($common);
}
#- predecated
sub ask_file {
my ($o, $title, $o_dir) = @_;
$o->ask_fileW({ title => $title, want_a_dir => 0, directory => $o_dir });
}
sub ask_fileW {
my ($o, $common) = @_;
$o->ask_from_entry($common->{title}, $common->{message} || N("Choose a file"));
}
sub ask_from_list {
my ($o, $title, $message, $l, $o_def) = @_;
ask_from_listf($o, $title, $message, undef, $l, $o_def);
}
sub ask_from_list_ {
my ($o, $title, $message, $l, $o_def) = @_;
ask_from_listf($o, $title, $message, \&translate, $l, $o_def);
}
sub ask_from_listf_ {
my ($o, $title, $message, $f, $l, $o_def) = @_;
ask_from_listf($o, $title, $message, sub { translate($f->(@_)) }, $l, $o_def);
}
sub ask_from_listf {
my ($o, $title, $message, $f, $l, $o_def) = @_;
ask_from_listf_raw($o, { title => $title, messages => $message }, $f, $l, $o_def);
}
sub ask_from_listf_raw {
my ($_o, $_common, $_f, $l, $_o_def) = @_;
@$l == 0 and die "ask_from_list: empty list\n" . backtrace();
@$l == 1 and return $l->[0];
goto &ask_from_listf_raw_no_check;
}
sub ask_from_listf_raw_no_check {
my ($o, $common, $f, $l, $o_def) = @_;
if (@$l <= ($::isWizard ? 1 : 2)) {
my ($ok, $cancel) = map { $_ && may_apply($f, $_) } @$l;
if (length "$ok$cancel" < 70) {
my $ret = eval {
put_in_hash($common, { ok => $ok,
if_($cancel, cancel => $cancel, focus_cancel => $o_def eq $l->[1]) });
ask_from_no_check($o, $common, []) ? $l->[0] : $l->[1];
};
die if $@ && $@ !~ /^wizcancel/;
return $@ ? undef : $ret;
}
}
ask_from_no_check($o, $common, [ { val => \$o_def, type => 'list', list => $l, format => $f } ]) && $o_def;
}
sub ask_from_treelist {
my ($o, $title, $message, $separator, $l, $o_def) = @_;
ask_from_treelistf($o, $title, $message, $separator, undef, $l, $o_def);
}
sub ask_from_treelist_ {
my ($o, $title, $message, $separator, $l, $o_def) = @_;
my $transl = sub { join '|', map { translate($_) } split(quotemeta($separator), $_[0]) };
ask_from_treelistf($o, $title, $message, $separator, $transl, $l, $o_def);
}
sub ask_from_treelistf {
my ($o, $title, $message, $separator, $f, $l, $o_def) = @_;
ask_from($o, $title, $message, [ { val => \$o_def, separator => $separator, list => $l, format => $f, sort => 1 } ]) or return;
$o_def;
}
sub ask_many_from_list {
my ($o, $title, $message, @l) = @_;
@l = grep { @{$_->{list}} } @l or return '';
foreach my $h (@l) {
$h->{e}{$_} = {
text => may_apply($h->{label}, $_),
val => $h->{val} ? $h->{val}->($_) : do {
my $i =
|