(run_treeview_dialog) split it into smaller functions and move all of them into Rpmdrake::gui

1 files changed, 476 insertions, 9 deletions

diff --git a/Rpmdrake/gui.pm b/Rpmdrake/gui.pm
index a7e24ae7..221d56f7 100644
--- a/Rpmdrake/gui.pm
+++ b/Rpmdrake/gui.pm
@@ -31,10 +31,113 @@ use common;
 use mygtk2 qw(gtknew); #- do not import gtkadd which conflicts with ugtk2 version
 
 use ugtk2 qw(:helpers :wrappers);
+use rpmdrake;
+use Rpmdrake::formatting;
+use Rpmdrake::init;
+use Rpmdrake::icon;
+use Rpmdrake::pkg;
+use Rpmdrake::icon;
 use Gtk2::Gdk::Keysyms;
 
-our @EXPORT = qw(ask_browse_tree_info_given_widgets_for_rpmdrake);
+our @EXPORT = qw(ask_browse_tree_info_given_widgets_for_rpmdrake build_tree callback_choices closure_removal do_action get_info is_locale_available pkgs_provider reset_search switch_pkg_list_mode
+            $clear_button $dont_show_selections $find_entry $force_displaying_group $force_rebuild @initial_selection $pkgs $size_free $size_selected $urpm);
 
+our $dont_show_selections = $> ? 1 : 0;
+
+our ($descriptions, %filter_methods, $force_displaying_group, $force_rebuild, @initial_selection, $initial_selection_done, $pkgs, $size_free, $size_selected, $urpm);
+
+
+sub format_pkg_simplifiedinfo {
+    my ($pkgs, $key, $urpm, $descriptions) = @_;
+    my ($name, $_version) = split_fullname($key);
+    my $medium = pkg2medium($pkgs->{$key}{pkg}, $urpm)->{name};
+    my $update_descr = $pkgs->{$key}{pkg}->flag_upgrade && $descriptions->{$name}{pre} && $descriptions->{$name}{medium} eq $medium;
+    my $s = ugtk2::markup_to_TextView_format(join("\n", format_header($name . ' - ' . $pkgs->{$key}{summary}) .
+      # workaround gtk+ bug where GtkTextView wronly limit embedded widget size to bigger line's width (#25533):
+                                                      "\x{200b} \x{feff}" . ' ' x 120,
+      if_($update_descr, # is it an update?
+	  format_field(N("Importance: ")) . escape_text_for_TextView_markup_format($descriptions->{$name}{importance}),
+	  format_field(N("Reason for update: ")) . escape_text_for_TextView_markup_format(rpm_description($descriptions->{$name}{pre})),
+      ),
+      '')); # extra empty line
+    if ($update_descr) {
+        push @$s, [ my $link = gtkshow(Gtk2::LinkButton->new($descriptions->{$name}{URL}, N("Security advisory"))) ];
+        $link->set_uri_hook(sub {
+            my (undef, $url) = @_;
+            run_program::raw({ detach => 1 }, 'www-browser', $url);
+        });
+      }
+
+    push @$s, @{ ugtk2::markup_to_TextView_format(join("\n",
+      (escape_text_for_TextView_markup_format($pkgs->{$key}{description} || $descriptions->{$name}{description}) || '<i>' . N("No description") . '</i>')
+    )) };
+    push @$s, [ "\n" ];
+    push @$s, [ gtkadd(gtkshow(my $exp = Gtk2::Expander->new(format_field(N("Files:")))),
+                       gtknew('TextView', text => 
+                                      exists $pkgs->{$key}{files} ?
+                                          ugtk2::markup_to_TextView_format('<tt>' . join("\n", map { "\x{200e}$_" } @{$pkgs->{$key}{files}}) . '</tt>') #- to highlight information
+                           : N("(Not available)"),
+                   )) ];
+    $exp->set_use_markup(1);
+    push @$s, [ "\n\n" ];
+    push @$s, [ gtkadd(gtkshow(my $exp2 = Gtk2::Expander->new(format_field(N("Changelog:")))),
+                       gtknew('TextView', text => $pkgs->{$key}{changelog} || N("(Not available)"))
+                   ) ];
+    $exp2->set_use_markup(1);
+    $s;
+
+}
+
+sub format_pkg_info {
+    my ($pkgs, $key, $urpm, $descriptions) = @_;
+    my ($name, $version) = split_fullname($key);
+    my @files = (
+	format_field(N("Files:\n")),
+	exists $pkgs->{$key}{files}
+	    ? '<tt>' . join("\n", map { "\x{200e}$_" } @{$pkgs->{$key}{files}}) . '</tt>' #- to highlight information
+	    : N("(Not available)"),
+    );
+    my @chglo = (format_field(N("Changelog:\n")), ($pkgs->{$key}{changelog} ? @{$pkgs->{$key}{changelog}} : N("(Not available)")));
+    my @source_info = (
+	$MODE eq 'remove' || !@$max_info_in_descr
+	    ? ()
+	    : (
+		format_field(N("Medium: ")) . pkg2medium($pkgs->{$key}{pkg}, $urpm)->{name},
+		format_field(N("Currently installed version: ")) . find_installed_version($pkgs->{$key}{pkg}),
+	    )
+    );
+    my @max_info = @$max_info_in_descr && $changelog_first ? (@chglo, @files) : (@files, '', @chglo);
+    ugtk2::markup_to_TextView_format(join("\n", format_field(N("Name: ")) . $name,
+      format_field(N("Version: ")) . $version,
+      format_field(N("Architecture: ")) . $pkgs->{$key}{pkg}->arch,
+      format_field(N("Size: ")) . N("%s KB", int($pkgs->{$key}{pkg}->size/1024)),
+      if_(
+	  $MODE eq 'update',
+	  format_field(N("Importance: ")) . $descriptions->{$name}{importance}
+      ),
+      @source_info,
+      '', # extra empty line
+      format_field(N("Summary: ")) . $pkgs->{$key}{summary},
+      '', # extra empty line
+      if_(
+	  $MODE eq 'update',
+	  format_field(N("Reason for update: ")) . rpm_description($descriptions->{$name}{pre}),
+      ),
+      format_field(N("Description: ")), ($pkgs->{$key}{description} || $descriptions->{$name}{description} || N("No description")),
+      @max_info,
+    ));
+}
+
+sub node_state {
+    my $pkg = $pkgs->{$_[0]};
+    my $urpm_obj = $pkg->{pkg};
+    #- checks $_[0] -> hack for partial tree displaying
+    $_[0] ? $pkg->{selected} ?
+      ($urpm_obj->flag_installed ? ($urpm_obj->flag_upgrade ? 'to_install' : 'to_remove') : 'to_install')
+        : ($urpm_obj->flag_installed ? 
+             ($urpm_obj->flag_upgrade ? 'to_update' : 'installed')
+               : ($urpm_obj->flag_base ? '/usr/share/rpmdrake/icons/base.png' : 'uninstalled')) : 'XXX';
+}
 
 # ask_browse_tree_info_given_widgets will run gtk+ loop. its main parameter "common" is a hash containing:
 # - a "widgets" subhash which holds:
@@ -109,8 +212,8 @@ sub ask_browse_tree_info_given_widgets_for_rpmdrake {
 	my $s; foreach (split '\|', $root) {
 	    my $s2 = $s ? "$s|$_" : $_;
 	    $wtree{$s2} ||= do {
-	    my $pixbuf = $common->{get_icon}->($s2, $s);
-		my $iter = $w->{tree_model}->append_set($s ? $add_parent->($s, $state, $common->{get_icon}->($s)) : undef, [ 0 => $_, if_($pixbuf, 2 => $pixbuf) ]);
+	    my $pixbuf = get_icon($s2, $s);
+		my $iter = $w->{tree_model}->append_set($s ? $add_parent->($s, $state, get_icon($s)) : undef, [ 0 => $_, if_($pixbuf, 2 => $pixbuf) ]);
 		$iter;
 	    };
 	    $s = $s2;
@@ -121,10 +224,10 @@ sub ask_browse_tree_info_given_widgets_for_rpmdrake {
     $common->{add_parent} = $add_parent;
     my $add_node = sub {
 	my ($leaf, $root, $options) = @_;
-	my $state = $common->{node_state}($leaf) or return;
+	my $state = node_state($leaf) or return;
 	if ($leaf) {
 	    my $iter;
-         if ($common->{is_a_package}->($leaf)) {
+         if (is_a_package($leaf)) {
              $iter = $w->{detail_list_model}->append_set([ 0 => $leaf ]);
              $set_node_state->($iter, $state, $w->{detail_list_model});
          } else {
@@ -214,7 +317,7 @@ sub ask_browse_tree_info_given_widgets_for_rpmdrake {
     };
     
     $common->{display_info} = sub {
-        gtktext_insert($w->{info}, $common->{get_info}($_[0]));
+        gtktext_insert($w->{info}, get_info($_[0], $w->{tree}->window));
         $w->{info}->scroll_to_iter($w->{info}->get_buffer->get_start_iter, 0, 0, 0, 0);
         0;
     };
@@ -228,13 +331,13 @@ sub ask_browse_tree_info_given_widgets_for_rpmdrake {
 		  #- not all is selected, select all if no option to potentially override
 		  (exists $common->{partialsel_unsel} && $common->{partialsel_unsel}->(\@unsel, \@l) ? difference2(\@l, \@unsel) : @unsel)
 		  : @l;
-		$common->{toggle_nodes}($set_leaf_state, undef, @p);
+		toggle_nodes($w->{tree}->window, $w->{detail_list_model}, $set_leaf_state, undef, @p);
 		&$update_size;
     };
     my $fast_toggle = sub {
         my ($iter) = @_;
         gtkset_mousecursor_wait($w->{w}{rwindow}->window);
-        $common->{check_interactive_to_toggle}($iter) and $common->{toggle_nodes}($set_leaf_state, $w->{detail_list_model}->get($iter, 2), $w->{detail_list_model}->get($iter, 0));
+        $common->{check_interactive_to_toggle}($iter) and toggle_nodes($w->{tree}->window, $w->{detail_list_model}, $set_leaf_state, $w->{detail_list_model}->get($iter, 2), $w->{detail_list_model}->get($iter, 0));
 	    &$update_size;
 	    gtkset_mousecursor_normal($w->{w}{rwindow}->window);
     };
@@ -261,10 +364,374 @@ sub ask_browse_tree_info_given_widgets_for_rpmdrake {
     });
     $common->{rebuild_tree}->();
     &$update_size;
-    $common->{initial_selection} and $common->{toggle_nodes}($set_leaf_state, undef, @{$common->{initial_selection}});
+    $common->{initial_selection} and toggle_nodes($w->{tree}->window, $w->{detail_list_model}, $set_leaf_state, undef, @{$common->{initial_selection}});
     #my $_b = before_leaving { $clear_all_caches->() };
     $common->{init_callback}->() if $common->{init_callback};
     $w->{w}->main;
 }
 
+my ($clear_button, $find_entry);
+
+sub reset_search() {
+    $clear_button and $clear_button->set_sensitive(0);
+    $find_entry and $find_entry->set_text("");
+}
+
+sub is_a_package {
+    my ($pkg) = @_;
+    return exists $pkgs->{$pkg};
+}
+
+sub switch_pkg_list_mode {
+    my ($mode) = @_;
+    return if !$mode;
+    return if !$filter_methods{$mode};
+    $force_displaying_group = 1;
+    $filter_methods{$mode}->();
+}
+
+sub pkgs_provider {
+    my ($options, $mode) = @_;
+    return if !$mode;
+    my $h = &get_pkgs($urpm, $options); # was given (1, @_) for updates
+    ($urpm, $descriptions) = @$h{qw(urpm update_descr)};
+    %filter_methods = (
+        all => sub { $pkgs = { map { %{$h->{$_}} } qw(installed installable updates) } },
+        installed => sub { $pkgs = $h->{installed} },
+        non_installed => sub { $pkgs = $h->{installable} },
+        all_updates => sub {
+            my %pkgs = grep { my $p = $h->{installable}{$_}; $p->{pkg} && !$p->{selected} && $p->{pkg}->flag_installed && $p->{pkg}->flag_upgrade } keys %{$h->{installable}};
+            $pkgs = {
+                (map { $_ => $h->{updates}{$_} } keys %{$h->{updates}}),
+                (map { $_ => $h->{installable}{$_} } keys %pkgs)
+            };
+        },
+    );
+    if (!$initial_selection_done) {
+        $filter_methods{all}->();
+        @initial_selection = grep { $pkgs->{$_}{selected} } keys %$pkgs;
+        $initial_selection_done = 1;
+    }
+    foreach my $importance (qw(bugfix security normal)) {
+        $filter_methods{$importance} = sub {
+            $pkgs = $h->{updates};
+            $pkgs = { map { $_ => $pkgs->{$_} } grep { 
+                my ($name, $_version) = split_fullname($_);
+                $descriptions->{$name}{importance} eq $importance } keys %$pkgs };
+        };
+    }
+    $filter_methods{mandrake_choices} = $filter_methods{non_installed};
+    switch_pkg_list_mode($mode);
+}
+
+sub closure_removal {
+    $urpm->{state} = {};
+    urpm::select::find_packages_to_remove($urpm, $urpm->{state}, \@_);
+}
+
+sub is_locale_available {
+    any { $urpm->{depslist}[$_]->flag_selected } keys %{$urpm->{provides}{$_[0]} || {}} and return 1;
+    my $found;
+    $db->traverse_tag('name', [ $_ ], sub { $found ||= 1 });
+    return $found;
+}
+
+sub callback_choices {
+    my (undef, undef, undef, $choices) = @_;
+    foreach my $pkg (@$choices) {
+        foreach ($pkg->requires_nosense) {
+            /locales-/ or next;
+            is_locale_available($_) and return $pkg;
+        }
+    }
+    my $callback = sub { interactive_msg(N("More information on package..."), get_info($_[0]), scroll => 1) };
+    $choices = [ sort { $a->name cmp $b->name } @$choices ];
+    my @choices = interactive_list_(N("Please choose"), P("The following package is needed:", "One of the following packages is needed:", scalar(@$choices)),
+                                    [ map { urpm_name($_) } @$choices ], $callback);
+    $choices->[$choices[0]];
+}
+
+sub toggle_nodes {
+    my ($widget, $model, $set_state, $old_state, @nodes) = @_;
+    @nodes = grep { exists $pkgs->{$_} } @nodes
+      or return;
+    #- avoid selecting too many packages at once
+    return if !$dont_show_selections && @nodes > 2000;
+    my $new_state = !$pkgs->{$nodes[0]}{selected};
+
+    my @nodes_with_deps;
+    my $deps_msg = sub {
+        return 1 if $dont_show_selections;
+        my ($title, $msg, $nodes, $nodes_with_deps) = @_;
+        my @deps = sort { $a cmp $b } difference2($nodes_with_deps, $nodes);
+        @deps > 0 or return 1;
+      deps_msg_again:
+        my $results = interactive_msg(
+            $title, $msg . urpm::select::translate_why_removed($urpm, $urpm->{state}, @deps),
+            yesno => [ N("Cancel"), N("More info"), N("Ok") ],
+            scroll => 1,
+        );
+        if ($results eq
+		    #-PO: Keep it short, this is gonna be on a button
+		    N("More info")) {
+            interactive_packtable(
+                N("Information on packages"),
+                $::main_window,
+                undef,
+                [ map { my $pkg = $_;
+                        [ gtknew('HBox', children_tight => [ gtkset_selectable(gtknew('Label', text => $pkg), 1) ]),
+                          gtknew('Button', text => N("More information on package..."), 
+                                 clicked => sub {
+                                     interactive_msg(N("More information on package..."), get_info($pkg), scroll => 1);
+                                 }) ] } @deps ],
+                [ gtknew('Button', text => N("Ok"), 
+                         clicked => sub { Gtk2->main_quit }) ]
+            );
+            goto deps_msg_again;
+        } else {
+            return $results eq N("Ok");
+        }
+    };                          # deps_msg
+
+    if (member($old_state, qw(to_remove installed))) { # remove pacckages
+        if ($new_state) {
+            my @remove;
+            slow_func($widget, sub { @remove = closure_removal(@nodes) });
+            @nodes_with_deps = grep { !$pkgs->{$_}{selected} && !/^basesystem/ } @remove;
+            $deps_msg->(N("Some additional packages need to be removed"),
+                        formatAlaTeX(N("Because of their dependencies, the following package(s) also need to be\nremoved:")) . "\n\n",
+                        \@nodes, \@nodes_with_deps) or @nodes_with_deps = ();
+            my @impossible_to_remove;
+            foreach (grep { exists $pkgs->{$_}{base} } @remove) {
+                ${$pkgs->{$_}{base}} == 1 ? push @impossible_to_remove, $_ : ${$pkgs->{$_}{base}}--;
+            }
+            @impossible_to_remove and interactive_msg(N("Some packages can't be removed"),
+                                                      N("Removing these packages would break your system, sorry:\n\n") .
+                                                        formatlistpkg(@impossible_to_remove));
+            @nodes_with_deps = difference2(\@nodes_with_deps, \@impossible_to_remove);
+        } else {
+            slow_func($widget,
+                      sub { @nodes_with_deps = grep { intersection(\@nodes, [ closure_removal($_) ]) }
+                              grep { $pkgs->{$_}{selected} && !member($_, @nodes) } keys %$pkgs });
+            push @nodes_with_deps, @nodes;
+            $deps_msg->(N("Some packages can't be removed"),
+                        N("Because of their dependencies, the following package(s) must be\nunselected now:\n\n"),
+                        \@nodes, \@nodes_with_deps) or @nodes_with_deps = ();
+            $pkgs->{$_}{base} && ${$pkgs->{$_}{base}}++ foreach @nodes_with_deps;
+        }
+    } else {
+        if ($new_state) {
+            if (@nodes > 1) {
+                #- unselect i18n packages of which locales is not already present (happens when user clicks on KDE group)
+                my @bad_i18n_pkgs;
+                foreach my $sel (@nodes) {
+                    foreach ($pkgs->{$sel}{pkg}->requires_nosense) {
+                        /locales-([^-]+)/ or next;
+                        $sel =~ /-$1[-_]/ && !is_locale_available($_) and push @bad_i18n_pkgs, $sel;
+                    }
+                }
+                @nodes = difference2(\@nodes, \@bad_i18n_pkgs);
+            }
+            my @requested;
+            slow_func(
+                $widget,
+                sub {
+                    @requested = $urpm->resolve_requested(
+                        $db, $urpm->{state},
+                        { map { $pkgs->{$_}{pkg}->id => 1 } @nodes },
+                        callback_choices => \&callback_choices,
+                    );
+                },
+            );
+            @nodes_with_deps = map { urpm_name($_) } @requested;
+            if (!$deps_msg->(N("Additional packages needed"),
+                             N("To satisfy dependencies, the following package(s) also need\nto be installed:\n\n"),
+                             \@nodes, \@nodes_with_deps)) {
+                @nodes_with_deps = ();
+                $urpm->disable_selected($db, $urpm->{state}, @requested);
+                goto packages_selection_ok;
+            }
+
+            if (my @cant = sort(difference2(\@nodes, \@nodes_with_deps))) {
+                my @ask_unselect = urpm::select::unselected_packages($urpm, $urpm->{state});
+                my @reasons = map {
+                    my $cant = $_;
+                    my $unsel = find { $_ eq $cant } @ask_unselect;
+                    $unsel
+                      ? join("\n", urpm::select::translate_why_unselected($urpm, $urpm->{state}, $unsel))
+                        : ($pkgs->{$_}{pkg}->flag_skip ? N("%s (belongs to the skip list)", $cant) : $cant);
+                } @cant;
+                my $count = @reasons;
+                interactive_msg(
+                    P("One package cannot be installed", "Some packages can't be installed", $count),
+                    P("Sorry, the following package cannot be selected:\n\n%s", "Sorry, the following packages can't be selected:\n\n%s", $count, join("\n", @reasons)),
+                    scroll => 1,
+                );
+                foreach (@cant) {
+                    $pkgs->{$_}{pkg}->set_flag_requested(0);
+                    $pkgs->{$_}{pkg}->set_flag_required(0);
+                }
+            }
+          packages_selection_ok:
+        } else {
+            my @unrequested;
+            slow_func($widget,
+                      sub { @unrequested = $urpm->disable_selected($db, $urpm->{state},
+                                                                   map { $pkgs->{$_}{pkg} } @nodes) });
+            @nodes_with_deps = map { urpm_name($_) } @unrequested;
+            if (!$deps_msg->(N("Some packages need to be removed"),
+                             N("Because of their dependencies, the following package(s) must be\nunselected now:\n\n"),
+                             \@nodes, \@nodes_with_deps)) {
+                @nodes_with_deps = ();
+                $urpm->resolve_requested($db, $urpm->{state}, { map { $_->id => 1 } @unrequested });
+                goto packages_unselection_ok;
+            }
+          packages_unselection_ok:
+        }
+    }
+
+    foreach (@nodes_with_deps) {
+        #- some deps may exist on some packages which aren't listed because
+        #- not upgradable (older than what currently installed)
+        exists $pkgs->{$_} or next;
+        if (!$pkgs->{$_}{pkg}) { #- can't be removed  # FIXME; what about next packages in the loop?
+            $pkgs->{$_}{selected} = 0;
+            log::explanations("can't be removed: $_");
+        } else {
+            $pkgs->{$_}{selected} = $new_state;
+        }
+        $set_state->($_, node_state($_), $model);
+        $pkgs->{$_}{pkg}
+          and $size_selected += $pkgs->{$_}{pkg}->size * ($new_state ? 1 : -1);
+    }
+}
+
+sub do_action {
+    my ($options, $callback_action, $info) = @_;
+    require urpm::sys;
+    if (!urpm::sys::check_fs_writable()) {
+        $urpm->{fatal}(1, N("Error: %s appears to be mounted read-only.", $urpm::sys::mountpoint));
+        return;
+    }
+    if (!int(grep { $pkgs->{$_}{selected} } keys %$pkgs)) {
+        interactive_msg(N("You need to select some packages first."), N("You need to select some packages first."));
+        return;
+    }
+    my $size_added = sum(map { if_($_->flag_selected && !$_->flag_installed, $_->size) } @{$urpm->{depslist}});
+    if ($MODE eq 'install' && $size_free - $size_added/1024 < 50*1024) {
+        interactive_msg(N("Too many packages are selected"),
+                        N("Warning: it seems that you are attempting to add so much
+packages that your filesystem may run out of free diskspace,
+during or after package installation ; this is particularly
+dangerous and should be considered with care.
+
+Do you really want to install all the selected packages?"), yesno => 1)
+          or return;
+    }
+    if (!$callback_action->($urpm, $pkgs)) {
+        $force_rebuild = 1;
+        pkgs_provider({ skip_updating_mu => 1 }, $options->{tree_mode});
+        reset_search();
+        $size_selected = 0;
+        (undef, $size_free) = MDK::Common::System::df('/usr');
+        $options->{rebuild_tree}->();
+        gtktext_insert($info, '');
+    }
+}
+
+
+sub ctreefy {
+    join('|', map { translate($_) } split m|/|, $_[0]);
+}
+
+sub build_tree {
+    my ($tree, $tree_model, $elems, $options, $force_rebuild, $compssUsers, $add_node, $flat, $mode) = @_;
+    my $old_mode if 0;
+    $mode = $options->{rmodes}{$mode} || $mode;
+    return if $old_mode eq $mode && !$force_rebuild;
+    $old_mode = $mode;
+    undef $force_rebuild;
+    my @elems;
+    my $wait; $wait = statusbar_msg(N("Please wait, listing packages...")) if $MODE ne 'update';
+    gtkflush();
+    if ($mode eq 'mandrake_choices') {
+        foreach my $pkg (keys %$pkgs) {
+            my ($name) = split_fullname($pkg);
+            push @elems, [ $pkg, $_ ] foreach @{$compssUsers->{$name}};
+        }
+    } else {
+        my @keys = keys %$pkgs;
+        if (member($mode, qw(all_updates security bugfix normal))) {
+            @keys = grep {
+                my ($name) = split_fullname($_);
+                member($descriptions->{$name}{importance}, @$mandrakeupdate_wanted_categories)
+                  || ! $descriptions->{$name}{importance};
+            } @keys;
+            if (@keys == 0) {
+                $add_node->('', N("(none)"), { nochild => 1 });
+                my $explanation_only_once if 0;
+                $explanation_only_once or interactive_msg(N("No update"),
+                                                          N("The list of updates is empty. This means that either there is
+no available update for the packages installed on your computer,
+or you already installed all of them."));
+                $explanation_only_once = 1;
+            }
+        }
+        @elems = map { [ $_, !$flat && ctreefy($pkgs->{$_}{pkg}->group) ] } @keys;
+    }
+    my %sortmethods = (
+        by_size => sub { sort { $pkgs->{$b->[0]}{pkg}->size <=> $pkgs->{$a->[0]}{pkg}->size } @_ },
+        by_selection => sub { sort { $pkgs->{$b->[0]}{selected} <=> $pkgs->{$a->[0]}{selected}
+                                       || uc($a->[0]) cmp uc($b->[0]) } @_ },
+        by_leaves => sub {
+            my $pkgs_times = 'rpm -q --qf "%{name}-%{version}-%{release} %{installtime}\n" `urpmi_rpm-find-leaves`';
+            sort { $b->[1] <=> $a->[1] } grep { exists $pkgs->{$_->[0]} } map { [ split ] } run_rpm($pkgs_times);
+        },
+        flat => sub { no locale; sort { uc($a->[0]) cmp uc($b->[0]) } @_ },
+        by_medium => sub { sort { $a->[2] <=> $b->[2] || uc($a->[0]) cmp uc($b->[0]) } @_ },
+    );
+    if ($flat) {
+        $add_node->($_->[0], '') foreach $sortmethods{$mode || 'flat'}->(@elems);
+    } else {
+        if (0 && $MODE eq 'update') {
+            $add_node->($_->[0], N("All")) foreach $sortmethods{flat}->(@elems);
+            $tree->expand_row($tree_model->get_path($tree_model->get_iter_first), 0);
+        } elsif ($mode eq 'by_source') {
+            $add_node->($_->[0], $_->[1]) foreach $sortmethods{by_medium}->(map {
+                my $m = pkg2medium($pkgs->{$_->[0]}{pkg}, $urpm); [ $_->[0], $m->{name}, $m->{priority} ];
+            } @elems);
+        } elsif ($mode eq 'by_presence') {
+            $add_node->(
+                $_->[0], $pkgs->{$_->[0]}{pkg}->flag_installed && !$pkgs->{$_->[0]}{pkg}->flag_skip
+                  ? N("Upgradable") : N("Addable")
+		    ) foreach $sortmethods{flat}->(@elems);
+        } else {
+            #- we populate all the groups tree at first
+            %$elems = ();
+            # better loop on packages, create groups tree and push packages in the proper place:
+            foreach my $pkg (@elems) {
+                my $grp = $pkg->[1];
+                $options->{add_parent}->($grp);
+                $elems->{$grp} ||= [];
+                push @{$elems->{$grp}}, $pkg;
+            }
+        }
+    }
+    statusbar_msg_remove($wait) if defined $wait;
+}
+
+sub get_info {
+    my ($key, $widget) = @_;
+    #- the package information hasn't been loaded. Instead of rescanning the media, just give up.
+    exists $pkgs->{$key} or return [ [ N("Description not available for this package\n") ] ];
+    exists $pkgs->{$key}{description} && exists $pkgs->{$key}{files}
+      or slow_func($widget, sub { extract_header($pkgs->{$key}, $urpm) });
+    my $s;
+    eval { $s = format_pkg_simplifiedinfo($pkgs, $key, $urpm, $descriptions) };
+    if (my $err = $@) {
+        $s = N("A fatal error occurred: %s.", $err);
+    }
+    $s;
+}
+
 1;