#!/usr/bin/perl
#*****************************************************************************
#
#  Copyright (c) 2002 Guillaume Cottenceau
#  Copyright (c) 2002-2007 Thierry Vignaud <tvignaud@mandriva.com>
#  Copyright (c) 2003, 2004, 2005 MandrakeSoft SA
#  Copyright (c) 2005-2007 Mandriva SA
#
#  This program is free software; you can redistribute it and/or modify
#  it under the terms of the GNU General Public License version 2, as
#  published by the Free Software Foundation.
#
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
#
#  You should have received a copy of the GNU General Public License
#  along with this program; if not, write to the Free Software
#  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
#*****************************************************************************
#
# $Id$

use strict;
use MDK::Common::Func 'any';
use lib qw(/usr/lib/libDrakX);
use common;

use Rpmdrake::init;
use standalone;  #- standalone must be loaded very first, for 'explanations', but after rpmdrake::init
use rpmdrake;
use Rpmdrake::gui;
use Rpmdrake::rpmnew;
use Rpmdrake::formatting;
use Rpmdrake::pkg;
use Rpmdrake::widgets;

use mygtk2 qw(gtknew);  #- do not import anything else, especially gtkadd() which conflicts with ugtk2 one
use ugtk2 qw(:all);
use Gtk2::SimpleList;

# make Rpmdrake::gui aware MandrivaUpdate do not use the same columns ids as rpmdrake:
%pkg_columns = (
    image => 0,
    selected => 1,
    text => 2,
    short_name => 3,
    version => 4,
    release => 5,
    'arch' => 6,
    importance => 7,
);

$ugtk2::wm_icon = get_icon('MandrivaUpdate', "title-$MODE");

our $w;
our $statusbar;

warn_about_user_mode();

my (%data, $initialized);

my %update_icons = (
    security => 'security-update',
    bugfix => 'bugfix-update',
    normal => 'general-update',
);

my %icons_cache;

sub refresh_packages_list {
    my ($list, $info, $button) = @_;
    # select packages to update:
    my @requested = sort @filtered_pkgs;

    # don't select packages in skip list:
    if (!$initialized) {
        $pkgs->{$_}{selected} = 0 foreach @requested;
        my @selectable = grep { !$pkgs->{$_}{pkg}->flag_skip } @requested;
        # adjust boolean to reality of selected state:
        toggle($list, @selectable) if @selectable;
        toggle($list, @selectable) if @selectable;
        $initialized = 1;
    }

    my $i;
    @{$list->{data}} = map {
        $data{$_} = $i++;
        my $summary = get_summary($_);
        my ($name, $version, $release, $arch) = split_fullname($_);
        my $pkg = $pkgs->{$_};
        my $raw_medium = pkg2medium($pkg->{pkg}, $urpm);
        my $medium = $raw_medium ? $raw_medium->{name} : undef;
        my $icon;
        my $importance = $medium && $descriptions->{$medium}{$name}{importance};
        if ($importance) {
            $icon = $icons_cache{$importance} ||= gtknew('Pixbuf', file => $update_icons{$importance});
        }
        [ $icon, $pkgs->{$_}{selected}, $_, format_name_n_summary($name, $summary), $version, $release, $arch, $importance ];
    } grep { $pkgs->{$_}{pkg} } @requested;
    gtktext_insert($info,
      formatAlaTeX(N("The list of updates is empty. This means that either there is
no available update for the packages installed on your computer,
or you already installed all of them."))) if !@{$list->{data}};
    $button->set_sensitive(scalar(@{$list->{data}}));
}

sub toggle {
    my ($list, @names) = @_;
    my $name = $names[0];
    my $val = $pkgs->{$name}{selected};
    my $old_status = $val ? 'to_install' : 'to_update';
    my $done;
    $pkgs->{$name}{pkg}->set_flag_skip(0);
    toggle_nodes($w->{real_window}->window, $list->get_model, sub {
                     my ($leaf, $_state, $_model) = @_;
                     $done = 1;
                     $list->{data}[$data{$leaf}][$pkg_columns{selected}] = $pkgs->{$name}{selected};
                 },
                 $old_status, @names);
    # handle canceling:
    $list->{data}[$data{$name}][$pkg_columns{selected}] = !$list->{data}[$data{$name}][$pkg_columns{selected}] if !$done;
}

$w = ugtk2->new(N("Software Management"));
$w->{rwindow}->show_all if $::isEmbedded;
$::main_window = $w->{real_window};

sub quit() {
    ($mandrivaupdate_width->[0], $mandrivaupdate_height->[0]) = $::w->{real_window}->get_size;
    Gtk2->main_quit;
}

sub select_n_refresh {
    my ($list, $info, $update_button, $value) = @_;
    toggle_all({
        widgets => {
            detail_list => $list,
            detail_list_model => $list->get_model
        },
    }, $value);
    refresh_packages_list($list, $info, $update_button);
}

sub run_treeview_dialog {
    my ($callback_action) = @_;

    my ($list, $info, $update_button);

    my $rootwin_height = second(gtkroot()->get_size);
    my $is_small_screen = $rootwin_height < 480;

    compute_main_window_size($w);

    gtkadd(
	$w->{window},
	gtkpack_(
	    gtknew('VBox', spacing => 3),
	    if_(!$is_small_screen, 0, getbanner()),
              0, gtknew('Title2', label => N("Here is the list of software package updates"), width => 600),
         1, create_vpaned(
                 gtknew('ScrolledWindow', width => $typical_width*0.9, height => $is_small_screen ? 150 : 200,
                        child => $list = Gtk2::SimpleList->new(
                            " " => 'pixbuf',
                            " " . " " . " "    => 'bool', #N("Selected")
                            '' => 'hidden',
                            " " . N("Name") . " "        => 'markup', #N("Name")
                            " " . N("Version") . " "        => 'text',
                            " " . N("Release") . " "        => 'text',
                            " " . N("Arch") . " "        => 'text',
                            '' => 'hidden',
                        ),
                    ),
                 
             gtknew('ScrolledWindow', width => $typical_width*0.9,
                    child => $info = Gtk2::Mdv::TextView->new, height => $is_small_screen ? 150 : 190,
                ),
             resize1 => 1,
         ),
              0, gtkset_size_request(Gtk2::HSeparator->new, -1, 5),
		    0, gtkpack_(
			gtknew('HBox', spacing => 20),
			0, gtksignal_connect(
			    Gtk2::Button->new(but_(N("Help"))),
			    clicked => sub { rpmdrake::open_help($MODE) },
			),
			0, gtksignal_connect(
			    Gtk2::Button->new(but_(N("Select all"))),
			    clicked => sub { select_n_refresh($list, $info, $update_button, 1) },
			),
			0, gtksignal_connect(
			    Gtk2::Button->new(but_(N("Unselect all"))),
			    clicked => sub { select_n_refresh($list, $info, $update_button, 0) },
			),
               1, gtknew('Label'),
			0, my $action_button = gtksignal_connect(
			    $update_button = Gtk2::Button->new(but_(N("Update"))),
			    clicked => sub {
                                my $res = do_action({ tree_mode => 'all_updates' }, $callback_action);
                                $initialized = 0 if !$res;
                                refresh_packages_list($list, $info, $update_button);
                            },
			),
			0, gtksignal_connect(
			    Gtk2::Button->new(but_(N("Quit"))),
			    clicked => \&quit,
			),
		    ),
	    #0, $statusbar = Gtk2::Statusbar->new,
	),
    );
    $statusbar = Gtk2::Statusbar->new;

    $list->get_model->set_sort_func($pkg_columns{image} + 1, sub {
                                        my ($store, $treeiter1, $treeiter2) = @_;
                                        $store->get_value($treeiter1, $pkg_columns{importance}) cmp
                                          $store->get_value($treeiter2, $pkg_columns{importance});
                                    });


    $list->set_rules_hint(1);
    my $pix_col = $list->get_column($pkg_columns{image});
    $pix_col->set_fixed_width(32);
    my $bool_col = $list->get_column($pkg_columns{selected});
    $bool_col->set_fixed_width(24);
    $bool_col->set_sizing('fixed');
    $bool_col->set_sort_column_id($pkg_columns{selected});

    # -1 because actual widget count differs from TreeModel one due to the hidden column:
    foreach (@pkg_columns{qw(short_name version release arch)}) {
        my $col = $list->get_column($_-1);
        ($col->get_cell_renderers)[0]->set_property('xpad', '6');
        $col->set_sizing('autosize');
        $col->set_sort_column_id($_);
    }

    my $pretty_column = $list->get_column($pkg_columns{short_name}-1);
    $pretty_column->set_resizable(1);
    ($pretty_column->get_cell_renderers)[0]->set_property('ellipsize', 'end');
    $pretty_column->set_property('expand', '1');

    $list->get_selection->signal_connect(changed => sub {
                                             my ($model, $iter) = $_[0]->get_selected;
                                             $model && $iter or return;
                                             gtktext_insert($info, get_info($model->get($iter, $pkg_columns{text}), $w->{real_window}->window));
                                             $info->scroll_to_iter($info->get_buffer->get_start_iter, 0, 0, 0, 0);
                                         });

    $w->{rwindow}->set_default_size(-1, 500) if !$::isEmbedded;

    if ($mandrivaupdate_width->[0] && $mandrivaupdate_height->[0]) {
        # so that we can shrink back:
        $w->{real_window}->set_default_size($mandrivaupdate_width->[0], $mandrivaupdate_height->[0]);
    }
    $w->{rwindow}->show_all;
    $w->{rwindow}->set_sensitive(0);

    # ensure treeview get realized so that ->get_selection returns something
    $list->realize;
    gtkflush();

    $filter->[0] = 'all'; # default filter: availlable updates
    $Rpmdrake::pkg::probe_only_for_updates = 1; # faster startup
    pkgs_provider({}, 'all_updates', pure_updates => 1); # default mode

    refresh_packages_list($list, $info, $update_button);

    my $cell = ($bool_col->get_cell_renderers)[0];
    $cell->signal_connect(toggled => sub {
	my ($_cell, $text_path) = @_;
	my $name = @{$list->{data}[$text_path]}[$pkg_columns{text}];
	gtkset_mousecursor_wait($w->{real_window}->window);
	my $_guard = before_leaving(sub { gtkset_mousecursor_normal($w->{real_window}->window) });
	toggle($list, $name);
    });
    $action_button->set_sensitive(0) if $>;

    $w->{rwindow}->set_sensitive(1);

    $w->main;
}


# -=-=-=---=-=-=---=-=-=-- main -=-=-=---=-=-=---=-=-=-

do_merge_if_needed();

readconf();

init();
run_treeview_dialog(\&perform_installation);

writeconf();

myexit(0);