# vim: set et ts=4 sw=4:
#*****************************************************************************
# 
#  Copyright (c) 2013 Angelo Naselli <anaselli@linux.it>
#  from adduserdrake and userdrake
# 
#  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.
# 
#*****************************************************************************

package AdminPanel::Users::GUsers;

###############################################
##
## graphic related routines for managing user
##
###############################################


use strict;
# TODO evaluate if Moose is too heavy and use Moo 
# instead
use Moose;
use POSIX qw(ceil);
use common qw(N);
use security::level;
use run_program;
## USER is from userdrake
use USER;
use utf8;
use log;

use Glib;
use yui;
use AdminPanel::Shared;
use AdminPanel::Users::users;

# main dialog
has 'dialog'     => (
    is        => 'rw',
);

has 'widgets' => ( 
    traits    => ['Hash'],
    default   => sub { {} },
    is        => 'rw',
    isa       => 'HashRef',
    handles   => {
        set_widget     => 'set',
        get_widget     => 'get',
        widget_pairs   => 'kv',
    }, 
);

has 'action_menu' => (
    traits    => ['Hash'],
    default   => sub { {} },
    is        => 'rw',
    isa       => 'HashRef',
    handles   => {
        set_action_menu     => 'set',
        get_action_menu     => 'get',
        action_menu_pairs   => 'kv',
    }, 
);

## Used by USER (for getting values? TODO need explanations, where?)
has 'USER_GetValue' => (
    default   => -65533,
    is        => 'ro',
    isa       => 'Int',
);

## Used by USER (for getting values? TODO need explanations, where?)
has 'ctx' => (
    default   => sub {USER::ADMIN->new},
    is        => 'ro',
);

=head1 VERSION

Version 1.0.0

=cut

our $VERSION = '1.0.0';


sub labeledFrameBox {
    my ($parent, $label) = @_;

    my $factory  = yui::YUI::widgetFactory;

    my $frame    = $factory->createFrame($parent, $label);
    $frame->setWeight( $yui::YD_HORIZ, 1);

    $frame       = $factory->createHVCenter( $frame );
    $frame       = $factory->createVBox( $frame );
  return $frame;
}

######################################
##
## ChooseGroup
##
## creates a popup dialog to ask if
##  adding user to existing group or
##  to 'users' group.
##
## returns 0 or 1 (choice done)
##         -1 cancel, or exit
## 
sub ChooseGroup() {
    my $choice = -1;

    ## push application title
    my $appTitle = yui::YUI::app()->applicationTitle();
    ## set new title to get it in dialog
    yui::YUI::app()->setApplicationTitle(N("Choose group"));
    
    my $factory  = yui::YUI::widgetFactory;

    my $dlg      = $factory->createPopupDialog();
    my $layout   = $factory->createVBox($dlg);


    my $frame    = labeledFrameBox($layout,  N("A group with this name already exists.  What would you like to do?"));

    my $rbg      = $factory->createRadioButtonGroup( $frame );
    $frame       = $factory->createVBox( $rbg );
    my $align    = $factory->createLeft($frame);

    my $rb1      = $factory->createRadioButton( $align, N("Add to the existing group"), 1);
    $rb1->setNotify(1);
    $rbg->addRadioButton( $rb1 );
    $align        = $factory->createLeft($frame);
    my $rb2 = $factory->createRadioButton( $align, N("Add to the 'users' group"), 0);
    $rb2->setNotify(1);
    $rbg->addRadioButton( $rb2 );

    my $hbox            = $factory->createHBox($layout);
    $align           = $factory->createRight($hbox);
    my $cancelButton = $factory->createPushButton($align, N("Cancel"));
    my $okButton     = $factory->createPushButton($hbox,  N("Ok"));
    while(1) {
        my $event     = $dlg->waitForEvent();
        my $eventType = $event->eventType();
        
        #event type checking
        if ($eventType == $yui::YEvent::CancelEvent) {
            last;
        }
        elsif ($eventType == $yui::YEvent::WidgetEvent) {
            # widget selected
            my $widget = $event->widget();
            if ($widget == $cancelButton) {
                last;
            }
            if ($widget == $okButton) {
                $choice = $rb1->value() ? 0 : 1 ;
                last;
            }
        }
    }

    destroy $dlg;
    
    #restore old application title
    yui::YUI::app()->setApplicationTitle($appTitle);

    return $choice;
}

sub _inArray {
    my ($self, $item, $arr) = @_;
    
    return grep( /^$item$/, @$arr ); 
}

#=============================================================

=head2 _updateOrDelUsersInGroup

=head3 INPUT

    $name:   username

=head3 DESCRIPTION

    Fixes user deletion into groups.

=cut

#=============================================================
sub _updateOrDelUserInGroup {
    my ($self, $name) = @_;
    my $groups = $self->ctx->GroupsEnumerateFull;
    foreach my $g (@$groups) {
        my $members = $g->MemberName(1, 0);
        if ($self->_inArray($name, $members)) { 
            eval { $g->MemberName($name, 2) };
            eval { $self->ctx->GroupModify($g) };
        }
    }
}

sub _deleteUserDialog {
    my $self = shift;

    my $item = $self->get_widget('table')->selectedItem();
    if (! $item) {
       return;
    } 
    my $username = $item->label(); 

    my $userEnt = $self->ctx->LookupUserByName($username);
    my $homedir = $userEnt->HomeDir($self->USER_GetValue);

    ## push application title
    my $appTitle = yui::YUI::app()->applicationTitle();
    ## set new title to get it in dialog
    yui::YUI::app()->setApplicationTitle(N("Delete files or not?"));

    my $factory  = yui::YUI::widgetFactory;
    my $dlg      = $factory->createPopupDialog();
    my $layout   = $factory->createVBox($dlg);

    my $align    = $factory->createLeft($layout);
    $factory->createLabel($align, N("Deleting user %s\nAlso perform the following actions\n",
                                   $username));
    $align    = $factory->createLeft($layout);
    my $checkhome  = $factory->createCheckBox($align, N("Delete Home Directory: %s", $homedir, 0));
    $align    = $factory->createLeft($layout);
    my $checkspool = $factory->createCheckBox($align, N("Delete Mailbox: /var/spool/mail/%s",
                                                        $username), 0);
    $align    = $factory->createRight($layout);
    my $hbox  = $factory->createHBox($align);
    my $cancelButton = $factory->createPushButton($hbox, N("Cancel"));
    my $deleteButton = $factory->createPushButton($hbox,  N("Delete"));
    
    if ($homedir !~ m!(?:/home|/var/spool)!) { 
        $checkhome->setDisabled(); 
        $checkspool->setDisabled(); 
    }

    
    while(1) {
        my $event     = $dlg->waitForEvent();
        my $eventType = $event->eventType();
        
        #event type checking
        if ($eventType == $yui::YEvent::CancelEvent) {
            last;
        }
        elsif ($eventType == $yui::YEvent::WidgetEvent) {
            # widget selected
            my $widget = $event->widget();
            if ($widget == $cancelButton) {
                last;
            }
            elsif ($widget == $deleteButton) {
                log::explanations(N("Removing user: %s", $username));
                $self->ctx->UserDel($userEnt);
                $self->_updateOrDelUserInGroup($username);
                #Let's check out the user's primary group
                my $usergid = $userEnt->Gid($self->USER_GetValue);
                my $groupEnt = $self->ctx->LookupGroupById($usergid);
                if ($groupEnt) {
                    my $member = $groupEnt->MemberName(1, 0);
                    if (scalar(@$member) == 0 && $groupEnt->Gid($self->USER_GetValue) > 499) {
                        $self->ctx->GroupDel($groupEnt);
                    }
                }
                if ($checkhome->isChecked()) { 
                    eval { $self->ctx->CleanHome($userEnt) };
                    $@ and AdminPanel::Shared::msgBox($@) and last;
                }
                if ($checkspool->isChecked()) {
                    eval { $self->ctx->CleanSpool($userEnt) };
                    $@ and AdminPanel::Shared::msgBox($@) and last;
                }
                $self->_refresh();
                last;
            }
        }
    }

    destroy $dlg;
    
    #restore old application title
    yui::YUI::app()->setApplicationTitle($appTitle);

}


sub addUserDialog {
    my $self = shift;

    my $dontcreatehomedir = 0; my $is_system = 0;
    my @shells = @{$self->ctx->GetUserShells};

    ## push application title
    my $appTitle = yui::YUI::app()->applicationTitle();
    ## set new title to get it in dialog
    yui::YUI::app()->setApplicationTitle(N("Create New User"));
    
    my $factory  = yui::YUI::widgetFactory;
    my $optional = yui::YUI::optionalWidgetFactory;

    my $dlg      = $factory->createPopupDialog();
    my $layout   = $factory->createVBox($dlg);

    ## user 'full name'
    my $hbox         = $factory->createHBox($layout);
    my $align        = $factory->createLeft($hbox);
    $factory->createLabel($align, N("Full Name:") );
    $align           = $factory->createRight($hbox);
    my $fullName     = $factory->createInputField($align, "", 0);

    ## user 'login name'
    $hbox            = $factory->createHBox($layout);
    $align           = $factory->createLeft($hbox);
    $factory->createLabel($align, N("Login:") );
    $align           = $factory->createRight($hbox);
    my $loginName    = $factory->createInputField($align, "", 0);
    $loginName->setNotify(1);

    ## user 'Password'
    $hbox            = $factory->createHBox($layout);
    $align           = $factory->createLeft($hbox);
    $factory->createLabel($align, N("Password:") );
    $align           = $factory->createRight($hbox);
    my $password     = $factory->createInputField($align, "", 1);

    ## user 'confirm Password'
    $hbox            = $factory->createHBox($layout);
    $align           = $factory->createLeft($hbox);
    $factory->createLabel($align, N("Confirm Password:") );
    $align           = $factory->createRight($hbox);
    my $password1    = $factory->createInputField($align, "", 1);

    ## user 'Login Shell'
    $hbox            = $factory->createHBox($layout);
    $align           = $factory->createLeft($hbox);
    $factory->createLabel($align, N("Login Shell:") );
    $align           = $factory->createRight($hbox);
    my $loginShell   = $factory->createComboBox($align, "", 0);
    my $itemColl = new yui::YItemCollection;
    foreach my $shell (@shells) {
            my $item = new yui::YItem ($shell, 0);
            $itemColl->push($item);
            $item->DISOWN();
    }
    $loginShell->addItems($itemColl);

    ##### add a separator
    ## Create Home directory
    $hbox            = $factory->createHBox($layout);
    $align           = $factory->createLeft($hbox);
    my $createHome = $factory->createCheckBox($align, N("Create Home Directory"), 1);
    ## Home directory
    $hbox            = $factory->createHBox($layout);
    $align           = $factory->createLeft($hbox);
    $factory->createLabel($align, N("Home Directory:") );
    $align           = $factory->createRight($hbox);
    my $homeDir      = $factory->createInputField($align, "", 0);
    
    # Create private group
    $hbox            = $factory->createHBox($layout);
    $align           = $factory->createLeft($hbox);
    my $createGroup = $factory->createCheckBox($align, N("Create a private group for the user"), 1);
    
    # Specify user id manually
    $hbox            = $factory->createHBox($layout);
    $align           = $factory->createLeft($hbox);
    my $uidManually  = $factory->createCheckBox($align, N("Specify user ID manually"), 0);
    $align           = $factory->createRight($hbox);
   
    my $UID = $factory->createIntField($align, N("UID"), 1, 65000, 500);
    $UID->setEnabled($uidManually->value());
    $uidManually->setNotify(1);

    ## user 'icon'
    $hbox        = $factory->createHBox($layout);
    $factory->createLabel($hbox, N("Click on icon to change it") );
    my $iconFace = AdminPanel::Users::users::GetFaceIcon();
    my $icon = $factory->createPushButton($hbox, "");
    $icon->setIcon(AdminPanel::Users::users::face2png($iconFace)); 
    $icon->setLabel($iconFace);

    $hbox            = $factory->createHBox($layout);
    $align           = $factory->createRight($hbox);
    my $cancelButton = $factory->createPushButton($align, N("Cancel"));
    my $okButton     = $factory->createPushButton($hbox,  N("Ok"));
    while(1) {
        my $event     = $dlg->waitForEvent();
        my $eventType = $event->eventType();
        
        #event type checking
        if ($eventType == $yui::YEvent::CancelEvent) {
            last;
        }
        elsif ($eventType == $yui::YEvent::WidgetEvent) {
            # widget selected
            my $widget = $event->widget();
            if ($widget == $cancelButton) {
                last;
            }
            elsif ($widget == $icon) {
                my $iconLabel = $icon->label();
                $iconLabel =~ s/&//; #remove shortcut from label

                my $nextIcon = GetFaceIcon($icon->label(), 1);
                $icon->setLabel($nextIcon);
                $icon->setIcon(AdminPanel::Users::users::face2png($nextIcon));
            }
            elsif ($widget == $uidManually) {
                # UID inserction enabled?
                $UID->setEnabled($uidManually->value());
            }
            elsif ($widget == $loginName) {
                my $username = $loginName->value();
                $homeDir->setValue("/home/$username");
            }
            elsif ($widget == $okButton) {
                ## check data
                my $username = $loginName->value();
                my ($continue, $errorString) = valid_username($username);
                my $nm = $continue && $self->ctx->LookupUserByName($username);
                if ($nm) {
                    $loginName->setValue("");
                    $homeDir->setValue("");
                    $errorString = N("User already exists, please choose another User Name");
                    $continue = 0;
                }
                my $passwd = $continue && $password->value();
                if ($continue && $passwd ne $password1->value()) {
                    $errorString = N("Password Mismatch");
                    $continue = 0;
                }
                my $sec = security::level::get();
                if ($sec > 3 && length($passwd) < 6) {
                    $errorString = N("This password is too simple. \n Good passwords should be > 6 characters");
                    $continue = 0;
                }
                my $userEnt = $continue && $self->ctx->InitUser($username, $is_system);
                if ($continue && $createHome->value()) {
                    $dontcreatehomedir = 0;
                    my $homedir = $homeDir->value();
                    $userEnt and $userEnt->HomeDir($homedir);
                } else {
                    $dontcreatehomedir = 1;
                }
                my $uid = 0;
                if ($continue && $uidManually->value()) {
                    if (($uid = $UID->value()) < 500) {
                        $errorString = "";
                        my $uidchoice = AdminPanel::Shared::ask_YesOrNo(N("User Uid is < 500"),
                                        N("Creating a user with a UID less than 500 is not recommended.\nAre you sure you want to do this?\n\n")); 
                        $continue = $uidchoice and $userEnt->Uid($uid);
                    } else { 
                        $userEnt and $userEnt->Uid($uid);
                    }
                }
                my $gid = 0;
                if ($createGroup->value()) {
                    if ($continue) {
                        #Check if group exist
                        my $gr = $self->ctx->LookupGroupByName($username);
                        if ($gr) { 
                            my $groupchoice = ChooseGroup();
                            if ($groupchoice == 0 ) {
                                #You choose to put it in the existing group
                                $gid = $gr->Gid($self->USER_GetValue);
                            } elsif ($groupchoice == 1) {
                                # Put it in 'users' group
                                log::explanations(N("Putting %s to 'users' group",
                                                    $username));
                                $gid = AdminPanel::Users::users::Add2UsersGroup($username, $self->ctx);
                            }
                            else {
                                $errorString = "";
                                $continue = 0;
                            }
                        } else { 
                            #it's a new group: Add it
                            my $newgroup = $self->ctx->InitGroup($username,$is_system);
                            log::explanations(N("Creating new group: %s", $username));
                            $gid = $newgroup->Gid($self->USER_GetValue);
                            $self->ctx->GroupAdd($newgroup);
                        }
                    }
                } else {
                    $continue and $gid = AdminPanel::Users::users::Add2UsersGroup($username, $self->ctx);
                }



                if (!$continue) {
                    #---rasie error
                    AdminPanel::Shared::msgBox($errorString) if ($errorString);
                }
                else {
                    ## OK let's create the user
                    print N("Adding user: ") . $username . " \n";
                    log::explanations(N("Adding user: %s"), $username);
                    my $loginshell = $loginShell->value();
                    my $fullname   = $fullName->value();
                    $userEnt->Gecos($fullname);  $userEnt->LoginShell($loginshell);
                    $userEnt->Gid($gid);
                    $userEnt->ShadowMin(-1); $userEnt->ShadowMax(99999);
                    $userEnt->ShadowWarn(-1); $userEnt->ShadowInact(-1);
                    $self->ctx->UserAdd($userEnt, $is_system, $dontcreatehomedir);
                    $self->ctx->UserSetPass($userEnt, $passwd);
###  TODO Migration wizard
#                     defined $us->{o}{iconval} and
#                         AdminPanel::Users::users::addKdmIcon($u{username}, $us->{o}{iconval});
#                     Refresh($sysfilter, $stringsearch);
#                     transfugdrake::get_windows_disk()
#                         and $in->ask_yesorno(N("Migration wizard"),
#                                             N("Do you want to run the migration wizard in order to import Windows documents and settings in your Mageia distribution?"))
#                             and run_program::raw({ detach => 1 }, 'transfugdrake');


                    last;
                }
            }
        }
    }

    destroy $dlg;
    
    #restore old application title
    yui::YUI::app()->setApplicationTitle($appTitle);
}

#=============================================================

=head2 _createUserTable

=head3 INPUT

    $self: this object

=head3 DESCRIPTION

This function create the User table to be added to the replace 
point of the tab widget. Note this function is meant for internal 
use only

=cut

#=============================================================
sub _createUserTable {
    my $self = shift;

    $self->dialog->startMultipleChanges();
    $self->get_widget('replace_pnt')->deleteChildren();
    my $parent = $self->get_widget('replace_pnt');
    my $factory      = yui::YUI::widgetFactory;
    my $yTableHeader = new yui::YTableHeader();
    $yTableHeader->addColumn(N("User Name"),      $yui::YAlignBegin);
    $yTableHeader->addColumn(N("User ID"),        $yui::YAlignBegin);
    $yTableHeader->addColumn(N("Primary Group"),  $yui::YAlignBegin);
    $yTableHeader->addColumn(N("Full Name"),      $yui::YAlignBegin);
    $yTableHeader->addColumn(N("Login Shell"),    $yui::YAlignBegin);
    $yTableHeader->addColumn(N("Home Directory"), $yui::YAlignBegin);
    $yTableHeader->DISOWN();
    
    $self->set_widget(table => $factory->createTable($parent, $yTableHeader));

    $self->get_widget('table')->setImmediateMode(1);
    $self->get_widget('table')->DISOWN();
    $self->get_widget('replace_pnt')->showChild();
    $self->dialog->recalcLayout();
    $self->dialog->doneMultipleChanges();
    $self->_refreshUsers();
}

#=============================================================

=head2 _createGroupTable

=head3 INPUT

    $self: this object

=head3 DESCRIPTION

This function create the Group table to be added to the replace 
point of the tab widget. Note this function is meant for internal 
use only


=cut

#=============================================================
sub _createGroupTable {
    my $self = shift;


    $self->dialog->startMultipleChanges();
    $self->get_widget('replace_pnt')->deleteChildren();
    my $parent = $self->get_widget('replace_pnt');
    my $factory      = yui::YUI::widgetFactory;
    my $yTableHeader = new yui::YTableHeader();
    $yTableHeader->addColumn(N("Group Name"),     $yui::YAlignBegin);
    $yTableHeader->addColumn(N("Group ID"),       $yui::YAlignBegin);
    $yTableHeader->addColumn(N("Group Members"),  $yui::YAlignBegin);
    $yTableHeader->DISOWN();

    $self->set_widget(table => $factory->createTable($parent, $yTableHeader));
   
    $self->get_widget('table')->setImmediateMode(1);
    $self->get_widget('table')->DISOWN();
    $self->get_widget('replace_pnt')->showChild();
    $self->dialog->recalcLayout();
    $self->dialog->doneMultipleChanges(); 
    $self->_refreshGroups();
}


#=============================================================

=head2 _computeLockExpire

=head3 INPUT

    $l: login user info

=head3 OUTPUT

    $status: Locked, Expired, or empty string

=head3 DESCRIPTION

    This method returns if the login is Locked, Expired or ok.
    Note this function is meant for internal use only

=cut

#=============================================================
sub _computeLockExpire {
    my ( $self, $l ) = @_;
    my $ep = $l->ShadowExpire($self->USER_GetValue);
    my $tm = ceil(time()/(24*60*60));
    $ep = -1 if int($tm) <= $ep;
    my $status = $self->ctx->IsLocked($l) ? N("Locked") : ($ep != -1 ? N("Expired") : '');
    $status;
}

#=============================================================

=head2 _refreshUsers

=head3 INPUT

    $self: this object

=head3 DESCRIPTION

    This method refresh user info into User tab widget.
    Note this function is meant for internal use only

=cut

#=============================================================
sub _refreshUsers {
    my $self = shift;

    my $strfilt = $self->get_widget('filter')->value();
    my $filterusers = $self->get_widget('filter_system')->isChecked();
    
    my ($users, $group, $groupnm, $expr); 
    defined $self->ctx and $users = $self->ctx->UsersEnumerateFull;

    $self->dialog->startMultipleChanges();

    $self->get_widget('table')->deleteAllItems();

    my @UserReal;
  LOOP: foreach my $l (@$users) {
        next LOOP if $filterusers && $l->Uid($self->USER_GetValue) <= 499 || $l->Uid($self->USER_GetValue) == 65534;
        push @UserReal, $l if $l->UserName($self->USER_GetValue) =~ /^\Q$strfilt/;
    }
    my $i;
    my $itemColl = new yui::YItemCollection;
    foreach my $l (@UserReal) {
        $i++;
        my $uid = $l->Uid($self->USER_GetValue);
        if (!defined $uid) {
         warn "bogus user at line $i\n";
         next;
        }
        my $a = $l->Gid($self->USER_GetValue);
        $group = $self->ctx->LookupGroupById($a);
        $groupnm = '';
        $expr = $self->_computeLockExpire($l);
        $group and $groupnm = $group->GroupName($self->USER_GetValue); 
        my $s = $l->Gecos($self->USER_GetValue);
        c::set_tagged_utf8($s);
        my $username = $l->UserName($self->USER_GetValue);
        my $Uid      = $l->Uid($self->USER_GetValue);
        my $shell    = $l->LoginShell($self->USER_GetValue);
        my $homedir  = $l->HomeDir($self->USER_GetValue); 
        my $item = new yui::YTableItem ("$username",
                                        "$Uid",
                                        "$groupnm",
                                        "$s",
                                        "$shell",
                                        "$homedir",
                                        "$expr");
        # TODO workaround to get first cell at least until we don't
        # a cast from YItem
        $item->setLabel( $username );
        $itemColl->push($item);
        $item->DISOWN();
    }
    $self->get_widget('table')->addItems($itemColl);
    my $item = $self->get_widget('table')->selectedItem();
    $self->get_widget('table')->selectItem($item, 0);
    $self->_refreshActions();
    $self->dialog->recalcLayout();
    $self->dialog->doneMultipleChanges(); 
}

#=============================================================

=head2 _refreshGroups

=head3 INPUT

    $self: this object

=head3 DESCRIPTION

    This method refresh group info into Group tab widget.
    Note this function is meant for internal use only

=cut

#=============================================================
sub _refreshGroups {
    my $self = shift;

    my $strfilt = $self->get_widget('filter')->value();
    my $filtergroups = $self->get_widget('filter_system')->isChecked();

    my $groups;
    defined $self->ctx and $groups = $self->ctx->GroupsEnumerateFull;

    $self->dialog->startMultipleChanges();
    $self->get_widget('table')->deleteAllItems();    

    my @GroupReal;
  LOOP: foreach my $g (@$groups) {
        next LOOP if $filtergroups && $g->Gid($self->USER_GetValue) <= 499 || $g->Gid($self->USER_GetValue) == 65534;
        push @GroupReal, $g if $g->GroupName($self->USER_GetValue) =~ /^\Q$strfilt/;
    }

    my $itemColl = new yui::YItemCollection;
    foreach my $g (@GroupReal) {
     my $a = $g->GroupName($self->USER_GetValue);
        #my $group = $ctx->LookupGroupById($a);
        my $u_b_g = $a && $self->ctx->EnumerateUsersByGroup($a);
        my $listUbyG  = join(',', @$u_b_g);
        my $group_id  = $g->Gid($self->USER_GetValue);
        my $groupname = $g->GroupName($self->USER_GetValue);
        my $item      = new yui::YTableItem ("$groupname",
                                             "$group_id",
                                             "$listUbyG");
        $itemColl->push($item);
        $item->DISOWN();
    }

    $self->get_widget('table')->addItems($itemColl);
    my $item = $self->get_widget('table')->selectedItem();
    $self->get_widget('table')->selectItem($item, 0);
    $self->_refreshActions();
    $self->dialog->recalcLayout();
    $self->dialog->doneMultipleChanges(); 
}


sub _deleteUserOrGroup {
    my $self = shift;

    # TODO item management avoid label if possible
    my $label = $self->_skipShortcut($self->get_widget('tabs')->selectedItem()->label());
    if ($label eq N("Users") ) {
        $self->_deleteUserDialog();
        $self->_refresh();
    }
    else {

        $self->_refresh();
    }
}


sub _refresh {
    my $self = shift;

    # TODO item management avoid label if possible
    my $label = $self->_skipShortcut($self->get_widget('tabs')->selectedItem()->label());
    if ($label eq N("Users") ) {
        $self->_refreshUsers(); 
    }
    else {
        $self->_refreshGroups();
    }
# TODO xguest
#     RefreshXguest(1);
}

sub _refreshActions {
    my $self = shift;
    
    my $item = $self->get_widget('table')->selectedItem();
    $self->dialog->startMultipleChanges();
    $self->get_widget('action_menu')->deleteAllItems();
    
    # do we need to undef them first?
    $self->set_action_menu(
            add_user  => undef, 
            add_group => undef,
            edit      => undef,
            del       => undef,
            inst      => undef,
    );
    $self->set_action_menu(
            add_user  => new yui::YMenuItem(N("Add User")), 
            add_group => new yui::YMenuItem(N("Add Group")),
            edit      => new yui::YMenuItem(N("Edit")),
            del       => new yui::YMenuItem(N("Delete")),
            inst      => new yui::YMenuItem(N("Install guest account")),
    );

    my $itemColl = new yui::YItemCollection;
    for my $pair ( $self->action_menu_pairs ) {
        my $menuItem = $pair->[1];
        if ($pair->[0] eq 'edit' || $pair->[0] eq 'del') {
            if ($item) {
                $itemColl->push($menuItem);
            }
        }
        else {
            $itemColl->push($menuItem);           
        }
        $menuItem->DISOWN();
    }
    $self->get_widget('action_menu')->addItems($itemColl);
    $self->get_widget('action_menu')->rebuildMenuTree();
    if ($item) {
        $self->get_widget('edit')->setEnabled();
        $self->get_widget('del')->setEnabled();
    }
    else {
        $self->get_widget('edit')->setDisabled();
        $self->get_widget('del')->setDisabled();
    }

    $self->dialog->doneMultipleChanges();
}


sub manageUsersDialog {
    my $self = shift;

    ## TODO fix for adminpanel
    my $pixdir = '/usr/share/userdrake/pixmaps/';
    ## push application title
    my $appTitle = yui::YUI::app()->applicationTitle();
    ## set new title to get it in dialog
    yui::YUI::app()->setApplicationTitle(N("Mageia Users Management Tool"));

    my $factory  = yui::YUI::widgetFactory;
    my $optional = yui::YUI::optionalWidgetFactory;
    

    $self->dialog($factory->createMainDialog());
    my $layout    = $factory->createVBox($self->dialog);

    my $hbox_headbar = $factory->createHBox($layout);
    my $head_align_left = $factory->createLeft($hbox_headbar);
    my $head_align_right = $factory->createRight($hbox_headbar);
    my $headbar = $factory->createHBox($head_align_left);
    my $headRight = $factory->createHBox($head_align_right);

    my %fileMenu = (
            widget  => $factory->createMenuButton($headbar,N("File")),
            refresh => new yui::YMenuItem(N("Refresh")), 
            quit    => new yui::YMenuItem(N("Quit")),
    );

    $fileMenu{ widget }->addItem($fileMenu{ refresh });
    $fileMenu{ widget }->addItem($fileMenu{ quit });
    $fileMenu{ widget }->rebuildMenuTree();
   
    my $actionMenu = $factory->createMenuButton($headbar, N("Actions"));
    $actionMenu->DISOWN();
    
    my %helpMenu = (
            widget     => $factory->createMenuButton($headRight, N("Help")),
            help       => new yui::YMenuItem(N("Help")), 
            report_bug => new yui::YMenuItem(N("Report Bug")),
            about      => new yui::YMenuItem(N("About")),
    );

    while ( my ($key, $value) = each(%helpMenu) ) {
        if ($key ne 'widget' ) {
            $helpMenu{ widget }->addItem($value);
        }
    }
    $helpMenu{ widget }->rebuildMenuTree();

    my $hbox    = $factory->createHBox($layout);
    $hbox       = $factory->createHBox($factory->createLeft($hbox));
    $self->set_widget(
        add_user    => $factory->createIconButton($hbox, $pixdir . 'user_add.png', N("Add User")),
        add_group   => $factory->createIconButton($hbox, $pixdir . 'group_add.png', N("Add Group")),
        edit        => $factory->createIconButton($hbox, $pixdir . 'user_conf.png', N("Edit")),
        del         => $factory->createIconButton($hbox, $pixdir . 'user_del.png', N("Delete")),
        refresh     => $factory->createIconButton($hbox, $pixdir . 'refresh.png', N("Refresh")),
        action_menu => $actionMenu,
    );
    

    $hbox                   = $factory->createHBox($layout);
    $head_align_left        = $factory->createLeft($hbox);
    $self->set_widget(filter_system => $factory->createCheckBox($head_align_left, N("Filter system users"), 1));
                              $factory->createHSpacing($hbox, 3);
    $head_align_right       = $factory->createRight($hbox);
    $headRight              = $factory->createHBox($head_align_right);
                              $factory->createLabel($headRight, N("Search:"));
    $self->set_widget(filter         => $factory->createInputField($headRight, "", 0));
    $self->set_widget(apply_filter  => $factory->createPushButton($headRight, N("Apply filter")));
    $self->get_widget('filter')->setWeight($yui::YD_HORIZ, 2);
    $self->get_widget('apply_filter')->setWeight($yui::YD_HORIZ, 1);
    $self->get_widget('filter_system')->setNotify(1);

    my %tabs;
    if ($optional->hasDumbTab()) {
        $hbox = $factory->createHBox($layout);
        my $align = $factory->createHCenter($hbox);
        $self->set_widget(tabs => $optional->createDumbTab($align));
        $tabs{users} = new yui::YItem(N("Users"));
        $tabs{users}->setSelected();
        $self->get_widget('tabs')->addItem( $tabs{users} );
        $tabs{users}->DISOWN();
        $tabs{groups} = new yui::YItem(N("Groups"));
        $self->get_widget('tabs')->addItem( $tabs{groups} );
        $tabs{groups}->DISOWN();
        my $vbox        = $factory->createVBox($self->get_widget('tabs'));
        $align          = $factory->createLeft($vbox);
        $self->set_widget(replace_pnt =>  $factory->createReplacePoint($align));
        $self->_createUserTable();
        $self->get_widget('table')->setImmediateMode(1);
        $self->get_widget('table')->DISOWN();
    }
    
    $self->_refreshActions();
    
    # main loop
    while(1) {
        my $event     = $self->dialog->waitForEvent();
        my $eventType = $event->eventType();
        
        #event type checking
        if ($eventType == $yui::YEvent::CancelEvent) {
            last;
        }
        elsif ($eventType == $yui::YEvent::MenuEvent) {
### MENU ###
            my $item = $event->item();
            if ($item->label() eq $fileMenu{ quit }->label())  {
                last;
            }
            elsif ($item->label() eq $self->get_action_menu('add_user')->label())  {
                $self->addUserDialog();
                $self->_refresh();
            }
            elsif ($item->label() eq $self->get_action_menu('del')->label())  {
                $self->_deleteUserOrGroup();
            }
            elsif ($self->get_widget('tabs') && $item->label() eq  $tabs{groups}->label()) {
                $self->_createGroupTable();
            }
            elsif ($self->get_widget('tabs') && $item->label() eq  $tabs{users}->label()) {
                $self->_createUserTable();
            }
            elsif ($item->label() eq  $fileMenu{refresh}->label()) {
                $self->_refresh();
            }
        }
        elsif ($eventType == $yui::YEvent::WidgetEvent) {
### Buttons and widgets ###
            my $widget = $event->widget();
            if ($widget == $self->get_widget('add_user')) {
                $self->addUserDialog();
                $self->_refresh();
            }
            elsif ($widget == $self->get_widget('del')) {
                $self->_deleteUserOrGroup();
            }
            elsif ($widget == $self->get_widget('table')) {
                $self->_refreshActions();
            }
            elsif ( $widget == $self->get_widget('filter_system') || 
                    $widget == $self->get_widget('refresh') || 
                    $widget == $self->get_widget('apply_filter') ) {
                $self->_refresh();
            }
        }
    }

    $self->dialog->destroy() ;

    #restore old application title
    yui::YUI::app()->setApplicationTitle($appTitle);
}

#=============================================================

=head2 _skipShortcut

=head3 INPUT

    $self:  this object
    $label: an item label to be cleaned by keyboard shortcut "&"

=head3 OUTPUT

    $label: cleaned label 

=head3 DESCRIPTION

    This internal method is a workaround to label that are
    changed by "&" due to keyborad shortcut.

=cut

#=============================================================
sub _skipShortcut {
    my ($self, $label) = @_;

    $label =~ s/&// if ($label);

    return ($label);
}