kleopatra/dialogs/lookupcertificatesdialog.cpp

   1 /* -*- mode: c++; c-basic-offset:4 -*-
   2     dialogs/lookupcertificatesdialog.cpp
   3
   4     This file is part of Kleopatra, the KDE keymanager
   5     Copyright (c) 2008 Klarälvdalens Datakonsult AB
   6
   7     Kleopatra is free software; you can redistribute it and/or modify
   8     it under the terms of the GNU General Public License as published by
   9     the Free Software Foundation; either version 2 of the License, or
  10     (at your option) any later version.
  11
  12     Kleopatra is distributed in the hope that it will be useful,
  13     but WITHOUT ANY WARRANTY; without even the implied warranty of
  14     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15     General Public License for more details.
  16
  17     You should have received a copy of the GNU General Public License
  18     along with this program; if not, write to the Free Software
  19     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  20
  21     In addition, as a special exception, the copyright holders give
  22     permission to link the code of this program with any edition of
  23     the Qt library by Trolltech AS, Norway (or with modified versions
  24     of Qt that use the same license as Qt), and distribute linked
  25     combinations including the two.  You must obey the GNU General
  26     Public License in all respects for all of the code used other than
  27     Qt.  If you modify this file, you may extend this exception to
  28     your version of the file, but you are not obligated to do so.  If
  29     you do not wish to do so, delete this exception statement from
  30     your version.
  31 */
  32
  33 #include <config-kleopatra.h>
  34
  35 #include "lookupcertificatesdialog.h"
  36
  37 #include "ui_lookupcertificatesdialog.h"
  38
  39 #include <models/keylistmodel.h>
  40 #include <models/keylistsortfilterproxymodel.h>
  41
  42 #include <utils/headerview.h>
  43
  44 #include <kleo/stl_util.h>
  45
  46 #include <gpgme++/key.h>
  47
  48 #include <KLineEdit>
  49 #include <KLocale>
  50
  51 #include <QTreeView>
  52 #include <QLayout>
  53 #include <QPushButton>
  54 #include <QHeaderView>
  55 #include <QLabel>
  56
  57 #include <boost/bind.hpp>
  58
  59 #include <cassert>
  60
  61 using namespace Kleo;
  62 using namespace Kleo::Dialogs;
  63 using namespace GpgME;
  64 using namespace boost;
  65
  66 static const int minimalSearchTextLength = 2; // ### TODO: make that KIOSK-able
  67
  68 class LookupCertificatesDialog::Private {
  69     friend class ::Kleo::Dialogs::LookupCertificatesDialog;
  70     LookupCertificatesDialog * const q;
  71 public:
  72     explicit Private( LookupCertificatesDialog * qq );
  73     ~Private();
  74
  75 private:
  76     void slotSelectionChanged() {
  77         enableDisableWidgets();
  78     }
  79     void slotSearchTextChanged() {
  80         enableDisableWidgets();
  81     }
  82     void slotSearchClicked() {
  83         emit q->searchTextChanged( ui.findED->text() );
  84     }
  85     void slotDetailsClicked() {
  86         assert( q->selectedCertificates().size() == 1 );
  87         emit q->detailsRequested( q->selectedCertificates().front() );
  88     }
  89     void slotSaveAsClicked() {
  90         emit q->saveAsRequested( q->selectedCertificates() );
  91     }
  92
  93     void enableDisableWidgets();
  94
  95     QString searchText() const { return ui.findED->text().trimmed(); }
  96     QModelIndexList selectedIndexes() const {
  97         if ( const QItemSelectionModel * const sm = ui.resultTV->selectionModel() )
  98             return sm->selectedRows();
  99         else
 100             return QModelIndexList();
 101     }
 102     unsigned int numSelectedCertificates() const {
 103         return selectedIndexes().size();
 104     }
 105 private:
 106     AbstractKeyListModel * model;
 107     KeyListSortFilterProxyModel proxy;
 108     bool passive;
 109
 110     struct Ui : Ui_LookupCertificatesDialog {
 111
 112         explicit Ui( LookupCertificatesDialog * q )
 113             : Ui_LookupCertificatesDialog()
 114         {
 115             setupUi( q );
 116
 117             saveAsPB->hide(); // ### not yet implemented in LookupCertificatesCommand
 118
 119             findED->setClearButtonShown( true );
 120
 121             importPB()->setText( i18n("Import") );
 122             importPB()->setEnabled( false );
 123
 124             HeaderView * hv = new HeaderView( Qt::Horizontal );
 125             KDAB_SET_OBJECT_NAME( hv );
 126             resultTV->setHeader( hv );
 127
 128             connect( resultTV,   SIGNAL(doubleClicked(QModelIndex)),
 129                      importPB(), SLOT(animateClick()) );
 130
 131             findED->setFocus();
 132         }
 133
 134         QPushButton * importPB() const { return buttonBox->button( QDialogButtonBox::Save ); }
 135         QPushButton * closePB()  const { return buttonBox->button( QDialogButtonBox::Close ); }
 136     } ui;
 137 };
 138
 139 LookupCertificatesDialog::Private::Private( LookupCertificatesDialog * qq )
 140     : q( qq ),
 141       model( AbstractKeyListModel::createFlatKeyListModel() ),
 142       proxy(),
 143       passive( false ),
 144       ui( q )
 145 {
 146     KDAB_SET_OBJECT_NAME( model );
 147     KDAB_SET_OBJECT_NAME( proxy );
 148
 149     proxy.setSourceModel( model );
 150     ui.resultTV->setModel( &proxy );
 151
 152     connect( ui.resultTV->selectionModel(), SIGNAL(selectionChanged(QItemSelection,QItemSelection)),
 153              q, SLOT(slotSelectionChanged()) );
 154 }
 155
 156 LookupCertificatesDialog::Private::~Private() {}
 157
 158 LookupCertificatesDialog::LookupCertificatesDialog( QWidget * p, Qt::WindowFlags f )
 159     : QDialog( p, f ), d( new Private( this ) )
 160 {
 161
 162 }
 163
 164 LookupCertificatesDialog::~LookupCertificatesDialog() {}
 165
 166 void LookupCertificatesDialog::setCertificates( const std::vector<Key> & certs ) {
 167     d->model->setKeys( certs );
 168     d->ui.resultTV->header()->resizeSections( QHeaderView::ResizeToContents );
 169     d->ui.resultTV->setFocus();
 170 }
 171
 172 std::vector<Key> LookupCertificatesDialog::selectedCertificates() const {
 173     return d->proxy.keys( d->selectedIndexes() );
 174 }
 175
 176 void LookupCertificatesDialog::setPassive( bool on ) {
 177     if ( d->passive == on )
 178         return;
 179     d->passive = on;
 180     d->enableDisableWidgets();
 181 }
 182
 183 bool LookupCertificatesDialog::isPassive() const {
 184     return d->passive;
 185 }
 186
 187 void LookupCertificatesDialog::accept() {
 188     assert( !d->selectedIndexes().empty() );
 189     emit importRequested( selectedCertificates() );
 190     QDialog::accept();
 191 }
 192
 193 void LookupCertificatesDialog::Private::enableDisableWidgets() {
 194     // enable/disable everything except 'close', based on passive:
 195     Q_FOREACH( QObject * const o, q->children() )
 196         if ( QWidget * const w = qobject_cast<QWidget*>( o ) )
 197             w->setDisabled( passive && w != ui.closePB() && w != ui.buttonBox );
 198
 199     if ( passive )
 200         return;
 201
 202     ui.findPB->setEnabled( searchText().length() > minimalSearchTextLength );
 203
 204     const unsigned int n = numSelectedCertificates();
 205
 206     ui.detailsPB->setEnabled(  n == 1 );
 207     ui.saveAsPB->setEnabled(   n == 1 );
 208     ui.importPB()->setEnabled( n != 0 );
 209     ui.importPB()->setDefault( false ); // otherwise Import becomes default button if enabled and return triggers both a search and accept()
 210 }
 211
 212 #include "moc_lookupcertificatesdialog.cpp"
 213