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kde-playground/kdepim/kleopatra/dialogs/certificateselectiondialog.cpp
Ivailo Monev df5deda5e5 import working copies of kdepim and kdepimlibs
2015-04-14 21:49:29 +00:00

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/* -*- mode: c++; c-basic-offset:4 -*-
dialogs/certificateselectiondialog.cpp
This file is part of Kleopatra, the KDE keymanager
Copyright (c) 2008 Klarälvdalens Datakonsult AB
Kleopatra is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
Kleopatra 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
In addition, as a special exception, the copyright holders give
permission to link the code of this program with any edition of
the Qt library by Trolltech AS, Norway (or with modified versions
of Qt that use the same license as Qt), and distribute linked
combinations including the two. You must obey the GNU General
Public License in all respects for all of the code used other than
Qt. If you modify this file, you may extend this exception to
your version of the file, but you are not obligated to do so. If
you do not wish to do so, delete this exception statement from
your version.
*/
#include <config-kleopatra.h>
#include "certificateselectiondialog.h"
#include <view/searchbar.h>
#include <view/tabwidget.h>
#include <models/keylistmodel.h>
#include <models/keycache.h>
#include <commands/reloadkeyscommand.h>
#include <commands/lookupcertificatescommand.h>
#include <commands/newcertificatecommand.h>
#include <gpgme++/key.h>
#include <KLocalizedString>
#include <KConfigGroup>
#include <KSharedConfig>
#include <KDebug>
#include <QLabel>
#include <QPushButton>
#include <QDialogButtonBox>
#include <QItemSelectionModel>
#include <QAbstractItemView>
#include <QPointer>
#include <QVBoxLayout>
#include <boost/bind.hpp>
#include <algorithm>
using namespace Kleo;
using namespace Kleo::Dialogs;
using namespace Kleo::Commands;
using namespace boost;
using namespace GpgME;
class CertificateSelectionDialog::Private {
friend class ::Kleo::Dialogs::CertificateSelectionDialog;
CertificateSelectionDialog * const q;
public:
explicit Private( CertificateSelectionDialog * qq );
private:
void reload() {
Command * const cmd = new ReloadKeysCommand( 0 );
cmd->setParentWidget( q );
cmd->start();
}
void create() {
NewCertificateCommand * cmd = new NewCertificateCommand( 0 );
cmd->setParentWidget( q );
if ( ( options & AnyFormat ) != AnyFormat )
cmd->setProtocol( (options & OpenPGPFormat) ? OpenPGP : CMS );
cmd->start();
}
void lookup() {
Command * const cmd = new LookupCertificatesCommand( 0 );
cmd->setParentWidget( q );
cmd->start();
}
void slotKeysMayHaveChanged();
void slotCurrentViewChanged( QAbstractItemView * newView );
void slotSelectionChanged();
void slotDoubleClicked( const QModelIndex & idx );
private:
bool acceptable( const std::vector<Key> & keys ) {
return !keys.empty();
}
void filterAllowedKeys( std::vector<Key> & keys );
void updateLabelText() {
ui.label.setText( !customLabelText.isEmpty() ? customLabelText :
(options & MultiSelection)
? i18n( "Please select one or more of the following certificates:" )
: i18n( "Please select one of the following certificates:" ) );
}
private:
QPointer<QAbstractItemView> lastView;
QString customLabelText;
Options options;
struct UI {
QLabel label;
SearchBar searchBar;
TabWidget tabWidget;
QDialogButtonBox buttonBox;
QVBoxLayout vlay;
explicit UI( CertificateSelectionDialog * q )
: label( q ),
searchBar( q ),
tabWidget( q ),
buttonBox( q ),
vlay( q )
{
KDAB_SET_OBJECT_NAME( label );
KDAB_SET_OBJECT_NAME( searchBar );
KDAB_SET_OBJECT_NAME( tabWidget );
KDAB_SET_OBJECT_NAME( buttonBox );
KDAB_SET_OBJECT_NAME( vlay );
vlay.addWidget( &label );
vlay.addWidget( &searchBar );
vlay.addWidget( &tabWidget, 1 );
vlay.addWidget( &buttonBox );
QPushButton * const ok = buttonBox.addButton( QDialogButtonBox::Ok );
ok->setEnabled( false );
QPushButton * const cancel = buttonBox.addButton( QDialogButtonBox::Close );
Q_UNUSED( cancel );
QPushButton * const reload = buttonBox.addButton( i18n("Reload"), QDialogButtonBox::ActionRole );
QPushButton * const lookup = buttonBox.addButton( i18n("Lookup..."), QDialogButtonBox::ActionRole );
QPushButton * const create = buttonBox.addButton( i18n("New..."), QDialogButtonBox::ActionRole );
lookup->setToolTip( i18nc("@info:tooltip","Lookup certificates on server") );
reload->setToolTip( i18nc("@info:tooltip","Refresh certificate list") );
create->setToolTip( i18nc("@info:tooltip","Create a new certificate") );
connect( &buttonBox, SIGNAL(accepted()), q, SLOT(accept()) );
connect( &buttonBox, SIGNAL(rejected()), q, SLOT(reject()) );
connect( reload, SIGNAL(clicked()), q, SLOT(reload()) );
connect( lookup, SIGNAL(clicked()), q, SLOT(lookup()) );
connect( create, SIGNAL(clicked()), q, SLOT(create()) );
connect( KeyCache::instance().get(), SIGNAL(keysMayHaveChanged()),
q, SLOT(slotKeysMayHaveChanged()) );
}
} ui;
};
CertificateSelectionDialog::Private::Private( CertificateSelectionDialog * qq )
: q( qq ),
ui( q )
{
ui.tabWidget.setFlatModel( AbstractKeyListModel::createFlatKeyListModel() );
ui.tabWidget.setHierarchicalModel( AbstractKeyListModel::createHierarchicalKeyListModel() );
ui.tabWidget.connectSearchBar( &ui.searchBar );
connect( &ui.tabWidget, SIGNAL(currentViewChanged(QAbstractItemView*)),
q, SLOT(slotCurrentViewChanged(QAbstractItemView*)) );
updateLabelText();
q->setWindowTitle( i18n( "Certificate Selection" ) );
}
CertificateSelectionDialog::CertificateSelectionDialog( QWidget * parent, Qt::WindowFlags f )
: QDialog( parent, f ), d( new Private( this ) )
{
const KSharedConfig::Ptr config = KSharedConfig::openConfig( QLatin1String("kleopatracertificateselectiondialogrc") );
d->ui.tabWidget.loadViews( config.data() );
const KConfigGroup geometry( config, "Geometry" );
resize( geometry.readEntry( "size", size() ) );
d->slotKeysMayHaveChanged();
}
CertificateSelectionDialog::~CertificateSelectionDialog() {}
void CertificateSelectionDialog::setCustomLabelText( const QString & txt ) {
if ( txt == d->customLabelText )
return;
d->customLabelText = txt;
d->updateLabelText();
}
QString CertificateSelectionDialog::customLabelText() const {
return d->customLabelText;
}
void CertificateSelectionDialog::setOptions( Options options ) {
if ( d->options == options )
return;
d->options = options;
d->ui.tabWidget.setMultiSelection( options & MultiSelection );
d->slotKeysMayHaveChanged();
}
CertificateSelectionDialog::Options CertificateSelectionDialog::options() const {
return d->options;
}
void CertificateSelectionDialog::setStringFilter( const QString & filter ) {
d->ui.tabWidget.setStringFilter( filter );
}
void CertificateSelectionDialog::setKeyFilter( const shared_ptr<KeyFilter> & filter ) {
d->ui.tabWidget.setKeyFilter( filter );
}
void CertificateSelectionDialog::selectCertificates( const std::vector<Key> & keys ) {
const QAbstractItemView * const view = d->ui.tabWidget.currentView();
if ( !view )
return;
const KeyListModelInterface * const model = dynamic_cast<KeyListModelInterface*>( view->model() );
assert( model );
QItemSelectionModel * const sm = view->selectionModel();
assert( sm );
Q_FOREACH( const QModelIndex & idx, model->indexes( keys ) )
if ( idx.isValid() )
sm->select( idx, QItemSelectionModel::Select | QItemSelectionModel::Rows );
}
void CertificateSelectionDialog::selectCertificate( const Key & key ) {
selectCertificates( std::vector<Key>( 1, key ) );
}
std::vector<Key> CertificateSelectionDialog::selectedCertificates() const {
const QAbstractItemView * const view = d->ui.tabWidget.currentView();
if ( !view )
return std::vector<Key>();
const KeyListModelInterface * const model = dynamic_cast<KeyListModelInterface*>( view->model() );
assert( model );
const QItemSelectionModel * const sm = view->selectionModel();
assert( sm );
return model->keys( sm->selectedRows() );
}
Key CertificateSelectionDialog::selectedCertificate() const {
const std::vector<Key> keys = selectedCertificates();
return keys.empty() ? Key() : keys.front() ;
}
void CertificateSelectionDialog::hideEvent( QHideEvent * e ) {
KSharedConfig::Ptr config = KSharedConfig::openConfig( QLatin1String("kleopatracertificateselectiondialogrc") );
d->ui.tabWidget.saveViews( config.data() );
KConfigGroup geometry( config, "Geometry" );
geometry.writeEntry( "size", size() );
QDialog::hideEvent( e );
}
void CertificateSelectionDialog::Private::slotKeysMayHaveChanged() {
q->setEnabled( true );
std::vector<Key> keys = (options & SecretKeys) ? KeyCache::instance()->secretKeys() : KeyCache::instance()->keys() ;
filterAllowedKeys( keys );
const std::vector<Key> selected = q->selectedCertificates();
if ( AbstractKeyListModel * const model = ui.tabWidget.flatModel() )
model->setKeys( keys );
if ( AbstractKeyListModel * const model = ui.tabWidget.hierarchicalModel() )
model->setKeys( keys );
q->selectCertificates( selected );
}
void CertificateSelectionDialog::Private::filterAllowedKeys( std::vector<Key> & keys ) {
std::vector<Key>::iterator end = keys.end();
switch ( options & AnyFormat ) {
case OpenPGPFormat:
end = std::remove_if( keys.begin(), end, boost::bind( &Key::protocol, _1 ) != GpgME::OpenPGP );
break;
case CMSFormat:
end = std::remove_if( keys.begin(), end, boost::bind( &Key::protocol, _1 ) != GpgME::CMS );
break;
default:
case AnyFormat:
;
}
switch ( options & AnyCertificate ) {
case SignOnly:
end = std::remove_if( keys.begin(), end, !boost::bind( &Key::canReallySign, _1 ) );
break;
case EncryptOnly:
end = std::remove_if( keys.begin(), end, !boost::bind( &Key::canEncrypt, _1 ) );
break;
default:
case AnyCertificate:
;
}
if ( options & SecretKeys )
end = std::remove_if( keys.begin(), end, !boost::bind( &Key::hasSecret, _1 ) );
keys.erase( end, keys.end() );
}
void CertificateSelectionDialog::Private::slotCurrentViewChanged( QAbstractItemView * newView ) {
if ( lastView ) {
disconnect( lastView, SIGNAL(doubleClicked(QModelIndex)),
q, SLOT(slotDoubleClicked(QModelIndex)) );
assert( lastView->selectionModel() );
disconnect( lastView->selectionModel(), SIGNAL(selectionChanged(QItemSelection,QItemSelection)),
q, SLOT(slotSelectionChanged()) );
}
lastView = newView;
if ( newView ) {
connect( newView, SIGNAL(doubleClicked(QModelIndex)),
q, SLOT(slotDoubleClicked(QModelIndex)) );
assert( newView->selectionModel() );
connect( newView->selectionModel(), SIGNAL(selectionChanged(QItemSelection,QItemSelection)),
q, SLOT(slotSelectionChanged()) );
}
slotSelectionChanged();
}
void CertificateSelectionDialog::Private::slotSelectionChanged() {
if ( QPushButton * const pb = ui.buttonBox.button( QDialogButtonBox::Ok ) )
pb->setEnabled( acceptable( q->selectedCertificates() ) );
}
void CertificateSelectionDialog::Private::slotDoubleClicked( const QModelIndex & idx ) {
QAbstractItemView * const view = ui.tabWidget.currentView();
assert( view );
const KeyListModelInterface * const model = dynamic_cast<KeyListModelInterface*>( view->model() );
assert( model );
Q_UNUSED( model );
QItemSelectionModel * const sm = view->selectionModel();
assert( sm );
sm->select( idx, QItemSelectionModel::ClearAndSelect|QItemSelectionModel::Rows );
QMetaObject::invokeMethod( q, "accept", Qt::QueuedConnection );
}
void CertificateSelectionDialog::accept() {
if ( d->acceptable( selectedCertificates() ) )
QDialog::accept();
}
#include "moc_certificateselectiondialog.cpp"
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