kde-playground/kdepim/kaddressbook/contactswitcher.cpp
2015-04-14 21:49:29 +00:00

132 lines
4.2 KiB
C++

/*
Copyright (c) 2009 Tobias Koenig <tokoe@kde.org>
This library is free software; you can redistribute it and/or modify it
under the terms of the GNU Library General Public License as published by
the Free Software Foundation; either version 2 of the License, or (at your
option) any later version.
This library 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 Library General Public
License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
*/
#include "contactswitcher.h"
#include <KLocalizedString>
#include <QAbstractItemView>
#include <QHBoxLayout>
#include <QLabel>
#include <QPushButton>
ContactSwitcher::ContactSwitcher( QWidget *parent )
: QWidget( parent ), mView( 0 )
{
QHBoxLayout *layout = new QHBoxLayout( this );
mPreviousButton = new QPushButton( i18nc( "@action:button Previous contact", "Previous" ) );
mPreviousButton->setToolTip(
i18nc( "@info:tooltip", "Move to the previous contact in the list" ) );
mPreviousButton->setWhatsThis(
i18nc( "@info:whatsthis",
"Press this button to move to the previous contact in the list." ) );
mNextButton = new QPushButton( i18nc( "@action:button Next contact", "Next" ) );
mNextButton->setToolTip(
i18nc( "@info:tooltip", "Move to the next contact in the list" ) );
mNextButton->setWhatsThis(
i18nc( "@info:whatsthis",
"Press this button to move to the next contact in the list." ) );
mStatusLabel = new QLabel();
layout->addWidget( mPreviousButton );
layout->addWidget( mNextButton );
layout->addStretch( 1 );
layout->addWidget( mStatusLabel );
connect( mPreviousButton, SIGNAL(clicked()), SLOT(previousClicked()) );
connect( mNextButton, SIGNAL(clicked()), SLOT(nextClicked()) );
}
void ContactSwitcher::setView( QAbstractItemView *view )
{
mView = view;
Q_ASSERT_X( mView->model(), "ContactSwitcher::setView", "The view has no model set!" );
connect( mView->model(), SIGNAL(layoutChanged()), SLOT(updateStatus()) );
connect( mView->model(), SIGNAL(rowsInserted(QModelIndex,int,int)), SLOT(updateStatus()) );
connect( mView->model(), SIGNAL(rowsRemoved(QModelIndex,int,int)), SLOT(updateStatus()) );
connect( mView->selectionModel(), SIGNAL(selectionChanged(QItemSelection,QItemSelection)), SLOT(updateStatus()));
updateStatus();
}
void ContactSwitcher::nextClicked()
{
if ( !mView || !mView->model() ) {
return;
}
const QModelIndex index = mView->selectionModel()->currentIndex();
int row = 0;
if ( index.isValid() ) {
row = index.row() + 1;
}
mView->selectionModel()->setCurrentIndex( mView->model()->index( row, 0 ),
QItemSelectionModel::Rows |
QItemSelectionModel::ClearAndSelect );
updateStatus();
}
void ContactSwitcher::previousClicked()
{
if ( !mView || !mView->model() ) {
return;
}
const QModelIndex index = mView->selectionModel()->currentIndex();
int row = 0;
if ( index.isValid() ) {
row = index.row() - 1;
}
mView->selectionModel()->setCurrentIndex( mView->model()->index( row, 0 ),
QItemSelectionModel::Rows |
QItemSelectionModel::ClearAndSelect );
updateStatus();
}
void ContactSwitcher::updateStatus()
{
if ( !mView || !mView->model() ) {
return;
}
const QModelIndex index = mView->selectionModel()->currentIndex();
int row = 0;
if ( index.isValid() ) {
row = index.row();
}
mPreviousButton->setEnabled( row != 0 );
mNextButton->setEnabled( row != ( mView->model()->rowCount() - 1 ) );
mStatusLabel->setText( i18nc( "@info:status",
"%1 out of %2", row + 1, mView->model()->rowCount() ) );
}