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/*
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(nullptr)
{
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, &QPushButton::clicked, this, &ContactSwitcher::previousClicked);
connect(mNextButton, &QPushButton::clicked, this, &ContactSwitcher::nextClicked);
}
void ContactSwitcher::setView(QAbstractItemView *view)
{
mView = view;
Q_ASSERT_X(mView->model(), "ContactSwitcher::setView", "The view has no model set!");
connect(mView->model(), &QAbstractItemModel::layoutChanged, this, &ContactSwitcher::updateStatus);
connect(mView->model(), &QAbstractItemModel::rowsInserted, this, &ContactSwitcher::updateStatus);
connect(mView->model(), &QAbstractItemModel::rowsRemoved, this, &ContactSwitcher::updateStatus);
connect(mView->selectionModel(), &QItemSelectionModel::selectionChanged, this, &ContactSwitcher::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((mView->model()->rowCount() != 0) && (row != (mView->model()->rowCount() - 1)));
if (mView->model()->rowCount() > 0) {
mStatusLabel->setText(i18nc("@info:status",
"%1 out of %2", row + 1, mView->model()->rowCount()));
} else {
mStatusLabel->clear();
}
}
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