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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include <QtGui>
#include "mainwindow.h"
#include "model.h"
MainWindow::MainWindow()
{
QMenu *fileMenu = new QMenu(tr("&File"));
QAction *quitAction = fileMenu->addAction(tr("E&xit"));
quitAction->setShortcut(tr("Ctrl+Q"));
QMenu *itemsMenu = new QMenu(tr("&Items"));
insertAction = itemsMenu->addAction(tr("&Insert Item"));
removeAction = itemsMenu->addAction(tr("&Remove Item"));
QAction *ascendingAction = itemsMenu->addAction(tr("Sort in &Ascending Order"));
QAction *descendingAction = itemsMenu->addAction(tr("Sort in &Descending Order"));
menuBar()->addMenu(fileMenu);
menuBar()->addMenu(itemsMenu);
QStringList strings;
strings << tr("Oak") << tr("Fir") << tr("Pine") << tr("Birch")
<< tr("Hazel") << tr("Redwood") << tr("Sycamore") << tr("Chestnut");
model = new StringListModel(strings, this);
/* For convenient quoting:
QListView *listView = new QListView(this);
*/
listView = new QListView(this);
listView->setModel(model);
listView->setSelectionMode(QAbstractItemView::SingleSelection);
connect(quitAction, SIGNAL(triggered()), this, SLOT(close()));
connect(ascendingAction, SIGNAL(triggered()), this, SLOT(sortAscending()));
connect(descendingAction, SIGNAL(triggered()), this, SLOT(sortDescending()));
connect(insertAction, SIGNAL(triggered()), this, SLOT(insertItem()));
connect(removeAction, SIGNAL(triggered()), this, SLOT(removeItem()));
connect(listView->selectionModel(),
SIGNAL(currentChanged(QModelIndex,QModelIndex)),
this, SLOT(updateMenus(QModelIndex)));
updateMenus(listView->selectionModel()->currentIndex());
setCentralWidget(listView);
setWindowTitle(tr("List View"));
}
void MainWindow::sortAscending()
{
model->sort(0, Qt::AscendingOrder);
}
void MainWindow::sortDescending()
{
model->sort(0, Qt::DescendingOrder);
}
void MainWindow::insertItem()
{
QModelIndex currentIndex = listView->currentIndex();
if (!currentIndex.isValid())
return;
QString itemText = QInputDialog::getText(this, tr("Insert Item"),
tr("Input text for the new item:"));
if (itemText.isNull())
return;
if (model->insertRow(currentIndex.row(), QModelIndex())) {
QModelIndex newIndex = model->index(currentIndex.row(), 0, QModelIndex());
model->setData(newIndex, itemText, Qt::EditRole);
QString toolTipText = tr("Tooltip:") + itemText;
QString statusTipText = tr("Status tip:") + itemText;
QString whatsThisText = tr("What's This?:") + itemText;
model->setData(newIndex, toolTipText, Qt::ToolTipRole);
model->setData(newIndex, toolTipText, Qt::StatusTipRole);
model->setData(newIndex, whatsThisText, Qt::WhatsThisRole);
}
}
void MainWindow::removeItem()
{
QModelIndex currentIndex = listView->currentIndex();
if (!currentIndex.isValid())
return;
model->removeRow(currentIndex.row(), QModelIndex());
}
void MainWindow::updateMenus(const QModelIndex ¤t)
{
insertAction->setEnabled(current.isValid());
removeAction->setEnabled(current.isValid());
}
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