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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include "mainwindow.h"
#include "treemodel.h"
#include <QDebug>
#include <QFile>
using namespace Qt::StringLiterals;
MainWindow::MainWindow(QWidget *parent)
: QMainWindow(parent)
{
setupUi(this);
const QStringList headers({tr("Title"), tr("Description")});
QFile file(":/default.txt"_L1);
file.open(QIODevice::ReadOnly | QIODevice::Text);
auto *model = new TreeModel(headers, QString::fromUtf8(file.readAll()), this);
file.close();
view->setModel(model);
for (int column = 0; column < model->columnCount(); ++column)
view->resizeColumnToContents(column);
view->expandAll();
connect(exitAction, &QAction::triggered, qApp, &QCoreApplication::quit);
connect(view->selectionModel(), &QItemSelectionModel::selectionChanged,
this, &MainWindow::updateActions);
connect(actionsMenu, &QMenu::aboutToShow, this, &MainWindow::updateActions);
connect(insertRowAction, &QAction::triggered, this, &MainWindow::insertRow);
connect(insertColumnAction, &QAction::triggered, this, &MainWindow::insertColumn);
connect(removeRowAction, &QAction::triggered, this, &MainWindow::removeRow);
connect(removeColumnAction, &QAction::triggered, this, &MainWindow::removeColumn);
connect(insertChildAction, &QAction::triggered, this, &MainWindow::insertChild);
updateActions();
}
void MainWindow::insertChild()
{
const QModelIndex index = view->selectionModel()->currentIndex();
QAbstractItemModel *model = view->model();
if (model->columnCount(index) == 0) {
if (!model->insertColumn(0, index))
return;
}
if (!model->insertRow(0, index))
return;
for (int column = 0; column < model->columnCount(index); ++column) {
const QModelIndex child = model->index(0, column, index);
model->setData(child, QVariant(tr("[No data]")), Qt::EditRole);
if (!model->headerData(column, Qt::Horizontal).isValid())
model->setHeaderData(column, Qt::Horizontal, QVariant(tr("[No header]")), Qt::EditRole);
}
view->selectionModel()->setCurrentIndex(model->index(0, 0, index),
QItemSelectionModel::ClearAndSelect);
updateActions();
}
bool MainWindow::insertColumn()
{
QAbstractItemModel *model = view->model();
int column = view->selectionModel()->currentIndex().column();
// Insert a column in the parent item.
bool changed = model->insertColumn(column + 1);
if (changed)
model->setHeaderData(column + 1, Qt::Horizontal, QVariant("[No header]"), Qt::EditRole);
updateActions();
return changed;
}
void MainWindow::insertRow()
{
const QModelIndex index = view->selectionModel()->currentIndex();
QAbstractItemModel *model = view->model();
if (!model->insertRow(index.row()+1, index.parent()))
return;
updateActions();
for (int column = 0; column < model->columnCount(index.parent()); ++column) {
const QModelIndex child = model->index(index.row() + 1, column, index.parent());
model->setData(child, QVariant(tr("[No data]")), Qt::EditRole);
}
}
bool MainWindow::removeColumn()
{
QAbstractItemModel *model = view->model();
const int column = view->selectionModel()->currentIndex().column();
// Insert columns in each child of the parent item.
const bool changed = model->removeColumn(column);
if (changed)
updateActions();
return changed;
}
void MainWindow::removeRow()
{
const QModelIndex index = view->selectionModel()->currentIndex();
QAbstractItemModel *model = view->model();
if (model->removeRow(index.row(), index.parent()))
updateActions();
}
void MainWindow::updateActions()
{
const bool hasSelection = !view->selectionModel()->selection().isEmpty();
removeRowAction->setEnabled(hasSelection);
removeColumnAction->setEnabled(hasSelection);
const bool hasCurrent = view->selectionModel()->currentIndex().isValid();
insertRowAction->setEnabled(hasCurrent);
insertColumnAction->setEnabled(hasCurrent);
if (hasCurrent) {
view->closePersistentEditor(view->selectionModel()->currentIndex());
const int row = view->selectionModel()->currentIndex().row();
const int column = view->selectionModel()->currentIndex().column();
if (view->selectionModel()->currentIndex().parent().isValid())
statusBar()->showMessage(tr("Position: (%1,%2)").arg(row).arg(column));
else
statusBar()->showMessage(tr("Position: (%1,%2) in top level").arg(row).arg(column));
}
}
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