1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
//! [Quoting ModelView Tutorial]
// modelview.cpp
#include "mainwindow.h"
#include <QTreeView>
#include <QStandardItemModel>
#include <QStandardItem>
MainWindow::MainWindow(QWidget *parent)
: QMainWindow(parent)
, treeView(new QTreeView(this))
, standardModel(new QStandardItemModel(this))
{
setCentralWidget(treeView);
QList<QStandardItem *> preparedRow = prepareRow("first", "second", "third");
QStandardItem *item = standardModel->invisibleRootItem();
// adding a row to the invisible root item produces a root element
item->appendRow(preparedRow);
QList<QStandardItem *> secondRow = prepareRow("111", "222", "333");
// adding a row to an item starts a subtree
preparedRow.first()->appendRow(secondRow);
treeView->setModel(standardModel);
treeView->expandAll();
}
QList<QStandardItem *> MainWindow::prepareRow(const QString &first,
const QString &second,
const QString &third) const
{
return {new QStandardItem(first),
new QStandardItem(second),
new QStandardItem(third)};
}
//! [Quoting ModelView Tutorial]
|
