qt5base-lts/tests/auto/widgets/itemviews/qdatawidgetmapper/tst_qdatawidgetmapper.cpp

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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QDataWidgetMapper>
#include <QStandardItemModel>
#include <QLineEdit>
#include <QComboBox>
#include <QTextEdit>
#include <QVBoxLayout>
#include <QTest>
#include <QSignalSpy>
#include <QMetaType>
class tst_QDataWidgetMapper: public QObject
{
Q_OBJECT
private slots:
void initTestCase();
void setModel();
void navigate();
void addMapping();
void currentIndexChanged();
void changingValues();
void setData();
void mappedWidgetAt();
void comboBox();
void textEditDoesntChangeFocusOnTab_qtbug3305();
};
Q_DECLARE_METATYPE(QAbstractItemDelegate::EndEditHint)
static QStandardItemModel *testModel(QObject *parent = 0)
{
QStandardItemModel *model = new QStandardItemModel(10, 10, parent);
for (int row = 0; row < 10; ++row) {
const QString prefix = QLatin1String("item ") + QString::number(row)
+ QLatin1Char(' ');
for (int col = 0; col < 10; ++col)
model->setData(model->index(row, col), prefix + QString::number(col));
}
return model;
}
void tst_QDataWidgetMapper::initTestCase()
{
qRegisterMetaType<QAbstractItemDelegate::EndEditHint>();
}
void tst_QDataWidgetMapper::setModel()
{
QDataWidgetMapper mapper;
QCOMPARE(mapper.model(), nullptr);
{ // let the model go out of scope firstma
QStandardItemModel model;
mapper.setModel(&model);
QCOMPARE(mapper.model(), static_cast<QAbstractItemModel *>(&model));
}
QCOMPARE(mapper.model(), nullptr);
{ // let the mapper go out of scope first
QStandardItemModel model2;
QDataWidgetMapper mapper2;
mapper2.setModel(&model2);
}
}
void tst_QDataWidgetMapper::navigate()
{
QDataWidgetMapper mapper;
QAbstractItemModel *model = testModel(&mapper);
mapper.setModel(model);
QLineEdit edit1;
QLineEdit edit2;
QLineEdit edit3;
mapper.addMapping(&edit1, 0);
mapper.toFirst();
mapper.addMapping(&edit2, 1);
mapper.addMapping(&edit3, 2);
QCOMPARE(edit1.text(), QString("item 0 0"));
QVERIFY(edit2.text().isEmpty());
QVERIFY(edit3.text().isEmpty());
QVERIFY(mapper.submit());
edit2.setText(QString("item 0 1"));
edit3.setText(QString("item 0 2"));
QVERIFY(mapper.submit());
mapper.toFirst(); //this will repopulate
QCOMPARE(edit1.text(), QString("item 0 0"));
QCOMPARE(edit2.text(), QString("item 0 1"));
QCOMPARE(edit3.text(), QString("item 0 2"));
mapper.toFirst();
QCOMPARE(edit1.text(), QString("item 0 0"));
QCOMPARE(edit2.text(), QString("item 0 1"));
QCOMPARE(edit3.text(), QString("item 0 2"));
mapper.toPrevious(); // should do nothing
QCOMPARE(edit1.text(), QString("item 0 0"));
QCOMPARE(edit2.text(), QString("item 0 1"));
QCOMPARE(edit3.text(), QString("item 0 2"));
mapper.toNext();
QCOMPARE(edit1.text(), QString("item 1 0"));
QCOMPARE(edit2.text(), QString("item 1 1"));
QCOMPARE(edit3.text(), QString("item 1 2"));
mapper.toLast();
QCOMPARE(edit1.text(), QString("item 9 0"));
QCOMPARE(edit2.text(), QString("item 9 1"));
QCOMPARE(edit3.text(), QString("item 9 2"));
mapper.toNext(); // should do nothing
QCOMPARE(edit1.text(), QString("item 9 0"));
QCOMPARE(edit2.text(), QString("item 9 1"));
QCOMPARE(edit3.text(), QString("item 9 2"));
mapper.setCurrentIndex(4);
QCOMPARE(edit1.text(), QString("item 4 0"));
QCOMPARE(edit2.text(), QString("item 4 1"));
QCOMPARE(edit3.text(), QString("item 4 2"));
mapper.setCurrentIndex(-1); // should do nothing
QCOMPARE(edit1.text(), QString("item 4 0"));
QCOMPARE(edit2.text(), QString("item 4 1"));
QCOMPARE(edit3.text(), QString("item 4 2"));
mapper.setCurrentIndex(10); // should do nothing
QCOMPARE(edit1.text(), QString("item 4 0"));
QCOMPARE(edit2.text(), QString("item 4 1"));
QCOMPARE(edit3.text(), QString("item 4 2"));
mapper.setCurrentModelIndex(QModelIndex()); // should do nothing
QCOMPARE(edit1.text(), QString("item 4 0"));
QCOMPARE(edit2.text(), QString("item 4 1"));
QCOMPARE(edit3.text(), QString("item 4 2"));
mapper.setCurrentModelIndex(model->index(6, 0));
QCOMPARE(edit1.text(), QString("item 6 0"));
QCOMPARE(edit2.text(), QString("item 6 1"));
QCOMPARE(edit3.text(), QString("item 6 2"));
/* now try vertical navigation */
mapper.setOrientation(Qt::Vertical);
mapper.addMapping(&edit1, 0);
mapper.addMapping(&edit2, 1);
mapper.addMapping(&edit3, 2);
mapper.toFirst();
QCOMPARE(edit1.text(), QString("item 0 0"));
QCOMPARE(edit2.text(), QString("item 1 0"));
QCOMPARE(edit3.text(), QString("item 2 0"));
mapper.toPrevious(); // should do nothing
QCOMPARE(edit1.text(), QString("item 0 0"));
QCOMPARE(edit2.text(), QString("item 1 0"));
QCOMPARE(edit3.text(), QString("item 2 0"));
mapper.toNext();
QCOMPARE(edit1.text(), QString("item 0 1"));
QCOMPARE(edit2.text(), QString("item 1 1"));
QCOMPARE(edit3.text(), QString("item 2 1"));
mapper.toLast();
QCOMPARE(edit1.text(), QString("item 0 9"));
QCOMPARE(edit2.text(), QString("item 1 9"));
QCOMPARE(edit3.text(), QString("item 2 9"));
mapper.toNext(); // should do nothing
QCOMPARE(edit1.text(), QString("item 0 9"));
QCOMPARE(edit2.text(), QString("item 1 9"));
QCOMPARE(edit3.text(), QString("item 2 9"));
mapper.setCurrentIndex(4);
QCOMPARE(edit1.text(), QString("item 0 4"));
QCOMPARE(edit2.text(), QString("item 1 4"));
QCOMPARE(edit3.text(), QString("item 2 4"));
mapper.setCurrentIndex(-1); // should do nothing
QCOMPARE(edit1.text(), QString("item 0 4"));
QCOMPARE(edit2.text(), QString("item 1 4"));
QCOMPARE(edit3.text(), QString("item 2 4"));
mapper.setCurrentIndex(10); // should do nothing
QCOMPARE(edit1.text(), QString("item 0 4"));
QCOMPARE(edit2.text(), QString("item 1 4"));
QCOMPARE(edit3.text(), QString("item 2 4"));
mapper.setCurrentModelIndex(QModelIndex()); // should do nothing
QCOMPARE(edit1.text(), QString("item 0 4"));
QCOMPARE(edit2.text(), QString("item 1 4"));
QCOMPARE(edit3.text(), QString("item 2 4"));
mapper.setCurrentModelIndex(model->index(0, 6));
QCOMPARE(edit1.text(), QString("item 0 6"));
QCOMPARE(edit2.text(), QString("item 1 6"));
QCOMPARE(edit3.text(), QString("item 2 6"));
}
void tst_QDataWidgetMapper::addMapping()
{
QDataWidgetMapper mapper;
QAbstractItemModel *model = testModel(&mapper);
mapper.setModel(model);
QLineEdit edit1;
mapper.addMapping(&edit1, 0);
mapper.toFirst();
QCOMPARE(edit1.text(), QString("item 0 0"));
mapper.addMapping(&edit1, 1);
mapper.toFirst();
QCOMPARE(edit1.text(), QString("item 0 1"));
QCOMPARE(mapper.mappedSection(&edit1), 1);
edit1.clear();
mapper.removeMapping(&edit1);
mapper.toFirst();
QCOMPARE(edit1.text(), QString());
{
QLineEdit edit2;
mapper.addMapping(&edit2, 2);
mapper.toFirst();
QCOMPARE(edit2.text(), QString("item 0 2"));
} // let the edit go out of scope
QCOMPARE(mapper.mappedWidgetAt(2), nullptr);
mapper.toLast();
}
void tst_QDataWidgetMapper::currentIndexChanged()
{
QDataWidgetMapper mapper;
QAbstractItemModel *model = testModel(&mapper);
mapper.setModel(model);
QSignalSpy spy(&mapper, SIGNAL(currentIndexChanged(int)));
mapper.toFirst();
QCOMPARE(spy.count(), 1);
QCOMPARE(spy.takeFirst().at(0).toInt(), 0);
mapper.toNext();
QCOMPARE(spy.count(), 1);
QCOMPARE(spy.takeFirst().at(0).toInt(), 1);
mapper.setCurrentIndex(7);
QCOMPARE(spy.count(), 1);
QCOMPARE(spy.takeFirst().at(0).toInt(), 7);
mapper.setCurrentIndex(-1);
QCOMPARE(spy.count(), 0);
mapper.setCurrentIndex(42);
QCOMPARE(spy.count(), 0);
}
void tst_QDataWidgetMapper::changingValues()
{
QDataWidgetMapper mapper;
QAbstractItemModel *model = testModel(&mapper);
mapper.setModel(model);
QLineEdit edit1;
mapper.addMapping(&edit1, 0);
mapper.toFirst();
QCOMPARE(edit1.text(), QString("item 0 0"));
QLineEdit edit2;
mapper.addMapping(&edit2, 0, "text");
mapper.toFirst();
QCOMPARE(edit2.text(), QString("item 0 0"));
model->setData(model->index(0, 0), QString("changed"));
QCOMPARE(edit1.text(), QString("changed"));
QCOMPARE(edit2.text(), QString("changed"));
}
void tst_QDataWidgetMapper::setData()
{
QDataWidgetMapper mapper;
QAbstractItemModel *model = testModel(&mapper);
mapper.setModel(model);
QLineEdit edit1;
QLineEdit edit2;
QLineEdit edit3;
mapper.addMapping(&edit1, 0);
mapper.addMapping(&edit2, 1);
mapper.addMapping(&edit3, 0, "text");
mapper.toFirst();
QCOMPARE(edit1.text(), QString("item 0 0"));
QCOMPARE(edit2.text(), QString("item 0 1"));
QCOMPARE(edit3.text(), QString("item 0 0"));
edit1.setText("new text");
mapper.submit();
QCOMPARE(model->data(model->index(0, 0)).toString(), QString("new text"));
edit3.setText("more text");
mapper.submit();
QCOMPARE(model->data(model->index(0, 0)).toString(), QString("more text"));
}
void tst_QDataWidgetMapper::comboBox()
{
QDataWidgetMapper mapper;
QAbstractItemModel *model = testModel(&mapper);
mapper.setModel(model);
mapper.setSubmitPolicy(QDataWidgetMapper::ManualSubmit);
QComboBox readOnlyBox;
readOnlyBox.setEditable(false);
readOnlyBox.addItem("read only item 0");
readOnlyBox.addItem("read only item 1");
readOnlyBox.addItem("read only item 2");
QComboBox readWriteBox;
readWriteBox.setEditable(true);
readWriteBox.addItem("read write item 0");
readWriteBox.addItem("read write item 1");
readWriteBox.addItem("read write item 2");
// populate the combo boxes with data
mapper.addMapping(&readOnlyBox, 0, "currentIndex");
mapper.addMapping(&readWriteBox, 1, "currentText");
mapper.toFirst();
// setCurrentIndex caused the value at index 0 to be displayed
QCOMPARE(readOnlyBox.currentText(), QString("read only item 0"));
// setCurrentText set the value in the line edit since the combobox is editable
QCOMPARE(readWriteBox.currentText(), QString("item 0 1"));
// set some new values on the boxes
readOnlyBox.setCurrentIndex(1);
readWriteBox.setEditText("read write item y");
mapper.submit();
// make sure the new values are in the model
QCOMPARE(model->data(model->index(0, 0)).toInt(), 1);
QCOMPARE(model->data(model->index(0, 1)).toString(), QString("read write item y"));
// now test updating of the widgets
model->setData(model->index(0, 0), 2, Qt::EditRole);
model->setData(model->index(0, 1), QString("read write item z"), Qt::EditRole);
QCOMPARE(readOnlyBox.currentIndex(), 2);
QCOMPARE(readWriteBox.currentText(), QString("read write item z"));
}
void tst_QDataWidgetMapper::mappedWidgetAt()
{
QDataWidgetMapper mapper;
QAbstractItemModel *model = testModel(&mapper);
mapper.setModel(model);
QLineEdit lineEdit1;
QLineEdit lineEdit2;
QCOMPARE(mapper.mappedWidgetAt(432312), nullptr);
mapper.addMapping(&lineEdit1, 1);
mapper.addMapping(&lineEdit2, 2);
QCOMPARE(mapper.mappedWidgetAt(1), static_cast<QWidget *>(&lineEdit1));
QCOMPARE(mapper.mappedWidgetAt(2), static_cast<QWidget *>(&lineEdit2));
mapper.addMapping(&lineEdit2, 4242);
QCOMPARE(mapper.mappedWidgetAt(2), nullptr);
QCOMPARE(mapper.mappedWidgetAt(4242), static_cast<QWidget *>(&lineEdit2));
}
void tst_QDataWidgetMapper::textEditDoesntChangeFocusOnTab_qtbug3305()
{
QDataWidgetMapper mapper;
QAbstractItemModel *model = testModel(&mapper);
mapper.setModel(model);
QSignalSpy closeEditorSpy(mapper.itemDelegate(), SIGNAL(closeEditor(QWidget*,QAbstractItemDelegate::EndEditHint)));
QVERIFY(closeEditorSpy.isValid());
QWidget container;
container.setLayout(new QVBoxLayout);
QLineEdit *lineEdit = new QLineEdit;
mapper.addMapping(lineEdit, 0);
container.layout()->addWidget(lineEdit);
QTextEdit *textEdit = new QTextEdit;
mapper.addMapping(textEdit, 1);
container.layout()->addWidget(textEdit);
lineEdit->setFocus();
container.show();
QApplication::setActiveWindow(&container);
QVERIFY(QTest::qWaitForWindowActive(&container));
int closeEditorSpyCount = 0;
const QString textEditContents = textEdit->toPlainText();
QCOMPARE(closeEditorSpy.count(), closeEditorSpyCount);
QVERIFY(lineEdit->hasFocus());
QVERIFY(!textEdit->hasFocus());
// this will generate a closeEditor for the tab key, and another for the focus out
QTest::keyClick(QApplication::focusWidget(), Qt::Key_Tab);
closeEditorSpyCount += 2;
QTRY_COMPARE(closeEditorSpy.count(), closeEditorSpyCount);
QTRY_VERIFY(textEdit->hasFocus());
QVERIFY(!lineEdit->hasFocus());
// now that the text edit is focused, a tab keypress will insert a tab, not change focus
QTest::keyClick(QApplication::focusWidget(), Qt::Key_Tab);
QTRY_COMPARE(closeEditorSpy.count(), closeEditorSpyCount);
QVERIFY(!lineEdit->hasFocus());
QVERIFY(textEdit->hasFocus());
QCOMPARE(textEdit->toPlainText(), QLatin1Char('\t') + textEditContents);
// now give focus back to the line edit and check closeEditor gets emitted
lineEdit->setFocus();
QTRY_VERIFY(lineEdit->hasFocus());
QVERIFY(!textEdit->hasFocus());
++closeEditorSpyCount;
QCOMPARE(closeEditorSpy.count(), closeEditorSpyCount);
}
QTEST_MAIN(tst_QDataWidgetMapper)
#include "tst_qdatawidgetmapper.moc"