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     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

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     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

     6 **

     7 ** This file is part of the test suite of the Qt Toolkit.

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    14 ** this package.

    15 **

    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

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    38 ** $QT_END_LICENSE$

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    40 ****************************************************************************/

    41 #include <QtGui/QtGui>

    42 #include <QtTest/QtTest>

    43 

    44 class tst_QDataWidgetMapper: public QObject

    45 {

    46     Q_OBJECT

    47 private slots:

    48     void setModel();

    49     void navigate();

    50     void addMapping();

    51     void currentIndexChanged();

    52     void changingValues();

    53     void setData();

    54     void mappedWidgetAt();

    55 

    56     void comboBox();

    57 };

    58 

    59 static QStandardItemModel *testModel(QObject *parent = 0)

    60 {

    61     QStandardItemModel *model = new QStandardItemModel(10, 10, parent);

    62 

    63     for (int row = 0; row < 10; ++row) {

    64         for (int col = 0; col < 10; ++col)

    65             model->setData(model->index(row, col), QString("item %1 %2").arg(row).arg(col));

    66     }

    67 

    68     return model;

    69 }

    70 

    71 void tst_QDataWidgetMapper::setModel()

    72 {

    73     QDataWidgetMapper mapper;

    74 

    75     QCOMPARE(mapper.model(), (QAbstractItemModel *)0);

    76 

    77     { // let the model go out of scope firstma

    78         QStandardItemModel model;

    79         mapper.setModel(&model);

    80         QCOMPARE(mapper.model(), static_cast<QAbstractItemModel *>(&model));

    81     }

    82 

    83     QCOMPARE(mapper.model(), (QAbstractItemModel *)0);

    84 

    85     { // let the mapper go out of scope first

    86         QStandardItemModel model2;

    87         QDataWidgetMapper mapper2;

    88         mapper2.setModel(&model2);

    89     }

    90 }

    91 

    92 void tst_QDataWidgetMapper::navigate()

    93 {

    94     QDataWidgetMapper mapper;

    95     QAbstractItemModel *model = testModel(&mapper);

    96     mapper.setModel(model);

    97 

    98     QLineEdit edit1;

    99     QLineEdit edit2;

   100     QLineEdit edit3;

   101 

   102     mapper.addMapping(&edit1, 0);

   103     mapper.toFirst();

   104     mapper.addMapping(&edit2, 1);

   105     mapper.addMapping(&edit3, 2);

   106 

   107     QCOMPARE(edit1.text(), QString("item 0 0"));

   108     QVERIFY(edit2.text().isEmpty());

   109     QVERIFY(edit3.text().isEmpty());

   110     QVERIFY(mapper.submit());

   111     edit2.setText(QString("item 0 1"));

   112     edit3.setText(QString("item 0 2"));

   113     QVERIFY(mapper.submit());

   114 

   115     mapper.toFirst(); //this will repopulate

   116     QCOMPARE(edit1.text(), QString("item 0 0"));

   117     QCOMPARE(edit2.text(), QString("item 0 1"));

   118     QCOMPARE(edit3.text(), QString("item 0 2"));

   119 

   120 

   121     mapper.toFirst();

   122     QCOMPARE(edit1.text(), QString("item 0 0"));

   123     QCOMPARE(edit2.text(), QString("item 0 1"));

   124     QCOMPARE(edit3.text(), QString("item 0 2"));

   125 

   126     mapper.toPrevious(); // should do nothing

   127     QCOMPARE(edit1.text(), QString("item 0 0"));

   128     QCOMPARE(edit2.text(), QString("item 0 1"));

   129     QCOMPARE(edit3.text(), QString("item 0 2"));

   130 

   131     mapper.toNext();

   132     QCOMPARE(edit1.text(), QString("item 1 0"));

   133     QCOMPARE(edit2.text(), QString("item 1 1"));

   134     QCOMPARE(edit3.text(), QString("item 1 2"));

   135 

   136     mapper.toLast();

   137     QCOMPARE(edit1.text(), QString("item 9 0"));

   138     QCOMPARE(edit2.text(), QString("item 9 1"));

   139     QCOMPARE(edit3.text(), QString("item 9 2"));

   140 

   141     mapper.toNext(); // should do nothing

   142     QCOMPARE(edit1.text(), QString("item 9 0"));

   143     QCOMPARE(edit2.text(), QString("item 9 1"));

   144     QCOMPARE(edit3.text(), QString("item 9 2"));

   145 

   146     mapper.setCurrentIndex(4);

   147     QCOMPARE(edit1.text(), QString("item 4 0"));

   148     QCOMPARE(edit2.text(), QString("item 4 1"));

   149     QCOMPARE(edit3.text(), QString("item 4 2"));

   150 

   151     mapper.setCurrentIndex(-1); // should do nothing

   152     QCOMPARE(edit1.text(), QString("item 4 0"));

   153     QCOMPARE(edit2.text(), QString("item 4 1"));

   154     QCOMPARE(edit3.text(), QString("item 4 2"));

   155 

   156     mapper.setCurrentIndex(10); // should do nothing

   157     QCOMPARE(edit1.text(), QString("item 4 0"));

   158     QCOMPARE(edit2.text(), QString("item 4 1"));

   159     QCOMPARE(edit3.text(), QString("item 4 2"));

   160 

   161     mapper.setCurrentModelIndex(QModelIndex()); // should do nothing

   162     QCOMPARE(edit1.text(), QString("item 4 0"));

   163     QCOMPARE(edit2.text(), QString("item 4 1"));

   164     QCOMPARE(edit3.text(), QString("item 4 2"));

   165 

   166     mapper.setCurrentModelIndex(model->index(6, 0));

   167     QCOMPARE(edit1.text(), QString("item 6 0"));

   168     QCOMPARE(edit2.text(), QString("item 6 1"));

   169     QCOMPARE(edit3.text(), QString("item 6 2"));

   170 

   171     /* now try vertical navigation */

   172 

   173     mapper.setOrientation(Qt::Vertical);

   174 

   175     mapper.addMapping(&edit1, 0);

   176     mapper.addMapping(&edit2, 1);

   177     mapper.addMapping(&edit3, 2);

   178 

   179     mapper.toFirst();

   180     QCOMPARE(edit1.text(), QString("item 0 0"));

   181     QCOMPARE(edit2.text(), QString("item 1 0"));

   182     QCOMPARE(edit3.text(), QString("item 2 0"));

   183 

   184     mapper.toPrevious(); // should do nothing

   185     QCOMPARE(edit1.text(), QString("item 0 0"));

   186     QCOMPARE(edit2.text(), QString("item 1 0"));

   187     QCOMPARE(edit3.text(), QString("item 2 0"));

   188 

   189     mapper.toNext();

   190     QCOMPARE(edit1.text(), QString("item 0 1"));

   191     QCOMPARE(edit2.text(), QString("item 1 1"));

   192     QCOMPARE(edit3.text(), QString("item 2 1"));

   193 

   194     mapper.toLast();

   195     QCOMPARE(edit1.text(), QString("item 0 9"));

   196     QCOMPARE(edit2.text(), QString("item 1 9"));

   197     QCOMPARE(edit3.text(), QString("item 2 9"));

   198 

   199     mapper.toNext(); // should do nothing

   200     QCOMPARE(edit1.text(), QString("item 0 9"));

   201     QCOMPARE(edit2.text(), QString("item 1 9"));

   202     QCOMPARE(edit3.text(), QString("item 2 9"));

   203 

   204     mapper.setCurrentIndex(4);

   205     QCOMPARE(edit1.text(), QString("item 0 4"));

   206     QCOMPARE(edit2.text(), QString("item 1 4"));

   207     QCOMPARE(edit3.text(), QString("item 2 4"));

   208 

   209     mapper.setCurrentIndex(-1); // should do nothing

   210     QCOMPARE(edit1.text(), QString("item 0 4"));

   211     QCOMPARE(edit2.text(), QString("item 1 4"));

   212     QCOMPARE(edit3.text(), QString("item 2 4"));

   213 

   214     mapper.setCurrentIndex(10); // should do nothing

   215     QCOMPARE(edit1.text(), QString("item 0 4"));

   216     QCOMPARE(edit2.text(), QString("item 1 4"));

   217     QCOMPARE(edit3.text(), QString("item 2 4"));

   218 

   219     mapper.setCurrentModelIndex(QModelIndex()); // should do nothing

   220     QCOMPARE(edit1.text(), QString("item 0 4"));

   221     QCOMPARE(edit2.text(), QString("item 1 4"));

   222     QCOMPARE(edit3.text(), QString("item 2 4"));

   223 

   224     mapper.setCurrentModelIndex(model->index(0, 6));

   225     QCOMPARE(edit1.text(), QString("item 0 6"));

   226     QCOMPARE(edit2.text(), QString("item 1 6"));

   227     QCOMPARE(edit3.text(), QString("item 2 6"));

   228 }

   229 

   230 void tst_QDataWidgetMapper::addMapping()

   231 {

   232     QDataWidgetMapper mapper;

   233     QAbstractItemModel *model = testModel(&mapper);

   234     mapper.setModel(model);

   235 

   236     QLineEdit edit1;

   237     mapper.addMapping(&edit1, 0);

   238     mapper.toFirst();

   239     QCOMPARE(edit1.text(), QString("item 0 0"));

   240 

   241     mapper.addMapping(&edit1, 1);

   242     mapper.toFirst();

   243     QCOMPARE(edit1.text(), QString("item 0 1"));

   244 

   245     QCOMPARE(mapper.mappedSection(&edit1), 1);

   246 

   247     edit1.clear();

   248     mapper.removeMapping(&edit1);

   249     mapper.toFirst();

   250     QCOMPARE(edit1.text(), QString());

   251 

   252     {

   253         QLineEdit edit2;

   254         mapper.addMapping(&edit2, 2);

   255         mapper.toFirst();

   256         QCOMPARE(edit2.text(), QString("item 0 2"));

   257     } // let the edit go out of scope

   258 

   259     QCOMPARE(mapper.mappedWidgetAt(2), (QWidget *)0);

   260     mapper.toLast();

   261 }

   262 

   263 void tst_QDataWidgetMapper::currentIndexChanged()

   264 {

   265     QDataWidgetMapper mapper;

   266     QAbstractItemModel *model = testModel(&mapper);

   267     mapper.setModel(model);

   268 

   269     QSignalSpy spy(&mapper, SIGNAL(currentIndexChanged(int)));

   270 

   271     mapper.toFirst();

   272     QCOMPARE(spy.count(), 1);

   273     QCOMPARE(spy.takeFirst().at(0).toInt(), 0);

   274 

   275     mapper.toNext();

   276     QCOMPARE(spy.count(), 1);

   277     QCOMPARE(spy.takeFirst().at(0).toInt(), 1);

   278 

   279     mapper.setCurrentIndex(7);

   280     QCOMPARE(spy.count(), 1);

   281     QCOMPARE(spy.takeFirst().at(0).toInt(), 7);

   282 

   283     mapper.setCurrentIndex(-1);

   284     QCOMPARE(spy.count(), 0);

   285 

   286     mapper.setCurrentIndex(42);

   287     QCOMPARE(spy.count(), 0);

   288 }

   289 

   290 void tst_QDataWidgetMapper::changingValues()

   291 {

   292     QDataWidgetMapper mapper;

   293     QAbstractItemModel *model = testModel(&mapper);

   294     mapper.setModel(model);

   295 

   296     QLineEdit edit1;

   297     mapper.addMapping(&edit1, 0);

   298     mapper.toFirst();

   299     QCOMPARE(edit1.text(), QString("item 0 0"));

   300 

   301     QLineEdit edit2;

   302     mapper.addMapping(&edit2, 0, "text");

   303     mapper.toFirst();

   304     QCOMPARE(edit2.text(), QString("item 0 0"));

   305 

   306     model->setData(model->index(0, 0), QString("changed"));

   307     QCOMPARE(edit1.text(), QString("changed"));

   308     QCOMPARE(edit2.text(), QString("changed"));

   309 }

   310 

   311 void tst_QDataWidgetMapper::setData()

   312 {

   313     QDataWidgetMapper mapper;

   314     QAbstractItemModel *model = testModel(&mapper);

   315     mapper.setModel(model);

   316 

   317     QLineEdit edit1;

   318     QLineEdit edit2;

   319     QLineEdit edit3;

   320 

   321     mapper.addMapping(&edit1, 0);

   322     mapper.addMapping(&edit2, 1);

   323     mapper.addMapping(&edit3, 0, "text");

   324     mapper.toFirst();

   325     QCOMPARE(edit1.text(), QString("item 0 0"));

   326     QCOMPARE(edit2.text(), QString("item 0 1"));

   327     QCOMPARE(edit3.text(), QString("item 0 0"));

   328 

   329     edit1.setText("new text");

   330 

   331     mapper.submit();

   332     QCOMPARE(model->data(model->index(0, 0)).toString(), QString("new text"));

   333 

   334     edit3.setText("more text");

   335 

   336     mapper.submit();

   337     QCOMPARE(model->data(model->index(0, 0)).toString(), QString("more text"));

   338 }

   339 

   340 void tst_QDataWidgetMapper::comboBox()

   341 {

   342     QDataWidgetMapper mapper;

   343     QAbstractItemModel *model = testModel(&mapper);

   344     mapper.setModel(model);

   345     mapper.setSubmitPolicy(QDataWidgetMapper::ManualSubmit);

   346 

   347     QComboBox readOnlyBox;

   348     readOnlyBox.setEditable(false);

   349     readOnlyBox.addItem("read only item 0");

   350     readOnlyBox.addItem("read only item 1");

   351     readOnlyBox.addItem("read only item 2");

   352 

   353     QComboBox readWriteBox;

   354     readWriteBox.setEditable(true);

   355     readWriteBox.addItem("read write item 0");

   356     readWriteBox.addItem("read write item 1");

   357     readWriteBox.addItem("read write item 2");

   358 

   359     // populat the combo boxes with data

   360     mapper.addMapping(&readOnlyBox, 0, "currentIndex");

   361     mapper.addMapping(&readWriteBox, 1, "currentText");

   362     mapper.toFirst();

   363 

   364     QCOMPARE(readOnlyBox.currentText(), QString("read only item 0"));

   365     QCOMPARE(readWriteBox.currentText(), QString("read write item 0"));

   366 

   367     // set some new values on the boxes

   368     readOnlyBox.setCurrentIndex(1);

   369     readWriteBox.setEditText("read write item y");

   370 

   371     mapper.submit();

   372 

   373     // make sure the new values are in the model

   374     QCOMPARE(model->data(model->index(0, 0)).toInt(), 1);

   375     QCOMPARE(model->data(model->index(0, 1)).toString(), QString("read write item y"));

   376 

   377     // now test updating of the widgets

   378     model->setData(model->index(0, 0), 2, Qt::EditRole);

   379     model->setData(model->index(0, 1), QString("read write item z"), Qt::EditRole);

   380 

   381     QCOMPARE(readOnlyBox.currentIndex(), 2);

   382     QEXPECT_FAIL("", "See tasks 125493 and 147153", Abort);

   383     QCOMPARE(readWriteBox.currentText(), QString("read write item z"));

   384 }

   385 

   386 void tst_QDataWidgetMapper::mappedWidgetAt()

   387 {

   388     QDataWidgetMapper mapper;

   389     QAbstractItemModel *model = testModel(&mapper);

   390     mapper.setModel(model);

   391 

   392     QLineEdit lineEdit1;

   393     QLineEdit lineEdit2;

   394 

   395     QCOMPARE(mapper.mappedWidgetAt(432312), (QWidget*)0);

   396 

   397     mapper.addMapping(&lineEdit1, 1);

   398     mapper.addMapping(&lineEdit2, 2);

   399 

   400     QCOMPARE(mapper.mappedWidgetAt(1), static_cast<QWidget *>(&lineEdit1));

   401     QCOMPARE(mapper.mappedWidgetAt(2), static_cast<QWidget *>(&lineEdit2));

   402 

   403     mapper.addMapping(&lineEdit2, 4242);

   404 

   405     QCOMPARE(mapper.mappedWidgetAt(2), (QWidget*)0);

   406     QCOMPARE(mapper.mappedWidgetAt(4242), static_cast<QWidget *>(&lineEdit2));

   407 }

   408 

   409 QTEST_MAIN(tst_QDataWidgetMapper)

   410 #include "tst_qdatawidgetmapper.moc"