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    41 

    42 #include <QtTest/QtTest>

    43 #include <QtTest/QSignalSpy>

    44 #include <private/qlistmodelinterface_p.h>

    45 #include <QtDeclarative/qdeclarativeengine.h>

    46 #include <QtDeclarative/qdeclarativeview.h>

    47 #include <QtDeclarative/qdeclarativecontext.h>

    48 #include <private/qdeclarativerepeater_p.h>

    49 #include <private/qdeclarativetext_p.h>

    50 

    51 inline QUrl TEST_FILE(const QString &filename)

    52 {

    53     return QUrl::fromLocalFile(QLatin1String(SRCDIR) + QLatin1String("/data/") + filename);

    54 }

    55 

    56 class tst_QDeclarativeRepeater : public QObject

    57 {

    58     Q_OBJECT

    59 public:

    60     tst_QDeclarativeRepeater();

    61 

    62 private slots:

    63     void numberModel();

    64     void objectList();

    65     void stringList();

    66     void dataModel();

    67     void itemModel();

    68     void properties();

    69 

    70 private:

    71     QDeclarativeView *createView();

    72     template<typename T>

    73     T *findItem(QGraphicsObject *parent, const QString &id);

    74 };

    75 

    76 class TestObject : public QObject

    77 {

    78     Q_OBJECT

    79 

    80     Q_PROPERTY(bool error READ error WRITE setError)

    81     Q_PROPERTY(bool useModel READ useModel NOTIFY useModelChanged)

    82 

    83 public:

    84     TestObject() : QObject(), mError(true), mUseModel(false) {}

    85 

    86     bool error() const { return mError; }

    87     void setError(bool err) { mError = err; }

    88 

    89     bool useModel() const { return mUseModel; }

    90     void setUseModel(bool use) { mUseModel = use; emit useModelChanged(); }

    91 

    92 signals:

    93     void useModelChanged();

    94 

    95 private:

    96     bool mError;

    97     bool mUseModel;

    98 };

    99 

   100 class TestModel : public QAbstractListModel

   101 {

   102 public:

   103     enum Roles { Name = Qt::UserRole+1, Number = Qt::UserRole+2 };

   104 

   105     TestModel(QObject *parent=0) : QAbstractListModel(parent) {

   106         QHash<int, QByteArray> roles;

   107         roles[Name] = "name";

   108         roles[Number] = "number";

   109         setRoleNames(roles);

   110     }

   111 

   112     int rowCount(const QModelIndex &parent=QModelIndex()) const { Q_UNUSED(parent); return list.count(); }

   113     QVariant data(const QModelIndex &index, int role=Qt::DisplayRole) const {

   114         QVariant rv;

   115         if (role == Name)

   116             rv = list.at(index.row()).first;

   117         else if (role == Number)

   118             rv = list.at(index.row()).second;

   119 

   120         return rv;

   121     }

   122 

   123     int count() const { return rowCount(); }

   124     QString name(int index) const { return list.at(index).first; }

   125     QString number(int index) const { return list.at(index).second; }

   126 

   127     void addItem(const QString &name, const QString &number) {

   128         emit beginInsertRows(QModelIndex(), list.count(), list.count());

   129         list.append(QPair<QString,QString>(name, number));

   130         emit endInsertRows();

   131     }

   132 

   133     void insertItem(int index, const QString &name, const QString &number) {

   134         emit beginInsertRows(QModelIndex(), index, index);

   135         list.insert(index, QPair<QString,QString>(name, number));

   136         emit endInsertRows();

   137     }

   138 

   139     void removeItem(int index) {

   140         emit beginRemoveRows(QModelIndex(), index, index);

   141         list.removeAt(index);

   142         emit endRemoveRows();

   143     }

   144 

   145     void moveItem(int from, int to) {

   146         emit beginMoveRows(QModelIndex(), from, from, QModelIndex(), to);

   147         list.move(from, to);

   148         emit endMoveRows();

   149     }

   150 

   151     void modifyItem(int idx, const QString &name, const QString &number) {

   152         list[idx] = QPair<QString,QString>(name, number);

   153         emit dataChanged(index(idx,0), index(idx,0));

   154     }

   155 

   156 private:

   157     QList<QPair<QString,QString> > list;

   158 };

   159 

   160 

   161 tst_QDeclarativeRepeater::tst_QDeclarativeRepeater()

   162 {

   163 }

   164 

   165 void tst_QDeclarativeRepeater::numberModel()

   166 {

   167     QDeclarativeView *canvas = createView();

   168 

   169     QDeclarativeContext *ctxt = canvas->rootContext();

   170     ctxt->setContextProperty("testData", 5);

   171     TestObject *testObject = new TestObject;

   172     ctxt->setContextProperty("testObject", testObject);

   173 

   174     canvas->setSource(QUrl::fromLocalFile(SRCDIR "/data/intmodel.qml"));

   175     qApp->processEvents();

   176 

   177     QDeclarativeRepeater *repeater = findItem<QDeclarativeRepeater>(canvas->rootObject(), "repeater");

   178     QVERIFY(repeater != 0);

   179     QCOMPARE(repeater->parentItem()->childItems().count(), 5+1);

   180 

   181     QMetaObject::invokeMethod(canvas->rootObject(), "checkProperties");

   182     QVERIFY(testObject->error() == false);

   183 

   184     delete testObject;

   185     delete canvas;

   186 }

   187 

   188 class MyObject : public QObject

   189 {

   190     Q_OBJECT

   191     Q_PROPERTY(int idx READ idx CONSTANT)

   192 public:

   193     MyObject(int i) : QObject(), m_idx(i) {}

   194 

   195     int idx() const { return m_idx; }

   196 

   197     int m_idx;

   198 };

   199 

   200 void tst_QDeclarativeRepeater::objectList()

   201 {

   202     QDeclarativeView *canvas = createView();

   203     QObjectList data;

   204     for(int i=0; i<100; i++)

   205         data << new MyObject(i);

   206 

   207     QDeclarativeContext *ctxt = canvas->rootContext();

   208     ctxt->setContextProperty("testData", QVariant::fromValue(data));

   209 

   210     canvas->setSource(QUrl::fromLocalFile(SRCDIR "/data/objlist.qml"));

   211     qApp->processEvents();

   212 

   213     QDeclarativeRepeater *repeater = findItem<QDeclarativeRepeater>(canvas->rootObject(), "repeater");

   214     QVERIFY(repeater != 0);

   215     QCOMPARE(repeater->property("errors").toInt(), 0);//If this fails either they are out of order or can't find the object's data

   216     QCOMPARE(repeater->property("instantiated").toInt(), 100);

   217 

   218     qDeleteAll(data);

   219     delete canvas;

   220 }

   221 

   222 /*

   223 The Repeater element creates children at its own position in its parent's

   224 stacking order.  In this test we insert a repeater between two other Text

   225 elements to test this.

   226 */

   227 void tst_QDeclarativeRepeater::stringList()

   228 {

   229     QDeclarativeView *canvas = createView();

   230 

   231     QStringList data;

   232     data << "One";

   233     data << "Two";

   234     data << "Three";

   235     data << "Four";

   236 

   237     QDeclarativeContext *ctxt = canvas->rootContext();

   238     ctxt->setContextProperty("testData", data);

   239 

   240     canvas->setSource(QUrl::fromLocalFile(SRCDIR "/data/repeater1.qml"));

   241     qApp->processEvents();

   242 

   243     QDeclarativeRepeater *repeater = findItem<QDeclarativeRepeater>(canvas->rootObject(), "repeater");

   244     QVERIFY(repeater != 0);

   245 

   246     QDeclarativeItem *container = findItem<QDeclarativeItem>(canvas->rootObject(), "container");

   247     QVERIFY(container != 0);

   248 

   249     QCOMPARE(container->childItems().count(), data.count() + 3);

   250 

   251     bool saw_repeater = false;

   252     for (int i = 0; i < container->childItems().count(); ++i) {

   253 

   254         if (i == 0) {

   255             QDeclarativeText *name = qobject_cast<QDeclarativeText*>(container->childItems().at(i));

   256             QVERIFY(name != 0);

   257             QCOMPARE(name->text(), QLatin1String("Zero"));

   258         } else if (i == container->childItems().count() - 2) {

   259             // The repeater itself

   260             QDeclarativeRepeater *rep = qobject_cast<QDeclarativeRepeater*>(container->childItems().at(i));

   261             QCOMPARE(rep, repeater);

   262             saw_repeater = true;

   263             continue;

   264         } else if (i == container->childItems().count() - 1) {

   265             QDeclarativeText *name = qobject_cast<QDeclarativeText*>(container->childItems().at(i));

   266             QVERIFY(name != 0);

   267             QCOMPARE(name->text(), QLatin1String("Last"));

   268         } else {

   269             QDeclarativeText *name = qobject_cast<QDeclarativeText*>(container->childItems().at(i));

   270             QVERIFY(name != 0);

   271             QCOMPARE(name->text(), data.at(i-1));

   272         }

   273     }

   274     QVERIFY(saw_repeater);

   275 

   276     delete canvas;

   277 }

   278 

   279 void tst_QDeclarativeRepeater::dataModel()

   280 {

   281     QDeclarativeView *canvas = createView();

   282     QDeclarativeContext *ctxt = canvas->rootContext();

   283     TestObject *testObject = new TestObject;

   284     ctxt->setContextProperty("testObject", testObject);

   285 

   286     TestModel testModel;

   287     testModel.addItem("one", "1");

   288     testModel.addItem("two", "2");

   289     testModel.addItem("three", "3");

   290 

   291     ctxt->setContextProperty("testData", &testModel);

   292 

   293     canvas->setSource(QUrl::fromLocalFile(SRCDIR "/data/repeater2.qml"));

   294     qApp->processEvents();

   295 

   296     QDeclarativeRepeater *repeater = findItem<QDeclarativeRepeater>(canvas->rootObject(), "repeater");

   297     QVERIFY(repeater != 0);

   298 

   299     QDeclarativeItem *container = findItem<QDeclarativeItem>(canvas->rootObject(), "container");

   300     QVERIFY(container != 0);

   301 

   302     QCOMPARE(container->childItems().count(), 4);

   303 

   304     testModel.addItem("four", "4");

   305     QCOMPARE(container->childItems().count(), 5);

   306 

   307     testModel.removeItem(2);

   308     QCOMPARE(container->childItems().count(), 4);

   309 

   310     delete testObject;

   311     delete canvas;

   312 }

   313 

   314 void tst_QDeclarativeRepeater::itemModel()

   315 {

   316     QDeclarativeView *canvas = createView();

   317     QDeclarativeContext *ctxt = canvas->rootContext();

   318     TestObject *testObject = new TestObject;

   319     ctxt->setContextProperty("testObject", testObject);

   320 

   321     canvas->setSource(QUrl::fromLocalFile(SRCDIR "/data/itemlist.qml"));

   322     qApp->processEvents();

   323 

   324     QDeclarativeRepeater *repeater = findItem<QDeclarativeRepeater>(canvas->rootObject(), "repeater");

   325     QVERIFY(repeater != 0);

   326 

   327     QDeclarativeItem *container = findItem<QDeclarativeItem>(canvas->rootObject(), "container");

   328     QVERIFY(container != 0);

   329 

   330     QCOMPARE(container->childItems().count(), 1);

   331 

   332     testObject->setUseModel(true);

   333     QMetaObject::invokeMethod(canvas->rootObject(), "checkProperties");

   334     QVERIFY(testObject->error() == false);

   335 

   336     QCOMPARE(container->childItems().count(), 4);

   337     QVERIFY(qobject_cast<QObject*>(container->childItems().at(0))->objectName() == "item1");

   338     QVERIFY(qobject_cast<QObject*>(container->childItems().at(1))->objectName() == "item2");

   339     QVERIFY(qobject_cast<QObject*>(container->childItems().at(2))->objectName() == "item3");

   340     QVERIFY(container->childItems().at(3) == repeater);

   341 

   342     delete testObject;

   343     delete canvas;

   344 }

   345 

   346 void tst_QDeclarativeRepeater::properties()

   347 {

   348     QDeclarativeEngine engine;

   349     QDeclarativeComponent component(&engine, TEST_FILE("/properties.qml"));

   350 

   351     QDeclarativeItem *rootObject = qobject_cast<QDeclarativeItem*>(component.create());

   352     QVERIFY(rootObject);

   353 

   354     QDeclarativeRepeater *repeater = findItem<QDeclarativeRepeater>(rootObject, "repeater");

   355     QVERIFY(repeater);

   356 

   357     QSignalSpy modelSpy(repeater, SIGNAL(modelChanged()));

   358     repeater->setModel(3);

   359     QCOMPARE(modelSpy.count(),1);

   360     repeater->setModel(3);

   361     QCOMPARE(modelSpy.count(),1);

   362 

   363     QSignalSpy delegateSpy(repeater, SIGNAL(delegateChanged()));

   364 

   365     QDeclarativeComponent rectComponent(&engine);

   366     rectComponent.setData("import Qt 4.7; Rectangle {}", QUrl::fromLocalFile(""));

   367 

   368     repeater->setDelegate(&rectComponent);

   369     QCOMPARE(delegateSpy.count(),1);

   370     repeater->setDelegate(&rectComponent);

   371     QCOMPARE(delegateSpy.count(),1);

   372 

   373     delete rootObject;

   374 }

   375 

   376 QDeclarativeView *tst_QDeclarativeRepeater::createView()

   377 {

   378     QDeclarativeView *canvas = new QDeclarativeView(0);

   379     canvas->setFixedSize(240,320);

   380 

   381     return canvas;

   382 }

   383 

   384 template<typename T>

   385 T *tst_QDeclarativeRepeater::findItem(QGraphicsObject *parent, const QString &objectName)

   386 {

   387     const QMetaObject &mo = T::staticMetaObject;

   388     if (mo.cast(parent) && (objectName.isEmpty() || parent->objectName() == objectName))

   389         return static_cast<T*>(parent);

   390     for (int i = 0; i < parent->childItems().count(); ++i) {

   391         QDeclarativeItem *child = qobject_cast<QDeclarativeItem*>(parent->childItems().at(i));

   392         if (!child)

   393             continue;

   394         QDeclarativeItem *item = findItem<T>(child, objectName);

   395         if (item)

   396             return static_cast<T*>(item);

   397     }

   398 

   399     return 0;

   400 }

   401 

   402 QTEST_MAIN(tst_QDeclarativeRepeater)

   403 

   404 #include "tst_qdeclarativerepeater.moc"