Provides a dynamic instantiation type which is not tied to visual items.
Change-Id: I42f7332b29b752dcc94979b6e0ec191fc76b96ef
Reviewed-by: Alan Alpert <aalpert@blackberry.com>
Reviewed-by: Gabriel de Dietrich <gabriel.dedietrich@digia.com>
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
#include <private/qqmldelegatemodel_p.h>
#include <private/qqmlobjectmodel_p.h>
#include <private/qquickworkerscript_p.h>
+#include <private/qqmlinstantiator_p.h>
#ifdef Q_OS_WIN // for %APPDATA%
#include <qt_windows.h>
qmlRegisterType<QQmlBind>(uri, versionMajor, versionMinor,"Binding");
qmlRegisterType<QQmlConnections>(uri, versionMajor, versionMinor,"Connections");
qmlRegisterType<QQmlTimer>(uri, versionMajor, versionMinor,"Timer");
+ qmlRegisterType<QQmlInstantiator>(uri, versionMajor, (versionMinor < 1 ? 1 : versionMinor), "Instantiator"); //Only available in >=2.1
qmlRegisterCustomType<QQmlConnections>(uri, versionMajor, versionMinor,"Connections", new QQmlConnectionsParser);
qmlRegisterType<QQmlInstanceModel>();
}
--- /dev/null
+/****************************************************************************
+**
+** Copyright (C) 2013 Research In Motion.
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtQml module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 Digia. For licensing terms and
+** conditions see http://qt.digia.com/licensing. For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights. These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qqmlinstantiator_p.h"
+#include "qqmlinstantiator_p_p.h"
+#include <QtQml/QQmlContext>
+#include <QtQml/QQmlComponent>
+#include <QtQml/QQmlInfo>
+#include <QtQml/QQmlError>
+#include <QtQml/private/qqmlobjectmodel_p.h>
+#include <QtQml/private/qqmldelegatemodel_p.h>
+
+QT_BEGIN_NAMESPACE
+
+QQmlInstantiatorPrivate::QQmlInstantiatorPrivate()
+ : componentComplete(true)
+ , active(true)
+ , async(false)
+ , ownModel(false)
+ , model(QVariant(1))
+ , instanceModel(0)
+ , delegate(0)
+{
+}
+
+QQmlInstantiatorPrivate::~QQmlInstantiatorPrivate()
+{
+ qDeleteAll(objects);
+}
+
+void QQmlInstantiatorPrivate::clear()
+{
+ Q_Q(QQmlInstantiator);
+ if (!instanceModel)
+ return;
+ if (!objects.count())
+ return;
+
+ for (int i=0; i < objects.count(); i++) {
+ q->objectRemoved(i, objects[i]);
+ instanceModel->release(objects[i]);
+ }
+ objects.clear();
+ q->objectChanged();
+}
+
+void QQmlInstantiatorPrivate::regenerate()
+{
+ Q_Q(QQmlInstantiator);
+ if (!componentComplete)
+ return;
+
+ int prevCount = q->count();
+
+ clear();
+
+ if (!active || !instanceModel || !instanceModel->count() || !instanceModel->isValid()) {
+ if (prevCount)
+ q->countChanged();
+ return;
+ }
+
+ for (int i = 0; i < instanceModel->count(); i++) {
+ QObject *object = instanceModel->object(i, async);
+ // If the item was already created we won't get a createdItem
+ if (object)
+ _q_createdItem(i, object);
+ }
+ if (q->count() != prevCount)
+ q->countChanged();
+}
+
+void QQmlInstantiatorPrivate::_q_createdItem(int idx, QObject* item)
+{
+ Q_Q(QQmlInstantiator);
+ if (objects.contains(item)) //Case when it was created synchronously in regenerate
+ return;
+ item->setParent(q);
+ objects << item;
+ if (objects.count() == 1)
+ q->objectChanged();
+ q->objectAdded(idx, item);
+}
+
+void QQmlInstantiatorPrivate::_q_modelUpdated(const QQmlChangeSet &changeSet, bool reset)
+{
+ Q_Q(QQmlInstantiator);
+
+ if (componentComplete)
+ return;
+
+ if (reset) {
+ regenerate();
+ if (changeSet.difference() != 0)
+ q->countChanged();
+ return;
+ }
+
+ int difference = 0;
+ QHash<int, QVector<QPointer<QObject> > > moved;
+ foreach (const QQmlChangeSet::Remove &remove, changeSet.removes()) {
+ int index = qMin(remove.index, objects.count());
+ int count = qMin(remove.index + remove.count, objects.count()) - index;
+ if (remove.isMove()) {
+ moved.insert(remove.moveId, objects.mid(index, count));
+ objects.erase(
+ objects.begin() + index,
+ objects.begin() + index + count);
+ } else while (count--) {
+ QObject *obj = objects.at(index);
+ objects.remove(index);
+ q->objectRemoved(index, obj);
+ if (obj)
+ instanceModel->release(obj);
+ }
+
+ difference -= remove.count;
+ }
+
+ foreach (const QQmlChangeSet::Insert &insert, changeSet.inserts()) {
+ int index = qMin(insert.index, objects.count());
+ if (insert.isMove()) {
+ QVector<QPointer<QObject> > movedObjects = moved.value(insert.moveId);
+ objects = objects.mid(0, index) + movedObjects + objects.mid(index);
+ } else for (int i = 0; i < insert.count; ++i) {
+ int modelIndex = index + i;
+ QObject* obj = instanceModel->object(i, async);
+ if (obj)
+ _q_createdItem(modelIndex, obj);
+ }
+ difference += insert.count;
+ }
+
+ if (difference != 0)
+ q->countChanged();
+}
+
+void QQmlInstantiatorPrivate::makeModel()
+{
+ Q_Q(QQmlInstantiator);
+ QQmlDelegateModel* delegateModel = new QQmlDelegateModel(qmlContext(q));
+ instanceModel = delegateModel;
+ ownModel = true;
+ delegateModel->setDelegate(delegate);
+ delegateModel->classBegin(); //Pretend it was made in QML
+ if (componentComplete)
+ delegateModel->componentComplete();
+}
+
+
+/*!
+ \qmltype Instantiator
+ \instantiates QQmlInstantiator
+ \inqmlmodule QtQml 2
+ \brief Dynamically creates objects
+
+ A Instantiator can be used to control the dynamic creation of objects, or to dynamically
+ create multiple objects from a template.
+
+ The Instantiator element will manage the objects it creates. Those objects are parented to the
+ Instantiator and can also be deleted by the Instantiator if the Instantiator's properties change. Objects
+ can also be destroyed dynamically through other means, and the Instantiator will not recreate
+ them unless the properties of the Instantiator change.
+
+*/
+QQmlInstantiator::QQmlInstantiator(QObject *parent)
+ : QObject(*(new QQmlInstantiatorPrivate), parent)
+{
+}
+
+QQmlInstantiator::~QQmlInstantiator()
+{
+}
+
+/*!
+ \qmlsignal QtQml2::Instantiator::onObjectAdded(int index, QtObject object)
+
+ This handler is called when an object is added to the Instantiator. The \a index
+ parameter holds the index which the object has been given, and the \a object
+ parameter holds the \l QtObject that has been added.
+*/
+
+/*!
+ \qmlsignal QtQml2::Instantiator::onObjectRemoved(int index, QtObject object)
+
+ This handler is called when an object is added to the Instantiator. The \a index
+ parameter holds the index which the object had been given, and the \a object
+ parameter holds the \l QtObject that has been removed.
+
+ Do not keep a reference to \a object if it was created by this Instantiator, as
+ in these cases it will be deleted shortly after the handler is called.
+*/
+/*!
+ \qmlproperty bool QtQml2::Instantiator::active
+
+ When active is true, and the delegate component is ready, the Instantiator will
+ create objects according to the model. When active is false, no objects
+ will be created and any previously created objects will be destroyed.
+
+ Default is true.
+*/
+bool QQmlInstantiator::isActive() const
+{
+ Q_D(const QQmlInstantiator);
+ return d->active;
+}
+
+void QQmlInstantiator::setActive(bool newVal)
+{
+ Q_D(QQmlInstantiator);
+ if (newVal == d->active)
+ return;
+ d->active = newVal;
+ emit activeChanged();
+ d->regenerate();
+}
+
+/*!
+ \qmlproperty bool QtQml2::Instantiator::asynchronous
+
+ When asynchronous is true the Instantiator will attempt to create objects
+ asynchronously. This means that objects may not be available immediately,
+ even if active is set to true.
+
+ You can use the objectAdded signal to respond to items being created.
+
+ Default is false.
+*/
+bool QQmlInstantiator::isAsync() const
+{
+ Q_D(const QQmlInstantiator);
+ return d->async;
+}
+
+void QQmlInstantiator::setAsync(bool newVal)
+{
+ Q_D(QQmlInstantiator);
+ if (newVal == d->async)
+ return;
+ d->async = newVal;
+ emit asynchronousChanged();
+}
+
+
+/*!
+ \qmlproperty int QtQml2::Instantiator::count
+
+ The number of objects the Instantiator is currently managing.
+*/
+
+int QQmlInstantiator::count() const
+{
+ Q_D(const QQmlInstantiator);
+ return d->objects.count();
+}
+
+/*!
+ \qmlproperty QtQml2::Component QtQml2::Instantiator::delegate
+ \default
+
+ The component used to create all objects.
+
+ Note that an extra variable, index, will be available inside instances of the
+ delegate. This variable refers to the index of the instance inside the Instantiator,
+ and can be used to obtain the object through the itemAt method of the Instantiator.
+
+ If this property is changed, all instances using the old delegate will be destroyed
+ and new instances will be created using the new delegate.
+*/
+QQmlComponent* QQmlInstantiator::delegate()
+{
+ Q_D(QQmlInstantiator);
+ return d->delegate;
+}
+
+void QQmlInstantiator::setDelegate(QQmlComponent* c)
+{
+ Q_D(QQmlInstantiator);
+ if (c == d->delegate)
+ return;
+
+ d->delegate = c;
+ emit delegateChanged();
+
+ if (!d->ownModel)
+ return;
+
+ if (QQmlDelegateModel *dModel = qobject_cast<QQmlDelegateModel*>(d->instanceModel))
+ dModel->setDelegate(c);
+ if (d->componentComplete)
+ d->regenerate();
+}
+
+/*!
+ \qmlproperty variant QtQml2::Instantiator::model
+
+ This property can be set to any of the supported \l {qml-data-models}{data models}:
+
+ \list
+ \li A number that indicates the number of delegates to be created by the repeater
+ \li A model (e.g. a ListModel item, or a QAbstractItemModel subclass)
+ \li A string list
+ \li An object list
+ \endlist
+
+ The type of model affects the properties that are exposed to the \l delegate.
+
+ Default value is 1, which creates a single delegate instance.
+
+ \sa {qml-data-models}{Data Models}
+*/
+
+QVariant QQmlInstantiator::model() const
+{
+ Q_D(const QQmlInstantiator);
+ return d->model;
+}
+
+void QQmlInstantiator::setModel(const QVariant &v)
+{
+ Q_D(QQmlInstantiator);
+ if (d->model == v)
+ return;
+
+ d->model = v;
+ //Don't actually set model until componentComplete in case it wants to create its delegates immediately
+ if (!d->componentComplete)
+ return;
+
+ QQmlInstanceModel *prevModel = d->instanceModel;
+ QObject *object = qvariant_cast<QObject*>(v);
+ QQmlInstanceModel *vim = 0;
+ if (object && (vim = qobject_cast<QQmlInstanceModel *>(object))) {
+ if (d->ownModel) {
+ delete d->instanceModel;
+ d->ownModel = false;
+ }
+ d->instanceModel = vim;
+ } else if (v != QVariant(0)){
+ if (!d->ownModel)
+ d->makeModel();
+
+ if (QQmlDelegateModel *dataModel = qobject_cast<QQmlDelegateModel *>(d->instanceModel))
+ dataModel->setModel(v);
+ }
+
+ if (d->instanceModel != prevModel) {
+ if (prevModel) {
+ disconnect(prevModel, SIGNAL(modelUpdated(QQmlChangeSet,bool)),
+ this, SLOT(_q_modelUpdated(QQmlChangeSet,bool)));
+ disconnect(prevModel, SIGNAL(createdItem(int,QObject*)), this, SLOT(_q_createdItem(int,QObject*)));
+ //disconnect(prevModel, SIGNAL(initItem(int,QObject*)), this, SLOT(initItem(int,QObject*)));
+ }
+
+ connect(d->instanceModel, SIGNAL(modelUpdated(QQmlChangeSet,bool)),
+ this, SLOT(_q_modelUpdated(QQmlChangeSet,bool)));
+ connect(d->instanceModel, SIGNAL(createdItem(int,QObject*)), this, SLOT(_q_createdItem(int,QObject*)));
+ //connect(d->instanceModel, SIGNAL(initItem(int,QObject*)), this, SLOT(initItem(int,QObject*)));
+ }
+
+ d->regenerate();
+ emit modelChanged();
+}
+
+/*!
+ \qmlproperty QtQml2::QtObject QtQml2::Instantiator::object
+
+ This is a reference to the first created object, intended as a convenience
+ for the case where only one object has been created.
+*/
+QObject *QQmlInstantiator::object() const
+{
+ Q_D(const QQmlInstantiator);
+ if (d->objects.count())
+ return d->objects[0];
+ return 0;
+}
+
+/*!
+ \qmlmethod QtQml2::QtObject QtQml2::Instantiator::objectAt
+
+ Returns a reference to the object with the given \a index.
+*/
+QObject *QQmlInstantiator::objectAt(int index) const
+{
+ Q_D(const QQmlInstantiator);
+ if (index >= 0 && index < d->objects.count())
+ return d->objects[index];
+ return 0;
+}
+
+/*!
+ \internal
+*/
+void QQmlInstantiator::classBegin()
+{
+ Q_D(QQmlInstantiator);
+ d->componentComplete = false;
+}
+
+/*!
+ \internal
+*/
+void QQmlInstantiator::componentComplete()
+{
+ Q_D(QQmlInstantiator);
+ d->componentComplete = true;
+ if (d->ownModel) {
+ static_cast<QQmlDelegateModel*>(d->instanceModel)->componentComplete();
+ d->regenerate();
+ } else {
+ QVariant realModel = d->model;
+ d->model = QVariant(0);
+ setModel(realModel); //If realModel == d->model this won't do anything, but that's fine since the model's 0
+ //setModel calls regenerate
+ }
+}
+
+QT_END_NAMESPACE
+
+#include "moc_qqmlinstantiator_p.cpp"
--- /dev/null
+/****************************************************************************
+**
+** Copyright (C) 2013 Research In Motion.
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtQml module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 Digia. For licensing terms and
+** conditions see http://qt.digia.com/licensing. For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights. These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QQMLINSTANTIATOR_P_H
+#define QQMLINSTANTIATOR_P_H
+
+#include <QtQml/qqmlcomponent.h>
+#include <QtQml/qqmlparserstatus.h>
+
+QT_BEGIN_NAMESPACE
+
+class QQmlInstantiatorPrivate;
+class Q_AUTOTEST_EXPORT QQmlInstantiator : public QObject, public QQmlParserStatus
+{
+ Q_OBJECT
+ Q_INTERFACES(QQmlParserStatus)
+
+ Q_PROPERTY(bool active READ isActive WRITE setActive NOTIFY activeChanged)
+ Q_PROPERTY(bool asynchronous READ isAsync WRITE setAsync NOTIFY asynchronousChanged)
+ Q_PROPERTY(QVariant model READ model WRITE setModel NOTIFY modelChanged)
+ Q_PROPERTY(int count READ count NOTIFY countChanged)
+ Q_PROPERTY(QQmlComponent *delegate READ delegate WRITE setDelegate NOTIFY delegateChanged)
+ Q_PROPERTY(QObject *object READ object NOTIFY objectChanged)
+ Q_CLASSINFO("DefaultProperty", "delegate")
+
+public:
+ QQmlInstantiator(QObject *parent = 0);
+ virtual ~QQmlInstantiator();
+
+ bool isActive() const;
+ void setActive(bool newVal);
+
+ bool isAsync() const;
+ void setAsync(bool newVal);
+
+ int count() const;
+
+ QQmlComponent* delegate();
+ void setDelegate(QQmlComponent* c);
+
+ QVariant model() const;
+ void setModel(const QVariant &v);
+
+ QObject *object() const;
+
+ Q_INVOKABLE QObject *objectAt(int index) const;
+
+ void classBegin();
+ void componentComplete();
+
+Q_SIGNALS:
+ void modelChanged();
+ void delegateChanged();
+ void countChanged();
+ void objectChanged();
+ void activeChanged();
+ void asynchronousChanged();
+
+ void objectAdded(int index, QObject* object);
+ void objectRemoved(int index, QObject* object);
+
+private:
+ Q_DISABLE_COPY(QQmlInstantiator)
+ Q_DECLARE_PRIVATE(QQmlInstantiator)
+ Q_PRIVATE_SLOT(d_func(), void _q_createdItem(int, QObject *))
+ Q_PRIVATE_SLOT(d_func(), void _q_modelUpdated(const QQmlChangeSet &, bool))
+};
+
+QT_END_NAMESPACE
+
+#endif // QQMLCREATOR_P_H
--- /dev/null
+/****************************************************************************
+**
+** Copyright (C) 2013 Research In Motion.
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtQml module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 Digia. For licensing terms and
+** conditions see http://qt.digia.com/licensing. For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights. These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QQMLINSTANTIATOR_P_P_H
+#define QQMLINSTANTIATOR_P_P_H
+
+//
+// W A R N I N G
+// -------------
+//
+// This file is not part of the Qt API. It exists purely as an
+// implementation detail. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qqmlinstantiator_p.h"
+#include <QObject>
+#include <private/qobject_p.h>
+#include <private/qqmlchangeset_p.h>
+#include <private/qqmlobjectmodel_p.h>
+
+QT_BEGIN_NAMESPACE
+
+class QQmlInstantiatorPrivate : public QObjectPrivate
+{
+ Q_DECLARE_PUBLIC(QQmlInstantiator)
+
+public:
+ QQmlInstantiatorPrivate();
+ ~QQmlInstantiatorPrivate();
+
+ void clear();
+ void regenerate();
+ void makeModel();
+ void _q_createdItem(int, QObject *);
+ void _q_modelUpdated(const QQmlChangeSet &, bool);
+
+ bool componentComplete;
+ bool active;
+ bool async;
+ bool ownModel;
+ QVariant model;
+ QQmlInstanceModel *instanceModel;
+ QQmlComponent *delegate;
+ QVector<QPointer<QObject> > objects;
+};
+
+QT_END_NAMESPACE
+
+#endif // QQMLCREATOR_P_P_H
$$PWD/qqmlobjectmodel.cpp \
$$PWD/qqmltimer.cpp \
$$PWD/qquickpackage.cpp \
- $$PWD/qquickworkerscript.cpp
+ $$PWD/qquickworkerscript.cpp \
+ $$PWD/qqmlinstantiator.cpp
HEADERS += \
$$PWD/qqmlbind_p.h \
$$PWD/qqmlobjectmodel_p.h \
$$PWD/qqmltimer_p.h \
$$PWD/qquickpackage_p.h \
- $$PWD/qquickworkerscript_p.h
-
+ $$PWD/qquickworkerscript_p.h \
+ $$PWD/qqmlinstantiator_p.h \
+ $$PWD/qqmlinstantiator_p_p.h
qqmlbundle \
qrcqml \
v4 \
- qqmltimer
+ qqmltimer \
+ qqmlinstantiator
qtHaveModule(widgets) {
PUBLICTESTS += \
--- /dev/null
+import QtQml 2.1
+
+Instantiator {
+ model: 10
+ delegate: QtObject {
+ property bool success: true
+ property int idx: index
+ }
+}
--- /dev/null
+import QtQml 2.1
+
+Instantiator {
+ model: 0
+ property bool success: true
+ QtObject {
+ property bool success: true
+ property int idx: index
+ }
+ onObjectChanged: success = false;//Don't create intermediate objects
+ onCountChanged: success = false;//Don't create intermediate objects
+}
--- /dev/null
+import QtQml 2.1
+
+Instantiator {
+ QtObject {
+ property bool success: true
+ property int idx: index
+ }
+}
--- /dev/null
+import QtQml 2.1
+
+Instantiator {
+ active: false
+ QtObject {
+ property bool success: true
+ property int idx: index
+ }
+}
--- /dev/null
+import QtQml 2.1
+
+Instantiator {
+ model: ["alpha", "beta", "gamma", "delta"]
+ delegate: QtObject {
+ property bool success: index == 1 ? datum.length == 4 : datum.length == 5
+ property string datum: modelData
+ }
+}
--- /dev/null
+CONFIG += testcase
+TARGET = tst_qqmlinstantiator
+macx:CONFIG -= app_bundle
+
+INCLUDEPATH += ../../shared/
+SOURCES += tst_qqmlinstantiator.cpp
+
+include (../../shared/util.pri)
+
+TESTDATA = data/*
+
+QT += core-private gui-private qml-private testlib
--- /dev/null
+/****************************************************************************
+**
+** Copyright (C) 2013 Research In Motion.
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 Digia. For licensing terms and
+** conditions see http://qt.digia.com/licensing. For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights. These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#include <qtest.h>
+#include <QSignalSpy>
+#include <QDebug>
+
+#include <QtQml/qqmlengine.h>
+#include <QtQml/qqmlcomponent.h>
+#include <QtQml/private/qqmlinstantiator_p.h>
+#include "../../shared/util.h"
+
+class tst_qqmlinstantiator: public QQmlDataTest
+{
+ Q_OBJECT
+
+private slots:
+ void createNone();
+ void createSingle();
+ void createMultiple();
+ void stringModel();
+ void activeProperty();
+ void intModelChange();
+};
+
+void tst_qqmlinstantiator::createNone()
+{
+ QQmlEngine engine;
+ QQmlComponent component(&engine, testFileUrl("createNone.qml"));
+ QQmlInstantiator *instantiator = qobject_cast<QQmlInstantiator*>(component.create());
+ QVERIFY(instantiator != 0);
+ QCOMPARE(instantiator->isActive(), true);
+ QCOMPARE(instantiator->count(), 0);
+ QCOMPARE(instantiator->property("success").toBool(), true);
+ QVERIFY(instantiator->delegate()->isReady());
+}
+
+void tst_qqmlinstantiator::createSingle()
+{
+ QQmlEngine engine;
+ QQmlComponent component(&engine, testFileUrl("createSingle.qml"));
+ QQmlInstantiator *instantiator = qobject_cast<QQmlInstantiator*>(component.create());
+ QVERIFY(instantiator != 0);
+ QCOMPARE(instantiator->isActive(), true);
+ QCOMPARE(instantiator->count(), 1);
+ QVERIFY(instantiator->delegate()->isReady());
+
+ QObject *object = instantiator->object();
+ QVERIFY(object);
+ QCOMPARE(object->parent(), instantiator);
+ QCOMPARE(object->property("success").toBool(), true);
+ QCOMPARE(object->property("idx").toInt(), 0);
+}
+
+void tst_qqmlinstantiator::createMultiple()
+{
+ QQmlEngine engine;
+ QQmlComponent component(&engine, testFileUrl("createMultiple.qml"));
+ QQmlInstantiator *instantiator = qobject_cast<QQmlInstantiator*>(component.create());
+ QVERIFY(instantiator != 0);
+ QCOMPARE(instantiator->isActive(), true);
+ QCOMPARE(instantiator->count(), 10);
+
+ for (int i=0; i<10; i++) {
+ QObject *object = instantiator->objectAt(i);
+ QVERIFY(object);
+ QCOMPARE(object->parent(), instantiator);
+ QCOMPARE(object->property("success").toBool(), true);
+ QCOMPARE(object->property("idx").toInt(), i);
+ }
+}
+
+void tst_qqmlinstantiator::stringModel()
+{
+ QQmlEngine engine;
+ QQmlComponent component(&engine, testFileUrl("stringModel.qml"));
+ QQmlInstantiator *instantiator = qobject_cast<QQmlInstantiator*>(component.create());
+ QVERIFY(instantiator != 0);
+ QCOMPARE(instantiator->isActive(), true);
+ QCOMPARE(instantiator->count(), 4);
+
+ for (int i=0; i<4; i++) {
+ QObject *object = instantiator->objectAt(i);
+ QVERIFY(object);
+ QCOMPARE(object->parent(), instantiator);
+ QCOMPARE(object->property("success").toBool(), true);
+ }
+}
+
+void tst_qqmlinstantiator::activeProperty()
+{
+ QQmlEngine engine;
+ QQmlComponent component(&engine, testFileUrl("inactive.qml"));
+ QQmlInstantiator *instantiator = qobject_cast<QQmlInstantiator*>(component.create());
+ QVERIFY(instantiator != 0);
+ QSignalSpy activeSpy(instantiator, SIGNAL(activeChanged()));
+ QSignalSpy countSpy(instantiator, SIGNAL(countChanged()));
+ QSignalSpy objectSpy(instantiator, SIGNAL(objectChanged()));
+ QSignalSpy modelSpy(instantiator, SIGNAL(modelChanged()));
+ QCOMPARE(instantiator->isActive(), false);
+ QCOMPARE(instantiator->count(), 0);
+ QVERIFY(instantiator->delegate()->isReady());
+
+ QCOMPARE(activeSpy.count(), 0);
+ QCOMPARE(countSpy.count(), 0);
+ QCOMPARE(objectSpy.count(), 0);
+ QCOMPARE(modelSpy.count(), 0);
+
+ instantiator->setActive(true);
+ QCOMPARE(instantiator->isActive(), true);
+ QCOMPARE(instantiator->count(), 1);
+
+ QCOMPARE(activeSpy.count(), 1);
+ QCOMPARE(countSpy.count(), 1);
+ QCOMPARE(objectSpy.count(), 1);
+ QCOMPARE(modelSpy.count(), 0);
+
+ QObject *object = instantiator->object();
+ QVERIFY(object);
+ QCOMPARE(object->parent(), instantiator);
+ QCOMPARE(object->property("success").toBool(), true);
+ QCOMPARE(object->property("idx").toInt(), 0);
+}
+
+void tst_qqmlinstantiator::intModelChange()
+{
+ QQmlEngine engine;
+ QQmlComponent component(&engine, testFileUrl("createMultiple.qml"));
+ QQmlInstantiator *instantiator = qobject_cast<QQmlInstantiator*>(component.create());
+ QVERIFY(instantiator != 0);
+ QSignalSpy activeSpy(instantiator, SIGNAL(activeChanged()));
+ QSignalSpy countSpy(instantiator, SIGNAL(countChanged()));
+ QSignalSpy objectSpy(instantiator, SIGNAL(objectChanged()));
+ QSignalSpy modelSpy(instantiator, SIGNAL(modelChanged()));
+ QCOMPARE(instantiator->count(), 10);
+
+ QCOMPARE(activeSpy.count(), 0);
+ QCOMPARE(countSpy.count(), 0);
+ QCOMPARE(objectSpy.count(), 0);
+ QCOMPARE(modelSpy.count(), 0);
+
+ instantiator->setModel(QVariant(2));
+ QCOMPARE(instantiator->count(), 2);
+
+ QCOMPARE(activeSpy.count(), 0);
+ QCOMPARE(countSpy.count(), 1);
+ QCOMPARE(objectSpy.count(), 2);
+ QCOMPARE(modelSpy.count(), 1);
+
+ for (int i=0; i<2; i++) {
+ QObject *object = instantiator->objectAt(i);
+ QVERIFY(object);
+ QCOMPARE(object->parent(), instantiator);
+ QCOMPARE(object->property("success").toBool(), true);
+ QCOMPARE(object->property("idx").toInt(), i);
+ }
+}
+
+QTEST_MAIN(tst_qqmlinstantiator)
+
+#include "tst_qqmlinstantiator.moc"
projects / platform / upstream / qtdeclarative.git / commitdiff