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Diffstat (limited to 'src/imports/statemachine/childrenprivate.h')
-rw-r--r-- | src/imports/statemachine/childrenprivate.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/src/imports/statemachine/childrenprivate.h b/src/imports/statemachine/childrenprivate.h new file mode 100644 index 0000000000..7e7b7f37ef --- /dev/null +++ b/src/imports/statemachine/childrenprivate.h @@ -0,0 +1,108 @@ +/**************************************************************************** +** +** Copyright (C) 2014 Ford Motor Company +** 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 QQMLCHILDRENPRIVATE_H +#define QQMLCHILDRENPRIVATE_H + +#include <QAbstractState> +#include <QAbstractTransition> +#include <QStateMachine> +#include <QQmlInfo> +#include <QQmlListProperty> + +template <class T> +class ChildrenPrivate +{ +public: + ChildrenPrivate() + {} + + static void append(QQmlListProperty<QObject> *prop, QObject *item) + { + QAbstractState *state = qobject_cast<QAbstractState*>(item); + if (state) { + if (qobject_cast<QStateMachine*>(item)) + qmlInfo(static_cast<T *>(prop->object)) << "StateMachines should not be nested."; + + item->setParent(prop->object); + } else { + QAbstractTransition *trans = qobject_cast<QAbstractTransition*>(item); + if (trans) + static_cast<T *>(prop->object)->addTransition(trans); + } + static_cast<ChildrenPrivate<T>*>(prop->data)->children.append(item); + emit static_cast<T *>(prop->object)->childrenChanged(); + } + + static void appendNoTransition(QQmlListProperty<QObject> *prop, QObject *item) + { + QAbstractState *state = qobject_cast<QAbstractState*>(item); + if (state) { + if (qobject_cast<QStateMachine*>(item)) + qmlInfo(static_cast<T *>(prop->object)) << "StateMachines should not be nested."; + + item->setParent(prop->object); + } + static_cast<ChildrenPrivate<T>*>(prop->data)->children.append(item); + emit static_cast<T *>(prop->object)->childrenChanged(); + } + + static int count(QQmlListProperty<QObject> *prop) + { + return static_cast<ChildrenPrivate<T>*>(prop->data)->children.count(); + } + + static QObject *at(QQmlListProperty<QObject> *prop, int index) + { + return static_cast<ChildrenPrivate<T>*>(prop->data)->children.at(index); + } + + static void clear(QQmlListProperty<QObject> *prop) + { + static_cast<ChildrenPrivate<T>*>(prop->data)->children.clear(); + emit static_cast<T *>(prop->object)->childrenChanged(); + } + +private: + QList<QObject *> children; +}; + +#endif |