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/****************************************************************************
**
** Copyright (C) 2013 Sandro S. Andrade <sandroandrade@kde.org>
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtModeling 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 "qmodelingobject.h"
#include "qmodelingobject_p.h"
#include <QtModeling/QModelingElement>
QT_BEGIN_NAMESPACE
/*!
\class QModelingObject
\inmodule QtModeling
\brief The QModelingObject class acts as base class for all QObject-based representation of modeling elements.
\sa QModelingElement
*/
QHash< QString, QHash< QString, QHash<QtModeling::MetaPropertyDataRole, QVariant> > > QModelingObject::propertyDataHash;
QModelingObjectPrivate::QModelingObjectPrivate()
{
}
QModelingObjectPrivate::~QModelingObjectPrivate()
{
qDeleteAll(groupProperties);
}
/*!
Destroys the QModelingObject.
*/
QModelingObject::~QModelingObject()
{
if (!property("deletingFromModelingObject").isValid()) {
qmodelingelementproperty_cast<QModelingElement *>(this)->deletingFromQModelingObject = true;
// Force removal of element from other element's property lists before element gets actually
// destroy in the following sentence.
emit destroyed(this);
delete qmodelingelementproperty_cast<QModelingElement *>(this);
}
}
/*!
Returs true if \a metaProperty has been modified (dirty property) since object creation. This
function returns false if property has not been modified or its RESET function has been called.
*/
bool QModelingObject::isPropertyModified(QMetaProperty metaProperty) const
{
Q_D(const QModelingObject);
return d->modifiedResettableProperties.contains(QString::fromLatin1(metaProperty.name()));
}
/*!
Returns \a metaProperty's metadata identified by \a role and associated with \a className in the
pseudo inheritance tree.
*/
QVariant QModelingObject::propertyData(QString className, QMetaProperty metaProperty, QtModeling::MetaPropertyDataRole role)
{
return QModelingObject::propertyDataHash[className][QString::fromLatin1(metaProperty.name())][role];
}
/*!
\fn void QModelingObject::setPropertyData()
This virtual pure function allows for subclasses to define metaproperty metadata.
*/
/*!
Returns the index of the \a metaProperty's group in the QStringList returned by propertyGroups().
*/
int QModelingObject::propertyGroupIndex(QMetaProperty metaProperty) const
{
Q_D(const QModelingObject);
int groupIndex = 0;
foreach (QString group, d->propertyGroups) {
foreach (QMetaProperty *metaPropertyPointer, d->groupProperties.values(group))
if (metaPropertyPointer->name() == metaProperty.name())
return groupIndex;
++groupIndex;
}
return -1;
}
/*!
Returns the property groups (classes in the pseudo inheritance tree) for this QModelingObject.
*/
const QStringList &QModelingObject::propertyGroups() const
{
Q_D(const QModelingObject);
return d->propertyGroups;
}
/*!
Returns a QMultiHash containing all property groups and their corresponding properties.
*/
const QMultiHash<QString, QMetaProperty *> &QModelingObject::groupProperties() const
{
Q_D(const QModelingObject);
return d->groupProperties;
}
/*!
\fn void QModelingObject::setGroupProperties()
This virtual pure function allows for subclasses to define new metaproperty groups.
*/
/*!
Returns all QModelingObject's properties that have been modified since object creation.
*/
QStringList &QModelingObject::modifiedResettableProperties()
{
Q_D(QModelingObject);
return d->modifiedResettableProperties;
}
/*!
Returns true if the QModelingObject is a kind of \a type in the pseudo inheritance tree, otherwise returns false.
*/
bool QModelingObject::isKindOf(QString type) const
{
Q_D(const QModelingObject);
return d->propertyGroups.contains(type);
}
void QModelingObject::setObjectName(const QString &name)
{
QObject::setObjectName(name);
if (metaObject()->indexOfProperty("name") != -1)
setProperty("name", name);
}
/*!
Creates a new QModelingObject with the given \a parent. This is a protected constructor
since this class is not intended to be directly instantiated.
*/
QModelingObject::QModelingObject(QObject *parent)
: QObject(*new QModelingObjectPrivate, parent)
{
}
QT_END_NAMESPACE
|
