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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the QtDeclarative module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qmlpropertyview_p.h"
#include <QtGui/qboxlayout.h>
#include <QtGui/qtreewidget.h>
#include <QtCore/qmetaobject.h>
#include <QtCore/qdebug.h>
#include <QtDeclarative/qmlbindablevalue.h>
#include <private/qmlboundsignal_p.h>
QT_BEGIN_NAMESPACE
QmlPropertyView::QmlPropertyView(QmlWatches *watches, QWidget *parent)
: QWidget(parent), m_tree(0), m_watches(watches)
{
QVBoxLayout *layout = new QVBoxLayout;
layout->setContentsMargins(0, 0, 0, 0);
layout->setSpacing(0);
setLayout(layout);
m_tree = new QTreeWidget(this);
m_tree->setHeaderLabels(QStringList() << tr("Property") << tr("Value"));
QObject::connect(m_tree, SIGNAL(itemDoubleClicked(QTreeWidgetItem *, int)),
this, SLOT(itemDoubleClicked(QTreeWidgetItem *)));
QObject::connect(m_tree, SIGNAL(itemClicked(QTreeWidgetItem *, int)),
this, SLOT(itemClicked(QTreeWidgetItem *)));
m_tree->setColumnCount(2);
layout->addWidget(m_tree);
}
class QmlPropertyViewItem : public QObject, public QTreeWidgetItem
{
Q_OBJECT
public:
QmlPropertyViewItem(QTreeWidget *widget);
QmlPropertyViewItem(QTreeWidgetItem *parent);
QObject *object;
QMetaProperty property;
quint32 exprId;
public slots:
void refresh();
};
QmlPropertyViewItem::QmlPropertyViewItem(QTreeWidget *widget)
: QTreeWidgetItem(widget), object(0), exprId(0)
{
}
QmlPropertyViewItem::QmlPropertyViewItem(QTreeWidgetItem *parent)
: QTreeWidgetItem(parent), object(0), exprId(0)
{
}
void QmlPropertyViewItem::refresh()
{
QVariant v = property.read(object);
QString str = v.toString();
if (QmlMetaType::isObject(v.userType()))
str = QmlWatches::objectToString(QmlMetaType::toQObject(v));
setText(1, str);
}
void QmlPropertyView::itemClicked(QTreeWidgetItem *i)
{
QmlPropertyViewItem *item = static_cast<QmlPropertyViewItem *>(i);
if(item->object) {
QVariant v = item->property.read(item->object);
if (QmlMetaType::isObject(v.userType())) {
QObject *obj = QmlMetaType::toQObject(v);
if(obj) {
quint32 id = m_watches->objectId(obj);
emit objectClicked(id);
}
}
}
}
void QmlPropertyView::itemDoubleClicked(QTreeWidgetItem *i)
{
QmlPropertyViewItem *item = static_cast<QmlPropertyViewItem *>(i);
if(item->object) {
quint32 objectId = m_watches->objectId(item->object);
if(m_watches->hasWatch(objectId, item->property.name())) {
m_watches->remWatch(objectId, item->property.name());
item->setForeground(0, Qt::black);
} else {
m_watches->addWatch(objectId, item->property.name());
item->setForeground(0, Qt::red);
}
}
}
void QmlPropertyView::setObject(QObject *object)
{
m_object = object;
m_tree->clear();
if(!m_object)
return;
QMultiHash<QByteArray, QPair<QString, quint32> > bindings;
QHash<QByteArray, QString> sigs;
QObjectList children = object->children();
foreach(QObject *child, children) {
if(QmlBindableValue *value = qobject_cast<QmlBindableValue *>(child)) {
bindings.insert(value->property().name().toUtf8(), qMakePair(value->expression(), value->id()));
} else if(QmlBoundSignal *signal = qobject_cast<QmlBoundSignal *>(child)) {
QMetaMethod method = object->metaObject()->method(signal->index());
QByteArray sig = method.signature();
sigs.insert(sig, signal->expression());
}
}
quint32 objectId = m_watches->objectId(object);
const QMetaObject *mo = object->metaObject();
for(int ii = 0; ii < mo->propertyCount(); ++ii) {
QMetaProperty p = mo->property(ii);
if(QmlMetaType::isList(p.userType()) ||
QmlMetaType::isQmlList(p.userType()))
continue;
QmlPropertyViewItem *item = new QmlPropertyViewItem(m_tree);
item->object = object;
item->property = p;
item->setText(0, QLatin1String(p.name()));
if(m_watches->hasWatch(objectId, p.name()))
item->setForeground(0, Qt::red);
static int refreshIdx = -1;
if(refreshIdx == -1)
refreshIdx = QmlPropertyViewItem::staticMetaObject.indexOfMethod("refresh()");
if(p.hasNotifySignal())
QMetaObject::connect(object, p.notifySignalIndex(),
item, refreshIdx);
QMultiHash<QByteArray, QPair<QString, quint32> >::Iterator iter =
bindings.find(p.name());
while(iter != bindings.end() && iter.key() == p.name()) {
QmlPropertyViewItem *binding = new QmlPropertyViewItem(item);
binding->exprId = iter.value().second;
binding->setText(1, iter.value().first);
binding->setForeground(1, Qt::green);
++iter;
}
item->setExpanded(true);
item->refresh();
}
for(QHash<QByteArray, QString>::ConstIterator iter = sigs.begin();
iter != sigs.end();
++iter) {
QTreeWidgetItem *item = new QTreeWidgetItem(m_tree);
item->setText(0, QString::fromAscii(iter.key()));
item->setForeground(0, Qt::blue);
item->setText(1, iter.value());
}
}
void QmlPropertyView::refresh()
{
setObject(m_object);
}
QT_END_NAMESPACE
#include "qmlpropertyview.moc"
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