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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt QML Debugger 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 Technology Preview License Agreement accompanying
** this package.
**
** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui/qevent.h>
#include <QtGui/qmenu.h>
#include <QtGui/qaction.h>
#include <QInputDialog>
#include <private/qmldebugservice_p.h>
#include <private/qmldebug_p.h>
#include <private/qmldebugclient_p.h>
#include "objecttree.h"
Q_DECLARE_METATYPE(QmlDebugObjectReference)
ObjectTree::ObjectTree(QmlEngineDebug *client, QWidget *parent)
: QTreeWidget(parent),
m_client(client),
m_query(0)
{
setHeaderHidden(true);
setMinimumWidth(250);
setExpandsOnDoubleClick(false);
connect(this, SIGNAL(currentItemChanged(QTreeWidgetItem *, QTreeWidgetItem *)),
SLOT(currentItemChanged(QTreeWidgetItem *)));
connect(this, SIGNAL(itemActivated(QTreeWidgetItem *, int)),
SLOT(activated(QTreeWidgetItem *)));
}
void ObjectTree::setEngineDebug(QmlEngineDebug *client)
{
m_client = client;
}
void ObjectTree::reload(int objectDebugId)
{
if (!m_client)
return;
if (m_query) {
delete m_query;
m_query = 0;
}
m_query = m_client->queryObjectRecursive(QmlDebugObjectReference(objectDebugId), this);
if (!m_query->isWaiting())
objectFetched();
else
QObject::connect(m_query, SIGNAL(stateChanged(QmlDebugQuery::State)),
this, SLOT(objectFetched()));
}
void ObjectTree::setCurrentObject(int debugId)
{
QTreeWidgetItem *item = findItemByObjectId(debugId);
if (item) {
setCurrentItem(item);
scrollToItem(item);
item->setExpanded(true);
}
}
void ObjectTree::objectFetched()
{
dump(m_query->object(), 0);
buildTree(m_query->object(), 0);
setCurrentItem(topLevelItem(0));
delete m_query;
m_query = 0;
}
void ObjectTree::currentItemChanged(QTreeWidgetItem *item)
{
if (!item)
return;
QmlDebugObjectReference obj = item->data(0, Qt::UserRole).value<QmlDebugObjectReference>();
if (obj.debugId() >= 0)
emit currentObjectChanged(obj);
}
void ObjectTree::activated(QTreeWidgetItem *item)
{
if (!item)
return;
QmlDebugObjectReference obj = item->data(0, Qt::UserRole).value<QmlDebugObjectReference>();
if (obj.debugId() >= 0)
emit activated(obj);
}
void ObjectTree::buildTree(const QmlDebugObjectReference &obj, QTreeWidgetItem *parent)
{
if (!parent)
clear();
QTreeWidgetItem *item = parent ? new QTreeWidgetItem(parent) : new QTreeWidgetItem(this);
item->setText(0, obj.className());
item->setData(0, Qt::UserRole, qVariantFromValue(obj));
if (parent && obj.contextDebugId() >= 0
&& obj.contextDebugId() != parent->data(0, Qt::UserRole
).value<QmlDebugObjectReference>().contextDebugId()) {
QmlDebugFileReference source = obj.source();
if (!source.url().isEmpty()) {
QString toolTipString = QLatin1String("URL: ") + source.url().toString();
item->setToolTip(0, toolTipString);
}
item->setForeground(0, QColor("orange"));
} else {
item->setExpanded(true);
}
if (obj.contextDebugId() < 0)
item->setForeground(0, Qt::lightGray);
for (int ii = 0; ii < obj.children().count(); ++ii)
buildTree(obj.children().at(ii), item);
}
void ObjectTree::dump(const QmlDebugContextReference &ctxt, int ind)
{
QByteArray indent(ind * 4, ' ');
qWarning().nospace() << indent.constData() << ctxt.debugId() << " "
<< qPrintable(ctxt.name());
for (int ii = 0; ii < ctxt.contexts().count(); ++ii)
dump(ctxt.contexts().at(ii), ind + 1);
for (int ii = 0; ii < ctxt.objects().count(); ++ii)
dump(ctxt.objects().at(ii), ind);
}
void ObjectTree::dump(const QmlDebugObjectReference &obj, int ind)
{
QByteArray indent(ind * 4, ' ');
qWarning().nospace() << indent.constData() << qPrintable(obj.className())
<< " " << qPrintable(obj.name()) << " "
<< obj.debugId();
for (int ii = 0; ii < obj.children().count(); ++ii)
dump(obj.children().at(ii), ind + 1);
}
QTreeWidgetItem *ObjectTree::findItemByObjectId(int debugId) const
{
for (int i=0; i<topLevelItemCount(); i++) {
QTreeWidgetItem *item = findItem(topLevelItem(i), debugId);
if (item)
return item;
}
return 0;
}
QTreeWidgetItem *ObjectTree::findItem(QTreeWidgetItem *item, int debugId) const
{
if (item->data(0, Qt::UserRole).value<QmlDebugObjectReference>().debugId() == debugId)
return item;
QTreeWidgetItem *child;
for (int i=0; i<item->childCount(); i++) {
child = findItem(item->child(i), debugId);
if (child)
return child;
}
return 0;
}
void ObjectTree::mousePressEvent(QMouseEvent *me)
{
QTreeWidget::mousePressEvent(me);
if (!currentItem())
return;
if(me->button() == Qt::RightButton && me->type() == QEvent::MouseButtonPress) {
QAction action(tr("Add watch..."), 0);
QList<QAction *> actions;
actions << &action;
QmlDebugObjectReference obj =
currentItem()->data(0, Qt::UserRole).value<QmlDebugObjectReference>();
if (QMenu::exec(actions, me->globalPos())) {
bool ok = false;
QString watch = QInputDialog::getText(this, tr("Watch expression"),
tr("Expression:"), QLineEdit::Normal, QString(), &ok);
if (ok && !watch.isEmpty())
emit expressionWatchRequested(obj, watch);
}
}
}
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