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#include "engine.h"
#include <QtDeclarative/qmldebugclient.h>
#include <QPushButton>
#include <QVBoxLayout>
#include <QHBoxLayout>
#include <QLineEdit>
#include <QTreeWidget>
#include <QTableWidget>
#include <QFile>
#include <private/qmlenginedebug_p.h>
#include <QtDeclarative/qmlcomponent.h>
#include <QtDeclarative/qfxitem.h>
QT_BEGIN_NAMESPACE
class DebuggerEngineItem : public QObject
{
Q_OBJECT
Q_PROPERTY(QString name READ name CONSTANT);
Q_PROPERTY(int engineId READ engineId CONSTANT);
public:
DebuggerEngineItem(const QString &name, int id)
: m_name(name), m_engineId(id) {}
QString name() const { return m_name; }
int engineId() const { return m_engineId; }
private:
QString m_name;
int m_engineId;
};
EnginePane::EnginePane(QmlDebugConnection *client, QWidget *parent)
: QWidget(parent), m_client(client), m_engines(0), m_context(0), m_object(0)
{
QVBoxLayout *layout = new QVBoxLayout;
layout->setContentsMargins(0, 0, 0, 0);
setLayout(layout);
QFile enginesFile(":/engines.qml");
enginesFile.open(QFile::ReadOnly);
Q_ASSERT(enginesFile.isOpen());
m_engineView = new QmlView(this);
m_engineView->rootContext()->setContextProperty("engines", qVariantFromValue(&m_engineItems));
m_engineView->setContentResizable(true);
m_engineView->setQml(enginesFile.readAll());
m_engineView->execute();
m_engineView->setFixedHeight(100);
QObject::connect(m_engineView->root(), SIGNAL(engineClicked(int)),
this, SLOT(engineSelected(int)));
QObject::connect(m_engineView->root(), SIGNAL(refreshEngines()),
this, SLOT(queryEngines()));
layout->addWidget(m_engineView);
m_text = new QLineEdit(this);
layout->addWidget(m_text);
QPushButton *query = new QPushButton("Fetch object", this);
QObject::connect(query, SIGNAL(clicked()), this, SLOT(fetchClicked()));
layout->addWidget(query);
QHBoxLayout *hbox = new QHBoxLayout;
hbox->setContentsMargins(0, 0, 0, 0);
m_objTree = new QTreeWidget(this);
m_objTree->setHeaderHidden(true);
connect(m_objTree, SIGNAL(itemClicked(QTreeWidgetItem *, int)), this, SLOT(itemClicked(QTreeWidgetItem *)));
hbox->addWidget(m_objTree);
m_propTable = new QTableWidget(this);
m_propTable->setColumnCount(2);
m_propTable->setColumnWidth(0, 150);
m_propTable->setColumnWidth(1, 400);
m_propTable->setHorizontalHeaderLabels(QStringList() << "name" << "value");
hbox->addWidget(m_propTable);
hbox->setStretchFactor(m_propTable, 2);
layout->addLayout(hbox);
}
void EnginePane::engineSelected(int id)
{
qWarning() << "Engine selected" << id;
queryContext(id);
}
void EnginePane::itemClicked(QTreeWidgetItem *item)
{
m_propTable->clearContents();
if (m_object) {
delete m_object;
m_object = 0;
}
m_object = m_client.queryObjectRecursive(QmlDebugObjectReference(item->data(0, Qt::UserRole).toInt()), this);
if (!m_object->isWaiting())
showProperties();
else
QObject::connect(m_object, SIGNAL(stateChanged(State)),
this, SLOT(showProperties()));
}
void EnginePane::showProperties()
{
QmlDebugObjectReference obj = m_object->object();
m_propTable->setRowCount(obj.properties().count());
for (int ii = 0; ii < obj.properties().count(); ++ii) {
QTableWidgetItem *name = new QTableWidgetItem(obj.properties().at(ii).name());
m_propTable->setItem(ii, 0, name);
QTableWidgetItem *value;
if (!obj.properties().at(ii).binding().isEmpty())
value = new QTableWidgetItem(obj.properties().at(ii).binding());
else
value = new QTableWidgetItem(obj.properties().at(ii).value().toString());
m_propTable->setItem(ii, 1, value);
}
delete m_object; m_object = 0;
}
void EnginePane::queryContext(int id)
{
if (m_context) {
delete m_context;
m_context = 0;
}
m_context = m_client.queryRootContexts(QmlDebugEngineReference(id), this);
if (!m_context->isWaiting())
contextChanged();
else
QObject::connect(m_context, SIGNAL(stateChanged(State)),
this, SLOT(contextChanged()));
}
void EnginePane::contextChanged()
{
dump(m_context->rootContext(), 0);
foreach (const QmlDebugObjectReference &object, m_context->rootContext().objects())
fetchObject(object.debugId());
delete m_context; m_context = 0;
}
void EnginePane::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 EnginePane::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);
}
void EnginePane::buildTree(const QmlDebugObjectReference &obj, QTreeWidgetItem *parent)
{
if (!parent)
m_objTree->clear();
m_objTree->expandAll();
QTreeWidgetItem *item = parent ? new QTreeWidgetItem(parent) : new QTreeWidgetItem(m_objTree);
item->setText(0, obj.className());
item->setData(0, Qt::UserRole, obj.debugId());
for (int ii = 0; ii < obj.children().count(); ++ii)
buildTree(obj.children().at(ii), item);
if (!parent)
m_objTree->expandAll();
}
void EnginePane::queryEngines()
{
if (m_engines)
return;
m_engines = m_client.queryAvailableEngines(this);
if (!m_engines->isWaiting())
enginesChanged();
else
QObject::connect(m_engines, SIGNAL(stateChanged(State)),
this, SLOT(enginesChanged()));
}
void EnginePane::enginesChanged()
{
qDeleteAll(m_engineItems);
m_engineItems.clear();
QList<QmlDebugEngineReference> engines = m_engines->engines();
delete m_engines; m_engines = 0;
for (int ii = 0; ii < engines.count(); ++ii)
m_engineItems << new DebuggerEngineItem(engines.at(ii).name(),
engines.at(ii).debugId());
m_engineView->rootContext()->setContextProperty("engines", qVariantFromValue(&m_engineItems));
}
void EnginePane::fetchClicked()
{
int id = m_text->text().toInt();
fetchObject(id);
}
void EnginePane::fetchObject(int id)
{
if (m_object) {
delete m_object;
m_object = 0;
}
m_object = m_client.queryObjectRecursive(QmlDebugObjectReference(id), this);
if (!m_object->isWaiting())
objectFetched();
else
QObject::connect(m_object, SIGNAL(stateChanged(State)),
this, SLOT(objectFetched()));
}
void EnginePane::objectFetched()
{
dump(m_object->object(), 0);
buildTree(m_object->object(), 0);
delete m_object; m_object = 0;
}
#include "engine.moc"
QT_END_NAMESPACE
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