Add qmlinspector plugin.

src/plugins/qmlinspector/components/objectpropertiesview.cpp

@@ -0,0 +1,263 @@
+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** Commercial Usage
+**
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+** 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://qt.nokia.com/contact.
+**
+**************************************************************************/
+#include "objectpropertiesview.h"
+
+#include <private/qmldebugservice_p.h>
+#include <private/qmldebug_p.h>
+#include <private/qmldebugclient_p.h>
+
+#include <QtCore/qdebug.h>
+
+#include <QtGui/qtreewidget.h>
+#include <QtGui/qlayout.h>
+#include <QtGui/qheaderview.h>
+
+
+QT_BEGIN_NAMESPACE
+
+class PropertiesViewItem : public QObject, public QTreeWidgetItem
+{
+    Q_OBJECT
+public:
+    enum Type {
+        BindingType,
+        OtherType
+    };
+    
+    PropertiesViewItem(QTreeWidget *widget, Type type = OtherType);
+    PropertiesViewItem(QTreeWidgetItem *parent, Type type = OtherType);
+
+    QmlDebugPropertyReference property;
+    Type type;
+};
+
+PropertiesViewItem::PropertiesViewItem(QTreeWidget *widget, Type type)
+    : QTreeWidgetItem(widget), type(type)
+{
+}
+
+PropertiesViewItem::PropertiesViewItem(QTreeWidgetItem *parent, Type type)
+    : QTreeWidgetItem(parent), type(type)
+{
+}
+
+ObjectPropertiesView::ObjectPropertiesView(QmlEngineDebug *client, QWidget *parent)
+    : QWidget(parent),
+      m_client(client),
+      m_query(0),
+      m_watch(0)
+{
+    QVBoxLayout *layout = new QVBoxLayout;
+    layout->setContentsMargins(0, 0, 0, 0);
+    layout->setSpacing(0);
+    setLayout(layout);
+
+    m_tree = new QTreeWidget(this);
+    m_tree->setAlternatingRowColors(true);
+    m_tree->setExpandsOnDoubleClick(false);
+    m_tree->setHeaderLabels(QStringList()
+            << tr("Name") << tr("Value") << tr("Type"));
+    QObject::connect(m_tree, SIGNAL(itemActivated(QTreeWidgetItem *, int)),
+                     this, SLOT(itemActivated(QTreeWidgetItem *)));
+
+    m_tree->setColumnCount(3);
+    m_tree->header()->setDefaultSectionSize(150);
+
+    layout->addWidget(m_tree);
+}
+
+void ObjectPropertiesView::setEngineDebug(QmlEngineDebug *client)
+{
+    m_client = client;
+}
+
+void ObjectPropertiesView::clear()
+{
+    setObject(QmlDebugObjectReference());
+}
+
+void ObjectPropertiesView::reload(const QmlDebugObjectReference &obj)
+{
+    if (!m_client)
+        return;
+    if (m_query)
+        delete m_query;
+
+    m_query = m_client->queryObjectRecursive(obj, this);
+    if (!m_query->isWaiting())
+        queryFinished();
+    else
+        QObject::connect(m_query, SIGNAL(stateChanged(QmlDebugQuery::State)),
+                         this, SLOT(queryFinished()));
+}
+
+void ObjectPropertiesView::queryFinished()
+{
+    if (!m_client || !m_query)
+        return;
+
+    QmlDebugObjectReference obj = m_query->object();
+
+    QmlDebugWatch *watch = m_client->addWatch(obj, this);
+    if (watch->state() == QmlDebugWatch::Dead) {
+        delete watch;
+        watch = 0;
+    } else {
+        if (m_watch) {
+            m_client->removeWatch(m_watch);
+            delete m_watch;
+        }
+        m_watch = watch;
+        QObject::connect(watch, SIGNAL(valueChanged(QByteArray,QVariant)),
+                        this, SLOT(valueChanged(QByteArray,QVariant)));
+    }
+
+    delete m_query;
+    m_query = 0;
+
+    setObject(obj);
+}
+
+void ObjectPropertiesView::setPropertyValue(PropertiesViewItem *item, const QVariant &value, bool makeGray)
+{
+    if (value.type() == QVariant::List || value.type() == QVariant::StringList) {
+        PropertiesViewItem *bindingItem = static_cast<PropertiesViewItem*>(item->takeChild(item->childCount() - 1));
+        if (bindingItem && bindingItem->type != PropertiesViewItem::BindingType) {
+            delete bindingItem;
+            bindingItem = 0;
+        }    
+            
+        qDeleteAll(item->takeChildren());
+        
+        QVariantList variants = value.toList();
+        item->setText(1, tr("<%1 items>", "%1 = number of items").arg(variants.count()));
+        item->setText(2, QString::fromUtf8(value.typeName()));
+        
+        PropertiesViewItem *child;
+        for (int i=0; i<variants.count(); ++i) {
+            child = new PropertiesViewItem(item);
+            setPropertyValue(child, variants[i], makeGray);
+        }
+        
+        if (bindingItem)
+            item->addChild(bindingItem);
+
+        item->setExpanded(false);
+    } else {
+        item->setText(1, (value.isNull() ? QLatin1String("<no value>") : value.toString()));
+        item->setExpanded(true);
+    }
+    
+    if (makeGray) {
+        for (int i=0; i<m_tree->columnCount(); ++i)
+            item->setForeground(i, Qt::gray);
+    }    
+}
+
+void ObjectPropertiesView::setObject(const QmlDebugObjectReference &object)
+{
+    m_object = object;
+    m_tree->clear();
+
+    QList<QmlDebugPropertyReference> properties = object.properties();
+    for (int i=0; i<properties.count(); ++i) {
+        const QmlDebugPropertyReference &p = properties[i];
+
+        PropertiesViewItem *item = new PropertiesViewItem(m_tree);
+        item->property = p;
+
+        item->setText(0, p.name());
+        item->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEnabled);
+        
+        setPropertyValue(item, p.value(), !p.hasNotifySignal());
+        item->setText(2, p.valueTypeName());
+
+        // binding is set after property value to ensure it is added to the end of the
+        // list, if the value is a list
+        if (!p.binding().isEmpty()) {
+            PropertiesViewItem *binding = new PropertiesViewItem(item, PropertiesViewItem::BindingType);
+            binding->setText(1, p.binding());
+            binding->setForeground(1, Qt::darkGreen);
+        }
+    }
+}
+
+void ObjectPropertiesView::watchCreated(QmlDebugWatch *watch)
+{
+    if (watch->objectDebugId() == m_object.debugId()
+            && qobject_cast<QmlDebugPropertyWatch*>(watch)) {
+        connect(watch, SIGNAL(stateChanged(QmlDebugWatch::State)), SLOT(watchStateChanged()));
+        setWatched(qobject_cast<QmlDebugPropertyWatch*>(watch)->name(), true);
+    }
+}
+
+void ObjectPropertiesView::watchStateChanged()
+{
+    QmlDebugWatch *watch = qobject_cast<QmlDebugWatch*>(sender());
+
+    if (watch->objectDebugId() == m_object.debugId()
+            && qobject_cast<QmlDebugPropertyWatch*>(watch)
+            && watch->state() == QmlDebugWatch::Inactive) {
+        setWatched(qobject_cast<QmlDebugPropertyWatch*>(watch)->name(), false);
+    }
+}
+
+void ObjectPropertiesView::setWatched(const QString &property, bool watched)
+{
+    for (int i=0; i<m_tree->topLevelItemCount(); ++i) {
+        PropertiesViewItem *item = static_cast<PropertiesViewItem *>(m_tree->topLevelItem(i));
+        if (item->property.name() == property && item->property.hasNotifySignal()) {
+            QFont font = m_tree->font();
+            font.setBold(watched);
+            item->setFont(0, font);
+        }
+    }
+}
+
+void ObjectPropertiesView::valueChanged(const QByteArray &name, const QVariant &value)
+{
+    for (int i=0; i<m_tree->topLevelItemCount(); ++i) {
+        PropertiesViewItem *item = static_cast<PropertiesViewItem *>(m_tree->topLevelItem(i));
+        if (item->property.name() == name) {
+            setPropertyValue(item, value, !item->property.hasNotifySignal());
+            return;
+        }
+    }
+}
+
+void ObjectPropertiesView::itemActivated(QTreeWidgetItem *i)
+{
+    PropertiesViewItem *item = static_cast<PropertiesViewItem *>(i);
+    if (!item->property.name().isEmpty())
+        emit activated(m_object, item->property);
+}
+
+QT_END_NAMESPACE
+
+#include "objectpropertiesview.moc"