forked from qt-creator/qt-creator
275 lines
8.6 KiB
C++
275 lines
8.6 KiB
C++
/**************************************************************************
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**
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** This file is part of Qt Creator
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**
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** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** Commercial Usage
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**
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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**
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** If you are unsure which license is appropriate for your use, please
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** contact the sales department at http://qt.nokia.com/contact.
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**
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**************************************************************************/
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#include "objectpropertiesview.h"
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#include "inspectorcontext.h"
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#include <QtCore/QDebug>
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#include <QtGui/QTreeWidget>
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#include <QtGui/QLayout>
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#include <QtGui/QHeaderView>
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namespace Qml {
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namespace Internal {
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class PropertiesViewItem : public QObject, public QTreeWidgetItem
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{
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Q_OBJECT
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public:
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enum Type {
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BindingType,
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OtherType
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};
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PropertiesViewItem(QTreeWidget *widget, Type type = OtherType);
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PropertiesViewItem(QTreeWidgetItem *parent, Type type = OtherType);
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QDeclarativeDebugPropertyReference property;
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Type type;
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};
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PropertiesViewItem::PropertiesViewItem(QTreeWidget *widget, Type type)
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: QTreeWidgetItem(widget), type(type)
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{
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}
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PropertiesViewItem::PropertiesViewItem(QTreeWidgetItem *parent, Type type)
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: QTreeWidgetItem(parent), type(type)
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{
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}
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ObjectPropertiesView::ObjectPropertiesView(QDeclarativeEngineDebug *client, QWidget *parent)
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: QWidget(parent),
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m_client(client),
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m_query(0),
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m_watch(0)
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{
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QVBoxLayout *layout = new QVBoxLayout;
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layout->setContentsMargins(0, 0, 0, 0);
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layout->setSpacing(0);
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setLayout(layout);
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m_tree = new QTreeWidget(this);
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m_tree->setFrameStyle(QFrame::NoFrame);
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m_tree->setAlternatingRowColors(true);
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m_tree->setExpandsOnDoubleClick(false);
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m_tree->setRootIsDecorated(false);
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m_tree->setHeaderLabels(QStringList()
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<< tr("Name") << tr("Value") << tr("Type"));
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QObject::connect(m_tree, SIGNAL(itemActivated(QTreeWidgetItem *, int)),
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this, SLOT(itemActivated(QTreeWidgetItem *)));
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connect(m_tree, SIGNAL(itemSelectionChanged()), SLOT(changeItemSelection()));
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m_tree->setColumnCount(3);
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m_tree->header()->setDefaultSectionSize(150);
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layout->addWidget(m_tree);
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}
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void ObjectPropertiesView::changeItemSelection()
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{
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if (m_tree->selectedItems().isEmpty())
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return;
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QString item = m_object.className();
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QString prop = m_tree->selectedItems().first()->text(0);
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emit contextHelpIdChanged(InspectorContext::contextHelpIdForProperty(item, prop));
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}
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void ObjectPropertiesView::setEngineDebug(QDeclarativeEngineDebug *client)
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{
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m_client = client;
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}
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void ObjectPropertiesView::clear()
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{
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setObject(QDeclarativeDebugObjectReference());
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}
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void ObjectPropertiesView::reload(const QDeclarativeDebugObjectReference &obj)
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{
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if (!m_client)
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return;
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if (m_query)
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delete m_query;
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m_query = m_client->queryObjectRecursive(obj, this);
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if (!m_query->isWaiting())
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queryFinished();
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else
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QObject::connect(m_query, SIGNAL(stateChanged(QDeclarativeDebugQuery::State)),
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this, SLOT(queryFinished()));
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}
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void ObjectPropertiesView::queryFinished()
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{
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if (!m_client || !m_query)
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return;
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QDeclarativeDebugObjectReference obj = m_query->object();
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QDeclarativeDebugWatch *watch = m_client->addWatch(obj, this);
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if (watch->state() == QDeclarativeDebugWatch::Dead) {
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delete watch;
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watch = 0;
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} else {
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if (m_watch) {
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m_client->removeWatch(m_watch);
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delete m_watch;
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}
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m_watch = watch;
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QObject::connect(watch, SIGNAL(valueChanged(QByteArray,QVariant)),
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this, SLOT(valueChanged(QByteArray,QVariant)));
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}
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delete m_query;
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m_query = 0;
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setObject(obj);
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}
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void ObjectPropertiesView::setPropertyValue(PropertiesViewItem *item, const QVariant &value, bool makeGray)
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{
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if (value.type() == QVariant::List || value.type() == QVariant::StringList) {
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PropertiesViewItem *bindingItem = static_cast<PropertiesViewItem*>(item->takeChild(item->childCount() - 1));
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if (bindingItem && bindingItem->type != PropertiesViewItem::BindingType) {
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delete bindingItem;
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bindingItem = 0;
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}
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qDeleteAll(item->takeChildren());
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QVariantList variants = value.toList();
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item->setText(1, tr("<%1 items>", "%1 = number of items").arg(variants.count()));
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item->setText(2, QString::fromUtf8(value.typeName()));
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PropertiesViewItem *child;
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for (int i=0; i<variants.count(); ++i) {
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child = new PropertiesViewItem(item);
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setPropertyValue(child, variants[i], makeGray);
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}
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if (bindingItem)
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item->addChild(bindingItem);
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item->setExpanded(false);
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} else {
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item->setText(1, (value.isNull() ? QLatin1String("<no value>") : value.toString()));
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item->setExpanded(true);
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}
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if (makeGray) {
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for (int i=0; i<m_tree->columnCount(); ++i)
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item->setForeground(i, Qt::gray);
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}
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}
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void ObjectPropertiesView::setObject(const QDeclarativeDebugObjectReference &object)
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{
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m_object = object;
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m_tree->clear();
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QList<QDeclarativeDebugPropertyReference> properties = object.properties();
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for (int i=0; i<properties.count(); ++i) {
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const QDeclarativeDebugPropertyReference &p = properties[i];
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PropertiesViewItem *item = new PropertiesViewItem(m_tree);
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item->property = p;
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item->setText(0, p.name());
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item->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEnabled);
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setPropertyValue(item, p.value(), !p.hasNotifySignal());
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item->setText(2, p.valueTypeName());
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// binding is set after property value to ensure it is added to the end of the
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// list, if the value is a list
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if (!p.binding().isEmpty()) {
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PropertiesViewItem *binding = new PropertiesViewItem(item, PropertiesViewItem::BindingType);
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binding->setText(1, p.binding());
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binding->setForeground(1, Qt::darkGreen);
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}
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}
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}
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void ObjectPropertiesView::watchCreated(QDeclarativeDebugWatch *watch)
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{
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if (watch->objectDebugId() == m_object.debugId()
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&& qobject_cast<QDeclarativeDebugPropertyWatch*>(watch)) {
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connect(watch, SIGNAL(stateChanged(QDeclarativeDebugWatch::State)), SLOT(watchStateChanged()));
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setWatched(qobject_cast<QDeclarativeDebugPropertyWatch*>(watch)->name(), true);
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}
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}
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void ObjectPropertiesView::watchStateChanged()
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{
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QDeclarativeDebugWatch *watch = qobject_cast<QDeclarativeDebugWatch*>(sender());
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if (watch->objectDebugId() == m_object.debugId()
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&& qobject_cast<QDeclarativeDebugPropertyWatch*>(watch)
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&& watch->state() == QDeclarativeDebugWatch::Inactive) {
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setWatched(qobject_cast<QDeclarativeDebugPropertyWatch*>(watch)->name(), false);
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}
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}
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void ObjectPropertiesView::setWatched(const QString &property, bool watched)
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{
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for (int i=0; i<m_tree->topLevelItemCount(); ++i) {
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PropertiesViewItem *item = static_cast<PropertiesViewItem *>(m_tree->topLevelItem(i));
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if (item->property.name() == property && item->property.hasNotifySignal()) {
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QFont font = m_tree->font();
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font.setBold(watched);
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item->setFont(0, font);
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}
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}
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}
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void ObjectPropertiesView::valueChanged(const QByteArray &name, const QVariant &value)
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{
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for (int i=0; i<m_tree->topLevelItemCount(); ++i) {
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PropertiesViewItem *item = static_cast<PropertiesViewItem *>(m_tree->topLevelItem(i));
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if (item->property.name() == name) {
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setPropertyValue(item, value, !item->property.hasNotifySignal());
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return;
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}
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}
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}
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void ObjectPropertiesView::itemActivated(QTreeWidgetItem *i)
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{
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PropertiesViewItem *item = static_cast<PropertiesViewItem *>(i);
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if (!item->property.name().isEmpty())
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emit activated(m_object, item->property);
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}
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}
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}
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#include "objectpropertiesview.moc"
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