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/****************************************************************************
**
** Copyright (C) 2020 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#include "qmlconnections.h"
#include <metainfo.h>
#include <abstractview.h>
#include <bindingproperty.h>
#include <utils/qtcassert.h>
namespace QmlDesigner {
QmlConnections::QmlConnections()
{
}
QmlConnections::QmlConnections(const ModelNode &modelNode)
: QmlModelNodeFacade(modelNode)
{
}
bool QmlConnections::isValid() const
{
return isValidQmlConnections(modelNode());
}
bool QmlConnections::isValidQmlConnections(const ModelNode &modelNode)
{
return isValidQmlModelNodeFacade(modelNode)
&& modelNode.metaInfo().isValid()
&& (modelNode.type() == "Connections"
|| modelNode.type() == "QtQuick.Connections"
|| modelNode.type() == "Qt.Connections"
|| modelNode.type() == "QtQml.Connections");
}
/*!
Removes connections node.
*/
void QmlConnections::destroy()
{
Q_ASSERT(isValid());
modelNode().destroy();
}
QString QmlConnections::target() const
{
if (modelNode().isValid()) {
const BindingProperty bindingproperty = modelNode().bindingProperty("target");
if (bindingproperty.isValid())
return bindingproperty.expression();
}
return QString();
}
void QmlConnections::setTarget(const QString &target)
{
modelNode().bindingProperty("target").setExpression(target);
}
ModelNode QmlConnections::getTargetNode() const
{
ModelNode result;
if (!modelNode().isValid())
return result;
const BindingProperty bindingProperty = modelNode().bindingProperty("target");
const QString bindExpression = bindingProperty.expression();
if (bindingProperty.isValid()) {
AbstractView *view = modelNode().view();
if (bindExpression.contains(".")) {
QStringList substr = bindExpression.split(".");
const QString itemId = substr.constFirst();
if (substr.size() > 1) {
const ModelNode aliasParent = view->modelNodeForId(itemId);
substr.removeFirst(); // remove id, only alias pieces left
const QString aliasBody = substr.join(".");
if (aliasParent.isValid() && aliasParent.hasBindingProperty(aliasBody.toUtf8())) {
const BindingProperty binding = aliasParent.bindingProperty(aliasBody.toUtf8());
if (binding.isValid() && view->hasId(binding.expression()))
result = view->modelNodeForId(binding.expression());
}
}
} else {
result = view->modelNodeForId(bindExpression);
}
}
return result;
}
QList<SignalHandlerProperty> QmlConnections::signalProperties() const
{
return modelNode().signalProperties();
}
ModelNode QmlConnections::createQmlConnections(AbstractView *view)
{
NodeMetaInfo nodeMetaInfo = view->model()->metaInfo("QtQuick.Connections");
return view->createModelNode("QtQuick.Connections",
nodeMetaInfo.majorVersion(),
nodeMetaInfo.minorVersion());
}
} // QmlDesigner
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