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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** 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 Digia. For licensing terms and
** conditions see http://www.qt.io/licensing. For further information
** use the contact form at http://www.qt.io/contact-us.
**
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#include "metainfo.h"
#include "modelnode.h"
#include "metainforeader.h"
#include "iwidgetplugin.h"
#include <qmldesignerwarning.h>
#include "pluginmanager/widgetpluginmanager.h"
#include <QDebug>
#include <QMessageBox>
enum {
debug = false
};
namespace QmlDesigner {
namespace Internal {
class MetaInfoPrivate
{
Q_DISABLE_COPY(MetaInfoPrivate)
public:
MetaInfoPrivate(MetaInfo *q);
void clear();
void initialize();
void parseItemLibraryDescriptions();
QScopedPointer<ItemLibraryInfo> m_itemLibraryInfo;
MetaInfo *m_q;
bool m_isInitialized;
};
MetaInfoPrivate::MetaInfoPrivate(MetaInfo *q) :
m_itemLibraryInfo(new ItemLibraryInfo()),
m_q(q),
m_isInitialized(false)
{
if (!m_q->isGlobal())
m_itemLibraryInfo->setBaseInfo(MetaInfo::global().itemLibraryInfo());
}
void MetaInfoPrivate::clear()
{
m_itemLibraryInfo->clearEntries();
m_isInitialized = false;
}
void MetaInfoPrivate::initialize()
{
parseItemLibraryDescriptions();
m_isInitialized = true;
}
void MetaInfoPrivate::parseItemLibraryDescriptions()
{
Internal::WidgetPluginManager pluginManager;
foreach (const QString &pluginDir, m_q->s_pluginDirs)
pluginManager.addPath(pluginDir);
QList<IWidgetPlugin *> widgetPluginList = pluginManager.instances();
foreach (IWidgetPlugin *plugin, widgetPluginList) {
Internal::MetaInfoReader reader(*m_q);
try {
reader.readMetaInfoFile(plugin->metaInfo());
} catch (InvalidMetaInfoException &e) {
qWarning() << e.description();
const QString errorMessage = plugin->metaInfo() + QLatin1Char('\n') + QLatin1Char('\n') + reader.errors().join(QStringLiteral("\n"));
QmlDesignerWarning::show(QCoreApplication::translate("QmlDesigner::Internal::MetaInfoPrivate", "Invalid meta info"),
errorMessage);
}
}
}
} // namespace Internal
using QmlDesigner::Internal::MetaInfoPrivate;
MetaInfo MetaInfo::s_global;
QStringList MetaInfo::s_pluginDirs;
/*!
\class QmlDesigner::MetaInfo
\ingroup CoreModel
\brief The MetaInfo class provides meta information about QML types and
properties.
*/
/*!
Constructs a copy of \a metaInfo.
*/
MetaInfo::MetaInfo(const MetaInfo &metaInfo) :
m_p(metaInfo.m_p)
{
}
/*!
Creates a meta information object with just the QML types registered statically.
You almost always want to use Model::metaInfo() instead.
You almost certainly want to access the meta information for the model.
\sa Model::metaInfo()
*/
MetaInfo::MetaInfo() :
m_p(new MetaInfoPrivate(this))
{
}
MetaInfo::~MetaInfo()
{
}
/*!
Assigns \a other to this meta information and returns a reference to this
meta information.
*/
MetaInfo& MetaInfo::operator=(const MetaInfo &other)
{
m_p = other.m_p;
return *this;
}
ItemLibraryInfo *MetaInfo::itemLibraryInfo() const
{
return m_p->m_itemLibraryInfo.data();
}
/*!
Accesses the global meta information object.
You almost always want to use Model::metaInfo() instead.
Internally, all meta information objects share this \e global object
where static QML type information is stored.
*/
MetaInfo MetaInfo::global()
{
if (!s_global.m_p->m_isInitialized) {
s_global.m_p = QSharedPointer<MetaInfoPrivate>(new MetaInfoPrivate(&s_global));
s_global.m_p->initialize();
}
return s_global;
}
/*!
Clears the global meta information object.
This function should be called once on application shutdown to free static data structures.
*/
void MetaInfo::clearGlobal()
{
if (s_global.m_p->m_isInitialized)
s_global.m_p->clear();
}
void MetaInfo::setPluginPaths(const QStringList &paths)
{
s_pluginDirs = paths;
}
bool MetaInfo::isGlobal() const
{
return (this->m_p == s_global.m_p);
}
bool operator==(const MetaInfo &first, const MetaInfo &second)
{
return first.m_p == second.m_p;
}
bool operator!=(const MetaInfo &first, const MetaInfo &second)
{
return !(first == second);
}
} //namespace QmlDesigner
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