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/****************************************************************************
**
** Copyright (C) 2016 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 "metainfo.h"
#include "modelnode.h"
#include "metainforeader.h"
#include "iwidgetplugin.h"
#include <coreplugin/messagebox.h>
#include <coreplugin/icore.h>
#include <utils/filepath.h>
#include "pluginmanager/widgetpluginmanager.h"
#include <QDebug>
#include <QMessageBox>
#include <QDir>
#include <QDirIterator>
#include <QMutex>
enum {
debug = false
};
namespace QmlDesigner {
namespace Internal {
static QString globalMetaInfoPath()
{
#ifdef SHARE_QML_PATH
if (qEnvironmentVariableIsSet("LOAD_QML_FROM_SOURCE"))
return QLatin1String(SHARE_QML_PATH) + "/globalMetaInfo";
#endif
return Core::ICore::resourcePath("qmldesigner/globalMetaInfo").toString();
}
Utils::FilePaths allGlobalMetaInfoFiles()
{
static Utils::FilePaths paths;
if (!paths.isEmpty())
return paths;
QDirIterator it(globalMetaInfoPath(), { "*.metainfo" }, QDir::Files, QDirIterator::Subdirectories);
while (it.hasNext())
paths.append(Utils::FilePath::fromString(it.next()));
return paths;
}
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()
{
#ifndef QMLDESIGNER_TEST
Internal::WidgetPluginManager pluginManager;
for (const QString &pluginDir : qAsConst(m_q->s_pluginDirs))
pluginManager.addPath(pluginDir);
const QList<IWidgetPlugin *> widgetPluginList = pluginManager.instances();
for (IWidgetPlugin *plugin : widgetPluginList) {
Internal::MetaInfoReader reader(*m_q);
try {
reader.readMetaInfoFile(plugin->metaInfo());
} catch (const InvalidMetaInfoException &e) {
qWarning() << e.description();
const QString errorMessage = plugin->metaInfo() + QLatin1Char('\n') + QLatin1Char('\n') + reader.errors().join(QLatin1Char('\n'));
Core::AsynchronousMessageBox::warning(QCoreApplication::translate("QmlDesigner::Internal::MetaInfoPrivate", "Invalid meta info"),
errorMessage);
}
}
const Utils::FilePaths allMetaInfoFiles = allGlobalMetaInfoFiles();
for (const Utils::FilePath &path : allMetaInfoFiles) {
Internal::MetaInfoReader reader(*m_q);
try {
reader.readMetaInfoFile(path.toString());
} catch (const InvalidMetaInfoException &e) {
qWarning() << e.description();
const QString errorMessage = path.toString() + QLatin1Char('\n') + QLatin1Char('\n') + reader.errors().join(QLatin1Char('\n'));
Core::AsynchronousMessageBox::warning(QCoreApplication::translate("QmlDesigner::Internal::MetaInfoPrivate", "Invalid meta info"),
errorMessage);
}
}
#endif
}
} // namespace Internal
using QmlDesigner::Internal::MetaInfoPrivate;
MetaInfo MetaInfo::s_global;
QMutex s_lock;
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) = default;
/*!
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() = default;
/*!
Assigns \a other to this meta information and returns a reference to this
meta information.
*/
MetaInfo& MetaInfo::operator=(const MetaInfo &other) = default;
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()
{
QMutexLocker locker(&s_lock);
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;
global();
clearGlobal();
}
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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