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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2010 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 "vcsmanager.h"
#include "iversioncontrol.h"
#include "icore.h"
#include "filemanager.h"
#include <extensionsystem/pluginmanager.h>
#include <utils/qtcassert.h>
#include <QtCore/QString>
#include <QtCore/QList>
#include <QtCore/QMap>
#include <QtCore/QCoreApplication>
#include <QtCore/QDebug>
#include <QtCore/QFileInfo>
#include <QtGui/QMessageBox>
enum { debug = 0 };
namespace Core {
typedef QList<IVersionControl *> VersionControlList;
typedef QMap<QString, IVersionControl *> VersionControlCache;
static inline VersionControlList allVersionControls()
{
return ExtensionSystem::PluginManager::instance()->getObjects<IVersionControl>();
}
// ---- VCSManagerPrivate:
// Maintains a cache of top-level directory->version control.
struct VCSManagerPrivate {
VersionControlCache m_cachedMatches;
};
VCSManager::VCSManager(QObject *parent) :
QObject(parent),
m_d(new VCSManagerPrivate)
{
}
VCSManager::~VCSManager()
{
delete m_d;
}
void VCSManager::extensionsInitialized()
{
// Change signal connections
FileManager *fileManager = ICore::instance()->fileManager();
foreach (IVersionControl *versionControl, allVersionControls()) {
connect(versionControl, SIGNAL(filesChanged(QStringList)),
fileManager, SIGNAL(filesChangedInternally(QStringList)));
connect(versionControl, SIGNAL(repositoryChanged(QString)),
this, SIGNAL(repositoryChanged(QString)));
}
}
IVersionControl* VCSManager::findVersionControlForDirectory(const QString &directory,
QString *topLevelDirectory)
{
typedef VersionControlCache::const_iterator VersionControlCacheConstIterator;
const VersionControlCacheConstIterator cacheEnd = m_d->m_cachedMatches.constEnd();
if (topLevelDirectory)
topLevelDirectory->clear();
// First check if the directory has an entry, meaning it is a top level
const VersionControlCacheConstIterator fullPathIt = m_d->m_cachedMatches.constFind(directory);
if (fullPathIt != cacheEnd) {
if (topLevelDirectory)
*topLevelDirectory = directory;
return fullPathIt.value();
}
// Split the path, starting from top, try to find the matching repository
int pos = 0;
const QChar slash = QLatin1Char('/');
while (true) {
const int index = directory.indexOf(slash, pos);
if (index == -1)
break;
const QString directoryPart = directory.left(index);
const VersionControlCacheConstIterator it = m_d->m_cachedMatches.constFind(directoryPart);
if (it != cacheEnd) {
if (topLevelDirectory)
*topLevelDirectory = it.key();
return it.value();
}
pos = index + 1;
}
// Nothing: ask the IVersionControls directly, insert the toplevel into the cache.
const VersionControlList versionControls = allVersionControls();
foreach (IVersionControl * versionControl, versionControls) {
if (versionControl->managesDirectory(directory)) {
const QString topLevel = versionControl->findTopLevelForDirectory(directory);
m_d->m_cachedMatches.insert(topLevel, versionControl);
if (topLevelDirectory)
*topLevelDirectory = topLevel;
return versionControl;
}
}
return 0;
}
bool VCSManager::promptToDelete(const QString &fileName)
{
if (IVersionControl *vc = findVersionControlForDirectory(QFileInfo(fileName).absolutePath()))
return promptToDelete(vc, fileName);
return true;
}
bool VCSManager::promptToDelete(IVersionControl *vc, const QString &fileName)
{
QTC_ASSERT(vc, return true)
if (!vc->supportsOperation(IVersionControl::DeleteOperation))
return true;
const QString title = QCoreApplication::translate("VCSManager", "Version Control");
const QString msg = QCoreApplication::translate("VCSManager",
"Would you like to remove this file from the version control system (%1)?\n"
"Note: This might remove the local file.").arg(vc->displayName());
const QMessageBox::StandardButton button =
QMessageBox::question(0, title, msg, QMessageBox::Yes | QMessageBox::No, QMessageBox::Yes);
if (button != QMessageBox::Yes)
return true;
return vc->vcsDelete(fileName);
}
CORE_EXPORT QDebug operator<<(QDebug in, const VCSManager &v)
{
QDebug nospace = in.nospace();
const VersionControlCache::const_iterator cend = v.m_d->m_cachedMatches.constEnd();
for (VersionControlCache::const_iterator it = v.m_d->m_cachedMatches.constBegin(); it != cend; ++it)
nospace << "Directory: " << it.key() << ' ' << it.value()->displayName() << '\n';
nospace << '\n';
return in;
}
} // namespace Core
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