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/****************************************************************************
**
** Copyright (C) 2012 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://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 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.
**
** 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 "changeselectiondialog.h"
#include "gitplugin.h"
#include "gitclient.h"
#include <QFileDialog>
#include <QMessageBox>
#include <QProcess>
namespace Git {
namespace Internal {
ChangeSelectionDialog::ChangeSelectionDialog(const QString &workingDirectory, QWidget *parent)
: QDialog(parent)
, m_process(0)
{
m_ui.setupUi(this);
if (!workingDirectory.isEmpty()) {
setWorkingDirectory(workingDirectory);
m_ui.workingDirectoryButton->setEnabled(false);
m_ui.workingDirectoryEdit->setEnabled(false);
}
setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
connect(m_ui.workingDirectoryButton, SIGNAL(clicked()), this, SLOT(selectWorkingDirectory()));
setWindowTitle(tr("Select a Git Commit"));
bool ok;
m_gitBinaryPath = GitPlugin::instance()->gitClient()->gitBinaryPath(&ok);
if (!ok)
return;
m_gitEnvironment = GitPlugin::instance()->gitClient()->processEnvironment();
connect(m_ui.changeNumberEdit, SIGNAL(textChanged(QString)),
this, SLOT(recalculateDetails(QString)));
recalculateDetails(m_ui.changeNumberEdit->text());
}
ChangeSelectionDialog::~ChangeSelectionDialog()
{
delete m_process;
}
QString ChangeSelectionDialog::change() const
{
return m_ui.changeNumberEdit->text();
}
QString ChangeSelectionDialog::workingDirectory() const
{
return m_ui.workingDirectoryEdit->text();
}
void ChangeSelectionDialog::setWorkingDirectory(const QString &s)
{
if (s.isEmpty())
return;
m_ui.workingDirectoryEdit->setText(QDir::toNativeSeparators(s));
m_ui.changeNumberEdit->setFocus(Qt::ActiveWindowFocusReason);
m_ui.changeNumberEdit->setText(QLatin1String("HEAD"));
m_ui.changeNumberEdit->selectAll();
}
void ChangeSelectionDialog::selectWorkingDirectory()
{
QString location = QFileDialog::getExistingDirectory(this, tr("Select Working Directory"),
m_ui.workingDirectoryEdit->text());
if (location.isEmpty())
return;
// Verify that the location is a repository
// We allow specifying a directory, which is not the head directory of the repository.
// This is useful for git show commit:./file
QString topLevel = GitPlugin::instance()->gitClient()->findRepositoryForDirectory(location);
if (!topLevel.isEmpty())
m_ui.workingDirectoryEdit->setText(location);
else // Did not find a repo
QMessageBox::critical(this, tr("Error"),
tr("Selected directory is not a Git repository"));
}
//! Set commit message in details
void ChangeSelectionDialog::setDetails(int exitCode)
{
if (exitCode == 0)
m_ui.detailsText->setPlainText(QString::fromUtf8(m_process->readAllStandardOutput()));
else
m_ui.detailsText->setPlainText(tr("Error: unknown reference"));
}
void ChangeSelectionDialog::recalculateDetails(const QString &ref)
{
if (m_process) {
m_process->kill();
m_process->waitForFinished();
delete m_process;
}
QStringList args;
args << QLatin1String("log") << QLatin1String("-n1") << ref;
m_process = new QProcess(this);
m_process->setWorkingDirectory(workingDirectory());
m_process->setProcessEnvironment(m_gitEnvironment);
connect(m_process, SIGNAL(finished(int)), this, SLOT(setDetails(int)));
m_process->start(m_gitBinaryPath, args);
m_process->closeWriteChannel();
if (!m_process->waitForStarted())
m_ui.detailsText->setPlainText(tr("Error: could not start git"));
else
m_ui.detailsText->setPlainText(tr("Fetching commit data..."));
}
} // Internal
} // Git
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