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/****************************************************************************
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
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** 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.
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#include "resetdialog.h"
#include "gitplugin.h"
#include "gitclient.h"
#include <QTreeView>
#include <QLabel>
#include <QDialogButtonBox>
#include <QPushButton>
#include <QStandardItemModel>
#include <QItemSelectionModel>
#include <QVBoxLayout>
#include <QDir>
namespace Git {
namespace Internal {
enum Columns
{
Sha1Column,
SubjectColumn,
ColumnCount
};
ResetDialog::ResetDialog(QWidget *parent)
: QDialog(parent)
, m_treeView(new QTreeView(this))
, m_model(new QStandardItemModel(0, ColumnCount, this))
, m_dialogButtonBox(new QDialogButtonBox(this))
{
QStringList headers;
headers << tr("Sha1")<< tr("Subject");
m_model->setHorizontalHeaderLabels(headers);
QVBoxLayout *layout = new QVBoxLayout(this);
layout->addWidget(new QLabel(tr("Reset to:")));
m_treeView->setModel(m_model);
m_treeView->setMinimumWidth(300);
m_treeView->setUniformRowHeights(true);
m_treeView->setRootIsDecorated(false);
m_treeView->setSelectionBehavior(QAbstractItemView::SelectRows);
layout->addWidget(m_treeView);
layout->addWidget(m_dialogButtonBox);
m_dialogButtonBox->addButton(QDialogButtonBox::Cancel);
QPushButton *okButton = m_dialogButtonBox->addButton(QDialogButtonBox::Ok);
connect(m_treeView, SIGNAL(doubleClicked(QModelIndex)),
okButton, SLOT(animateClick()));
connect(m_dialogButtonBox, SIGNAL(accepted()), this, SLOT(accept()));
connect(m_dialogButtonBox, SIGNAL(rejected()), this, SLOT(reject()));
setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
resize(600, 400);
}
bool ResetDialog::runDialog(const QString &repository)
{
setWindowTitle(tr("Undo Changes to %1").arg(QDir::toNativeSeparators(repository)));
if (!populateLog(repository) || !m_model->rowCount())
return QDialog::Rejected;
m_treeView->selectionModel()->select(m_model->index(0, 0),
QItemSelectionModel::SelectCurrent | QItemSelectionModel::Rows);
return exec() == QDialog::Accepted;
}
QString ResetDialog::commit() const
{
// Return Sha1, or empty for top commit.
if (const QStandardItem *sha1Item = currentItem(Sha1Column))
return sha1Item->row() ? sha1Item->text() : QString();
return QString();
}
bool ResetDialog::populateLog(const QString &repository)
{
if (const int rowCount = m_model->rowCount())
m_model->removeRows(0, rowCount);
// Retrieve log using a custom format "Sha1:Subject"
GitClient *client = GitPlugin::instance()->gitClient();
QStringList arguments;
arguments << QLatin1String("--max-count=30") << QLatin1String("--format=%h:%s");
QString output;
if (!client->synchronousLog(repository, arguments, &output))
return false;
foreach (const QString &line, output.split(QLatin1Char('\n'))) {
const int colonPos = line.indexOf(QLatin1Char(':'));
if (colonPos != -1) {
QList<QStandardItem *> row;
for (int c = 0; c < ColumnCount; ++c) {
QStandardItem *item = new QStandardItem;
item->setFlags(Qt::ItemIsEnabled | Qt::ItemIsSelectable);
row.push_back(item);
}
row[Sha1Column]->setText(line.left(colonPos));
row[SubjectColumn]->setText(line.right(line.size() - colonPos - 1));
m_model->appendRow(row);
}
}
return true;
}
const QStandardItem *ResetDialog::currentItem(int column) const
{
const QModelIndex currentIndex = m_treeView->selectionModel()->currentIndex();
if (currentIndex.isValid())
return m_model->item(currentIndex.row(), column);
return 0;
}
} // namespace Internal
} // namespace Git