Git: Rename ResetDialog -> LogChangeDialog

Required for interactive rebase

Change-Id: I024505bbde1c58a7ccb4ce931322e0f5b467552b
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>

src/plugins/git/logchangedialog.cpp

@@ -0,0 +1,168 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 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 "logchangedialog.h"
+#include "gitplugin.h"
+#include "gitclient.h"
+
+#include <QTreeView>
+#include <QLabel>
+#include <QPushButton>
+#include <QStandardItemModel>
+#include <QDialogButtonBox>
+#include <QItemSelectionModel>
+#include <QVBoxLayout>
+#include <QComboBox>
+#include <QDir>
+
+namespace Git {
+namespace Internal {
+
+enum Columns
+{
+    Sha1Column,
+    SubjectColumn,
+    ColumnCount
+};
+
+LogChangeDialog::LogChangeDialog(bool isReset, QWidget *parent)
+    : QDialog(parent)
+    , m_treeView(new QTreeView(this))
+    , m_model(new QStandardItemModel(0, ColumnCount, this))
+    , m_dialogButtonBox(new QDialogButtonBox(this))
+    , m_resetTypeComboBox(0)
+{
+    QStringList headers;
+    headers << tr("Sha1")<< tr("Subject");
+    m_model->setHorizontalHeaderLabels(headers);
+    QVBoxLayout *layout = new QVBoxLayout(this);
+    layout->addWidget(new QLabel(tr("Reset to:"), this));
+    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);
+    QHBoxLayout *popUpLayout = new QHBoxLayout;
+    if (isReset) {
+        popUpLayout->addWidget(new QLabel(tr("Reset type:"), this));
+        m_resetTypeComboBox = new QComboBox(this);
+        m_resetTypeComboBox->addItem(tr("Hard Reset"), HardReset);
+        m_resetTypeComboBox->addItem(tr("Soft Reset"), SoftReset);
+        popUpLayout->addWidget(m_resetTypeComboBox);
+        popUpLayout->addItem(new QSpacerItem(0, 0, QSizePolicy::Expanding, QSizePolicy::Ignored));
+    }
+
+    popUpLayout->addWidget(m_dialogButtonBox);
+    m_dialogButtonBox->addButton(QDialogButtonBox::Cancel);
+    QPushButton *okButton = m_dialogButtonBox->addButton(QDialogButtonBox::Ok);
+    layout->addLayout(popUpLayout);
+
+    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 LogChangeDialog::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 LogChangeDialog::commit() const
+{
+    // Return Sha1, or empty for top commit.
+    if (const QStandardItem *sha1Item = currentItem(Sha1Column))
+        return sha1Item->row() ? sha1Item->text() :  QString();
+    return QString();
+}
+
+ResetType LogChangeDialog::resetType() const
+{
+    if (!m_resetTypeComboBox)
+        return HardReset;
+    return static_cast<ResetType>(m_resetTypeComboBox->itemData(m_resetTypeComboBox->currentIndex()).toInt());
+}
+
+bool LogChangeDialog::populateLog(const QString &repository)
+{
+    if (const int rowCount = m_model->rowCount())
+        m_model->removeRows(0, rowCount);
+
+    // Retrieve log using a custom format "Sha1:Subject [(refs)]"
+    GitClient *client = GitPlugin::instance()->gitClient();
+    QStringList arguments;
+    arguments << QLatin1String("--max-count=30") << QLatin1String("--format=%h:%s %d");
+    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);
+                if (line.endsWith(QLatin1Char(')'))) {
+                    QFont font = item->font();
+                    font.setItalic(true);
+                    item->setFont(font);
+                }
+                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 *LogChangeDialog::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