Gerrit: Added pushToGerrit dialog

Change-Id: Ic16eae2def11343ef7be5ce8378d24b5fd11a386
Reviewed-by: Petar Perisin <petar.perisin@gmail.com>
Reviewed-by: Orgad Shaneh <orgads@gmail.com>
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>

src/plugins/git/gerrit/gerritpushdialog.cpp

@@ -0,0 +1,203 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Petar Perisin.
+** Contact: petar.perisin@gmail.com
+**
+** 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 "gerritpushdialog.h"
+#include "ui_gerritpushdialog.h"
+
+#include "../gitplugin.h"
+#include "../gitclient.h"
+#include <coreplugin/icore.h>
+
+#include <QDir>
+#include <QMessageBox>
+
+namespace Gerrit {
+namespace Internal {
+
+GerritPushDialog::GerritPushDialog(const QString &workingDir, QWidget *parent) :
+    QDialog(parent),
+    m_workingDir(workingDir),
+    m_ui(new Ui::GerritPushDialog),
+    m_remoteBranches(new QMap<QString,QString>()),
+    m_localChangesFound(true)
+{
+    setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
+    m_ui->setupUi(this);
+    m_ui->repositoryLabel->setText(tr("Local Repository: %1").arg(
+                                       QDir::toNativeSeparators(workingDir)));
+
+    Git::Internal::GitClient *gitClient = Git::Internal::GitPlugin::instance()->gitClient();
+    QString output;
+    QString error;
+    QStringList args;
+
+    args << QLatin1String("--no-color") << QLatin1String("--format=%P")
+         << QLatin1String("HEAD") << QLatin1String("--not")<< QLatin1String("--remotes");
+
+    if (!gitClient->synchronousLog(m_workingDir, args, &output) || output.isEmpty())
+        reject();
+
+    output.chop(1);
+    if (output.isEmpty()) {
+        output = QLatin1String("HEAD");
+        m_localChangesFound = false;
+    } else {
+        output = output.mid(output.lastIndexOf(QLatin1Char('\n')) + 1);
+    }
+
+    args.clear();
+    args << QLatin1String("--remotes") << QLatin1String("--contains") << output;
+
+    if (!gitClient->synchronousBranchCmd(m_workingDir, args, &output, &error))
+        reject();
+
+    QString head = QLatin1String("/HEAD");
+    QStringList refs = output.split(QLatin1Char('\n'));
+    foreach (const QString &reference, refs) {
+        if (reference.contains(head) || reference.isEmpty())
+            continue;
+
+        m_suggestedRemoteName = reference.left(reference.indexOf(QLatin1Char('/'))).trimmed();
+        m_suggestedRemoteBranch = reference.mid(reference.indexOf(QLatin1Char('/')) + 1).trimmed();
+        break;
+    }
+
+    output.clear();
+    error.clear();
+    args.clear();
+
+    args << QLatin1String("--remotes");
+
+    if (!gitClient->synchronousBranchCmd(m_workingDir, args, &output, &error))
+        reject();
+
+    refs.clear();
+    refs = output.split(QLatin1String("\n"));
+    foreach (const QString &reference, refs) {
+        if (reference.contains(head) || reference.isEmpty())
+            continue;
+
+        int refBranchIndex = reference.indexOf(QLatin1Char('/'));
+        m_remoteBranches->insertMulti(reference.left(refBranchIndex).trimmed(),
+                                     reference.mid(refBranchIndex + 1).trimmed());
+    }
+
+    int currIndex = 0;
+    QStringList remotes = m_remoteBranches->keys();
+    remotes.removeDuplicates();
+    foreach (const QString &remote, remotes) {
+        m_ui->remoteComboBox->addItem(remote);
+        if (remote == m_suggestedRemoteName)
+            m_ui->remoteComboBox->setCurrentIndex(currIndex);
+        ++currIndex;
+    }
+    if (m_ui->remoteComboBox->count() < 1)
+        reject();
+
+    m_ui->remoteComboBox->setEnabled(m_ui->remoteComboBox->count() != 1);
+
+    connect(m_ui->remoteComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(setRemoteBranches()));
+    connect(m_ui->branchComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(setChangeRange()));
+    setRemoteBranches();
+}
+
+GerritPushDialog::~GerritPushDialog()
+{
+    delete m_ui;
+    delete m_remoteBranches;
+}
+
+
+QString GerritPushDialog::calculateChangeRange()
+{
+    QString remote = selectedRemoteName();
+    remote += QLatin1Char('/');
+    remote += selectedRemoteBranchName();
+
+    QStringList args(remote + QLatin1String("..HEAD"));
+    args << QLatin1String("--count");
+
+    QString number;
+
+    if (!Git::Internal::GitPlugin::instance()->gitClient()->
+            synchronousRevListCmd(m_workingDir, args, &number))
+        reject();
+
+    number.chop(1);
+    return number;
+}
+
+void GerritPushDialog::setChangeRange()
+{
+    QString remote = selectedRemoteName();
+    remote += QLatin1Char('/');
+    remote += selectedRemoteBranchName();
+    m_ui->infoLabel->setText(tr("Number of commits between HEAD and %1: %2").arg(
+                                 remote, calculateChangeRange()));
+}
+
+bool GerritPushDialog::localChangesFound() const
+{
+    return m_localChangesFound;
+}
+
+void GerritPushDialog::setRemoteBranches()
+{
+    m_ui->branchComboBox->clear();
+
+    QMap<QString, QString>::const_iterator it;
+    int i = 0;
+    for (it = m_remoteBranches->constBegin(); it != m_remoteBranches->constEnd(); ++it) {
+        if (it.key() == selectedRemoteName()) {
+            m_ui->branchComboBox->addItem(it.value());
+            if (it.value() == m_suggestedRemoteBranch)
+                m_ui->branchComboBox->setCurrentIndex(i);
+            ++i;
+        }
+    }
+    setChangeRange();
+}
+
+QString GerritPushDialog::selectedRemoteName() const
+{
+    return m_ui->remoteComboBox->currentText();
+}
+
+QString GerritPushDialog::selectedRemoteBranchName() const
+{
+    return m_ui->branchComboBox->currentText();
+}
+
+QString GerritPushDialog::selectedPushType() const
+{
+    return m_ui->publicRadioButton->isChecked() ? QLatin1String("for") : QLatin1String("draft");
+}
+
+} // namespace Internal
+} // namespace Gerrit