File indexing completed on 2024-04-14 05:34:13

 /*
     SPDX-FileCopyrightText: 2011 Vishesh Yadav <vishesh3y@gmail.com>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "backoutdialog.h"
 #include "commitinfowidget.h"
 #include "fileviewhgpluginsettings.h"
 #include "hgwrapper.h"
 
 #include <QWidget>
 #include <QGroupBox>
 #include <QCheckBox>
 #include <QGridLayout>
 #include <QVBoxLayout>
 #include <QListWidgetItem>
 #include <QLabel>
 #include <QTextCodec>
 #include <QProcess>
 #include <QDebug>
 #include <QLineEdit>
 #include <KLocalizedString>
 #include <KMessageBox>
 
 HgBackoutDialog::HgBackoutDialog(QWidget *parent) :
     DialogBase(QDialogButtonBox::Ok | QDialogButtonBox::Cancel, parent)
 {
     // dialog properties
     this->setWindowTitle(xi18nc("@title:window",
                 "<application>Hg</application> Backout"));
 
     okButton()->setText(xi18nc("@action:button", "Backout"));
     okButton()->setDisabled(true);
 
     //
     setupUI();
 
     // Load saved settings
     FileViewHgPluginSettings *settings = FileViewHgPluginSettings::self();
     this->resize(QSize(settings->backoutDialogWidth(),
                                settings->backoutDialogHeight()));
 
     // connections
     connect(this, SIGNAL(finished(int)), this, SLOT(saveGeometry()));
     connect(m_selectBaseCommitButton, &QAbstractButton::clicked,
             this, &HgBackoutDialog::slotSelectBaseChangeset);
     connect(m_selectParentCommitButton, &QAbstractButton::clicked,
             this, &HgBackoutDialog::slotSelectParentChangeset);
     connect(m_baseRevision, &QLineEdit::textChanged,
             this, &HgBackoutDialog::slotUpdateOkButton);
 }
 
 void HgBackoutDialog::setupUI()
 {
     m_mainGroup = new QGroupBox;
     m_baseRevision = new QLineEdit;
     m_parentRevision = new QLineEdit;
     m_optMerge = new QCheckBox(xi18nc("@label:checkbox",
                         "Merge with old dirstate parent after backout"));
     m_selectParentCommitButton = new QPushButton(xi18nc("@label:button",
                                                 "Select Changeset"));
     m_selectBaseCommitButton = new QPushButton(xi18nc("@label:button",
                                             "Select Changeset"));
     QGridLayout *mainGroupLayout = new QGridLayout;
 
     mainGroupLayout->addWidget(new QLabel(xi18nc("@label",
                                     "Revision to Backout: ")), 0, 0);
     mainGroupLayout->addWidget(m_baseRevision, 0, 1);
     mainGroupLayout->addWidget(m_selectBaseCommitButton, 0, 2);
 
     mainGroupLayout->addWidget(new QLabel(xi18nc("@label",
                                     "Parent Revision (optional): ")), 1, 0);
     mainGroupLayout->addWidget(m_parentRevision, 1, 1);
     mainGroupLayout->addWidget(m_selectParentCommitButton, 1, 2);
 
     mainGroupLayout->addWidget(m_optMerge, 2, 0, 1, 0);
 
     m_mainGroup->setLayout(mainGroupLayout);
 
     QVBoxLayout *lay = new QVBoxLayout;
     lay->addWidget(m_mainGroup);
     layout()->insertLayout(0, lay);
 }
 
 void HgBackoutDialog::saveGeometry()
 {
     FileViewHgPluginSettings *settings = FileViewHgPluginSettings::self();
     settings->setBackoutDialogHeight(this->height());
     settings->setBackoutDialogWidth(this->width());
     settings->save();
 }
 
 void HgBackoutDialog::loadCommits()
 {
     HgWrapper *hgWrapper = HgWrapper::instance();
 
     // update heads list
     QProcess process;
     process.setWorkingDirectory(hgWrapper->getBaseDir());
 
     QStringList args;
     args << QLatin1String("log");
     args << QLatin1String("--template");
     args << QLatin1String("{rev}\n{node|short}\n{branch}\n"
                           "{author}\n{desc|firstline}\n");
 
     process.start(QLatin1String("hg"), args);
     process.waitForFinished();
     m_commitInfo->clear();
 
     const int FINAL = 5;
     char buffer[FINAL][1024];
     int count = 0;
     while (process.readLine(buffer[count], sizeof(buffer[count])) > 0) {
         if (count == FINAL - 1) {
             QString rev = QTextCodec::codecForLocale()->toUnicode(buffer[0]).trimmed();
             QString changeset = QTextCodec::codecForLocale()->toUnicode(buffer[1]).trimmed();
             QString branch = QTextCodec::codecForLocale()->toUnicode(buffer[2]).trimmed();
             QString author = QTextCodec::codecForLocale()->toUnicode(buffer[3]).trimmed();
             QString log = QTextCodec::codecForLocale()->toUnicode(buffer[4]).trimmed();
 
             QListWidgetItem *item = new QListWidgetItem;
             item->setData(Qt::DisplayRole, changeset);
             item->setData(Qt::UserRole + 1, rev);
             item->setData(Qt::UserRole + 2, branch);
             item->setData(Qt::UserRole + 3, author);
             item->setData(Qt::UserRole + 4, log);
             m_commitInfo->addItem(item);
         }
         count = (count + 1)%FINAL;
     }
 }
 
 QString HgBackoutDialog::selectChangeset()
 {
     DialogBase diag(QDialogButtonBox::Ok | QDialogButtonBox::Cancel, this);
     diag.setWindowTitle(xi18nc("@title:window",
                 "Select Changeset"));
     diag.okButton()->setText(xi18nc("@action:button", "Select"));
 
     diag.setMinimumWidth(700);
     
     m_commitInfo = new HgCommitInfoWidget;
     loadCommits();
     diag.layout()->insertWidget(0, m_commitInfo);
     
     if (diag.exec() == QDialog::Accepted) {
         return m_commitInfo->selectedChangeset();
     }
     return QString();
 }
 
 void HgBackoutDialog::slotSelectBaseChangeset()
 {
     QString changeset = selectChangeset();
     if (!changeset.isEmpty()) {
         m_baseRevision->setText(changeset);
     }
 }
 
 void HgBackoutDialog::slotSelectParentChangeset()
 {
     QString changeset = selectChangeset();
     if (!changeset.isEmpty()) {
         m_parentRevision->setText(changeset);
     }
 }
 
 void HgBackoutDialog::done(int r)
 {
     if (r == QDialog::Accepted) {
         HgWrapper *hgw = HgWrapper::instance();
         QStringList args;
         args << QLatin1String("--rev");
         args << m_baseRevision->text();
 
         if (!m_parentRevision->text().isEmpty()) {
             args << QLatin1String("--parent");
             args << m_parentRevision->text();
         }
 
         if (m_optMerge->checkState() == Qt::Checked) {
             args << QLatin1String("--merge");
         }
 
         if (hgw->executeCommandTillFinished(QLatin1String("backout"), args)) {
             KMessageBox::information(this, hgw->readAllStandardOutput());
             QDialog::done(r);
         }
         else {
             KMessageBox::error(this, hgw->readAllStandardError());
         }
     }
     else {
         QDialog::done(r);
     }
 }
 
 void HgBackoutDialog::slotUpdateOkButton(const QString &text)
 {
     qDebug() << "text" << text;
     okButton()->setEnabled(!text.isEmpty());
 }
 
 
 
 #include "moc_backoutdialog.cpp"