src/revisioncontrolplugin.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2009 by Peter Penz <peter.penz@gmx.at>                  *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  18  ***************************************************************************/
  19
  20 #include "revisioncontrolplugin.h"
  21
  22 RevisionControlPlugin::RevisionControlPlugin()
  23 {
  24 }
  25
  26 RevisionControlPlugin::~RevisionControlPlugin()
  27 {
  28 }
  29
  30 #include "revisioncontrolplugin.moc"
  31
  32 // ----------------------------------------------------------------------------
  33
  34 #include <kaction.h>
  35 #include <kdialog.h>
  36 #include <kfileitem.h>
  37 #include <kicon.h>
  38 #include <klocale.h>
  39 #include <krun.h>
  40 #include <kshell.h>
  41 #include <kvbox.h>
  42 #include <QDir>
  43 #include <QFile>
  44 #include <QLabel>
  45 #include <QProcess>
  46 #include <QString>
  47 #include <QStringList>
  48 #include <QTextEdit>
  49 #include <QTextStream>
  50
  51 SubversionPlugin::SubversionPlugin() :
  52     m_revisionInfoHash(),
  53     m_revisionInfoKeys(),
  54     m_updateAction(0),
  55     m_showLocalChangesAction(0),
  56     m_commitAction(0),
  57     m_addAction(0),
  58     m_removeAction(0),
  59     m_command(),
  60     m_errorMsg(),
  61     m_operationCompletedMsg(),
  62     m_contextDir(),
  63     m_contextItems()
  64 {
  65     m_updateAction = new KAction(this);
  66     m_updateAction->setIcon(KIcon("view-refresh"));
  67     m_updateAction->setText(i18nc("@item:inmenu", "SVN Update"));
  68     connect(m_updateAction, SIGNAL(triggered()),
  69             this, SLOT(updateFiles()));
  70
  71     m_showLocalChangesAction = new KAction(this);
  72     m_showLocalChangesAction->setIcon(KIcon("view-split-left-right"));
  73     m_showLocalChangesAction->setText(i18nc("@item:inmenu", "Show Local SVN Changes"));
  74     connect(m_showLocalChangesAction, SIGNAL(triggered()),
  75             this, SLOT(showLocalChanges()));
  76
  77     m_commitAction = new KAction(this);
  78     m_commitAction->setText(i18nc("@item:inmenu", "SVN Commit..."));
  79     connect(m_commitAction, SIGNAL(triggered()),
  80             this, SLOT(commitFiles()));
  81
  82     m_addAction = new KAction(this);
  83     m_addAction->setIcon(KIcon("list-add"));
  84     m_addAction->setText(i18nc("@item:inmenu", "SVN Add"));
  85     connect(m_addAction, SIGNAL(triggered()),
  86             this, SLOT(addFiles()));
  87
  88     m_removeAction = new KAction(this);
  89     m_removeAction->setIcon(KIcon("list-remove"));
  90     m_removeAction->setText(i18nc("@item:inmenu", "SVN Delete"));
  91     connect(m_removeAction, SIGNAL(triggered()),
  92             this, SLOT(removeFiles()));
  93 }
  94
  95 SubversionPlugin::~SubversionPlugin()
  96 {
  97 }
  98
  99 QString SubversionPlugin::fileName() const
 100 {
 101     return ".svn";
 102 }
 103
 104 bool SubversionPlugin::beginRetrieval(const QString& directory)
 105 {
 106     Q_ASSERT(directory.endsWith('/'));
 107
 108     QStringList arguments;
 109     arguments << "status" << "--show-updates" << directory;
 110
 111     QProcess process;
 112     process.start("svn", arguments);
 113     while (process.waitForReadyRead()) {
 114         char buffer[1024];
 115         while (process.readLine(buffer, sizeof(buffer)) > 0)  {
 116             RevisionState state = NormalRevision;
 117             QString filePath(buffer);
 118
 119             switch (buffer[0]) {
 120             case '?': state = UnversionedRevision; break;
 121             case 'M': state = LocallyModifiedRevision; break;
 122             case 'A': state = AddedRevision; break;
 123             case 'D': state = RemovedRevision; break;
 124             case 'C': state = ConflictingRevision; break;
 125             default:
 126                 if (filePath.contains('*')) {
 127                     state = UpdateRequiredRevision;
 128                 }
 129                 break;
 130             }
 131
 132             int pos = filePath.indexOf('/');
 133             const int length = filePath.length() - pos - 1;
 134             filePath = filePath.mid(pos, length);
 135             if (!filePath.isEmpty()) {
 136                 m_revisionInfoHash.insert(filePath, state);
 137             }
 138         }
 139     }
 140
 141     m_revisionInfoKeys = m_revisionInfoHash.keys();
 142     return true;
 143 }
 144
 145 void SubversionPlugin::endRetrieval()
 146 {
 147 }
 148
 149 RevisionControlPlugin::RevisionState SubversionPlugin::revisionState(const KFileItem& item)
 150 {
 151     const QString itemUrl = item.localPath();
 152     if (m_revisionInfoHash.contains(itemUrl)) {
 153         return m_revisionInfoHash.value(itemUrl);
 154     }
 155
 156     if (!item.isDir()) {
 157         // files that have not been listed by 'svn status' (= m_revisionInfoHash)
 158         // are under revision control per definition
 159         return NormalRevision;
 160     }
 161
 162     // The item is a directory. Check whether an item listed by 'svn status' (= m_revisionInfoHash)
 163     // is part of this directory. In this case a local modification should be indicated in the
 164     // directory already.
 165     foreach (const QString& key, m_revisionInfoKeys) {
 166         if (key.startsWith(itemUrl)) {
 167             const RevisionState state = m_revisionInfoHash.value(key);
 168             if (state == LocallyModifiedRevision) {
 169                 return LocallyModifiedRevision;
 170             }
 171         }
 172     }
 173
 174     return NormalRevision;
 175 }
 176
 177 QList<QAction*> SubversionPlugin::contextMenuActions(const KFileItemList& items)
 178 {
 179     Q_ASSERT(!items.isEmpty());
 180     foreach (const KFileItem& item, items) {
 181         m_contextItems.append(item);
 182     }
 183     m_contextDir.clear();
 184
 185     // iterate all items and check the revision state to know which
 186     // actions can be enabled
 187     const int itemsCount = items.count();
 188     int revisionedCount = 0;
 189     int editingCount = 0;
 190     foreach (const KFileItem& item, items) {
 191         const RevisionState state = revisionState(item);
 192         if (state != UnversionedRevision) {
 193             ++revisionedCount;
 194         }
 195
 196         switch (state) {
 197         case LocallyModifiedRevision:
 198         case ConflictingRevision:
 199             ++editingCount;
 200             break;
 201         default:
 202             break;
 203         }
 204     }
 205     m_commitAction->setEnabled(editingCount > 0);
 206     m_addAction->setEnabled(revisionedCount == 0);
 207     m_removeAction->setEnabled(revisionedCount == itemsCount);
 208
 209     QList<QAction*> actions;
 210     actions.append(m_updateAction);
 211     actions.append(m_commitAction);
 212     actions.append(m_addAction);
 213     actions.append(m_removeAction);
 214     return actions;
 215 }
 216
 217 QList<QAction*> SubversionPlugin::contextMenuActions(const QString& directory)
 218 {
 219     const bool enabled = m_contextItems.isEmpty();
 220     if (enabled) {
 221         m_contextDir = directory;
 222     }
 223
 224     // Only enable the SVN actions if no SVN commands are
 225     // executed currently (see slotOperationCompleted() and
 226     // startSvnCommandProcess()).
 227     m_updateAction->setEnabled(enabled);
 228     m_showLocalChangesAction->setEnabled(enabled);
 229     m_commitAction->setEnabled(enabled);
 230
 231     QList<QAction*> actions;
 232     actions.append(m_updateAction);
 233     actions.append(m_showLocalChangesAction);
 234     actions.append(m_commitAction);
 235     return actions;
 236 }
 237
 238 void SubversionPlugin::updateFiles()
 239 {
 240     execSvnCommand("update",
 241                    i18nc("@info:status", "Updating SVN repository..."),
 242                    i18nc("@info:status", "Update of SVN repository failed."),
 243                    i18nc("@info:status", "Updated SVN repository."));
 244 }
 245
 246 void SubversionPlugin::showLocalChanges()
 247 {
 248     Q_ASSERT(!m_contextDir.isEmpty());
 249     Q_ASSERT(m_contextItems.isEmpty());
 250
 251     const QString command = "mkfifo /tmp/fifo; svn diff " +
 252                             KShell::quoteArg(m_contextDir) +
 253                             " > /tmp/fifo & kompare /tmp/fifo; rm /tmp/fifo";
 254     KRun::runCommand(command, 0);
 255 }
 256
 257 void SubversionPlugin::commitFiles()
 258 {
 259     KDialog dialog(0, Qt::Dialog);
 260
 261     KVBox* box = new KVBox(&dialog);
 262     new QLabel(i18nc("@label", "Description:"), box);
 263     QTextEdit* editor = new QTextEdit(box);
 264
 265     dialog.setMainWidget(box);
 266     dialog.setCaption(i18nc("@title:window", "SVN Commit"));
 267     dialog.setButtons(KDialog::Ok | KDialog::Cancel);
 268     dialog.setDefaultButton(KDialog::Ok);
 269     dialog.setButtonText(KDialog::Ok, i18nc("@action:button", "Commit"));
 270
 271     KConfigGroup dialogConfig(KSharedConfig::openConfig("dolphinrc"),
 272                               "SvnCommitDialog");
 273     dialog.restoreDialogSize(dialogConfig);
 274
 275     if (dialog.exec() == QDialog::Accepted) {
 276         // write the commit description into a temporary file, so
 277         // that it can be read by the command "svn commit -F"
 278         QFile file(QDir::tempPath() + "/svn_commit_descr.txt");
 279         if (!file.open(QIODevice::WriteOnly | QIODevice::Text))  {
 280             emit errorMessage(i18nc("@info:status", "Commit of SVN changes failed."));
 281             return;
 282         }
 283
 284         QTextStream out(&file);
 285         out << editor->toPlainText();
 286         file.close();
 287
 288         execSvnCommand("commit -F " + KShell::quoteArg(file.fileName()),
 289                        i18nc("@info:status", "Committing SVN changes..."),
 290                        i18nc("@info:status", "Commit of SVN changes failed."),
 291                        i18nc("@info:status", "Committed SVN changes."));
 292     }
 293
 294     dialog.saveDialogSize(dialogConfig, KConfigBase::Persistent);
 295 }
 296
 297 void SubversionPlugin::addFiles()
 298 {
 299     execSvnCommand("add",
 300                    i18nc("@info:status", "Adding files to SVN repository..."),
 301                    i18nc("@info:status", "Adding of files to SVN repository failed."),
 302                    i18nc("@info:status", "Added files to SVN repository."));
 303 }
 304
 305 void SubversionPlugin::removeFiles()
 306 {
 307     execSvnCommand("remove",
 308                    i18nc("@info:status", "Removing files from SVN repository..."),
 309                    i18nc("@info:status", "Removing of files from SVN repository failed."),
 310                    i18nc("@info:status", "Removed files from SVN repository."));
 311 }
 312
 313 void SubversionPlugin::slotOperationCompleted()
 314 {
 315     if (m_contextItems.isEmpty()) {
 316         emit operationCompletedMessage(m_operationCompletedMsg);
 317         emit revisionStatesChanged();
 318     } else {
 319         startSvnCommandProcess();
 320     }
 321 }
 322
 323 void SubversionPlugin::slotOperationError()
 324 {
 325     emit errorMessage(m_errorMsg);
 326
 327     // don't do any operation on other items anymore
 328     m_contextItems.clear();
 329 }
 330
 331 void SubversionPlugin::execSvnCommand(const QString& svnCommand,
 332                                       const QString& infoMsg,
 333                                       const QString& errorMsg,
 334                                       const QString& operationCompletedMsg)
 335 {
 336     emit infoMessage(infoMsg);
 337
 338     m_command = svnCommand;
 339     m_errorMsg = errorMsg;
 340     m_operationCompletedMsg = operationCompletedMsg;
 341
 342     startSvnCommandProcess();
 343 }
 344
 345 void SubversionPlugin::startSvnCommandProcess()
 346 {
 347     QProcess* process = new QProcess(this);
 348     connect(process, SIGNAL(finished(int)),
 349             this, SLOT(slotOperationCompleted()));
 350     connect(process, SIGNAL(error(QProcess::ProcessError)),
 351             this, SLOT(slotOperationError()));
 352
 353     const QString program = "svn " + m_command + ' ';
 354     if (!m_contextDir.isEmpty()) {
 355         process->start(program + KShell::quoteArg(m_contextDir));
 356         m_contextDir.clear();
 357     } else {
 358         const KFileItem item = m_contextItems.takeLast();
 359         process->start(program + KShell::quoteArg(item.localPath()));
 360         // the remaining items of m_contextItems will be executed
 361         // after the process has finished (see slotOperationFinished())
 362     }
 363 }