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 #include <kaction.h>
  23 #include <kicon.h>
  24 #include <klocale.h>
  25 #include <kfileitem.h>
  26 #include <QDir>
  27 #include <QString>
  28 #include <QTextStream>
  29
  30 RevisionControlPlugin::RevisionControlPlugin()
  31 {
  32 }
  33
  34 RevisionControlPlugin::~RevisionControlPlugin()
  35 {
  36 }
  37
  38 #include "revisioncontrolplugin.moc"
  39
  40 // ----------------------------------------------------------------------------
  41
  42 SubversionPlugin::SubversionPlugin() :
  43     m_directory(),
  44     m_revisionInfoHash(),
  45     m_updateAction(0),
  46     m_commitAction(0),
  47     m_addAction(0),
  48     m_removeAction(0)
  49 {
  50     m_updateAction = new KAction(this);
  51     m_updateAction->setIcon(KIcon("view-refresh"));
  52     m_updateAction->setText(i18nc("@item:inmenu", "SVN Update"));
  53
  54     m_commitAction = new KAction(this);
  55     m_commitAction->setText(i18nc("@item:inmenu", "SVN Commit..."));
  56
  57     m_addAction = new KAction(this);
  58     m_addAction->setIcon(KIcon("list-add"));
  59     m_addAction->setText(i18nc("@item:inmenu", "SVN Add"));
  60
  61     m_removeAction = new KAction(this);
  62     m_removeAction->setIcon(KIcon("list-remove"));
  63     m_removeAction->setText(i18nc("@item:inmenu", "SVN Delete"));
  64 }
  65
  66 SubversionPlugin::~SubversionPlugin()
  67 {
  68 }
  69
  70 QString SubversionPlugin::fileName() const
  71 {
  72     return ".svn";
  73 }
  74
  75 bool SubversionPlugin::beginRetrieval(const QString& directory)
  76 {
  77     Q_ASSERT(directory.endsWith('/'));
  78     m_directory = directory;
  79     const QString path = directory + ".svn/text-base/";
  80
  81     QDir dir(path);
  82     const QFileInfoList fileInfoList = dir.entryInfoList();
  83     const int size = fileInfoList.size();
  84     QString fileName;
  85     for (int i = 0; i < size; ++i) {
  86         fileName = fileInfoList.at(i).fileName();
  87         // Remove the ".svn-base" postfix to be able to compare the filenames
  88         // in a fast way in SubversionPlugin::revisionState().
  89         fileName.chop(sizeof(".svn-base") / sizeof(char) - 1);
  90         if (!fileName.isEmpty()) {
  91             RevisionInfo info;
  92             info.size = fileInfoList.at(i).size();
  93             info.timeStamp = fileInfoList.at(i).lastModified();
  94             m_revisionInfoHash.insert(fileName, info);
  95         }
  96     }
  97     return size > 0;
  98 }
  99
 100 void SubversionPlugin::endRetrieval()
 101 {
 102 }
 103
 104 RevisionControlPlugin::RevisionState SubversionPlugin::revisionState(const KFileItem& item)
 105 {
 106     const QString name = item.name();
 107     if (item.isDir()) {
 108         QFile file(m_directory + name + "/.svn");
 109         if (file.open(QIODevice::ReadOnly)) {
 110             file.close();
 111             // TODO...
 112             return RevisionControlPlugin::LatestRevision;
 113         }
 114     } else if (m_revisionInfoHash.contains(name)) {
 115         const RevisionInfo info = m_revisionInfoHash.value(item.name());
 116         const QDateTime localTimeStamp = item.time(KFileItem::ModificationTime).dateTime();
 117         const QDateTime versionedTimeStamp = info.timeStamp;
 118
 119         if (localTimeStamp > versionedTimeStamp) {
 120             if ((info.size != item.size()) || !equalRevisionContent(item.name())) {
 121                 return RevisionControlPlugin::EditingRevision;
 122             }
 123         } else if (localTimeStamp < versionedTimeStamp) {
 124             if ((info.size != item.size()) || !equalRevisionContent(item.name())) {
 125                 return RevisionControlPlugin::UpdateRequiredRevision;
 126             }
 127         }
 128         return  RevisionControlPlugin::LatestRevision;
 129     }
 130
 131     return RevisionControlPlugin::LocalRevision;
 132 }
 133
 134 QList<QAction*> SubversionPlugin::contextMenuActions(const KFileItemList& items) const
 135 {
 136     Q_UNUSED(items);
 137
 138     QList<QAction*> actions;
 139     actions.append(m_updateAction);
 140     actions.append(m_commitAction);
 141     actions.append(m_addAction);
 142     actions.append(m_removeAction);
 143     return actions;
 144 }
 145
 146 QList<QAction*> SubversionPlugin::contextMenuActions(const QString& directory) const
 147 {
 148     Q_UNUSED(directory);
 149
 150     QList<QAction*> actions;
 151     actions.append(m_updateAction);
 152     actions.append(m_commitAction);
 153     return actions;
 154 }
 155
 156 bool SubversionPlugin::equalRevisionContent(const QString& name) const
 157 {
 158     QFile localFile(m_directory + '/' + name);
 159     if (!localFile.open(QIODevice::ReadOnly | QIODevice::Text)) {
 160         return false;
 161     }
 162
 163     QFile revisionedFile(m_directory + "/.svn/text-base/" + name + ".svn-base");
 164     if (!revisionedFile.open(QIODevice::ReadOnly | QIODevice::Text)) {
 165         return false;
 166     }
 167
 168      QTextStream localText(&localFile);
 169      QTextStream revisionedText(&revisionedFile);
 170      while (!localText.atEnd() && !revisionedText.atEnd()) {
 171          if (localText.readLine() != revisionedText.readLine()) {
 172              return false;
 173          }
 174      }
 175
 176      return localText.atEnd() && revisionedText.atEnd();
 177 }
 178