src/dolphinmodel.cpp

   1 /**
   2   * This file is part of the KDE project
   3   * Copyright (C) 2007 Rafael Fernández López <ereslibre@kde.org>
   4   *
   5   * This library is free software; you can redistribute it and/or
   6   * modify it under the terms of the GNU Library General Public
   7   * License as published by the Free Software Foundation; either
   8   * version 2 of the License, or (at your option) any later version.
   9   *
  10   * This library is distributed in the hope that it will be useful,
  11   * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13   * Library General Public License for more details.
  14   *
  15   * You should have received a copy of the GNU Library General Public License
  16   * along with this library; see the file COPYING.LIB.  If not, write to
  17   * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  18   * Boston, MA 02110-1301, USA.
  19   */
  20
  21 #include "dolphinmodel.h"
  22
  23 #include "dolphinsortfilterproxymodel.h"
  24
  25 #include "kcategorizedview.h"
  26
  27 #include <config-nepomuk.h>
  28 #ifdef HAVE_NEPOMUK
  29 #include <nepomuk/global.h>
  30 #include <nepomuk/resource.h>
  31 #include <nepomuk/tag.h>
  32 #include <Soprano/Vocabulary/Xesam>
  33 #endif
  34
  35 #include <kdatetime.h>
  36 #include <kdirmodel.h>
  37 #include <kfileitem.h>
  38 #include <kiconloader.h>
  39 #include <klocale.h>
  40 #include <kurl.h>
  41 #include <kuser.h>
  42 #include <kmimetype.h>
  43 #include <kstandarddirs.h>
  44
  45 #include <QList>
  46 #include <QSortFilterProxyModel>
  47 #include <QPainter>
  48 #include <QPersistentModelIndex>
  49 #include <QDir>
  50 #include <QFileInfo>
  51
  52 const char* DolphinModel::m_others = I18N_NOOP2("@title:group Name", "Others");
  53
  54 DolphinModel::DolphinModel(QObject* parent) :
  55     KDirModel(parent),
  56     m_hasVersionData(false),
  57     m_revisionHash()
  58 {
  59 }
  60
  61 DolphinModel::~DolphinModel()
  62 {
  63 }
  64
  65 bool DolphinModel::setData(const QModelIndex& index, const QVariant& value, int role)
  66 {
  67     if ((index.column() == DolphinModel::Version) && (role == Qt::DecorationRole)) {
  68         // TODO: remove data again when items are deleted...
  69
  70         const QPersistentModelIndex key = index;
  71         const KVersionControlPlugin::VersionState state = static_cast<KVersionControlPlugin::VersionState>(value.toInt());
  72         if (m_revisionHash.value(key, KVersionControlPlugin::UnversionedVersion) != state) {
  73             if (!m_hasVersionData) {
  74                 connect(this, SIGNAL(rowsRemoved (const QModelIndex&, int, int)),
  75                         this, SLOT(slotRowsRemoved(const QModelIndex&, int, int)));
  76                 m_hasVersionData = true;
  77             }
  78
  79             m_revisionHash.insert(key, state);
  80             emit dataChanged(index, index);
  81             return true;
  82         }
  83     }
  84
  85     return KDirModel::setData(index, value, role);
  86 }
  87
  88 QVariant DolphinModel::data(const QModelIndex& index, int role) const
  89 {
  90     switch (role) {
  91     case KCategorizedSortFilterProxyModel::CategoryDisplayRole:
  92         return displayRoleData(index);
  93
  94     case KCategorizedSortFilterProxyModel::CategorySortRole:
  95         return sortRoleData(index);
  96
  97     case Qt::DecorationRole:
  98         if (index.column() == DolphinModel::Version) {
  99             return m_revisionHash.value(index, KVersionControlPlugin::UnversionedVersion);
 100         }
 101         break;
 102
 103     case Qt::DisplayRole:
 104         if (index.column() == DolphinModel::Version) {
 105             switch (m_revisionHash.value(index, KVersionControlPlugin::UnversionedVersion)) {
 106             case KVersionControlPlugin::NormalVersion:
 107                 return i18nc("@item::intable", "Normal");
 108             case KVersionControlPlugin::UpdateRequiredVersion:
 109                 return i18nc("@item::intable", "Update required");
 110             case KVersionControlPlugin::LocallyModifiedVersion:
 111                 return i18nc("@item::intable", "Locally modified");
 112             case KVersionControlPlugin::AddedVersion:
 113                 return i18nc("@item::intable", "Added");
 114             case KVersionControlPlugin::RemovedVersion:
 115                 return i18nc("@item::intable", "Removed");
 116             case KVersionControlPlugin::ConflictingVersion:
 117                 return i18nc("@item::intable", "Conflicting");
 118             case KVersionControlPlugin::UnversionedVersion:
 119             default:
 120                 return i18nc("@item::intable", "Unversioned");
 121             }
 122         }
 123         break;
 124
 125     default:
 126         break;
 127     }
 128
 129     return KDirModel::data(index, role);
 130 }
 131
 132 QVariant DolphinModel::headerData(int section, Qt::Orientation orientation, int role) const
 133 {
 134     if ((orientation == Qt::Horizontal) && (role == Qt::DisplayRole)) {
 135         if (section < KDirModel::ColumnCount) {
 136             return KDirModel::headerData(section, orientation, role);
 137         }
 138
 139         Q_ASSERT(section == DolphinModel::Version);
 140         return i18nc("@title::column", "Version");
 141     }
 142     return QVariant();
 143 }
 144
 145 int DolphinModel::columnCount(const QModelIndex& parent) const
 146 {
 147     return KDirModel::columnCount(parent) + (ExtraColumnCount - ColumnCount);
 148 }
 149
 150 void DolphinModel::clearVersionData()
 151 {
 152     m_revisionHash.clear();
 153     m_hasVersionData = false;
 154 }
 155
 156 bool DolphinModel::hasVersionData() const
 157 {
 158     return m_hasVersionData;
 159 }
 160
 161 void DolphinModel::slotRowsRemoved(const QModelIndex& parent, int start, int end)
 162 {
 163     if (m_hasVersionData) {
 164         const int column = parent.column();
 165         for (int row = start; row <= end; ++row) {
 166             m_revisionHash.remove(parent.child(row, column));
 167         }
 168     }
 169 }
 170
 171 QVariant DolphinModel::displayRoleData(const QModelIndex& index) const
 172 {
 173     QString retString;
 174
 175     if (!index.isValid()) {
 176         return retString;
 177     }
 178
 179     const KDirModel *dirModel = qobject_cast<const KDirModel*>(index.model());
 180     KFileItem item = dirModel->itemForIndex(index);
 181
 182     switch (index.column()) {
 183     case KDirModel::Name: {
 184         // KDirModel checks columns to know to which role are
 185         // we talking about
 186         const QModelIndex nameIndex = index.model()->index(index.row(), KDirModel::Name, index.parent());
 187         if (!nameIndex.isValid()) {
 188             return retString;
 189         }
 190         const QVariant data = nameIndex.model()->data(nameIndex, Qt::DisplayRole);
 191         const QString name = data.toString();
 192         if (!name.isEmpty()) {
 193             if (!item.isHidden() && name.at(0).isLetter())
 194                 retString = name.at(0).toUpper();
 195             else if (item.isHidden()) {
 196                 if (name.at(0) == '.') {
 197                     if (name.size() > 1 && name.at(1).isLetter()) {
 198                         retString = name.at(1).toUpper();
 199                     } else {
 200                         retString = i18nc("@title:group Name", m_others);
 201                     }
 202                 } else {
 203                     retString = name.at(0).toUpper();
 204                 }
 205             } else {
 206                 bool validCategory = false;
 207
 208                 const QString str(name.toUpper());
 209                 const QChar* currA = str.unicode();
 210                 while (!currA->isNull() && !validCategory) {
 211                     if (currA->isLetter()) {
 212                         validCategory = true;
 213                     } else if (currA->isDigit()) {
 214                         return i18nc("@title:group Name", m_others);
 215                     } else {
 216                         ++currA;
 217                     }
 218                 }
 219
 220                 retString = validCategory ? *currA : i18nc("@title:group Name", m_others);
 221             }
 222         }
 223         break;
 224     }
 225
 226     case KDirModel::Size: {
 227         const KIO::filesize_t fileSize = !item.isNull() ? item.size() : ~0U;
 228         if (!item.isNull() && item.isDir()) {
 229             retString = i18nc("@title:group Size", "Folders");
 230         } else if (fileSize < 5242880) {
 231             retString = i18nc("@title:group Size", "Small");
 232         } else if (fileSize < 10485760) {
 233             retString = i18nc("@title:group Size", "Medium");
 234         } else {
 235             retString = i18nc("@title:group Size", "Big");
 236         }
 237         break;
 238     }
 239
 240     case KDirModel::ModifiedTime: {
 241         KDateTime modifiedTime = item.time(KFileItem::ModificationTime);
 242         modifiedTime = modifiedTime.toLocalZone();
 243
 244         const QDate currentDate = KDateTime::currentLocalDateTime().date();
 245         const QDate modifiedDate = modifiedTime.date();
 246
 247         const int daysDistance = modifiedDate.daysTo(currentDate);
 248
 249         int yearForCurrentWeek = 0;
 250         int currentWeek = currentDate.weekNumber(&yearForCurrentWeek);
 251         if (yearForCurrentWeek == currentDate.year() + 1) {
 252             currentWeek = 53;
 253         }
 254
 255         int yearForModifiedWeek = 0;
 256         int modifiedWeek = modifiedDate.weekNumber(&yearForModifiedWeek);
 257         if (yearForModifiedWeek == modifiedDate.year() + 1) {
 258             modifiedWeek = 53;
 259         }
 260
 261         if (currentDate.year() == modifiedDate.year() && currentDate.month() == modifiedDate.month()) {
 262             switch (currentWeek - modifiedWeek) {
 263             case 0:
 264                 switch (daysDistance) {
 265                 case 0:  retString = i18nc("@title:group Date", "Today"); break;
 266                 case 1:  retString = i18nc("@title:group Date", "Yesterday"); break;
 267                 default: retString = modifiedTime.toString(i18nc("@title:group The week day name: %A", "%A"));
 268                 }
 269                 break;
 270             case 1:
 271                 retString = i18nc("@title:group Date", "Last Week");
 272                 break;
 273             case 2:
 274                 retString = i18nc("@title:group Date", "Two Weeks Ago");
 275                 break;
 276             case 3:
 277                 retString = i18nc("@title:group Date", "Three Weeks Ago");
 278                 break;
 279             case 4:
 280             case 5:
 281                 retString = i18nc("@title:group Date", "Earlier this Month");
 282                 break;
 283             default:
 284                 Q_ASSERT(false);
 285             }
 286         } else {
 287             const QDate lastMonthDate = currentDate.addMonths(-1);
 288             if  (lastMonthDate.year() == modifiedDate.year() && lastMonthDate.month() == modifiedDate.month()) {
 289                 if (daysDistance == 1) {
 290                     retString = modifiedTime.toString(i18nc("@title:group Date: %B is full month name in current locale, and %Y is full year number", "Yesterday (%B, %Y)"));
 291                 } else if (daysDistance <= 7) {
 292                     retString = modifiedTime.toString(i18nc("@title:group The week day name: %A, %B is full month name in current locale, and %Y is full year number", "%A (%B, %Y)"));
 293                 } else if (daysDistance <= 7 * 2) {
 294                     retString = modifiedTime.toString(i18nc("@title:group Date: %B is full month name in current locale, and %Y is full year number", "Last Week (%B, %Y)"));
 295                 } else if (daysDistance <= 7 * 3) {
 296                     retString = modifiedTime.toString(i18nc("@title:group Date: %B is full month name in current locale, and %Y is full year number", "Two Weeks Ago (%B, %Y)"));
 297                 } else if (daysDistance <= 7 * 4) {
 298                     retString = modifiedTime.toString(i18nc("@title:group Date: %B is full month name in current locale, and %Y is full year number", "Three Weeks Ago (%B, %Y)"));
 299                 } else {
 300                     retString = modifiedTime.toString(i18nc("@title:group Date: %B is full month name in current locale, and %Y is full year number", "Earlier on %B, %Y"));
 301                 }
 302             } else {
 303                 retString = modifiedTime.toString(i18nc("@title:group The month and year: %B is full month name in current locale, and %Y is full year number", "%B, %Y"));
 304             }
 305         }
 306         break;
 307     }
 308
 309     case KDirModel::Permissions: {
 310         QString user;
 311         QString group;
 312         QString others;
 313
 314         QFileInfo info(item.url().pathOrUrl());
 315
 316         // set user string
 317         if (info.permission(QFile::ReadUser)) {
 318             user = i18nc("@item:intext Access permission, concatenated", "Read, ");
 319         }
 320         if (info.permission(QFile::WriteUser)) {
 321             user += i18nc("@item:intext Access permission, concatenated", "Write, ");
 322         }
 323         if (info.permission(QFile::ExeUser)) {
 324             user += i18nc("@item:intext Access permission, concatenated", "Execute, ");
 325         }
 326         user = user.isEmpty() ? i18nc("@item:intext Access permission, concatenated", "Forbidden") : user.mid(0, user.count() - 2);
 327
 328         // set group string
 329         if (info.permission(QFile::ReadGroup)) {
 330             group = i18nc("@item:intext Access permission, concatenated", "Read, ");
 331         }
 332         if (info.permission(QFile::WriteGroup)) {
 333             group += i18nc("@item:intext Access permission, concatenated", "Write, ");
 334         }
 335         if (info.permission(QFile::ExeGroup)) {
 336             group += i18nc("@item:intext Access permission, concatenated", "Execute, ");
 337         }
 338         group = group.isEmpty() ? i18nc("@item:intext Access permission, concatenated", "Forbidden") : group.mid(0, group.count() - 2);
 339
 340         // set permission string
 341         if (info.permission(QFile::ReadOther)) {
 342             others = i18nc("@item:intext Access permission, concatenated", "Read, ");
 343         }
 344         if (info.permission(QFile::WriteOther)) {
 345             others += i18nc("@item:intext Access permission, concatenated", "Write, ");
 346         }
 347         if (info.permission(QFile::ExeOther)) {
 348             others += i18nc("@item:intext Access permission, concatenated", "Execute, ");
 349         }
 350         others = others.isEmpty() ? i18nc("@item:intext Access permission, concatenated", "Forbidden") : others.mid(0, others.count() - 2);
 351
 352         retString = i18nc("@title:group Files and folders by permissions", "(User: %1) (Group: %2) (Others: %3)", user, group, others);
 353         break;
 354     }
 355
 356     case KDirModel::Owner:
 357         retString = item.user();
 358         break;
 359
 360     case KDirModel::Group:
 361         retString = item.group();
 362         break;
 363
 364     case KDirModel::Type:
 365         retString = item.mimeComment();
 366         break;
 367
 368     case DolphinModel::Version:
 369         retString = "test";
 370         break;
 371     }
 372
 373     return retString;
 374 }
 375
 376 QVariant DolphinModel::sortRoleData(const QModelIndex& index) const
 377 {
 378     QVariant retVariant;
 379
 380     if (!index.isValid()) {
 381         return retVariant;
 382     }
 383
 384     const KDirModel *dirModel = qobject_cast<const KDirModel*>(index.model());
 385     KFileItem item = dirModel->itemForIndex(index);
 386
 387     switch (index.column()) {
 388     case KDirModel::Name: {
 389         retVariant = data(index, KCategorizedSortFilterProxyModel::CategoryDisplayRole);
 390         if (retVariant == i18nc("@title:group Name", m_others)) {
 391             // assure that the "Others" group is always the last categorization
 392             retVariant = QString('Z').append(QChar::ReplacementCharacter);
 393         }
 394         break;
 395     }
 396
 397     case KDirModel::Size: {
 398         const KIO::filesize_t fileSize = !item.isNull() ? item.size() : ~0U;
 399         if (item.isDir()) {
 400             retVariant = 0;
 401         } else if (fileSize < 5242880) {
 402             retVariant = 1;
 403         } else if (fileSize < 10485760) {
 404             retVariant = 2;
 405         } else {
 406             retVariant = 3;
 407         }
 408         break;
 409     }
 410
 411     case KDirModel::ModifiedTime: {
 412         KDateTime modifiedTime = item.time(KFileItem::ModificationTime);
 413         modifiedTime = modifiedTime.toLocalZone();
 414
 415         const QDate currentDate = KDateTime::currentLocalDateTime().date();
 416         const QDate modifiedDate = modifiedTime.date();
 417
 418         retVariant = -modifiedDate.daysTo(currentDate);
 419         break;
 420     }
 421
 422     case KDirModel::Permissions: {
 423         QFileInfo info(item.url().pathOrUrl());
 424
 425         retVariant = -KDirSortFilterProxyModel::pointsForPermissions(info);
 426         break;
 427     }
 428
 429     case KDirModel::Owner:
 430         retVariant = item.user();
 431         break;
 432
 433     case KDirModel::Group:
 434         retVariant = item.group();
 435         break;
 436
 437     case KDirModel::Type:
 438         if (item.isDir()) {
 439             // when sorting we want folders to be placed first
 440             retVariant = QString(); // krazy:exclude=nullstrassign
 441         } else {
 442             retVariant = item.mimeComment();
 443         }
 444         break;
 445
 446     default:
 447         break;
 448     }
 449
 450     return retVariant;
 451 }