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_hasRevisionData(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::Revision) && (role == Qt::DecorationRole)) {
  68         // TODO: remove data again when items are deleted...
  69
  70         const QPersistentModelIndex key = index;
  71         const RevisionState state = static_cast<RevisionState>(value.toInt());
  72         if (m_revisionHash.value(key, LocalRevision) != state) {
  73             if (!m_hasRevisionData) {
  74                 connect(this, SIGNAL(rowsRemoved (const QModelIndex&, int, int)),
  75                         this, SLOT(slotRowsRemoved(const QModelIndex&, int, int)));
  76                 m_hasRevisionData = 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::Revision) {
  99             return m_revisionHash.value(index, LocalRevision);
 100         }
 101         break;
 102
 103     case Qt::DisplayRole:
 104         if (index.column() == DolphinModel::Revision) {
 105             switch (m_revisionHash.value(index, LocalRevision)) {
 106             case LatestRevision:
 107                 return i18nc("@item::intable", "Latest");
 108
 109             case LocalRevision:
 110             default:
 111                 return i18nc("@item::intable", "Local");
 112             }
 113         }
 114         break;
 115
 116     default:
 117         break;
 118     }
 119
 120     return KDirModel::data(index, role);
 121 }
 122
 123 QVariant DolphinModel::headerData(int section, Qt::Orientation orientation, int role) const
 124 {
 125     if ((orientation == Qt::Horizontal) && (role == Qt::DisplayRole)) {
 126         if (section < KDirModel::ColumnCount) {
 127             return KDirModel::headerData(section, orientation, role);
 128         }
 129
 130         Q_ASSERT(section == DolphinModel::Revision);
 131         return i18nc("@title::column", "Revision");
 132     }
 133     return QVariant();
 134 }
 135
 136 int DolphinModel::columnCount(const QModelIndex& parent) const
 137 {
 138     return KDirModel::columnCount(parent) + (ExtraColumnCount - ColumnCount);
 139 }
 140
 141 bool DolphinModel::hasRevisionData() const
 142 {
 143     return m_hasRevisionData;
 144 }
 145
 146 void DolphinModel::slotRowsRemoved(const QModelIndex& parent, int start, int end)
 147 {
 148     Q_ASSERT(hasRevisionData());
 149
 150     const int column = parent.column();
 151     for (int row = start; row <= end; ++row) {
 152         m_revisionHash.remove(parent.child(row, column));
 153     }
 154 }
 155
 156 QVariant DolphinModel::displayRoleData(const QModelIndex& index) const
 157 {
 158     QString retString;
 159
 160     if (!index.isValid()) {
 161         return retString;
 162     }
 163
 164     const KDirModel *dirModel = qobject_cast<const KDirModel*>(index.model());
 165     KFileItem item = dirModel->itemForIndex(index);
 166
 167     switch (index.column()) {
 168     case KDirModel::Name: {
 169         // KDirModel checks columns to know to which role are
 170         // we talking about
 171         const QModelIndex nameIndex = index.model()->index(index.row(), KDirModel::Name, index.parent());
 172         if (!nameIndex.isValid()) {
 173             return retString;
 174         }
 175         const QVariant data = nameIndex.model()->data(nameIndex, Qt::DisplayRole);
 176         const QString name = data.toString();
 177         if (!name.isEmpty()) {
 178             if (!item.isHidden() && name.at(0).isLetter())
 179                 retString = name.at(0).toUpper();
 180             else if (item.isHidden()) {
 181                 if (name.at(0) == '.') {
 182                     if (name.size() > 1 && name.at(1).isLetter()) {
 183                         retString = name.at(1).toUpper();
 184                     } else {
 185                         retString = i18nc("@title:group Name", m_others);
 186                     }
 187                 } else {
 188                     retString = name.at(0).toUpper();
 189                 }
 190             } else {
 191                 bool validCategory = false;
 192
 193                 const QString str(name.toUpper());
 194                 const QChar* currA = str.unicode();
 195                 while (!currA->isNull() && !validCategory) {
 196                     if (currA->isLetter()) {
 197                         validCategory = true;
 198                     } else if (currA->isDigit()) {
 199                         return i18nc("@title:group Name", m_others);
 200                     } else {
 201                         ++currA;
 202                     }
 203                 }
 204
 205                 if (!validCategory) {
 206                     retString = validCategory ? *currA : i18nc("@title:group Name", m_others);
 207                 } else {
 208                     retString = *currA;
 209                 }
 210             }
 211         }
 212         break;
 213     }
 214
 215     case KDirModel::Size: {
 216         const KIO::filesize_t fileSize = !item.isNull() ? item.size() : ~0U;
 217         if (!item.isNull() && item.isDir()) {
 218             retString = i18nc("@title:group Size", "Folders");
 219         } else if (fileSize < 5242880) {
 220             retString = i18nc("@title:group Size", "Small");
 221         } else if (fileSize < 10485760) {
 222             retString = i18nc("@title:group Size", "Medium");
 223         } else {
 224             retString = i18nc("@title:group Size", "Big");
 225         }
 226         break;
 227     }
 228
 229     case KDirModel::ModifiedTime: {
 230         KDateTime modifiedTime = item.time(KFileItem::ModificationTime);
 231         modifiedTime = modifiedTime.toLocalZone();
 232
 233         const QDate currentDate = KDateTime::currentLocalDateTime().date();
 234         const QDate modifiedDate = modifiedTime.date();
 235
 236         const int daysDistance = modifiedDate.daysTo(currentDate);
 237
 238         int yearForCurrentWeek = 0;
 239         int currentWeek = currentDate.weekNumber(&yearForCurrentWeek);
 240         if (yearForCurrentWeek == currentDate.year() + 1) {
 241             currentWeek = 53;
 242         }
 243
 244         int yearForModifiedWeek = 0;
 245         int modifiedWeek = modifiedDate.weekNumber(&yearForModifiedWeek);
 246         if (yearForModifiedWeek == modifiedDate.year() + 1) {
 247             modifiedWeek = 53;
 248         }
 249
 250         if (currentDate.year() == modifiedDate.year() && currentDate.month() == modifiedDate.month()) {
 251             switch (currentWeek - modifiedWeek) {
 252             case 0:
 253                 switch (daysDistance) {
 254                 case 0:  retString = i18nc("@title:group Date", "Today"); break;
 255                 case 1:  retString = i18nc("@title:group Date", "Yesterday"); break;
 256                 default: retString = modifiedTime.toString(i18nc("@title:group The week day name: %A", "%A"));
 257                 }
 258                 break;
 259             case 1:
 260                 retString = i18nc("@title:group Date", "Last Week");
 261                 break;
 262             case 2:
 263                 retString = i18nc("@title:group Date", "Two Weeks Ago");
 264                 break;
 265             case 3:
 266                 retString = i18nc("@title:group Date", "Three Weeks Ago");
 267                 break;
 268             case 4:
 269             case 5:
 270                 retString = i18nc("@title:group Date", "Earlier this Month");
 271                 break;
 272             default:
 273                 Q_ASSERT(false);
 274             }
 275         } else {
 276             const QDate lastMonthDate = currentDate.addMonths(-1);
 277             if  (lastMonthDate.year() == modifiedDate.year() && lastMonthDate.month() == modifiedDate.month()) {
 278                 if (daysDistance == 1) {
 279                     retString = modifiedTime.toString(i18nc("@title:group Date: %B is full month name in current locale, and %Y is full year number", "Yesterday (%B, %Y)"));
 280                 } else if (daysDistance <= 7) {
 281                     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)"));
 282                 } else if (daysDistance <= 7 * 2) {
 283                     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)"));
 284                 } else if (daysDistance <= 7 * 3) {
 285                     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)"));
 286                 } else if (daysDistance <= 7 * 4) {
 287                     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)"));
 288                 } else {
 289                     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"));
 290                 }
 291             } else {
 292                 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"));
 293             }
 294         }
 295         break;
 296     }
 297
 298     case KDirModel::Permissions: {
 299         QString user;
 300         QString group;
 301         QString others;
 302
 303         QFileInfo info(item.url().pathOrUrl());
 304
 305         // set user string
 306         if (info.permission(QFile::ReadUser)) {
 307             user = i18nc("@item:intext Access permission, concatenated", "Read, ");
 308         }
 309         if (info.permission(QFile::WriteUser)) {
 310             user += i18nc("@item:intext Access permission, concatenated", "Write, ");
 311         }
 312         if (info.permission(QFile::ExeUser)) {
 313             user += i18nc("@item:intext Access permission, concatenated", "Execute, ");
 314         }
 315         user = user.isEmpty() ? i18nc("@item:intext Access permission, concatenated", "Forbidden") : user.mid(0, user.count() - 2);
 316
 317         // set group string
 318         if (info.permission(QFile::ReadGroup)) {
 319             group = i18nc("@item:intext Access permission, concatenated", "Read, ");
 320         }
 321         if (info.permission(QFile::WriteGroup)) {
 322             group += i18nc("@item:intext Access permission, concatenated", "Write, ");
 323         }
 324         if (info.permission(QFile::ExeGroup)) {
 325             group += i18nc("@item:intext Access permission, concatenated", "Execute, ");
 326         }
 327         group = group.isEmpty() ? i18nc("@item:intext Access permission, concatenated", "Forbidden") : group.mid(0, group.count() - 2);
 328
 329         // set permission string
 330         if (info.permission(QFile::ReadOther)) {
 331             others = i18nc("@item:intext Access permission, concatenated", "Read, ");
 332         }
 333         if (info.permission(QFile::WriteOther)) {
 334             others += i18nc("@item:intext Access permission, concatenated", "Write, ");
 335         }
 336         if (info.permission(QFile::ExeOther)) {
 337             others += i18nc("@item:intext Access permission, concatenated", "Execute, ");
 338         }
 339         others = others.isEmpty() ? i18nc("@item:intext Access permission, concatenated", "Forbidden") : others.mid(0, others.count() - 2);
 340
 341         retString = i18nc("@title:group Files and folders by permissions", "(User: %1) (Group: %2) (Others: %3)", user, group, others);
 342         break;
 343     }
 344
 345     case KDirModel::Owner:
 346         retString = item.user();
 347         break;
 348
 349     case KDirModel::Group:
 350         retString = item.group();
 351         break;
 352
 353     case KDirModel::Type:
 354         retString = item.mimeComment();
 355         break;
 356
 357     case DolphinModel::Revision:
 358         retString = "test";
 359         break;
 360     }
 361
 362     return retString;
 363 }
 364
 365 QVariant DolphinModel::sortRoleData(const QModelIndex& index) const
 366 {
 367     QVariant retVariant;
 368
 369     if (!index.isValid()) {
 370         return retVariant;
 371     }
 372
 373     const KDirModel *dirModel = qobject_cast<const KDirModel*>(index.model());
 374     KFileItem item = dirModel->itemForIndex(index);
 375
 376     switch (index.column()) {
 377     case KDirModel::Name: {
 378         retVariant = data(index, KCategorizedSortFilterProxyModel::CategoryDisplayRole);
 379         if (retVariant == i18nc("@title:group Name", m_others)) {
 380             // assure that the "Others" group is always the last categorization
 381             retVariant = QString(QChar(QChar::ReplacementCharacter));
 382         }
 383         break;
 384     }
 385
 386     case KDirModel::Size: {
 387         const KIO::filesize_t fileSize = !item.isNull() ? item.size() : ~0U;
 388         if (item.isDir()) {
 389             retVariant = 0;
 390         } else if (fileSize < 5242880) {
 391             retVariant = 1;
 392         } else if (fileSize < 10485760) {
 393             retVariant = 2;
 394         } else {
 395             retVariant = 3;
 396         }
 397         break;
 398     }
 399
 400     case KDirModel::ModifiedTime: {
 401         KDateTime modifiedTime = item.time(KFileItem::ModificationTime);
 402         modifiedTime = modifiedTime.toLocalZone();
 403
 404         const QDate currentDate = KDateTime::currentLocalDateTime().date();
 405         const QDate modifiedDate = modifiedTime.date();
 406
 407         retVariant = -modifiedDate.daysTo(currentDate);
 408         break;
 409     }
 410
 411     case KDirModel::Permissions: {
 412         QFileInfo info(item.url().pathOrUrl());
 413
 414         retVariant = -KDirSortFilterProxyModel::pointsForPermissions(info);
 415         break;
 416     }
 417
 418     case KDirModel::Owner:
 419         retVariant = item.user();
 420         break;
 421
 422     case KDirModel::Group:
 423         retVariant = item.group();
 424         break;
 425
 426     case KDirModel::Type:
 427         if (item.isDir()) {
 428             // when sorting we want folders to be placed first
 429             retVariant = QString(); // krazy:exclude=nullstrassign
 430         } else {
 431             retVariant = item.mimeComment();
 432         }
 433         break;
 434
 435     default:
 436         break;
 437     }
 438
 439     return retVariant;
 440 }