src/views/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 <kdatetime.h>
  28 #include <kdirmodel.h>
  29 #include <kfileitem.h>
  30 #include <kiconloader.h>
  31 #include <klocale.h>
  32 #include <kurl.h>
  33 #include <kuser.h>
  34 #include <kmimetype.h>
  35 #include <kstandarddirs.h>
  36
  37 #include <QList>
  38 #include <QSortFilterProxyModel>
  39 #include <QPainter>
  40 #include <QPersistentModelIndex>
  41 #include <QDir>
  42 #include <QFileInfo>
  43
  44 const char* const DolphinModel::m_others = I18N_NOOP2("@title:group Name", "Others");
  45
  46 DolphinModel::DolphinModel(QObject* parent) :
  47     KDirModel(parent),
  48     m_hasVersionData(false),
  49     m_revisionHash()
  50 {
  51     setJobTransfersVisible(true);
  52 }
  53
  54 DolphinModel::~DolphinModel()
  55 {
  56 }
  57
  58 bool DolphinModel::setData(const QModelIndex& index, const QVariant& value, int role)
  59 {
  60     if ((index.column() == DolphinModel::Version) && (role == Qt::DecorationRole)) {
  61         // TODO: remove data again when items are deleted...
  62
  63         const QPersistentModelIndex key = index;
  64         const KVersionControlPlugin::VersionState state = static_cast<KVersionControlPlugin::VersionState>(value.toInt());
  65         if (m_revisionHash.value(key, KVersionControlPlugin::UnversionedVersion) != state) {
  66             if (!m_hasVersionData) {
  67                 connect(this, SIGNAL(rowsRemoved (const QModelIndex&, int, int)),
  68                         this, SLOT(slotRowsRemoved(const QModelIndex&, int, int)));
  69                 m_hasVersionData = true;
  70             }
  71
  72             m_revisionHash.insert(key, state);
  73             emit dataChanged(index, index);
  74             return true;
  75         }
  76     }
  77
  78     return KDirModel::setData(index, value, role);
  79 }
  80
  81 QVariant DolphinModel::data(const QModelIndex& index, int role) const
  82 {
  83     switch (role) {
  84     case KCategorizedSortFilterProxyModel::CategoryDisplayRole:
  85         return displayRoleData(index);
  86
  87     case KCategorizedSortFilterProxyModel::CategorySortRole:
  88         return sortRoleData(index);
  89
  90     case Qt::DecorationRole:
  91         if (index.column() == DolphinModel::Version) {
  92             return m_revisionHash.value(index, KVersionControlPlugin::UnversionedVersion);
  93         }
  94         break;
  95
  96     case Qt::DisplayRole:
  97         switch (index.column()) {
  98         case DolphinModel::LinkDest: {
  99             const KDirModel *dirModel = qobject_cast<const KDirModel*>(index.model());
 100             const KFileItem item = dirModel->itemForIndex(index);
 101             return item.linkDest();
 102         }
 103
 104         case DolphinModel::LocalPathOrUrl:
 105             const KDirModel *dirModel = qobject_cast<const KDirModel*>(index.model());
 106             const KFileItem item = dirModel->itemForIndex(index);
 107             return item.url().directory();
 108         }
 109         break;
 110
 111     default:
 112         break;
 113     }
 114
 115     return KDirModel::data(index, role);
 116 }
 117
 118 QVariant DolphinModel::headerData(int section, Qt::Orientation orientation, int role) const
 119 {
 120     if ((orientation == Qt::Horizontal) && (role == Qt::DisplayRole)) {
 121         switch (section) {
 122         case DolphinModel::LinkDest:
 123             return i18nc("@title::column", "Link Destination");
 124         case DolphinModel::LocalPathOrUrl:
 125             return i18nc("@title::column", "Path");
 126         default:
 127             return KDirModel::headerData(section, orientation, role);
 128         }
 129     }
 130     return QVariant();
 131 }
 132
 133 int DolphinModel::columnCount(const QModelIndex& parent) const
 134 {
 135     return KDirModel::columnCount(parent) + (ExtraColumnCount - ColumnCount);
 136 }
 137
 138 void DolphinModel::clearVersionData()
 139 {
 140     m_revisionHash.clear();
 141     m_hasVersionData = false;
 142 }
 143
 144 bool DolphinModel::hasVersionData() const
 145 {
 146     return m_hasVersionData;
 147 }
 148
 149 void DolphinModel::slotRowsRemoved(const QModelIndex& parent, int start, int end)
 150 {
 151     if (m_hasVersionData) {
 152         const int column = parent.column();
 153         for (int row = start; row <= end; ++row) {
 154             m_revisionHash.remove(parent.child(row, column));
 155         }
 156     }
 157 }
 158
 159 QVariant DolphinModel::displayRoleData(const QModelIndex& index) const
 160 {
 161     QString retString;
 162
 163     if (!index.isValid()) {
 164         return retString;
 165     }
 166
 167     const KDirModel *dirModel = qobject_cast<const KDirModel*>(index.model());
 168     KFileItem item = dirModel->itemForIndex(index);
 169
 170     switch (index.column()) {
 171     case KDirModel::Name: {
 172         // KDirModel checks columns to know to which role are
 173         // we talking about
 174         const QModelIndex nameIndex = index.model()->index(index.row(), KDirModel::Name, index.parent());
 175         if (!nameIndex.isValid()) {
 176             return retString;
 177         }
 178         const QVariant data = nameIndex.model()->data(nameIndex, Qt::DisplayRole);
 179         const QString name = data.toString();
 180         if (!name.isEmpty()) {
 181             if (!item.isHidden() && name.at(0).isLetter())
 182                 retString = name.at(0).toUpper();
 183             else if (item.isHidden()) {
 184                 if (name.at(0) == '.') {
 185                     if (name.size() > 1 && name.at(1).isLetter()) {
 186                         retString = name.at(1).toUpper();
 187                     } else {
 188                         retString = i18nc("@title:group Name", m_others);
 189                     }
 190                 } else {
 191                     retString = name.at(0).toUpper();
 192                 }
 193             } else {
 194                 bool validCategory = false;
 195
 196                 const QString str(name.toUpper());
 197                 const QChar* currA = str.unicode();
 198                 while (!currA->isNull() && !validCategory) {
 199                     if (currA->isLetter()) {
 200                         validCategory = true;
 201                     } else if (currA->isDigit()) {
 202                         return i18nc("@title:group Name", m_others);
 203                     } else {
 204                         ++currA;
 205                     }
 206                 }
 207
 208                 retString = validCategory ? *currA : i18nc("@title:group Name", m_others);
 209             }
 210         }
 211         break;
 212     }
 213
 214     case KDirModel::Size: {
 215         const KIO::filesize_t fileSize = !item.isNull() ? item.size() : ~0U;
 216         if (!item.isNull() && item.isDir()) {
 217             retString = i18nc("@title:group Size", "Folders");
 218         } else if (fileSize < 5242880) {
 219             retString = i18nc("@title:group Size", "Small");
 220         } else if (fileSize < 10485760) {
 221             retString = i18nc("@title:group Size", "Medium");
 222         } else {
 223             retString = i18nc("@title:group Size", "Big");
 224         }
 225         break;
 226     }
 227
 228     case KDirModel::ModifiedTime: {
 229         KDateTime modifiedTime = item.time(KFileItem::ModificationTime);
 230         modifiedTime = modifiedTime.toLocalZone();
 231
 232         const QDate currentDate = KDateTime::currentLocalDateTime().date();
 233         const QDate modifiedDate = modifiedTime.date();
 234
 235         const int daysDistance = modifiedDate.daysTo(currentDate);
 236
 237         int yearForCurrentWeek = 0;
 238         int currentWeek = currentDate.weekNumber(&yearForCurrentWeek);
 239         if (yearForCurrentWeek == currentDate.year() + 1) {
 240             currentWeek = 53;
 241         }
 242
 243         int yearForModifiedWeek = 0;
 244         int modifiedWeek = modifiedDate.weekNumber(&yearForModifiedWeek);
 245         if (yearForModifiedWeek == modifiedDate.year() + 1) {
 246             modifiedWeek = 53;
 247         }
 248
 249         if (currentDate.year() == modifiedDate.year() && currentDate.month() == modifiedDate.month()) {
 250             if (modifiedWeek > currentWeek) {
 251                 // use case: modified date = 2010-01-01, current date = 2010-01-22
 252                 //           modified week = 53,         current week = 3
 253                 modifiedWeek = 0;
 254             }
 255             switch (currentWeek - modifiedWeek) {
 256             case 0:
 257                 switch (daysDistance) {
 258                 case 0:  retString = i18nc("@title:group Date", "Today"); break;
 259                 case 1:  retString = i18nc("@title:group Date", "Yesterday"); break;
 260                 default: retString = modifiedTime.toString(i18nc("@title:group The week day name: %A", "%A"));
 261                 }
 262                 break;
 263             case 1:
 264                 retString = i18nc("@title:group Date", "Last Week");
 265                 break;
 266             case 2:
 267                 retString = i18nc("@title:group Date", "Two Weeks Ago");
 268                 break;
 269             case 3:
 270                 retString = i18nc("@title:group Date", "Three Weeks Ago");
 271                 break;
 272             case 4:
 273             case 5:
 274                 retString = i18nc("@title:group Date", "Earlier this Month");
 275                 break;
 276             default:
 277                 Q_ASSERT(false);
 278             }
 279         } else {
 280             const QDate lastMonthDate = currentDate.addMonths(-1);
 281             if  (lastMonthDate.year() == modifiedDate.year() && lastMonthDate.month() == modifiedDate.month()) {
 282                 if (daysDistance == 1) {
 283                     retString = modifiedTime.toString(i18nc("@title:group Date: %B is full month name in current locale, and %Y is full year number", "Yesterday (%B, %Y)"));
 284                 } else if (daysDistance <= 7) {
 285                     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)"));
 286                 } else if (daysDistance <= 7 * 2) {
 287                     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)"));
 288                 } else if (daysDistance <= 7 * 3) {
 289                     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)"));
 290                 } else if (daysDistance <= 7 * 4) {
 291                     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)"));
 292                 } else {
 293                     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"));
 294                 }
 295             } else {
 296                 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"));
 297             }
 298         }
 299         break;
 300     }
 301
 302     case KDirModel::Permissions: {
 303         QString user;
 304         QString group;
 305         QString others;
 306
 307         QFileInfo info(item.url().pathOrUrl());
 308
 309         // set user string
 310         if (info.permission(QFile::ReadUser)) {
 311             user = i18nc("@item:intext Access permission, concatenated", "Read, ");
 312         }
 313         if (info.permission(QFile::WriteUser)) {
 314             user += i18nc("@item:intext Access permission, concatenated", "Write, ");
 315         }
 316         if (info.permission(QFile::ExeUser)) {
 317             user += i18nc("@item:intext Access permission, concatenated", "Execute, ");
 318         }
 319         user = user.isEmpty() ? i18nc("@item:intext Access permission, concatenated", "Forbidden") : user.mid(0, user.count() - 2);
 320
 321         // set group string
 322         if (info.permission(QFile::ReadGroup)) {
 323             group = i18nc("@item:intext Access permission, concatenated", "Read, ");
 324         }
 325         if (info.permission(QFile::WriteGroup)) {
 326             group += i18nc("@item:intext Access permission, concatenated", "Write, ");
 327         }
 328         if (info.permission(QFile::ExeGroup)) {
 329             group += i18nc("@item:intext Access permission, concatenated", "Execute, ");
 330         }
 331         group = group.isEmpty() ? i18nc("@item:intext Access permission, concatenated", "Forbidden") : group.mid(0, group.count() - 2);
 332
 333         // set permission string
 334         if (info.permission(QFile::ReadOther)) {
 335             others = i18nc("@item:intext Access permission, concatenated", "Read, ");
 336         }
 337         if (info.permission(QFile::WriteOther)) {
 338             others += i18nc("@item:intext Access permission, concatenated", "Write, ");
 339         }
 340         if (info.permission(QFile::ExeOther)) {
 341             others += i18nc("@item:intext Access permission, concatenated", "Execute, ");
 342         }
 343         others = others.isEmpty() ? i18nc("@item:intext Access permission, concatenated", "Forbidden") : others.mid(0, others.count() - 2);
 344
 345         retString = i18nc("@title:group Files and folders by permissions", "(User: %1) (Group: %2) (Others: %3)", user, group, others);
 346         break;
 347     }
 348
 349     case KDirModel::Owner:
 350         retString = item.user();
 351         break;
 352
 353     case KDirModel::Group:
 354         retString = item.group();
 355         break;
 356
 357     case KDirModel::Type:
 358         retString = item.mimeComment();
 359         break;
 360
 361     case DolphinModel::Version:
 362         retString = "test";
 363         break;
 364     }
 365
 366     return retString;
 367 }
 368
 369 QVariant DolphinModel::sortRoleData(const QModelIndex& index) const
 370 {
 371     QVariant retVariant;
 372
 373     if (!index.isValid()) {
 374         return retVariant;
 375     }
 376
 377     const KDirModel *dirModel = qobject_cast<const KDirModel*>(index.model());
 378     KFileItem item = dirModel->itemForIndex(index);
 379
 380     switch (index.column()) {
 381     case KDirModel::Name: {
 382         retVariant = data(index, KCategorizedSortFilterProxyModel::CategoryDisplayRole);
 383         if (retVariant == i18nc("@title:group Name", m_others)) {
 384             // assure that the "Others" group is always the last categorization
 385             retVariant = QString('Z').append(QChar::ReplacementCharacter);
 386         }
 387         break;
 388     }
 389
 390     case KDirModel::Size: {
 391         const KIO::filesize_t fileSize = !item.isNull() ? item.size() : ~0U;
 392         if (item.isDir()) {
 393             retVariant = 0;
 394         } else if (fileSize < 5242880) {
 395             retVariant = 1;
 396         } else if (fileSize < 10485760) {
 397             retVariant = 2;
 398         } else {
 399             retVariant = 3;
 400         }
 401         break;
 402     }
 403
 404     case KDirModel::ModifiedTime: {
 405         KDateTime modifiedTime = item.time(KFileItem::ModificationTime);
 406         modifiedTime = modifiedTime.toLocalZone();
 407
 408         const QDate currentDate = KDateTime::currentLocalDateTime().date();
 409         const QDate modifiedDate = modifiedTime.date();
 410
 411         retVariant = -modifiedDate.daysTo(currentDate);
 412         break;
 413     }
 414
 415     case KDirModel::Permissions: {
 416         QFileInfo info(item.url().pathOrUrl());
 417
 418         retVariant = -KDirSortFilterProxyModel::pointsForPermissions(info);
 419         break;
 420     }
 421
 422     case KDirModel::Owner:
 423         retVariant = item.user();
 424         break;
 425
 426     case KDirModel::Group:
 427         retVariant = item.group();
 428         break;
 429
 430     case KDirModel::Type:
 431         if (item.isDir()) {
 432             // when sorting we want folders to be placed first
 433             retVariant = QString(); // krazy:exclude=nullstrassign
 434         } else {
 435             retVariant = item.mimeComment();
 436         }
 437         break;
 438
 439     default:
 440         break;
 441     }
 442
 443     return retVariant;
 444 }