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