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 #endif
  33
  34 #include <kdatetime.h>
  35 #include <kdirmodel.h>
  36 #include <kfileitem.h>
  37 #include <kiconloader.h>
  38 #include <klocale.h>
  39 #include <kurl.h>
  40 #include <kuser.h>
  41 #include <kmimetype.h>
  42 #include <kstandarddirs.h>
  43
  44 #include <QList>
  45 #include <QSortFilterProxyModel>
  46 #include <QPainter>
  47 #include <QDir>
  48 #include <QFileInfo>
  49
  50 DolphinModel::DolphinModel(QObject *parent)
  51     : KDirModel(parent)
  52 {
  53 }
  54
  55 DolphinModel::~DolphinModel()
  56 {
  57 }
  58
  59 QVariant DolphinModel::data(const QModelIndex &index, int role) const
  60 {
  61     if (role == KCategorizedSortFilterProxyModel::CategoryRole)
  62     {
  63         QString retString;
  64
  65         if (!index.isValid())
  66         {
  67             return retString;
  68         }
  69
  70         const KDirModel *dirModel = qobject_cast<const KDirModel*>(index.model());
  71         KFileItem item = dirModel->itemForIndex(index);
  72
  73         switch (index.column())
  74         {
  75             case KDirModel::Name:
  76             {
  77                 // KDirModel checks columns to know to which role are
  78                 // we talking about
  79                 QModelIndex theIndex = index.model()->index(index.row(),
  80                                                             KDirModel::Name,
  81                                                             index.parent());
  82
  83                 if (!theIndex.isValid()) {
  84                     return retString;
  85                 }
  86
  87                 QVariant data = theIndex.model()->data(theIndex, Qt::DisplayRole);
  88                 if (data.toString().size())
  89                 {
  90                     if (!item.isHidden() && data.toString().at(0).isLetter())
  91                         retString = data.toString().toUpper().at(0);
  92                     else if (item.isHidden() && data.toString().at(0) == '.' &&
  93                             data.toString().at(1).isLetter())
  94                         retString = data.toString().toUpper().at(1);
  95                     else if (item.isHidden() && data.toString().at(0) == '.' &&
  96                             !data.toString().at(1).isLetter())
  97                         retString = i18nc("@title:group Name", "Others");
  98                     else if (item.isHidden() && data.toString().at(0) != '.')
  99                         retString = data.toString().toUpper().at(0);
 100                     else if (item.isHidden())
 101                         retString = data.toString().toUpper().at(0);
 102                     else
 103                     {
 104                         bool validCategory = false;
 105
 106                         const QString str(data.toString().toUpper());
 107                         const QChar* currA = str.unicode();
 108                         while (!currA->isNull() && !validCategory) {
 109                             if (currA->isLetter())
 110                                 validCategory = true;
 111                             else if (currA->isDigit())
 112                                 return i18nc("@title:group", "Others");
 113                             else
 114                                 ++currA;
 115                         }
 116
 117                         if (!validCategory)
 118                             retString = i18nc("@title:group Name", "Others");
 119                         else
 120                             retString = *currA;
 121                     }
 122                 }
 123                 break;
 124             }
 125
 126             case KDirModel::Size: {
 127                 const int fileSize = !item.isNull() ? item.size() : -1;
 128                 if (!item.isNull() && item.isDir()) {
 129                     retString = i18nc("@title:group Size", "Folders");
 130                 } else if (fileSize < 5242880) {
 131                     retString = i18nc("@title:group Size", "Small");
 132                 } else if (fileSize < 10485760) {
 133                     retString = i18nc("@title:group Size", "Medium");
 134                 } else {
 135                     retString = i18nc("@title:group Size", "Big");
 136                 }
 137                 break;
 138             }
 139
 140             case KDirModel::ModifiedTime:
 141             {
 142                 KDateTime modifiedTime;
 143                 modifiedTime.setTime_t(item.time(KIO::UDSEntry::UDS_MODIFICATION_TIME));
 144                 modifiedTime = modifiedTime.toLocalZone();
 145
 146                 retString = modifiedTime.toString(i18nc("Prints out the month and year: %B is full month name in current locale, and %Y is full year number", "%B, %Y"));
 147                 break;
 148             }
 149
 150             case KDirModel::Permissions:
 151             {
 152                 QString user;
 153                 QString group;
 154                 QString others;
 155
 156                 QFileInfo info(item.url().pathOrUrl());
 157
 158                 if (info.permission(QFile::ReadUser))
 159                     user = i18n("Read, ");
 160
 161                 if (info.permission(QFile::WriteUser))
 162                     user += i18n("Write, ");
 163
 164                 if (info.permission(QFile::ExeUser))
 165                     user += i18n("Execute, ");
 166
 167                 if (user.isEmpty())
 168                     user = i18n("Forbidden");
 169                 else
 170                     user = user.mid(0, user.count() - 2);
 171
 172                 if (info.permission(QFile::ReadGroup))
 173                     group = i18n("Read, ");
 174
 175                 if (info.permission(QFile::WriteGroup))
 176                     group += i18n("Write, ");
 177
 178                 if (info.permission(QFile::ExeGroup))
 179                     group += i18n("Execute, ");
 180
 181                 if (group.isEmpty())
 182                     group = i18n("Forbidden");
 183                 else
 184                     group = group.mid(0, group.count() - 2);
 185
 186                 if (info.permission(QFile::ReadOther))
 187                     others = i18n("Read, ");
 188
 189                 if (info.permission(QFile::WriteOther))
 190                     others += i18n("Write, ");
 191
 192                 if (info.permission(QFile::ExeOther))
 193                     others += i18n("Execute, ");
 194
 195                 if (others.isEmpty())
 196                     others = i18n("Forbidden");
 197                 else
 198                     others = others.mid(0, others.count() - 2);
 199
 200                 retString = i18nc("This shows files and folders permissions: user, group and others", "(User: %1) (Group: %2) (Others: %3)", user, group, others);
 201                 break;
 202             }
 203
 204             case KDirModel::Owner:
 205                 retString = item.user();
 206                 break;
 207
 208             case KDirModel::Group:
 209                 retString = item.group();
 210                 break;
 211
 212             case KDirModel::Type:
 213                 retString = item.mimeComment();
 214                 break;
 215
 216 #ifdef HAVE_NEPOMUK
 217             case DolphinModel::Rating: {
 218                 const quint32 rating = ratingForIndex(index);
 219
 220                 retString = QString::number(rating);
 221                 break;
 222             }
 223
 224             case DolphinModel::Tags: {
 225                 retString = tagsForIndex(index);
 226
 227                 if (retString.isEmpty())
 228                     retString = i18nc("@title:group Tags", "Not yet tagged");
 229
 230                 break;
 231             }
 232 #endif
 233         }
 234
 235         return retString;
 236     }
 237
 238     return KDirModel::data(index, role);
 239 }
 240
 241 int DolphinModel::columnCount(const QModelIndex &parent) const
 242 {
 243     return KDirModel::columnCount(parent) + (ExtraColumnCount - ColumnCount);
 244 }
 245
 246 quint32 DolphinModel::ratingForIndex(const QModelIndex& index)
 247 {
 248 #ifdef HAVE_NEPOMUK
 249     quint32 rating = 0;
 250
 251     const DolphinModel* dolphinModel = static_cast<const DolphinModel*>(index.model());
 252     KFileItem item = dolphinModel->itemForIndex(index);
 253     if (!item.isNull()) {
 254         const Nepomuk::Resource resource(item.url().url(), Nepomuk::NFO::File());
 255         rating = resource.rating();
 256     }
 257     return rating;
 258 #else
 259     Q_UNUSED(index);
 260     return 0;
 261 #endif
 262 }
 263
 264 QString DolphinModel::tagsForIndex(const QModelIndex& index)
 265 {
 266 #ifdef HAVE_NEPOMUK
 267     QString tagsString;
 268
 269     const DolphinModel* dolphinModel = static_cast<const DolphinModel*>(index.model());
 270     KFileItem item = dolphinModel->itemForIndex(index);
 271     if (!item.isNull()) {
 272         const Nepomuk::Resource resource(item.url().url(), Nepomuk::NFO::File());
 273         const QList<Nepomuk::Tag> tags = resource.tags();
 274         QStringList stringList;
 275         foreach (const Nepomuk::Tag& tag, tags) {
 276             stringList.append(tag.label());
 277         }
 278         stringList.sort();
 279
 280         foreach (const QString& str, stringList) {
 281             tagsString += str;
 282             tagsString += ", ";
 283         }
 284
 285         if (!tagsString.isEmpty()) {
 286             tagsString.resize(tagsString.size() - 2);
 287         }
 288     }
 289
 290     return tagsString;
 291 #else
 292     Q_UNUSED(index);
 293     return QString();
 294 #endif
 295 }