src/dolphinitemcategorizer.cpp

   1 /**
   2   * This file is part of the KDE project
   3   * Copyright (C) 2007 Rafael Fernández López <ereslibre@gmail.com>
   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 "dolphinitemcategorizer.h"
  22
  23 #include "dolphinview.h"
  24
  25 #ifdef HAVE_NEPOMUK
  26 #include <config-nepomuk.h>
  27 #include <nepomuk/global.h>
  28 #include <nepomuk/resource.h>
  29 #endif
  30
  31 #include <kdatetime.h>
  32 #include <kdirmodel.h>
  33 #include <kfileitem.h>
  34 #include <klocale.h>
  35 #include <kurl.h>
  36
  37 #include <QtGui/QSortFilterProxyModel>
  38
  39 DolphinItemCategorizer::DolphinItemCategorizer() :
  40     KItemCategorizer()
  41 {
  42 }
  43
  44 DolphinItemCategorizer::~DolphinItemCategorizer()
  45 {
  46 }
  47
  48 QString DolphinItemCategorizer::categoryForItem(const QModelIndex& index,
  49                                                 int sortRole)
  50 {
  51     QString retString;
  52
  53     if (!index.isValid())
  54     {
  55         return retString;
  56     }
  57
  58     const KDirModel *dirModel = qobject_cast<const KDirModel*>(index.model());
  59     KFileItem *item = dirModel->itemForIndex(index);
  60
  61     switch (sortRole)
  62     {
  63         case DolphinView::SortByName:
  64         {
  65             // KDirModel checks columns to know to which role are
  66             // we talking about
  67             QModelIndex theIndex = index.model()->index(index.row(),
  68                                                         KDirModel::Name,
  69                                                         index.parent());
  70
  71             if (!theIndex.isValid()) {
  72                 return retString;
  73             }
  74
  75             QVariant data = theIndex.model()->data(theIndex, Qt::DisplayRole);
  76             if (data.toString().size())
  77             {
  78                 if (!item->isHidden() && data.toString().at(0).isLetter())
  79                     retString = data.toString().toUpper().at(0);
  80                 else if (item->isHidden() && data.toString().at(0) == '.' &&
  81                          data.toString().at(1).isLetter())
  82                     retString = data.toString().toUpper().at(1);
  83                 else if (item->isHidden() && data.toString().at(0) == '.' &&
  84                          !data.toString().at(1).isLetter())
  85                     retString = i18n("Others");
  86                 else if (item->isHidden() && data.toString().at(0) != '.')
  87                     retString = data.toString().toUpper().at(0);
  88                 else if (item->isHidden())
  89                     retString = data.toString().toUpper().at(0);
  90                 else
  91                 {
  92                     bool validCategory = false;
  93
  94                     const QString str(data.toString().toUpper());
  95                     const QChar* currA = str.unicode();
  96                     while (!currA->isNull() && !validCategory) {
  97                         if (currA->isLetter())
  98                             validCategory = true;
  99                         else if (currA->isDigit())
 100                             return i18n("Others");
 101                         else
 102                             ++currA;
 103                     }
 104
 105                     if (!validCategory)
 106                         retString = i18n("Others");
 107                     else
 108                         retString = *currA;
 109                 }
 110             }
 111             break;
 112         }
 113
 114         case DolphinView::SortByDate:
 115         {
 116             KDateTime modifiedTime;
 117             modifiedTime.setTime_t(item->time(KIO::UDS_MODIFICATION_TIME));
 118             modifiedTime = modifiedTime.toLocalZone();
 119
 120             if (modifiedTime.daysTo(KDateTime::currentLocalDateTime()) == 0)
 121                 retString = i18n("Today");
 122             else if (modifiedTime.daysTo(KDateTime::currentLocalDateTime()) == 1)
 123                 retString = i18n("Yesterday");
 124             else if (modifiedTime.daysTo(KDateTime::currentLocalDateTime()) < 7)
 125                 retString = i18n("Less than a week");
 126             else if (modifiedTime.daysTo(KDateTime::currentLocalDateTime()) < 31)
 127                 retString = i18n("Less than a month");
 128             else if (modifiedTime.daysTo(KDateTime::currentLocalDateTime()) < 365)
 129                 retString = i18n("Less than a year");
 130             else
 131                 retString = i18n("More than a year");
 132             break;
 133         }
 134
 135         case DolphinView::SortByPermissions:
 136             retString = item->permissionsString();
 137             break;
 138
 139         case DolphinView::SortByOwner:
 140             retString = item->user();
 141             break;
 142
 143         case DolphinView::SortByGroup:
 144             retString = item->group();
 145             break;
 146
 147         case DolphinView::SortBySize: {
 148             const int fileSize = item ? item->size() : -1;
 149             if (item && item->isDir()) {
 150                 retString = i18n("Folders");
 151             } else if (fileSize < 5242880) {
 152                 retString = i18nc("Size", "Small");
 153             } else if (fileSize < 10485760) {
 154                 retString = i18nc("Size", "Medium");
 155             } else {
 156                 retString = i18nc("Size", "Big");
 157             }
 158             break;
 159         }
 160
 161         case DolphinView::SortByType:
 162             retString = item->mimeComment();
 163             break;
 164
 165 #ifdef HAVE_NEPOMUK
 166         case DolphinView::SortByRating: {
 167             KFileItem* item = dirModel->itemForIndex(index);
 168             if (item != 0) {
 169                 const Nepomuk::Resource resource(item->url().url(), Nepomuk::NFO::File());
 170                 const quint32 rating = resource.rating();
 171                 retString = i18np("1 star", "%1 stars", rating);
 172             }
 173             break;
 174         }
 175         case DolphinView::SortByTags:
 176             break;
 177 #endif
 178     }
 179
 180     return retString;
 181 }