src/kitemviews/kfileitemlistwidget.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2011 by Peter Penz <peter.penz19@gmail.com>             *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  18  ***************************************************************************/
  19
  20 #include "kfileitemlistwidget.h"
  21 #include "kfileitemmodel.h"
  22 #include "kitemlistview.h"
  23
  24 #include "dolphin_detailsmodesettings.h"
  25
  26 #include <KFormat>
  27 #include <KLocalizedString>
  28
  29 #include <QMimeDatabase>
  30
  31 KFileItemListWidgetInformant::KFileItemListWidgetInformant() :
  32     KStandardItemListWidgetInformant()
  33 {
  34 }
  35
  36 KFileItemListWidgetInformant::~KFileItemListWidgetInformant()
  37 {
  38 }
  39
  40 QString KFileItemListWidgetInformant::itemText(int index, const KItemListView* view) const
  41 {
  42     Q_ASSERT(qobject_cast<KFileItemModel*>(view->model()));
  43     KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(view->model());
  44
  45     const KFileItem item = fileItemModel->fileItem(index);
  46     return item.text();
  47 }
  48
  49 bool KFileItemListWidgetInformant::itemIsLink(int index, const KItemListView* view) const
  50 {
  51     Q_ASSERT(qobject_cast<KFileItemModel*>(view->model()));
  52     KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(view->model());
  53
  54     const KFileItem item = fileItemModel->fileItem(index);
  55     return item.isLink();
  56 }
  57
  58 QString KFileItemListWidgetInformant::roleText(const QByteArray& role,
  59                                                const QHash<QByteArray, QVariant>& values) const
  60 {
  61     QString text;
  62     const QVariant roleValue = values.value(role);
  63
  64     // Implementation note: In case if more roles require a custom handling
  65     // use a hash + switch for a linear runtime.
  66
  67     if (role == "size") {
  68         if (values.value("isDir").toBool()) {
  69             // The item represents a directory.
  70             if (!roleValue.isNull()) {
  71                 const int count = values.value("count").toInt();
  72                 if (count < 0) {
  73                     text = i18nc("@item:intable", "Unknown");
  74                 } else {
  75                     if (DetailsModeSettings::directorySizeCount()) {
  76                         //  Show the number of sub directories instead of the file size of the directory.
  77                         text = i18ncp("@item:intable", "%1 item", "%1 items", count);
  78                     } else {
  79                         // if we have directory size available
  80                         if (roleValue == -1) {
  81                             text = i18nc("@item:intable", "Unknown");
  82                         } else {
  83                             const KIO::filesize_t size = roleValue.value<KIO::filesize_t>();
  84                             text = KFormat().formatByteSize(size);
  85                         }
  86                     }
  87                 }
  88             }
  89         } else {
  90             const KIO::filesize_t size = roleValue.value<KIO::filesize_t>();
  91             text = KFormat().formatByteSize(size);
  92         }
  93     } else if (role == "modificationtime" || role == "creationtime" || role == "accesstime") {
  94             bool ok;
  95             const long long time = roleValue.toLongLong(&ok);
  96             if (ok && time != -1) {
  97                 return QLocale().toString(QDateTime::fromSecsSinceEpoch(time), QLocale::ShortFormat);
  98             }
  99     } else if (role == "deletiontime" || role == "imageDateTime") {
 100         const QDateTime dateTime = roleValue.toDateTime();
 101         text = QLocale().toString(dateTime, QLocale::ShortFormat);
 102     } else {
 103         text = KStandardItemListWidgetInformant::roleText(role, values);
 104     }
 105
 106     return text;
 107 }
 108
 109 QFont KFileItemListWidgetInformant::customizedFontForLinks(const QFont& baseFont) const
 110 {
 111     // The customized font should be italic if the file is a symbolic link.
 112     QFont font(baseFont);
 113     font.setItalic(true);
 114     return font;
 115 }
 116
 117
 118 KFileItemListWidget::KFileItemListWidget(KItemListWidgetInformant* informant, QGraphicsItem* parent) :
 119     KStandardItemListWidget(informant, parent)
 120 {
 121 }
 122
 123 KFileItemListWidget::~KFileItemListWidget()
 124 {
 125 }
 126
 127 KItemListWidgetInformant* KFileItemListWidget::createInformant()
 128 {
 129     return new KFileItemListWidgetInformant();
 130 }
 131
 132 bool KFileItemListWidget::isRoleRightAligned(const QByteArray& role) const
 133 {
 134     return role == "size";
 135 }
 136
 137 bool KFileItemListWidget::isHidden() const
 138 {
 139     return data().value("isHidden").toBool();
 140 }
 141
 142 QFont KFileItemListWidget::customizedFont(const QFont& baseFont) const
 143 {
 144     // The customized font should be italic if the file is a symbolic link.
 145     QFont font(baseFont);
 146     font.setItalic(data().value("isLink").toBool());
 147     return font;
 148 }
 149
 150 int KFileItemListWidget::selectionLength(const QString& text) const
 151 {
 152     // Select the text without MIME-type extension
 153     int selectionLength = text.length();
 154
 155     // If item is a directory, use the whole text length for
 156     // selection (ignore all points)
 157     if(data().value("isDir").toBool()) {
 158         return selectionLength;
 159     }
 160
 161     QMimeDatabase db;
 162     const QString extension = db.suffixForFileName(text);
 163     if (extension.isEmpty()) {
 164         // For an unknown extension just exclude the extension after
 165         // the last point. This does not work for multiple extensions like
 166         // *.tar.gz but usually this is anyhow a known extension.
 167         selectionLength = text.lastIndexOf(QLatin1Char('.'));
 168
 169         // If no point could be found, use whole text length for selection.
 170         if (selectionLength < 1) {
 171             selectionLength = text.length();
 172         }
 173
 174     } else {
 175         selectionLength -= extension.length() + 1;
 176     }
 177
 178     return selectionLength;
 179 }
 180