src/kitemviews/kfileitemlistwidget.cpp

   1 /*
   2  * SPDX-FileCopyrightText: 2011 Peter Penz <peter.penz19@gmail.com>
   3  *
   4  * SPDX-License-Identifier: GPL-2.0-or-later
   5  */
   6
   7 #include "kfileitemlistwidget.h"
   8 #include "kfileitemmodel.h"
   9 #include "kitemlistview.h"
  10
  11 #include "dolphin_detailsmodesettings.h"
  12
  13 #include <KFormat>
  14 #include <KLocalizedString>
  15
  16 #include <QMimeDatabase>
  17
  18 KFileItemListWidgetInformant::KFileItemListWidgetInformant() :
  19     KStandardItemListWidgetInformant()
  20 {
  21 }
  22
  23 KFileItemListWidgetInformant::~KFileItemListWidgetInformant()
  24 {
  25 }
  26
  27 QString KFileItemListWidgetInformant::itemText(int index, const KItemListView* view) const
  28 {
  29     Q_ASSERT(qobject_cast<KFileItemModel*>(view->model()));
  30     KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(view->model());
  31
  32     const KFileItem item = fileItemModel->fileItem(index);
  33     return item.text();
  34 }
  35
  36 bool KFileItemListWidgetInformant::itemIsLink(int index, const KItemListView* view) const
  37 {
  38     Q_ASSERT(qobject_cast<KFileItemModel*>(view->model()));
  39     KFileItemModel* fileItemModel = static_cast<KFileItemModel*>(view->model());
  40
  41     const KFileItem item = fileItemModel->fileItem(index);
  42     return item.isLink();
  43 }
  44
  45 QString KFileItemListWidgetInformant::roleText(const QByteArray& role,
  46                                                const QHash<QByteArray, QVariant>& values) const
  47 {
  48     QString text;
  49     const QVariant roleValue = values.value(role);
  50
  51     // Implementation note: In case if more roles require a custom handling
  52     // use a hash + switch for a linear runtime.
  53
  54     if (role == "size") {
  55         if (values.value("isDir").toBool()) {
  56             // The item represents a directory.
  57             if (!roleValue.isNull()) {
  58                 const int count = values.value("count").toInt();
  59                 if (count > 0) {
  60                     if (DetailsModeSettings::directorySizeCount()) {
  61                         //  Show the number of sub directories instead of the file size of the directory.
  62                         text = i18ncp("@item:intable", "%1 item", "%1 items", count);
  63                     } else {
  64                         // if we have directory size available
  65                         if (roleValue != -1) {
  66                             const KIO::filesize_t size = roleValue.value<KIO::filesize_t>();
  67                             text = KFormat().formatByteSize(size);
  68                         }
  69                     }
  70                 }
  71             }
  72         } else {
  73             const KIO::filesize_t size = roleValue.value<KIO::filesize_t>();
  74             text = KFormat().formatByteSize(size);
  75         }
  76     } else if (role == "modificationtime" || role == "creationtime" || role == "accesstime") {
  77             bool ok;
  78             const long long time = roleValue.toLongLong(&ok);
  79             if (ok && time != -1) {
  80                 return QLocale().toString(QDateTime::fromSecsSinceEpoch(time), QLocale::ShortFormat);
  81             }
  82     } else if (role == "deletiontime" || role == "imageDateTime") {
  83         const QDateTime dateTime = roleValue.toDateTime();
  84         text = QLocale().toString(dateTime, QLocale::ShortFormat);
  85     } else {
  86         text = KStandardItemListWidgetInformant::roleText(role, values);
  87     }
  88
  89     return text;
  90 }
  91
  92 QFont KFileItemListWidgetInformant::customizedFontForLinks(const QFont& baseFont) const
  93 {
  94     // The customized font should be italic if the file is a symbolic link.
  95     QFont font(baseFont);
  96     font.setItalic(true);
  97     return font;
  98 }
  99
 100
 101 KFileItemListWidget::KFileItemListWidget(KItemListWidgetInformant* informant, QGraphicsItem* parent) :
 102     KStandardItemListWidget(informant, parent)
 103 {
 104 }
 105
 106 KFileItemListWidget::~KFileItemListWidget()
 107 {
 108 }
 109
 110 KItemListWidgetInformant* KFileItemListWidget::createInformant()
 111 {
 112     return new KFileItemListWidgetInformant();
 113 }
 114
 115 bool KFileItemListWidget::isRoleRightAligned(const QByteArray& role) const
 116 {
 117     return role == "size";
 118 }
 119
 120 bool KFileItemListWidget::isHidden() const
 121 {
 122     return data().value("isHidden").toBool();
 123 }
 124
 125 QFont KFileItemListWidget::customizedFont(const QFont& baseFont) const
 126 {
 127     // The customized font should be italic if the file is a symbolic link.
 128     QFont font(baseFont);
 129     font.setItalic(data().value("isLink").toBool());
 130     return font;
 131 }
 132
 133 int KFileItemListWidget::selectionLength(const QString& text) const
 134 {
 135     // Select the text without MIME-type extension
 136     int selectionLength = text.length();
 137
 138     // If item is a directory, use the whole text length for
 139     // selection (ignore all points)
 140     if(data().value("isDir").toBool()) {
 141         return selectionLength;
 142     }
 143
 144     QMimeDatabase db;
 145     const QString extension = db.suffixForFileName(text);
 146     if (extension.isEmpty()) {
 147         // For an unknown extension just exclude the extension after
 148         // the last point. This does not work for multiple extensions like
 149         // *.tar.gz but usually this is anyhow a known extension.
 150         selectionLength = text.lastIndexOf(QLatin1Char('.'));
 151
 152         // If no point could be found, use whole text length for selection.
 153         if (selectionLength < 1) {
 154             selectionLength = text.length();
 155         }
 156
 157     } else {
 158         selectionLength -= extension.length() + 1;
 159     }
 160
 161     return selectionLength;
 162 }
 163