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 "kfileitemlistview.h"
   9 #include "kfileitemmodel.h"
  10 #include "kitemlistview.h"
  11
  12 #include "dolphin_contentdisplaysettings.h"
  13
  14 #include <KFormat>
  15 #include <KLocalizedString>
  16
  17 #include <QGraphicsScene>
  18 #include <QGraphicsView>
  19 #include <QMimeDatabase>
  20
  21 KFileItemListWidgetInformant::KFileItemListWidgetInformant()
  22     : KStandardItemListWidgetInformant()
  23 {
  24 }
  25
  26 KFileItemListWidgetInformant::~KFileItemListWidgetInformant()
  27 {
  28 }
  29
  30 QString KFileItemListWidgetInformant::itemText(int index, const KItemListView *view) const
  31 {
  32     Q_ASSERT(qobject_cast<KFileItemModel *>(view->model()));
  33     KFileItemModel *fileItemModel = static_cast<KFileItemModel *>(view->model());
  34
  35     const KFileItem item = fileItemModel->fileItem(index);
  36     return item.text();
  37 }
  38
  39 bool KFileItemListWidgetInformant::itemIsLink(int index, const KItemListView *view) const
  40 {
  41     Q_ASSERT(qobject_cast<KFileItemModel *>(view->model()));
  42     KFileItemModel *fileItemModel = static_cast<KFileItemModel *>(view->model());
  43
  44     const KFileItem item = fileItemModel->fileItem(index);
  45     return item.isLink();
  46 }
  47
  48 QString KFileItemListWidgetInformant::roleText(const QByteArray &role, const QHash<QByteArray, QVariant> &values) const
  49 {
  50     QString text;
  51     const QVariant roleValue = values.value(role);
  52     QLocale local;
  53     KFormat formatter(local);
  54
  55     // Implementation note: In case if more roles require a custom handling
  56     // use a hash + switch for a linear runtime.
  57
  58     auto formatDate = [formatter, local](const QDateTime &time) {
  59         if (ContentDisplaySettings::useShortRelativeDates()) {
  60             return formatter.formatRelativeDateTime(time, QLocale::ShortFormat);
  61         } else {
  62             return local.toString(time, QLocale::ShortFormat);
  63         }
  64     };
  65
  66     if (role == "size") {
  67         if (values.value("isDir").toBool()) {
  68             if (!roleValue.isNull() && roleValue != -1) {
  69                 // The item represents a directory.
  70                 if (ContentDisplaySettings::directorySizeMode() == ContentDisplaySettings::EnumDirectorySizeMode::ContentCount
  71                     || roleValue == -2 /* size is invalid */) {
  72                     //  Show the number of sub directories instead of the file size of the directory.
  73                     const int count = values.value("count").toInt();
  74                     text = i18ncp("@item:intable", "%1 item", "%1 items", count);
  75                 } else {
  76                     // if we have directory size available
  77                     const KIO::filesize_t size = roleValue.value<KIO::filesize_t>();
  78                     text = formatter.formatByteSize(size);
  79                 }
  80             }
  81         } else {
  82             const KIO::filesize_t size = roleValue.value<KIO::filesize_t>();
  83             text = formatter.formatByteSize(size);
  84         }
  85     } else if (role == "modificationtime" || role == "creationtime" || role == "accesstime") {
  86         bool ok;
  87         const long long time = roleValue.toLongLong(&ok);
  88         if (ok && time != -1) {
  89             const QDateTime dateTime = QDateTime::fromSecsSinceEpoch(time);
  90             text = formatDate(dateTime);
  91         }
  92     } else if (role == "deletiontime" || role == "imageDateTime") {
  93         const QDateTime dateTime = roleValue.toDateTime();
  94         if (dateTime.isValid()) {
  95             text = formatDate(dateTime);
  96         }
  97     } else if (role == "dimensions") {
  98         const auto dimensions = roleValue.toSize();
  99         if (dimensions.isValid()) {
 100             text = i18nc("width × height", "%1 × %2", dimensions.width(), dimensions.height());
 101         }
 102     } else if (role == "permissions") {
 103         const auto permissions = roleValue.value<QVariantList>();
 104
 105         switch (ContentDisplaySettings::usePermissionsFormat()) {
 106         case ContentDisplaySettings::EnumUsePermissionsFormat::SymbolicFormat:
 107             text = permissions.at(0).toString();
 108             break;
 109         case ContentDisplaySettings::EnumUsePermissionsFormat::NumericFormat:
 110             text = QString::number(permissions.at(1).toInt(), 8);
 111             break;
 112         case ContentDisplaySettings::EnumUsePermissionsFormat::CombinedFormat:
 113             text = QLatin1String("%1 (%2)").arg(permissions.at(0).toString()).arg(permissions.at(1).toInt(), 0, 8);
 114             break;
 115         }
 116     } else {
 117         text = KStandardItemListWidgetInformant::roleText(role, values);
 118     }
 119
 120     return text;
 121 }
 122
 123 QFont KFileItemListWidgetInformant::customizedFontForLinks(const QFont &baseFont) const
 124 {
 125     // The customized font should be italic if the file is a symbolic link.
 126     QFont font(baseFont);
 127     font.setItalic(true);
 128     return font;
 129 }
 130
 131 KFileItemListWidget::KFileItemListWidget(KItemListWidgetInformant *informant, QGraphicsItem *parent)
 132     : KStandardItemListWidget(informant, parent)
 133 {
 134 }
 135
 136 KFileItemListWidget::~KFileItemListWidget()
 137 {
 138 }
 139
 140 KItemListWidgetInformant *KFileItemListWidget::createInformant()
 141 {
 142     return new KFileItemListWidgetInformant();
 143 }
 144
 145 bool KFileItemListWidget::isRoleRightAligned(const QByteArray &role) const
 146 {
 147     return role == "size" || role == "permissions";
 148 }
 149
 150 bool KFileItemListWidget::isHidden() const
 151 {
 152     return data().value("isHidden").toBool();
 153 }
 154
 155 QFont KFileItemListWidget::customizedFont(const QFont &baseFont) const
 156 {
 157     // The customized font should be italic if the file is a symbolic link.
 158     QFont font(baseFont);
 159     font.setItalic(data().value("isLink").toBool());
 160     return font;
 161 }
 162
 163 int KFileItemListWidget::selectionLength(const QString &text) const
 164 {
 165     // Select the text without MIME-type extension
 166     int selectionLength = text.length();
 167
 168     // If item is a directory, use the whole text length for
 169     // selection (ignore all points)
 170     if (data().value("isDir").toBool()) {
 171         return selectionLength;
 172     }
 173
 174     QMimeDatabase db;
 175     const QString extension = db.suffixForFileName(text);
 176     if (extension.isEmpty()) {
 177         // For an unknown extension just exclude the extension after
 178         // the last point. This does not work for multiple extensions like
 179         // *.tar.gz but usually this is anyhow a known extension.
 180         selectionLength = text.lastIndexOf(QLatin1Char('.'));
 181
 182         // If no point could be found, use whole text length for selection.
 183         if (selectionLength < 1) {
 184             selectionLength = text.length();
 185         }
 186
 187     } else {
 188         selectionLength -= extension.length() + 1;
 189     }
 190
 191     return selectionLength;
 192 }
 193
 194 void KFileItemListWidget::hoverSequenceStarted()
 195 {
 196     KFileItemListView *view = listView();
 197
 198     if (!view) {
 199         return;
 200     }
 201
 202     const QUrl itemUrl = data().value("url").toUrl();
 203
 204     view->setHoverSequenceState(itemUrl, 0);
 205 }
 206
 207 void KFileItemListWidget::forceUpdate()
 208 {
 209     updateAdditionalInfoTextColor();
 210     // icon layout does not include the icons in the item selection rectangle
 211     // so its icon does not need updating
 212     if (listView()->itemLayout() != KStandardItemListView::ItemLayout::IconsLayout) {
 213         invalidateIconCache();
 214     }
 215     update();
 216 }
 217
 218 void KFileItemListWidget::hoverSequenceIndexChanged(int sequenceIndex)
 219 {
 220     KFileItemListView *view = listView();
 221
 222     if (!view) {
 223         return;
 224     }
 225
 226     const QUrl itemUrl = data().value("url").toUrl();
 227
 228     view->setHoverSequenceState(itemUrl, sequenceIndex);
 229
 230     // Force-update the displayed icon
 231     invalidateIconCache();
 232     update();
 233 }
 234
 235 void KFileItemListWidget::hoverSequenceEnded()
 236 {
 237     KFileItemListView *view = listView();
 238
 239     if (!view) {
 240         return;
 241     }
 242
 243     view->setHoverSequenceState(QUrl(), 0);
 244 }
 245
 246 KFileItemListView *KFileItemListWidget::listView()
 247 {
 248     return dynamic_cast<KFileItemListView *>(parentItem());
 249 }
 250
 251 #include "moc_kfileitemlistwidget.cpp"