diff --git a/src/filemetadatawidget.cpp b/src/filemetadatawidget.cpp index 8df7d56..d70aefc 100644 --- a/src/filemetadatawidget.cpp +++ b/src/filemetadatawidget.cpp @@ -1,401 +1,409 @@ /* Copyright (C) 2012-2013 Vishesh Handa Adapted from KFileMetadataWidget Copyright (C) 2008 by Sebastian Trueg Copyright (C) 2009-2010 by Peter Penz This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include "filemetadatawidget.h" #include "metadatafilter.h" #include "widgetfactory.h" #include "filemetadataprovider.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace Baloo; class Baloo::FileMetaDataWidget::Private { public: struct Row { QCheckBox* checkBox; QLabel* label; QWidget* value; }; Private(FileMetaDataWidget* parent); ~Private(); void deleteRows(); void slotLoadingFinished(); void slotLinkActivated(const QString& link); void slotDataChangeStarted(); void slotDataChangeFinished(); QStringList sortedKeys(const QVariantMap& data) const; QLabel* createLabel(const QString &key, const QString& itemLabel, FileMetaDataWidget* parent); void saveConfig(); QList m_rows; FileMetaDataProvider* m_provider; QGridLayout* m_gridLayout; MetadataFilter* m_filter; WidgetFactory* m_widgetFactory; QMap m_visibilityChanged; bool m_configureVisibleProperties = false; private: FileMetaDataWidget* const q; }; FileMetaDataWidget::Private::Private(FileMetaDataWidget* parent) : m_rows() , m_provider(nullptr) , m_gridLayout(nullptr) , q(parent) { m_filter = new MetadataFilter(q); m_widgetFactory = new WidgetFactory(q); connect(m_widgetFactory, &WidgetFactory::urlActivated, q, &FileMetaDataWidget::urlActivated); // TODO: If KFileMetaDataProvider might get a public class in future KDE releases, // the following code should be moved into KFileMetaDataWidget::setModel(): m_provider = new FileMetaDataProvider(q); connect(m_provider, SIGNAL(loadingFinished()), q, SLOT(slotLoadingFinished())); } FileMetaDataWidget::Private::~Private() { } void FileMetaDataWidget::Private::deleteRows() { foreach (const Row& row, m_rows) { delete row.label; row.value->deleteLater(); if (row.checkBox) { row.checkBox->deleteLater(); } } m_rows.clear(); } QLabel* FileMetaDataWidget::Private::createLabel(const QString &key, const QString& itemLabel, FileMetaDataWidget* parent) { QLabel* label = new QLabel(itemLabel + QLatin1Char(':'), parent); label->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Preferred); label->setForegroundRole(parent->foregroundRole()); label->setFont(parent->font()); label->setWordWrap(true); label->setAlignment(Qt::AlignTop | Qt::AlignRight); label->setObjectName(QStringLiteral("L_%1").arg(key)); return label; } void FileMetaDataWidget::Private::slotLoadingFinished() { deleteRows(); if (m_gridLayout == nullptr) { m_gridLayout = new QGridLayout(q); m_gridLayout->setContentsMargins(0, 0, 0, 0); m_gridLayout->setSpacing(q->fontMetrics().height() / 4); } QVariantMap data = m_provider->data(); QStringList active; if (m_configureVisibleProperties) { active = m_filter->filter(data).keys(); auto changedIt = m_visibilityChanged.constBegin(); while (changedIt != m_visibilityChanged.constEnd()) { if (changedIt.value()) { active.append(changedIt.key()); } else { active.removeAll(changedIt.key()); } changedIt++; } m_widgetFactory->setNoLinks(true); m_widgetFactory->setReadOnly(true); m_gridLayout->setColumnStretch(0, 1); m_gridLayout->setColumnStretch(1, 3); m_gridLayout->setColumnStretch(2, 0); m_gridLayout->setColumnStretch(3, 6); } else { data = m_filter->filter(data); m_widgetFactory->setNoLinks( m_provider->realTimeIndexing() ); m_gridLayout->setColumnStretch(0, 4); m_gridLayout->setColumnStretch(1, 0); m_gridLayout->setColumnStretch(2, 6); m_gridLayout->setColumnStretch(3, 0); } int rowIndex = 0; // Iterate through all remaining items. // Embed the label and the value as new row in the widget const QStringList keys = sortedKeys(data); const int spacerWidth = QFontMetrics(q->font()).size(Qt::TextSingleLine, " ").width(); const int labelColumn = m_configureVisibleProperties ? 1 : 0; for (const auto key: keys) { Row row; if (m_configureVisibleProperties) { row.checkBox = new QCheckBox(q); if (active.contains(key)) { row.checkBox->setChecked(true); } m_gridLayout->addWidget(row.checkBox, rowIndex, 0, Qt::AlignTop | Qt::AlignRight); connect(row.checkBox, &QCheckBox::stateChanged, q, [this, key](int state) { this->m_visibilityChanged[key] = (state == Qt::Checked); }); } else { row.checkBox = nullptr; } row.label = createLabel(key, m_provider->label(key), q); m_gridLayout->addWidget(row.label, rowIndex, labelColumn + 0, Qt::AlignRight); m_gridLayout->addItem(new QSpacerItem(spacerWidth, 1), rowIndex, labelColumn + 1); row.value = m_widgetFactory->createWidget(key, data[key], q); m_gridLayout->addWidget(row.value, rowIndex, labelColumn + 2, Qt::AlignLeft); + m_gridLayout->setRowStretch(rowIndex, 0); + // Remember the label and value-widget as row m_rows.append(row); ++rowIndex; } + // Add vertical stretch - when the widget is embedded with extra vertical + // space, it should be added at the bottom, not distributed between the + // items. + m_gridLayout->addItem(new QSpacerItem(0, 0), rowIndex, 0, 1, -1); + m_gridLayout->setRowStretch(rowIndex, 1); + q->updateGeometry(); emit q->metaDataRequestFinished(m_provider->items()); } void FileMetaDataWidget::Private::slotLinkActivated(const QString& link) { const QUrl url = QUrl::fromUserInput(link); if (url.isValid()) { emit q->urlActivated(url); } } void FileMetaDataWidget::Private::slotDataChangeStarted() { q->setEnabled(false); } void FileMetaDataWidget::Private::slotDataChangeFinished() { q->setEnabled(true); } QStringList FileMetaDataWidget::Private::sortedKeys(const QVariantMap& data) const { // Create a map, where the translated label prefixed with the // sort priority acts as key. The data of each entry is the URI // of the data. By this the all URIs are sorted by the sort priority // and sub sorted by the translated labels. QMap map; QVariantMap::const_iterator hashIt = data.constBegin(); while (hashIt != data.constEnd()) { const QString propName = hashIt.key(); QString key = m_provider->group(propName); key += m_provider->label(propName); map.insertMulti(key, propName); ++hashIt; } // Apply the URIs from the map to the list that will get returned. // The list will then be alphabetically ordered by the translated labels of the URIs. QStringList list; QMap::const_iterator mapIt = map.constBegin(); while (mapIt != map.constEnd()) { list.append(mapIt.value()); ++mapIt; } return list; } void FileMetaDataWidget::Private::saveConfig() { if (m_visibilityChanged.isEmpty()) { return; } KConfig config("baloofileinformationrc", KConfig::NoGlobals); KConfigGroup showGroup = config.group("Show"); auto changedIt = m_visibilityChanged.constBegin(); while (changedIt != m_visibilityChanged.constEnd()) { showGroup.writeEntry(changedIt.key(), changedIt.value()); changedIt++; } showGroup.sync(); } FileMetaDataWidget::FileMetaDataWidget(QWidget* parent) : QWidget(parent) , d(new Private(this)) { } FileMetaDataWidget::~FileMetaDataWidget() { delete d; } void FileMetaDataWidget::setItems(const KFileItemList& items) { KFileItemList localItemsList; QStringList list; bool xAttrSuppored = true; foreach(const KFileItem& item, items) { QUrl url = item.targetUrl(); if (url.isLocalFile()) { localItemsList << item; QString path = url.toLocalFile(); list << path; KFileMetaData::UserMetaData md(path); xAttrSuppored &= md.isSupported(); } } setReadOnly(!xAttrSuppored); d->m_provider->setItems(localItemsList); d->m_widgetFactory->setItems(list); setReadOnly(!xAttrSuppored); } KFileItemList FileMetaDataWidget::items() const { return d->m_provider->items(); } void FileMetaDataWidget::setReadOnly(bool readOnly) { d->m_provider->setReadOnly(readOnly); d->m_widgetFactory->setReadOnly(readOnly); } bool FileMetaDataWidget::isReadOnly() const { return d->m_provider->isReadOnly(); } void FileMetaDataWidget::setDateFormat(const DateFormats format) { d->m_widgetFactory->setDateFormat(format); } DateFormats FileMetaDataWidget::dateFormat() const { return d->m_widgetFactory->dateFormat(); } QSize FileMetaDataWidget::sizeHint() const { if (d->m_gridLayout == nullptr) { return QWidget::sizeHint(); } // Calculate the required width for the labels and values int leftWidthMax = 0; int rightWidthMax = 0; int rightWidthAverage = 0; foreach (const Private::Row& row, d->m_rows) { const QWidget* valueWidget = row.value; const int rightWidth = valueWidget->sizeHint().width(); rightWidthAverage += rightWidth; if (rightWidth > rightWidthMax) { rightWidthMax = rightWidth; } const int leftWidth = row.label->sizeHint().width(); if (leftWidth > leftWidthMax) { leftWidthMax = leftWidth; } } // Some value widgets might return a very huge width for the size hint. // Limit the maximum width to the double width of the overall average // to assure a less messed layout. if (d->m_rows.count() > 1) { rightWidthAverage /= d->m_rows.count(); if (rightWidthMax > rightWidthAverage * 2) { rightWidthMax = rightWidthAverage * 2; } } // Based on the available width calculate the required height int height = d->m_gridLayout->margin() * 2 + d->m_gridLayout->spacing() * (d->m_rows.count() - 1); foreach (const Private::Row& row, d->m_rows) { const QWidget* valueWidget = row.value; const int rowHeight = qMax(row.label->heightForWidth(leftWidthMax), valueWidget->heightForWidth(rightWidthMax)); height += rowHeight; } const int width = d->m_gridLayout->margin() * 2 + leftWidthMax + d->m_gridLayout->spacing() + rightWidthMax; return QSize(width, height); } void FileMetaDataWidget::setConfigurationMode(ConfigurationMode mode) { if (mode == ConfigurationMode::ReStart) { d->m_configureVisibleProperties = true; } else if (mode == ConfigurationMode::Accept) { d->saveConfig(); d->m_configureVisibleProperties = false; } else if (mode == ConfigurationMode::Cancel) { d->m_configureVisibleProperties = false; } d->m_visibilityChanged.clear(); d->slotLoadingFinished(); } #include "moc_filemetadatawidget.cpp"