/***************************************************************************
- * Copyright (C) 2006 by Peter Penz <peter.penz@gmx.at> *
+ * Copyright (C) 2006-2009 by Peter Penz <peter.penz19@gmail.com> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
#include "informationpanel.h"
-#include <config-nepomuk.h>
-
-#include <kdialog.h>
-#include <kdirnotify.h>
-#include <kfileplacesmodel.h>
-#include <klocale.h>
-#include <kstandarddirs.h>
-#include <kio/previewjob.h>
-#include <kfileitem.h>
-#include <kglobalsettings.h>
-#include <kfilemetainfo.h>
-#include <kiconeffect.h>
-#include <kseparator.h>
-#include <kiconloader.h>
-
-#ifdef HAVE_NEPOMUK
-#include <Nepomuk/Resource>
-#include <Nepomuk/Types/Property>
-#include <Nepomuk/Variant>
-#endif
-
-#include <Phonon/BackendCapabilities>
-#include <Phonon/MediaObject>
-#include <Phonon/SeekSlider>
-
-#include <QEvent>
-#include <QInputDialog>
-#include <QLabel>
-#include <QPainter>
-#include <QPixmap>
-#include <QResizeEvent>
-#include <QScrollArea>
-#include <QTextLayout>
-#include <QTextLine>
-#include <QTimer>
-#include <QScrollBar>
+#include "informationpanelcontent.h"
+#include <KIO/Job>
+#include <KIO/JobUiDelegate>
+#include <KJobWidgets>
+#include <KDirNotify>
+#include <QApplication>
+#include <QShowEvent>
#include <QVBoxLayout>
-
-#include "settings/dolphinsettings.h"
-#include "metadatawidget.h"
-#include "metatextlabel.h"
-#include "phononwidget.h"
-#include "pixmapviewer.h"
+#include <QTimer>
InformationPanel::InformationPanel(QWidget* parent) :
Panel(parent),
m_initialized(false),
- m_pendingPreview(false),
m_infoTimer(0),
- m_outdatedPreviewTimer(0),
+ m_urlChangedTimer(0),
+ m_resetUrlTimer(0),
m_shownUrl(),
m_urlCandidate(),
+ m_invalidUrlCandidate(),
m_fileItem(),
m_selection(),
- m_nameLabel(0),
- m_preview(0),
- m_phononWidget(0),
- m_metaDataWidget(0),
- m_metaTextArea(0),
- m_metaTextLabel(0)
+ m_folderStatJob(0),
+ m_content(0)
{
}
{
}
-QSize InformationPanel::sizeHint() const
-{
- QSize size = Panel::sizeHint();
- size.setWidth(minimumSizeHint().width());
- return size;
-}
-
-void InformationPanel::setUrl(const KUrl& url)
-{
- Panel::setUrl(url);
- if (url.isValid() && !isEqualToShownUrl(url)) {
- if (isVisible()) {
- cancelRequest();
- m_shownUrl = url;
- showItemInfo();
- } else {
- m_shownUrl = url;
- }
- }
-}
-
void InformationPanel::setSelection(const KFileItemList& selection)
{
- if (!isVisible()) {
- return;
- }
+ m_selection = selection;
+ m_fileItem = KFileItem();
- if ((selection.count() == 0) && (m_selection.count() == 0)) {
- // The selection has not really changed, only the current index.
- // QItemSelectionModel emits a signal in this case and it is less
- // expensive doing the check this way instead of patching
- // DolphinView::emitSelectionChanged().
+ if (!isVisible()) {
return;
}
- m_selection = selection;
-
const int count = selection.count();
if (count == 0) {
if (!isEqualToShownUrl(url())) {
void InformationPanel::requestDelayedItemInfo(const KFileItem& item)
{
- if (!isVisible()) {
+ if (!isVisible() || (item.isNull() && m_fileItem.isNull())) {
+ return;
+ }
+
+ if (QApplication::mouseButtons() & Qt::LeftButton) {
+ // Ignore the request of an item information when a rubberband
+ // selection is ongoing.
return;
}
cancelRequest();
- m_fileItem = KFileItem();
if (item.isNull()) {
// The cursor is above the viewport. If files are selected,
// show information regarding the selection.
if (m_selection.size() > 0) {
- m_pendingPreview = false;
- m_infoTimer->start();
- }
- } else {
- const KUrl url = item.url();
- if (url.isValid() && !isEqualToShownUrl(url)) {
- m_urlCandidate = item.url();
- m_fileItem = item;
+ m_fileItem = KFileItem();
m_infoTimer->start();
}
+ } else if (item.url().isValid() && !isEqualToShownUrl(item.url())) {
+ // The cursor is above an item that is not shown currently
+ m_urlCandidate = item.url();
+ m_fileItem = item;
+ m_infoTimer->start();
}
}
+bool InformationPanel::urlChanged()
+{
+ if (!url().isValid()) {
+ return false;
+ }
+
+ if (!isVisible()) {
+ return true;
+ }
+
+ cancelRequest();
+ m_selection.clear();
+
+ if (!isEqualToShownUrl(url())) {
+ m_shownUrl = url();
+ m_fileItem = KFileItem();
+
+ // Update the content with a delay. This gives
+ // the directory lister the chance to show the content
+ // before expensive operations are done to show
+ // meta information.
+ m_urlChangedTimer->start();
+ }
+
+ return true;
+}
+
void InformationPanel::showEvent(QShowEvent* event)
{
Panel::showEvent(event);
// Information Panel
init();
}
+
+ m_shownUrl = url();
showItemInfo();
}
}
void InformationPanel::resizeEvent(QResizeEvent* event)
{
if (isVisible()) {
- // If the text inside the name label or the info label cannot
- // get wrapped, then the maximum width of the label is increased
- // so that the width of the information panel gets increased.
- // To prevent this, the maximum width is adjusted to
- // the current width of the panel.
- const int maxWidth = event->size().width() - KDialog::spacingHint() * 4;
- m_nameLabel->setMaximumWidth(maxWidth);
-
- // try to increase the preview as large as possible
- m_preview->setSizeHint(QSize(maxWidth, maxWidth));
- m_urlCandidate = m_shownUrl; // reset the URL candidate if a resizing is done
+ m_urlCandidate = m_shownUrl;
m_infoTimer->start();
}
Panel::resizeEvent(event);
}
-#include <kdebug.h>
-bool InformationPanel::eventFilter(QObject* obj, QEvent* event)
+void InformationPanel::contextMenuEvent(QContextMenuEvent* event)
{
- // Check whether the size of the meta text area has changed and adjust
- // the fixed width in a way that no horizontal scrollbar needs to be shown.
- if ((obj == m_metaTextArea->viewport()) && (event->type() == QEvent::Resize)) {
- QResizeEvent* resizeEvent = static_cast<QResizeEvent*>(event);
- m_metaTextLabel->setFixedWidth(resizeEvent->size().width());
- }
- return Panel::eventFilter(obj, event);
+ // TODO: Move code from InformationPanelContent::configureSettings() here
+ m_content->configureSettings(customContextMenuActions());
+ Panel::contextMenuEvent(event);
}
void InformationPanel::showItemInfo()
cancelRequest();
- if (showMultipleSelectionInfo()) {
- KIconLoader iconLoader;
- QPixmap icon = iconLoader.loadIcon("dialog-information",
- KIconLoader::NoGroup,
- KIconLoader::SizeEnormous);
- m_preview->setPixmap(icon);
- setNameLabelText(i18ncp("@info", "%1 item selected", "%1 items selected", m_selection.count()));
- m_shownUrl = KUrl();
+ if (m_fileItem.isNull() && (m_selection.count() > 1)) {
+ // The information for a selection of items should be shown
+ m_content->showItems(m_selection);
} else {
- const KFileItem item = fileItem();
- const KUrl itemUrl = item.url();
- if (!applyPlace(itemUrl)) {
- // try to get a preview pixmap from the item...
- m_pendingPreview = true;
-
- // Mark the currently shown preview as outdated. This is done
- // with a small delay to prevent a flickering when the next preview
- // can be shown within a short timeframe.
- m_outdatedPreviewTimer->start();
-
- KIO::PreviewJob* job = KIO::filePreview(KFileItemList() << item,
- m_preview->width(),
- m_preview->height(),
- 0,
- 0,
- false,
- true);
-
- connect(job, SIGNAL(gotPreview(const KFileItem&, const QPixmap&)),
- this, SLOT(showPreview(const KFileItem&, const QPixmap&)));
- connect(job, SIGNAL(failed(const KFileItem&)),
- this, SLOT(showIcon(const KFileItem&)));
-
- setNameLabelText(itemUrl.fileName());
+ // The information for exactly one item should be shown
+ KFileItem item;
+ if (!m_fileItem.isNull()) {
+ item = m_fileItem;
+ } else if (!m_selection.isEmpty()) {
+ Q_ASSERT(m_selection.count() == 1);
+ item = m_selection.first();
+ }
+
+ if (item.isNull()) {
+ // No item is hovered and no selection has been done: provide
+ // an item for the currently shown directory.
+ m_folderStatJob = KIO::stat(url(), KIO::HideProgressInfo);
+ if (m_folderStatJob->ui()) {
+ KJobWidgets::setWindow(m_folderStatJob, this);
+ }
+ connect(m_folderStatJob, &KIO::Job::result,
+ this, &InformationPanel::slotFolderStatFinished);
+ } else {
+ m_content->showItem(item);
}
}
+}
- showMetaInfo();
+void InformationPanel::slotFolderStatFinished(KJob* job)
+{
+ m_folderStatJob = 0;
+ const KIO::UDSEntry entry = static_cast<KIO::StatJob*>(job)->statResult();
+ m_content->showItem(KFileItem(entry, m_shownUrl));
}
void InformationPanel::slotInfoTimeout()
{
m_shownUrl = m_urlCandidate;
+ m_urlCandidate.clear();
showItemInfo();
}
-void InformationPanel::markOutdatedPreview()
+void InformationPanel::reset()
{
- KIconEffect iconEffect;
- QPixmap disabledPixmap = iconEffect.apply(m_preview->pixmap(),
- KIconLoader::Desktop,
- KIconLoader::DisabledState);
- m_preview->setPixmap(disabledPixmap);
-}
+ if (m_invalidUrlCandidate == m_shownUrl) {
+ m_invalidUrlCandidate = KUrl();
-void InformationPanel::showIcon(const KFileItem& item)
-{
- m_outdatedPreviewTimer->stop();
- m_pendingPreview = false;
- if (!applyPlace(item.url())) {
- m_preview->setPixmap(item.pixmap(KIconLoader::SizeEnormous));
- }
-}
-
-void InformationPanel::showPreview(const KFileItem& item,
- const QPixmap& pixmap)
-{
- m_outdatedPreviewTimer->stop();
-
- Q_UNUSED(item);
- if (m_pendingPreview) {
- m_preview->setPixmap(pixmap);
- m_pendingPreview = false;
+ // The current URL is still invalid. Reset
+ // the content to show the directory URL.
+ m_selection.clear();
+ m_shownUrl = url();
+ m_fileItem = KFileItem();
+ showItemInfo();
}
}
void InformationPanel::slotFileRenamed(const QString& source, const QString& dest)
{
if (m_shownUrl == KUrl(source)) {
- // the currently shown file has been renamed, hence update the item information
- // for the renamed file
- KFileItem item(KFileItem::Unknown, KFileItem::Unknown, KUrl(dest));
- requestDelayedItemInfo(item);
+ m_shownUrl = KUrl(dest);
+ m_fileItem = KFileItem(KFileItem::Unknown, KFileItem::Unknown, m_shownUrl);
+
+ if ((m_selection.count() == 1) && (m_selection[0].url() == KUrl(source))) {
+ m_selection[0] = m_fileItem;
+ // Implementation note: Updating the selection is only required if exactly one
+ // item is selected, as the name of the item is shown. If this should change
+ // in future: Before parsing the whole selection take care to test possible
+ // performance bottlenecks when renaming several hundreds of files.
+ }
+
+ showItemInfo();
}
}
if (m_shownUrl == KUrl(fileName)) {
// the currently shown item has been removed, show
// the parent directory as fallback
- m_shownUrl = url();
- showItemInfo();
+ markUrlAsInvalid();
break;
}
}
// has been unmounted. In this case no directory change will be
// done in Dolphin, but the Information Panel must be updated to
// indicate an invalid directory.
- m_shownUrl = url();
- showItemInfo();
+ markUrlAsInvalid();
}
}
-bool InformationPanel::applyPlace(const KUrl& url)
-{
- KFilePlacesModel* placesModel = DolphinSettings::instance().placesModel();
- int count = placesModel->rowCount();
-
- for (int i = 0; i < count; ++i) {
- QModelIndex index = placesModel->index(i, 0);
-
- if (url.equals(placesModel->url(index), KUrl::CompareWithoutTrailingSlash)) {
- setNameLabelText(placesModel->text(index));
- m_preview->setPixmap(placesModel->icon(index).pixmap(128, 128));
- return true;
- }
- }
-
- return false;
-}
-
void InformationPanel::cancelRequest()
{
- m_infoTimer->stop();
-}
-
-void InformationPanel::showMetaInfo()
-{
- m_metaTextLabel->clear();
-
- if (showMultipleSelectionInfo()) {
- if (m_metaDataWidget != 0) {
- KUrl::List urls;
- foreach (const KFileItem& item, m_selection) {
- urls.append(item.targetUrl());
- }
- m_metaDataWidget->setFiles(urls);
- }
-
- quint64 totalSize = 0;
- foreach (const KFileItem& item, m_selection) {
- // Only count the size of files, not dirs to match what
- // DolphinViewContainer::selectionStatusBarText() does.
- if (!item.isDir() && !item.isLink()) {
- totalSize += item.size();
- }
- }
- m_metaTextLabel->add(i18nc("@label", "Total size:"), KIO::convertSize(totalSize));
- } else {
- const KFileItem item = fileItem();
- if (item.isDir()) {
- m_metaTextLabel->add(i18nc("@label", "Type:"), i18nc("@label", "Folder"));
- m_metaTextLabel->add(i18nc("@label", "Modified:"), item.timeString());
- } else {
- m_metaTextLabel->add(i18nc("@label", "Type:"), item.mimeComment());
-
- m_metaTextLabel->add(i18nc("@label", "Size:"), KIO::convertSize(item.size()));
- m_metaTextLabel->add(i18nc("@label", "Modified:"), item.timeString());
-
-#ifdef HAVE_NEPOMUK
- Nepomuk::Resource res(item.url());
-
- QHash<QUrl, Nepomuk::Variant> properties = res.properties();
- QHash<QUrl, Nepomuk::Variant>::const_iterator it = properties.constBegin();
- while (it != properties.constEnd()) {
- Nepomuk::Types::Property prop(it.key());
- // TODO: use Nepomuk::formatValue(res, prop) if available
- // instead of it.value().toString()
- m_metaTextLabel->add(prop.label(), it.value().toString());
- ++it;
- }
-#endif
- }
-
- if (m_metaDataWidget != 0) {
- m_metaDataWidget->setFile(item.targetUrl());
- }
-
- if (Phonon::BackendCapabilities::isMimeTypeAvailable(item.mimetype())) {
- if (m_phononWidget == 0) {
- m_phononWidget = new PhononWidget(this);
-
- QVBoxLayout* vBoxLayout = qobject_cast<QVBoxLayout*>(layout());
- Q_ASSERT(vBoxLayout != 0);
- vBoxLayout->insertWidget(3, m_phononWidget);
- }
- m_phononWidget->setUrl(item.url());
- } else {
- delete m_phononWidget;
- m_phononWidget = 0;
- }
- }
-}
-
-KFileItem InformationPanel::fileItem() const
-{
- if (!m_fileItem.isNull()) {
- return m_fileItem;
- }
-
- if (!m_selection.isEmpty()) {
- Q_ASSERT(m_selection.count() == 1);
- return m_selection.first();
- }
+ delete m_folderStatJob;
+ m_folderStatJob = 0;
- // no item is hovered and no selection has been done: provide
- // an item for the directory represented by m_shownUrl
- KFileItem item(KFileItem::Unknown, KFileItem::Unknown, m_shownUrl);
- item.refresh();
- return item;
-}
+ m_infoTimer->stop();
+ m_resetUrlTimer->stop();
+ // Don't reset m_urlChangedTimer. As it is assured that the timeout of m_urlChangedTimer
+ // has the smallest interval (see init()), it is not possible that the exceeded timer
+ // would overwrite an information provided by a selection or hovering.
-bool InformationPanel::showMultipleSelectionInfo() const
-{
- return m_fileItem.isNull() && (m_selection.count() > 1);
+ m_invalidUrlCandidate.clear();
+ m_urlCandidate.clear();
}
bool InformationPanel::isEqualToShownUrl(const KUrl& url) const
return m_shownUrl.equals(url, KUrl::CompareWithoutTrailingSlash);
}
-void InformationPanel::setNameLabelText(const QString& text)
+void InformationPanel::markUrlAsInvalid()
{
- QTextOption textOption;
- textOption.setWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere);
-
- QTextLayout textLayout(text);
- textLayout.setFont(m_nameLabel->font());
- textLayout.setTextOption(textOption);
-
- QString wrappedText;
- wrappedText.reserve(text.length());
-
- // wrap the text to fit into the width of m_nameLabel
- textLayout.beginLayout();
- QTextLine line = textLayout.createLine();
- while (line.isValid()) {
- line.setLineWidth(m_nameLabel->width());
- wrappedText += text.mid(line.textStart(), line.textLength());
-
- line = textLayout.createLine();
- if (line.isValid()) {
- wrappedText += QChar::LineSeparator;
- }
- }
- textLayout.endLayout();
-
- m_nameLabel->setText(wrappedText);
+ m_invalidUrlCandidate = m_shownUrl;
+ m_resetUrlTimer->start();
}
void InformationPanel::init()
{
- const int spacing = KDialog::spacingHint();
-
m_infoTimer = new QTimer(this);
m_infoTimer->setInterval(300);
m_infoTimer->setSingleShot(true);
- connect(m_infoTimer, SIGNAL(timeout()),
- this, SLOT(slotInfoTimeout()));
-
- // Initialize timer for disabling an outdated preview with a small
- // delay. This prevents flickering if the new preview can be generated
- // within a very small timeframe.
- m_outdatedPreviewTimer = new QTimer(this);
- m_outdatedPreviewTimer->setInterval(300);
- m_outdatedPreviewTimer->setSingleShot(true);
- connect(m_outdatedPreviewTimer, SIGNAL(timeout()),
- this, SLOT(markOutdatedPreview()));
-
- QVBoxLayout* layout = new QVBoxLayout;
- layout->setSpacing(spacing);
-
- // name
- m_nameLabel = new QLabel(this);
- QFont font = m_nameLabel->font();
- font.setBold(true);
- m_nameLabel->setFont(font);
- m_nameLabel->setAlignment(Qt::AlignHCenter);
- m_nameLabel->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
-
- // preview
- m_preview = new PixmapViewer(this);
- m_preview->setMinimumWidth(KIconLoader::SizeEnormous + KIconLoader::SizeMedium);
- m_preview->setMinimumHeight(KIconLoader::SizeEnormous);
-
- if (MetaDataWidget::metaDataAvailable()) {
- // rating, comment and tags
- m_metaDataWidget = new MetaDataWidget(this);
- m_metaDataWidget->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
- }
+ connect(m_infoTimer, &QTimer::timeout,
+ this, &InformationPanel::slotInfoTimeout);
- // general meta text information
- m_metaTextLabel = new MetaTextLabel(this);
- m_metaTextLabel->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
-
- m_metaTextArea = new QScrollArea(this);
- m_metaTextArea->setWidget(m_metaTextLabel);
- m_metaTextArea->setWidgetResizable(true);
- m_metaTextArea->setFrameShape(QFrame::NoFrame);
-
- QWidget* viewport = m_metaTextArea->viewport();
- viewport->installEventFilter(this);
-
- QPalette palette = viewport->palette();
- palette.setColor(viewport->backgroundRole(), QColor(Qt::transparent));
- viewport->setPalette(palette);
-
- layout->addWidget(m_nameLabel);
- layout->addWidget(new KSeparator(this));
- layout->addWidget(m_preview);
- layout->addWidget(new KSeparator(this));
- if (m_metaDataWidget != 0) {
- layout->addWidget(m_metaDataWidget);
- layout->addWidget(new KSeparator(this));
- }
- layout->addWidget(m_metaTextArea);
- setLayout(layout);
+ m_urlChangedTimer = new QTimer(this);
+ m_urlChangedTimer->setInterval(200);
+ m_urlChangedTimer->setSingleShot(true);
+ connect(m_urlChangedTimer, &QTimer::timeout,
+ this, &InformationPanel::showItemInfo);
+
+ m_resetUrlTimer = new QTimer(this);
+ m_resetUrlTimer->setInterval(1000);
+ m_resetUrlTimer->setSingleShot(true);
+ connect(m_resetUrlTimer, &QTimer::timeout,
+ this, &InformationPanel::reset);
+
+ Q_ASSERT(m_urlChangedTimer->interval() < m_infoTimer->interval());
+ Q_ASSERT(m_urlChangedTimer->interval() < m_resetUrlTimer->interval());
org::kde::KDirNotify* dirNotify = new org::kde::KDirNotify(QString(), QString(),
QDBusConnection::sessionBus(), this);
- connect(dirNotify, SIGNAL(FileRenamed(QString, QString)), SLOT(slotFileRenamed(QString, QString)));
- connect(dirNotify, SIGNAL(FilesAdded(QString)), SLOT(slotFilesAdded(QString)));
- connect(dirNotify, SIGNAL(FilesChanged(QStringList)), SLOT(slotFilesChanged(QStringList)));
- connect(dirNotify, SIGNAL(FilesRemoved(QStringList)), SLOT(slotFilesRemoved(QStringList)));
- connect(dirNotify, SIGNAL(enteredDirectory(QString)), SLOT(slotEnteredDirectory(QString)));
- connect(dirNotify, SIGNAL(leftDirectory(QString)), SLOT(slotLeftDirectory(QString)));
+ connect(dirNotify, &OrgKdeKDirNotifyInterface::FileRenamed, this, &InformationPanel::slotFileRenamed);
+ connect(dirNotify, &OrgKdeKDirNotifyInterface::FilesAdded, this, &InformationPanel::slotFilesAdded);
+ connect(dirNotify, &OrgKdeKDirNotifyInterface::FilesChanged, this, &InformationPanel::slotFilesChanged);
+ connect(dirNotify, &OrgKdeKDirNotifyInterface::FilesRemoved, this, &InformationPanel::slotFilesRemoved);
+ connect(dirNotify, &OrgKdeKDirNotifyInterface::enteredDirectory, this, &InformationPanel::slotEnteredDirectory);
+ connect(dirNotify, &OrgKdeKDirNotifyInterface::leftDirectory, this, &InformationPanel::slotLeftDirectory);
+
+ m_content = new InformationPanelContent(this);
+ connect(m_content, &InformationPanelContent::urlActivated, this, &InformationPanel::urlActivated);
+
+ QVBoxLayout* layout = new QVBoxLayout(this);
+ layout->setContentsMargins(0, 0, 0, 0);
+ layout->addWidget(m_content);
m_initialized = true;
}
projects / dolphin.git / blobdiff