+/*****************************************************************************
+ * Copyright (C) 2009 by Peter Penz <peter.penz@gmx.at> *
+ * *
+ * This library is free software; you can redistribute it and/or *
+ * modify it under the terms of the GNU Library General Public *
+ * License version 2 as published by the Free Software Foundation. *
+ * *
+ * 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 *
+ * Library General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU Library General Public License *
+ * along with this library; see the file COPYING.LIB. If not, write to *
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, *
+ * Boston, MA 02110-1301, USA. *
+ *****************************************************************************/
+
+#include "kloadmetadatathread_p.h"
+
+#include <kconfig.h>
+#include <kconfiggroup.h>
+
+#include <nepomuk/variant.h>
+
+KLoadMetaDataThread::KLoadMetaDataThread() :
+ m_rating(0),
+ m_comment(),
+ m_tags(),
+ m_metaInfoLabels(),
+ m_metaInfoValues(),
+ m_files(),
+ m_urls(),
+ m_canceled(false)
+{
+}
+
+KLoadMetaDataThread::~KLoadMetaDataThread()
+{
+}
+
+void KLoadMetaDataThread::load(const KUrl::List& urls)
+{
+ m_urls = urls;
+ m_canceled = false;
+ start();
+}
+
+void KLoadMetaDataThread::cancelAndDelete()
+{
+ connect(this, SIGNAL(finished()), this, SLOT(slotFinished()));
+ m_canceled = true;
+ // Setting m_canceled to true will cancel KLoadMetaDataThread::run()
+ // as soon as possible. Afterwards the thread will delete itself
+ // asynchronously inside slotFinished().
+}
+
+void KLoadMetaDataThread::run()
+{
+ KConfig config("kmetainformationrc", KConfig::NoGlobals);
+ KConfigGroup settings = config.group("Show");
+
+ bool first = true;
+ unsigned int rating = 0;
+ foreach (const KUrl& url, m_urls) {
+ if (m_canceled) {
+ return;
+ }
+
+ Nepomuk::Resource file(url);
+ m_files.insert(url, file);
+
+ if (!first && (rating != file.rating())) {
+ rating = 0; // reset rating
+ } else if (first) {
+ rating = file.rating();
+ }
+
+ if (!first && (m_comment != file.description())) {
+ m_comment.clear(); // reset comment
+ } else if (first) {
+ m_comment = file.description();
+ }
+
+ if (!first && (m_tags != file.tags())) {
+ m_tags.clear(); // reset tags
+ } else if (first) {
+ m_tags = file.tags();
+ }
+
+ if (first && (m_urls.count() == 1)) {
+ // TODO: show shared meta information instead
+ // of not showing anything on multiple selections
+ QHash<QUrl, Nepomuk::Variant> properties = file.properties();
+ QHash<QUrl, Nepomuk::Variant>::const_iterator it = properties.constBegin();
+ while (it != properties.constEnd()) {
+ Nepomuk::Types::Property prop(it.key());
+ if (settings.readEntry(prop.name(), true)) {
+ // TODO #1: use Nepomuk::formatValue(res, prop) if available
+ // instead of it.value().toString()
+ // TODO #2: using tunedLabel() is a workaround for KDE 4.3 (4.4?) until
+ // we get translated labels
+ m_metaInfoLabels.append(tunedLabel(prop.label()));
+ m_metaInfoValues.append(it.value().toString());
+ }
+ ++it;
+ }
+ }
+
+ first = false;
+ }
+}
+
+int KLoadMetaDataThread::rating() const
+{
+ return m_rating;
+}
+
+QString KLoadMetaDataThread::comment() const
+{
+ return m_comment;
+}
+
+QList<Nepomuk::Tag> KLoadMetaDataThread::tags() const
+{
+ return m_tags;
+}
+
+QList<QString> KLoadMetaDataThread::metaInfoLabels() const
+{
+ return m_metaInfoLabels;
+}
+
+QList<QString> KLoadMetaDataThread::metaInfoValues() const
+{
+ return m_metaInfoValues;
+}
+
+QMap<KUrl, Nepomuk::Resource> KLoadMetaDataThread::files() const
+{
+ return m_files;
+}
+
+void KLoadMetaDataThread::slotFinished()
+{
+ deleteLater();
+}
+
+QString KLoadMetaDataThread::tunedLabel(const QString& label) const
+{
+ QString tunedLabel;
+ const int labelLength = label.length();
+ if (labelLength > 0) {
+ tunedLabel.reserve(labelLength);
+ tunedLabel = label[0].toUpper();
+ for (int i = 1; i < labelLength; ++i) {
+ if (label[i].isUpper() && !label[i - 1].isSpace() && !label[i - 1].isUpper()) {
+ tunedLabel += ' ';
+ tunedLabel += label[i].toLower();
+ } else {
+ tunedLabel += label[i];
+ }
+ }
+ }
+ return tunedLabel + ':';
+}
+
+#include "kloadmetadatathread_p.moc"
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