-/***************************************************************************
- * Copyright (C) 2010 by Sebastian Trueg <trueg@kde.org> *
- * *
- * 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 *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
- * *
- * This program 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 General Public License for more details. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this program; if not, write to the *
- * Free Software Foundation, Inc., *
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
- ***************************************************************************/
-
-#include "filterpanel.h"
-
-#include "dolphin_searchsettings.h"
-
-#include <Nepomuk/ResourceManager>
-#include <Nepomuk/Utils/FacetWidget>
-#include <Nepomuk/Utils/Facet>
-#include <Nepomuk/Utils/SimpleFacet>
-#include <Nepomuk/Utils/ProxyFacet>
-#include <Nepomuk/Utils/DynamicResourceFacet>
-#include <Nepomuk/Query/FileQuery>
-#include <Nepomuk/Query/ResourceTypeTerm>
-#include <Nepomuk/Query/LiteralTerm>
-#include <Nepomuk/Query/ComparisonTerm>
-#include <Nepomuk/Vocabulary/NFO>
-#include <Nepomuk/Vocabulary/NMM>
-#include <Nepomuk/Vocabulary/NIE>
-
-#include <search/dolphinsearchinformation.h>
-
-#include <KFileItem>
-#include <KIO/JobClasses>
-#include <KIO/Job>
-#include <KMenu>
-
-#include <QPushButton>
-#include <QShowEvent>
-#include <QTreeView>
-#include <QVBoxLayout>
-
-FilterPanel::FilterPanel(QWidget* parent) :
- Panel(parent),
- m_initialized(false),
- m_lastSetUrlStatJob(0),
- m_startedFromDir(),
- m_facetWidget(0),
- m_unfacetedRestQuery()
-{
- setEnabled(false);
-}
-
-FilterPanel::~FilterPanel()
-{
-}
-
-bool FilterPanel::urlChanged()
-{
- if (!url().protocol().startsWith(QLatin1String("nepomuk"))) {
- // Remember the current directory before a searching is started.
- // This is required to restore the directory in case that all facets
- // have been reset by the user (see slotQueryTermChanged()).
- m_startedFromDir = url();
- }
-
- if (isVisible() && DolphinSearchInformation::instance().isIndexingEnabled()) {
- setQuery(Nepomuk::Query::Query());
-
- delete m_lastSetUrlStatJob;
-
- m_lastSetUrlStatJob = KIO::stat(url(), KIO::HideProgressInfo);
- connect(m_lastSetUrlStatJob, SIGNAL(result(KJob*)),
- this, SLOT(slotSetUrlStatFinished(KJob*)));
- }
-
- return true;
-}
-
-void FilterPanel::showEvent(QShowEvent* event)
-{
- if (event->spontaneous()) {
- Panel::showEvent(event);
- return;
- }
-
- if (!m_initialized) {
- QVBoxLayout* layout = new QVBoxLayout(this);
- layout->setMargin(0);
-
- Q_ASSERT(!m_facetWidget);
- m_facetWidget = new Nepomuk::Utils::FacetWidget(this);
- layout->addWidget(m_facetWidget, 1);
-
- // File Type
- m_facetWidget->addFacet(Nepomuk::Utils::Facet::createFileTypeFacet());
-
- // Image Size
- Nepomuk::Utils::ProxyFacet* imageSizeProxy = new Nepomuk::Utils::ProxyFacet();
- imageSizeProxy->setFacetCondition(Nepomuk::Query::ResourceTypeTerm(Nepomuk::Vocabulary::NFO::Image()));
- Nepomuk::Utils::SimpleFacet* imageSizeFacet = new Nepomuk::Utils::SimpleFacet(imageSizeProxy);
- imageSizeFacet->setSelectionMode(Nepomuk::Utils::Facet::MatchAny);
- imageSizeFacet->addTerm( i18nc("option:check Refers to a filter on image size", "Small"),
- Nepomuk::Vocabulary::NFO::width() <= Nepomuk::Query::LiteralTerm(300));
- imageSizeFacet->addTerm( i18nc("option:check Refers to a filter on image size", "Medium"),
- (Nepomuk::Vocabulary::NFO::width() > Nepomuk::Query::LiteralTerm(300)) &&
- (Nepomuk::Vocabulary::NFO::width() <= Nepomuk::Query::LiteralTerm(800)));
- imageSizeFacet->addTerm( i18nc("option:check Refers to a filter on image size", "Large"),
- Nepomuk::Vocabulary::NFO::width() > Nepomuk::Query::LiteralTerm(800));
- imageSizeProxy->setSourceFacet(imageSizeFacet);
- m_facetWidget->addFacet(imageSizeProxy);
-
- // Artists
- Nepomuk::Utils::ProxyFacet* artistProxy = new Nepomuk::Utils::ProxyFacet();
- artistProxy->setFacetCondition(Nepomuk::Query::ResourceTypeTerm(Nepomuk::Vocabulary::NFO::Audio()) ||
- Nepomuk::Query::ComparisonTerm(Nepomuk::Vocabulary::NIE::mimeType(),
- Nepomuk::Query::LiteralTerm(QLatin1String("audio"))));
- Nepomuk::Utils::DynamicResourceFacet* artistFacet = new Nepomuk::Utils::DynamicResourceFacet(artistProxy);
- artistFacet->setSelectionMode(Nepomuk::Utils::Facet::MatchAny);
- artistFacet->setRelation(Nepomuk::Vocabulary::NMM::performer());
- artistProxy->setSourceFacet(artistFacet);
- m_facetWidget->addFacet(artistProxy);
-
- // Misc
- m_facetWidget->addFacet(Nepomuk::Utils::Facet::createDateFacet());
- m_facetWidget->addFacet(Nepomuk::Utils::Facet::createRatingFacet());
- m_facetWidget->addFacet(Nepomuk::Utils::Facet::createTagFacet());
-
- Q_ASSERT(!m_lastSetUrlStatJob);
- m_lastSetUrlStatJob = KIO::stat(url(), KIO::HideProgressInfo);
- connect(m_lastSetUrlStatJob, SIGNAL(result(KJob*)),
- this, SLOT(slotSetUrlStatFinished(KJob*)));
-
- connect(m_facetWidget, SIGNAL(queryTermChanged(Nepomuk::Query::Term)),
- this, SLOT(slotQueryTermChanged(Nepomuk::Query::Term)));
-
- m_initialized = true;
- }
-
- const DolphinSearchInformation& searchInfo = DolphinSearchInformation::instance();
- setEnabled(searchInfo.isIndexingEnabled() &&
- searchInfo.isPathIndexed(m_startedFromDir));
-
- Panel::showEvent(event);
-}
-
-void FilterPanel::hideEvent(QHideEvent* event)
-{
- if (!event->spontaneous()) {
- setEnabled(false);
- }
-
- Panel::hideEvent(event);
-}
-
-void FilterPanel::contextMenuEvent(QContextMenuEvent* event)
-{
- Panel::contextMenuEvent(event);
-
- QWeakPointer<KMenu> popup = new KMenu(this);
- foreach (QAction* action, customContextMenuActions()) {
- popup.data()->addAction(action);
- }
- popup.data()->exec(QCursor::pos());
- delete popup.data();
-}
-
-void FilterPanel::slotSetUrlStatFinished(KJob* job)
-{
- m_lastSetUrlStatJob = 0;
-
- const KIO::UDSEntry uds = static_cast<KIO::StatJob*>(job)->statResult();
- const QString nepomukQueryStr = uds.stringValue(KIO::UDSEntry::UDS_NEPOMUK_QUERY);
- Nepomuk::Query::FileQuery nepomukQuery;
- if (!nepomukQueryStr.isEmpty()) {
- nepomukQuery = Nepomuk::Query::Query::fromString(nepomukQueryStr);
- } else if (url().isLocalFile()) {
- // Fallback query for local file URLs: List all files
- Nepomuk::Query::ComparisonTerm compTerm(
- Nepomuk::Vocabulary::NFO::fileName(),
- Nepomuk::Query::Term());
- nepomukQuery.setFileMode(Nepomuk::Query::FileQuery::QueryFiles);
- if (SearchSettings::location() == QLatin1String("FromHere")) {
- nepomukQuery.addIncludeFolder(url(), true);
- }
- nepomukQuery.setTerm(compTerm);
- }
- setQuery(nepomukQuery);
-}
-
-void FilterPanel::slotQueryTermChanged(const Nepomuk::Query::Term& term)
-{
- if (term.isValid()) {
- // Default case: A facet has been changed by the user to restrict the query.
- Nepomuk::Query::FileQuery query(m_unfacetedRestQuery && term);
- emit urlActivated(query.toSearchUrl());
- return;
- }
-
- // All facets have been reset by the user to be unrestricted.
- // Verify whether the unfaceted rest query contains any additional restriction
- // (e.g. a filename in the search field). If no further restriction is given, exit
- // the search mode by returning to the directory where the searching has been
- // started from.
- const Nepomuk::Query::Term rootTerm = m_unfacetedRestQuery.term();
- if (rootTerm.type() == Nepomuk::Query::Term::Comparison) {
- const Nepomuk::Query::ComparisonTerm& compTerm = static_cast<const Nepomuk::Query::ComparisonTerm&>(rootTerm);
- if (compTerm.subTerm().isValid()) {
- Nepomuk::Query::FileQuery query(m_unfacetedRestQuery);
- emit urlActivated(query.toSearchUrl());
- return;
- }
- }
-
- emit urlActivated(m_startedFromDir);
-}
-
-void FilterPanel::setQuery(const Nepomuk::Query::Query& query)
-{
- if (query.isValid()) {
- const bool block = m_facetWidget->blockSignals(true);
-
- m_unfacetedRestQuery = m_facetWidget->extractFacetsFromQuery(query);
- m_facetWidget->setClientQuery(query);
-
- const DolphinSearchInformation& searchInfo = DolphinSearchInformation::instance();
- setEnabled(searchInfo.isIndexingEnabled() &&
- searchInfo.isPathIndexed(m_startedFromDir));
-
- m_facetWidget->blockSignals(block);
- } else {
- m_unfacetedRestQuery = Nepomuk::Query::Query();
- setEnabled(false);
- }
-}
projects / dolphin.git / commitdiff