]> cloud.milkyroute.net Git - dolphin.git/blobdiff - src/search/dolphinsearchbox.cpp
Dolphin Facet Widgets: Implement date based filtering
[dolphin.git] / src / search / dolphinsearchbox.cpp
index 0bad32fe887361538a3807a30d3227cce1465f20..e6b738a9314e91ffea14ea702721d0c30c156077 100644 (file)
@@ -20,7 +20,7 @@
 #include "dolphinsearchbox.h"
 
 #include "dolphin_searchsettings.h"
-#include "dolphinsearchinformation.h"
+#include "dolphinfacetswidget.h"
 
 #include <KIcon>
 #include <KLineEdit>
 #include <QHBoxLayout>
 #include <QKeyEvent>
 #include <QLabel>
-#include <QToolButton>
 #include <QScrollArea>
 #include <QTimer>
 #include <QToolButton>
 #include <QVBoxLayout>
 
-#include <config-nepomuk.h>
-#ifdef HAVE_NEPOMUK
-    #include <Nepomuk/Query/FileQuery>
-    #include <Nepomuk/Query/LiteralTerm>
-    #include <Nepomuk/Query/OrTerm>
-    #include <Nepomuk/Query/Query>
-    #include <Nepomuk/Query/QueryParser>
-    #include <Nepomuk/Query/ResourceTypeTerm>
-    #include <Nepomuk/Query/ComparisonTerm>
-    #include <Nepomuk/ResourceManager>
-    #include <Nepomuk/Vocabulary/NFO>
+#include <config-baloo.h>
+#ifdef HAVE_BALOO
+    #include <baloo/query.h>
+    #include <baloo/term.h>
+    #include <baloo/indexerconfig.h>
 #endif
 
 DolphinSearchBox::DolphinSearchBox(QWidget* parent) :
     QWidget(parent),
     m_startedSearching(false),
     m_readOnly(false),
+    m_active(true),
     m_topLayout(0),
     m_searchLabel(0),
     m_searchInput(0),
@@ -66,6 +60,8 @@ DolphinSearchBox::DolphinSearchBox(QWidget* parent) :
     m_separator(0),
     m_fromHereButton(0),
     m_everywhereButton(0),
+    m_facetsToggleButton(0),
+    m_facetsWidget(0),
     m_searchPath(),
     m_readOnlyQuery(),
     m_startSearchTimer(0)
@@ -92,7 +88,7 @@ void DolphinSearchBox::setSearchPath(const KUrl& url)
     m_searchPath = url;
 
     QFontMetrics metrics(m_fromHereButton->font());
-    const int maxWidth = metrics.averageCharWidth() * 15;
+    const int maxWidth = metrics.height() * 8;
 
     QString location = url.fileName();
     if (location.isEmpty()) {
@@ -110,6 +106,13 @@ void DolphinSearchBox::setSearchPath(const KUrl& url)
     m_separator->setVisible(showSearchFromButtons);
     m_fromHereButton->setVisible(showSearchFromButtons);
     m_everywhereButton->setVisible(showSearchFromButtons);
+
+    bool hasFacetsSupport = false;
+#ifdef HAVE_BALOO
+    const Baloo::IndexerConfig searchInfo;
+    hasFacetsSupport = searchInfo.fileIndexingEnabled() && searchInfo.shouldBeIndexed(m_searchPath.toLocalFile());
+#endif
+    m_facetsWidget->setEnabled(hasFacetsSupport);
 }
 
 KUrl DolphinSearchBox::searchPath() const
@@ -120,9 +123,13 @@ KUrl DolphinSearchBox::searchPath() const
 KUrl DolphinSearchBox::urlForSearching() const
 {
     KUrl url;
-    const DolphinSearchInformation& searchInfo = DolphinSearchInformation::instance();
-    if (searchInfo.isIndexingEnabled() && searchInfo.isPathIndexed(m_searchPath)) {
-        url = nepomukUrlForSearching();
+    bool useBalooSearch = false;
+#ifdef HAVE_BALOO
+    const Baloo::IndexerConfig searchInfo;
+    useBalooSearch = searchInfo.fileIndexingEnabled() && searchInfo.shouldBeIndexed(m_searchPath.toLocalFile());
+#endif
+    if (useBalooSearch) {
+        url = balooUrlForSearching();
     } else {
         url.setProtocol("filenamesearch");
         url.addQueryItem("search", m_searchInput->text());
@@ -152,7 +159,7 @@ void DolphinSearchBox::selectAll()
 
 void DolphinSearchBox::setReadOnly(bool readOnly, const KUrl& query)
 {
-    if (m_readOnly != readOnly) {
+    if (m_readOnly != readOnly || m_readOnlyQuery != query) {
         m_readOnly = readOnly;
         m_readOnlyQuery = query;
         applyReadOnlyState();
@@ -164,6 +171,22 @@ bool DolphinSearchBox::isReadOnly() const
     return m_readOnly;
 }
 
+void DolphinSearchBox::setActive(bool active)
+{
+    if (active != m_active) {
+        m_active = active;
+
+        if (active) {
+            emit activated();
+        }
+    }
+}
+
+bool DolphinSearchBox::isActive() const
+{
+    return m_active;
+}
+
 bool DolphinSearchBox::event(QEvent* event)
 {
     if (event->type() == QEvent::Polish) {
@@ -192,45 +215,76 @@ void DolphinSearchBox::keyReleaseEvent(QKeyEvent* event)
     }
 }
 
-void DolphinSearchBox::emitSearchSignal()
+bool DolphinSearchBox::eventFilter(QObject* obj, QEvent* event)
 {
-    m_startSearchTimer->stop();
-    m_startedSearching = true;
-    emit search(m_searchInput->text());
+    switch (event->type()) {
+    case QEvent::FocusIn:
+        setActive(true);
+        setFocus();
+        break;
+
+    default:
+        break;
+    }
+
+    return QObject::eventFilter(obj, event);
 }
 
-void DolphinSearchBox::slotSearchLocationChanged()
+void DolphinSearchBox::emitSearchRequest()
 {
-    emit searchLocationChanged(m_fromHereButton->isChecked() ? SearchFromHere : SearchEverywhere);
+    m_startSearchTimer->stop();
+    m_startedSearching = true;
+    emit searchRequest();
 }
 
-void DolphinSearchBox::slotSearchContextChanged()
+void DolphinSearchBox::emitCloseRequest()
 {
-    emit searchContextChanged(m_fileNameButton->isChecked() ? SearchFileName : SearchContent);
+    m_startSearchTimer->stop();
+    m_startedSearching = false;
+    emit closeRequest();
 }
 
 void DolphinSearchBox::slotConfigurationChanged()
 {
     saveSettings();
     if (m_startedSearching) {
-        emitSearchSignal();
+        emitSearchRequest();
     }
 }
 
 void DolphinSearchBox::slotSearchTextChanged(const QString& text)
 {
-    m_startSearchTimer->start();
+    if (text.isEmpty()) {
+        m_startSearchTimer->stop();
+    } else {
+        m_startSearchTimer->start();
+    }
     emit searchTextChanged(text);
 }
 
 void DolphinSearchBox::slotReturnPressed(const QString& text)
 {
-    emitSearchSignal();
+    emitSearchRequest();
     emit returnPressed(text);
 }
 
+void DolphinSearchBox::slotFacetsButtonToggled()
+{
+    const bool facetsIsVisible = !m_facetsWidget->isVisible();
+    m_facetsWidget->setVisible(facetsIsVisible);
+    updateFacetsToggleButton();
+}
+
+void DolphinSearchBox::slotFacetChanged()
+{
+    m_startedSearching = true;
+    m_startSearchTimer->stop();
+    emit searchRequest();
+}
+
 void DolphinSearchBox::initButton(QToolButton* button)
 {
+    button->installEventFilter(this);
     button->setAutoExclusive(true);
     button->setAutoRaise(true);
     button->setCheckable(true);
@@ -250,12 +304,15 @@ void DolphinSearchBox::loadSettings()
     } else {
         m_fileNameButton->setChecked(true);
     }
+
+    m_facetsWidget->setVisible(SearchSettings::showFacetsWidget());
 }
 
 void DolphinSearchBox::saveSettings()
 {
     SearchSettings::setLocation(m_fromHereButton->isChecked() ? "FromHere" : "Everywhere");
     SearchSettings::setWhat(m_fileNameButton->isChecked() ? "FileName" : "Content");
+    SearchSettings::setShowFacetsWidget(m_facetsToggleButton->isChecked());
     SearchSettings::self()->writeConfig();
 }
 
@@ -266,13 +323,14 @@ void DolphinSearchBox::init()
     closeButton->setAutoRaise(true);
     closeButton->setIcon(KIcon("dialog-close"));
     closeButton->setToolTip(i18nc("@info:tooltip", "Quit searching"));
-    connect(closeButton, SIGNAL(clicked()), SIGNAL(closeRequest()));
+    connect(closeButton, SIGNAL(clicked()), this, SLOT(emitCloseRequest()));
 
     // Create search label
     m_searchLabel = new QLabel(this);
 
     // Create search box
     m_searchInput = new KLineEdit(this);
+    m_searchInput->installEventFilter(this);
     m_searchInput->setClearButtonShown(true);
     m_searchInput->setFont(KGlobalSettings::generalFont());
     setFocusProxy(m_searchInput);
@@ -295,13 +353,11 @@ void DolphinSearchBox::init()
 
     m_contentButton = new QToolButton();
     m_contentButton->setText(i18nc("action:button", "Content"));
-    initButton(m_contentButton);;
+    initButton(m_contentButton);
 
     QButtonGroup* searchWhatGroup = new QButtonGroup(this);
     searchWhatGroup->addButton(m_fileNameButton);
     searchWhatGroup->addButton(m_contentButton);
-    connect(m_fileNameButton, SIGNAL(clicked()), this, SLOT(slotSearchContextChanged()));
-    connect(m_contentButton, SIGNAL(clicked()), this, SLOT(slotSearchContextChanged()));
 
     m_separator = new KSeparator(Qt::Vertical, this);
 
@@ -317,8 +373,17 @@ void DolphinSearchBox::init()
     QButtonGroup* searchLocationGroup = new QButtonGroup(this);
     searchLocationGroup->addButton(m_fromHereButton);
     searchLocationGroup->addButton(m_everywhereButton);
-    connect(m_fromHereButton, SIGNAL(clicked()), this, SLOT(slotSearchLocationChanged()));
-    connect(m_everywhereButton, SIGNAL(clicked()), this, SLOT(slotSearchLocationChanged()));
+
+    // Create "Facets" widgets
+    m_facetsToggleButton = new QToolButton(this);
+    m_facetsToggleButton->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
+    initButton(m_facetsToggleButton);
+    connect(m_facetsToggleButton, SIGNAL(clicked()), this, SLOT(slotFacetsButtonToggled()));
+
+    m_facetsWidget = new DolphinFacetsWidget(this);
+    m_facetsWidget->installEventFilter(this);
+    m_facetsWidget->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Maximum);
+    connect(m_facetsWidget, SIGNAL(facetChanged()), this, SLOT(slotFacetChanged()));
 
     // Apply layout for the options
     QHBoxLayout* optionsLayout = new QHBoxLayout();
@@ -329,6 +394,7 @@ void DolphinSearchBox::init()
     optionsLayout->addWidget(m_fromHereButton);
     optionsLayout->addWidget(m_everywhereButton);
     optionsLayout->addStretch(1);
+    optionsLayout->addWidget(m_facetsToggleButton);
 
     // Put the options into a QScrollArea. This prevents increasing the view width
     // in case that not enough width for the options is available.
@@ -348,6 +414,7 @@ void DolphinSearchBox::init()
     m_topLayout->setMargin(0);
     m_topLayout->addLayout(searchInputLayout);
     m_topLayout->addWidget(m_optionsScrollArea);
+    m_topLayout->addWidget(m_facetsWidget);
 
     loadSettings();
 
@@ -356,45 +423,42 @@ void DolphinSearchBox::init()
     m_startSearchTimer = new QTimer(this);
     m_startSearchTimer->setSingleShot(true);
     m_startSearchTimer->setInterval(1000);
-    connect(m_startSearchTimer, SIGNAL(timeout()), this, SLOT(emitSearchSignal()));
+    connect(m_startSearchTimer, SIGNAL(timeout()), this, SLOT(emitSearchRequest()));
 
+    updateFacetsToggleButton();
     applyReadOnlyState();
 }
 
-KUrl DolphinSearchBox::nepomukUrlForSearching() const
+KUrl DolphinSearchBox::balooUrlForSearching() const
 {
-#ifdef HAVE_NEPOMUK
-    Nepomuk::Query::Term term;
-
+#ifdef HAVE_BALOO
     const QString text = m_searchInput->text();
 
-    if (m_contentButton->isChecked()) {
-        // Let Nepomuk parse the query
-        term = Nepomuk::Query::QueryParser::parseQuery(text, Nepomuk::Query::QueryParser::DetectFilenamePattern).term();
+    Baloo::Query query;
+    query.addType("File");
+    query.addTypes(m_facetsWidget->facetTypes());
+
+    Baloo::Term term(Baloo::Term::And);
+
+    Baloo::Term ratingTerm = m_facetsWidget->ratingTerm();
+    if (ratingTerm.isValid()) {
+        term.addSubTerm(ratingTerm);
     }
-    else {
-        // Search the text in the filename only
-        QString regex = QRegExp::escape(text);
-        regex.replace("\\*", QLatin1String(".*"));
-        regex.replace("\\?", QLatin1String("."));
-        regex.replace("\\", "\\\\");
-        term = Nepomuk::Query::ComparisonTerm(
-                    Nepomuk::Vocabulary::NFO::fileName(),
-                    Nepomuk::Query::LiteralTerm(regex),
-                    Nepomuk::Query::ComparisonTerm::Regexp);
+
+    if (m_contentButton->isChecked()) {
+        query.setSearchString(text);
+    } else {
+        term.addSubTerm(Baloo::Term(QLatin1String("filename"), text));
     }
 
-    Nepomuk::Query::FileQuery fileQuery;
-    fileQuery.setFileMode(Nepomuk::Query::FileQuery::QueryFilesAndFolders);
-    fileQuery.setTerm(term);
     if (m_fromHereButton->isChecked()) {
-        const bool recursive = true;
-        fileQuery.addIncludeFolder(m_searchPath, recursive);
+        query.addCustomOption("includeFolder", m_searchPath.toLocalFile());
     }
 
-    return fileQuery.toSearchUrl(i18nc("@title UDS_DISPLAY_NAME for a KIO directory listing. %1 is the query the user entered.",
-                                       "Query Results from '%1'",
-                                       text));
+    query.setTerm(term);
+
+    return query.toSearchUrl(i18nc("@title UDS_DISPLAY_NAME for a KIO directory listing. %1 is the query the user entered.",
+                                   "Query Results from '%1'", text));
 #else
     return KUrl();
 #endif
@@ -402,9 +466,9 @@ KUrl DolphinSearchBox::nepomukUrlForSearching() const
 
 void DolphinSearchBox::applyReadOnlyState()
 {
-#ifdef HAVE_NEPOMUK
+#ifdef HAVE_BALOO
     if (m_readOnly) {
-        m_searchLabel->setText(Nepomuk::Query::Query::titleFromQueryUrl(m_readOnlyQuery));
+        m_searchLabel->setText(Baloo::Query::titleFromQueryUrl(m_readOnlyQuery));
     } else {
 #else
     {
@@ -414,6 +478,20 @@ void DolphinSearchBox::applyReadOnlyState()
 
     m_searchInput->setVisible(!m_readOnly);
     m_optionsScrollArea->setVisible(!m_readOnly);
+
+    if (m_readOnly) {
+        m_facetsWidget->hide();
+    } else {
+        m_facetsWidget->setVisible(SearchSettings::showFacetsWidget());
+    }
+}
+
+void DolphinSearchBox::updateFacetsToggleButton()
+{
+    const bool facetsIsVisible = SearchSettings::showFacetsWidget();
+    m_facetsToggleButton->setChecked(facetsIsVisible ? true : false);
+    m_facetsToggleButton->setIcon(KIcon(facetsIsVisible ? "arrow-up-double" : "arrow-down-double"));
+    m_facetsToggleButton->setText(facetsIsVisible ? i18nc("action:button", "Fewer Options") : i18nc("action:button", "More Options"));
 }
 
 #include "dolphinsearchbox.moc"