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[dolphin.git] / src / search / dolphinsearchbox.cpp
index f12df73f3cd3500f912a7e1d2df7b5e358c037fa..68dc9da3cd0b12425140a008468737f116e4ff6a 100644 (file)
 #include "dolphinsearchbox.h"
 
 #include "dolphin_searchsettings.h"
+#include "dolphinsearchinformation.h"
 
-#include <kicon.h>
-#include <klineedit.h>
-#include <klocale.h>
+#include <KIcon>
+#include <KLineEdit>
+#include <KLocale>
 #include <kseparator.h>
 
 #include <QButtonGroup>
 #include <QKeyEvent>
 #include <QLabel>
 #include <QPushButton>
+#include <QScrollArea>
 #include <QTimer>
 #include <QToolButton>
 #include <QVBoxLayout>
 
 #include <config-nepomuk.h>
 #ifdef HAVE_NEPOMUK
-    #include <nepomuk/andterm.h>
-    #include <nepomuk/filequery.h>
-    #include <nepomuk/literalterm.h>
-    #include <nepomuk/query.h>
-    #include <nepomuk/queryparser.h>
-    #include <nepomuk/resourcemanager.h>
-    #include <nepomuk/resourcetypeterm.h>
-    #include "nfo.h"
-
-    #include "filters/datesearchfilterwidget.h"
-    #include "filters/ratingsearchfilterwidget.h"
-    #include "filters/tagsearchfilterwidget.h"
+    #include <Nepomuk/Query/AndTerm>
+    #include <Nepomuk/Query/FileQuery>
+    #include <Nepomuk/Query/LiteralTerm>
+    #include <Nepomuk/Query/Query>
+    #include <Nepomuk/Query/QueryParser>
+    #include <Nepomuk/Query/ResourceTypeTerm>
+    #include <Nepomuk/Query/ComparisonTerm>
+    #include <Nepomuk/ResourceManager>
+    #include <Nepomuk/Vocabulary/NFO>
 #endif
 
 DolphinSearchBox::DolphinSearchBox(QWidget* parent) :
@@ -60,13 +59,11 @@ DolphinSearchBox::DolphinSearchBox(QWidget* parent) :
     m_nepomukActivated(false),
     m_topLayout(0),
     m_searchInput(0),
-    m_fromHereButton(0),
-    m_everywhereButton(0),
     m_fileNameButton(0),
     m_contentButton(0),
-    m_filterButton(0),
-    m_filterWidgetsLayout(0),
-    m_filterWidgets(),
+    m_separator(0),
+    m_fromHereButton(0),
+    m_everywhereButton(0),
     m_searchPath(),
     m_startSearchTimer(0)
 {
@@ -85,7 +82,26 @@ QString DolphinSearchBox::text() const
 void DolphinSearchBox::setSearchPath(const KUrl& url)
 {
     m_searchPath = url;
-    m_filterButton->setVisible(isSearchPathIndexed());
+
+    QFontMetrics metrics(m_fromHereButton->font());
+    const int maxWidth = metrics.averageCharWidth() * 15;
+
+    QString location = url.fileName();
+    if (location.isEmpty()) {
+        if (url.isLocalFile()) {
+            location = QLatin1String("/");
+        } else {
+            location = url.protocol() + QLatin1String(" - ") + url.host();
+        }
+    }
+
+    const QString elidedLocation = metrics.elidedText(location, Qt::ElideMiddle, maxWidth);
+    m_fromHereButton->setText(i18nc("action:button", "From Here (%1)", elidedLocation));
+
+    const bool showSearchFromButtons = url.isLocalFile();
+    m_separator->setVisible(showSearchFromButtons);
+    m_fromHereButton->setVisible(showSearchFromButtons);
+    m_everywhereButton->setVisible(showSearchFromButtons);
 }
 
 KUrl DolphinSearchBox::searchPath() const
@@ -96,37 +112,40 @@ KUrl DolphinSearchBox::searchPath() const
 KUrl DolphinSearchBox::urlForSearching() const
 {
     KUrl url;
-    if (isSearchPathIndexed() && !m_fileNameButton->isChecked()) {
-        // TODO: Currently Nepomuk is not used for searching filenames. Nepomuk
-        // is capable to provide this, but further investigations are necessary to
-        // also support regular expressions.
+    const DolphinSearchInformation& searchInfo = DolphinSearchInformation::instance();
+    if (searchInfo.isIndexingEnabled() && searchInfo.isPathIndexed(url)) {
         url = nepomukUrlForSearching();
     } else {
-        url = m_searchPath;
         url.setProtocol("filenamesearch");
         url.addQueryItem("search", m_searchInput->text());
         if (m_contentButton->isChecked()) {
             url.addQueryItem("checkContent", "yes");
         }
+
+        QString encodedUrl;
         if (m_everywhereButton->isChecked()) {
             // It is very unlikely, that the majority of Dolphins target users
             // mean "the whole harddisk" instead of "my home folder" when
             // selecting the "Everywhere" button.
-            url.setPath(QDir::homePath());
+            encodedUrl = QDir::homePath();
+        } else {
+            encodedUrl = m_searchPath.url();
         }
+        url.addQueryItem("url", encodedUrl);
     }
 
     return url;
 }
 
+void DolphinSearchBox::selectAll()
+{
+    m_searchInput->selectAll();
+}
+
 bool DolphinSearchBox::event(QEvent* event)
 {
     if (event->type() == QEvent::Polish) {
         init();
-    } else if (event->type() == QEvent::KeyPress) {
-        if (static_cast<QKeyEvent* >(event)->key() == Qt::Key_Escape) {
-            m_searchInput->clear();
-        }
     }
     return QWidget::event(event);
 }
@@ -147,7 +166,7 @@ void DolphinSearchBox::showEvent(QShowEvent* event)
 void DolphinSearchBox::keyReleaseEvent(QKeyEvent* event)
 {
     QWidget::keyReleaseEvent(event);
-    if ((event->key() == Qt::Key_Escape)) {
+    if (event->key() == Qt::Key_Escape) {
         if (m_searchInput->text().isEmpty()) {
             emit closeRequest();
         } else {
@@ -186,34 +205,6 @@ void DolphinSearchBox::slotReturnPressed(const QString& text)
     emit returnPressed(text);
 }
 
-void DolphinSearchBox::setFilterWidgetsVisible(bool visible)
-{
-#ifdef HAVE_NEPOMUK
-    if (visible) {
-        if (m_filterWidgetsLayout == 0) {
-            m_filterWidgetsLayout = new QFormLayout(this);
-            m_filterWidgetsLayout->setSpacing(0);
-
-            m_filterWidgets.append(new DateSearchFilterWidget(this));
-            m_filterWidgets.append(new RatingSearchFilterWidget(this));
-            m_filterWidgets.append(new TagSearchFilterWidget(this));
-
-            foreach (AbstractSearchFilterWidget* filterWidget, m_filterWidgets) {
-                const QString labelText = filterWidget->filterLabel() + QLatin1Char(':');
-                QLabel* label = new QLabel(labelText, this);
-                m_filterWidgetsLayout->addRow(label, filterWidget);
-                connect(filterWidget, SIGNAL(filterChanged()), this, SLOT(emitSearchSignal()));
-            }
-        }
-        m_topLayout->addLayout(m_filterWidgetsLayout);
-    } else {
-        m_topLayout->removeItem(m_filterWidgetsLayout);
-    }
-#else
-    Q_UNUSED(visible);
-#endif
-}
-
 void DolphinSearchBox::initButton(QPushButton* button)
 {
     button->setAutoExclusive(true);
@@ -260,6 +251,7 @@ void DolphinSearchBox::init()
     m_searchInput = new KLineEdit(this);
     m_searchInput->setClearButtonShown(true);
     m_searchInput->setFont(KGlobalSettings::generalFont());
+    setFocusProxy(m_searchInput);
     connect(m_searchInput, SIGNAL(returnPressed(QString)),
             this, SLOT(slotReturnPressed(QString)));
     connect(m_searchInput, SIGNAL(textChanged(QString)),
@@ -272,19 +264,6 @@ void DolphinSearchBox::init()
     searchInputLayout->addWidget(searchLabel);
     searchInputLayout->addWidget(m_searchInput);
 
-    // Create "From Here" and "Everywhere"button
-    m_fromHereButton = new QPushButton();
-    m_fromHereButton->setText(i18nc("action:button", "From Here"));
-    initButton(m_fromHereButton);
-
-    m_everywhereButton = new QPushButton(this);
-    m_everywhereButton->setText(i18nc("action:button", "Everywhere"));
-    initButton(m_everywhereButton);
-
-    QButtonGroup* searchLocationGroup = new QButtonGroup(this);
-    searchLocationGroup->addButton(m_fromHereButton);
-    searchLocationGroup->addButton(m_everywhereButton);
-
     // Create "Filename" and "Content" button
     m_fileNameButton = new QPushButton(this);
     m_fileNameButton->setText(i18nc("action:button", "Filename"));
@@ -298,28 +277,47 @@ void DolphinSearchBox::init()
     searchWhatGroup->addButton(m_fileNameButton);
     searchWhatGroup->addButton(m_contentButton);
 
-    // Create "Filter" button
-    m_filterButton = new QToolButton(this);
-    m_filterButton->setIcon(KIcon("view-filter"));
-    m_filterButton->setAutoRaise(true);
-    m_filterButton->setCheckable(true);
-    m_filterButton->hide();
-    connect(m_filterButton, SIGNAL(toggled(bool)), this, SLOT(setFilterWidgetsVisible(bool)));
+    m_separator = new KSeparator(Qt::Vertical, this);
+
+    // Create "From Here" and "Everywhere"button
+    m_fromHereButton = new QPushButton(this);
+    m_fromHereButton->setText(i18nc("action:button", "From Here"));
+    initButton(m_fromHereButton);
+
+    m_everywhereButton = new QPushButton(this);
+    m_everywhereButton->setText(i18nc("action:button", "Everywhere"));
+    initButton(m_everywhereButton);
+
+    QButtonGroup* searchLocationGroup = new QButtonGroup(this);
+    searchLocationGroup->addButton(m_fromHereButton);
+    searchLocationGroup->addButton(m_everywhereButton);
 
     // Apply layout for the options
     QHBoxLayout* optionsLayout = new QHBoxLayout();
     optionsLayout->setMargin(0);
-    optionsLayout->addWidget(m_fromHereButton);
-    optionsLayout->addWidget(m_everywhereButton);
-    optionsLayout->addWidget(new KSeparator(Qt::Vertical));
     optionsLayout->addWidget(m_fileNameButton);
     optionsLayout->addWidget(m_contentButton);
+    optionsLayout->addWidget(m_separator);
+    optionsLayout->addWidget(m_fromHereButton);
+    optionsLayout->addWidget(m_everywhereButton);
     optionsLayout->addStretch(1);
-    optionsLayout->addWidget(m_filterButton);
+
+    // Put the options into a QScrollArea. This prevents increasing the view width
+    // in case that not enough width for the options is available.
+    QWidget* optionsContainer = new QWidget(this);
+    optionsContainer->setLayout(optionsLayout);
+    QScrollArea* optionsScrollArea = new QScrollArea(this);
+    optionsScrollArea->setFrameShape(QFrame::NoFrame);
+    optionsScrollArea->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+    optionsScrollArea->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+    optionsScrollArea->setMaximumHeight(optionsContainer->sizeHint().height());
+    optionsScrollArea->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
+    optionsScrollArea->setWidget(optionsContainer);
+    optionsScrollArea->setWidgetResizable(true);
 
     m_topLayout = new QVBoxLayout(this);
     m_topLayout->addLayout(searchInputLayout);
-    m_topLayout->addLayout(optionsLayout);
+    m_topLayout->addWidget(optionsScrollArea);
 
     searchLabel->setBuddy(m_searchInput);
     loadSettings();
@@ -332,74 +330,45 @@ void DolphinSearchBox::init()
     connect(m_startSearchTimer, SIGNAL(timeout()), this, SLOT(emitSearchSignal()));
 }
 
-bool DolphinSearchBox::isSearchPathIndexed() const
-{
-#ifdef HAVE_NEPOMUK
-    const QString path = m_searchPath.path();
-
-    const KConfig strigiConfig("nepomukstrigirc");
-    const QStringList indexedFolders = strigiConfig.group("General").readPathEntry("folders", QStringList());
-
-    // Check whether the current search path is part of an indexed folder
-    bool isIndexed = false;
-    foreach (const QString& indexedFolder, indexedFolders) {
-        if (path.startsWith(indexedFolder)) {
-            isIndexed = true;
-            break;
-        }
-    }
-
-    if (isIndexed) {
-        // The current search path is part of an indexed folder. Check whether no
-        // excluded folder is part of the search path.
-        const QStringList excludedFolders = strigiConfig.group("General").readPathEntry("exclude folders", QStringList());
-        foreach (const QString& excludedFolder, excludedFolders) {
-            if (excludedFolder.startsWith(path)) {
-                isIndexed = false;
-                break;
-            }
-        }
-    }
-
-    return isIndexed;
-#else
-    return false;
-#endif
-}
-
 KUrl DolphinSearchBox::nepomukUrlForSearching() const
 {
 #ifdef HAVE_NEPOMUK
     Nepomuk::Query::AndTerm andTerm;
 
-    // Add filter terms
-    foreach (const AbstractSearchFilterWidget* filterWidget, m_filterWidgets) {
-        const Nepomuk::Query::Term term = filterWidget->queryTerm();
-        if (term.isValid()) {
-            andTerm.addSubTerm(term);
-        }
-    }
-
     // Add input from search filter
     const QString text = m_searchInput->text();
     if (!text.isEmpty()) {
-        const Nepomuk::Query::Query customQuery = Nepomuk::Query::QueryParser::parseQuery(text);
-        if (customQuery.isValid()) {
-            andTerm.addSubTerm(customQuery.term());
+        if (m_fileNameButton->isChecked()) {
+            QString regex = QRegExp::escape(text);
+            regex.replace("\\*", QLatin1String(".*"));
+            regex.replace("\\?", QLatin1String("."));
+            regex.replace("\\", "\\\\");
+            andTerm.addSubTerm(Nepomuk::Query::ComparisonTerm(
+                                    Nepomuk::Vocabulary::NFO::fileName(),
+                                    Nepomuk::Query::LiteralTerm(regex),
+                                    Nepomuk::Query::ComparisonTerm::Regexp));
+        } else {
+            const Nepomuk::Query::Query customQuery = Nepomuk::Query::QueryParser::parseQuery(text, Nepomuk::Query::QueryParser::DetectFilenamePattern);
+            if (customQuery.isValid()) {
+                andTerm.addSubTerm(customQuery.term());
+            }
         }
     }
 
     Nepomuk::Query::FileQuery fileQuery;
-    fileQuery.setFileMode(Nepomuk::Query::FileQuery::QueryFiles);
+    fileQuery.setFileMode(Nepomuk::Query::FileQuery::QueryFilesAndFolders);
     fileQuery.setTerm(andTerm);
-
-    if (fileQuery.isValid()) {
-        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));
+    if (m_fromHereButton->isChecked()) {
+        const bool recursive = true;
+        fileQuery.addIncludeFolder(m_searchPath, recursive);
     }
-#endif
+
+    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));
+#else
     return KUrl();
+#endif
 }
 
 #include "dolphinsearchbox.moc"