Merge branch 'master' into gsoc20_documentation

CMakeLists.txt

@@ -5,7 +5,7 @@ set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 # KDE Application Version, managed by release script
 set (RELEASE_SERVICE_VERSION_MAJOR "20")
-set (RELEASE_SERVICE_VERSION_MINOR "07")
+set (RELEASE_SERVICE_VERSION_MINOR "11")
 set (RELEASE_SERVICE_VERSION_MICRO "70")
 set (RELEASE_SERVICE_VERSION "${RELEASE_SERVICE_VERSION_MAJOR}.${RELEASE_SERVICE_VERSION_MINOR}.${RELEASE_SERVICE_VERSION_MICRO}")
 

src/assistants/differentiate/differentiateassistant.json

@@ -3,7 +3,7 @@
         "Dependencies": [],
         "Description": "An Assistant dialog to simplify calculating derivatives of expressions",
         "Description[ca@valencia]": "Un diàleg assistent per simplificar els càlculs de derivades d'expressions",
-        "Description[ca]": "Un diàleg assistent per simplificar els càlculs de derivades d'expressions",
+        "Description[ca]": "Un diàleg assistent per a simplificar els càlculs de derivades d'expressions",
         "Description[cs]": "Pomocný dialog pro zjednodušení derivace výrazů",
         "Description[de]": "Ein Assistent, um die Berechnung von Ableitungen von Ausdrücken zu vereinfachen",
         "Description[el]": "Βοηθητικός διάλογος για απλούστευση του υπολογισμού παραγώγων εκφράσεων",

src/assistants/importpackage/importpackageassistant.json

@@ -3,7 +3,7 @@
         "Dependencies": [],
         "Description": "An Assistant dialog to import a specific package (or library or module) to Cantor workspace",
         "Description[ca@valencia]": "Un diàleg d'assistència per importar un paquet específic (o biblioteca o mòdul) a l'espai de treball del Cantor",
-        "Description[ca]": "Un diàleg d'assistència per importar un paquet específic (o biblioteca o mòdul) a l'espai de treball del Cantor",
+        "Description[ca]": "Un diàleg d'assistència per a importar un paquet específic (o biblioteca o mòdul) a l'espai de treball del Cantor",
         "Description[de]": "Ein Assistent, um ein angegebenes Paket, Bibliothek oder Modul in den Arbeitsbereich von Cantor zu importieren",
         "Description[el]": "Βοηθητικός διάλογος για την εισαγωγή πακέτου (ή βιβλιοθήκης ή αρθρώματος) στο χώρο εργασίας Cantor",
         "Description[en_GB]": "An Assistant dialogue to import a specific package (or library or module) to Cantor workspace",

src/assistants/integrate/integrateassistant.json

@@ -3,7 +3,7 @@
         "Dependencies": [],
         "Description": "An Assistant dialog to simplify calculation of integrals",
         "Description[ca@valencia]": "Un diàleg assistent per simplificar els càlculs d'integrals",
-        "Description[ca]": "Un diàleg assistent per simplificar els càlculs d'integrals",
+        "Description[ca]": "Un diàleg assistent per a simplificar els càlculs d'integrals",
         "Description[cs]": "Pomocný dialog pro zjednodušení výpočtu integrálů",
         "Description[de]": "Ein Assistent, um die Berechnung von Integralen zu vereinfachen",
         "Description[el]": "Βοηθητικός διάλογος για απλούστευση του υπολογισμού ολοκληρωμάτων",

src/assistants/linearalgebra/creatematrix/creatematrixassistant.json

@@ -3,7 +3,7 @@
         "Dependencies": [],
         "Description": "An Assistant dialog to simplify entering of matrices",
         "Description[ca@valencia]": "Un diàleg assistent per simplificar la introducció de matrius",
-        "Description[ca]": "Un diàleg assistent per simplificar la introducció de matrius",
+        "Description[ca]": "Un diàleg assistent per a simplificar la introducció de matrius",
         "Description[cs]": "Pomocný dialog pro zjednodušení zadávání matic",
         "Description[de]": "Ein Assistent, um die Eingabe von Matrizen zu vereinfachen",
         "Description[el]": "Βοηθητικός διάλογος για απλούστευση εισαγωγής δεδομένων σε πίνακες",

src/assistants/linearalgebra/eigenvalues/eigenvaluesassistant.json

@@ -3,7 +3,7 @@
         "Dependencies": [],
         "Description": "An Assistant dialog to simplify calculating of Eigenvalues",
         "Description[ca@valencia]": "Un diàleg assistent per simplificar el càlcul d'autovalors",
-        "Description[ca]": "Un diàleg assistent per simplificar el càlcul d'autovalors",
+        "Description[ca]": "Un diàleg assistent per a simplificar el càlcul d'autovalors",
         "Description[cs]": "Pomocný dialog pro zjednodušení výpočtu vlastních čísel",
         "Description[de]": "Ein Assistent, um das Berechnen von „Eigen“-Werten zu vereinfachen.",
         "Description[el]": "Βοηθητικός διάλογος για απλούστευση του υπολογισμού ιδιοτιμών",

src/assistants/linearalgebra/eigenvectors/eigenvectorsassistant.json

@@ -3,7 +3,7 @@
         "Dependencies": [],
         "Description": "An Assistant dialog to simplify calculating of EigenVectors",
         "Description[ca@valencia]": "Un diàleg assistent per simplificar el càlcul d'autovectors",
-        "Description[ca]": "Un diàleg assistent per simplificar el càlcul d'autovectors",
+        "Description[ca]": "Un diàleg assistent per a simplificar el càlcul d'autovectors",
         "Description[cs]": "Pomocný dialog pro zjednodušení výpočtu vlastních vektorů",
         "Description[de]": "Ein Assistent, um das Berechnen von „Eigen“-Vektoren zu vereinfachen.",
         "Description[el]": "Βοηθητικός διάλογος για απλούστευση του υπολογισμού ιδιοδιανυσμάτων",

src/assistants/linearalgebra/invertmatrix/invertmatrixassistant.json

@@ -3,7 +3,7 @@
         "Dependencies": [],
         "Description": "An Assistant dialog to simplify inverting of matrices",
         "Description[ca@valencia]": "Un diàleg assistent per simplificar la inversió de matrius",
-        "Description[ca]": "Un diàleg assistent per simplificar la inversió de matrius",
+        "Description[ca]": "Un diàleg assistent per a simplificar la inversió de matrius",
         "Description[cs]": "Pomocný dialog pro zjednodušení invertování matice",
         "Description[de]": "Ein Assistent, um das Invertieren von Matrizen zu vereinfachen",
         "Description[el]": "Βοηθητικός διάλογος για απλούστευση της αντιστροφής πινάκων",

src/assistants/plot2d/plot2dassistant.json

@@ -3,7 +3,7 @@
         "Dependencies": [],
         "Description": "An Assistant dialog to simplify plotting of 2D functions",
         "Description[ca@valencia]": "Un diàleg assistent per simplificar la representació gràfica de funcions 2D",
-        "Description[ca]": "Un diàleg assistent per simplificar la representació gràfica de funcions 2D",
+        "Description[ca]": "Un diàleg assistent per a simplificar la representació gràfica de funcions en 2D",
         "Description[cs]": "Pomocný dialog pro zjednodušení vytvoření grafu dvourozměrných funkcí",
         "Description[de]": "Ein Assistent, um das Zeichnen von 2D-Funktionen zu vereinfachen",
         "Description[el]": "Βοηθητικός διάλογος για απλούστευση της σχεδίασης δισδιάστατων συναρτήσεων",

src/assistants/plot3d/plot3dassistant.json

@@ -3,7 +3,7 @@
         "Dependencies": [],
         "Description": "An Assistant dialog to simplify plotting of 3D functions",
         "Description[ca@valencia]": "Un diàleg assistent per simplificar la representació gràfica de funcions 3D",
-        "Description[ca]": "Un diàleg assistent per simplificar la representació gràfica de funcions 3D",
+        "Description[ca]": "Un diàleg assistent per a simplificar la representació gràfica de funcions en 3D",
         "Description[cs]": "Pomocný dialog pro zjednodušení vytvoření grafu trojrozměrných funkcí",
         "Description[de]": "Ein Assistent, um das Zeichnen von 3D-Funktionen zu vereinfachen",
         "Description[el]": "Βοηθητικός διάλογος για απλούστευση της σχεδίασης τρισδιάστατων συναρτήσεων",

src/assistants/runscript/runscriptassistant.json

@@ -3,7 +3,7 @@
         "Dependencies": [],
         "Description": "An Assistant for running an external Script file",
         "Description[ca@valencia]": "Un assistent per executar un fitxer de script extern",
-        "Description[ca]": "Un assistent per executar un fitxer de script extern",
+        "Description[ca]": "Un assistent per a executar un fitxer de script extern",
         "Description[cs]": "Pomocník pro spouštění externího skriptu",
         "Description[de]": "Ein Assistent zum Ausführen externer Skriptdateien",
         "Description[el]": "Βοηθητικός διάλογος για την εκτέλεση αρχείου εξωτερικού σεναρίου",

src/assistants/solve/solveassistant.json

@@ -3,7 +3,7 @@
         "Dependencies": [],
         "Description": "An Assistant dialog to simplify solving of equations",
         "Description[ca@valencia]": "Un diàleg assistent per simplificar la resolució d'equacions",
-        "Description[ca]": "Un diàleg assistent per simplificar la resolució d'equacions",
+        "Description[ca]": "Un diàleg assistent per a simplificar la resolució d'equacions",
         "Description[cs]": "Pomocný dialog pro zjednodušení řešení rovnic",
         "Description[de]": "Ein Assistent, um das Lösen von Gleichungen zu vereinfachen",
         "Description[el]": "Βοηθητικός διάλογος για απλούστευση της επίλυσης εξισώσεων",

src/backends/julia/juliasession.cpp

@@ -325,11 +325,10 @@ QString JuliaSession::graphicPackageErrorMessage(QString packageId) const
 
     if (packageId == QLatin1String("gr")) {
         return i18n(
-            "On this moment, integrated graphic can handle only one of Julia packages - GR graphic package. "
-            "And for using this feature you need to install the package first. "
-            "For this, run Pkg.install(\"GR\") in Cantor or in julia REPL. Also, it is important "
-            "to note, that this is a long operation and better use julia REPL, because Cantor doesn't "
-            "show intermediate text unlike the julia."
+            "For Julia only GR (https://gr-framework.org/), a framework for visualization applications, is supported at the moment. "
+            "This package has to be installed first, if not done yet. "
+            "For this, run Pkg.install(\"GR\") in Cantor or in Julia REPL. "
+            "Note, this operation can take some time and it's better to perform it in Julia REPL that is able to show the current progress of the package installation."
         );
     }
     return text;

src/backends/python/pythonbackend.json

@@ -3,7 +3,7 @@
         "Dependencies": [],
         "Description": "Backend for Python Scientific Programming",
         "Description[ca@valencia]": "Dorsal per a la programació científica Python",
-        "Description[ca]": "Dorsal per a la programació científica Python",
+        "Description[ca]": "Dorsal per a la programació científica en Python",
         "Description[el]": "Σύστημα υποστήριξης για το Python Scientific Programming",
         "Description[en_GB]": "Backend for Python Scientific Programming",
         "Description[es]": "Motor para programación científica en Python",
@@ -14,6 +14,7 @@
         "Description[nn]": "Motor for Pythons «Scientific Programming»",
         "Description[pt]": "Infra-Estrutura de Programação Científica com Python",
         "Description[pt_BR]": "Infraestrutura de programação científica Python",
+        "Description[sk]": "Backend pre vedecké programovanie v Python-e",
         "Description[sl]": "Zaledje za znanstveno programersko okolje Python",
         "Description[sv]": "Bakgrundsprogram för Python vetenskaplig programmeringsmiljö",
         "Description[uk]": "Модуль наукового програмування мовою Python",
@@ -35,6 +36,7 @@
         "Name[nn]": "Python",
         "Name[pt]": "Python",
         "Name[pt_BR]": "Python",
+        "Name[sk]": "Python",
         "Name[sl]": "Python",
         "Name[sv]": "Python",
         "Name[uk]": "Python",

src/backends/qalculate/plotassistant/qalculateplotassistant.json

@@ -3,7 +3,7 @@
         "Dependencies": [],
         "Description": "An Assistant for plotting with the Qalculate backend.",
         "Description[ca@valencia]": "Un assistent per fer gràfiques amb el dorsal del Qalculate.",
-        "Description[ca]": "Un assistent per fer gràfiques amb el dorsal del Qalculate.",
+        "Description[ca]": "Un assistent per a fer gràfiques amb el dorsal del Qalculate.",
         "Description[cs]": "Asistent pro grafy s podpůrnou vrstvou Qualculate.",
         "Description[de]": "Ein Assistent für das Plotten mit dem Qalculate-Modul.",
         "Description[el]": "Βοηθός σχεδίασης με το σύστημα υποστήριξης Qalculate",

src/imageentry.cpp

@@ -25,10 +25,12 @@
 
 #include <KLocalizedString>
 #include <QDebug>
+#include <QDir>
 #include <QMenu>
 #include <QFileSystemWatcher>
 #include <QJsonValue>
 #include <QJsonObject>
+#include <QStandardPaths>
 
 ImageEntry::ImageEntry(Worksheet* worksheet) : WorksheetEntry(worksheet)
 {
@@ -84,6 +86,20 @@ void ImageEntry::setContent(const QString& content)
 void ImageEntry::setContent(const QDomElement& content, const KZip& file)
 {
     Q_UNUSED(file);
+
+    QDomElement fileName = content.firstChildElement(QLatin1String("FileName"));
+    if (!fileName.isNull()) {
+        m_fileName = fileName.text();
+
+        const KArchiveEntry* imageEntry = file.directory()->entry(m_fileName);
+        if (imageEntry && imageEntry->isFile())
+        {
+            const KArchiveFile* imageFile = static_cast<const KArchiveFile*>(imageEntry);
+            const QString& dir = QStandardPaths::writableLocation(QStandardPaths::TempLocation);
+            imageFile->copyTo(dir);
+        }
+    }
+
     static QStringList unitNames;
     if (unitNames.isEmpty())
         unitNames << QLatin1String("(auto)") << QLatin1String("px") << QLatin1String("%");
@@ -153,10 +169,16 @@ QDomElement ImageEntry::toXml(QDomDocument& doc, KZip* archive)
     if (unitNames.isEmpty())
         unitNames << QLatin1String("(auto)") << QLatin1String("px") << QLatin1String("%");
 
+    archive->addLocalFile(m_imagePath, QUrl::fromLocalFile(m_imagePath).fileName());
+
     QDomElement image = doc.createElement(QLatin1String("Image"));
     QDomElement path = doc.createElement(QLatin1String("Path"));
+    QDomElement fileName = doc.createElement(QLatin1String("FileName"));
     QDomText pathText = doc.createTextNode(m_imagePath);
+    QDomText fileNameText = doc.createTextNode(QUrl::fromLocalFile(m_imagePath).fileName());
     path.appendChild(pathText);
+    fileName.appendChild(fileNameText);
+    image.appendChild(fileName);
     image.appendChild(path);
     QDomElement display = doc.createElement(QLatin1String("Display"));
     display.setAttribute(QLatin1String("width"), m_displaySize.width);
@@ -255,11 +277,25 @@ void ImageEntry::updateEntry()
         if (!m_imageItem)
             m_imageItem = new WorksheetImageItem(this);
 
-        if (m_imagePath.endsWith(QLatin1String(".eps"), Qt::CaseInsensitive)) {
-            m_imageItem->setEps(QUrl::fromLocalFile(m_imagePath));
+        // This if-else block was used for backward compability for *cws files
+        // without FileName tag. After some releases from 20.08 version, it will
+        // be possible to remove the else part and strip the m_imagePath from the
+        // code and Path tag from the CWS format
+        if (!m_fileName.isNull()) {
+            QString imagePath = QStandardPaths::writableLocation(QStandardPaths::TempLocation) + QDir::separator() + m_fileName;
+            if (imagePath.endsWith(QLatin1String(".eps"), Qt::CaseInsensitive)) {
+                m_imageItem->setEps(QUrl::fromLocalFile(imagePath));
+            } else {
+                QImage img(imagePath);
+                m_imageItem->setImage(img);
+            }
         } else {
-            QImage img(m_imagePath);
-            m_imageItem->setImage(img);
+            if (m_imagePath.endsWith(QLatin1String(".eps"), Qt::CaseInsensitive)) {
+                m_imageItem->setEps(QUrl::fromLocalFile(m_imagePath));
+            } else {
+                QImage img(m_imagePath);
+                m_imageItem->setImage(img);
+            }
         }
 
         if (!m_imageItem->imageIsValid()) {

src/imageentry.h

@@ -76,6 +76,7 @@ class ImageEntry : public WorksheetEntry
 
   private:
     QString m_imagePath;
+    QString m_fileName;
     ImageSize m_displaySize;
     ImageSize m_printSize;
     bool m_useDisplaySizeForPrinting;

src/panelplugins/filebrowserpanel/filebrowserpanelplugin.cpp

@@ -29,52 +29,52 @@
 #include <QUrl>
 #include <QDebug>
 #include <QFileInfo>
+#include <QWidget>
+#include <QVBoxLayout>
+#include <QPushButton>
+#include <QAction>
+#include <QLineEdit>
 
 #include <KParts/ReadOnlyPart>
 
-QFileSystemModel* FileBrowserPanelPlugin::model = nullptr;
-
 FileBrowserPanelPlugin::FileBrowserPanelPlugin(QObject* parent, const QList<QVariant>& args): Cantor::PanelPlugin(parent),
-    m_view(nullptr)
+    m_mainWidget(nullptr), m_treeview(nullptr), m_pathEdit(nullptr), m_model(nullptr), historyBackCount(0)
 {
     Q_UNUSED(args);
 
     KParts::ReadOnlyPart* part = dynamic_cast<KParts::ReadOnlyPart*>(parent->parent());
-    if (part)
-        m_dirRoot = QFileInfo(part->url().toLocalFile()).absoluteDir().absolutePath();
+    QString baseRootDir;
+    if (part && !part->url().isEmpty())
+        baseRootDir = QFileInfo(part->url().toLocalFile()).absoluteDir().absolutePath();
     else
-        m_dirRoot = QDir::currentPath();
+        baseRootDir = QDir::currentPath();
+    m_rootDirsHistory.push_back(baseRootDir);
 }
 
 FileBrowserPanelPlugin::~FileBrowserPanelPlugin()
 {
-    if (m_view)
-        m_view->deleteLater();;
+    if (m_mainWidget)
+    {
+        m_mainWidget->deleteLater();
+        m_treeview = nullptr;
+        m_pathEdit = nullptr;
+        m_model->deleteLater();
+    }
 }
 
 QWidget* FileBrowserPanelPlugin::widget()
 {
-    if (!m_view)
+    if (!m_mainWidget)
     {
-        if (!model)
-        {
-            model = new QFileSystemModel();
-            model->setRootPath(QDir::currentPath());
-        }
+        m_model = new QFileSystemModel();
+        m_model->setRootPath(m_rootDirsHistory.last());
 
-        m_view = new QTreeView();
-        m_view->setModel(model);
-        m_view->setRootIndex(model->index(m_dirRoot));
-        // First column is name with the dir tree
-        for (int i = 1; i < model->columnCount(); i++)
-            m_view->setColumnHidden(i, true);
-        m_view->header()->hide();
+        constructMainWidget();
 
-        connect(m_view, &QTreeView::doubleClicked, this, &FileBrowserPanelPlugin::handleDoubleClicked);
         connect(this, SIGNAL(requestOpenWorksheet(QUrl)), parent()->parent(), SIGNAL(requestOpenWorksheet(QUrl)));
     }
 
-    return m_view;
+    return m_mainWidget;
 }
 
 bool FileBrowserPanelPlugin::showOnStartup()
@@ -84,21 +84,143 @@ bool FileBrowserPanelPlugin::showOnStartup()
 
 void FileBrowserPanelPlugin::handleDoubleClicked(const QModelIndex& index)
 {
-    if (model->isDir(index))
-        return;
-
-    QVariant data = model->data(index, QFileSystemModel::FilePathRole);
+    QVariant data = m_model->data(index, QFileSystemModel::FilePathRole);
     if (data.isValid() && data.type() == QVariant::String)
     {
         const QString& filename = data.value<QString>();
-        const QUrl& url = QUrl::fromLocalFile(filename);
-
-        if (filename.endsWith(QLatin1String(".cws")) || filename.endsWith(QLatin1String(".ipynb")))
-            emit requestOpenWorksheet(url);
+        if (m_model->isDir(index))
+        {
+            moveFileBrowserRoot(filename);
+        }
         else
-            QDesktopServices::openUrl(url);
+        {
+            const QUrl& url = QUrl::fromLocalFile(filename);
+            if (filename.endsWith(QLatin1String(".cws")) || filename.endsWith(QLatin1String(".ipynb")))
+                emit requestOpenWorksheet(url);
+            else
+                QDesktopServices::openUrl(url);
+        }
     }
 }
 
+void FileBrowserPanelPlugin::constructMainWidget()
+{
+        m_mainWidget = new QWidget();
+
+        m_treeview = new QTreeView(m_mainWidget);
+        m_treeview->setModel(m_model);
+        m_treeview->setRootIndex(m_model->index(m_rootDirsHistory.last()));
+        m_treeview->setExpandsOnDoubleClick(false);
+        connect(m_treeview, &QTreeView::doubleClicked, this, &FileBrowserPanelPlugin::handleDoubleClicked);
+
+        // First column is name with the dir tree
+        // Show only the first column
+        for (int i = 1; i < m_model->columnCount(); i++)
+            m_treeview->setColumnHidden(i, true);
+        m_treeview->header()->hide();
+        m_treeview->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
+
+        QWidget* buttonContainer = new QWidget(m_mainWidget);
+
+        QPushButton* dirUpButton = new QPushButton(QIcon::fromTheme(QLatin1String("go-up")), QString(), buttonContainer);
+        dirUpButton->setMinimumSize(40, 40);
+        connect(dirUpButton, &QPushButton::clicked, this, &FileBrowserPanelPlugin::dirUpButtonHandle);
+
+        QPushButton* homeButton = new QPushButton(QIcon::fromTheme(QLatin1String("go-home")), QString(), buttonContainer);
+        homeButton->setMinimumSize(40, 40);
+        connect(homeButton, &QPushButton::clicked, this, &FileBrowserPanelPlugin::homeButtonHandle);
+
+        QPushButton* dirPreviousButton = new QPushButton(QIcon::fromTheme(QLatin1String("go-previous")), QString(), buttonContainer);
+        dirPreviousButton->setMinimumSize(40, 40);
+        connect(dirPreviousButton, &QPushButton::clicked, this, &FileBrowserPanelPlugin::dirPreviousButtonHandle);
+
+        QPushButton* dirNextButton = new QPushButton(QIcon::fromTheme(QLatin1String("go-next")), QString(), buttonContainer);
+        dirNextButton->setMinimumSize(40, 40);
+        connect(dirNextButton, &QPushButton::clicked, this, &FileBrowserPanelPlugin::dirNextButtonHandle);
+
+        m_pathEdit = new QLineEdit(m_rootDirsHistory.last(), buttonContainer);
+        connect(m_pathEdit, &QLineEdit::returnPressed, this, &FileBrowserPanelPlugin::setNewRootPath);
+        m_pathEdit->setMinimumHeight(40);
+        m_pathEdit->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
+
+        QHBoxLayout* horizontalLayout = new QHBoxLayout();
+        horizontalLayout->setDirection(QBoxLayout::LeftToRight);
+        horizontalLayout->addWidget(dirPreviousButton);
+        horizontalLayout->addWidget(dirUpButton);
+        horizontalLayout->addWidget(homeButton);
+        horizontalLayout->addWidget(dirNextButton);
+        horizontalLayout->addWidget(m_pathEdit);
+        horizontalLayout->setMargin(0);
+
+        buttonContainer->setLayout(horizontalLayout);
+        buttonContainer->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Preferred);
+
+        QVBoxLayout* layout = new QVBoxLayout();
+        layout->addWidget(buttonContainer);
+        layout->addWidget(m_treeview);
+
+        m_mainWidget->setLayout(layout);
+}
+
+void FileBrowserPanelPlugin::moveFileBrowserRoot(const QString& path)
+{
+    for (int i = 0; i < historyBackCount; i++)
+        m_rootDirsHistory.pop_back();
+    historyBackCount = 0;
+
+    m_rootDirsHistory.push_back(path);
+    setRootPath(path);
+}
+
+void FileBrowserPanelPlugin::setRootPath(const QString& path)
+{
+    m_model->setRootPath(path);
+    m_treeview->setRootIndex(m_model->index(path));
+    m_pathEdit->setText(path);
+}
+
+void FileBrowserPanelPlugin::dirUpButtonHandle()
+{
+    QDir dir(m_model->rootPath());
+    if (dir.cdUp())
+        moveFileBrowserRoot(dir.absolutePath());
+
+}
+
+void FileBrowserPanelPlugin::homeButtonHandle()
+{
+    moveFileBrowserRoot(QDir::homePath());
+}
+
+void FileBrowserPanelPlugin::dirNextButtonHandle()
+{
+    if (historyBackCount <= 0)
+        return;
+    historyBackCount -= 1;
+
+    const QString& newPath = m_rootDirsHistory[m_rootDirsHistory.size() - 1 - historyBackCount];
+
+    setRootPath(newPath);
+}
+
+void FileBrowserPanelPlugin::dirPreviousButtonHandle()
+{
+    if (historyBackCount >= m_rootDirsHistory.size() - 1)
+        return;
+    historyBackCount += 1;
+
+    const QString& newPath = m_rootDirsHistory[m_rootDirsHistory.size() - 1 - historyBackCount];
+    setRootPath(newPath);
+}
+
+void FileBrowserPanelPlugin::setNewRootPath()
+{
+    QString path = m_pathEdit->text();
+    QFileInfo info(path);
+    if (info.isDir())
+        moveFileBrowserRoot(path);
+}
+
+
 K_PLUGIN_FACTORY_WITH_JSON(filebrowserpanelplugin, "filebrowserpanelplugin.json", registerPlugin<FileBrowserPanelPlugin>();)
 #include "filebrowserpanelplugin.moc"

src/panelplugins/filebrowserpanel/filebrowserpanelplugin.h

@@ -21,11 +21,16 @@
 #ifndef _FILEBROWSERPANELPLUGIN_H
 #define _FILEBROWSERPANELPLUGIN_H
 
+#include <QVector>
+
 #include "panelplugin.h"
 
 class QTreeView;
+class QWidget;
 class QModelIndex;
 class QFileSystemModel;
+class QPushButton;
+class QLineEdit;
 
 class FileBrowserPanelPlugin : public Cantor::PanelPlugin
 {
@@ -43,11 +48,24 @@ class FileBrowserPanelPlugin : public Cantor::PanelPlugin
 
   private Q_SLOTS:
     void handleDoubleClicked(const QModelIndex&);
+    void dirPreviousButtonHandle();
+    void dirUpButtonHandle();
+    void homeButtonHandle();
+    void dirNextButtonHandle();
+    void setNewRootPath();
+
+  private:
+    void constructMainWidget();
+    void moveFileBrowserRoot(const QString& path);
+    void setRootPath(const QString& path);
 
   private:
-    QPointer<QTreeView> m_view;
-    QString m_dirRoot;
-    static QFileSystemModel* model;
+    QPointer<QWidget> m_mainWidget;
+    QPointer<QTreeView> m_treeview;
+    QPointer<QLineEdit> m_pathEdit;
+    QFileSystemModel* m_model;
+    QVector<QString> m_rootDirsHistory;
+    int historyBackCount;
 };
 
 #endif /* _FILEBROWSERPANELPLUGIN_H */

src/panelplugins/filebrowserpanel/filebrowserpanelplugin.json

@@ -2,10 +2,26 @@
     "KPlugin": {
         "Dependencies": [],
         "Description": "A panel for working with files inside Cantor",
+        "Description[ca]": "Un plafó per a treballar amb fitxers dins del Cantor",
+        "Description[fr]": "Un panneau pour travailler avec les fichiers à l'intérieur de Cantor",
+        "Description[nl]": "Een paneel in Cantor voor het werken met bestanden",
+        "Description[pt]": "Um painel para lidar com ficheiros dentro do Cantor",
+        "Description[sk]": "Panel na prácu zo súbormi vo vnútri Cantor",
+        "Description[sv]": "En panel för att arbeta med filer inne i Cantor",
+        "Description[uk]": "Панель для роботи з файлами у вікні Cantor",
+        "Description[x-test]": "xxA panel for working with files inside Cantorxx",
         "Icon": "",
         "Id": "FileBrowserPanel",
         "License": "GPL",
         "Name": "File Browser",
+        "Name[ca]": "Navegador de fitxers",
+        "Name[fr]": "Navigateur de fichiers",
+        "Name[nl]": "Bestanden bladeren",
+        "Name[pt]": "Gestor de Ficheiros",
+        "Name[sk]": "Prehliadač súborov",
+        "Name[sv]": "Filbläddrare",
+        "Name[uk]": "Навігація файлами",
+        "Name[x-test]": "xxFile Browserxx",
         "ServiceTypes": [
             "Cantor/PanelPlugin"
         ]