Remove redundant code

src/panelplugins/documentationpanel/documentationpanelplugin.cpp

@@ -44,7 +44,6 @@ QWidget* DocumentationPanelPlugin::widget()
     if(!m_widget)
     {
         m_widget = new DocumentationPanelWidget(session(), parentWidget());
-        qDebug() << backendName();
         connect(parent()->parent(), SIGNAL(requestDocumentation(QString)), m_widget, SLOT(contextSensitiveHelp(QString)));
         connect(parent()->parent(), SIGNAL(requestDocumentation(QString)), this, SIGNAL(visibilityRequested()));
     }

src/panelplugins/documentationpanel/documentationpanelwidget.cpp

@@ -80,12 +80,17 @@ DocumentationPanelWidget::DocumentationPanelWidget(Cantor::Session* session, QWi
     m_tabWidget->addTab(container, i18n("Search"));
 
     m_textBrowser = new QWebEngineView(this);
-    const QByteArray contents = m_engine->fileData(QUrl(QLatin1String("qthelp://org.kde.cantor/doc/maxima.html#SEC_Top"))); // set initial page contents
-    m_textBrowser->setContent(contents, QLatin1String("text/html;charset=UTF-8"));
-    m_textBrowser->show();
 
-    //const QByteArray contents = m_engine->fileData(QUrl(QLatin1String("qthelp://org.kde.cantor/doc/figures/plotting1.png")));
-    //m_textBrowser->setContent(contents, QLatin1String("image/png;charset=UTF-8"));
+    // set initial page contents, otherwise page is blank
+    QByteArray contents;
+
+    if(m_backend == QLatin1String("Maxima"))
+         contents = m_engine->fileData(QUrl(QLatin1String("qthelp://org.kde.cantor/doc/maxima.html#SEC_Top")));
+    else if(m_backend == QLatin1String("Octave"))
+         contents = m_engine->fileData(QUrl(QLatin1String("qthelp://org.octave.interpreter-1.0/doc/octave.html/index.html")));
+
+    m_textBrowser->setContent(contents, QLatin1String("text/html;charset=UTF-8"));
+    m_textBrowser->hide();
 
     m_splitter = new QSplitter(Qt::Horizontal, this);
     m_splitter->addWidget(m_tabWidget);
@@ -113,7 +118,7 @@ void DocumentationPanelWidget::displayHelp(const QUrl& url)
     m_textBrowser->show();
 
     qDebug() << url;
-    //display the actual keyword contents, not the header topic
+
     const QModelIndex index = m_engine->indexWidget()->currentIndex();
     const QString indexText = index.data(Qt::DisplayRole).toString();
     qDebug() << indexText << "index pressed";
@@ -143,12 +148,6 @@ void DocumentationPanelWidget::loadDocumentation()
     m_engine->registerDocumentation(fileName);
 }
 
-void DocumentationPanelWidget::unloadDocumentation()
-{
-    //Call this function when the user changes the current backend
-    m_engine->unregisterDocumentation(QLatin1String("org.kde.cantor"));
-}
-
 QString DocumentationPanelWidget::backendName() const
 {
     return m_backend;

src/panelplugins/documentationpanel/documentationpanelwidget.h

@@ -48,7 +48,6 @@ class DocumentationPanelWidget : public QWidget
     QString backendName() const;
 
     void loadDocumentation();
-    void unloadDocumentation();
 
   public:
     Cantor::Session* m_session;