diff --git a/ark/app/mainwindow.cpp b/ark/app/mainwindow.cpp
index 4723e4a3..4c7d08a9 100644
--- a/ark/app/mainwindow.cpp
+++ b/ark/app/mainwindow.cpp
@@ -251,9 +251,10 @@ void MainWindow::newArchive()
 
     kDebug() << "Supported mimetypes are" << mimeTypes.join( QLatin1String( " " ));
 
-    const KUrl saveFileUrl =
-        KFileDialog::getSaveUrl(KUrl("kfiledialog:///ArkNewDir"),
-                                mimeTypes.join(QLatin1String(" ")));
+    const KUrl saveFileUrl = KFileDialog::getSaveUrl(
+        KUrl("kfiledialog:///ArkNewDir"),
+        mimeTypes.join(QLatin1String(" "))
+    );
 
     m_openArgs.metaData()[QLatin1String( "createNewArchive" )] = QLatin1String( "true" );
 
diff --git a/ark/part/part.cpp b/ark/part/part.cpp
index 7e04b9b6..fa35f7bf 100644
--- a/ark/part/part.cpp
+++ b/ark/part/part.cpp
@@ -390,29 +390,37 @@ KAboutData* Part::createAboutData()
 
 bool Part::openFile()
 {
-    const QString localFile(localFilePath());
+    const QString localFile = localFilePath();
     const QFileInfo localFileInfo(localFile);
     const bool creatingNewArchive =
         arguments().metaData()[QLatin1String("createNewArchive")] == QLatin1String("true");
 
     if (localFileInfo.isDir()) {
-        KMessageBox::error(NULL, i18nc("@info",
-                                       "<tt>%1</tt> is a directory.",
-                                       localFile));
+        KMessageBox::error(
+            NULL,
+            i18nc("@info", "<tt>%1</tt> is a directory.", localFile)
+        );
         return false;
     }
 
     if (creatingNewArchive) {
         if (localFileInfo.exists()) {
-            int overwrite =  KMessageBox::questionYesNo(NULL, i18nc("@info", "The archive <tt>%1</tt> already exists. Would you like to open it instead?", localFile), i18nc("@title:window", "File Exists"), KGuiItem(i18n("Open File")), KStandardGuiItem::cancel());
-
+            int overwrite =  KMessageBox::questionYesNo(
+                NULL,
+                i18nc("@info", "The archive <tt>%1</tt> already exists. Would you like to open it instead?", localFile),
+                i18nc("@title:window", "File Exists"), KGuiItem(i18n("Open File")), KStandardGuiItem::cancel()
+            );
             if (overwrite == KMessageBox::No) {
                 return false;
             }
         }
     } else {
         if (!localFileInfo.exists()) {
-            KMessageBox::sorry(NULL, i18nc("@info", "The archive <tt>%1</tt> was not found.", localFile), i18nc("@title:window", "Error Opening Archive"));
+            KMessageBox::sorry(
+                NULL,
+                i18nc("@info", "The archive <tt>%1</tt> was not found.", localFile),
+                i18nc("@title:window", "Error Opening Archive")
+            );
             return false;
         }
     }
@@ -440,7 +448,7 @@ bool Part::openFile()
         QStringList mimeComments(mimeTypes.values());
         mimeComments.sort();
 
-        bool ok;
+        bool ok = false;
         QString item;
 
         if (creatingNewArchive) {
@@ -465,7 +473,11 @@ bool Part::openFile()
     }
 
     if (!archive) {
-        KMessageBox::sorry(NULL, i18nc("@info", "Ark was not able to open the archive <tt>%1</tt>. No plugin capable of handling the file was found.", localFile), i18nc("@title:window", "Error Opening Archive"));
+        KMessageBox::sorry(
+            NULL,
+            i18nc("@info", "Ark was not able to open the archive <tt>%1</tt>. No plugin capable of handling the file was found.", localFile),
+            i18nc("@title:window", "Error Opening Archive")
+        );
         return false;
     }
 
@@ -499,7 +511,11 @@ void Part::slotLoadingFinished(KJob *job)
 {
     if (job->error() != KJob::NoError) {
         if (arguments().metaData()[QLatin1String( "createNewArchive" )] != QLatin1String( "true" )) {
-            KMessageBox::sorry(NULL, i18nc("@info", "Loading the archive <tt>%1</tt> failed with the following error: <i>%2</i>", localFilePath(), job->errorText()), i18nc("@title:window", "Error Opening Archive"));
+            KMessageBox::sorry(
+                NULL,
+                i18nc("@info", "Loading the archive <tt>%1</tt> failed with the following error: <i>%2</i>", localFilePath(), job->errorText()),
+                i18nc("@title:window", "Error Opening Archive")
+            );
 
             // The file failed to open, so reset the open archive, info panel and caption.
             m_model->setArchive(NULL);
@@ -585,8 +601,7 @@ void Part::slotPreviewExtracted(KJob *job)
     //        if there's an error or an overwrite dialog,
     //        the preview dialog will be launched anyway
     if (!job->error()) {
-        const ArchiveEntry& entry =
-            m_model->entryForIndex(m_view->selectionModel()->currentIndex());
+        const ArchiveEntry& entry = m_model->entryForIndex(m_view->selectionModel()->currentIndex());
 
         ExtractJob *extractJob = qobject_cast<ExtractJob*>(job);
         Q_ASSERT(extractJob);
@@ -799,8 +814,7 @@ void Part::slotAddFiles(const QStringList& filesToAdd, const QString& path)
         return;
     }
 
-    connect(job, SIGNAL(result(KJob*)),
-            this, SLOT(slotAddFilesDone(KJob*)));
+    connect(job, SIGNAL(result(KJob*)), this, SLOT(slotAddFilesDone(KJob*)));
     registerJob(job);
     job->start();
 }
@@ -842,6 +856,8 @@ void Part::slotAddFilesDone(KJob* job)
 {
     if (job->error() != KJob::NoError) {
         KMessageBox::error(widget(), job->errorString());
+    } else {
+        setModified();
     }
 }
 
@@ -849,6 +865,8 @@ void Part::slotDeleteFilesDone(KJob* job)
 {
     if (job->error() != KJob::NoError) {
         KMessageBox::error(widget(), job->errorString());
+    } else {
+        setModified();
     }
 }
 
@@ -869,8 +887,7 @@ void Part::slotDeleteFiles()
     }
 
     DeleteJob *job = m_model->deleteFiles(selectedFilesWithChildren());
-    connect(job, SIGNAL(result(KJob*)),
-            this, SLOT(slotDeleteFilesDone(KJob*)));
+    connect(job, SIGNAL(result(KJob*)), this, SLOT(slotDeleteFilesDone(KJob*)));
     registerJob(job);
     job->start();
 }
@@ -899,15 +916,20 @@ void Part::saveSplitterSizes()
 
 void Part::slotSaveAs()
 {
-    KUrl saveUrl = KFileDialog::getSaveUrl(KUrl(QLatin1String( "kfiledialog:///ArkSaveAs/" ) + url().fileName()), QString(), widget());
+    KUrl saveUrl = KFileDialog::getSaveUrl(
+        KUrl(QLatin1String( "kfiledialog:///ArkSaveAs/" ) + url().fileName()),
+        QString(),
+        widget()
+    );
 
     if ((saveUrl.isValid()) && (!saveUrl.isEmpty())) {
         if (KIO::NetAccess::exists(saveUrl, KIO::NetAccess::DestinationSide, widget())) {
-            int overwrite = KMessageBox::warningContinueCancel(widget(),
-                                                               i18nc("@info", "An archive named <tt>%1</tt> already exists. Are you sure you want to overwrite it?", saveUrl.fileName()),
-                                                               QString(),
-                                                               KStandardGuiItem::overwrite());
-
+            int overwrite = KMessageBox::warningContinueCancel(
+                widget(),
+                i18nc("@info", "An archive named <tt>%1</tt> already exists. Are you sure you want to overwrite it?", saveUrl.fileName()),
+                QString(),
+                KStandardGuiItem::overwrite()
+            );
             if (overwrite != KMessageBox::Continue) {
                 return;
             }
@@ -917,9 +939,10 @@ void Part::slotSaveAs()
 
         if (!QFile::exists(localFilePath())) {
             if (url().isLocalFile()) {
-                KMessageBox::error(widget(),
-                                   i18nc("@info", "The archive <tt>%1</tt> cannot be copied to the specified location. The archive does not exist anymore.", localFilePath()));
-
+                KMessageBox::error(
+                    widget(),
+                    i18nc("@info", "The archive <tt>%1</tt> cannot be copied to the specified location. The archive does not exist anymore.", localFilePath())
+                );
                 return;
             } else {
                 srcUrl = url();
@@ -929,8 +952,10 @@ void Part::slotSaveAs()
         KIO::Job *copyJob = KIO::file_copy(srcUrl, saveUrl, -1, KIO::Overwrite);
 
         if (!KIO::NetAccess::synchronousRun(copyJob, widget())) {
-            KMessageBox::error(widget(),
-                               i18nc("@info", "The archive could not be saved as <tt>%1</tt>. Try saving it to another location.", saveUrl.pathOrUrl()));
+            KMessageBox::error(
+                widget(),
+                i18nc("@info", "The archive could not be saved as <tt>%1</tt>. Try saving it to another location.", saveUrl.pathOrUrl())
+            );
         }
     }
 }
diff --git a/ark/part/part.h b/ark/part/part.h
index 291bdb7b..750c10b7 100644
--- a/ark/part/part.h
+++ b/ark/part/part.h
@@ -55,10 +55,11 @@ public:
 
     Part(QWidget *parentWidget, QObject *parent, const QVariantList &);
     ~Part();
+
     static KAboutData* createAboutData();
 
-    virtual bool openFile();
-    virtual bool saveFile();
+    bool openFile() final;
+    bool saveFile() final;
 
     bool isBusy() const;