Failure message if session cannot be started

1 files changed, 13 insertions, 10 deletions

diff --git a/src/dialog.cpp b/src/dialog.cpp
index 2d6fecf..cfb3fae 100644
--- a/src/dialog.cpp
+++ b/src/dialog.cpp
@@ -1,4 +1,7 @@
 #include "dialog.h"
+
+#include <QMessageBox>
+
 #include "ui_dialog.h"
 #include "save_restore_session.h"
 #include "sessiontreeitem.h"
@@ -14,7 +17,8 @@ Dialog::Dialog(QWidget *parent)
     if (ifaceDBus_->isValid()) {
         // PVS is running
         QStringList accessOptions;
-        accessOptions << trUtf8("None") << trUtf8("View Only") << trUtf8("Full");
+        accessOptions <<trUtf8("None") << trUtf8("View Only") <<
+                trUtf8("Full");
         ui->comboBoxLecturer->insertItems(0, accessOptions);
         ui->comboBoxOthers->insertItems(0, accessOptions);
 
@@ -43,17 +47,17 @@ void Dialog::changeEvent(QEvent *e) {
 }
 
 void Dialog::on_treeView_activated(QModelIndex index) {
-    // TODO handle failures
-    // TODO get rid of this->entries, storing them in the model should be enough
-    // alternatively use references instead of copies?
+    // this method gets called when a Session has been activated
 
     SessionTreeItem* item =
             static_cast<SessionTreeItem*>(index.internalPointer());
 
     const Session* s(item->session());
     if (!s) {
+        // no valid session has been selected, do nothing
         return;
     }
+
     if (s->run()) {
         if (ifaceDBus_->isValid()) {
             writePVSSettings();
@@ -61,15 +65,15 @@ void Dialog::on_treeView_activated(QModelIndex index) {
         writeSessionName(s->shortDescription());
         close();
     } else {
-        // TODO: error instead of close
-        close();
+        QMessageBox::warning(
+                this, trUtf8("vmchooser"),
+                trUtf8("Vmchooser failed to run the selected session!");
     }
 }
 
 void Dialog::addItems(const QList<Session*>& entries, const QString& section) {
     this->model_->addItems(entries, section);
 
-    // TODO: do this only once?
     ui->treeView->setModel(model_);
     ui->treeView->expandAll();
 }
@@ -79,7 +83,6 @@ void Dialog::on_pushButtonAbort_clicked() {
 }
 
 void Dialog::on_pushButtonStart_clicked() {
-    // TODO: check if a model is selected
     this->on_treeView_activated(ui->treeView->selectionModel()->currentIndex());
 }
 
@@ -147,14 +150,14 @@ void Dialog::writePVSSettings() {
 }
 
 void Dialog::on_comboBoxLecturer_currentIndexChanged(int index) {
-    // TODO: may others have more access than lecturer?
+    // TODO (Jan): may others have more access than lecturer?
     if (index < ui->comboBoxOthers->currentIndex()) {
         ui->comboBoxOthers->setCurrentIndex(index);
     }
 }
 
 void Dialog::on_comboBoxOthers_currentIndexChanged(int index) {
-    // TODO: may others have more access than lecturer?
+    // TODO (Jan): may others have more access than lecturer?
     if (index > ui->comboBoxLecturer->currentIndex()) {
         ui->comboBoxLecturer->setCurrentIndex(index);
     }