Health check: Show a message if everything is healthy

Fixes #551

Author: wolframroesler

src/gui/reports/ReportsWidgetHealthcheck.cpp

@@ -202,14 +202,29 @@ void ReportsWidgetHealthcheck::showEvent(QShowEvent* event)
 
 void ReportsWidgetHealthcheck::calculateHealth()
 {
+    m_referencesModel->clear();
+
     const QScopedPointer<Health> health(AsyncTask::runAndWaitForFuture([this] { return new Health(m_db); }));
+    if (health->items().empty()) {
 
-    m_referencesModel->clear();
-    m_referencesModel->setHorizontalHeaderLabels(QStringList() << tr("") << tr("Title") << tr("Path") << tr("Reason"));
+        // No findings
+        m_referencesModel->clear();
+        m_referencesModel->setHorizontalHeaderLabels(QStringList() << tr("Title"));
+        auto row = QList<QStandardItem*>();
+        row << new QStandardItem(tr("Congratulations, everything is healthy!"));
+        m_referencesModel->appendRow(row);
 
-    m_row2entry.clear();
-    for (const auto& item : health->items()) {
-        addHealthRow(item.health, *item.group, *item.entry);
+        QBrush brush("green");
+        m_referencesModel->item(0, 0)->setForeground(brush);
+
+    } else {
+
+        // Show our findings
+        m_referencesModel->setHorizontalHeaderLabels(QStringList()
+                                                     << tr("") << tr("Title") << tr("Path") << tr("Reason"));
+        for (const auto& item : health->items()) {
+            addHealthRow(item.health, *item.group, *item.entry);
+        }
     }
 
     m_ui->healthcheckTableView->resizeRowsToContents();