Do not add a menu if the examples cannot be found.

This is not only a waste of ressources, but breaks a check later on
which tries to load the QML examples from Creators ressource path
if no QML capable Qt version is found (included with Creator packages)

Reviewed-by: dt
(cherry picked from commit a41876cd4105869e3a830523d7172f1804f285c9)

3 files changed, 16 insertions, 10 deletions

diff --git a/share/qtcreator/declarative b/share/qtcreator/declarative
new file mode 120000
index 0000000000..286404c10d
--- /dev/null
+++ b/share/qtcreator/declarative
@@ -0,0 +1 @@
+examples/declarative/
\ No newline at end of file
diff --git a/share/qtcreator/examples b/share/qtcreator/examples
new file mode 120000
index 0000000000..d5679a7d34
--- /dev/null
+++ b/share/qtcreator/examples
@@ -0,0 +1 @@
+/home/danimo/dev/qt-4.7/examples/
\ No newline at end of file
diff --git a/src/plugins/qt4projectmanager/gettingstartedwelcomepagewidget.cpp b/src/plugins/qt4projectmanager/gettingstartedwelcomepagewidget.cpp
index 58a25be523..a8a74ddff9 100644
--- a/src/plugins/qt4projectmanager/gettingstartedwelcomepagewidget.cpp
+++ b/src/plugins/qt4projectmanager/gettingstartedwelcomepagewidget.cpp
@@ -175,8 +175,6 @@ void GettingStartedWelcomePageWidget::updateQmlExamples(const QString &examplePa
                                                         const QString &sourcePath)
 {
     ui->qmlExamplesButton->setText(tr("Choose an example..."));
-    QMenu *menu = new QMenu(ui->qmlExamplesButton);
-    ui->qmlExamplesButton->setMenu(menu);
 
     QStringList roots;
     roots << (examplePath + QLatin1String("/declarative"))
@@ -197,14 +195,20 @@ void GettingStartedWelcomePageWidget::updateQmlExamples(const QString &examplePa
             exampleProjects.insert(fileName, exampleProject);
         }
     }
-    QMapIterator<QString, QString> it(exampleProjects);
-    while (it.hasNext()) {
-        it.next();
-        QAction *exampleAction = menu->addAction(it.key());
-        connect(exampleAction, SIGNAL(triggered()), SLOT(slotOpenExample()));
-        exampleAction->setProperty(ExamplePathPropertyName, it.value());
-        // FIXME once we have help for QML examples
-        // exampleAction->setProperty(HelpPathPropertyName, helpPath);
+
+    if (!exampleProjects.isEmpty()) {
+        QMenu *menu = new QMenu(ui->qmlExamplesButton);
+        ui->qmlExamplesButton->setMenu(menu);
+
+        QMapIterator<QString, QString> it(exampleProjects);
+        while (it.hasNext()) {
+            it.next();
+            QAction *exampleAction = menu->addAction(it.key());
+            connect(exampleAction, SIGNAL(triggered()), SLOT(slotOpenExample()));
+            exampleAction->setProperty(ExamplePathPropertyName, it.value());
+            // FIXME once we have help for QML examples
+            // exampleAction->setProperty(HelpPathPropertyName, helpPath);
+        }
     }
 
     ui->qmlExamplesButton->setEnabled(!exampleProjects.isEmpty());