packages without structure are invalid

src/plasma/package.cpp

@@ -75,6 +75,10 @@ Package &Package::operator=(const Package &rhs)
 
 bool Package::isValid() const
 {
+    if (!d->structure) {
+        return false;
+    }
+
     if (d->checkedValid) {
         return d->valid;
     }

src/scriptengines/qml/plasmoid/appletinterface.cpp

@@ -105,7 +105,6 @@ void AppletInterface::init()
     engine->setNetworkAccessManagerFactory(new PackageAccessManagerFactory(m_appletScriptEngine->package()));
 
     m_qmlObject->setSource(QUrl::fromLocalFile(m_appletScriptEngine->mainScript()));
-    
 
     if (!m_qmlObject->engine() || !m_qmlObject->engine()->rootContext() || !m_qmlObject->engine()->rootContext()->isValid() || m_qmlObject->mainComponent()->isError()) {
         QString reason;

src/shell/qmlpackages/desktop/contents/views/Desktop.qml

@@ -24,7 +24,7 @@ import org.kde.plasma.core 0.1 as PlasmaCore
 
 Rectangle {
     id: root
-    color: Qt.rgba(0,0,0,64); // translucent black
+    color: "black"
     width: 640
     height: 480
 

src/shell/qmlpackages/desktop/contents/views/Panel.qml

@@ -31,7 +31,7 @@ PlasmaCore.FrameSvgItem {
     property Item containment
 
     onContainmentChanged: {
-        print("New Containment: " + containment)
+        print("New panel Containment: " + containment)
         //containment.parent = root
         containment.visible = true
         containment.anchors.fill = root

src/shell/view.cpp

@@ -101,6 +101,7 @@ void View::setContainment(Plasma::Containment *cont)
     }
 
     QObject *graphicObject = m_containment.data()->property("graphicObject").value<QObject *>();
+
     if (graphicObject) {
         qDebug() << "using as graphic containment" << graphicObject << m_containment.data();