Provide a way to get to the ApplicationDomainType base class

QVariant doesn't support polymorphism for non-QObject classes.

3 files changed, 8 insertions, 2 deletions

diff --git a/common/clientapi.h b/common/clientapi.h
index edf42e4..074aabc 100644
--- a/common/clientapi.h
+++ b/common/clientapi.h
@@ -45,7 +45,8 @@ public:
 
     enum Roles {
         DomainObjectRole = Qt::UserRole + 1, //Must be the same as in ModelResult
-        ChildrenFetchedRole
+        ChildrenFetchedRole,
+        DomainObjectBaseRole
     };
 
     /**
diff --git a/common/modelresult.cpp b/common/modelresult.cpp
index c7fcd49..4fd8d97 100644
--- a/common/modelresult.cpp
+++ b/common/modelresult.cpp
@@ -71,6 +71,10 @@ QVariant ModelResult<T, Ptr>::data(const QModelIndex &index, int role) const
         Q_ASSERT(mEntities.contains(index.internalId()));
         return QVariant::fromValue(mEntities.value(index.internalId()));
     }
+    if (role == DomainObjectBaseRole) {
+        Q_ASSERT(mEntities.contains(index.internalId()));
+        return QVariant::fromValue(mEntities.value(index.internalId()). template staticCast<Akonadi2::ApplicationDomain::ApplicationDomainType>());
+    }
     if (role == ChildrenFetchedRole) {
         return childrenFetched(index);
     }
diff --git a/common/modelresult.h b/common/modelresult.h
index 700064b..298e157 100644
--- a/common/modelresult.h
+++ b/common/modelresult.h
@@ -34,7 +34,8 @@ class ModelResult : public QAbstractItemModel
 public:
     enum Roles {
         DomainObjectRole = Qt::UserRole + 1,
-        ChildrenFetchedRole
+        ChildrenFetchedRole,
+        DomainObjectBaseRole
     };
 
     ModelResult(const Akonadi2::Query &query, const QList<QByteArray> &propertyColumns);