still compiling

helloqube/myitemmodel.cpp

@@ -20,6 +20,64 @@ int MyItemModel::columnCount(const QModelIndex &parent) const{
     return root->columnCount();
 }
 
+QVariant MyItemModel::data(const QModelIndex &index, int role) const{
+    if (!index.isValid()){
+        return QVariant();
+    }
+    if (role != Qt::DisplayRole){
+        return QVariant();
+    }
+    TreeItem* item = static_cast<TreeItem*>(index.internalPointer());
+    return item->data(index.column());
+}
+
+QVariant MyItemModel::headerData(int section, Qt::Orientation orientation, int role) const{
+    //Im tutorial stand mehr. erstmal ignorieren.
+    return root->data(section);
+}
+
+QModelIndex MyItemModel::index(int row, int column, const QModelIndex& parent) const{
+    if (!hasIndex(row, column, parent)){
+        return QModelIndex();
+    }
+    TreeItem* parentItem;
+
+    if (!parent.isValid()){
+        parentItem = root;
+    } else{
+        parentItem = static_cast<TreeItem*>(parent.internalPointer());
+    }
+
+    TreeItem* childItem = parentItem->getChild(row);
+    if (childItem){
+        return createIndex(row, column, childItem);
+    }else{
+        return QModelIndex();
+    }
+}
+
+QModelIndex MyItemModel::parent(const QModelIndex &index) const{
+    if (!index.isValid()){
+        return QModelIndex();
+    }
+
+    TreeItem* childItem = static_cast<TreeItem*>(index.internalPointer());
+    TreeItem* parentItem = childItem->getParent();
+    if (parentItem == root){
+        return QModelIndex();
+    }else{
+        return createIndex(parentItem->childNumber(), 0, parentItem);
+    }
+}
+
+//enable editing and selection.
+Qt::ItemFlags MyItemModel::flags(const QModelIndex &index) const{
+    if (!index.isValid()){
+        return 0;
+    }else{
+        return Qt::ItemIsEditable | QAbstractItemModel::flags(index);
+    }
+}
 
 //Helferfunktion
 TreeItem* MyItemModel::getItem(const QModelIndex& index) const{

helloqube/myitemmodel.h

@@ -14,6 +14,14 @@ public:
     int rowCount(const QModelIndex& parent = QModelIndex()) const Q_DECL_OVERRIDE;
     int columnCount(const QModelIndex& parent = QModelIndex()) const Q_DECL_OVERRIDE;
 
+    QVariant data(const QModelIndex &index, int role) const Q_DECL_OVERRIDE;
+
+    Qt::ItemFlags flags(const QModelIndex &index) const Q_DECL_OVERRIDE;
+
+    QVariant headerData(int section, Qt::Orientation orientation, int role) const Q_DECL_OVERRIDE;
+    QModelIndex index(int row, int column, const QModelIndex &parent) const Q_DECL_OVERRIDE;
+    QModelIndex parent(const QModelIndex &index) const Q_DECL_OVERRIDE;
+
 private:
     TreeItem* root;