public override bool CanDrag(ITreeNode node)
        {
            if (node == null)
            {
                return(false);
            }

            return(node.IsAnImplementationOf <SimulationNode>() ||
                   node.IsAnImplementationOf <ComparisonNode>() ||
                   node.IsAnImplementationOf <ClassificationNode>() ||
                   _parameterAnalysablesInExplorerPresenter.CanDrag(node));
        }
        public override bool CanDrag(ITreeNode node)
        {
            if (node == null)
            {
                return(false);
            }

            var tag = node.TagAsObject;

            if (tag.IsAnImplementationOf <DataRepository>())
            {
                return(true);
            }

            return(node.IsAnImplementationOf <SimulationNode>() ||
                   node.IsAnImplementationOf <ClassificationNode>() ||
                   _parameterAnalysablesInExplorerPresenter.CanDrag(node));
        }