public void WHEN_FoldingExist_THEN_FoldingRestored()
{
var nodeC = myPresentation.Graph.Nodes.Single(n => n.Id == "c");
var module = myPresentation.GetModule <TransformationModule>();
myPresentation.ClusterFolding().Toggle("X17");
Assert.That(module.Items.OfType <ClusterFoldingTransformation>().Single().Clusters, Is.EquivalentTo(new[] { "X17" }));
var bookmark = myBuilder.Create(myPresentation, "test");
Assert.That(bookmark, Is.Not.Null);
// unfold again to be sure that folding comes really from bookmark
myPresentation.ClusterFolding().Toggle("X17");
myBuilder.Apply(myPresentation, bookmark);
Assert.That(module.Items.OfType <ClusterFoldingTransformation>().Single().Clusters, Is.EquivalentTo(new[] { "X17" }));
}
public static void ToogleFoldingOfVisibleClusters(this IGraphPresentation presentation)
{
Contract.RequiresNotNull(presentation, nameof(presentation));
var transformation = presentation.ClusterFolding();
var visibleClusters = presentation.TransformedGraph().Clusters
.Where(presentation.Picking.Pick)
.Select(c => c.Id)
.ToList();
// any visible cluster folded?
if (visibleClusters.Any(transformation.Clusters.Contains))
{
// safe to pass nodes not known to transformation
transformation.Remove(visibleClusters);
}
else
{
transformation.Add(visibleClusters);
}
}
private void OnAddCluster(ClusterTreeNode parent)
{
// avoid many intermediate updates
myTransformationsObserver.ModuleChanged -= OnTransformationsChanged;
var newClusterId = Guid.NewGuid().ToString();
var captionModule = myPresentation.GetModule <ICaptionModule>();
captionModule.Add(new Caption(newClusterId, "<new>"));
myPresentation.DynamicClusters().AddCluster(newClusterId);
// start new clusters folded
myPresentation.ClusterFolding().Toggle(newClusterId);
// update tree
{
var clusterNode = new ClusterTreeNode(myPresentation)
{
Parent = Root,
Id = newClusterId,
Caption = captionModule.Get(newClusterId).DisplayText,
IsDragAllowed = false
};
Root.Children.Add(clusterNode);
// register for notifications after tree is built to avoid intermediate states getting notified
PropertyChangedEventManager.AddHandler(clusterNode, OnSelectionChanged, PropertySupport.ExtractPropertyName(() => clusterNode.IsSelected));
// nothing ot update
//myNodeClusterCache = null;
}
Root.Children.Single(n => n.Id == newClusterId).IsSelected = true;
myTransformationsObserver.ModuleChanged += OnTransformationsChanged;
}
