public FolderNodeViewModel(ResourceNode node, ResourceNodeViewModel parent)
{
Node = node;
Name = node.Name;
foreach (var child in Node.ChildNodes)
{
ResourceNodeViewModel model;
if (child.Item is ResourceFolder)
{
model = new FolderNodeViewModel(child, this);
}
else if (child.Item is Palette)
{
model = new PaletteNodeViewModel(child, this);
}
else if (child.Item is DataSource)
{
model = new DataFileNodeViewModel(child, this);
}
else if (child.Item is Arranger)
{
model = new ArrangerNodeViewModel(child, this);
}
else
{
continue;
}
Children.Add(model);
}
ParentModel = parent;
}
/// <summary>
/// Traverses the tree and sorts the result so that the deepest nodes are at the front of the result and root at the back
/// </summary>
/// <param name="rootNode"></param>
/// <returns></returns>
public static IEnumerable <ResourceNodeViewModel> BottomUpTraversal(this ResourceNodeViewModel rootNode)
{
if (rootNode is null)
{
return(Enumerable.Empty <ResourceNodeViewModel>());
}
return(rootNode.SelfAndDescendants()
.OrderByDescending(x => x.Ancestors().Count()));
}
public static IEnumerable <ResourceNodeViewModel> Ancestors(this ResourceNodeViewModel node)
{
ResourceNodeViewModel nodeVisitor = node.ParentModel;
while (nodeVisitor != null)
{
yield return(nodeVisitor);
nodeVisitor = nodeVisitor.ParentModel;
}
}
public static IEnumerable <ResourceNodeViewModel> SelfAndDescendants(this ResourceNodeViewModel node)
{
var nodeStack = new Stack <ResourceNodeViewModel>();
nodeStack.Push(node);
while (nodeStack.Count > 0)
{
var popNode = nodeStack.Pop();
yield return(popNode);
foreach (var child in popNode.Children)
{
nodeStack.Push(child);
}
}
}
public PaletteNodeViewModel(ResourceNode node, ResourceNodeViewModel parent)
{
Node = node;
Name = node.Name;
ParentModel = parent;
}
public AddScatteredArrangerEvent(ResourceNodeViewModel parent)
{
Parent = parent;
}
public RequestRemoveTreeNodeEvent(ResourceNodeViewModel treeNode)
{
TreeNode = treeNode;
}
public DataFileNodeViewModel(ResourceNode node, ResourceNodeViewModel parent)
{
Node = node;
Name = node.Name;
ParentModel = parent;
}
public AddPaletteEvent(ResourceNodeViewModel parent)
{
Parent = parent;
}
public ArrangerNodeViewModel(ResourceNode node, ResourceNodeViewModel parent)
{
Node = node;
Name = node.Name;
ParentModel = parent;
}
public AddDataFileEvent(ResourceNodeViewModel parent)
{
Parent = parent;
}
