public IHierarchyNode(AtlasHierarchy hierarchy, IHierarchyNode parent, int level)
{
Hierarchy = hierarchy;
Children = new List<IHierarchyNode>();
Level = level;
GraphNodeViewModel = null;
}
/// <summary>
///
/// </summary>
/// <param name="node"></param>
/// <returns>Returns whether the sub-tree has been fully expanded in the hierarchy.</returns>
public override void GenerateSubTree(IHierarchyNode node) {
ArtistHierarchyNode subTreeNode = (ArtistHierarchyNode) node;
ArtistGroup relatedArtistList = Client.GetRelatedArtists(subTreeNode.ArtistViewModel.Artist.ID);
//First determine which artists are new; add those.
int nodesAdded = 0;
foreach (Artist relatedArtist in relatedArtistList.Artists)
{
if (NodeDictionary.ContainsKey(relatedArtist.Name))
continue;
if (nodesAdded < AddChildrenLimit)
{
ArtistViewModel artistViewModel = new ArtistViewModel(relatedArtist);
ArtistHierarchyNode relatedArtistNode = new ArtistHierarchyNode(artistViewModel, this, subTreeNode, subTreeNode.Level + 1);
subTreeNode.Children.Add(relatedArtistNode);
NodeDictionary.Add(relatedArtist.Name, relatedArtistNode);
nodesAdded++;
}
else
{
return;
}
}
}
public void GetNodesAtLevel(int level, IHierarchyNode targetNode, ref List<IHierarchyNode> levelNodeList)
{
foreach (IHierarchyNode childNode in targetNode.Children)
{
if (childNode.Level == level)
levelNodeList.Add(childNode);
else
GetNodesAtLevel(level, childNode, ref levelNodeList);
}
}
public void GetNodesAtLevel(int level, IHierarchyNode targetNode, ref List <IHierarchyNode> levelNodeList)
{
foreach (IHierarchyNode childNode in targetNode.Children)
{
if (childNode.Level == level)
{
levelNodeList.Add(childNode);
}
else
{
GetNodesAtLevel(level, childNode, ref levelNodeList);
}
}
}
public bool HasChild(IHierarchyNode node)
{
if (Children.Contains(node)) return true;
bool isChild = false;
Children.ForEach(child =>
{
if (child.HasChild(node))
{
isChild = true;
}
});
return isChild;
}
public ArtistNetworkNodeViewModel(
ArtistViewModel viewModel,
AtlasHierarchy hierarchy,
IHierarchyNode hierarchyNode,
IPlaylistView playlist)
: base(viewModel.Name)
{
ArtistViewModel = viewModel;
Debug.Assert(hierarchyNode is ArtistHierarchyNode);
_hierarchyNode = (ArtistHierarchyNode) hierarchyNode;
_hierarchy = hierarchy;
_playlist = playlist;
_numTracks = GetArtistTrackCount();
IsHighlighted = SpotifyCacheService.IsArtistFollowed(ArtistViewModel.Artist);
}
public override void GenerateSubTree(IHierarchyNode node) {
//New Release Items do not have sub-trees.
return;
}
public abstract void GenerateSubTree(IHierarchyNode node);
public ArtistHierarchyNode(ArtistViewModel artistViewModel, AtlasHierarchy hierarchy, IHierarchyNode parent, int level)
: base(hierarchy, parent, level)
{
ArtistViewModel = artistViewModel;
}
public abstract void GenerateSubTree(IHierarchyNode node);
