public static void onCreateFolder(Object sender, ClickEventArgs e)
{
NlmTreeListView listView = e.ListView;
// Calculate unique name in current level.
IEnumerable <FolderTreeNode> folderNodes = listView.NodeControl.Query.FolderNodes;
String folderName = "Folder";
Int32 index = 1;
while (folderNodes.Any(x => x.Name == folderName + index.ToString("000")))
{
index += 1;
}
folderName += index.ToString("000");
// Create folder node.
FolderTreeNode folderTreeNode = new FolderTreeNode(folderName);
// Get parent node.
BaseTreeNode parentTreeNode = null;
if (listView.SelectedObjects.Count > 0)
{
BaseTreeNode treeNode = listView.SelectedObjects[0] as BaseTreeNode;
if (treeNode is FolderTreeNode)
{
parentTreeNode = treeNode;
}
if (treeNode is LayerTreeNode)
{
parentTreeNode = treeNode.Parent;
}
}
// Add folder to listview, ensure is visible by expanding parents.
listView.AddObject(folderTreeNode, parentTreeNode);
if (parentTreeNode != null)
{
listView.Expand(parentTreeNode);
}
// Scroll to new item.
Int32 parentIndex = listView.IndexOf(folderTreeNode);
if (parentIndex != -1)
{
listView.EnsureVisible(parentIndex);
}
// Sort, select, and begin edit.
listView.Sort(listView.NlmColumns.NameColumn, SortOrder.Ascending);
listView.SelectedObjects = new List <Object> {
folderTreeNode
};
listView.EditModel(folderTreeNode);
}
private static void onCreateLayer(Object sender, ClickEventArgs e, Boolean addSelection)
{
NlmTreeListView listView = e.ListView;
listView.NodeControl.MaxEvents.LayerEvents.LayerCreated.UnregisterNotification();
IILayer layer = MaxLayers.CreateLayer(true, addSelection);
UIntPtr handle = MaxAnimatable.GetHandleByAnim(layer);
LayerTreeNode layerTreeNode = new LayerTreeNode(handle, listView.NodeControl.HandleMap);
// Get parent node.
BaseTreeNode parentTreeNode = null;
if (listView.SelectedObjects.Count > 0)
{
BaseTreeNode treeNode = listView.SelectedObjects[0] as BaseTreeNode;
if (treeNode is FolderTreeNode)
{
parentTreeNode = treeNode;
}
if (treeNode is LayerTreeNode)
{
parentTreeNode = treeNode.Parent;
}
}
// Add folder to listview, ensure is visible by expanding parents.
listView.AddObject(layerTreeNode, parentTreeNode);
if (parentTreeNode != null)
{
listView.Expand(parentTreeNode);
}
// Scroll to new item.
Int32 parentIndex = listView.IndexOf(layerTreeNode);
if (parentIndex != -1)
{
listView.EnsureVisible(parentIndex);
}
// Sort, select
listView.Sort(listView.NlmColumns.NameColumn, SortOrder.Ascending);
listView.SelectedObjects = new List <Object> {
layerTreeNode
};
// Focus on the listview to ensure text entry goes to the edit box, and begin edit.
listView.Focus();
listView.EditModel(layerTreeNode);
// Register notification.
listView.NodeControl.MaxEvents.LayerEvents.LayerCreated.RegisterNotification();
}
private void onNodeCreated(object sender, SystemNotificationAnimEventArgs e)
{
#if DEBUG
MaxListener.PrintToListener("onNodeCreated");
#endif
try
{
ListView.BeginUpdate();
List <BaseTreeNode> refreshNodes = new List <BaseTreeNode>();
foreach (UIntPtr handle in e.Handles)
{
IAnimatable anim = MaxAnimatable.GetAnimByHandle(handle);
if (anim == null)
{
return;
}
IINode node = anim as IINode;
IILayer layer = MaxLayers.GetLayer(node);
UIntPtr layerHandle = MaxAnimatable.GetHandleByAnim(layer);
ObjectTreeNode.ObjectClass objectClass = MaxNodes.GetObjectClass(node);
List <BaseTreeNode> layerTreeNodes = NodeControl.HandleMap.GetTreeNodesByHandle(layerHandle);
foreach (BaseTreeNode layerTreeNode in layerTreeNodes)
{
ObjectTreeNode objectTreeNode = new ObjectTreeNode(objectClass, handle, NodeControl.HandleMap);
NodeControl.Parent.AddChild(objectTreeNode, layerTreeNode, false);
if (!refreshNodes.Contains(layerTreeNode))
{
refreshNodes.Add(layerTreeNode);
}
}
}
MaxListener.PrintToListener(refreshNodes.Count.ToString());
ListView.RefreshObjects(refreshNodes);
ListView.Sort(ListView.NlmColumns.NameColumn, SortOrder.Ascending);
}
catch
{
throw new Exception();
}
finally
{
ListView.EndUpdate();
}
}
private void onLayerCreated(Object sender, SystemNotificationAnimEventArgs e)
{
#if DEBUG
MaxListener.PrintToListener("onLayerCreated");
#endif
List <LayerTreeNode> createdNodes = new List <LayerTreeNode>();
foreach (UIntPtr handle in e.Handles)
{
// TODO: Add handlemap ref to this class.
// LayerTreeNode newNode = NodeControl.Create.CreateTreeNode(NlmTreeNode.NodeClass.Layer, handle);
LayerTreeNode newNode = new LayerTreeNode(handle, NodeControl.HandleMap);
createdNodes.Add(newNode);
}
ListView.AddObjects(createdNodes);
ListView.Sort(ListView.NlmColumns.NameColumn, SortOrder.Ascending);
}
public override void LayerChanged(ITab <UIntPtr> nodes)
{
#if DEBUG
MaxListener.PrintToListener("NodeEventCallback > LayerChanged");
#endif
List <BaseTreeNode> deleteNodes = new List <BaseTreeNode>();
List <Tuple <BaseTreeNode, BaseTreeNode> > addNodes = new List <Tuple <BaseTreeNode, BaseTreeNode> >();
for (int i = 0; i < nodes.Count; i++)
{
UIntPtr maxNodeHandle = nodes[(IntPtr)i];
IINode maxNode = MaxAnimatable.GetAnimByHandle(maxNodeHandle) as IINode;
IILayer maxLayer = MaxLayers.GetLayer(maxNode);
UIntPtr layerHandle = MaxAnimatable.GetHandleByAnim(maxLayer);
// We need to handle the following scenarios:
// An object being moved to another layer.
// Objects on instances layers moving to uninstanced layers.
// Objects on uninstanced layers moving to instanced layers.
// The easiest way to do this is to remove old object nodes and create new ones.
// This should be pretty fast, and this event should fire relatively rarely,
// but it may have to be rethought if it's too slow.
// First we remove the old nodes.
List <BaseTreeNode> objectTreeNodes = NodeControl.HandleMap.GetTreeNodesByHandle(maxNodeHandle);
deleteNodes.AddRange(objectTreeNodes);
// Then we add the object node to the new layer.
List <BaseTreeNode> layerTreeNodes = NodeControl.HandleMap.GetTreeNodesByHandle(layerHandle);
foreach (BaseTreeNode layerTreeNode in layerTreeNodes)
{
ObjectTreeNode newObjectTreeNode = new ObjectTreeNode(MaxNodes.GetObjectClass(maxNode), maxNodeHandle, NodeControl.HandleMap);
addNodes.Add(new Tuple <BaseTreeNode, BaseTreeNode> (newObjectTreeNode, layerTreeNode));
}
}
// And finally we actually do the update all at once.
NodeControl.Destroy.DeleteTreeNodes(deleteNodes);
foreach (Tuple <BaseTreeNode, BaseTreeNode> tuple in addNodes)
{
NodeControl.Parent.AddChild(tuple.Item1, tuple.Item2, false);
}
// And sort :)
ListView.Sort(ListView.NlmColumns.NameColumn, SortOrder.Ascending);
}
public static void onAddSelectedObjectsToLayer(Object sender, ClickEventArgs e)
{
// TODO:
// This is quite slow compared to the NodeEventCallback LayerChanged. Look at that for tips.
// Do we really need BeginUpdate and EndUpdate? Calculate which objects to refresh.
// Also fix crappy bug where adding children to an expanded layer does not redraw properly.
NlmTreeListView listView = e.ListView;
try
{
listView.BeginUpdate();
IList selection = listView.SelectedObjects;
if (selection.Count == 1)
{
LayerTreeNode layerTreeNode = selection[0] as LayerTreeNode;
if (layerTreeNode != null)
{
List <BaseTreeNode> moveTreeNodes = new List <BaseTreeNode>();
IAnimatable layerAnim = MaxAnimatable.GetAnimByHandle(layerTreeNode.Handle);
foreach (IINode maxNode in MaxNodes.SelectedNodes)
{
UIntPtr maxNodeHandle = MaxAnimatable.GetHandleByAnim(maxNode as IAnimatable);
List <BaseTreeNode> treeNodes = listView.NodeControl.HandleMap.GetTreeNodesByHandle(maxNodeHandle);
foreach (BaseTreeNode treeNode in treeNodes)
{
moveTreeNodes.Add(treeNode);
}
MaxNodes.MoveNodeToLayer(maxNode, layerAnim as IILayer);
}
listView.NodeControl.Parent.MoveTreeNodes(moveTreeNodes, layerTreeNode);
}
}
listView.Sort(listView.NlmColumns.NameColumn, SortOrder.Ascending);
}
catch
{
throw new Exception();
}
finally
{
e.ListView.EndUpdate();
}
}
public static void onInstanceSelectedLayers(Object sender, ClickEventArgs e)
{
NlmTreeListView listView = e.ListView;
// Multiple items are being added, so let's use BeginUpdate.
try
{
listView.BeginUpdate();
foreach (BaseTreeNode treeNode in listView.SelectedObjects)
{
LayerTreeNode layerTreeNode = treeNode as LayerTreeNode;
if (layerTreeNode != null)
{
LayerTreeNode newLayerTreeNode = new LayerTreeNode(layerTreeNode.Handle, listView.NodeControl.HandleMap);
foreach (ObjectTreeNode objectTreeNode in treeNode.Children)
{
ObjectTreeNode newObjectTreeNode = new ObjectTreeNode(objectTreeNode.Class, objectTreeNode.Handle, listView.NodeControl.HandleMap);
newObjectTreeNode.Parent = newLayerTreeNode;
newLayerTreeNode.Children.Add(newObjectTreeNode);
}
//foreach (LayerTreeNode instanceNode in layerTreeNode.Instances)
//{
// instanceNode.Instances.Add(newLayerTreeNode);
// newLayerTreeNode.Instances.Add(instanceNode);
//}
//layerTreeNode.Instances.Add(newLayerTreeNode);
//newLayerTreeNode.Instances.Add(layerTreeNode);
listView.AddObject(newLayerTreeNode, treeNode.Parent);
}
}
listView.Sort(listView.NlmColumns.NameColumn, SortOrder.Ascending);
}
catch
{
throw new Exception();
}
finally
{
listView.EndUpdate();
}
}
public void BuildSceneTree()
{
// Create list of tree nodes to append to control.
// Create folder node hashtable and use ID as key.
// The hashtable is used to reparent nodes using stored parent ID's.
List <BaseTreeNode> treeNodeList = new List <BaseTreeNode>();
Hashtable folderNodeIdMap = new Hashtable();
List <FolderData> folderNodeDataList = MaxIO.LoadFolderRootNodeData();
// These methods add the nodes to the tree node list.
if (folderNodeDataList != null)
{
// We only add folder nodes if the data list obtained is not null.
BuildFolderNodes(treeNodeList, folderNodeDataList, folderNodeIdMap);
}
BuildLayerAndObjectNodes(treeNodeList, MaxLayers.Layers, folderNodeIdMap);
// Finally, add the list to the listview.
ListView.Roots = treeNodeList;
ListView.NodeControl.CollapseExpand.ExpandWasExpanded(treeNodeList);
// And now sort :)
ListView.Sort(ListView.NlmColumns.NameColumn, SortOrder.Ascending);
}
// Move nodes to new parent after a drag drop operation.
private void DragDropMoveNodes(BaseTreeNode target, IList dragNodes)
{
IList selection = ListView.SelectedObjects;
ListView.BeginUpdate();
MaxEvents.NodeEvents.Unregister();
IEnumerable <BaseTreeNode> dragNodesEnum = dragNodes.Cast <BaseTreeNode>();
// Are layers or folders being dropped on layers?
// If so, make the target the parent of the target.
if (dragNodesEnum.All(x => x is LayerTreeNode) && target is LayerTreeNode || dragNodesEnum.All(x => x is FolderTreeNode) && target is LayerTreeNode)
{
target = target.Parent;
}
// Are objects being dropped on objects?
// If so, make the target the parent of the target.
if (dragNodesEnum.All(x => x is ObjectTreeNode) && target is ObjectTreeNode)
{
target = target.Parent;
}
// Do we move to the root or move under a treeNode?
// If the target is null, we have to move to root.
if (target != null && target is LayerTreeNode)
{
// Move the treenodes in the listView.
NodeParentEngine.MoveTreeNodes(dragNodes.Cast <BaseTreeNode>().ToList(), target);
//TODO:
//IEnumerable<UIntPtr> handles = dragNodes.Cast<IEnumerable<BaseTreeNode>>()
// .Where(x => x is ObjectTreeNode)
// .Cast<ObjectTreeNode>()
// .Select(x => x.Handle);
// Move nodes to new layer in max.
List <UIntPtr> handles = new List <UIntPtr>();
foreach (BaseTreeNode child in dragNodes)
{
ObjectTreeNode objectChild = child as ObjectTreeNode;
if (objectChild != null)
{
handles.Add(objectChild.Handle);
}
}
IILayer layer = MaxAnimatable.GetAnimByHandle(((LayerTreeNode)target).Handle) as IILayer;
if (layer != null)
{
MaxNodes.MoveNodesToLayer(handles, layer);
}
}
else
{
NodeParentEngine.MoveTreeNodes(dragNodes.Cast <BaseTreeNode>().ToList(), target);
}
MaxEvents.NodeEvents.Register();
// Default after drop behaviour tries to select nodes based on itemIndex. As nodes have moved this does not work.
// Instead, return saved selection to SelectedObjects property, and make sure dropped Objects are visible.
if (!ListView.IsExpanded(target))
{
ListView.Expand(target);
}
ListView.Sort(ListView.NlmColumns.NameColumn, SortOrder.Ascending);
ListView.SelectedObjects = selection;
ListView.EndUpdate();
}
