public override void Deleted(ITab <UIntPtr> nodes)
{
#if DEBUG
MaxListener.PrintToListener("NodeEventCallback > Deleted");
#endif
List <BaseTreeNode> deletedNodes = new List <BaseTreeNode>();
for (int i = 0; i < nodes.Count; i++)
{
UIntPtr nodeHandle = nodes[(IntPtr)i];
List <BaseTreeNode> baseTreeNodes = NodeControl.HandleMap.GetTreeNodesByHandle(nodeHandle);
foreach (BaseTreeNode baseTreeNode in baseTreeNodes)
{
if (baseTreeNode != null)
{
deletedNodes.Add(baseTreeNode);
}
}
}
try
{
ListView.BeginUpdate();
NodeControl.Destroy.DeleteTreeNodes(deletedNodes);
}
catch
{
throw new Exception();
}
finally
{
ListView.EndUpdate();
}
}
private void onSystemPostReset(Object sender, SystemNotificationObjectEventArgs e)
{
#if DEBUG
MaxListener.PrintToListener("onSystemPostReset");
#endif
try
{
ListView.BeginUpdate();
NodeControl.Create.BuildSceneTree();
}
catch
{
throw new Exception();
}
finally
{
ListView.EndUpdate();
}
}
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();
}
}
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();
}
}
// 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();
}
//TODO:
// Perhaps move this to a new class / node control. It's pretty huge.
// Use MaxLayers static class to manipulate max objects instead of in code here.
/// <summary>
/// Isolate selected TreeNodes in Nested Layer Manager.
/// Any TreeNode that is not isolated is disabled, and the respective node hidden in Max.
/// </summary>
/// <param name="sender">An NLMCheckButton that contains a checked property.</param>
/// <param name="e">NLM Button Event Args, that contain a pointer to the listview.</param>
public static void onIsolateSelection(Object sender, ClickEventArgs e)
{
// If the sender is not an NLMCheckButton, the request has come from somewhere else (right click or shortcut).
// For this reason, change the check state of the button UI which will raise this event again.
if (!(sender is NlmCheckButton))
{
e.ListView.ButtonPanelLeft.IsolateSelectedButton.Checked = !e.ListView.ButtonPanelLeft.IsolateSelectedButton.Checked;
return;
}
NlmTreeListView listView = e.ListView;
NlmCheckButton button = sender as NlmCheckButton;
// Pause UI from refreshing.
try
{
listView.BeginUpdate();
// Isolate selected if button checked.
if (button.Checked)
{
// This method has some serious processing going on, so hashsets are used to maximise performance.
// Calculate all enabled nodes and disabled nodes.
HashSet <BaseTreeNode> enabledNodes = new HashSet <BaseTreeNode>(listView.NodeControl.Query.SelectionAndAllChildNodes);
HashSet <BaseTreeNode> disabledNodes = new HashSet <BaseTreeNode>(listView.NodeControl.Query.AllNodes.Where(x => !enabledNodes.Contains(x)));
// Disable disabled nodes.
listView.DisableObjects(disabledNodes);
// Now we need to work out what maxNodes and layers to temporarily hide.
// Firstly, get the highest selected objects.
IEnumerable <ObjectTreeNode> selectedNodes = listView.NodeControl.Query.SelectedAncestors
.Where(x => (x is ObjectTreeNode)).Cast <ObjectTreeNode>();
HashSet <IILayer> onLayers = new HashSet <IILayer>();
// If objects are selected, we need to ensure that the layer is not hidden.
// If any objects are selected, append the layer to the onLayers hashset.
foreach (ObjectTreeNode objectTreeNode in selectedNodes)
{
IINode maxNode = MaxAnimatable.GetAnimByHandle(objectTreeNode.Handle) as IINode;
if (maxNode == null)
{
continue;
}
IILayer layer = MaxLayers.GetLayer(maxNode);
if (!onLayers.Contains(layer))
{
onLayers.Add(layer);
}
}
// Ensure that the layer is on so that objects are visible.
// The layer is only turned on if an object is selected, and no ancestor is selected.
// For any object that is not selected, the object needs to be hidden.
foreach (IILayer layer in onLayers)
{
if (layer.IsHidden)
{
#if Max2013 || Max2014
layer.IsHidden = false;
#endif
#if Max2015
layer.Hide(false, false);
#endif
}
foreach (IINode maxNode in MaxLayers.GetChildNodes(layer))
{
UIntPtr maxNodeHandle = MaxAnimatable.GetHandleByAnim(maxNode);
if (!selectedNodes.Any(x => (x).Handle == maxNodeHandle) && !maxNode.IsObjectHidden)
{
listView.DisabledHandles.Add(maxNodeHandle);
maxNode.Hide(true);
}
}
}
// Loop through all layers that should be turned off.
// If the layer should be hidden (because it is not in onLayers or in enabledLayers), hide it.
IEnumerable <LayerTreeNode> enabledLayers = enabledNodes.Where(x => (x is LayerTreeNode)).Cast <LayerTreeNode>();
IEnumerable <IILayer> offLayers = MaxLayers.Layers.Where(x => !onLayers.Contains(x));
foreach (IILayer layer in offLayers)
{
UIntPtr layerHandle = MaxAnimatable.GetHandleByAnim(layer);
if (!layer.IsHidden && !enabledLayers.Any(x => (x).Handle == layerHandle))
{
#if Max2013 || Max2014
layer.IsHidden = true;
#endif
#if Max2015
layer.Hide(true, false);
#endif
listView.DisabledHandles.Add(layerHandle);
}
}
}
// Remove isolation and restore state if unchecked.
else
{
// Enable all objects.
listView.EnableObjects(listView.DisabledObjects);
// Turn on all handles that were turned off.
foreach (UIntPtr handle in listView.DisabledHandles)
{
IAnimatable maxAnim = MaxAnimatable.GetAnimByHandle(handle);
IILayer maxLayer = maxAnim as IILayer;
if (maxLayer != null)
{
#if Max2013 || Max2014
maxLayer.IsHidden = false;
#endif
#if Max2015
maxLayer.Hide(false, false);
#endif
continue;
}
IINode maxNode = maxAnim as IINode;
if (maxNode != null)
{
maxNode.Hide(false);
continue;
}
}
// Clear list of handles.
listView.DisabledHandles.Clear();
}
}
catch
{
throw new Exception();
}
finally
{
listView.EndUpdate();
}
MaxUI.RedrawViewportsNow();
}
public Boolean Click(OlvListViewHitTestInfo hti)
{
if (hti.ColumnIndex > 0)
{
if (hti.Column == ListView.NlmColumns.ColorColumn)
{
// Should the check states be changed on the selection, or on an item outside of selection.
// If inside selection, suppress change in selection by returning true.
// If outside selection, change the single item and return false.
if (hti.Item.Selected)
{
NlmMaxColorPicker colorPicker = new NlmMaxColorPicker(hti, true, ListView);
colorPicker.ShowModeless();
return(true);
}
else
{
NlmMaxColorPicker colorPicker = new NlmMaxColorPicker(hti, false, ListView);
colorPicker.ShowModeless();
// Returning false annoyingly pushes the window to the back.
// TODO: Somehow make this dialog modal, or at least parented to 3ds Max, and sort out the focus issue.
return(true);
}
}
if (hti.Column == ListView.NlmColumns.CurrentColumn)
{
BaseTreeNode treeNode = hti.RowObject as BaseTreeNode;
if (treeNode is LayerTreeNode)
{
ListView.BeginUpdate();
hti.Column.PutValue(treeNode, true);
ListView.EndUpdate();
}
return(hti.Item.Selected);
}
else
{
Boolean htiItemSelected = hti.Item.Selected;
INLMColumn column = hti.Column as INLMColumn;
// Should the check states be changed on the selection, or on an item outside of selection.
// If inside selection, suppress change in selection by returning true.
// If outside selection, change the single item and return false.
if (htiItemSelected)
{
column.AspectEngine.ToggleCheckStates(hti.RowObject);
ListView.RefreshObjects(ListView.SelectedObjects);
}
else
{
column.AspectEngine.ToggleCheckState(hti.RowObject);
ListView.RefreshObject(hti.RowObject);
}
MaxUI.RedrawViewportsNow();
return(htiItemSelected);
}
}
return(false);
// Returning true means selection does not change, returning false means it does.
}
