/// <summary>
/// Hides / Unhides all IILayer objects.
/// </summary>
public static void HideUnhideAll()
{
Boolean isHidden = false;
IILayerManager LayerManager = GlobalInterface.Instance.COREInterface13.LayerManager;
for (int i = 0; i < LayerManager.LayerCount; i++)
{
IILayer layer = LayerManager.GetLayer(i);
if (!layer.IsHidden)
{
isHidden = true;
}
}
for (int i = 0; i < LayerManager.LayerCount; i++)
{
IILayer layer = LayerManager.GetLayer(i);
#if Max2013 || Max2014
layer.IsHidden = isHidden;
#endif
#if Max2015
layer.Hide(isHidden, false);
#endif
}
MaxUI.RedrawViewportsNow();
}
public override void PutMaxValue(BaseTreeNode treeNode, Object newValue)
{
ObjectTreeNode objectTreeNode = treeNode as ObjectTreeNode;
if (objectTreeNode != null)
{
IINode maxNode = MaxAnimatable.GetAnimByHandle(objectTreeNode.Handle) as IINode;
if (maxNode != null)
{
maxNode.Hide(!(Boolean)newValue);
}
}
LayerTreeNode layerTreeNode = treeNode as LayerTreeNode;
if (layerTreeNode != null)
{
IILayer maxLayer = MaxAnimatable.GetAnimByHandle(layerTreeNode.Handle) as IILayer;
#if Max2013 || Max2014
if (maxLayer != null)
{
maxLayer.IsHidden = !(Boolean)newValue;
}
#endif
#if Max2015
if (maxLayer != null)
{
maxLayer.Hide(!(Boolean)newValue, false);
}
#endif
}
}
//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();
}