public override void OnNodesRemoved(ITabularObject parent, params ITabularObject[] children)
{
if (UpdateLocks > 0)
{
structureChangedItems.AddIfNotExists(parent);
return;
}
else
{
NodesRemoved?.Invoke(this, new TreeModelEventArgs(GetPath(parent), children));
}
}
/// <summary>
/// Fires 'nodes removed' event on the main thread context
/// </summary>
/// <param name="nodes">Collection of removed nodes</param>
internal void FireOnNodesRemoved(IReadOnlyCollection <IAstNode> nodes)
{
Check.InvalidOperation(() => Thread.CurrentThread.ManagedThreadId == _ownerThread, _threadCheckMessage);
try {
// Don't bother if list is empty
if (nodes.Count > 0)
{
NodesRemoved?.Invoke(this, new TreeNodesRemovedEventArgs(nodes));
}
} catch (Exception ex) {
Debug.Assert(false, Invariant($"Exception thrown in a tree.NodesRemoved event handler: {ex.Message}"));
}
}
/// <summary>
/// Fires 'nodes removed' event on the main thread context
/// </summary>
/// <param name="nodes">Collection of removed nodes</param>
internal void FireOnNodesRemoved(IReadOnlyCollection <IAstNode> nodes)
{
if (_ownerThread != Thread.CurrentThread.ManagedThreadId)
{
Debug.Fail(_threadContextInvalidMessage);
return;
}
try {
// Don't bother if list is empty
if (nodes.Count > 0)
{
NodesRemoved?.Invoke(this, new TreeNodesRemovedEventArgs(nodes));
}
} catch (Exception ex) {
Debug.Assert(false, Invariant($"Exception thrown in a tree.NodesRemoved event handler: {ex.Message}"));
}
}
public override void OnNodesRemoved(ITabularObject parent, params ITabularObject[] children)
{
if (UpdateLocks > 0)
{
structureChangedItems.AddIfNotExists(parent);
return;
}
else
{
if (!string.IsNullOrEmpty(Filter) && FilterMode == FilterMode.Flat)
{
StructureChanged?.Invoke(this, new TreePathEventArgs());
}
else
{
NodesRemoved?.Invoke(this, new TreeModelEventArgs(GetPath(parent), children));
}
}
}
public void RemoveNodes(int numNodes)
{
RailSegmentPositions.RemoveAt(0);
nodes.RemoveRange(0, numNodes);
NodesRemoved?.Invoke(this, numNodes);
}
public void OnNodeRemoved(Node parent, int index, Node node)
{
TreeModelEventArgs args = new TreeModelEventArgs(GetPath(parent), new[] { index }, new object[] { node });
NodesRemoved?.Invoke(this, args);
}
public void NotifyNodesRemoved(TreePath path, INode[] nodes, int[] indices)
{
NodesRemoved?.Invoke(this, new TreeModelEventArgs(path, indices, nodes));
Changed?.Invoke(this, EventArgs.Empty);
}