public void OnNodeInserted(TreeModelEventArgs args)
{
if (NodesInserted != null)
{
NodesInserted(this, args);
}
}
public void OnNodeRemoved(TreeModelEventArgs args)
{
if (NodesRemoved != null)
{
NodesRemoved(this, args);
}
}
private void ClearNodesSize(TreeModelEventArgs e, TreeNodeAdv parent)
{
if (e.Indices != null)
{
foreach (int index in e.Indices)
{
if (index >= 0 && index < parent.Nodes.Count)
{
TreeNodeAdv node = parent.Nodes[index];
node.Height = node.RightBounds = null;
}
else
{
throw new ArgumentOutOfRangeException("Index out of range");
}
}
}
else
{
foreach (TreeNodeAdv node in parent.Nodes)
{
foreach (object obj in e.Children)
{
if (node.Tag == obj)
{
node.Height = node.RightBounds = null;
}
}
}
}
}
public void OnNodesChanged(TreeModelEventArgs args)
{
if (NodesChanged != null)
{
NodesChanged(this, args);
}
}
protected void OnNodesRemoved(TreeModelEventArgs args)
{
if (NodesRemoved != null)
{
NodesRemoved(this, args);
}
}
internal void OnNodeRemoved(Node parent, int index, Node node)
{
if (NodesRemoved != null)
{
TreeModelEventArgs args = new TreeModelEventArgs(GetPath(parent), new int[] { index }, new object[] { node });
NodesRemoved(this, args);
}
}
protected void NotifyModel()
{
TreeModel model = FindModel();
if (model != null && Parent != null)
{
TreePath path = model.GetPath(Parent);
if (path != null)
{
TreeModelEventArgs args = new TreeModelEventArgs(path, new int[] { Index }, new object[] { this });
model.OnNodesChanged(args);
}
}
}
private void _model_NodesChanged(object sender, TreeModelEventArgs e)
{
TreeNodeAdv parent = FindNode(e.Path);
if (parent != null && parent.IsVisible && parent.IsExpanded)
{
if (InvokeRequired)
{
BeginInvoke(new UpdateContentWidthDelegate(ClearNodesSize), e, parent);
}
else
{
ClearNodesSize(e, parent);
}
SmartFullUpdate();
}
}
private void _model_NodesInserted(object sender, TreeModelEventArgs e)
{
if (e.Indices == null)
{
throw new ArgumentNullException("Indices");
}
TreeNodeAdv parent = FindNode(e.Path);
if (parent != null)
{
for (int i = 0; i < e.Children.Length; i++)
{
AddNewNode(parent, e.Children[i], e.Indices[i]);
}
}
SmartFullUpdate();
}
private void _model_NodesRemoved(object sender, TreeModelEventArgs e)
{
TreeNodeAdv parent = FindNode(e.Path);
if (parent != null)
{
if (e.Indices != null)
{
List <int> list = new List <int>(e.Indices);
list.Sort();
for (int n = list.Count - 1; n >= 0; n--)
{
int index = list[n];
if (index >= 0 && index <= parent.Nodes.Count)
{
parent.Nodes.RemoveAt(index);
}
else
{
throw new ArgumentOutOfRangeException("Index out of range");
}
}
}
else
{
for (int i = parent.Nodes.Count - 1; i >= 0; i--)
{
for (int n = 0; n < e.Children.Length; n++)
{
if (parent.Nodes[i].Tag == e.Children[n])
{
parent.Nodes.RemoveAt(i);
break;
}
}
}
}
}
UpdateSelection();
SmartFullUpdate();
}
void _innerModel_NodesChanged(object sender, TreeModelEventArgs e)
{
OnStructureChanged(new TreePathEventArgs(e.Path));
}