void HandleNodeDeleted(object sender, TreeNodeChildEventArgs e)
{
if (e.Node == null)
{
adapter.EmitRowDeleted(new Gtk.TreePath(new int[] { e.ChildIndex }));
}
else
{
Gtk.TreeIter it = IterFromNode(e.Node);
var p = GetPath(it);
int[] idx = new int [p.Indices.Length + 1];
p.Indices.CopyTo(idx, 0);
idx [idx.Length - 1] = e.ChildIndex;
adapter.EmitRowDeleted(new Gtk.TreePath(idx));
}
}
private void child_deleted_cb(object sender, ITreeNode child, int idx)
{
ITreeNode node = sender as ITreeNode;
TreePath path = GetPath(node);
TreePath child_path = path.Copy();
child_path.AppendIndex(idx);
model_adapter.EmitRowDeleted(child_path);
if (node.ChildCount <= 0)
{
model_adapter.EmitRowHasChildToggled(GetPath(node), GetIter(node));
}
}
void HandleRowDeleted(object sender, ListRowEventArgs e)
{
var p = new Gtk.TreePath(new int[] { e.Row });
adapter.EmitRowDeleted(p);
parent.QueueResize();
}
void HandleNodeDeleted(object sender, TreeNodeChildEventArgs e)
{
if (e.Node != null && !handleHash.ContainsKey(e.Node))
{
return;
}
NodeData data;
if (e.Child != null && handleHash.TryGetValue(e.Child, out data))
{
// Increase the model stamp since the node is gone and there may
// be iters referencing that node. Increasing the stamp will
// invalidate all those nodes
stamp++;
data.Handle.Free();
handleHash.Remove(e.Child);
// Update the indexes of the node following the deleted one
var count = source.GetChildrenCount(e.Node);
for (int n = e.ChildIndex; n < count; n++)
{
var child = source.GetChild(e.Node, n);
if (child != null)
{
CacheIndex(child, n);
}
}
}
if (e.Node == null)
{
adapter.EmitRowDeleted(new Gtk.TreePath(new int[] { e.ChildIndex }));
}
else
{
var p = GetPath(e.Node);
int[] idx = new int [p.Indices.Length + 1];
p.Indices.CopyTo(idx, 0);
idx [idx.Length - 1] = e.ChildIndex;
adapter.EmitRowDeleted(new Gtk.TreePath(idx));
}
}
void OnChildRemoved(object o, NodeEventArgs args)
{
TreeModelAdapter adapter = new TreeModelAdapter (this);
adapter.EmitRowDeleted (PathFromNode (args.Node));
}