void IViewModel.OnCollapse(IViewTreeNode node)
{
if (node is Node impl)
{
lastSetExpanded = lastSetExpanded.Remove(impl.Id);
changeNotification.Post();
}
}
void IViewModel.OnSelect(IViewTreeNode node)
{
if (node is Node impl)
{
lastSetSelected = impl.Id;
changeNotification.Post();
}
}
void IViewModel.OnExpand(IViewTreeNode node)
{
if (node is Node impl)
{
lastSetExpanded = lastSetExpanded.Add(impl.Id);
changeNotification.Post();
}
}
NSView CreateTreeNodeView(IViewTreeNode node)
{
var view = (NSTextField)treeView.MakeView("view", this);
if (view == null)
{
view = NSTextField.CreateLabel("");
view.Font = NSFont.SystemFontOfSize(NSFont.SmallSystemFontSize);
}
view.StringValue = node.Text;
return(view);
}