private void Show(Func <Node, bool> filter)
{
_filter = filter;
var firstCategoryAdded = false;
VisibleCategoriesList.Clear();
var loadingCategory = new NodePaletteCategory("...");
VisibleCategoriesList.Add(loadingCategory);
new Thread(() =>
{
foreach (var category in CategoriesList)
{
foreach (var node in category.Nodes)
{
if (filter(node))
{
_diagram.View?.Dispatcher.Invoke(() => VisibleCategoriesList.Add(category));
if (!firstCategoryAdded)
{
_diagram.View?.Dispatcher.Invoke(() => VisibleCategoriesList.Remove(loadingCategory));
}
firstCategoryAdded = true;
Thread.Sleep(10);
break;
}
}
}
if (!firstCategoryAdded)
{
_diagram.View?.Dispatcher.Invoke(() => VisibleCategoriesList.Remove(loadingCategory));
}
}).Start();
}
public void ShowCategory(NodePaletteCategory category)
{
VisibleNodesList.Clear();
new Thread(() =>
{
foreach (var node in category.Nodes.Where(_filter).OrderBy(n => n.Weight))
{
_diagram.View?.Dispatcher.Invoke(() => VisibleNodesList.Add(node));
Thread.Sleep(10);
}
}).Start();
VisibleCategoriesList.ForEach(l => l.UnselectCategoryItem());
category.SelectCategoryItem();
MousedOverNode = null;
}