/// <summary>
/// OnInitialized 方法
/// </summary>
protected override void OnInitialized()
{
base.OnInitialized();
TreeItems = FooTree.Generate(Localizer);
AllItems = new List <EditFooTree>();
AllItems.AddRange(EditFooTree.Generate(Localizer, AllItems));
AllItems.AddRange(EditFooTree.Generate(Localizer, AllItems, 10, 1));
AllItems.AddRange(EditFooTree.Generate(Localizer, AllItems, 20, 2));
AllItems.AddRange(EditFooTree.Generate(Localizer, AllItems, 30, 11));
AllItems.AddRange(EditFooTree.Generate(Localizer, AllItems, 40, 12));
AllItems.AddRange(EditFooTree.Generate(Localizer, AllItems, 50, 21));
AllItems.AddRange(EditFooTree.Generate(Localizer, AllItems, 60, 22));
}
private Task <bool> OnSaveAsync(EditFooTree item)
{
if (item.Id == 0)
{
item.Id = AllItems.Max(i => i.Id) + 1;
AllItems.Add(item);
}
else
{
var oldItem = AllItems.FirstOrDefault(i => i.Id == item.Id);
if (oldItem != null)
{
oldItem.ParentId = item.ParentId;
oldItem.Name = item.Name;
oldItem.DateTime = item.DateTime;
oldItem.Address = item.Address;
oldItem.Count = item.Count;
}
}
return(Task.FromResult(true));
}
private Task <IEnumerable <EditFooTree> > OnTreeExpandQuary(EditFooTree foo)
{
return(Task.FromResult(AllItems.Where(f => f.ParentId == foo.Id)));
}
private async Task <IEnumerable <EditFooTree> > OnTreeExpandQuary(EditFooTree foo)
{
await Task.Delay(50);
return(AllItems.Where(f => f.ParentId == foo.Id));
}