void RefreshPassengers()
{
var items = _cart.Passengers;
pPassenger.SuspendLayout();
ps.RefreshPassengerList();
var lvItems = pPassenger.Controls.Cast <ButtonX>().ToArray();
var lvItemTags = lvItems.Select(s => s.Tag as Passenger).MapToHashSet();
//删除没有的
lvItems.Where(s => !items.Contains(s.Tag as Passenger)).ToArray().ForEach(pPassenger.Controls.Remove);
//插入没有的
items.Except(lvItemTags).ForEach(s =>
{
var btn = new ButtonX()
{
ColorTable = eButtonColor.Flat,
Text = $"<b>{s.Name}</b> <font size=\"-1\" color=\"gray\">{s.TypeName}/{s.IdTypeName}</font>",
Tag = s,
AutoExpandOnClick = true,
Padding = new Padding(10)
};
//子项
if (s.Type == 1)
{
var addChild = new ButtonItem("addchild", "添加儿童票");
addChild.Click += (_1, _2) =>
{
var pc = s.CreateChild();
items.Add(pc);
};
btn.SubItems.Add(addChild);
}
var deleteItem = new ButtonItem("delete", "删除");
deleteItem.Click += (_1, _2) => items.Remove(s);
btn.SubItems.Add(deleteItem);
pPassenger.Controls.Add(btn);
btn.SetToPreferredSize();
});
pPassenger.ResumeLayout(true);
//达到上限后禁止编辑
ps.Enabled = _cart.Passengers.Count < 3;
}
