void PasteItemDatas(List<ItemData> copys, ItemData selectedItem, RangeObservableCollection<ItemData> itemsSource, Point clickPoint)
{
var list = new List<ItemData>();
var item = selectedItem;
if (selectedItem != null)
{
var roots = copys.Where(x => x.ItemParentId == item.ItemId);
foreach (var itemData in roots)
{
if (itemData.ItemParentId.IsNullOrEmpty())
{
itemData.Left = clickPoint.X;
itemData.Top = clickPoint.Y;
}
list.Add(itemData);
list.AddRange(AddChild(copys, itemData));
}
itemsSource.AddRange(list);
}
else
{
var roots = copys.Where(x => copys.All(y => y.ItemId != x.ItemParentId));
foreach (var r in roots)
{
if (r.ItemParentId.IsNullOrEmpty())
{
r.Left = clickPoint.X;
r.Top = clickPoint.Y;
}
r.ItemParentId = string.Empty;
list.Add(r);
list.AddRange(AddChild(copys, r));
}
itemsSource.AddRange(list);
}
}
List<ItemData> GetItemDatasToBeCopy(List<ItemData> dataItemOnClipBoard, ItemData parentItemData, List<ItemData> itemSource, string type)
{
var copys = new List<ItemData>();
var copyItems = CopyedItems(dataItemOnClipBoard, itemSource, type);
foreach (var copyItem in copyItems)
{
if (copyItem.ItemParentId == string.Empty)
{
if (parentItemData != null)
{ copyItem.ItemParentId = parentItemData.ItemId; }
else
{
copyItem.ItemParentId = string.Empty;
}
}
copys.Add(copyItem);
}
return copys;
}
List<ItemData> GetAllCopyItem(List<ItemData> selectedItemDatas, List<ItemData> itemSource)
{
var list = selectedItemDatas.Select(d => new ItemData(d.ItemId, d.ItemParentId, d.Text, d.Desc, d.ItemStyle, d.Left, d.Top)).ToList();
var childrens = new List<ItemData>();
//把子节点也添加进来
foreach (var selectedItemData in list)
{
var children = GetAllSubItemDatas(itemSource, selectedItemData);
foreach (var d in children)
{
if (childrens.Any(x => x.ItemId == d.ItemId)) continue;
var data = new ItemData(d.ItemId, d.ItemParentId, d.Text, d.Desc, d.ItemStyle, d.Left, d.Top);
childrens.Add(data);
}
}
var result = childrens.Where(children => selectedItemDatas.All(x => x.ItemId != children.ItemId)).ToList();
result.AddRange(list);
return result;
}
List<ItemData> GetAllSubItemDatas(IList<ItemData> itemDatas, ItemData itemData)
{
var result = new List<ItemData>();
var child = new List<ItemData>();
var list = itemDatas.Where(x => x.ItemParentId == itemData.ItemId);
foreach (var subItem in list.Where(subitem => !result.Contains(subitem)))
{
child.Add(subItem);
result.Add(subItem);
foreach (var item in child)
{
result.AddRange(GetAllSubItemDatas(itemDatas, item));
}
}
return result;
}
List<ItemData> AddChild(List<ItemData> itemDatas, ItemData itemData)
{
var list = new List<ItemData>();
var roots = itemDatas.Where(x => x.ItemParentId == itemData.ItemId);
foreach (var data in roots)
{
list.Add(data);
list.AddRange(AddChild(itemDatas, data));
}
return list;
}
