internal void Paste()
{
//Вставка объекта из буфера
if (PasteOptions.PasteObject)
{
if (Clipboard.GetData(typeof(ClipboardData).FullName) is ClipboardData data && data.GetObject(ItemsCollection.SourceItemType, true) is List <object> items && items.Count > 0)
{
InsertItems(null, items, data.DropLevel, FocusItem);
return;
}
}
//Преобразование текста из буфера в объекты
if (PasteOptions.ParseText)
{
string str = Clipboard.GetDataObject()?.GetData(DataFormats.UnicodeText) as string;
Type itemType = ItemsCollection.SourceItemType;
if (String.IsNullOrEmpty(str) || itemType == null || itemType.GetInterface(typeof(ITableRow).FullName) == null)
{
return;
}
string[] preArr = str.Split(new string[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);
string[][] tableArr = new string[preArr.Length][];
for (int i = 0; i < preArr.Length; i++)
{
tableArr[i] = preArr[i].Split('\t');
}
int[] dropLevels = new int[preArr.Length];
bool isSetLevels = ItemsCollection.SourceItemsIsIChildCollection;
if (isSetLevels)
{
for (int i = 0; i < tableArr.Length; i++)
{
if (tableArr[i].Length > 0)
{
if (Int32.TryParse(tableArr[i][0], out int droplevel) && droplevel >= 0)
{
dropLevels[i] = droplevel;
}
else
{
isSetLevels = false;
break;
}
}
}
}
int level = int.MaxValue;
List <object> items = new List <object>();
if (isSetLevels)
{
if (dropLevels.Length > 0)
{
level = dropLevels[0];
}
List <object> lasLevels = new List <object>();
for (int i = 0; i <= level; i++)
{
lasLevels.Add(null);
}
for (int i = 0; i < tableArr.Length; i++)
{
object obj = Activator.CreateInstance(itemType);
ITableRow ti = obj as ITableRow;
for (int j = 1; j < tableArr[i].Length; j++)
{
ti.SetValue(j - 1, tableArr[i][j]?.Trim());
}
if (dropLevels[i] == level)
{
items.Add(ti);
lasLevels[level] = ti;
}
else
{
if (lasLevels.Count > dropLevels[i] - 1)
{
(lasLevels[dropLevels[i] - 1] as IChildCollection)?.Add(ti);
}
if (dropLevels[i] < lasLevels.Count)
{
lasLevels[dropLevels[i]] = ti;
}
else if (dropLevels[i] == lasLevels.Count)
{
lasLevels.Add(ti);
}
}
}
}
else
{
level = 1;
for (int i = 0; i < tableArr.Length; i++)
{
object obj = Activator.CreateInstance(itemType);;
ITableRow ti = obj as ITableRow;
for (int j = 0; j < tableArr[i].Length; j++)
{
ti.SetValue(j, tableArr[i][j]?.Trim());
}
items.Add(ti);
}
}
if (items.Count > 0)
{
InsertItems(null, items, level, FocusItem);
return;
}
}
}
