public PasteResult Paste(int layerHandle, Shapefile sf)
{
if (sf == null || IsEmpty)
{
return(PasteResult.NoInput);
}
if (!sf.InteractiveEditing)
{
return(PasteResult.NoInput);
}
if (IsEmpty)
{
return(PasteResult.NoInput);
}
if (_buffer.ShapefileType != sf.ShapefileType)
{
return(PasteResult.ShapeTypeMismatch);
}
var fieldMap = _buffer.BuildFieldMap(sf);
var undoList = App.Map.UndoList;
undoList.BeginBatch();
sf.SelectNone();
for (int i = 0; i < _buffer.NumShapes; i++)
{
int shapeIndex = sf.EditAddShape(_buffer.Shape[i].Clone()); // don't create a copy, buffer won't be used any more
_buffer.CopyAttributes(i, sf, shapeIndex, fieldMap); // TODO: don't use field map for the same shapefile
undoList.Add(tkUndoOperation.uoAddShape, layerHandle, shapeIndex);
sf.ShapeSelected[shapeIndex] = true;
}
undoList.EndBatch();
Clear();
return(PasteResult.Ok);
}
public static void CopyAttributes(this Shapefile sf, int sourceIndex, int targetIndex)
{
sf.CopyAttributes(sourceIndex, sf, targetIndex);
}
/// <summary>
/// Runs explode operation
/// </summary>
private static ExplodeResult Explode(int layerHandle, Shapefile sf)
{
var dict = new Dictionary <int, Shape[]>();
// exploding
for (int i = 0; i < sf.NumShapes; i++)
{
object result = null;
if (sf.ShapeSelected[i])
{
sf.Shape[i].Explode(ref result);
var shapes = result as object[];
if (shapes != null && shapes.Any())
{
dict[i] = shapes.Cast <Shape>().ToArray();
}
else
{
return(ExplodeResult.Failed);
}
}
}
int newSelectionStart = sf.NumShapes - sf.NumSelected;
var undoList = App.Map.UndoList;
undoList.BeginBatch();
// add new shapes
var list = dict.ToList();
foreach (var item in list)
{
foreach (var shp in item.Value.ToList())
{
int shapeIndex = sf.EditAddShape(shp);
sf.CopyAttributes(item.Key, shapeIndex);
if (shapeIndex != -1)
{
undoList.Add(tkUndoOperation.uoAddShape, layerHandle, shapeIndex);
}
}
}
// remove the old ones
for (int i = sf.NumShapes - 1; i >= 0; i--)
{
if (sf.ShapeSelected[i])
{
undoList.Add(tkUndoOperation.uoRemoveShape, layerHandle, i);
sf.EditDeleteShape(i);
}
}
undoList.EndBatch();
for (int i = newSelectionStart; i < sf.NumShapes; i++)
{
sf.ShapeSelected[i] = true;
}
return(ExplodeResult.Ok);
}
