public void MoveFromNode(DesignerNode source, DropLinePosition position)
{
switch (position)
{
case DropLinePosition.OnNode:
int newIndex = Node.Children.Count;
if (Node.Children.Contains(source.Node))
{
newIndex--;
}
InternalMoveNode(source.Node, Node, newIndex);
// Remove and recreate the designer node -- the tree draws the lines improperly if we just move the node, and ASource.Reposition raises a null reference exception
source.Remove();
DesignerNode newNode = source.Copy();
AddBaseNode(newNode);
TreeView.SelectedNode = newNode;
if (Parent != null)
{
Parent.ExpandAll();
}
break;
case DropLinePosition.AboveNode:
MoveIntoSibling(source, Node.Parent.Children.IndexOf(Node));
break;
case DropLinePosition.BelowNode:
MoveIntoSibling(source, Node.Parent.Children.IndexOf(Node) + 1);
break;
}
DesignerTree.Modified();
}
public void PasteFromClipboard()
{
INode node;
using (MemoryStream stream = new MemoryStream())
{
StreamWriter writer = new StreamWriter(stream);
writer.Write((string)Clipboard.GetDataObject().GetData(DataFormats.UnicodeText, true));
writer.Flush();
stream.Position = 0;
BOP.Deserializer deserializer = DesignerTree.FormDesigner.FrontendSession.CreateDeserializer();
deserializer.FindReference += new BOP.FindReferenceHandler(DeserializeFindReference);
node = (INode)deserializer.Deserialize(stream, null);
DesignerTree.FormDesigner.Dataphoria.Warnings.AppendErrors(DesignerTree.FormDesigner, deserializer.Errors, true);
}
Node.Children.Add(node);
RecursiveGetUniqueName(node); // make names unique after adding the node in order to properly account for all nodes
DesignerNode designerNode = AddNode(node);
TreeView.SelectedNode = designerNode;
designerNode.ExpandAll();
DesignerTree.Modified();
}
public bool Delete()
{
if (ReadOnly)
{
return(false);
}
else
{
InternalDelete();
DesignerTree.Modified();
DesignerTree.FormDesigner.ActivateNode(null);
return(true);
}
}
public void AddNew(PaletteItem item, DropLinePosition position)
{
INode node = (INode)DesignerTree.FormDesigner.FrontendSession.NodeTypeTable.CreateInstance(item.ClassName);
try
{
Node.HostNode.GetUniqueName(node);
PlaceNewNode(node, position).Rename();
}
catch
{
node.Dispose();
throw;
}
DesignerTree.Modified();
}
public void CopyFromNode(DesignerNode source, DropLinePosition position)
{
INode node;
using (MemoryStream stream = new MemoryStream())
{
BOP.Serializer serializer = DesignerTree.FormDesigner.FrontendSession.CreateSerializer();
serializer.Serialize(stream, source);
DesignerTree.FormDesigner.Dataphoria.Warnings.AppendErrors(DesignerTree.FormDesigner, serializer.Errors, true);
stream.Position = 0;
BOP.Deserializer deserializer = DesignerTree.FormDesigner.FrontendSession.CreateDeserializer();
deserializer.FindReference += new BOP.FindReferenceHandler(DeserializeFindReference);
node = (INode)deserializer.Deserialize(stream, null);
DesignerTree.FormDesigner.Dataphoria.Warnings.AppendErrors(DesignerTree.FormDesigner, deserializer.Errors, true);
}
RecursiveGetUniqueName(node);
PlaceNewNode(node, position);
DesignerTree.Modified();
}
