// ----------------------------------------------------------------------
void AddWrapInPackageIfAppropriate(ref iCS_MenuContext[] menu, iCS_EditorObject obj)
{
// Don't add if object cannot support a parent package.
if (!obj.CanHavePackageAsParent())
{
return;
}
if (menu == null || menu.Length == 0)
{
menu = new iCS_MenuContext[1];
menu[0] = new iCS_MenuContext(WrapInPackageStr);
return;
}
int i = GrowMenuBy(ref menu, 2);
menu[i] = new iCS_MenuContext(SeparatorStr);
menu[i + 1] = new iCS_MenuContext(WrapInPackageStr);
}
// -------------------------------------------------------------------------
// Wraps the given object in a package
public iCS_EditorObject WrapInPackage(iCS_EditorObject obj)
{
if (obj == null || !obj.CanHavePackageAsParent())
{
return(null);
}
var parent = obj.ParentNode;
var package = CreatePackage(parent.InstanceId, obj.DisplayName);
ChangeParent(obj, package);
// Attempt to reposition the package ports to match the object ports.
obj.ForEachChildPort(
p => {
var sourcePort = p.ProducerPort;
if (sourcePort != null && sourcePort.ParentNode == package)
{
sourcePort.Edge = p.Edge;
sourcePort.PortPositionRatio = p.PortPositionRatio;
}
else
{
package.UntilMatchingChild(
pp => {
if (pp.ProducerPort == p)
{
pp.Edge = p.Edge;
pp.PortPositionRatio = p.PortPositionRatio;
return(true);
}
return(false);
}
);
}
}
);
ForcedRelayoutOfTree();
return(package);
}
// ======================================================================
// Node Wrapping in package.
// ----------------------------------------------------------------------
public static iCS_EditorObject WrapInPackage(iCS_EditorObject obj)
{
if (obj == null || !obj.CanHavePackageAsParent())
{
return(null);
}
if (!IsCreationAllowed())
{
return(null);
}
var iStorage = obj.IStorage;
OpenTransaction(iStorage);
iCS_EditorObject package = null;
try {
iStorage.AnimateGraph(null,
_ => {
package = iStorage.WrapInPackage(obj);
iStorage.ForcedRelayoutOfTree();
}
);
}
catch (System.Exception) {
CancelTransaction(iStorage);
return(null);
}
if (package == null)
{
CancelTransaction(iStorage);
return(null);
}
CloseTransaction(iStorage, "Wrap : " + obj.DisplayName);
SystemEvents.AnnounceVisualScriptElementAdded(package);
return(package);
}
