CreateEventDefCommand(TypeTreeNode ownerNode, EventDefOptions options)
{
this.ownerNode = ownerNode;
this.eventNode = new EventTreeNode(options.CreateEventDef(ownerNode.TypeDefinition.Module));
}
EventDefSettingsCommand(EventTreeNode eventNode, EventDefOptions options)
{
this.eventNode = eventNode;
this.newOptions = options;
this.origOptions = new EventDefOptions(eventNode.EventDefinition);
this.origParentNode = (ILSpyTreeNode)eventNode.Parent;
this.origParentChildIndex = this.origParentNode.Children.IndexOf(eventNode);
Debug.Assert(this.origParentChildIndex >= 0);
if (this.origParentChildIndex < 0)
throw new InvalidOperationException();
this.nameChanged = origOptions.Name != newOptions.Name;
}
public void Delete(EventTreeNode[] nodes)
{
Debug.Assert(infos == null);
if (infos != null)
throw new InvalidOperationException();
infos = new ModelInfo[nodes.Length];
for (int i = 0; i < infos.Length; i++) {
var node = nodes[i];
var info = new ModelInfo(node.EventDefinition);
infos[i] = info;
info.OwnerType.Events.RemoveAt(info.EventIndex);
for (int j = 0; j < info.Methods.Length; j++) {
int index = info.OwnerType.Methods.IndexOf(info.Methods[j]);
Debug.Assert(index >= 0);
if (index < 0)
throw new InvalidOperationException();
info.OwnerType.Methods.RemoveAt(index);
info.MethodIndexes[j] = index;
}
}
}
public void Restore(EventTreeNode[] nodes)
{
Debug.Assert(infos != null);
if (infos == null)
throw new InvalidOperationException();
Debug.Assert(infos.Length == nodes.Length);
if (infos.Length != nodes.Length)
throw new InvalidOperationException();
for (int i = infos.Length - 1; i >= 0; i--) {
var node = nodes[i];
var info = infos[i];
info.OwnerType.Events.Insert(info.EventIndex, node.EventDefinition);
for (int j = info.Methods.Length - 1; j >= 0; j--)
info.OwnerType.Methods.Insert(info.MethodIndexes[j], info.Methods[j]);
}
infos = null;
}
DeleteEventDefCommand(EventTreeNode[] eventNodes)
{
this.nodes = new DeletableNodes<EventTreeNode>(eventNodes);
}
