public override void Undo()
{
var model = _createdEditor.Model;
var containerCtl = _target.Controller as IContainerController;
if (containerCtl != null)
{
_target.RemoveChildEditor(_createdEditor);
containerCtl.RemoveChild(model);
_createdEditor.Disable();
_createdEditor.Controller.DisposeModel(model);
}
}
public override void Undo()
{
var model = _createdEditor.Model;
var containerCtl = _target.Controller as IContainerController;
var edge = _createdEditor.Figure as IEdge;
if (containerCtl != null)
{
/// 切断
var createdConnectionCtrl = _createdEditor.Controller as IConnectionController;
if (edge.IsSourceConnected)
{
var srcConnectableCtrl = _edgeSourceEditor == null ?
null :
_edgeSourceEditor.Controller as IConnectableController;
edge.Source = null;
createdConnectionCtrl.DisconnectSource();
srcConnectableCtrl.DisconnectOutgoing(model);
}
if (edge.IsTargetConnected)
{
var tgtConnectableCtrl = _edgeTargetEditor == null ?
null :
_edgeTargetEditor.Controller as IConnectableController;
edge.Target = null;
createdConnectionCtrl.DisconnectTarget();
tgtConnectableCtrl.DisconnectIncoming(model);
}
_target.RemoveChildEditor(_createdEditor);
containerCtl.RemoveChild(model);
_createdEditor.Disable();
_createdEditor.Controller.DisposeModel(model);
}
edge.TargetConnectionOption = _oldTargetAnchorId;
if (_oldStyledText != null)
{
var tgtModel = _edgeTargetEditor.Model as MemoText;
tgtModel.StyledText = _oldStyledText;
}
}
// ========================================
// method
// ========================================
public override void Execute()
{
_target.IsSelected = false;
_oldParent = _target.Parent;
_oldEditorIndex = _oldParent.Children.IndexOf(_target);
var parentCtrl = _oldParent.Controller as IContainerController;
_oldModelIndex = parentCtrl.Children.IndexOf(_target.Model);
_disconnCommand = CreateDisconnCommand();
_disconnCommand.Execute();
var model = _target.Model;
_target.Disable();
_oldParent.RemoveChild(model);
_target.Controller.DisposeModel(model);
}