void Changed(object sender, XObjectChangeEventArgs e)
{
_pending.Group = _lastGroup;
if (_undoing)
{
_redos.Push(_pending);
}
else
{
_undos.Push(_pending);
}
_pending = null;
}
void Changed(object sender, XObjectChangeEventArgs e)
{
_pending.Group = _lastGroup;
if (_undoing)
{
_redos.Push(_pending);
}
else
{
_undos.Push(_pending);
}
_pending = null;
}
void Changing(object sender, XObjectChangeEventArgs e)
{
if (_pending != null)
{
throw new NotImplementedException();
}
switch (e.ObjectChange)
{
case XObjectChange.Add:
_pending = new AddUnit((XObject)sender);
break;
case XObjectChange.Remove:
XContainer parent = ((XObject)sender).Parent;
if (parent == null)
{
parent = ((XObject)sender).Document;
}
XObject next = null;
if (sender is XNode)
{
next = ((XNode)sender).NextNode;
}
else if (sender is XAttribute)
{
next = ((XAttribute)sender).NextAttribute;
}
_pending = new RemoveUnit((XObject)sender, parent, next);
break;
case XObjectChange.Name:
object name = null;
if (sender is XNode)
{
switch (((XNode)sender).NodeType)
{
case XmlNodeType.Element:
name = ((XElement)sender).Name;
break;
case XmlNodeType.ProcessingInstruction:
name = ((XProcessingInstruction)sender).Target;
break;
default:
throw new NotImplementedException();
}
}
_pending = new NameUnit((XNode)sender, name);
break;
case XObjectChange.Value:
string value = null;
if (sender is XNode)
{
switch (((XNode)sender).NodeType)
{
case XmlNodeType.Element:
value = ((XElement)sender).IsEmpty ? null : string.Empty;
break;
case XmlNodeType.Text:
case XmlNodeType.CDATA:
value = ((XText)sender).Value;
break;
case XmlNodeType.ProcessingInstruction:
value = ((XProcessingInstruction)sender).Data;
break;
case XmlNodeType.Comment:
value = ((XComment)sender).Value;
break;
default:
throw new NotImplementedException();
}
}
else if (sender is XAttribute)
{
value = ((XAttribute)sender).Value;
}
_pending = new ValueUnit((XObject)sender, value);
break;
}
}
void Changing(object sender, XObjectChangeEventArgs e)
{
if (_pending != null) throw new NotImplementedException();
switch (e.ObjectChange)
{
case XObjectChange.Add:
_pending = new AddUnit((XObject)sender);
break;
case XObjectChange.Remove:
XContainer parent = ((XObject)sender).Parent;
if (parent == null)
{
parent = ((XObject)sender).Document;
}
XObject next = null;
if (sender is XNode)
{
next = ((XNode)sender).NextNode;
}
else if (sender is XAttribute)
{
next = ((XAttribute)sender).NextAttribute;
}
_pending = new RemoveUnit((XObject)sender, parent, next);
break;
case XObjectChange.Name:
object name = null;
if (sender is XNode)
{
switch (((XNode)sender).NodeType)
{
case XmlNodeType.Element:
name = ((XElement)sender).Name;
break;
case XmlNodeType.ProcessingInstruction:
name = ((XProcessingInstruction)sender).Target;
break;
default:
throw new NotImplementedException();
}
}
_pending = new NameUnit((XNode)sender, name);
break;
case XObjectChange.Value:
string value = null;
if (sender is XNode)
{
switch (((XNode)sender).NodeType)
{
case XmlNodeType.Element:
value = ((XElement)sender).IsEmpty ? null : string.Empty;
break;
case XmlNodeType.Text:
case XmlNodeType.CDATA:
value = ((XText)sender).Value;
break;
case XmlNodeType.ProcessingInstruction:
value = ((XProcessingInstruction)sender).Data;
break;
case XmlNodeType.Comment:
value = ((XComment)sender).Value;
break;
default:
throw new NotImplementedException();
}
}
else if (sender is XAttribute)
{
value = ((XAttribute)sender).Value;
}
_pending = new ValueUnit((XObject)sender, value);
break;
}
}