private bool CanRepositionEvent(int startIndex, ComponentChangedEventArgs e)
{
bool flag = false;
bool flag2 = false;
bool flag3 = false;
for (int i = startIndex + 1; i < this._events.Count; i++)
{
AddRemoveUndoEvent event2 = this._events[i] as AddRemoveUndoEvent;
RenameUndoEvent event3 = this._events[i] as RenameUndoEvent;
ChangeUndoEvent event4 = this._events[i] as ChangeUndoEvent;
if ((event2 != null) && !event2.NextUndoAdds)
{
flag = true;
}
else if ((event4 != null) && ChangeEventsSymmetric(event4.ComponentChangingEventArgs, e))
{
flag3 = true;
}
else if (event3 != null)
{
flag2 = true;
}
}
return((flag && !flag2) && !flag3);
}
public virtual void ComponentChanging(ComponentChangingEventArgs e)
{
if ((this._ignoreAddingList == null) || !this._ignoreAddingList.Contains(e.Component))
{
if (this._changeEvents == null)
{
this._changeEvents = new ArrayList();
}
if ((this._engine != null) && (this._engine.GetName(e.Component, false) != null))
{
IComponent component = e.Component as IComponent;
bool flag = false;
for (int i = 0; i < this._changeEvents.Count; i++)
{
ChangeUndoEvent event2 = (ChangeUndoEvent)this._changeEvents[i];
if ((event2.OpenComponent == e.Component) && event2.ContainsChange(e.Member))
{
flag = true;
break;
}
}
if (!flag || (((e.Member != null) && (e.Member.Attributes != null)) && e.Member.Attributes.Contains(DesignerSerializationVisibilityAttribute.Content)))
{
ChangeUndoEvent event3 = null;
bool serializeBeforeState = true;
if ((this._ignoreAddedList != null) && this._ignoreAddedList.Contains(e.Component))
{
serializeBeforeState = false;
}
if ((component != null) && (component.Site != null))
{
event3 = new ChangeUndoEvent(this._engine, e, serializeBeforeState);
}
else if (e.Component != null)
{
IReferenceService service = this.GetService(typeof(IReferenceService)) as IReferenceService;
if (service != null)
{
IComponent component2 = service.GetComponent(e.Component);
if (component2 != null)
{
event3 = new ChangeUndoEvent(this._engine, new ComponentChangingEventArgs(component2, null), serializeBeforeState);
}
}
}
if (event3 != null)
{
this.AddEvent(event3);
this._changeEvents.Add(event3);
}
}
}
}
}
public virtual void ComponentChanged(ComponentChangedEventArgs e)
{
if ((this._events != null) && (e != null))
{
for (int i = 0; i < this._events.Count; i++)
{
ChangeUndoEvent event2 = this._events[i] as ChangeUndoEvent;
if ((((event2 != null) && ChangeEventsSymmetric(event2.ComponentChangingEventArgs, e)) && ((i != (this._events.Count - 1)) && (e.Member != null))) && (e.Member.Attributes.Contains(DesignerSerializationVisibilityAttribute.Content) && this.CanRepositionEvent(i, e)))
{
this._events.RemoveAt(i);
this._events.Add(event2);
}
}
}
}
public virtual void ComponentRemoved(ComponentEventArgs e)
{
if ((this._events != null) && (e != null))
{
ChangeUndoEvent event2 = null;
int index = -1;
for (int i = this._events.Count - 1; i >= 0; i--)
{
AddRemoveUndoEvent event3 = this._events[i] as AddRemoveUndoEvent;
if (event2 == null)
{
event2 = this._events[i] as ChangeUndoEvent;
index = i;
}
if ((event3 != null) && (event3.OpenComponent == e.Component))
{
event3.Commit(this._engine);
if ((i == (this._events.Count - 1)) || (event2 == null))
{
break;
}
bool flag = true;
for (int j = i + 1; j < index; j++)
{
if (!(this._events[j] is ChangeUndoEvent))
{
flag = false;
break;
}
}
if (!flag)
{
break;
}
this._events.RemoveAt(i);
this._events.Insert(index, event3);
return;
}
}
}
}
public virtual void ComponentChanging(ComponentChangingEventArgs e)
{
if ((this._ignoreAddingList == null) || !this._ignoreAddingList.Contains(e.Component))
{
if (this._changeEvents == null)
{
this._changeEvents = new ArrayList();
}
if ((this._engine != null) && (this._engine.GetName(e.Component, false) != null))
{
IComponent component = e.Component as IComponent;
bool flag = false;
for (int i = 0; i < this._changeEvents.Count; i++)
{
ChangeUndoEvent event2 = (ChangeUndoEvent) this._changeEvents[i];
if ((event2.OpenComponent == e.Component) && event2.ContainsChange(e.Member))
{
flag = true;
break;
}
}
if (!flag || (((e.Member != null) && (e.Member.Attributes != null)) && e.Member.Attributes.Contains(DesignerSerializationVisibilityAttribute.Content)))
{
ChangeUndoEvent event3 = null;
bool serializeBeforeState = true;
if ((this._ignoreAddedList != null) && this._ignoreAddedList.Contains(e.Component))
{
serializeBeforeState = false;
}
if ((component != null) && (component.Site != null))
{
event3 = new ChangeUndoEvent(this._engine, e, serializeBeforeState);
}
else if (e.Component != null)
{
IReferenceService service = this.GetService(typeof(IReferenceService)) as IReferenceService;
if (service != null)
{
IComponent component2 = service.GetComponent(e.Component);
if (component2 != null)
{
event3 = new ChangeUndoEvent(this._engine, new ComponentChangingEventArgs(component2, null), serializeBeforeState);
}
}
}
if (event3 != null)
{
this.AddEvent(event3);
this._changeEvents.Add(event3);
}
}
}
}
}
