protected virtual PropertyDiff[] GetSignalDiff(IDiffAdaptor currentAdaptor, object currentObject, IDiffAdaptor newAdaptor, object newObject)
{
ArrayList changes = new ArrayList();
Hashtable found = new Hashtable();
// Look for modified and deleted elements
if (currentObject != null)
{
foreach (object oldProp in currentAdaptor.GetSignals(currentObject))
{
string name;
string handler;
currentAdaptor.GetSignalInfo(oldProp, out name, out handler);
object newProp = newObject != null?newAdaptor.GetSignal(newObject, name, handler) : null;
if (newProp == null)
{
changes.Add(new PropertyDiff(DiffOperation.Remove, name, handler));
}
found [name + " " + handler] = found;
}
}
// Look for new elements
if (newObject != null)
{
foreach (object newProp in newAdaptor.GetSignals(newObject))
{
string name;
string handler;
newAdaptor.GetSignalInfo(newProp, out name, out handler);
if (!found.ContainsKey(name + " " + handler))
{
changes.Add(new PropertyDiff(DiffOperation.Add, name, handler));
}
}
}
if (changes.Count == 0)
{
return(null);
}
return((PropertyDiff[])changes.ToArray(typeof(PropertyDiff)));
}
protected virtual PropertyDiff[] GetSignalDiff (IDiffAdaptor currentAdaptor, object currentObject, IDiffAdaptor newAdaptor, object newObject)
{
ArrayList changes = new ArrayList ();
Hashtable found = new Hashtable ();
// Look for modified and deleted elements
if (currentObject != null) {
foreach (object oldProp in currentAdaptor.GetSignals (currentObject)) {
string name;
string handler;
currentAdaptor.GetSignalInfo (oldProp, out name, out handler);
object newProp = newObject != null ? newAdaptor.GetSignal (newObject, name, handler) : null;
if (newProp == null)
changes.Add (new PropertyDiff (DiffOperation.Remove, name, handler));
found [name + " " + handler] = found;
}
}
// Look for new elements
if (newObject != null) {
foreach (object newProp in newAdaptor.GetSignals (newObject)) {
string name;
string handler;
newAdaptor.GetSignalInfo (newProp, out name, out handler);
if (!found.ContainsKey (name + " " + handler))
changes.Add (new PropertyDiff (DiffOperation.Add, name, handler));
}
}
if (changes.Count == 0)
return null;
return (PropertyDiff[]) changes.ToArray (typeof(PropertyDiff));
}
