public void RegisterForBeingWatched(IValueChangeWatcher watcher, ICommand command)
{
this.RequestCommentsCommand = command;
// in the beginning we memorize the original values so that we can use the original values to detemine whether the value was changed later
this.OriginalEditedValue = this.EditedValue;
this.OriginalComment = this.Comment;
this.PropertyChanged += (s, e) =>
{
if (e.PropertyName == "EditedValue")
{
this.RaisePropertyChanged("IsModified");
if (this.EditedValue == this.OriginalEditedValue)
{
return;
}
watcher.GetNotifiedAboutChangedValue(this);
}
else if (e.PropertyName == "Comment")
{
if (this.OriginalComment == this.Comment)
{
return;
}
watcher.GetNotifiedAboutChangedValue(this);
}
};
}
public RegisterResidentsForValueChangeWatch_IGlobeResidentResolver(IValueChangeWatcher watcher)
{
this.watcher = watcher;
}