public static string GetChangeDescription(SILayout layout, ILayoutChange change)
{
string changeDesc;
if (change is BatchChange batchChange)
{
changeDesc = GetBatchDescription(layout, batchChange);
if (!string.IsNullOrEmpty(changeDesc))
{
return(changeDesc);
}
}
else if (change is PropertyChange propertyChange)
{
changeDesc = GetPropertyDescription(layout, propertyChange);
if (!string.IsNullOrEmpty(changeDesc))
{
return(changeDesc);
}
}
else if (change is CollectionChange collection)
{
changeDesc = GetCollectionDescription(layout, collection);
if (!string.IsNullOrEmpty(changeDesc))
{
return(changeDesc);
}
}
return("Unnamed Change");
}
internal void NotifyLayoutChanged(ILayoutChange change)
{
if (!(IsLoading || IsAssigningProperties))
{
if (CurrentBatchChanges != null)
{
CurrentBatchChanges.Add(change);
}
else
{
OnLayoutChanged(new LayoutChangedEventArgs(change));
}
}
}
private void ApplyLayoutChange(ILayoutChange change, bool setNewValue)
{
if (change is PropertyChange propertyChange)
{
ApplyPropertyChange(propertyChange, setNewValue);
}
else if (change is CollectionChange collectionChange)
{
ApplyCollectionChange(collectionChange, setNewValue);
}
else if (change is BatchChange batchChange)
{
var allChanges = batchChange.LayoutChanges.ToList();
if (!setNewValue)
{
allChanges.Reverse();
}
foreach (var changeInfo in allChanges)
{
ApplyLayoutChange(changeInfo, setNewValue);
}
}
}
//public PropertyChange[] ChangedProperties => Change.GetChanges();
//public IEnumerable<LayoutComponent> ChangedComponents => ChangedProperties.Select(p => p.Component).Distinct();
public LayoutChangedEventArgs(ILayoutChange change)
{
Change = change;
}
public void RedoChange(ILayoutChange change)
{
ApplyLayoutChange(change, true);
}
public void UndoChange(ILayoutChange change)
{
ApplyLayoutChange(change, false);
}
private string GetActionName(ILayoutChange action)
{
return(LayoutChangeTranslator.GetChangeDescription(CurrentLayoutDocument.Layout, action));
}
