private void AcceptChanges()
{
// we are coming up one edit level
_editLevel -= 1;
if (_editLevel < 0)
{
_editLevel = 0;
}
// cascade the call to all child objects
foreach (C child in this)
{
child.AcceptChanges();
// if item is below its point of addition, lower point of addition
if (child.EditLevelAdded > _editLevel)
{
child.EditLevelAdded = _editLevel;
}
}
// cascade the call to all deleted child objects
for (int index = DeletedList.Count - 1; index >= 0; index--)
{
C child = DeletedList[index];
child.AcceptChanges();
// if item is below its point of addition, remove
if (child.EditLevelAdded > _editLevel)
{
DeletedList.RemoveAt(index);
}
}
}
private void UndoChanges()
{
C child;
// we are coming up one edit level
_editLevel -= 1;
if (_editLevel < 0)
{
_editLevel = 0;
}
// Cancel edit on all current items
for (int index = Count - 1; index >= 0; index--)
{
child = this[index];
child.UndoChanges();
// if item is below its point of addition, remove
if (child.EditLevelAdded > _editLevel)
{
bool oldAllowRemove = this.AllowRemove;
try
{
this.AllowRemove = true;
RemoveAt(index);
}
finally
{
this.AllowRemove = oldAllowRemove;
}
}
}
// cancel edit on all deleted items
for (int index = DeletedList.Count - 1; index >= 0; index--)
{
child = DeletedList[index];
child.UndoChanges();
if (child.EditLevelAdded > _editLevel)
{
// if item is below its point of addition, remove
DeletedList.RemoveAt(index);
}
else
{
// if item is no longer deleted move back to main list
if (!child.IsDeleted)
{
UnDeleteChild(child);
}
}
}
}
private void UndoChanges()
{
if (!this.IsDirty)
{
return;
}
C child;
// we are coming up one edit level
_editLevel -= 1;
if (_editLevel < 0)
{
_editLevel = 0;
}
// Cancel edit on all current items
for (int index = Count - 1; index >= 0; index--)
{
child = this[index];
if (!child.IsDirty && !child.IsNew)
{
continue;
}
child.UndoChanges();
// if item is below its point of addition, remove
if (child.EditLevelAdded > _editLevel)
{
RemoveAt(index);
}
}
// cancel edit on all deleted items
for (int index = DeletedList.Count - 1; index >= 0; index--)
{
child = DeletedList[index];
child.UndoChanges();
if (child.EditLevelAdded > _editLevel)
{
// if item is below its point of addition, remove
DeletedList.RemoveAt(index);
}
else
{
// if item is no longer deleted move back to main list
if (!child.IsDeleted)
{
UnDeleteChild(child);
}
}
}
}
private void AcceptChanges(int parentEditLevel)
{
if (this.EditLevel - 1 != parentEditLevel)
{
throw new UndoException(string.Format(Resources.EditLevelMismatchException, "AcceptChanges"), this.GetType().Name, _parent != null ? _parent.GetType().Name : null, this.EditLevel, parentEditLevel + 1);
}
// we are coming up one edit level
_editLevel -= 1;
// cascade the call to all child objects
foreach (C child in this)
{
child.AcceptChanges(_editLevel, false);
// if item is below its point of addition, lower point of addition
if (child.EditLevelAdded > _editLevel)
{
child.EditLevelAdded = _editLevel;
}
}
// cascade the call to all deleted child objects
for (int index = DeletedList.Count - 1; index >= 0; index--)
{
C child = DeletedList[index];
child.AcceptChanges(_editLevel, false);
// if item is below its point of addition, remove
if (child.EditLevelAdded > _editLevel)
{
DeletedList.RemoveAt(index);
}
}
if (_editLevel < 0)
{
_editLevel = 0;
}
}
private void UndoChanges(int parentEditLevel)
{
C child;
if (this.EditLevel - 1 != parentEditLevel)
{
throw new UndoException(string.Format(Resources.EditLevelMismatchException, "UndoChanges"), this.GetType().Name, _parent != null ? _parent.GetType().Name : null, this.EditLevel, parentEditLevel + 1);
}
// we are coming up one edit level
_editLevel -= 1;
if (_editLevel < 0)
{
_editLevel = 0;
}
bool oldRLCE = this.RaiseListChangedEvents;
this.RaiseListChangedEvents = false;
try
{
// Cancel edit on all current items
for (int index = Count - 1; index >= 0; index--)
{
child = this[index];
//ACE: Important, make sure to remove the item prior to
// it going through undo, otherwise, it will
// incur a more expensive RemoveByReference operation
//DeferredLoadIndexIfNotLoaded();
//_indexSet.RemoveItem(child);
child.UndoChanges(_editLevel, false);
//ACE: Now that we have undone the changes, we can add the item
// back in the index.
//_indexSet.InsertItem(child);
// if item is below its point of addition, remove
if (child.EditLevelAdded > _editLevel)
{
bool oldAllowRemove = this.AllowRemove;
try
{
this.AllowRemove = true;
_completelyRemoveChild = true;
//RemoveIndexItem(child);
RemoveAt(index);
}
finally
{
_completelyRemoveChild = false;
this.AllowRemove = oldAllowRemove;
}
}
}
// cancel edit on all deleted items
for (int index = DeletedList.Count - 1; index >= 0; index--)
{
child = DeletedList[index];
child.UndoChanges(_editLevel, false);
if (child.EditLevelAdded > _editLevel)
{
// if item is below its point of addition, remove
DeletedList.RemoveAt(index);
}
else
{
// if item is no longer deleted move back to main list
if (!child.IsDeleted)
{
UnDeleteChild(child);
}
}
}
}
finally
{
this.RaiseListChangedEvents = oldRLCE;
OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset));
}
}
private void UndoChanges(int parentEditLevel)
{
C child;
if (this.EditLevel - 1 != parentEditLevel)
{
throw new Core.UndoException(string.Format(Resources.EditLevelMismatchException, "UndoChanges"));
}
// we are coming up one edit level
_editLevel -= 1;
if (_editLevel < 0)
{
_editLevel = 0;
}
bool oldRLCE = this.RaiseListChangedEvents;
this.RaiseListChangedEvents = false;
try
{
// Cancel edit on all current items
for (int index = Count - 1; index >= 0; index--)
{
child = this[index];
child.UndoChanges(_editLevel, false);
// if item is below its point of addition, remove
if (child.EditLevelAdded > _editLevel)
{
bool oldAllowRemove = this.AllowRemove;
try
{
this.AllowRemove = true;
_completelyRemoveChild = true;
RemoveAt(index);
}
finally
{
_completelyRemoveChild = false;
this.AllowRemove = oldAllowRemove;
}
}
}
// cancel edit on all deleted items
for (int index = DeletedList.Count - 1; index >= 0; index--)
{
child = DeletedList[index];
child.UndoChanges(_editLevel, false);
if (child.EditLevelAdded > _editLevel)
{
// if item is below its point of addition, remove
DeletedList.RemoveAt(index);
}
else
{
// if item is no longer deleted move back to main list
if (!child.IsDeleted)
{
UnDeleteChild(child);
}
}
}
}
finally
{
this.RaiseListChangedEvents = oldRLCE;
OnListChanged(new ListChangedEventArgs(ListChangedType.Reset, -1));
}
}
