private void WalkNodesAndNotify(TreeNodeCollectionWrapper nodes, ChangeNotificationContext context)
{
if (nodes == null)
{
throw new ArgumentNullException("nodes");
}
// defer...
this.WalkNodesAndNotify(nodes.InnerList, context);
}
private void WalkNodesAndNotify(TreeNodeCollection nodes, ChangeNotificationContext context)
{
if (nodes == null)
{
throw new ArgumentNullException("nodes");
}
if (context == null)
{
throw new ArgumentNullException("context");
}
// walk...
foreach (TreeNode node in nodes)
{
bool doChildren = false;
// get...
ObjectTreeNode objectNode = node as ObjectTreeNode;
if (objectNode != null)
{
// match?
if (objectNode.InnerObjectEntityType != null && context.EntityType.IsOfType(context.EntityType))
{
if (EntityIdentification.CompareEntityKeyValues(objectNode.InnerObject, context.Entity))
{
// this one has changed...
objectNode.EntityChanged(context.Entity, context.Unit);
}
}
// children?
if (objectNode.IsPopulated)
{
doChildren = true;
}
}
else
{
doChildren = true;
}
// children...
if (doChildren)
{
this.WalkNodesAndNotify(node.Nodes, context);
}
}
}
private void EntityChanged(ChangeNotificationContext context)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
// flip...
if (this.InvokeRequired)
{
EntityChangedDelegate d = new EntityChangedDelegate(this.EntityChanged);
this.Invoke(d, new object[] { context });
return;
}
// notify...
this.WalkNodesAndNotify(this.Nodes, context);
}
/// <summary>
/// Called when an entity has been changed.
/// </summary>
/// <param name="context"></param>
void IChangeRegisterCallback.EntityChanged(ChangeNotificationContext context)
{
this.EntityChanged(context);
}
