/// <summary>
/// Raises the RefreshNodeRequired event
/// </summary>
/// <param name="eventArgs"></param>
protected void OnRefreshRequired(RefreshNodeRequiredEventArgs eventArgs)
{
EventHandler <RefreshNodeRequiredEventArgs> handler = RefreshRequired;
if (handler != null)
{
handler(this, eventArgs);
}
}
/// <summary>
/// Executes actions related to node refreshment.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void HandleSubNodeRefreshRequired(object sender, RefreshNodeRequiredEventArgs e)
{
// Propagate the event
OnRefreshRequired(e);
}
/// <summary>
/// Raises the RefreshNodeRequired event
/// </summary>
/// <param name="eventArgs"></param>
protected void OnRefreshRequired(RefreshNodeRequiredEventArgs eventArgs)
{
EventHandler<RefreshNodeRequiredEventArgs> handler = RefreshRequired;
if (handler != null)
{
handler(this, eventArgs);
}
}
/// <summary>
/// Executes actions related to node refreshment.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void HandleSubNodeRefreshRequired(object sender, RefreshNodeRequiredEventArgs e)
{
// Propagate the event
OnRefreshRequired(e);
}
/// <summary>
/// Process the Refresh Required event from one root node. Based on the received information, refresh one instance or a complete tree branch
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected virtual void ProcessRootNodeRefreshRequired(object sender, RefreshNodeRequiredEventArgs e)
{
// Refresh instance
if (e.RefreshType == RefreshRequiredType.RefreshInstances)
{
RefreshOidList(e.NodeId, ((RefreshRequiredInstancesEventArgs)e.RefreshRequiredArgs).Instances);
return;
}
// It is not an instance refresh, it is a complete branch refresh
if (e.ReceivedExchangeInfo == null)
{
return;
}
List<KeyValuePair<string, Oid>> lOidsPath = e.ReceivedExchangeInfo.CustomData["_NODEPATH"] as List<KeyValuePair<string, Oid>>;
if (lOidsPath == null)
{
return;
}
TreeNodeController lNode = GetNodeById(e.NodeId);
if (lNode == null)
{
return;
}
if (lOidsPath != null && lOidsPath.Count <= 1)
{
// If there are not Oids loaded, load the data by means of refreshing the Tree.
if (this.InstanceMasterController != null)
{
this.InstanceMasterController.Refresh();
return;
}
Refresh();
}
else
{
// If there are Oids loaded, update them.
UpdateBranch(lOidsPath, lNode);
}
}
/// <summary>
/// Executes actions related to RefreshRequired event for root nodes.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void HandleRootNodeRefreshRequired(object sender, RefreshNodeRequiredEventArgs e)
{
ProcessRootNodeRefreshRequired(sender, e);
}
