/// <summary>
/// Converts a ONEVENTSTRUCT struct to a EventNotification object.
/// </summary>
internal static TsCAeEventNotification GetEventNotification(OpcRcw.Ae.ONEVENTSTRUCT input)
{
TsCAeEventNotification output = new TsCAeEventNotification();
output.SourceID = input.szSource;
output.Time = Technosoftware.DaAeHdaClient.Com.Interop.GetFILETIME(Convert(input.ftTime));
output.Severity = input.dwSeverity;
output.Message = input.szMessage;
output.EventType = (TsCAeEventType)input.dwEventType;
output.EventCategory = input.dwEventCategory;
output.ChangeMask = input.wChangeMask;
output.NewState = input.wNewState;
output.Quality = new TsCDaQuality(input.wQuality);
output.ConditionName = input.szConditionName;
output.SubConditionName = input.szSubconditionName;
output.AckRequired = input.bAckRequired != 0;
output.ActiveTime = Technosoftware.DaAeHdaClient.Com.Interop.GetFILETIME(Convert(input.ftActiveTime));
output.Cookie = input.dwCookie;
output.ActorID = input.szActorID;
object[] attributes = Technosoftware.DaAeHdaClient.Com.Interop.GetVARIANTs(ref input.pEventAttributes, input.dwNumEventAttrs, false);
output.SetAttributes(attributes);
return(output);
}
/// <summary>
/// Removes a subscription from the control.
/// </summary>
public void RemoveSubscription(TsCAeSubscription subscription)
{
State state = (State)mSubscriptions_[subscription.ClientHandle];
if (state != null)
{
// unregister call backs.
subscription.DataChangedEvent -= state.EventHandler;
// remove subscription.
mSubscriptions_.Remove(subscription.ClientHandle);
// compile list of item to delete.
ArrayList itemsToDelete = new ArrayList();
foreach (ListViewItem item in notificationsLv_.Items)
{
TsCAeEventNotification notification = (TsCAeEventNotification)item.Tag;
if (notification.ClientHandle.Equals(subscription.ClientHandle))
{
itemsToDelete.Add(item);
}
}
// delete items.
foreach (ListViewItem item in itemsToDelete)
{
item.Remove();
}
}
}
/// <summary>
/// Sends acknowledgement for an event notification.
/// </summary>
private void AcknowledgeMI_Click(object sender, System.EventArgs e)
{
try
{
// get current selection.
TsCAeEventNotification[] notifications = new TsCAeEventNotification[notificationsLv_.SelectedItems.Count];
for (int ii = 0; ii < notifications.Length; ii++)
{
notifications[ii] = (TsCAeEventNotification)notificationsLv_.SelectedItems[ii].Tag;
}
// show dialog.
bool result = new AcknowledgerEditDlg().ShowDialog(mServer_, notifications);
// delete events if successful.
if (result)
{
DeleteMI_Click(sender, e);
}
}
catch (Exception exception)
{
MessageBox.Show(exception.Message);
}
}
/// <summary>
/// Enables items in popup menu based on current selection.
/// </summary>
private void NotificationsLV_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
{
// ignore left button actions.
if (e.Button != MouseButtons.Right)
{
return;
}
// disable everything.
viewMi_.Enabled = false;
acknowledgeMi_.Enabled = false;
deleteMi_.Enabled = false;
clearAllMi_.Enabled = true;
// selects the item that was right clicked on.
ListViewItem clickedItem = notificationsLv_.GetItemAt(e.X, e.Y);
// no item clicked on - do nothing.
if (clickedItem == null)
{
return;
}
// force selection to clicked node.
clickedItem.Selected = true;
// check for single selection.
if (notificationsLv_.SelectedItems.Count == 1)
{
viewMi_.Enabled = true;
}
// check for multiple selection.
if (notificationsLv_.SelectedItems.Count > 0)
{
acknowledgeMi_.Enabled = true;
deleteMi_.Enabled = true;
// make sure all selected events require acknowledgement.
foreach (ListViewItem item in notificationsLv_.SelectedItems)
{
TsCAeEventNotification notification = (TsCAeEventNotification)item.Tag;
if (!notification.AckRequired)
{
acknowledgeMi_.Enabled = false;
break;
}
}
}
}
/// <summary>
/// Converts an array of ONEVENTSTRUCT structs to an array of EventNotification objects.
/// </summary>
internal static TsCAeEventNotification[] GetEventNotifications(OpcRcw.Ae.ONEVENTSTRUCT[] input)
{
TsCAeEventNotification[] output = null;
if (input != null && input.Length > 0)
{
output = new TsCAeEventNotification[input.Length];
for (int ii = 0; ii < input.Length; ii++)
{
output[ii] = GetEventNotification(input[ii]);
}
}
return(output);
}
/// <summary>
/// Displays the event notifications.
/// </summary>
public void ShowDialog(TsCAeSubscription subscription, TsCAeEventNotification notification)
{
if (subscription == null)
{
throw new ArgumentNullException("subscription");
}
mSubscription_ = subscription;
mNotification_ = notification;
acknowledgeBtn_.Enabled = notification.AckRequired;
notificationCtrl_.ShowNotification(subscription, notification);
ShowDialog();
}
/// <summary>
/// Adds the area or source to the list.
/// </summary>
public void Add(TsCAeEventNotification notification, bool refresh)
{
ListViewItem item = new ListViewItem(notification.Time.ToString("HH:mm:ss.fff"));
item.SubItems.Add(notification.Severity.ToString());
item.SubItems.Add(notification.SourceID);
item.SubItems.Add((notification.AckRequired)?"Y":"");
item.SubItems.Add(notification.ConditionName + "." + notification.SubConditionName);
item.SubItems.Add(notification.Message);
item.ImageIndex = (notification.EventType != TsCAeEventType.Condition)?Resources.IMAGE_YELLOW_SCROLL:Resources.IMAGE_GREEN_SCROLL;
item.Tag = notification;
item.ForeColor = (refresh)?Color.IndianRed:Color.Empty;
notificationsLv_.Items.Insert(0, item);
}
/// <summary>
/// Displays the event notifications.
/// </summary>
public void ShowDialog(Ae.TsCAeSubscription subscription, TsCAeEventNotification notification)
{
if (subscription == null)
{
throw new ArgumentNullException("subscription");
}
m_subscription = subscription;
m_notification = notification;
AcknowledgeBTN.Enabled = notification.AckRequired;
NotificationCTRL.ShowNotification(subscription, notification);
ShowDialog();
}
/// <summary>
/// Displays a detailed view of an event notification.
/// </summary>
private void ViewMI_Click(object sender, System.EventArgs e)
{
try
{
if (notificationsLv_.SelectedItems.Count != 1)
{
return;
}
TsCAeEventNotification notification = (TsCAeEventNotification)notificationsLv_.SelectedItems[0].Tag;
State state = (State)mSubscriptions_[notification.ClientHandle];
new NotificationDlg().ShowDialog(state.Subscription, notification);
}
catch (Exception exception)
{
MessageBox.Show(exception.Message);
}
}
/// <summary>
/// Displays the notification in the control.
/// </summary>
public void ShowNotification(TsCAeSubscription subscription, TsCAeEventNotification notification)
{
// check for null value.
if (notification == null)
{
sourceTb_.Text = "";
timeTb_.Text = "";
messageTb_.Text = "";
eventTypeTb_.Text = "";
eventCategoryTb_.Text = "";
conditionNameTb_.Text = "";
subConditionNameTb_.Text = "";
newStateTb_.Text = "";
ackRequiredTb_.Text = "";
qualityTb_.Text = "";
activeTimeTb_.Text = "";
actorTb_.Text = "";
attributesLv_.Items.Clear();
return;
}
// find category.
Technosoftware.DaAeHdaClient.Ae.TsCAeCategory category = null;
try
{
Technosoftware.DaAeHdaClient.Ae.TsCAeCategory[] categories = subscription.Server.QueryEventCategories((int)notification.EventType);
for (int ii = 0; ii < categories.Length; ii++)
{
if (categories[ii].ID == notification.EventCategory)
{
category = categories[ii];
break;
}
}
}
catch
{
category = null;
}
// find attributes.
ArrayList attributes = new ArrayList();
try
{
// get attribute descriptions.
Technosoftware.DaAeHdaClient.Ae.TsCAeAttribute[] descriptions = subscription.Server.QueryEventAttributes(notification.EventCategory);
// get selected attributes.
int[] attributeIDs = null;
if (subscription.Attributes.Contains(notification.EventCategory))
{
attributeIDs = subscription.Attributes[notification.EventCategory].ToArray();
}
// find decriptions for selected attributes.
if (attributeIDs != null)
{
for (int ii = 0; ii < attributeIDs.Length; ii++)
{
for (int jj = 0; jj < descriptions.Length; jj++)
{
if (descriptions[jj].ID == attributeIDs[ii])
{
attributes.Add(descriptions[jj]);
break;
}
}
}
}
}
catch
{
// ignore errors.
}
sourceTb_.Text = notification.SourceID;
timeTb_.Text = Technosoftware.DaAeHdaClient.OpcConvert.ToString(notification.Time);
messageTb_.Text = notification.Message;
eventTypeTb_.Text = Technosoftware.DaAeHdaClient.OpcConvert.ToString(notification.EventType);
eventCategoryTb_.Text = (category != null)?category.Name:"";
conditionNameTb_.Text = notification.ConditionName;
subConditionNameTb_.Text = notification.SubConditionName;
newStateTb_.Text = "";
ackRequiredTb_.Text = Technosoftware.DaAeHdaClient.OpcConvert.ToString(notification.AckRequired);
qualityTb_.Text = Technosoftware.DaAeHdaClient.OpcConvert.ToString(notification.Quality);
activeTimeTb_.Text = Technosoftware.DaAeHdaClient.OpcConvert.ToString(notification.ActiveTime);
actorTb_.Text = notification.ActorID;
// convert state to a string.
if ((notification.NewState & (int)TsCAeConditionState.Active) != 0)
{
newStateTb_.Text += TsCAeConditionState.Active.ToString();
}
if ((notification.NewState & (int)TsCAeConditionState.Enabled) != 0)
{
if (newStateTb_.Text != "")
{
newStateTb_.Text += " AND ";
}
newStateTb_.Text += TsCAeConditionState.Enabled.ToString();
}
if ((notification.NewState & (int)TsCAeConditionState.Acknowledged) != 0)
{
if (newStateTb_.Text != "")
{
newStateTb_.Text += " AND ";
}
newStateTb_.Text += TsCAeConditionState.Acknowledged.ToString();
}
// fill attributes list.
attributesLv_.Items.Clear();
for (int ii = 0; ii < notification.Attributes.Count; ii++)
{
Technosoftware.DaAeHdaClient.Ae.TsCAeAttribute attribute = (ii < attributes.Count)?(Technosoftware.DaAeHdaClient.Ae.TsCAeAttribute)attributes[ii]:null;
ListViewItem item = new ListViewItem((attribute != null)?attribute.Name:"Unknown");
item.SubItems.Add(Technosoftware.DaAeHdaClient.OpcConvert.ToString(notification.Attributes[ii]));
attributesLv_.Items.Add(item);
}
AdjustColumns(attributesLv_);
}
