//-
#endregion
#region Public Methods
//----------------------
/// <summary>
/// Starts the <see cref="DataControl">DataControl.</see>
/// </summary>
/// <remarks>
/// After starting the <B>DataControl</B> the client will be notified about the <see cref="ValueQT">value</see> changes for all the
/// <see cref="ControlDaItem">items</see> selected in the configuration phase. If an item is bound to a
/// Windows Forms Control then the new values will be displayed in this one.
/// </remarks>
/// <include
/// file='TBNC.doc.xml'
/// path='//class[@name="DataControl"]/method[@name="Start"]/doc/*'
/// />
public void Start()
{
try
{
if (m_session == null)
{
return;
}
this.Clear();
if (this.BinaryLicenseDa != string.Empty)
{
m_instance.Activate(EnumFeature.DA_CLIENT, this.BinaryLicenseDa);
}
if (this.BinaryLicenseXmlDa != string.Empty)
{
m_instance.Activate(EnumFeature.DA_CLIENT, this.BinaryLicenseXmlDa);
}
m_instance.Initialize();
m_newSession = new ControlDaSession(m_session.StoredUrl);
m_newSession.Connect(false, true, new ExecutionOptions());
m_newSession.ShutdownRequest += new ShutdownEventHandler(HandleSessionShutdownWithReconnection);
if (m_session.SubscriptionList.Length == 0)
{
return;
}
foreach (ControlDaSubscription currentSubscription in m_session.SubscriptionList)
{
ControlDaSubscription controlSubscription = new ControlDaSubscription(
currentSubscription.StoredUpdateRate,
m_newSession);
if (controlSubscription.Valid)
{
controlSubscription.Name = currentSubscription.StoredName;
controlSubscription.StoredName = controlSubscription.Name;
controlSubscription.StoredUpdateRate = controlSubscription.RequestedUpdateRate;
controlSubscription.IsActivated = currentSubscription.IsActivated;
controlSubscription.DataChanged += new DataChangedEventHandler(ControlSubscription_DataChange);
DaItem[] items = currentSubscription.ItemList;
for (int i = 0; i < items.Length; i++)
{
ControlDaItem controlItem = new ControlDaItem(
((ControlDaItem)items[i]).StoredId,
controlSubscription);
this.Add(controlItem);
} // end for
if (controlSubscription.IsActivated)
{
controlSubscription.Connect(true, true, new ExecutionOptions());
} // end if
} // end if
} // end foreach
m_session.Handle = m_newSession.Handle;
}
catch (Exception exc)
{
m_instance.Trace(
EnumTraceLevel.ERR,
EnumTraceGroup.CLIENT,
"DataControl.Start",
exc.ToString());
}
} // end Start
//-------------
private void okButton_Click(object sender, System.EventArgs e)
{
try
{
//when editing if I don't change yhe name of the current subscription it shouldn't be a problem
ControlDaSubscription currentSelectedSubscription = (ControlDaSubscription)m_listView.Items[m_position].Tag;
bool found = false;
if (subscriptionNameTextBox.Text != string.Empty)
{
//a subscription with the same name with another one cannot exist
foreach (ControlDaSubscription subscription in m_session.SubscriptionList)
{
if ((subscription.StoredName == subscriptionNameTextBox.Text) &&
(subscription.GetHashCode() != currentSelectedSubscription.GetHashCode()))
{
found = true;
} // end if
} // end foreach
if (found)
{
MessageBox.Show(
"The server already has a subscription named " + subscriptionNameTextBox.Text +
"!Please introduce a different subscription name.",
"Warning");
return;
} // end if
} // end if
else
{
if (IsAddingSubscription)
{
MessageBox.Show("Please introduce a subscription name.",
"Warning");
return;
}
}
if (!found)
{
if (IsAddingSubscription)
{
if (subscriptionUpdateRateTextBox.Text != string.Empty)
{
ControlDaSubscription controlSubscription = new ControlDaSubscription(
Convert.ToUInt32(subscriptionUpdateRateTextBox.Text),
m_session);
if (controlSubscription.Valid)
{
controlSubscription.Name = subscriptionNameTextBox.Text;
controlSubscription.StoredName = controlSubscription.Name;
controlSubscription.StoredUpdateRate = controlSubscription.RequestedUpdateRate;
controlSubscription.Connect(true, false, m_executionOptions);
if (activeCheckBox.Checked)
{
controlSubscription.IsActivated = true;
} // end if
else
{
controlSubscription.IsActivated = false;
} // end else
if (m_listView.InvokeRequired)
{
AddItemsToSubscriptionListView aislv = new AddItemsToSubscriptionListView(AddItemsInListView);
m_listView.BeginInvoke(aislv, new object[] { controlSubscription });
} // end if
else
{
ListViewItem newItem = new ListViewItem(controlSubscription.StoredName);
newItem.Tag = controlSubscription;
m_listView.Items.Add(newItem);
if (controlSubscription.IsActivated)
{
newItem.SubItems.Add("true");
}
else
{
newItem.SubItems.Add("false");
}
newItem.SubItems.Add(controlSubscription.StoredUpdateRate.ToString());
newItem.SubItems.Add(controlSubscription.ItemList.Length.ToString());
} // end else
} // end if
//reset the indicator
IsAddingSubscription = false;
this.Close();
} // end if
else
{
MessageBox.Show("Please introduce an update rate.",
"Warning");
} // end else
} // end if adding a subscription
if (IsEditingSubscription)
{
//get the subscription currently selected
ControlDaSubscription currentSubscription = (ControlDaSubscription)m_listView.Items[m_position].Tag;
//modify the subscription's data
currentSubscription.Name = subscriptionNameTextBox.Text;
if (subscriptionUpdateRateTextBox.Text != string.Empty)
{
currentSubscription.RequestedUpdateRate = Convert.ToUInt32(subscriptionUpdateRateTextBox.Text);
}
currentSubscription.StoredName = currentSubscription.Name;
currentSubscription.StoredUpdateRate = currentSubscription.RequestedUpdateRate;
currentSubscription.Connect(false, false, m_executionOptions);
if (activeCheckBox.Checked)
{
currentSubscription.IsActivated = true;
}
else
{
currentSubscription.IsActivated = false;
}
if (m_listView.InvokeRequired)
{
AddItemsToSubscriptionListView aislv = new AddItemsToSubscriptionListView(AddItemsInListView);
m_listView.BeginInvoke(aislv, new object[] { currentSubscription });
}
else
{
ListViewItem item = m_listView.Items[m_position];
item.SubItems[0].Text = currentSubscription.Name;
bool active = currentSubscription.IsActivated;
item.SubItems[1].Text = active.ToString().ToLower();
item.SubItems[2].Text = currentSubscription.StoredUpdateRate.ToString();
}
//set the new subscription in the list
m_listView.Items[m_position].Tag = currentSubscription;
//reset the indicator
IsEditingSubscription = false;
this.Close();
} // end if editing a subscription
} // end if
}
catch (System.FormatException exc)
{
Application.Instance.Trace(
EnumTraceLevel.ERR,
EnumTraceGroup.CLIENT,
"SubscriptionProperties.ok_button.Click",
exc.ToString());
MessageBox.Show(" The update rate must have numeric format!");
this.subscriptionUpdateRateTextBox.Text = String.Empty;
}
catch (Exception ex)
{
Application.Instance.Trace(
EnumTraceLevel.ERR,
EnumTraceGroup.CLIENT,
"SubscriptionProperties.ok_button.Click",
ex.ToString());
}
}