private void fromHydroServerToolStripMenuItem_Click(object sender, EventArgs e)
{
AddServiceFromHydroServerForm frmAddFromHisServer = new AddServiceFromHydroServerForm();
if (frmAddFromHisServer.ShowDialog(this) == DialogResult.OK)
{
if (bgwMain.IsBusy)
{
MessageBox.Show("The background worker is currently busy. Please try again in a few moments.", this.Text, MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
return;
}
tcAddService.SelectedTab = tpAddMultiSvcs; //switch to the multi service tab
HydroServerClient hydroServerClient = frmAddFromHisServer.HisServerConnection;
// Build parameters to pass to the background worker
object[] parameters = new object[2];
parameters[0] = BackgroundWorkerTasks.AddServicesFromHydroServer;
parameters[1] = hydroServerClient;
// Set form controls for doing work
dgvAddServices.ClearSelection();
SetupFormForWork(true);
// Start the asynchronous operation
bgwMain.RunWorkerAsync(parameters);
}
}
/// <summary>
/// Searches for WaterOneFlow services registered at an HydroServer, and adds info about those services to the data grid view
/// </summary>
/// <param name="portalUtils">Object that contains a pointer to the HydroServer chosen by the user</param>
/// <param name="e">Parameters from the BackgroundWorker</param>
/// <returns>Parameters (task type, output message, rows to add to view) to be processed by a BackgroundWorker event handler</returns>
private object[] AddServicesFromHydroServer(HydroServerClient hydroServerClient, DoWorkEventArgs e)
{
// Build parameters to pass to the background worker
object[] parameters = new object[3];
parameters[0] = BackgroundWorkerTasks.AddServicesFromHydroServer;
parameters[1] = "Operation cancelled";
// Get all items registered with the server
bgwMain.ReportProgress(0, "Getting list of registered services...");
List <DataServiceInfo> services = (List <DataServiceInfo>)hydroServerClient.GetWaterOneFlowServices();
// Read the items into rows
int totalSteps = services.Count;
int currentStep = 0;
List <string[]> rowsToAdd = new List <string[]> ();
foreach (DataServiceInfo serviceInfo in services)
{
if (bgwMain.CancellationPending)
{
e.Cancel = true;
return(parameters);
}
currentStep++;
bgwMain.ReportProgress(100 * currentStep / totalSteps, "Reading service info: " + currentStep + " of " + totalSteps + "...");
// Create an item to add to the data grid view
rowsToAdd.Add(CreateServiceRow(serviceInfo));
}
// Prepare a message to the user
string message = "";
int servicesAdded = rowsToAdd.Count;
if (servicesAdded == 0)
{
message = "No services found in HydroServer";
}
else if (servicesAdded == 1)
{
message = "1 service found in HydroServer";
}
else
{
message = servicesAdded.ToString() + " services found in HydroServer";
}
parameters[1] = message;
parameters[2] = rowsToAdd;
return(parameters);
}
private void btnGetServices_Click(object sender, EventArgs e)
{
// Show hourglass while we check the URL
this.Cursor = Cursors.WaitCursor;
lblStatus.Visible = true;
lblStatus.Update();
// Check that this is a valid URL
string serverUrl = txtUrl.Text;
if (HydroDesktop.MetadataFetcher.WebOperations.IsUrlValid(serverUrl, true) == false)
{
this.Cursor = Cursors.Default;
lblStatus.Visible = false;
MessageBox.Show("Please enter a valid URL to a HydroServer",
this.Text, MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
return;
}
// Connect to the server
try
{
_hisServerClient = new HydroServerClient(serverUrl);
}
catch (Exception ex)
{
this.Cursor = Cursors.Default;
lblStatus.Visible = false;
MessageBox.Show("Could not connect to HydroServer at " + serverUrl + ".\n" + ex.Message,
this.Text, MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
// Restore the mouse cursor
this.Cursor = Cursors.Default;
lblStatus.Visible = false;
this.DialogResult = System.Windows.Forms.DialogResult.OK;
this.Update();
}
private void bgwMain_DoWork(object sender, DoWorkEventArgs e)
{
object[] parameters = e.Argument as object[];
BackgroundWorkerTasks task = (BackgroundWorkerTasks)parameters[0];
if (task == BackgroundWorkerTasks.AddServicesFromHydroPortal)
{
HydroPortalUtils portalUtils = parameters[1] as HydroPortalUtils;
e.Result = AddServicesFromHydroPortal(portalUtils, e);
}
else if (task == BackgroundWorkerTasks.AddServicesFromFile)
{
string path = parameters[1] as string;
e.Result = AddServicesFromDataTable(path, e);
}
else if (task == BackgroundWorkerTasks.CheckForExisingServices)
{
List <DataServiceInfo> rows = parameters[1] as List <DataServiceInfo>;
e.Result = CheckForServicesInCache(rows, e);
}
else if (task == BackgroundWorkerTasks.UpdateDatabase)
{
List <DataServiceInfo> services = parameters[1] as List <DataServiceInfo>;
e.Result = AddServicesToDatabase(services, e);
}
else if (task == BackgroundWorkerTasks.AddServicesFromHydroServer)
{
HydroServerClient hydroServerClient = parameters[1] as HydroServerClient;
e.Result = AddServicesFromHydroServer(hydroServerClient, e);
}
else
{
// Build parameters to pass to the background worker
object[] outParameters = new object[2];
outParameters[0] = BackgroundWorkerTasks.Unknown;
outParameters[1] = "Unknown task provided to background worker";
e.Result = outParameters;
}
}
