public MainWindow()
{
InitializeComponent();
Logger.GetInstance().Log("CW: Connecting to database.");
// Set up connection to database
_tagDb.Connect();
Logger.GetInstance().Log("CW: Connected to database.");
// Set items source for grid
dataGridSearch.ItemsSource = SearchEntries;
// Set up reader communicator
var reader = ReaderCommunicator.GetInstance();
Logger.GetInstance().Log("CW: Connecting Reader.");
reader.Connect();
Logger.GetInstance().Log("CW: Connected Reader.");
Logger.GetInstance().Log("CW: Activating scanning.");
reader.ActivateScan();
Logger.GetInstance().Log("CW: Scanning activated.");
reader.NewTagScanned += ReaderOnNewTagScanned;
}
private void buttonStop_Click(object sender, EventArgs e)
{
ReaderCommunicator rc = ReaderCommunicator.GetInstance();
rc.DeactivateScan();
rc.Disconnect();
buttonStart.Text = "Starten";
toolStripStatusLabel.Text = "Status: gestoppt. Eventuell noch Tags in Communicator gespeichert!";
}
private void buttonStart_Click(object sender, EventArgs e)
{
if (buttonStart.Text.Equals("Starten"))
{
ReaderCommunicator rc = ReaderCommunicator.GetInstance();
Logger.GetInstance().Log("F1: Received Instance of ReaderCommunicator");
rc.Connect();
Logger.GetInstance().Log("F1: Connected Reader Communicator");
rc.ActivateScan();
Logger.GetInstance().Log("F1: Activated Scanning");
while (rc.Scanning == false)
{
} // wait for Scanner to start
toolStripStatusLabel.Text = "Status: gestartet";
buttonStart.Text = "Update Scanned Tags";
}
else
{
ReaderCommunicator rc = ReaderCommunicator.GetInstance();
Logger.GetInstance().Log("F1: Received Instance of Reader Communicator");
Dictionary <string, string> scannedTags = rc.GetScannedTags();
Logger.GetInstance().Log("F1: Called Method GetScannedTags");
if (scannedTags.Count > 0)
{
Logger.GetInstance().Log($"F1: Received {scannedTags.Count} scanned Tags");
listBox.BeginUpdate(); // stop redrawing of the listbox while adding items
foreach (var item in scannedTags)
{
listBox.Items.Add($"Key: {item.Key} | Value: {item.Value}");
}
listBox.EndUpdate(); // start redrawing the listbox again
}
}
}