ConnectionSelectorView.xaml.cs
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/***********************************************
* CONFIDENTIAL AND PROPRIETARY
*
* The source code and other information contained herein is the confidential and exclusive property of
* ZIH Corp. and is subject to the terms and conditions in your end user license agreement.
* This source code, and any other information contained herein, shall not be copied, reproduced, published,
* displayed or distributed, in whole or in part, in any medium, by any means, for any purpose except as
* expressly permitted under such license agreement.
*
* Copyright ZIH Corp. 2018
*
* ALL RIGHTS RESERVED
***********************************************/
using System;
using System.Collections.Generic;
using System.Windows;
using System.Windows.Controls;
using Zebra.Sdk.Comm;
using Zebra.Sdk.Printer.Discovery;
using Zebra.Windows.DevDemo.Enums;
namespace Zebra.Windows.DevDemo.UserControls {
/// <summary>
/// Interaction logic for ConnectionSelectorView.xaml
/// </summary>
public partial class ConnectionSelectorView : UserControl {
private ConnectionSelectorViewModel viewModel;
public string IpAddress {
get => viewModel.IpAddress;
}
public ConnectionType ConnectionType {
get => viewModel.ConnectionType;
}
public DiscoveredPrinterDriver SelectedUsbPrinter {
get => (DiscoveredPrinterDriver) usbPrintersDropdown.SelectedItem;
}
public ConnectionSelectorView() {
InitializeComponent();
viewModel = DataContext as ConnectionSelectorViewModel;
connectionTypesDropdown.SelectedIndex = 0;
}
private void ConnectionTypesDropdown_SelectionChanged(object sender, SelectionChangedEventArgs e) {
var selectedItem = (sender as ComboBox).SelectedItem;
if (selectedItem != null) {
usbPrintersLabel.Visibility = Visibility.Collapsed;
usbPrintersDropdown.Visibility = Visibility.Collapsed;
usbDirectLabel.Visibility = Visibility.Collapsed;
usbDirectInput.Visibility = Visibility.Collapsed;
ipAddressLabel.Visibility = Visibility.Collapsed;
ipAddressInput.Visibility = Visibility.Collapsed;
portLabel.Visibility = Visibility.Collapsed;
portInput.Visibility = Visibility.Collapsed;
btAddressInput.Visibility = Visibility.Collapsed;
btAddressLabel.Visibility = Visibility.Collapsed;
switch (selectedItem) {
case ConnectionType.Network:
viewModel.ConnectionType = ConnectionType.Network;
ipAddressLabel.Visibility = Visibility.Visible;
ipAddressInput.Visibility = Visibility.Visible;
portLabel.Visibility = Visibility.Visible;
portInput.Visibility = Visibility.Visible;
break;
case ConnectionType.USB:
viewModel.ConnectionType = ConnectionType.USB;
usbPrintersLabel.Visibility = Visibility.Visible;
usbPrintersDropdown.Visibility = Visibility.Visible;
break;
case ConnectionType.UsbDirect:
viewModel.ConnectionType = ConnectionType.UsbDirect;
usbDirectLabel.Visibility = Visibility.Visible;
usbDirectInput.Visibility = Visibility.Visible;
break;
case ConnectionType.Bluetooth:
viewModel.ConnectionType = ConnectionType.Bluetooth;
btAddressInput.Visibility = Visibility.Visible;
btAddressLabel.Visibility = Visibility.Visible;
break;
}
if ((ConnectionType)selectedItem == ConnectionType.USB) {
GetUsbPrintersAndAddToList();
if (usbPrintersDropdown.Items.Count > 0) {
usbPrintersDropdown.SelectedIndex = 0;
}
}
}
}
private void GetUsbPrintersAndAddToList() {
try {
viewModel.UsbDevices.Clear();
List<DiscoveredPrinterDriver> discoPrinters = UsbDiscoverer.GetZebraDriverPrinters();
foreach (DiscoveredPrinterDriver printer in discoPrinters) {
viewModel.UsbDevices.Add(printer);
}
} catch (ConnectionException) {
viewModel.UsbDevices.Clear();
viewModel.UsbDevices.Add(new DiscoveredPrinterDriver("OS not supported", "", new List<string>()));
usbPrintersDropdown.SelectedIndex = 0;
}
}
public string getConnectionAddress() {
switch(viewModel.ConnectionType) {
case ConnectionType.Bluetooth:
return viewModel.MacAddress;
case ConnectionType.UsbDirect:
return viewModel.SymbolicName;
case ConnectionType.USB:
return viewModel.UsbPrinterName;
default:
return viewModel.IpAddress;
}
}
public Connection GetConnection() {
if (viewModel.ConnectionType == ConnectionType.Network) {
try {
int port = string.IsNullOrEmpty(viewModel.Port) ? 9100 : int.Parse(viewModel.Port);
return new TcpConnection(viewModel.IpAddress, port);
} catch (Exception e) {
throw new ConnectionException(e.Message, e);
}
} else if (viewModel.ConnectionType == ConnectionType.UsbDirect) {
try {
return new UsbConnection(viewModel.SymbolicName);
} catch (Exception e) {
throw new ConnectionException(e.Message, e);
}
} else if(viewModel.ConnectionType == ConnectionType.USB) {
DiscoveredPrinterDriver printer = null;
Application.Current.Dispatcher.Invoke(() => {
printer = (DiscoveredPrinterDriver)usbPrintersDropdown.SelectedItem;
});
viewModel.UsbPrinterName = printer.PrinterName;
return new DriverPrinterConnection(printer.PrinterName);
} else {
try {
return new BluetoothConnection(viewModel.MacAddress);
} catch (Exception e) {
throw new ConnectionException(e.Message, e);
}
}
}
}
}