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100 lines
3.4 KiB
100 lines
3.4 KiB
using Common.Messaging;
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using CommunityToolkit.Mvvm.ComponentModel;
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using CommunityToolkit.Mvvm.Input;
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using CommunityToolkit.Mvvm.Messaging;
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using MultiTerm.Protocols.Types;
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using System.Collections.ObjectModel;
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namespace MultiTerm.Protocols.UsbHid;
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public partial class UsbHidProtocolSettingsViewModel : ProtocolSettingsViewModel, IUsbHidProtocolSettings
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{
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public override ProtocolType ProtocolType => ProtocolType.UsbHid;
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public ushort VendorId { get; set; } = ushort.MinValue;
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public ushort ProductId { get; set; } = ushort.MinValue;
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[ObservableProperty]
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private string serialNumber = string.Empty;
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[ObservableProperty]
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private string vendorIdHex = string.Empty;
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[ObservableProperty]
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private string productIdHex = string.Empty;
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[ObservableProperty]
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private ObservableCollection<UsbHidDeviceInfo> devices = new();
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[ObservableProperty]
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private UsbHidDeviceInfo? selectedDevice;
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[RelayCommand]
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private void ReloadDevices()
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{
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this.Devices = new ObservableCollection<UsbHidDeviceInfo>(UsbHidProtocol.GetDevices());
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// select first deivce, if none is selected yet and there are some available
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if (this.SelectedDevice == null && this.Devices.Any())
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{
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this.SelectedDevice = this.Devices.First();
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}
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}
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public UsbHidProtocolSettingsViewModel(IMessenger messenger) : base(messenger)
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{
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// load devices initially
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this.ReloadDevices();
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this.SelectedDevice = this.Devices.FirstOrDefault();
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}
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/// <summary>
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/// Updates other fields when <see cref="SelectedDevice"/> was changed.
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/// </summary>
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/// <param name="value"></param>
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partial void OnSelectedDeviceChanged(UsbHidDeviceInfo? value)
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{
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if(value != null)
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{
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this.VendorIdHex = value.VendorId;
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this.ProductIdHex = value.ProductId;
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this.SerialNumber = value.SerialNumber;
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}
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}
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public bool AreValid()
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{
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// pad left (fill up zeroes)
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this.VendorIdHex = this.VendorIdHex.PadLeft(4, '0');
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if (this.VendorIdHex.Length > 4)
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{
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this.messenger.Send<IUserInterfaceMessage>(new ProtocolSettingsInvalidMessage(nameof(this.VendorId), "Must consist of a maximum of 4 hexadecimal characters"));
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return false;
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}
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if (ushort.TryParse(this.VendorIdHex, System.Globalization.NumberStyles.HexNumber, null, out ushort vendorId) == false)
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{
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this.messenger.Send<IUserInterfaceMessage>(new ProtocolSettingsInvalidMessage(nameof(this.VendorId), "Invalid. Not a 16bit number."));
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return false;
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}
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// set internal
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this.VendorId = vendorId;
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// pad left (fill up zeroes)
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this.ProductIdHex = this.ProductIdHex.PadLeft(4, '0');
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if (this.ProductIdHex.Length > 4)
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{
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this.messenger.Send<IUserInterfaceMessage>(new ProtocolSettingsInvalidMessage(nameof(this.ProductId), "Must consist of a maximum of 4 hexadecimal characters"));
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return false;
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}
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if (ushort.TryParse(this.ProductIdHex, System.Globalization.NumberStyles.HexNumber, null, out ushort productId) == false)
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{
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this.messenger.Send<IUserInterfaceMessage>(new ProtocolSettingsInvalidMessage(nameof(this.ProductId), "Invalid. Not a 16bit number."));
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return false;
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}
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// set internal
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this.ProductId = productId;
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return true;
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}
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}
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