75 lines
2.3 KiB
C#
75 lines
2.3 KiB
C#
using CommunityToolkit.Mvvm.ComponentModel;
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using CommunityToolkit.Mvvm.Input;
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using TwinCAT.TypeSystem;
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using Heisig.HMI.AdsManager;
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namespace HMIToolkit
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{
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public sealed partial class HMIControlButtonVM : ObservableObject, IDisposable
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{
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private IAdsManager? _adsManager;
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private readonly string _variableName;
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// Action triggered when the button is about to be clicked
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public event EventHandler? ButtonClickedStarted;
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// Action triggered when the button is done being clicked
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public event EventHandler? ButtonClickedEnded;
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// Event when button feedback changed
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public event EventHandler? FeedbackChanged;
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// Event when release changed
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public event EventHandler? ReleaseChanged;
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[ObservableProperty]
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private bool xRelease;
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// 0 = none, 1 = active, 2 = pending, 3 = waring, 4 = error
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[ObservableProperty]
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private short iFeedback;
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public HMIControlButtonVM()
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{
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_variableName = string.Empty;
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XRelease = false;
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IFeedback = 4;
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}
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public HMIControlButtonVM(IAdsManager adsManager, string variableName)
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{
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_adsManager = adsManager;
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_variableName = variableName;
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_adsManager.Register(_variableName + ".xRelease", XReleaseCahnged);
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_adsManager.Register(_variableName + ".iFeedback", IFeedbackChanged);
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}
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public void Dispose()
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{
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_adsManager?.Deregister(_variableName + ".xRelease", XReleaseCahnged);
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_adsManager?.Deregister(_variableName + ".iFeedback", IFeedbackChanged);
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}
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[RelayCommand]
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private void ButtonClicked()
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{
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ButtonClickedStarted?.Invoke(this, EventArgs.Empty);
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_adsManager?.WriteValue(_variableName + ".xRequest", true);
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ButtonClickedEnded?.Invoke(this, EventArgs.Empty);
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}
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private void XReleaseCahnged(object? sender, ValueChangedEventArgs e)
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{
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XRelease = (bool)e.Value;
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ReleaseChanged?.Invoke(this, EventArgs.Empty);
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}
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private void IFeedbackChanged(object? sender, ValueChangedEventArgs e)
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{
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IFeedback = (short)e.Value;
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FeedbackChanged?.Invoke(this, EventArgs.Empty);
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}
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}
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}
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