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using MembranePoreTester.Communication;
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using MembranePoreTester.ViewModels;
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using System;
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using System.Windows;
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using System.Windows.Input;
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using System.Windows.Media;
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using System.Windows.Threading;
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namespace MembranePoreTester.Views
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{
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public partial class ParameterWindow : Window
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{
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private readonly IPlcService _plcService;
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private readonly PlcConfiguration _config;
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private DispatcherTimer _autoRefreshTimer;
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private bool _isEditing = false; // 用户是否正在编辑任何文本框
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public ParameterWindow()
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{
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InitializeComponent();
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_plcService = App.PlcService;
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_config = App.PlcConfig;
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// 为所有文本框注册焦点事件（在XAML中设置事件，或在此处统一查找）
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RegisterTextBoxEvents();
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Loaded += async (s, e) =>
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{
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// 启动自动刷新定时器（每秒1次）
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_autoRefreshTimer = new DispatcherTimer
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{
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Interval = TimeSpan.FromSeconds(1)
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};
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_autoRefreshTimer.Tick += AutoRefreshTimer_Tick;
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_autoRefreshTimer.Start();
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// 首次加载时读取一次
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await ReadParametersAsync();
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};
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Closed += (s, e) => _autoRefreshTimer?.Stop();
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}
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/// <summary>
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/// 为所有文本框注册焦点事件，用于检测编辑状态
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/// </summary>
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private void RegisterTextBoxEvents()
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{
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// 查找当前窗口中所有文本框（可根据实际布局调整）
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var textBoxes = FindVisualChildren<System.Windows.Controls.TextBox>(this);
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foreach (var tb in textBoxes)
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{
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tb.GotFocus += (s, e) => _isEditing = true;
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tb.LostFocus += (s, e) => _isEditing = false;
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}
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}
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/// <summary>
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/// 定时器事件：如果用户未在编辑，则刷新参数
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/// </summary>
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private async void AutoRefreshTimer_Tick(object sender, EventArgs e)
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{
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if (!_isEditing)
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{
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await ReadParametersAsync();
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}
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}
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private async Task ReadParametersAsync()
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{
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try
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{
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// 加压控制
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txtPressureUpper.Text = (await ReadFloatAsync(_config.PressureUpperLimit)).ToString("F3");
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txtPressureRate.Text = (await ReadFloatAsync(_config.PressureRate)).ToString("F3");
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txtPressureCoeff.Text = (await ReadFloatAsync(_config.PressureCoeff)).ToString("F3");
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// 高压/低压系数
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txtHPCoeff1.Text = (await ReadFloatAsync(_config.HPCoeff1)).ToString("F3");
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txtLPCoeff1.Text = (await ReadFloatAsync(_config.LPCoeff1)).ToString("F3");
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txtHPCoeff2.Text = (await ReadFloatAsync(_config.HPCoeff2)).ToString("F3");
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txtLPCoeff2.Text = (await ReadFloatAsync(_config.LPCoeff2)).ToString("F3");
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txtHPCoeff3.Text = (await ReadFloatAsync(_config.HPCoeff3)).ToString("F3");
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txtLPCoeff3.Text = (await ReadFloatAsync(_config.LPCoeff3)).ToString("F3");
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// 流量系数
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txtLargeFlow1.Text = (await ReadFloatAsync(_config.LargeFlowCoeff1)).ToString("F3");
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txtSmallFlow1.Text = (await ReadFloatAsync(_config.SmallFlowCoeff1)).ToString("F3");
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txtLargeFlow2.Text = (await ReadFloatAsync(_config.LargeFlowCoeff2)).ToString("F3");
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txtSmallFlow2.Text = (await ReadFloatAsync(_config.SmallFlowCoeff2)).ToString("F3");
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txtLargeFlow3.Text = (await ReadFloatAsync(_config.LargeFlowCoeff3)).ToString("F3");
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txtSmallFlow3.Text = (await ReadFloatAsync(_config.SmallFlowCoeff3)).ToString("F3");
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// 校准参数
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txtPressureZero.Text = (await ReadFloatAsync(_config.PressureCalibZero)).ToString("F3");
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txtPressureSpan.Text = (await ReadFloatAsync(_config.PressureCalibSpan)).ToString("F3");
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txtFlowZero.Text = (await ReadFloatAsync(_config.FlowCalibZero)).ToString("F3");
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txtFlowSpan.Text = (await ReadFloatAsync(_config.FlowCalibSpan)).ToString("F3");
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}
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catch (Exception ex)
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{
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// 静默处理，避免频繁弹窗干扰（可记录日志）
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System.Diagnostics.Debug.WriteLine($"自动读取参数失败: {ex.Message}");
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}
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}
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private async void WriteParameters_Click(object sender, RoutedEventArgs e)
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{
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try
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{
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// 加压控制
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await WriteFloatAsync(_config.PressureUpperLimit, ParseFloat(txtPressureUpper.Text));
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await WriteFloatAsync(_config.PressureRate, ParseFloat(txtPressureRate.Text));
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await WriteFloatAsync(_config.PressureCoeff, ParseFloat(txtPressureCoeff.Text));
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// 高压/低压系数
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await WriteFloatAsync(_config.HPCoeff1, ParseFloat(txtHPCoeff1.Text));
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await WriteFloatAsync(_config.LPCoeff1, ParseFloat(txtLPCoeff1.Text));
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await WriteFloatAsync(_config.HPCoeff2, ParseFloat(txtHPCoeff2.Text));
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await WriteFloatAsync(_config.LPCoeff2, ParseFloat(txtLPCoeff2.Text));
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await WriteFloatAsync(_config.HPCoeff3, ParseFloat(txtHPCoeff3.Text));
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await WriteFloatAsync(_config.LPCoeff3, ParseFloat(txtLPCoeff3.Text));
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// 流量系数
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await WriteFloatAsync(_config.LargeFlowCoeff1, ParseFloat(txtLargeFlow1.Text));
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await WriteFloatAsync(_config.SmallFlowCoeff1, ParseFloat(txtSmallFlow1.Text));
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await WriteFloatAsync(_config.LargeFlowCoeff2, ParseFloat(txtLargeFlow2.Text));
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await WriteFloatAsync(_config.SmallFlowCoeff2, ParseFloat(txtSmallFlow2.Text));
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await WriteFloatAsync(_config.LargeFlowCoeff3, ParseFloat(txtLargeFlow3.Text));
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await WriteFloatAsync(_config.SmallFlowCoeff3, ParseFloat(txtSmallFlow3.Text));
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// 校准参数
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await WriteFloatAsync(_config.PressureCalibZero, ParseFloat(txtPressureZero.Text));
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await WriteFloatAsync(_config.PressureCalibSpan, ParseFloat(txtPressureSpan.Text));
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await WriteFloatAsync(_config.FlowCalibZero, ParseFloat(txtFlowZero.Text));
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await WriteFloatAsync(_config.FlowCalibSpan, ParseFloat(txtFlowSpan.Text));
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MessageBox.Show("参数写入成功");
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}
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catch (Exception ex)
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{
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MessageBox.Show($"写入参数失败: {ex.Message}");
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}
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}
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private float ParseFloat(string text) => float.TryParse(text, out var val) ? val : 0;
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private async Task<float> ReadFloatAsync(ushort address)
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{
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var registers = await ((ModbusTcpPlcService)_plcService).ReadHoldingRegistersAsync(address, 2);
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byte[] bytes = new byte[4];
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bytes[0] = (byte)(registers[0] >> 8);
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bytes[1] = (byte)(registers[0] & 0xFF);
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bytes[2] = (byte)(registers[1] >> 8);
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bytes[3] = (byte)(registers[1] & 0xFF);
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if (BitConverter.IsLittleEndian) Array.Reverse(bytes);
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return BitConverter.ToSingle(bytes, 0);
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}
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private async Task WriteFloatAsync(ushort address, float value)
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{
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byte[] bytes = BitConverter.GetBytes(value);
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if (BitConverter.IsLittleEndian) Array.Reverse(bytes);
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ushort high = (ushort)((bytes[0] << 8) | bytes[1]);
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ushort low = (ushort)((bytes[2] << 8) | bytes[3]);
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await ((ModbusTcpPlcService)_plcService).WriteRegisterAsync(address, high);
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await ((ModbusTcpPlcService)_plcService).WriteRegisterAsync((ushort)(address + 1), low);
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}
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private void Close_Click(object sender, RoutedEventArgs e) => Close();
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/// <summary>
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/// 辅助方法：查找视觉树中的所有指定类型子元素
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/// </summary>
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private static IEnumerable<T> FindVisualChildren<T>(DependencyObject depObj) where T : DependencyObject
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{
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if (depObj == null) yield break;
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for (int i = 0; i < VisualTreeHelper.GetChildrenCount(depObj); i++)
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{
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var child = VisualTreeHelper.GetChild(depObj, i);
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if (child is T t) yield return t;
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foreach (var childOfChild in FindVisualChildren<T>(child)) yield return childOfChild;
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}
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}
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}
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}
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