119 lines
3.7 KiB
C#
119 lines
3.7 KiB
C#
using System.Collections.Specialized;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Data;
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using YY.Admin.ViewModels.RubberQuickTest;
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namespace YY.Admin.Views.RubberQuickTest;
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public partial class RubberQuickTestOperationView : UserControl
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{
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private RubberQuickTestOperationViewModel? _vm;
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public RubberQuickTestOperationView()
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{
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InitializeComponent();
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Loaded += OnLoaded;
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DataContextChanged += OnDataContextChanged;
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Unloaded += (_, _) => DetachViewModel();
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}
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private void OnLoaded(object sender, RoutedEventArgs e)
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{
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// 兜底：AutoWireViewModel 可能在构造函数订阅 DataContextChanged 之前就设置了 DataContext
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AttachViewModel(DataContext as RubberQuickTestOperationViewModel);
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}
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private void OnDataContextChanged(object sender, DependencyPropertyChangedEventArgs e)
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{
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DetachViewModel();
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AttachViewModel(DataContext as RubberQuickTestOperationViewModel);
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}
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private void AttachViewModel(RubberQuickTestOperationViewModel? vm)
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{
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if (vm == null || ReferenceEquals(_vm, vm)) return;
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_vm = vm;
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_vm.InspectColumnsChanged += RebuildInspectColumns;
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_vm.DataPointColumns.CollectionChanged += OnDataPointColumnsChanged;
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RebuildInspectColumns();
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}
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private void DetachViewModel()
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{
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if (_vm == null) return;
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_vm.InspectColumnsChanged -= RebuildInspectColumns;
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_vm.DataPointColumns.CollectionChanged -= OnDataPointColumnsChanged;
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_vm = null;
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}
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private void OnDataPointColumnsChanged(object? sender, NotifyCollectionChangedEventArgs e)
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=> RebuildInspectColumns();
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private void RebuildInspectColumns()
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{
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if (!Dispatcher.CheckAccess())
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{
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Dispatcher.Invoke(RebuildInspectColumns);
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return;
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}
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var vm = _vm ?? DataContext as RubberQuickTestOperationViewModel;
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if (vm == null) return;
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InspectResultGrid.Columns.Clear();
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InspectResultGrid.Columns.Add(new DataGridTextColumn
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{
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Header = "编号",
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Binding = new Binding(nameof(QuickTestInspectRowViewModel.RowNo))
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{
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Mode = BindingMode.OneWay
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},
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IsReadOnly = true,
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Width = 80
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});
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for (int i = 0; i < vm.DataPointColumns.Count; i++)
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{
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var col = vm.DataPointColumns[i];
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var columnIndex = i;
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var header = string.IsNullOrWhiteSpace(col.PointName)
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? $"数据点{columnIndex + 1}"
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: col.PointName;
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InspectResultGrid.Columns.Add(new DataGridTextColumn
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{
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Header = header,
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Binding = new Binding($"Cells[{columnIndex}].Value")
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{
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UpdateSourceTrigger = UpdateSourceTrigger.PropertyChanged,
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Mode = BindingMode.TwoWay,
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TargetNullValue = string.Empty
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},
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Width = 100,
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IsReadOnly = false
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});
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}
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InspectResultGrid.Columns.Add(new DataGridTextColumn
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{
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Header = "实验结果",
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Binding = new Binding(nameof(QuickTestInspectRowViewModel.InspectResultText))
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{
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Mode = BindingMode.OneWay
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},
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IsReadOnly = true,
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Width = 90
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});
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}
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private void InspectResultGrid_SelectionChanged(object sender, SelectionChangedEventArgs e)
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{
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var vm = _vm ?? DataContext as RubberQuickTestOperationViewModel;
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if (vm == null) return;
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vm.SelectedInspectRow = InspectResultGrid.SelectedItem as QuickTestInspectRowViewModel;
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}
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}
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