增强原材料卡片管理功能，新增免密接口和数据处理逻辑，支持原材料卡片的增删改查操作。更新前端视图以支持多行拆码明细拼接，优化用户体验和系统实时数据同步能力。

yy-admin-master/YY.Admin/Views/RawMaterialEntry/RawMaterialEntryOperationView.xaml.cs

@@ -1,30 +1,118 @@
+using System.ComponentModel;
 using System.Windows;
 using System.Windows.Controls;
+using System.Windows.Controls.Primitives;
 using YY.Admin.ViewModels.RawMaterialEntry;
 
 namespace YY.Admin.Views.RawMaterialEntry;
 
 public partial class RawMaterialEntryOperationView : UserControl
 {
+    private RawMaterialEntryOperationViewModel? _vm;
     private bool _initialized;
 
     public RawMaterialEntryOperationView()
     {
         InitializeComponent();
         Loaded += OnLoaded;
+        DataContextChanged += OnDataContextChanged;
+        Unloaded += (_, _) => DetachVm();
     }
 
+    private void OnDataContextChanged(object sender, DependencyPropertyChangedEventArgs e)
+    {
+        DetachVm();
+        if (DataContext is RawMaterialEntryOperationViewModel vm)
+        {
+            _vm = vm;
+            vm.PropertyChanged += OnVmPropertyChanged;
+        }
+
+        ApplySplitLayout();
+    }
+
+    private void DetachVm()
+    {
+        if (_vm != null)
+        {
+            _vm.PropertyChanged -= OnVmPropertyChanged;
+            _vm = null;
+        }
+    }
+
+    private void OnVmPropertyChanged(object? sender, PropertyChangedEventArgs e)
+    {
+        // null/空 表示“所有属性”通知（Prism/BindableBase 批量刷新时），需同步分割布局
+        if (!string.IsNullOrEmpty(e.PropertyName)
+            && e.PropertyName is not nameof(RawMaterialEntryOperationViewModel.IsRightPanelExpanded)
+            && e.PropertyName is not nameof(RawMaterialEntryOperationViewModel.ExpandedRightPanelWidth))
+            return;
+
+        _ = Dispatcher.InvokeAsync(ApplySplitLayout);
+    }
+
+    /// <summary>按钮 Click 在 Command 之后执行，用于兜底刷新列宽（不重复切换状态）。</summary>
+    private void ToggleTodayPanelButton_OnClick(object sender, RoutedEventArgs e) => ApplySplitLayout();
+
     private void OnLoaded(object sender, RoutedEventArgs e)
     {
-        if (_initialized)
-        {
-            return;
-        }
+        // 兜底：XAML 解析 prism:AutoWireViewModel 时设置 DataContext 早于构造函数订阅 DataContextChanged，
+        // 首次进入页面 OnDataContextChanged 会错过回调，导致 _vm 为 null、PropertyChanged 未挂接，
+        // 表现为「首次点击展开/收起按钮不生效」。这里在 Loaded 时补一次订阅。
+        EnsureVmAttached();
 
-        if (DataContext is RawMaterialEntryEditDialogViewModel vm)
+        ApplySplitLayout();
+
+        if (DataContext is RawMaterialEntryOperationViewModel vm && !_initialized)
         {
             vm.InitializeForAdd();
             _initialized = true;
+            _ = vm.LoadTodayEntriesOnFirstShowAsync();
         }
     }
+
+    private void EnsureVmAttached()
+    {
+        if (_vm != null) return;
+        if (DataContext is RawMaterialEntryOperationViewModel vm)
+        {
+            _vm = vm;
+            vm.PropertyChanged += OnVmPropertyChanged;
+        }
+    }
+
+    /// <summary>
+    /// 根据 ViewModel 同步右侧栏与分割条：展开时使用持久化宽度；折叠时右栏与分割条占宽均为 0（完全隐藏）。
+    /// </summary>
+    private void ApplySplitLayout()
+    {
+        var vm = _vm ?? DataContext as RawMaterialEntryOperationViewModel;
+        if (vm == null) return;
+
+        if (vm.IsRightPanelExpanded)
+        {
+            RightPaneSplitter.Visibility = Visibility.Visible;
+            SplitterCol.Width = new GridLength(4);
+            RightPaneCol.Width = new GridLength(vm.ExpandedRightPanelWidth);
+        }
+        else
+        {
+            RightPaneSplitter.Visibility = Visibility.Collapsed;
+            SplitterCol.Width = new GridLength(0);
+            RightPaneCol.Width = new GridLength(0);
+        }
+
+        MainSplitRoot.InvalidateMeasure();
+        MainSplitRoot.UpdateLayout();
+    }
+
+    private void RightPaneSplitter_OnDragCompleted(object sender, DragCompletedEventArgs e)
+    {
+        var vm = _vm ?? DataContext as RawMaterialEntryOperationViewModel;
+        if (vm == null || !vm.IsRightPanelExpanded || e.Canceled) return;
+
+        var w = RightPaneCol.ActualWidth;
+        if (w >= 120)
+            vm.CommitRightPanelWidthFromView(w);
+    }
 }