更新

COFTester/MainWindow.xaml

@@ -328,7 +328,7 @@
 
     <Grid Background="{StaticResource ShellGradientBrush}">
         <Grid.ColumnDefinitions>
-            <ColumnDefinition x:Name="SidebarColumn" Width="118" />
+            <ColumnDefinition Width="360" />
             <ColumnDefinition Width="*" />
         </Grid.ColumnDefinitions>
 
@@ -337,7 +337,7 @@
                 Background="{StaticResource SidebarBrush}"
                 BorderBrush="#B9C7D1"
                 BorderThickness="0,0,1,0"
-                Padding="12">
+                Padding="18,16,14,16">
             <Grid>
                 <ScrollViewer x:Name="SidebarDetails"
                               VerticalScrollBarVisibility="Auto"
@@ -346,21 +346,10 @@
                         <Border Style="{StaticResource PanelBorderStyle}"
                                 Background="{StaticResource SurfaceRaisedBrush}"
                                 Margin="0,0,0,14">
-                            <Grid>
+                            <StackPanel>
-                                <Grid.ColumnDefinitions>
+                                <TextBlock Style="{StaticResource SectionTitleStyle}" Text="试验参数" />
-                                    <ColumnDefinition Width="*" />
+                                <TextBlock Style="{StaticResource SectionHintStyle}" Text="参数编辑保留在侧栏，主界面聚焦控制、曲线和结果。" />
-                                    <ColumnDefinition Width="Auto" />
+                            </StackPanel>
-                                </Grid.ColumnDefinitions>
-                                <StackPanel Grid.Column="0" Margin="0,0,12,0">
-                                    <TextBlock Style="{StaticResource SectionTitleStyle}" Text="试验参数" />
-                                    <TextBlock Style="{StaticResource SectionHintStyle}" Text="参数编辑保留在侧栏，主界面聚焦控制、曲线和结果。" />
-                                </StackPanel>
-                                <Button Grid.Column="1"
-                                        Width="88"
-                                        Style="{StaticResource GhostButtonStyle}"
-                                        Click="ToggleSidebar_Click"
-                                        Content="收起" />
-                            </Grid>
                         </Border>
 
                         <Border Style="{StaticResource PanelBorderStyle}"
@@ -505,48 +494,6 @@
                     </StackPanel>
                 </ScrollViewer>
 
-                <Grid x:Name="SidebarCollapsedRail" Visibility="Collapsed">
-                    <Border Style="{StaticResource PanelBorderStyle}"
-                            Background="{StaticResource SurfaceRaisedBrush}"
-                            Padding="10">
-                        <StackPanel VerticalAlignment="Center">
-                            <Button Width="52"
-                                    Height="42"
-                                    Padding="0"
-                                    HorizontalAlignment="Center"
-                                    Margin="0,0,0,12"
-                                    Style="{StaticResource GhostButtonStyle}"
-                                    Click="ToggleSidebar_Click"
-                                    Content=">" />
-                            <TextBlock HorizontalAlignment="Center"
-                                       FontSize="15"
-                                       FontWeight="SemiBold"
-                                       Text="参数" />
-                            <Border Height="4"
-                                    Margin="8,14,8,14"
-                                    Background="{StaticResource AccentStripBrush}"
-                                    CornerRadius="2" />
-                            <Border Style="{StaticResource InsetCardStyle}" Padding="10">
-                                <StackPanel>
-                                    <TextBlock HorizontalAlignment="Center"
-                                               Style="{StaticResource CaptionStyle}"
-                                               Text="状态" />
-                                    <TextBlock HorizontalAlignment="Center"
-                                               FontWeight="SemiBold"
-                                               Text="{Binding MachineState, Mode=OneWay}" />
-                                    <TextBlock Margin="0,10,0,0"
-                                               HorizontalAlignment="Center"
-                                               Style="{StaticResource CaptionStyle}"
-                                               Text="{Binding Recipe.BatchNumber, Mode=TwoWay}" />
-                                </StackPanel>
-                            </Border>
-                            <TextBlock Margin="0,14,0,0"
-                                       HorizontalAlignment="Center"
-                                       Style="{StaticResource SectionHintStyle}"
-                                       Text="展开编辑" />
-                        </StackPanel>
-                    </Border>
-                </Grid>
             </Grid>
         </Border>
 
@@ -767,8 +714,11 @@
 
                             <Border Grid.Column="0"
                                     Style="{StaticResource PanelBorderStyle}"
-                                    Margin="0,0,16,0">
+                                    Margin="0,0,16,0"
-                                <Grid>
+                                    HorizontalAlignment="Stretch"
+                                    VerticalAlignment="Stretch">
+                                <Grid HorizontalAlignment="Stretch"
+                                      VerticalAlignment="Stretch">
                                     <Grid.RowDefinitions>
                                         <RowDefinition Height="Auto" />
                                         <RowDefinition Height="*" />
@@ -784,13 +734,20 @@
                                             BorderBrush="#C2D0D9"
                                             BorderThickness="1"
                                             CornerRadius="14"
-                                            Padding="8">
+                                            Padding="8"
+                                            MinHeight="360"
+                                            HorizontalAlignment="Stretch"
+                                            VerticalAlignment="Stretch">
                                         <Border Background="{StaticResource ChartSurfaceBrush}"
                                                 BorderBrush="#98A9B7"
                                                 BorderThickness="1"
                                                 CornerRadius="10"
-                                                Padding="6">
+                                                Padding="8,8,8,18"
+                                                HorizontalAlignment="Stretch"
+                                                VerticalAlignment="Stretch">
                                             <lvc:CartesianChart x:Name="RealtimeForceChart"
+                                                                HorizontalAlignment="Stretch"
+                                                                VerticalAlignment="Stretch"
                                                                 Series="{Binding ForceSeries}"
                                                                 XAxes="{Binding ForceXAxes}"
                                                                 YAxes="{Binding ForceYAxes}"

COFTester/MainWindow.xaml.cs

@@ -4,22 +4,20 @@ using System.Windows.Controls;
 using System.Windows.Input;
 using System.Windows.Threading;
 using COFTester.ViewModels;
+using LiveChartsCore.Kernel;
 
 namespace COFTester;
 
 public partial class MainWindow : Window
 {
-    private const double ExpandedSidebarWidth = 360;
-    private const double CollapsedSidebarWidth = 118;
     private readonly MainViewModel _viewModel = new();
-    private bool _isSidebarCollapsed;
     private bool _isRealtimeChartLayoutRefreshQueued;
 
     public MainWindow()
     {
         InitializeComponent();
         DataContext = _viewModel;
-        SetSidebarCollapsed(true);
+        QueueRealtimeChartLayoutRefresh();
     }
 
     protected override void OnClosed(EventArgs e)
@@ -28,9 +26,16 @@ public partial class MainWindow : Window
         base.OnClosed(e);
     }
 
-    private void ToggleSidebar_Click(object sender, RoutedEventArgs e)
+    protected override void OnContentRendered(EventArgs e)
     {
-        SetSidebarCollapsed(!_isSidebarCollapsed);
+        base.OnContentRendered(e);
+        QueueRealtimeChartLayoutRefresh();
+    }
+
+    protected override void OnStateChanged(EventArgs e)
+    {
+        base.OnStateChanged(e);
+        QueueRealtimeChartLayoutRefresh();
     }
 
     private void ShowRealtimeTab_Click(object sender, RoutedEventArgs e)
@@ -96,16 +101,6 @@ public partial class MainWindow : Window
         }
     }
 
-    private void SetSidebarCollapsed(bool collapsed)
-    {
-        _isSidebarCollapsed = collapsed;
-        SidebarColumn.Width = new GridLength(collapsed ? CollapsedSidebarWidth : ExpandedSidebarWidth);
-        SidebarDetails.Visibility = collapsed ? Visibility.Collapsed : Visibility.Visible;
-        SidebarCollapsedRail.Visibility = collapsed ? Visibility.Visible : Visibility.Collapsed;
-        SidebarHost.Padding = collapsed ? new Thickness(12) : new Thickness(18, 16, 14, 16);
-        QueueRealtimeChartLayoutRefresh();
-    }
-
     private void QueueRealtimeChartLayoutRefresh()
     {
         if (_isRealtimeChartLayoutRefreshQueued)
@@ -114,13 +109,25 @@ public partial class MainWindow : Window
         }
 
         _isRealtimeChartLayoutRefreshQueued = true;
-        Dispatcher.BeginInvoke(RefreshRealtimeChartLayout, DispatcherPriority.ContextIdle);
+        Dispatcher.BeginInvoke(RunRealtimeChartLayoutRefreshSequence, DispatcherPriority.Loaded);
+    }
+
+    private void RunRealtimeChartLayoutRefreshSequence()
+    {
+        RefreshRealtimeChartLayout();
+        Dispatcher.BeginInvoke(() =>
+        {
+            RefreshRealtimeChartLayout();
+            Dispatcher.BeginInvoke(() =>
+            {
+                RefreshRealtimeChartLayout();
+                _isRealtimeChartLayoutRefreshQueued = false;
+            }, DispatcherPriority.ApplicationIdle);
+        }, DispatcherPriority.Render);
     }
 
     private void RefreshRealtimeChartLayout()
     {
-        _isRealtimeChartLayoutRefreshQueued = false;
-
         if (RealtimeForceChart.ActualWidth <= 0 || RealtimeForceChart.ActualHeight <= 0)
         {
             return;
@@ -129,5 +136,10 @@ public partial class MainWindow : Window
         RealtimeForceChart.InvalidateMeasure();
         RealtimeForceChart.InvalidateArrange();
         RealtimeForceChart.UpdateLayout();
+        RealtimeForceChart.CoreChart.Update(new ChartUpdateParams
+        {
+            IsAutomaticUpdate = false,
+            Throttling = false
+        });
     }
 }

COFTester/ViewModels/MainViewModel.cs

@@ -54,6 +54,9 @@ public sealed class MainViewModel : ObservableObject, IDisposable
     private static readonly TimeSpan RealtimeChartRefreshInterval = TimeSpan.FromMilliseconds(250);
     private const double RealtimeChartDisplacementStepMm = 0.5;
     private const double RealtimeChartXAxisPaddingMm = 5;
+    private const double MinimumEmptyChartXAxisMaxLimit = 1;
+    private const double EmptyChartYAxisMaxLimit = 0.5;
+    private const double EmptyChartPointForceN = 0.001;
 
     private readonly DispatcherTimer _timer;
     private readonly DispatcherTimer _deviceReconnectTimer;
@@ -231,8 +234,8 @@ public sealed class MainViewModel : ObservableObject, IDisposable
             }
         ];
 
-        _lastForceXAxisMaxLimit = 1;
+        _lastForceXAxisMaxLimit = GetEmptyChartXAxisMaxLimit();
-        _lastForceYAxisMaxLimit = 0.5;
+        _lastForceYAxisMaxLimit = EmptyChartYAxisMaxLimit;
         ForceXAxes = CreateForceXAxes(_lastForceXAxisMaxLimit);
         ForceYAxes = CreateForceYAxes(_lastForceYAxisMaxLimit);
 
@@ -241,13 +244,14 @@ public sealed class MainViewModel : ObservableObject, IDisposable
             Xi = Recipe.TravelMm * 0.35,
             Xj = Recipe.TravelMm,
             Yi = 0,
-            Yj = 1,
+            Yj = EmptyChartYAxisMaxLimit,
             Fill = new SolidColorPaint(new SKColor(0, 105, 180, 18)),
             Stroke = new SolidColorPaint(new SKColor(0, 105, 180, 70), 1)
         };
 
         ForceSections = [_kineticBand];
 
+        ShowEmptyRealtimeChartFrame();
         LoadHistoryFromDatabase();
         UpdateDerivedValues();
         AddInfoEvent("系统启动，正在初始化 PLC 通信与本地数据存储。");
@@ -1262,7 +1266,7 @@ public sealed class MainViewModel : ObservableObject, IDisposable
                 NamePaint = new SolidColorPaint(new SKColor(33, 49, 61)),
                 SeparatorsPaint = new SolidColorPaint(new SKColor(209, 219, 227), 1),
                 SubseparatorsPaint = new SolidColorPaint(new SKColor(229, 236, 242), 1),
-                Padding = new Padding(8, 0, 0, 0)
+                Padding = new Padding(8, 0, 12, 8)
             }
         ];
     }
@@ -1661,10 +1665,43 @@ public sealed class MainViewModel : ObservableObject, IDisposable
         }
         else
         {
-            _currentPointSample.Clear();
+            ShowEmptyRealtimeChartFrame();
         }
     }
 
+    private void ShowEmptyRealtimeChartFrame()
+    {
+        _forceSamples.Clear();
+        _peakLineSamples.Clear();
+        _averageLineSamples.Clear();
+        _currentPointSample.Clear();
+        _currentPointSample.Add(new ObservablePoint(0, EmptyChartPointForceN));
+        SetAxisLimits(GetEmptyChartXAxisMaxLimit(), EmptyChartYAxisMaxLimit);
+        _kineticBand.Xi = Recipe.TravelMm * 0.35;
+        _kineticBand.Xj = Recipe.TravelMm;
+        _kineticBand.Yi = 0;
+        _kineticBand.Yj = EmptyChartYAxisMaxLimit;
+        OnPropertyChanged(nameof(ForceSections));
+    }
+
+    private void RefreshEmptyRealtimeChartFrameIfVisible()
+    {
+        if (_machineRuntimeState != MachineRuntimeState.Idle ||
+            _isShowingHistoricalRun ||
+            _currentRunSamples.Count > 0 ||
+            _forceSamples.Count > 0)
+        {
+            return;
+        }
+
+        ShowEmptyRealtimeChartFrame();
+    }
+
+    private double GetEmptyChartXAxisMaxLimit()
+    {
+        return Math.Max(Recipe.TravelMm, MinimumEmptyChartXAxisMaxLimit);
+    }
+
     private void ResetRealtimePresentation()
     {
         _forceSamples.Clear();
@@ -1692,13 +1729,7 @@ public sealed class MainViewModel : ObservableObject, IDisposable
         CurrentKineticCoefficient = 0;
         TrialProgressPercent = 0;
 
-        SetAxisLimits(1, 0.5);
+        ShowEmptyRealtimeChartFrame();
-        _kineticBand.Xi = Recipe.TravelMm * 0.35;
-        _kineticBand.Xj = Recipe.TravelMm;
-        _kineticBand.Yi = 0;
-        _kineticBand.Yj = 0.5;
-
-        OnPropertyChanged(nameof(ForceSections));
     }
 
     private void ResetActiveRunContext()
@@ -1799,6 +1830,12 @@ public sealed class MainViewModel : ObservableObject, IDisposable
         {
             AddWarningEvent($"测试参数写入 PLC 失败 {e.PropertyName}: {ex.Message}");
         }
+
+        if (e.PropertyName == nameof(TestRecipe.TravelMm))
+        {
+            RefreshEmptyRealtimeChartFrameIfVisible();
+            RaiseStatusProperties();
+        }
     }
 
     private async Task SyncRecipeFromPlcAsync()
@@ -1830,6 +1867,9 @@ public sealed class MainViewModel : ObservableObject, IDisposable
         {
             _isSyncingRecipeFromPlc = false;
         }
+
+        RefreshEmptyRealtimeChartFrameIfVisible();
+        RaiseStatusProperties();
     }
 
     private async Task SyncRecipePropertyToPlcAsync(string propertyName)