Persistent split panel position for bills screen

prs.desktop/Panels/Suppliers/Bills/SupplierBillPanel.xaml

@@ -8,7 +8,8 @@
              mc:Ignorable="d"
              d:DesignHeight="300" d:DesignWidth="1000">
     <dynamicGrid:DynamicSplitPanel View="Combined" AnchorWidth="500"
-                                   x:Name="SplitPanel">
+                                   x:Name="SplitPanel"
+                                   OnChanged="SplitPanel_OnChanged">
         
         <dynamicGrid:DynamicSplitPanel.Header>
             <Border BorderBrush="Gray" BorderThickness="0.75" Background="WhiteSmoke">

prs.desktop/Panels/Suppliers/Bills/SupplierBillPanel.xaml.cs

@@ -6,163 +6,191 @@ using System.Windows;
 using System.Windows.Controls;
 using Comal.Classes;
 using InABox.Clients;
+using InABox.Configuration;
 using InABox.Core;
 using InABox.DynamicGrid;
 using InABox.WPF;
-using javax.xml.crypto;
 
-namespace PRSDesktop
+namespace PRSDesktop;
+
+public class SupplierBillPanelSettings : IUserConfigurationSettings
 {
-    public partial class SupplierBillPanel : UserControl, IPanel<Bill>
+    public SupplierBillPanelSettings()
     {
-        public SupplierBillPanel()
-        {
-            InitializeComponent();
-        }
-        
-        public bool IsReady { get; set; }
+        AnchorWidth = 500F;
+        ViewType = ScreenViewType.Combined;
+    }
 
-        public event DataModelUpdateEvent? OnUpdateDataModel;
+    public ScreenViewType ViewType { get; set; }
+    public double AnchorWidth { get; set; }
+}
 
-        public Dictionary<string, object[]> Selected()
-        {
-            return new Dictionary<string, object[]> { { typeof(Bill).EntityName(), Bills.SelectedRows } };
-        }
+public partial class SupplierBillPanel : UserControl, IPanel<Bill>
+{
+    private SupplierBillPanelSettings settings;
 
-        public void CreateToolbarButtons(IPanelHost host)
-        {
-            PostUtils.CreateToolbarButtons(host,
-                () => (DataModel(Selection.Selected) as IDataModel<Bill>)!,
-                () => Bills.Refresh(false, true),
-                true);
-        }
+    public SupplierBillPanel()
+    {
+        InitializeComponent();
+    }
+    
+    public bool IsReady { get; set; }
 
-        public string SectionName => "Supplier Bills";
+    public event DataModelUpdateEvent? OnUpdateDataModel;
 
-        public DataModel DataModel(Selection selection)
-        {
-            var ids = Bills.ExtractValues(x => x.ID, selection).ToArray();
-            return new BaseDataModel<Bill>(new Filter<Bill>(x => x.ID).InList(ids));
-        }
+    public Dictionary<string, object[]> Selected()
+    {
+        return new Dictionary<string, object[]> { { typeof(Bill).EntityName(), Bills.SelectedRows } };
+    }
+
+    public void CreateToolbarButtons(IPanelHost host)
+    {
+        PostUtils.CreateToolbarButtons(host,
+            () => (DataModel(Selection.Selected) as IDataModel<Bill>)!,
+            () => Bills.Refresh(false, true),
+            true);
+    }
+
+    public string SectionName => "Supplier Bills";
+
+    public DataModel DataModel(Selection selection)
+    {
+        var ids = Bills.ExtractValues(x => x.ID, selection).ToArray();
+        return new BaseDataModel<Bill>(new Filter<Bill>(x => x.ID).InList(ids));
+    }
 
-        public void Refresh()
+    public void Refresh()
+    {
+        if (CheckSaved())
         {
-            if (CheckSaved())
-            {
-                Bills.Refresh(false, true);
-                SetChanged(false);
-            }
+            Bills.Refresh(false, true);
+            SetChanged(false);
         }
+    }
 
-        public void Setup()
+    public void Setup()
+    {
+        settings = new UserConfiguration<SupplierBillPanelSettings>().Load();
+
+        SplitPanel.View = settings.ViewType == ScreenViewType.Register ? DynamicSplitPanelView.Master :
+            settings.ViewType == ScreenViewType.Details ? DynamicSplitPanelView.Detail : DynamicSplitPanelView.Combined;
+        SplitPanel.AnchorWidth = settings.AnchorWidth;
+
+        Bill.SetLayoutType<VerticalDynamicEditorGridLayout>();
+        Bills.Refresh(true, false);
+    }
+    
+    private void CheckSaved(CancelEventArgs cancel)
+    {
+        if (!bChanged)
         {
-            Bill.SetLayoutType<VerticalDynamicEditorGridLayout>();
-            Bills.Refresh(true, false);
+            return;
         }
-        
-        private void CheckSaved(CancelEventArgs cancel)
+        var result = MessageBox.Show("You have an unsaved Supplier Bill; do you wish to save these changes?", "Save Changes?", MessageBoxButton.YesNoCancel);
+        if (result == MessageBoxResult.Yes)
         {
-            if (!bChanged)
+            Bill.SaveItem(cancel);
+            if (!cancel.Cancel)
             {
-                return;
-            }
-            var result = MessageBox.Show("You have an unsaved Supplier Bill; do you wish to save these changes?", "Save Changes?", MessageBoxButton.YesNoCancel);
-            if (result == MessageBoxResult.Yes)
-            {
-                Bill.SaveItem(cancel);
-                if (!cancel.Cancel)
-                {
-                    MessageBox.Show("Purchase Order saved.");
-                }
-            }
-            else if (result == MessageBoxResult.Cancel)
-            {
-                cancel.Cancel = true;
+                MessageBox.Show("Purchase Order saved.");
             }
         }
-        private bool CheckSaved()
+        else if (result == MessageBoxResult.Cancel)
         {
-            var cancel = new CancelEventArgs();
-            CheckSaved(cancel);
-            return !cancel.Cancel;
+            cancel.Cancel = true;
         }
+    }
+    private bool CheckSaved()
+    {
+        var cancel = new CancelEventArgs();
+        CheckSaved(cancel);
+        return !cancel.Cancel;
+    }
 
-        public void Shutdown(CancelEventArgs? cancel)
+    public void Shutdown(CancelEventArgs? cancel)
+    {
+        if(cancel is not null)
         {
-            if(cancel is not null)
-            {
-                CheckSaved(cancel);
-            }
+            CheckSaved(cancel);
         }
+    }
 
-        public void Heartbeat(TimeSpan time)
+    public void Heartbeat(TimeSpan time)
+    {
+    }
+    
+    public Dictionary<Type, CoreTable> DataEnvironment()
+    {
+        return new Dictionary<Type, CoreTable>
         {
-        }
-        
-        public Dictionary<Type, CoreTable> DataEnvironment()
+            { typeof(Bill), Bills.Data }
+        };
+    }
+
+    private Bill[]? _bills = null;
+    
+    private void Bills_OnOnSelectItem(object sender, DynamicGridSelectionEventArgs e)
+    {
+        if(SplitPanel.View != DynamicSplitPanelView.Master)
         {
-            return new Dictionary<Type, CoreTable>
-            {
-                { typeof(Bill), Bills.Data }
-            };
+            ReloadBills();
         }
+    }
 
-        private Bill[]? _bills = null;
-        
-        private void Bills_OnOnSelectItem(object sender, DynamicGridSelectionEventArgs e)
+    private void ReloadBills()
+    {
+        if (Bills.SelectedRows?.Any() == true)
         {
-            if(SplitPanel.View != DynamicSplitPanelView.Master)
-            {
-                ReloadBills();
-            }
+            _bills = Bills.LoadBills(Bills.SelectedRows);
+            Bills.InitialiseEditorForm(Bill, _bills, null, true);
+            Bill.Visibility = Visibility.Visible;
         }
-
-        private void ReloadBills()
+        else
         {
-            if (Bills.SelectedRows?.Any() == true)
-            {
-                _bills = Bills.LoadBills(Bills.SelectedRows);
-                Bills.InitialiseEditorForm(Bill, _bills, null, true);
-                Bill.Visibility = Visibility.Visible;
-            }
-            else
-            {
-                _bills = null;
-                Bill.Visibility = Visibility.Hidden;
-            }
+            _bills = null;
+            Bill.Visibility = Visibility.Hidden;
         }
+    }
 
-        private void Bill_OnOnOK()
+    private void Bill_OnOnOK()
+    {
+        using (new WaitCursor())
         {
-            using (new WaitCursor())
+            var cancel = new System.ComponentModel.CancelEventArgs();
+            Bill.SaveItem(cancel);
+            if (!cancel.Cancel)
             {
-                var cancel = new System.ComponentModel.CancelEventArgs();
-                Bill.SaveItem(cancel);
-                if (!cancel.Cancel)
-                {
-                    ReloadBills();
-                    SetChanged(false);
-                }
+                ReloadBills();
+                SetChanged(false);
             }
         }
+    }
 
-        private void Bill_OnOnCancel()
-        {
-            ReloadBills();
-            SetChanged(false);
-        }
+    private void Bill_OnOnCancel()
+    {
+        ReloadBills();
+        SetChanged(false);
+    }
 
-        private void SetChanged(bool changed)
-        {
-            bChanged = changed;
-            Bills.IsEnabled = !changed;
-            Bill.HideButtons = !changed;
-        }
+    private void SetChanged(bool changed)
+    {
+        bChanged = changed;
+        Bills.IsEnabled = !changed;
+        Bill.HideButtons = !changed;
+    }
 
-        private bool bChanged = false;
-        private void Bill_OnOnChanged(object? sender, EventArgs e)
-        {
-            SetChanged(true);
-        }
+    private bool bChanged = false;
+    private void Bill_OnOnChanged(object? sender, EventArgs e)
+    {
+        SetChanged(true);
+    }
+
+    private void SplitPanel_OnChanged(object sender, DynamicSplitPanelSettings e)
+    {
+        settings.ViewType = SplitPanel.View == DynamicSplitPanelView.Master ? ScreenViewType.Register :
+            SplitPanel.View == DynamicSplitPanelView.Detail ? ScreenViewType.Details : ScreenViewType.Combined;
+        settings.AnchorWidth = SplitPanel.AnchorWidth;
+
+        new UserConfiguration<SupplierBillPanelSettings>().Save(settings);
     }
 }

prs.desktop/Panels/Suppliers/PurchaseOrders/SupplierPurchaseOrderPanel.xaml.cs

@@ -20,8 +20,6 @@ namespace PRSDesktop
     /// </summary>
     public partial class SupplierPurchaseOrderPanel : UserControl, IPanel<PurchaseOrder>
     {
-        private readonly List<Tuple<Guid, string>> _categories = new();
-
         private PurchaseScreenSettings settings;
 
         public SupplierPurchaseOrderPanel()