dynamically adjust tab title length

Author: NeVeSpl

sources/RevitDBExplorer/Extensions/System/StringExtensions.cs

@@ -74,7 +74,9 @@ public static string RemovePrefix(this string input, string prefix)
         public static string Truncate(this string value, int maxChars)
         {
             if (value == null) return null;
-            return value.Length <= maxChars ? value : value.Substring(0, maxChars) + "...";
+            if (maxChars <= 3) return value;
+
+            return value.Length <= maxChars ? value : value.Substring(0, maxChars - 3) + "...";
         }
 
         public static string ReplaceMany(this string input, IEnumerable<(string, string)> replacements)

sources/RevitDBExplorer/UIComponents/Workspaces/WorkspaceViewModel.cs

@@ -201,5 +201,8 @@ void IAmScriptOpener.Open(string scriptText)
         {
             openRDSWithGivenScript(scriptText);
         }
+
+
+        public void RefreshTab() => OnPropertyChanged(nameof(InfoAboutSource));
     }
 }

sources/RevitDBExplorer/UIComponents/Workspaces/WorkspacesView.xaml

@@ -13,7 +13,10 @@
              xmlns:componentCAndC="clr-namespace:RevitDBExplorer.UIComponents.CommandAndControl"    
              xmlns:controls="clr-namespace:RevitDBExplorer.WPF.Controls"    
              mc:Ignorable="d" 
-             d:DesignHeight="450" d:DesignWidth="800">
+             d:DesignHeight="450"
+             d:DesignWidth="800"
+             SizeChanged="Grid_SizeChanged"
+             >
     <UserControl.Resources>
         <ResourceDictionary>
             <ResourceDictionary.MergedDictionaries>
@@ -27,8 +30,8 @@
             <converters:BoolToVisibilityConverter x:Key="BoolToVisibilityConverterHidden" WhenFalse="Hidden"/>
             <converters:BoolToVisibilityConverter x:Key="BoolToVisibilityConverterHiddenInverted" WhenFalse="Visible" WhenTrue="Hidden"/>
             <converters:EnumMatchToVisibilityConverter x:Key="EnumMatchToVisibilityConverter"/>
-            <converters:StringTruncateConverter x:Key="StringTruncateConverter" MaxChars="27"/>
-            
+            <converters:StringTruncateConverter x:Key="StringTruncateConverter" MaxChars="{Binding TabTitleMaxLength}"/>
+
 
             <Style TargetType="{x:Type TabItem}">
                 <Setter Property="Template">

sources/RevitDBExplorer/UIComponents/Workspaces/WorkspacesView.xaml.cs

@@ -10,5 +10,13 @@ public WorkspacesView()
         {
             InitializeComponent();
         }
+
+        private void Grid_SizeChanged(object sender, System.Windows.SizeChangedEventArgs e)
+        {
+            if (this.DataContext is WorkspacesViewModel workspacesViewModel) 
+            {
+                workspacesViewModel.Width = e.NewSize.Width;
+            }
+        }
     }
 }

sources/RevitDBExplorer/UIComponents/Workspaces/WorkspacesViewModel.cs

@@ -24,6 +24,8 @@ internal class WorkspacesViewModel : BaseViewModel
         private readonly ObservableCollection<WorkspaceViewModel> workspaces = new ObservableCollection<WorkspaceViewModel>();
         private WorkspaceViewModel selectedWorkspace;
         private double firstColumnWidth;
+        private int tabTitleMaxLength =27;
+        private double width;
 
         public event Action<SelectedItemChangedEventArgs> SelectedItemsChanged;
         public ObservableCollection<WorkspaceViewModel> Workspaces => workspaces;
@@ -40,6 +42,30 @@ public WorkspaceViewModel SelectedWorkspace
                 OnPropertyChanged();
             }
         }
+        public int TabTitleMaxLength
+        {
+            get
+            {
+                return tabTitleMaxLength;
+            }
+            set
+            {
+                tabTitleMaxLength = value;
+                OnPropertyChanged();
+            }
+        }
+        public double Width
+        {
+            get
+            {
+                return width;
+            }
+            set
+            {
+                width = value;                
+                AdjustTabTitleLength();
+            }
+        }
 
 
         public WorkspacesViewModel(IAmWindowOpener windowOpener, IAmQueryExecutor queryExecutor, Action<string> openRDSWithGivenScript)
@@ -94,6 +120,7 @@ private void SetSelectedWorkspace(WorkspaceViewModel workspaceViewModel)
         {
             selectedWorkspace = workspaceViewModel;
             OnPropertyChanged(nameof(SelectedWorkspace));
+            AdjustTabTitleLength();
         }
         private WorkspaceViewModel GetFirstAvailableWorkspace()
         {
@@ -153,6 +180,20 @@ private void Workspace_ListSelectedItemChanged(ListSelectedItemChangedEventArgs
         {
             SelectedItemsChanged?.Invoke(new SelectedItemChangedEventArgs(null, eventArgs.NewOne));
         }
+
+        public void AdjustTabTitleLength()
+        {
+            if (!double.IsNaN(width))
+            {
+                var activeWorkspaces = Workspaces.Count(x => x.IsActive == true);
+                var availableWidth = Math.Max(width - 222, 200);
+
+
+                int magicValue = (int)Math.Floor((availableWidth / activeWorkspaces) / 5.55) - 3;
+                TabTitleMaxLength = Math.Max(magicValue, 7);
+                Workspaces.ForEach(x => x.RefreshTab());
+            }
+        }
     }
 
     internal record class SelectedItemChangedEventArgs(TreeItem treeItem, IListItem listItem);

sources/RevitDBExplorer/WPF/Converters/StringTruncateConverter.cs

@@ -5,14 +5,27 @@
 
 namespace RevitDBExplorer.WPF.Converters
 {
-    internal class StringTruncateConverter : DependencyObject, IValueConverter
+    internal class StringTruncateConverter : Freezable, IValueConverter
     {
+        protected override Freezable CreateInstanceCore()
+        {
+            return new StringTruncateConverter();
+        }
+
+
+
         public int MaxChars
         {
             get => (int)GetValue(MaxCharsProperty);
             set => SetValue(MaxCharsProperty, value);
         }
-        public static readonly DependencyProperty MaxCharsProperty = DependencyProperty.Register("MaxChars", typeof(int), typeof(StringTruncateConverter), new PropertyMetadata(0));
+        public static readonly DependencyProperty MaxCharsProperty = DependencyProperty.Register("MaxChars", typeof(int), typeof(StringTruncateConverter), new PropertyMetadata(0, MaxCharsPropertyChanged));
+
+
+        private static void MaxCharsPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+        {
+            
+        }
 
         public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
         {