feat: Expand any Region in Codenav Panel on Single\Double Click #141

Author: sboulema

CodeNav.Shared/Models/CodeClassItem.cs

@@ -1,10 +1,12 @@
 #nullable enable
 
 using CodeNav.Helpers;
+using Microsoft.VisualStudio.PlatformUI;
 using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Windows;
+using System.Windows.Input;
 using System.Windows.Media;
 
 namespace CodeNav.Models
@@ -69,5 +71,12 @@ public Visibility HasMembersVisibility
                     : Visibility.Collapsed;
             }
         }
+
+        public ICommand ToggleIsExpandedCommand => new DelegateCommand(ToggleIsExpanded);
+        public void ToggleIsExpanded(object args)
+        {
+            IsDoubleClicked = true;
+            IsExpanded = !IsExpanded;
+        }
     }
 }

CodeNav.Shared/Models/CodeItem.cs

@@ -14,6 +14,7 @@
 using System.Runtime.Serialization;
 using Task = System.Threading.Tasks.Task;
 using Microsoft.VisualStudio.Shell;
+using System.Threading;
 
 namespace CodeNav.Models
 {
@@ -108,6 +109,8 @@ public bool ContextMenuIsOpen
             set => SetProperty(ref _contextMenuIsOpen, value);
         }
 
+        public bool IsDoubleClicked;
+
         #region Fonts
         private float _fontSize;
         public float FontSize
@@ -199,10 +202,20 @@ public Color NameBackgroundColor
 
         #region Commands
         public ICommand ClickItemCommand => new DelegateCommand(ClickItem);
-        public void ClickItem(object args)
+        public void ClickItem() => ClickItemAsync().FireAndForget();
+
+        private async Task ClickItemAsync()
         {
+            await Task.Delay(200);
+
+            if (IsDoubleClicked)
+            {
+                IsDoubleClicked = false;
+                return;
+            }
+
             HistoryHelper.AddItemToHistory(this);
-            DocumentHelper.ScrollToLine(StartLinePosition, FilePath).FireAndForget();
+            await DocumentHelper.ScrollToLine(StartLinePosition, FilePath);
         }
 
         public ICommand GoToDefinitionCommand => new DelegateCommand(GoToDefinition);

CodeNav.Shared/Styles/PlusMinusExpanderStyles.xaml

@@ -69,9 +69,7 @@
                                             <GradientStop Color="Transparent" Offset="1" />
                                         </LinearGradientBrush>
                                     </Border.BorderBrush>
-                                    <Button Command="{Binding Path=ClickItemCommand}" 
-                                            CommandParameter="{Binding StartLinePosition}"
-                                            ContentTemplate="{TemplateBinding HeaderTemplate}"
+                                    <Button ContentTemplate="{TemplateBinding HeaderTemplate}"
                                             ContentTemplateSelector="{TemplateBinding HeaderTemplateSelector}"
                                             Content="{TemplateBinding Header}"
                                             Padding="{TemplateBinding Padding}"
@@ -88,7 +86,18 @@
                                             Style="{StaticResource {x:Static ToolBar.ButtonStyleKey}}" 
                                             DockPanel.Dock="Top"
                                             BorderThickness="0"
-                                            Margin="4,0,0,0" />
+                                            Margin="4,0,0,0">
+                                        <Button.InputBindings>
+
+                                            <MouseBinding
+                                                Gesture="LeftDoubleClick"
+                                                Command="{Binding Path=ToggleIsExpandedCommand}" />
+                                            <MouseBinding
+                                                Gesture="LeftClick"
+                                                Command="{Binding Path=ClickItemCommand}"
+                                                CommandParameter="{Binding StartLinePosition}" />
+                                        </Button.InputBindings>
+                                    </Button>
                                 </Border>
 
                                 <ToggleButton