From 934a6ed20c3deb93918542d1788aa1e2bf1c3c36 Mon Sep 17 00:00:00 2001
From: Omid Mafakher <omid.mafakher@outlook.com>
Date: Wed, 11 Sep 2024 22:37:30 +0200
Subject: [PATCH] feat: make navbar optional for modal (#54 #44)

---
 src/AvaloniaInside.Shell/Page.cs      |  4 ++++
 src/AvaloniaInside.Shell/ShellView.cs | 21 +++++++++++++++++++++
 2 files changed, 25 insertions(+)

diff --git a/src/AvaloniaInside.Shell/Page.cs b/src/AvaloniaInside.Shell/Page.cs
index ff3523c..682f3d9 100644
--- a/src/AvaloniaInside.Shell/Page.cs
+++ b/src/AvaloniaInside.Shell/Page.cs
@@ -11,6 +11,7 @@
 namespace AvaloniaInside.Shell;
 
 [PseudoClasses(":modal")]
+[TemplatePart("PART_TabStripPlaceHolder", typeof(ContentPresenter))]
 public class Page : UserControl, INavigationLifecycle, INavigatorLifecycle, INavigationBarProvider
 {
 	private ContentPresenter? _navigationBarPlaceHolder;
@@ -344,6 +345,9 @@ private void ApplyNavigationBar()
 		if (Shell?.NavigationBarAttachType is not ({ } type and not NavigationBarAttachType.ToShell))
 			return;
 
+		if (IsModal && !Shell.NavigationBarForModal)
+			return;
+
 		if ((type == NavigationBarAttachType.ToLastPage && Chain is HostNavigationChain) ||
 		    (type == NavigationBarAttachType.ToFirstHostThenPage && Chain.Back is HostNavigationChain))
 			return;
diff --git a/src/AvaloniaInside.Shell/ShellView.cs b/src/AvaloniaInside.Shell/ShellView.cs
index 4589c25..3fa6aee 100644
--- a/src/AvaloniaInside.Shell/ShellView.cs
+++ b/src/AvaloniaInside.Shell/ShellView.cs
@@ -169,6 +169,27 @@ public NavigationBarAttachType NavigationBarAttachType
 
     #endregion
 
+    #region NavigationBarForModal
+
+    /// <summary>
+    /// Defines the <see cref="NavigationBarAttachTypeProperty"/> property.
+    /// </summary>
+    public static readonly StyledProperty<bool> NavigationBarForModalProperty =
+	    AvaloniaProperty.Register<ShellView, bool>(
+		    nameof(NavigationBarForModal),
+		    defaultValue: false);
+
+    /// <summary>
+    /// Gets or sets the type of attach navigation bar.
+    /// </summary>
+    public bool NavigationBarForModal
+    {
+	    get => GetValue(NavigationBarForModalProperty);
+	    set => SetValue(NavigationBarForModalProperty, value);
+    }
+
+    #endregion
+
     #endregion
 
     #region Safe area properties