From 64813fd541f9937b8a9355acd45d4f0ec3f1b4b1 Mon Sep 17 00:00:00 2001
From: Alex Macocian <amacocian@yahoo.com>
Date: Tue, 27 Aug 2024 18:38:36 +0200
Subject: [PATCH] ContentPageWithContext implementation

---
 Net.Maui.Extensions/ContentPageWithContext.cs | 27 +++++++++++++++++++
 .../Net.Maui.Extensions.csproj                |  2 +-
 2 files changed, 28 insertions(+), 1 deletion(-)
 create mode 100644 Net.Maui.Extensions/ContentPageWithContext.cs

diff --git a/Net.Maui.Extensions/ContentPageWithContext.cs b/Net.Maui.Extensions/ContentPageWithContext.cs
new file mode 100644
index 0000000..480b86c
--- /dev/null
+++ b/Net.Maui.Extensions/ContentPageWithContext.cs
@@ -0,0 +1,27 @@
+using System.Extensions;
+using System.Runtime.CompilerServices;
+
+namespace Net.Maui.Extensions;
+
+public abstract class ContentPageWithContext<T> : ContentPage
+{
+	public new T BindingContext
+	{
+		get => base.BindingContext.Cast<T>();
+		set => base.BindingContext = value;
+	}
+
+    protected override void OnPropertyChanged([CallerMemberName] string? propertyName = null)
+    {
+        if (propertyName == BindingContextProperty.PropertyName)
+        {
+            if (base.BindingContext is not T)
+            {
+                throw new InvalidOperationException($"Binding context has been set to a value of type {base.BindingContext.GetType().Name}. Only values of type {typeof(T).Name}");
+            }
+
+        }
+
+        base.OnPropertyChanged(propertyName);
+    }
+}
\ No newline at end of file
diff --git a/Net.Maui.Extensions/Net.Maui.Extensions.csproj b/Net.Maui.Extensions/Net.Maui.Extensions.csproj
index 59fa6b7..3fdfefa 100644
--- a/Net.Maui.Extensions/Net.Maui.Extensions.csproj
+++ b/Net.Maui.Extensions/Net.Maui.Extensions.csproj
@@ -20,7 +20,7 @@
 		<ImplicitUsings>enable</ImplicitUsings>
 		<Nullable>enable</Nullable>
     <IsPackable>true</IsPackable>
-    <Version>0.2.5</Version>
+    <Version>0.2.6</Version>
     <Authors>Alexandru Macocian</Authors>
     <PackageLicenseFile>LICENSE</PackageLicenseFile>
     <PackageRequireLicenseAcceptance>true</PackageRequireLicenseAcceptance>