MudMenu: Add IsOpenChanged event (#7463)

* MudMenu added OnOpenedChanged (#7462) * MudMenu: renamed IsOpen changed event * MudMenu: added IsOpenChanged tests
MudBlazor · Sep 6, 2023 · b3be3ce · b3be3ce
1 parent 0652cb6
commit b3be3ce
Show file tree

Hide file tree

Showing 3 changed files with 48 additions and 1 deletion.
diff --git a/src/MudBlazor.UnitTests.Viewer/TestComponents/Menu/MenuIsOpenChangedTest.razor b/src/MudBlazor.UnitTests.Viewer/TestComponents/Menu/MenuIsOpenChangedTest.razor
@@ -0,0 +1,18 @@
+@namespace MudBlazor.UnitTests.TestComponents
+
+<MudPopoverProvider></MudPopoverProvider>
+
+<MudMenu
+    @ref="Menu"
+    IsOpenChanged="@(o => _ = o ? TrueInvocationCount++ : FalseInvocationCount++)"/>
+
+
+@code {
+
+    public MudMenu Menu { get; set; }
+
+    public int FalseInvocationCount { get; private set; }
+
+    public int TrueInvocationCount { get; private set; }
+
+}
diff --git a/src/MudBlazor.UnitTests/Components/MenuTests.cs b/src/MudBlazor.UnitTests/Components/MenuTests.cs
@@ -1,4 +1,5 @@
-using System.Text.RegularExpressions;
+using System;
+using System.Text.RegularExpressions;
 using System.Threading.Tasks;
 using Bunit;
 using FluentAssertions;
@@ -258,5 +259,24 @@ public void OpenMenu_CloseMenuOnClick_CheckStillOpen()
             comp.FindAll("div.mud-list-item")[3].Click();
             comp.FindAll("div.mud-popover-open").Count.Should().Be(1);
         }
+
+        [Test]
+        public async Task IsOpenChanged_InvokedWhenOpened_CheckTrueInvocationCountIsOne()
+        {
+            var comp = Context.RenderComponent<MenuIsOpenChangedTest>();
+            await Context.Renderer.Dispatcher.InvokeAsync(() => comp.Instance.Menu.OpenMenu(EventArgs.Empty));
+            comp.Instance.TrueInvocationCount.Should().Be(1);
+            comp.Instance.FalseInvocationCount.Should().Be(0);
+        }
+
+        [Test]
+        public async Task IsOpenChanged_InvokedWhenClosed_CheckTrueInvocationCountIsOneClickFalseInvocationCountIsOne()
+        {
+            var comp = Context.RenderComponent<MenuIsOpenChangedTest>();
+            await Context.Renderer.Dispatcher.InvokeAsync(() => comp.Instance.Menu.OpenMenu(EventArgs.Empty));
+            await Context.Renderer.Dispatcher.InvokeAsync(() => comp.Instance.Menu.CloseMenu());
+            comp.Instance.TrueInvocationCount.Should().Be(1);
+            comp.Instance.FalseInvocationCount.Should().Be(1);
+        }
     }
 }
diff --git a/src/MudBlazor/Components/Menu/MudMenu.razor.cs b/src/MudBlazor/Components/Menu/MudMenu.razor.cs
@@ -246,6 +246,13 @@ public bool PositionAtCurser
         [Parameter]
         [Category(CategoryTypes.Menu.PopupBehavior)]
         public RenderFragment ChildContent { get; set; }
+
+        /// <summary>
+        /// Fired when the menu IsOpen property changes.
+        /// </summary>
+        [Parameter]
+        [Category(CategoryTypes.Menu.PopupBehavior)]
+        public EventCallback<bool> IsOpenChanged { get; set; }
 
         public string PopoverStyle { get; set; }
 
@@ -266,6 +273,7 @@ public void CloseMenu()
             _isMouseOver = false;
             PopoverStyle = null;
             StateHasChanged();
+            IsOpenChanged.InvokeAsync(_isOpen);
         }
 
         /// <summary>
@@ -281,6 +289,7 @@ public void OpenMenu(EventArgs args)
             if (PositionAtCursor) SetPopoverStyle((MouseEventArgs)args);
             _isOpen = true;
             StateHasChanged();
+            IsOpenChanged.InvokeAsync(_isOpen);
         }
 
         // Sets the popover style ONLY when there is an activator