feat(Tooltip): can use 'parent' as the activator when inside a container

docs/Masa.Blazor.Docs/Examples/components/tooltips/Activator.razor

@@ -0,0 +1,18 @@
+<div class="text-center d-flex align-center justify-space-around">
+    <MButton Id="tooltip-activator-id">
+        ID as activator
+        <MTooltip Activator="#tooltip-activator-id"
+                  Text="Tooltip"/>
+    </MButton>
+
+    <MButton Class="tooltip-activator-css-selector">
+        CSS selector as activator
+        <MTooltip Activator=".tooltip-activator-css-selector"
+                  Text="Tooltip"/>
+    </MButton>
+
+    <MButton>
+        Parent as activator
+        <MTooltip Activator="parent" Text="Tooltip"/>
+    </MButton>
+</div>

docs/Masa.Blazor.Docs/wwwroot/data/apis/tooltips/MTooltip-en-US.json

@@ -1,5 +1,6 @@
 {
   "props": {
+    "activator": "Specifies a CSS selector as the activator element; use `parent` to set the activator as the parent element",
     "allowOverflow": "Removes overflow re-positioning for the content",
     "attach": "Specifies which DOM element that this component should detach to.String can be any valid querySelector and Object can be any valid Node. This will attach to the root (MApp)[/components/apps] component by default.",
     "contentClass": "Applies a custom class to the detached element. This is useful because the content is moved to the beginning of the (MApp)[/components/apps] component (unless the `Attach` prop is provided) and is not targettable by classes passed directly on the component.",

docs/Masa.Blazor.Docs/wwwroot/data/apis/tooltips/MTooltip-zh-CN.json

@@ -1,5 +1,6 @@
 {
   "props": {
+    "activator": "指定CSS选择器作为激活器的元素；使用`parent`将激活器设置为父元素",
     "allowOverflow": "移除内容的溢出重新定位",
     "attach": "指定此组件应该与哪个 DOM 元素分离。to.String 可以是任何有效的 querySelector，对象可以是任何有效的 Node。这将默认挂载到根节点 (MApp)[/components/apps]。",
     "contentClass": "将自定义类应用于分离的元素。这很有用，因为内容被移动到 (MApp)[/components/apps] 组件的开头（除非提供了 `Attach` 属性），并且不被直接作为目标传递到组件上的类。",

docs/Masa.Blazor.Docs/wwwroot/pages/components/tooltips/en-US.md

@@ -19,6 +19,12 @@ Tooltips can wrap any element.
 
 ### Props
 
+#### Activator {released-on=v1.9.0}
+
+In addition to specifying an activator element using `ActivatorContent`, you can also use the `Activator` property to specify a CSS selector as the activator. `parent` is a predefined selector that points to the parent element.
+
+<masa-example file="Examples.components.tooltips.Activator"></masa-example>
+
 #### Alignment
 
 A tooltip can be aligned to any of the four sides of the activator element.

docs/Masa.Blazor.Docs/wwwroot/pages/components/tooltips/zh-CN.md

@@ -19,6 +19,12 @@ related:
 
 ### 属性 {#props}
 
+#### 触发器 {#activator released-on=v1.9.0}
+
+除了使用 `ActivatorContent` 指定触发器元素外，还可以使用 `Activator` 属性指定CSS选择器作为触发器。`parent` 是预定义的指向父元素的选择器。
+
+<masa-example file="Examples.components.tooltips.Activator"></masa-example>
+
 #### 对齐 {#alignment}
 
 提示可以对齐到激活器元素的四个侧面。
@@ -29,4 +35,4 @@ related:
 
 可使用 `@bind-Value` 编程性修改提示可见性。
 
-<masa-example file="Examples.components.tooltips.Visibility"></masa-example>
+<masa-example file="Examples.components.tooltips.Visibility"></masa-example>

src/Masa.Blazor.JS/src/interop.ts

@@ -4,7 +4,9 @@ import throttle from "just-throttle";
 import { parseDragEvent, parseMouseEvent, parseTouchEvent, touchEvents } from "./events/EventType";
 import { registerExtraEvents } from "./events/index";
 import registerRippleObserver from "./ripple";
-import { canUseDom, getBlazorId, getDom, getElementSelector, IN_BROWSER } from "./utils/helper";
+import {
+    canUseDom, getActivator, getBlazorId, getDom, getElementSelector, IN_BROWSER
+} from "./utils/helper";
 
 window.onload = function () {
   registerExtraEvents();
@@ -1050,7 +1052,7 @@ export function getMenuableDimensions(hasActivator, activatorSelector, isDefault
   };
 
   if (hasActivator) {
-    var activator = document.querySelector(activatorSelector);
+    var activator = getActivator(activatorSelector)
     dimensions.activator = measure(activator, isDefaultAttach)
     dimensions.activator.offsetLeft = activator.offsetLeft
     if (!isDefaultAttach) {

src/Masa.Blazor.JS/src/mixins/activatable.ts

@@ -1,3 +1,5 @@
+import { getActivator } from "utils/helper";
+
 import { parseMouseEvent } from "../events/EventType";
 import Delayable from "./delayable";
 
@@ -32,10 +34,7 @@ class Activatable extends Delayable {
   ) {
     super(openDelay, closeDelay, dotNetHelper);
 
-    const activator = document.querySelector(activatorSelector);
-    if (activator) {
-      this.activator = activator as HTMLElement;
-    }
+    this.activator = getActivator(activatorSelector);
 
     this.disabled = disabled;
     this.openOnClick = openOnClick;

src/Masa.Blazor.JS/src/utils/helper.ts

@@ -211,4 +211,23 @@ export function convertToUnit (str: string | number | null | undefined, unit = '
   } else {
     return `${Number(str)}${unit}`
   }
+}
+
+export function getActivator(selector: string): HTMLElement | null {
+  if (selector.startsWith("$parent.")) {
+    const parentSelector = selector.replace("$parent.", "");
+    const parentElement = document.querySelector(parentSelector)?.parentElement;
+    if (!parentElement) {
+      return null;
+    }
+
+    // special case for MButton component
+    if (parentElement.classList.contains('m-btn__content')) {
+      return parentElement.parentElement as HTMLElement;
+    }
+
+    return parentElement;
+  } else {
+    return document.querySelector(selector);
+  }
 }

src/Masa.Blazor/Mixins/Activatable/MActivatableBase.cs

@@ -5,7 +5,7 @@ namespace Masa.Blazor.Mixins.Activatable;
 public class MActivatableBase : MToggleable, IActivatableJsCallbacks
 {
     [Inject]
-    private ActivatableJsModule? Module { get; set; }
+    private ActivatableJsModule? ActivatableJSModule { get; set; }
 
     [Parameter]
     public bool Disabled
@@ -50,15 +50,15 @@ public bool OpenOnFocus
 
     protected string ActivatorId => _activatorId ??= $"_activator_{Guid.NewGuid()}";
 
-    public string ActivatorSelector => Activator ?? $"[{ActivatorId}]";
+    public string ActivatorSelector => Activator == "parent" ? $"$parent.{Ref.GetSelector()}" : (Activator ?? $"[{ActivatorId}]");
 
     protected override async Task OnAfterRenderAsync(bool firstRender)
     {
         await base.OnAfterRenderAsync(firstRender);
 
         if (firstRender)
         {
-            await Module!.InitializeAsync(this);
+            await ActivatableJSModule!.InitializeAsync(this);
         }
     }
 
@@ -100,7 +100,7 @@ protected override void OnValueChanged(bool value)
 
     private void ResetActivatorEvents()
     {
-        _ = Module?.ResetEvents();
+        _ = ActivatableJSModule?.ResetEvents();
     }
 
     public virtual Task HandleOnClickAsync(MouseEventArgs args)
@@ -117,7 +117,7 @@ public async Task SetActive(bool val)
 
     protected void UpdateActiveInJS(bool val)
     {
-        _ = Module?.SetActive(val);
+        _ = ActivatableJSModule?.SetActive(val);
     }
 
     protected virtual void RunDirectly(bool val)
@@ -127,16 +127,16 @@ protected virtual void RunDirectly(bool val)
 
     protected void RegisterPopupEvents(string selector, bool closeOnContentClick)
     {
-        _ = Module?.RegisterPopup(selector, closeOnContentClick);
+        _ = ActivatableJSModule?.RegisterPopup(selector, closeOnContentClick);
     }
 
     protected void ResetPopupEvents(bool closeOnContentClick)
     {
-        _ = Module?.ResetPopupEvents(closeOnContentClick);
+        _ = ActivatableJSModule?.ResetPopupEvents(closeOnContentClick);
     }
 
     protected void ResetDelay()
     {
-        _ = Module?.ResetDelay(OpenDelay, CloseDelay);
+        _ = ActivatableJSModule?.ResetDelay(OpenDelay, CloseDelay);
     }
 }

src/Masa.Blazor/Mixins/Menuable/MMenuable.cs

@@ -177,7 +177,7 @@ protected double ComputedTop
 
     protected double AbsoluteYOffset => PageYOffset - RelativeYOffset;
 
-    protected bool HasActivator => ActivatorContent != null || ExternalActivator;
+    protected bool HasActivator => ActivatorContent != null || Activator is not null || ExternalActivator;
 
     protected virtual string? DefaultAttachSelector => default;