feat(radio): display as block when justify or alignment properties are defined (#29801)

- Change the radio's `display` property to `block` when the `justify` or `alignment` property is set.
- Set the default `justify-content` style to `space-between` so that a radio with `width: 100%` set without `justify` or `alignment` set will still have the same default
- Modifies the `label-placement` e2e test to remove the explicit width as setting the property will make them full-width
- Adds two examples to the `label-placement` e2e test of labels that do not have `justify` set but use `width: 100%` to ensure they are working as expected without it
- Adds one example to the `label-placement` e2e test of a long label that uses `justify` to ensure it still wraps properly

core/api.txt

@@ -1319,10 +1319,10 @@ ion-progress-bar,part,stream
 ion-progress-bar,part,track
 
 ion-radio,shadow
-ion-radio,prop,alignment,"center" | "start",'center',false,false
+ion-radio,prop,alignment,"center" | "start" | undefined,undefined,false,false
 ion-radio,prop,color,"danger" | "dark" | "light" | "medium" | "primary" | "secondary" | "success" | "tertiary" | "warning" | string & Record<never, never> | undefined,undefined,false,true
 ion-radio,prop,disabled,boolean,false,false,false
-ion-radio,prop,justify,"end" | "space-between" | "start",'space-between',false,false
+ion-radio,prop,justify,"end" | "space-between" | "start" | undefined,undefined,false,false
 ion-radio,prop,labelPlacement,"end" | "fixed" | "stacked" | "start",'start',false,false
 ion-radio,prop,mode,"ios" | "md",undefined,false,false
 ion-radio,prop,name,string,this.inputId,false,false

core/src/components.d.ts

@@ -2248,9 +2248,9 @@ export namespace Components {
     }
     interface IonRadio {
         /**
-          * How to control the alignment of the radio and label on the cross axis. `"start"`: The label and control will appear on the left of the cross axis in LTR, and on the right side in RTL. `"center"`: The label and control will appear at the center of the cross axis in both LTR and RTL.
+          * How to control the alignment of the radio and label on the cross axis. `"start"`: The label and control will appear on the left of the cross axis in LTR, and on the right side in RTL. `"center"`: The label and control will appear at the center of the cross axis in both LTR and RTL. Setting this property will change the radio `display` to `block`.
          */
-        "alignment": 'start' | 'center';
+        "alignment"?: 'start' | 'center';
         /**
           * The color to use from your application's color palette. Default options are: `"primary"`, `"secondary"`, `"tertiary"`, `"success"`, `"warning"`, `"danger"`, `"light"`, `"medium"`, and `"dark"`. For more information on colors, see [theming](/docs/theming/basics).
          */
@@ -2260,9 +2260,9 @@ export namespace Components {
          */
         "disabled": boolean;
         /**
-          * How to pack the label and radio within a line. `"start"`: The label and radio will appear on the left in LTR and on the right in RTL. `"end"`: The label and radio will appear on the right in LTR and on the left in RTL. `"space-between"`: The label and radio will appear on opposite ends of the line with space between the two elements.
+          * How to pack the label and radio within a line. `"start"`: The label and radio will appear on the left in LTR and on the right in RTL. `"end"`: The label and radio will appear on the right in LTR and on the left in RTL. `"space-between"`: The label and radio will appear on opposite ends of the line with space between the two elements. Setting this property will change the radio `display` to `block`.
          */
-        "justify": 'start' | 'end' | 'space-between';
+        "justify"?: 'start' | 'end' | 'space-between';
         /**
           * Where to place the label relative to the radio. `"start"`: The label will appear to the left of the radio in LTR and to the right in RTL. `"end"`: The label will appear to the right of the radio in LTR and to the left in RTL. `"fixed"`: The label has the same behavior as `"start"` except it also has a fixed width. Long text will be truncated with ellipses ("..."). `"stacked"`: The label will appear above the radio regardless of the direction. The alignment of the label can be controlled with the `alignment` property.
          */
@@ -6939,7 +6939,7 @@ declare namespace LocalJSX {
     }
     interface IonRadio {
         /**
-          * How to control the alignment of the radio and label on the cross axis. `"start"`: The label and control will appear on the left of the cross axis in LTR, and on the right side in RTL. `"center"`: The label and control will appear at the center of the cross axis in both LTR and RTL.
+          * How to control the alignment of the radio and label on the cross axis. `"start"`: The label and control will appear on the left of the cross axis in LTR, and on the right side in RTL. `"center"`: The label and control will appear at the center of the cross axis in both LTR and RTL. Setting this property will change the radio `display` to `block`.
          */
         "alignment"?: 'start' | 'center';
         /**
@@ -6951,7 +6951,7 @@ declare namespace LocalJSX {
          */
         "disabled"?: boolean;
         /**
-          * How to pack the label and radio within a line. `"start"`: The label and radio will appear on the left in LTR and on the right in RTL. `"end"`: The label and radio will appear on the right in LTR and on the left in RTL. `"space-between"`: The label and radio will appear on opposite ends of the line with space between the two elements.
+          * How to pack the label and radio within a line. `"start"`: The label and radio will appear on the left in LTR and on the right in RTL. `"end"`: The label and radio will appear on the right in LTR and on the left in RTL. `"space-between"`: The label and radio will appear on opposite ends of the line with space between the two elements. Setting this property will change the radio `display` to `block`.
          */
         "justify"?: 'start' | 'end' | 'space-between';
         /**

core/src/components/radio/radio.scss

@@ -90,6 +90,7 @@ input {
   flex-grow: 1;
 
   align-items: center;
+  justify-content: space-between;
 
   height: inherit;
 
@@ -165,6 +166,20 @@ input {
   align-items: center;
 }
 
+// Justify Content & Align Items
+// ---------------------------------------------
+
+// The radio should be displayed as block when either justify
+// or alignment is set; otherwise, these properties will have no
+// visible effect.
+:host(.radio-justify-space-between),
+:host(.radio-justify-start),
+:host(.radio-justify-end),
+:host(.radio-alignment-start),
+:host(.radio-alignment-center) {
+  display: block;
+}
+
 // Radio Label Placement - Start
 // ----------------------------------------------------------------
 

core/src/components/radio/radio.tsx

@@ -90,15 +90,17 @@ export class Radio implements ComponentInterface {
    * on the left in RTL.
    * `"space-between"`: The label and radio will appear on opposite
    * ends of the line with space between the two elements.
+   * Setting this property will change the radio `display` to `block`.
    */
-  @Prop() justify: 'start' | 'end' | 'space-between' = 'space-between';
+  @Prop() justify?: 'start' | 'end' | 'space-between';
 
   /**
    * How to control the alignment of the radio and label on the cross axis.
    * `"start"`: The label and control will appear on the left of the cross axis in LTR, and on the right side in RTL.
    * `"center"`: The label and control will appear at the center of the cross axis in both LTR and RTL.
+   * Setting this property will change the radio `display` to `block`.
    */
-  @Prop() alignment: 'start' | 'center' = 'center';
+  @Prop() alignment?: 'start' | 'center';
 
   /**
    * Emitted when the radio button has focus.
@@ -223,8 +225,8 @@ export class Radio implements ComponentInterface {
           'in-item': inItem,
           'radio-checked': checked,
           'radio-disabled': disabled,
-          [`radio-justify-${justify}`]: true,
-          [`radio-alignment-${alignment}`]: true,
+          [`radio-justify-${justify}`]: justify !== undefined,
+          [`radio-alignment-${alignment}`]: alignment !== undefined,
           [`radio-label-placement-${labelPlacement}`]: true,
           // Focus and active styling should not apply when the radio is in an item
           'ion-activatable': !inItem,

core/src/components/radio/test/basic/index.html

@@ -15,9 +15,12 @@
 
     <style>
       ion-radio {
-        display: block;
         margin-bottom: 8px;
       }
+
+      hr {
+        background: #ddd;
+      }
     </style>
   </head>
 
@@ -31,17 +34,28 @@
 
       <ion-content class="ion-padding">
         <div id="radios">
-          <ion-radio-group>
-            <ion-radio value="radio" justify="start" label-placement="end">Unchecked</ion-radio>
-          </ion-radio-group>
+          <ion-radio-group> <ion-radio value="radio" label-placement="end">Unchecked</ion-radio> </ion-radio-group
+          ><br />
           <ion-radio-group value="radio">
-            <ion-radio value="radio" justify="start" label-placement="end">Checked</ion-radio>
-          </ion-radio-group>
+            <ion-radio value="radio" label-placement="end">Checked</ion-radio> </ion-radio-group
+          ><br />
           <ion-radio-group>
-            <ion-radio value="radio" justify="start" label-placement="end" disabled>Disabled</ion-radio>
-          </ion-radio-group>
+            <ion-radio value="radio" label-placement="end" disabled>Disabled</ion-radio> </ion-radio-group
+          ><br />
           <ion-radio-group value="radio">
-            <ion-radio value="radio" justify="start" label-placement="end" disabled>Disabled, Checked</ion-radio>
+            <ion-radio value="radio" label-placement="end" disabled>Disabled, Checked</ion-radio> </ion-radio-group
+          ><br />
+
+          <hr />
+
+          <ion-radio-group value="radio"> <ion-radio value="radio">Default width</ion-radio> </ion-radio-group><br />
+
+          <ion-radio-group value="radio">
+            <ion-radio value="radio" style="width: 200px">Specified width </ion-radio> </ion-radio-group
+          ><br />
+
+          <ion-radio-group value="radio">
+            <ion-radio value="radio" style="width: 100%">Full-width </ion-radio>
           </ion-radio-group>
         </div>
       </ion-content>

core/src/components/radio/test/label-placement/index.html

@@ -35,10 +35,6 @@
           padding: 0;
         }
       }
-
-      ion-radio {
-        width: 100%;
-      }
     </style>
   </head>
 

core/src/components/radio/test/label-placement/radio.e2e.ts

@@ -2,22 +2,55 @@ import { expect } from '@playwright/test';
 import { configs, test } from '@utils/test/playwright';
 
 /**
- * By default ion-radio only takes up
- * as much space as it needs. Justification is
- * used for when the radio takes up the full
- * line (such as in an ion-item). As a result,
- * we set the width of the radio so we can
- * see the justification results.
+ * By default ion-radio only takes up as much space
+ * as it needs. Justification is used for when the
+ * radio should take up the full line (such as in an
+ * ion-item or when it has 100% width).
  */
-
 configs().forEach(({ title, screenshot, config }) => {
   test.describe(title('radio: label'), () => {
+    test.describe('radio: default placement', () => {
+      test('should render a space between justification with a full width radio', async ({ page }) => {
+        await page.setContent(
+          `
+          <ion-radio-group value="1">
+            <ion-radio value="1" style="width: 100%">
+              Label
+            </ion-radio>
+           </ion-radio-group>
+         `,
+          config
+        );
+
+        const radio = page.locator('ion-radio');
+        await expect(radio).toHaveScreenshot(screenshot(`radio-label-full-width`));
+      });
+
+      test('should truncate long labels with ellipses', async ({ page }) => {
+        // radio needs to be full width to truncate properly
+        // because it is not inside of an `ion-app` in tests
+        await page.setContent(
+          `
+          <ion-radio-group value="1">
+            <ion-radio value="1" style="width: 100%">
+              Long Label Long Label Long Label Long Label Long Label Long Label
+            </ion-radio>
+           </ion-radio-group>
+         `,
+          config
+        );
+
+        const radio = page.locator('ion-radio');
+        await expect(radio).toHaveScreenshot(screenshot(`radio-label-long-label`));
+      });
+    });
+
     test.describe('radio: start placement', () => {
       test('should render a start justification with label in the start position', async ({ page }) => {
         await page.setContent(
           `
            <ion-radio-group value="1">
-             <ion-radio label-placement="start" justify="start" style="width: 200px" value="1">Label</ion-radio>
+             <ion-radio label-placement="start" justify="start" value="1">Label</ion-radio>
            </ion-radio-group>
            `,
           config
@@ -30,7 +63,7 @@ configs().forEach(({ title, screenshot, config }) => {
         await page.setContent(
           `
            <ion-radio-group value="1">
-             <ion-radio label-placement="start" justify="end" style="width: 200px" value="1">Label</ion-radio>
+             <ion-radio label-placement="start" justify="end" value="1">Label</ion-radio>
            </ion-radio-group>
          `,
           config
@@ -43,7 +76,7 @@ configs().forEach(({ title, screenshot, config }) => {
         await page.setContent(
           `
            <ion-radio-group value="1">
-             <ion-radio label-placement="start" justify="space-between" style="width: 200px" value="1">Label</ion-radio>
+             <ion-radio label-placement="start" justify="space-between" value="1">Label</ion-radio>
            </ion-radio-group>
          `,
           config
@@ -52,6 +85,22 @@ configs().forEach(({ title, screenshot, config }) => {
         const radio = page.locator('ion-radio');
         await expect(radio).toHaveScreenshot(screenshot(`radio-label-start-justify-space-between`));
       });
+
+      test('should truncate long labels with ellipses', async ({ page }) => {
+        await page.setContent(
+          `
+          <ion-radio-group value="1">
+            <ion-radio value="1" label-placement="start" justify="start">
+              Long Label Long Label Long Label Long Label Long Label Long Label
+            </ion-radio>
+           </ion-radio-group>
+         `,
+          config
+        );
+
+        const radio = page.locator('ion-radio');
+        await expect(radio).toHaveScreenshot(screenshot(`radio-label-start-justify-start-long-label`));
+      });
     });
 
     test.describe('radio: end placement', () => {
@@ -59,7 +108,7 @@ configs().forEach(({ title, screenshot, config }) => {
         await page.setContent(
           `
            <ion-radio-group value="1">
-             <ion-radio label-placement="end" justify="start" style="width: 200px" value="1">Label</ion-radio>
+             <ion-radio label-placement="end" justify="start" value="1">Label</ion-radio>
            </ion-radio-group>
          `,
           config
@@ -72,7 +121,7 @@ configs().forEach(({ title, screenshot, config }) => {
         await page.setContent(
           `
            <ion-radio-group value="1">
-             <ion-radio label-placement="end" justify="end" style="width: 200px" value="1">Label</ion-radio>
+             <ion-radio label-placement="end" justify="end" value="1">Label</ion-radio>
            </ion-radio-group>
          `,
           config
@@ -85,7 +134,7 @@ configs().forEach(({ title, screenshot, config }) => {
         await page.setContent(
           `
            <ion-radio-group value="1">
-             <ion-radio label-placement="end" justify="space-between" style="width: 200px" value="1">Label</ion-radio>
+             <ion-radio label-placement="end" justify="space-between" value="1">Label</ion-radio>
            </ion-radio-group>
          `,
           config
@@ -101,7 +150,7 @@ configs().forEach(({ title, screenshot, config }) => {
         await page.setContent(
           `
            <ion-radio-group value="1">
-             <ion-radio label-placement="fixed" justify="start" style="width: 200px" value="1">This is a long label</ion-radio>
+             <ion-radio label-placement="fixed" justify="start" value="1">This is a long label</ion-radio>
            </ion-radio-group>
          `,
           config
@@ -114,7 +163,7 @@ configs().forEach(({ title, screenshot, config }) => {
         await page.setContent(
           `
            <ion-radio-group value="1">
-             <ion-radio label-placement="fixed" justify="end" style="width: 200px" value="1">This is a long label</ion-radio>
+             <ion-radio label-placement="fixed" justify="end" value="1">This is a long label</ion-radio>
            </ion-radio-group>
          `,
           config
@@ -127,7 +176,7 @@ configs().forEach(({ title, screenshot, config }) => {
         await page.setContent(
           `
            <ion-radio-group value="1">
-             <ion-radio label-placement="fixed" justify="space-between" style="width: 200px" value="1">This is a long label</ion-radio>
+             <ion-radio label-placement="fixed" justify="space-between" value="1">This is a long label</ion-radio>
            </ion-radio-group>
          `,
           config
@@ -142,7 +191,7 @@ configs().forEach(({ title, screenshot, config }) => {
         await page.setContent(
           `
             <ion-radio-group value="1">
-              <ion-radio label-placement="stacked" alignment="start" style="width: 200px" value="1">This is a long label</ion-radio>
+              <ion-radio label-placement="stacked" alignment="start" value="1">This is a long label</ion-radio>
             </ion-radio-group>
           `,
           config
@@ -156,7 +205,7 @@ configs().forEach(({ title, screenshot, config }) => {
         await page.setContent(
           `
             <ion-radio-group value="1">
-              <ion-radio label-placement="stacked" alignment="center" style="width: 200px" value="1">This is a long label</ion-radio>
+              <ion-radio label-placement="stacked" alignment="center" value="1">This is a long label</ion-radio>
             </ion-radio-group>
           `,
           config
@@ -174,7 +223,7 @@ configs({ modes: ['md'], directions: ['ltr'] }).forEach(({ title, config, screen
     test('long label should truncate', async ({ page }) => {
       await page.setContent(
         `
-          <ion-radio label-placement="stacked" alignment="start" style="width: 200px">Enable Notifications Enable Notifications Enable Notifications Enable Notifications Enable Notifications Enable Notifications Enable Notifications</ion-radio>
+          <ion-radio label-placement="stacked" alignment="start">Enable Notifications Enable Notifications Enable Notifications Enable Notifications Enable Notifications Enable Notifications Enable Notifications</ion-radio>
         `,
         config
       );