feat(radio-group): group label styles (#15792)

Author: SisIvanova

projects/igniteui-angular/src/lib/core/styles/components/label/_label-theme.scss

@@ -11,9 +11,11 @@
 
 /// @param {Map} $schema [$light-material-schema] - The schema used as basis for styling the component.
 /// @param {Map} $color [null] - The text color.
+/// @param {Map} $disabled-color [null] - The disabled text color.
 @function label-theme(
     $schema: $light-material-schema,
-    $color: null
+    $color: null,
+    $disabled-color: null,
 ) {
     $name: 'igx-label';
     $selector: '[igxLabel]';
@@ -31,6 +33,7 @@
         name: $name,
         selector: $selector,
         color: $color,
+        disabled-color: $disabled-color,
         theme: map.get($schema, '_meta', 'theme'),
         variant: map.get($schema, '_meta', 'theme'),
     ));

projects/igniteui-angular/src/lib/core/styles/components/radio/_radio-component.scss

@@ -115,6 +115,10 @@
             @include e(label) {
                 @extend %radio-label--disabled !optional;
             }
+
+            @include e(label, $m: before) {
+                @extend %radio-label--disabled !optional;
+            }
         }
 
         @include m(invalid) {
@@ -217,5 +221,13 @@
         @include m(vertical) {
             @extend %radio-group-display--vertical !optional;
         }
+
+        @include m(before) {
+            @extend %radio-group-display--before !optional;
+        }
+
+        @include m(disabled) {
+            @extend %radio-group-display--disabled !optional;
+        }
     }
 }

projects/igniteui-angular/src/lib/core/styles/components/radio/_radio-theme.scss

@@ -597,18 +597,40 @@
     }
 
     %radio-group-display {
-        display: block;
-        %radio-display:not(:last-of-type) {
-            margin-inline-end: $horizontal-group-margin;
+        display: grid;
+        column-gap: $horizontal-group-margin;
+        align-items: start;
+        width: max-content;
+    }
+
+    %radio-group-display:not(%radio-group-display--vertical) {
+        [igxLabel] {
+            margin-block-end: rem(16px);
+        }
+
+        igx-radio {
+            grid-row: 2;
         }
     }
 
     %radio-group-display--vertical {
-        display: flex;
-        flex-flow: column;
-        %radio-display:not(:last-of-type) {
-            margin-inline-end: 0;
-            margin-block-end: $vertical-group-margin;
+        row-gap: $vertical-group-margin;
+
+        [igxLabel] {
+            margin-block-end: if($variant == 'material', rem(16px), rem(8px));
+        }
+
+        &%radio-group-display--before {
+            igx-radio,
+            [igxLabel] {
+                justify-self: flex-end;
+            }
+        }
+    }
+
+    %radio-group-display--disabled {
+        [igxLabel] {
+            color: var-get($theme, 'disabled-color');
         }
     }
 }

projects/igniteui-angular/src/lib/directives/radio/radio-group.directive.spec.ts

@@ -448,3 +448,4 @@ const dispatchRadioEvent = (eventName, radioNativeElement, fixture) => {
     radioNativeElement.dispatchEvent(new Event(eventName));
     fixture.detectChanges();
 };
+