[ACS-4051] Copy to clipboard button is now accessible through the keyboard enter earlier which was only accessible through mouse click (#8165)

* Copy to clipboard button is now accessible through the keyboard enter earlier which was only accessible through mouse click

* review comments addressed

lib/core/src/lib/clipboard/clipboard.directive.spec.ts

@@ -64,6 +64,15 @@ describe('ClipboardDirective', () => {
 
         expect(clipboardService.copyToClipboard).toHaveBeenCalled();
     });
+
+    it('should notify copy target value on keydown event', () => {
+        spyOn(clipboardService, 'copyToClipboard');
+        fixture.nativeElement.querySelector('input').value = 'some value';
+        fixture.nativeElement.querySelector('button').dispatchEvent(new KeyboardEvent('keydown', {code: 'Enter', key: 'Enter'}));
+
+        expect(clipboardService.copyToClipboard).toHaveBeenCalled();
+    });
+
 });
 
 describe('CopyClipboardDirective', () => {
@@ -128,6 +137,16 @@ describe('CopyClipboardDirective', () => {
         expect(navigator.clipboard.writeText).toHaveBeenCalledWith('text to copy');
     }));
 
+    it('should copy the content of element on keydown event', fakeAsync(() => {
+        const spanHTMLElement = element.querySelector<HTMLInputElement>('span');
+        fixture.detectChanges();
+        spyOn(navigator.clipboard, 'writeText');
+        spanHTMLElement.dispatchEvent(new KeyboardEvent('keydown', {code: 'Enter', key: 'Enter'}));
+        tick();
+        fixture.detectChanges();
+        expect(navigator.clipboard.writeText).toHaveBeenCalledWith('text to copy');
+    }));
+
     it('should not copy the content of element when click it', fakeAsync(() => {
         const spanHTMLElement = element.querySelector<HTMLInputElement>('span');
         fixture.detectChanges();

lib/core/src/lib/clipboard/clipboard.directive.ts

@@ -40,13 +40,6 @@ export class ClipboardDirective {
                 public viewContainerRef: ViewContainerRef,
                 private resolver: ComponentFactoryResolver) {}
 
-    @HostListener('click', ['$event'])
-    handleClickEvent(event: MouseEvent) {
-        event.preventDefault();
-        event.stopPropagation();
-        this.copyToClipboard();
-    }
-
     @HostListener('mouseenter')
     showTooltip() {
         if (this.placeholder) {
@@ -61,7 +54,12 @@ export class ClipboardDirective {
         this.viewContainerRef.remove();
     }
 
-    private copyToClipboard() {
+    @HostListener('click', ['$event'])
+    @HostListener('keydown.enter', ['$event'])
+    copyToClipboard(event: MouseEvent | KeyboardEvent) {
+        event.preventDefault();
+        event.stopPropagation();
+
         const isValidTarget = this.clipboardService.isTargetValid(this.target);
 
         if (isValidTarget) {