AAE-39155 Implement button widget on ADF (#11324)

* AAE-39155 Initial implementation

* AAE-39155 Improve button position

lib/core/src/lib/form/components/widgets/button/button.widget.html

@@ -0,0 +1,11 @@
+<button
+    mat-flat-button
+    class="adf-button-widget__button"
+    [color]="'primary'"
+    [matTooltip]="field?.tooltip"
+    [matTooltipShowDelay]="tooltipShowDelay"
+    [disabled]="field?.readOnly ?? false"
+    (click)="onClick($event)"
+>
+    {{ field?.name | translate }}
+</button>

lib/core/src/lib/form/components/widgets/button/button.widget.scss

@@ -0,0 +1,14 @@
+.adf-button-widget {
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    height: 100%;
+    width: 100%;
+    min-height: 96px;
+
+    &__button {
+        margin-bottom: 32px;
+        word-break: break-word;
+        overflow: hidden;
+    }
+}

lib/core/src/lib/form/components/widgets/button/button.widget.spec.ts

@@ -0,0 +1,105 @@
+/*!
+ * @license
+ * Copyright © 2005-2025 Hyland Software, Inc. and its affiliates. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { ButtonWidgetComponent } from './button.widget';
+import { HarnessLoader } from '@angular/cdk/testing';
+import { TestbedHarnessEnvironment } from '@angular/cdk/testing/testbed';
+import { MatButtonHarness } from '@angular/material/button/testing';
+import { MatTooltipHarness } from '@angular/material/tooltip/testing';
+
+describe('ButtonWidgetComponent', () => {
+    let component: ButtonWidgetComponent;
+    let fixture: ComponentFixture<ButtonWidgetComponent>;
+    let loader: HarnessLoader;
+
+    const buttonSelector = '.adf-button-widget__button';
+    const mockField = { id: 'button1', name: 'Click me!', type: 'button', readOnly: false, className: 'custom-button-class', tooltip: '' };
+
+    const getButton = async () => loader.getHarness(MatButtonHarness.with({ selector: buttonSelector }));
+
+    beforeEach(() => {
+        TestBed.configureTestingModule({
+            imports: [ButtonWidgetComponent]
+        });
+
+        fixture = TestBed.createComponent(ButtonWidgetComponent);
+        component = fixture.componentInstance;
+        loader = TestbedHarnessEnvironment.loader(fixture);
+
+        fixture.componentRef.setInput('field', mockField);
+    });
+
+    it('should display button with the given name', async () => {
+        const button = await getButton();
+        const buttonText = await button.getText();
+
+        expect(buttonText).toBe('Click me!');
+    });
+
+    it('should NOT disable button when readOnly is false', async () => {
+        const button = await getButton();
+
+        expect(await button.isDisabled()).toBe(false);
+    });
+
+    it('should disable button when readOnly is true', async () => {
+        fixture.componentRef.setInput('field', { ...mockField, readOnly: true });
+        const button = await getButton();
+
+        expect(await button.isDisabled()).toBe(true);
+    });
+
+    it('should attach className to the widget host element', () => {
+        fixture.detectChanges();
+
+        const hostElement = fixture.nativeElement;
+
+        expect(hostElement.classList).toContain('custom-button-class');
+    });
+
+    it('should NOT show tooltip when tooltip text is not defined', async () => {
+        const buttonTooltip = await loader.getHarness(MatTooltipHarness.with({ selector: buttonSelector }));
+
+        await buttonTooltip.show();
+
+        expect(await buttonTooltip.isOpen()).toBe(false);
+    });
+
+    it('should show tooltip when tooltip text is defined', async () => {
+        const expectedTooltip = 'This is a tooltip';
+
+        fixture.componentRef.setInput('field', { ...mockField, tooltip: expectedTooltip });
+
+        const buttonTooltip = await loader.getHarness(MatTooltipHarness.with({ selector: buttonSelector }));
+
+        await buttonTooltip.show();
+
+        expect(await buttonTooltip.isOpen()).toBe(true);
+        expect(await buttonTooltip.getTooltipText()).toBe(expectedTooltip);
+    });
+
+    it('should call event method only once when widget is clicked', async () => {
+        const eventSpy = spyOn(component, 'event');
+
+        const button = await getButton();
+        await button.click();
+
+        expect(eventSpy).toHaveBeenCalledTimes(1);
+    });
+});

lib/core/src/lib/form/components/widgets/button/button.widget.ts

@@ -0,0 +1,52 @@
+/*!
+ * @license
+ * Copyright © 2005-2025 Hyland Software, Inc. and its affiliates. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* eslint-disable @angular-eslint/component-selector */
+
+import { ChangeDetectionStrategy, Component, ViewEncapsulation } from '@angular/core';
+import { WidgetComponent } from '../widget.component';
+import { FormService } from '../../../services/form.service';
+import { TranslatePipe } from '@ngx-translate/core';
+import { MatButtonModule } from '@angular/material/button';
+import { MatTooltipModule } from '@angular/material/tooltip';
+
+@Component({
+    selector: 'button-widget',
+    templateUrl: './button.widget.html',
+    styleUrl: './button.widget.scss',
+    host: {
+        '[class]': 'hostClasses'
+    },
+    encapsulation: ViewEncapsulation.None,
+    changeDetection: ChangeDetectionStrategy.OnPush,
+    imports: [TranslatePipe, MatButtonModule, MatTooltipModule]
+})
+export class ButtonWidgetComponent extends WidgetComponent {
+    readonly tooltipShowDelay: number = 500;
+
+    constructor(public formService: FormService) {
+        super(formService);
+    }
+
+    get hostClasses(): string {
+        return `adf-button-widget ${this.field?.className || ''}`;
+    }
+
+    onClick(event: Event): void {
+        this.event(event);
+    }
+}

lib/core/src/lib/form/components/widgets/core/form-field-types.ts

@@ -53,6 +53,7 @@ export class FormFieldTypes {
     static JSON: string = 'json';
     static DATA_TABLE: string = 'data-table';
     static DISPLAY_EXTERNAL_PROPERTY: string = 'display-external-property';
+    static BUTTON: string = 'button';
 
     static READONLY_TYPES: string[] = [FormFieldTypes.HYPERLINK, FormFieldTypes.DISPLAY_VALUE, FormFieldTypes.READONLY_TEXT, FormFieldTypes.GROUP];
 

lib/core/src/lib/form/components/widgets/index.ts

@@ -31,6 +31,7 @@ import { DateTimeWidgetComponent } from './date-time/date-time.widget';
 import { JsonWidgetComponent } from './json/json.widget';
 import { BaseViewerWidgetComponent } from './base-viewer/base-viewer.widget';
 import { DecimalWidgetComponent } from './decimal/decimal.component';
+import { ButtonWidgetComponent } from './button/button.widget';
 
 // core
 export * from './widget.component';
@@ -52,6 +53,7 @@ export * from './date-time/date-time.widget';
 export * from './json/json.widget';
 export * from './base-viewer/base-viewer.widget';
 export * from './text/text-mask.component';
+export * from './button/button.widget';
 
 // widgets with schema
 export * from './display-text';
@@ -72,7 +74,8 @@ export const WIDGET_DIRECTIVES = [
     ErrorWidgetComponent,
     DateTimeWidgetComponent,
     JsonWidgetComponent,
-    BaseViewerWidgetComponent
+    BaseViewerWidgetComponent,
+    ButtonWidgetComponent
 ] as const;
 
 export const MASK_DIRECTIVE = [InputMaskDirective] as const;

lib/core/src/lib/form/services/form-rendering.service.ts

@@ -44,6 +44,7 @@ export class FormRenderingService extends DynamicComponentMapper {
         [FormFieldTypes.JSON]: DynamicComponentResolver.fromType(widgets.JsonWidgetComponent),
         [FormFieldTypes.DISPLAY_VALUE]: DynamicComponentResolver.fromType(widgets.TextWidgetComponent),
         [FormFieldTypes.DATETIME]: DynamicComponentResolver.fromType(widgets.DateTimeWidgetComponent),
-        [FormFieldTypes.VIEWER]: DynamicComponentResolver.fromType(widgets.BaseViewerWidgetComponent)
+        [FormFieldTypes.VIEWER]: DynamicComponentResolver.fromType(widgets.BaseViewerWidgetComponent),
+        [FormFieldTypes.BUTTON]: DynamicComponentResolver.fromType(widgets.ButtonWidgetComponent)
     };
 }