[ADF-4308] DatatableComponent - add Json cell type (#4518)

* [ADF-4308] DatatableComponent - add Json cell type

* [ADF-4308] - PR changes

* [ADF-4306] - remove unnecesary code and properties

* [ADF-4308] - PR changes

lib/core/datatable/components/datatable/json-cell.component.ts

@@ -0,0 +1,41 @@
+/*!
+ * @license
+ * Copyright 2019 Alfresco Software, Ltd.
+ *
+ * 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 { ChangeDetectionStrategy, Component, OnInit, ViewEncapsulation } from '@angular/core';
+import { DataTableCellComponent } from './datatable-cell.component';
+
+@Component({
+    selector: 'adf-json-cell',
+    changeDetection: ChangeDetectionStrategy.OnPush,
+    template: `
+        <ng-container>
+            <span class="adf-datatable-cell-value">
+                <pre>{{ value$ | async | json }}</pre>
+            </span>
+        </ng-container>
+    `,
+    encapsulation: ViewEncapsulation.None,
+    host: { class: 'adf-datatable-cell' }
+})
+export class JsonCellComponent extends DataTableCellComponent implements OnInit {
+
+    ngOnInit() {
+        if (this.column && this.column.key && this.row && this.data) {
+            this.value$.next(this.data.getValue(this.row, this.column));
+        }
+    }
+}