DocumentList - Check permissions on delete folder/file (#1808)

* Add check permission on delete folder/file

* Provide a way to disable the action when if there is no permission

* Improve the code using the external permission inside the folder/document action service

* Add basic documentation.
 - How disable the button when the permission is missing
 - How to show a notification message when the permission is missing

* Resize the image

* Change the value to true for demo purpose

* Update folder-actions.service.ts

* Update document-actions.service.ts

ng2-components/ng2-alfresco-datatable/src/components/datatable/datatable.component.spec.ts

@@ -414,4 +414,87 @@ describe('DataTable', () => {
         dataTable.onImageLoadingError(event);
         expect(event.target.src).toBe(originalSrc);
     });
+
+    it('should disable the action if there is no permission and disableWithNoPermission true', () => {
+
+        dataTable.data = new ObjectDataTableAdapter(
+            [{id: 1, name: 'xyz', allowableOperations: ['create', 'update']}],
+            []
+        );
+
+        let row = dataTable.data.getRows();
+        let actions = [
+            {
+                disableWithNoPermission: true,
+                permission: 'delete',
+                target: 'folder',
+                title: 'action2'
+            }
+        ];
+
+        let updateActions = dataTable.checkPermissions(row[0], actions);
+        expect(updateActions[0].disabled).toBe(true);
+    });
+
+    it('should not disable the action if there is no permission and disableWithNoPermission false', () => {
+
+        dataTable.data = new ObjectDataTableAdapter(
+            [{id: 1, name: 'xyz', allowableOperations: ['create', 'update']}],
+            []
+        );
+
+        let row = dataTable.data.getRows();
+        let actions = [
+            {
+                disableWithNoPermission: false,
+                permission: 'delete',
+                target: 'folder',
+                title: 'action2'
+            }
+        ];
+
+        let updateActions = dataTable.checkPermissions(row[0], actions);
+        expect(updateActions[0].disabled).toBeUndefined();
+    });
+
+    it('should not disable the action if there is the right permission', () => {
+
+        dataTable.data = new ObjectDataTableAdapter(
+            [{ id: 1, name: 'xyz', allowableOperations: ['create', 'update', 'delete'] }],
+            []
+        );
+
+        let row = dataTable.data.getRows();
+        let actions = [
+            {
+                permission: 'delete',
+                target: 'folder',
+                title: 'action2'
+            }
+        ];
+
+        let updateActions = dataTable.checkPermissions(row[0], actions);
+        expect(updateActions[0].disabled).toBeUndefined();
+    });
+
+    it('should not disable the action if there are no permissions', () => {
+
+        dataTable.data = new ObjectDataTableAdapter(
+            [{id: 1, name: 'xyz', allowableOperations: null}],
+            []
+        );
+
+        let row = dataTable.data.getRows();
+        let actions = [
+            {
+                permission: 'delete',
+                target: 'folder',
+                title: 'action2'
+            }
+        ];
+
+        let updateActions = dataTable.checkPermissions(row[0], actions);
+        expect(updateActions[0].disabled).toBeUndefined();
+    });
+
 });