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.ts

@@ -236,10 +236,40 @@ export class DataTableComponent implements AfterContentInit, OnChanges {
     getRowActions(row: DataRow, col: DataColumn): any[] {
         let event = new DataCellEvent(row, col, []);
         this.showRowActionsMenu.emit(event);
-        return event.value.actions;
+
+        return this.checkPermissions(row, event.value.actions);
+    }
+
+    checkPermissions(row: DataRow, actions: any[]) {
+        let actionsPermission = [];
+        actions.forEach((action) => {
+            actionsPermission.push(this.checkPermission(row, action));
+        });
+        return actionsPermission;
+    }
+
+    checkPermission(row: DataRow, action) {
+        if (action.permission) {
+            if (this.hasPermissions(row)) {
+                let permissions = row.getValue('allowableOperations');
+                let findPermission = permissions.find(permission => permission === action.permission);
+                if (!findPermission && action.disableWithNoPermission === true) {
+                    action.disabled = true;
+                }
+            }
+        }
+        return action;
+    }
+
+    private hasPermissions(row: DataRow): boolean {
+        return row.getValue('allowableOperations') ? true : false;
     }
 
     onExecuteRowAction(row: DataRow, action: any) {
-        this.executeRowAction.emit(new DataRowActionEvent(row, action));
+        if (action.disabled) {
+            event.stopPropagation();
+        } else {
+            this.executeRowAction.emit(new DataRowActionEvent(row, action));
+        }
     }
 }