Improving common list displays

front/app/src/common/crud/list/list.component.ts

@@ -75,10 +75,16 @@ export class ListComponent implements OnInit {
         }
     }
 
-    getColumnValue(row: any, col: string) {
+    getColumnValue(row: any, col: string): string {
         let parent = row;
         for (const key of col.split('.')) {
-            parent = parent[key];
+            if (key == 'items' && Array.isArray(parent)) {
+                let path_parts = col.split(/items\.(.*)/s);
+                let subkey = path_parts[1]
+                return parent.map((v: any) => this.getColumnValue(v, subkey)).join(', ');
+            } else {
+                parent = parent[key];
+            }
         }
         return parent;
     }