oc-front/lib/pages/catalog_item.dart

import 'package:flutter/material.dart';
import 'package:go_router/go_router.dart';
import 'package:oc_front/core/models/workspace_local.dart';
import 'package:oc_front/models/search.dart';
import 'package:oc_front/pages/abstract_page.dart';
import 'package:oc_front/pages/catalog.dart';
import 'package:oc_front/widgets/items/item.dart';
import 'package:oc_front/widgets/items/item_row.dart';

class CatalogItemFactory implements AbstractFactory {
  static GlobalKey<CatalogItemPageWidgetState> key = GlobalKey<CatalogItemPageWidgetState>();
  @override bool searchFill() { return false; }
  @override Widget factory(GoRouterState state, List<String> args) { 
    var id = state.pathParameters[args.first];
    try {
      var item = CatalogFactory.items.firstWhere( (element) => element.id == id );
      return CatalogItemPageWidget(item : item); 
    } catch (e) { 
      var item =  WorkspaceLocal.getItem(id ?? "", false);
      if (item != null) { return CatalogItemPageWidget(item : item as AbstractItem); }
      return Container(); 
    }
  }
  @override void search(BuildContext context) { }
}

class CatalogItemPageWidget extends StatefulWidget {
  AbstractItem item;
  CatalogItemPageWidget ({ required this.item }) : super(key: CatalogItemFactory.key);
  @override CatalogItemPageWidgetState createState() => CatalogItemPageWidgetState();
}
class CatalogItemPageWidgetState extends State<CatalogItemPageWidget> {
  @override Widget build(BuildContext context) {
    return Column( children: [
      ItemRowWidget(contextWidth: MediaQuery.of(context).size.width, item: widget.item, readOnly: true,),
      ItemWidget(item: widget.item,),
    ]);
  }
}