oc-front/lib/core/sections/end_drawer.dart

import 'package:flutter/material.dart';
import 'package:oc_front/core/models/shared_workspace_local.dart';
import 'package:oc_front/core/services/specialized_services/shared_service.dart';
import 'package:oc_front/core/services/specialized_services/workspace_service.dart';
import 'package:oc_front/models/response.dart';
import 'package:oc_front/models/search.dart';
import 'package:oc_front/pages/catalog.dart';
import 'package:oc_front/core/models/workspace_local.dart';
import 'package:oc_front/pages/shared.dart';
import 'package:oc_front/widgets/items/item_row.dart';
import 'package:oc_front/widgets/inputs/shallow_dropdown_input.dart';

GlobalKey<EndDrawerWidgetState> endDrawerKey = GlobalKey<EndDrawerWidgetState>();
class EndDrawerWidget extends StatefulWidget {
  final List<AbstractItem>? items;
  EndDrawerWidget ({ this.items }): super(key: endDrawerKey);
  @override EndDrawerWidgetState createState() => EndDrawerWidgetState();
}
class EndDrawerWidgetState extends State<EndDrawerWidget> {
  @override Widget build(BuildContext context) {
    List<ItemRowWidget> itemRows = WorkspaceLocal.items.map(
      (e) => ItemRowWidget(contextWidth: 400, item: e, keys: [endDrawerKey, CatalogFactory.key],)).toList();
    return Stack( children: [ 
      Container( 
        color: Colors.white,
        width: 400,
          height: MediaQuery.of(context).size.height,
        child: Column( children: [
            Container( 
              width: 400,
              height: 50,
              decoration: const BoxDecoration(color: Color.fromRGBO(38, 166, 154, 1)),
              child: const Center( 
                child: Row( mainAxisAlignment: MainAxisAlignment.center,
                  children: [
                    Padding(padding: EdgeInsets.only(right: 20), child: Icon(Icons.shopping_cart_outlined, size: 18, color: Colors.white)),
                    Text("Workspace", style: TextStyle(fontSize: 18, color: Colors.white, fontWeight: FontWeight.w600))
                ])
                
              ),
            ),
            ShallowDropdownInputWidget(
                current: WorkspaceLocal.current,
                width: 400,
                all: () async => WorkspaceLocal.getWorkspacesShallow(),
                canRemove: (p0) => p0 != null,
                remove: (p0) async {
                  await WorkspaceService().delete(context, p0, {}).then( (e) => WorkspaceLocal.deleteWorkspace(p0));
                },
                type: SharedWorkspaceType.workspace,
                change: (String? change) {
                  WorkspaceLocal.changeWorkspace(change.toString());
                }
            ),
            Column( children: [
            itemRows.isEmpty ? Container( height: MediaQuery.of(context).size.height - 100, 
              color: Colors.grey.shade300,
              child: const Center(child: Text("WORKSPACE IS EMPTY", 
                style: TextStyle(fontSize: 25, fontWeight: FontWeight.w600, color: Colors.white)))) 
            : Container( height: MediaQuery.of(context).size.height - 100,  child: SingleChildScrollView(
              scrollDirection: Axis.vertical,
              child: Column( children: [ ...itemRows, Container(height: 50)])
            )),
            ])
          ])
        ), 
      itemRows.isEmpty ? Container() : Positioned( bottom: 0, left: 0, 
        child: ShallowDropdownInputWidget(
          type: SharedWorkspaceType.workspace,
            all: () async => SharedWorkspaceLocal.workspaces.values.map( 
              (e) => Shallow(id: e.id ?? "", name: e.name ?? "") ).toList(),
            current: WorkspaceLocal.workspaces[WorkspaceLocal.current]?.shared,
            width: 400,
            filled:  Colors.grey.shade300,
            hintColor: Colors.grey,
            color: Colors.black,
            canLoad: (String? change) => SharedWorkspaceLocal.workspaces[change] == null 
              || !SharedWorkspaceLocal.workspaces[change]!.workspaces.map( (e) => e.id ).contains(WorkspaceLocal.current),
            canRemove: (String? change) => SharedWorkspaceLocal.workspaces[change] == null 
            || SharedWorkspaceLocal.workspaces[change]!.workspaces.map( (e) => e.id ).contains(WorkspaceLocal.current), 
            load: (String val) async {
              await SharedService().addWorkspace(context, val, WorkspaceLocal.current ?? "");
              SharedWorkspaceLocal.init(context, false);
            },
            remove: (String val) async {
              await SharedService().removeWorkspace(context, val, WorkspaceLocal.current ?? "");
              SharedWorkspaceLocal.init(context, false);
            })
          )
      ]
    );
  }
}