From 1131e74691fcbff7d39fbaa4b4e9f403f6a8326e Mon Sep 17 00:00:00 2001
From: JMARyA <jmarya@hydrar.de>
Date: Thu, 26 Sep 2024 11:32:55 +0200
Subject: [PATCH] location tree view

---
 lib/pages/locations.dart | 31 +++++++++++++++++--
 pubspec.lock             | 64 +++++-----------------------------------
 pubspec.yaml             |  2 +-
 3 files changed, 37 insertions(+), 60 deletions(-)

diff --git a/lib/pages/locations.dart b/lib/pages/locations.dart
index 6b98cf0..b8c4b24 100644
--- a/lib/pages/locations.dart
+++ b/lib/pages/locations.dart
@@ -1,6 +1,7 @@
 import 'package:cdb_ui/api.dart';
 import 'package:cdb_ui/pages/transaction.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter_simple_treeview/flutter_simple_treeview.dart';
 import 'package:qr_bar_code_scanner_dialog/qr_bar_code_scanner_dialog.dart';
 
 class LocationsPage extends StatefulWidget {
@@ -25,10 +26,29 @@ class _LocationsPageState extends State<LocationsPage> {
     );
   }
 
+  TreeNode buildTree(BuildContext context, String locID) {
+    return TreeNode(
+        key: ValueKey(locID),
+        content: ListTile(
+          title: Text(locations![locID]!.name),
+          onTap: () {
+            Navigator.of(context).push(MaterialPageRoute(
+              builder: (context) => LocationView(locations![locID]!),
+            ));
+          },
+        ),
+        children: locations!.keys.where((key2) {
+          if (locations![key2]!.parent != null) {
+            return locations![key2]!.parent! == locations![locID]!.id;
+          }
+          return false;
+        }).map((key2) {
+          return buildTree(context, key2);
+        }).toList());
+  }
+
   @override
   Widget build(BuildContext context) {
-    // todo : add locations tree view
-
     if (locations == null) {
       return const Scaffold(
         body: CircularProgressIndicator(),
@@ -39,7 +59,12 @@ class _LocationsPageState extends State<LocationsPage> {
       appBar: AppBar(
         title: const Text("Locations"),
       ),
-      body: null,
+      body: TreeView(
+          nodes: locations!.keys
+              .where((key) => locations![key]!.parent == null)
+              .map((key) {
+        return buildTree(context, key);
+      }).toList()),
       floatingActionButton: FloatingActionButton(
         onPressed: () {
           // scan location code
diff --git a/pubspec.lock b/pubspec.lock
index 18a3532..8ec77fd 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -1,14 +1,6 @@
 # Generated by pub
 # See https://dart.dev/tools/pub/glossary#lockfile
 packages:
-  animated_tree_view:
-    dependency: "direct main"
-    description:
-      name: animated_tree_view
-      sha256: ed982be7fa2cf51b62bb76e95b6a0f423cde12f1da8745a1da938e82a7baacf2
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.3.0"
   async:
     dependency: transitive
     description:
@@ -49,14 +41,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.18.0"
-  crypto:
-    dependency: transitive
-    description:
-      name: crypto
-      sha256: ec30d999af904f33454ba22ed9a86162b35e52b44ac4807d1d93c288041d7d27
-      url: "https://pub.dev"
-    source: hosted
-    version: "3.0.5"
   cupertino_icons:
     dependency: "direct main"
     description:
@@ -65,14 +49,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.0.8"
-  diffutil_dart:
-    dependency: transitive
-    description:
-      name: diffutil_dart
-      sha256: "5e74883aedf87f3b703cb85e815bdc1ed9208b33501556e4a8a5572af9845c81"
-      url: "https://pub.dev"
-    source: hosted
-    version: "4.0.1"
   equatable:
     dependency: transitive
     description:
@@ -105,14 +81,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "7.0.0"
-  fixnum:
-    dependency: transitive
-    description:
-      name: fixnum
-      sha256: "25517a4deb0c03aa0f32fd12db525856438902d9c16536311e76cdc57b31d7d1"
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.1.0"
   fl_chart:
     dependency: "direct main"
     description:
@@ -134,6 +102,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.0.3"
+  flutter_simple_treeview:
+    dependency: "direct main"
+    description:
+      name: flutter_simple_treeview
+      sha256: ad4978d2668dd078d3a09966832da111bef9102dd636e572c50c80133b7ff4d9
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.2"
   flutter_test:
     dependency: "direct dev"
     description: flutter
@@ -304,14 +280,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.0.1"
-  scroll_to_index:
-    dependency: transitive
-    description:
-      name: scroll_to_index
-      sha256: b707546e7500d9f070d63e5acf74fd437ec7eeeb68d3412ef7b0afada0b4f176
-      url: "https://pub.dev"
-    source: hosted
-    version: "3.0.1"
   shared_preferences:
     dependency: "direct main"
     description:
@@ -381,14 +349,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.10.0"
-  sprintf:
-    dependency: transitive
-    description:
-      name: sprintf
-      sha256: "1fc9ffe69d4df602376b52949af107d8f5703b77cda567c4d7d86a0693120f23"
-      url: "https://pub.dev"
-    source: hosted
-    version: "7.0.0"
   stack_trace:
     dependency: transitive
     description:
@@ -437,14 +397,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.3.2"
-  uuid:
-    dependency: transitive
-    description:
-      name: uuid
-      sha256: f33d6bb662f0e4f79dcd7ada2e6170f3b3a2530c28fc41f49a411ddedd576a77
-      url: "https://pub.dev"
-    source: hosted
-    version: "4.5.0"
   vector_math:
     dependency: transitive
     description:
diff --git a/pubspec.yaml b/pubspec.yaml
index f58703c..c19fe54 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -30,7 +30,7 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
-  animated_tree_view: ^2.3.0
+  flutter_simple_treeview: ^3.0.2
   qr_bar_code: ^1.3.0
   qr_bar_code_scanner_dialog: ^0.0.5
   intl: ^0.18.0