Add progress indicators to a bunch o' stuff

lib/widget/category_display.dart

@@ -2,6 +2,7 @@
 import 'package:InvenTree/api.dart';
 import 'package:InvenTree/inventree/part.dart';
 import 'package:InvenTree/preferences.dart';
+import 'package:InvenTree/widget/progress.dart';
 
 import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 
@@ -155,13 +156,16 @@ class _CategoryDisplayState extends RefreshableState<CategoryDisplayWidget> {
         child: Column(
           children: <Widget>[
             ListTile(
-              title: Text("${category.name}"),
+              title: Text("${category.name}",
+                  style: TextStyle(fontWeight: FontWeight.bold)
+              ),
               subtitle: Text("${category.description}"),
             ),
+            Divider(),
             ListTile(
               title: Text(I18N.of(context).parentCategory),
               subtitle: Text("${category.parentpathstring}"),
-              leading: FaIcon(FontAwesomeIcons.sitemap),
+              leading: FaIcon(FontAwesomeIcons.levelUpAlt),
               onTap: () {
                 if (category.parentId < 0) {
                   Navigator.push(context, MaterialPageRoute(builder: (context) => CategoryDisplayWidget(null)));
@@ -204,37 +208,64 @@ class _CategoryDisplayState extends RefreshableState<CategoryDisplayWidget> {
   }
 
   List<Widget> detailTiles() {
-    return <Widget>[
+    List<Widget> tiles = <Widget>[
       getCategoryDescriptionCard(),
-      Divider(),
       ListTile(
         title: Text(
           I18N.of(context).subcategories,
           style: TextStyle(fontWeight: FontWeight.bold)
         )
       ),
-      SubcategoryList(_subcategories),
     ];
+
+    if (loading) {
+      tiles.add(progressIndicator());
+    } else if (_subcategories.length == 0) {
+      tiles.add(ListTile(
+        title: Text("No Subcategories"),
+        subtitle: Text("No subcategories available")
+      ));
+    } else {
+      tiles.add(SubcategoryList(_subcategories));
+    }
+
+    return tiles;
   }
 
   List<Widget> partTiles() {
-    return <Widget>[
+    List<Widget> tiles = <Widget>[
       getCategoryDescriptionCard(),
-      Divider(),
       ListTile(
         title: Text(
           I18N.of(context).parts,
           style: TextStyle(fontWeight: FontWeight.bold)
         )
       ),
-      PartList(_parts)
     ];
+
+    if (loading) {
+      tiles.add(progressIndicator());
+    } else if (_parts.length == 0) {
+        tiles.add(ListTile(
+          title: Text("No Parts"),
+          subtitle: Text("No parts available in this category")
+        ));
+    } else {
+        tiles.add(PartList(_parts));
+    }
+
+    return tiles;
   }
 
   List<Widget> actionTiles() {
 
     List<Widget> tiles = [
-      getCategoryDescriptionCard()
+      getCategoryDescriptionCard(),
+      ListTile(
+        title: Text(I18N.of(context).actions,
+          style: TextStyle(fontWeight: FontWeight.bold)
+        )
+      )
     ];
 
     // TODO - Actions!

lib/widget/location_display.dart

@@ -1,6 +1,7 @@
 import 'package:InvenTree/api.dart';
 import 'package:InvenTree/inventree/stock.dart';
 import 'package:InvenTree/preferences.dart';
+import 'package:InvenTree/widget/progress.dart';
 
 import 'package:InvenTree/widget/refreshable_state.dart';
 import 'package:InvenTree/widget/fields.dart';
@@ -235,16 +236,25 @@ class _LocationDisplayState extends RefreshableState<LocationDisplayWidget> {
 List<Widget> detailTiles() {
     List<Widget> tiles = [
       locationDescriptionCard(),
-      Divider(),
       ListTile(
         title: Text(
           I18N.of(context).sublocations,
           style: TextStyle(fontWeight: FontWeight.bold)
         ),
       ),
-      SublocationList(_sublocations)
     ];
 
+    if (loading) {
+      tiles.add(progressIndicator());
+    } else if (_sublocations.length > 0) {
+      tiles.add(SublocationList(_sublocations));
+    } else {
+      tiles.add(ListTile(
+        title: Text("No Sublocations"),
+        subtitle: Text("No sublocations available")
+      ));
+    }
+
     return tiles;
   }
 
@@ -252,16 +262,25 @@ List<Widget> detailTiles() {
   List<Widget> stockTiles() {
     List<Widget> tiles = [
       locationDescriptionCard(),
-      Divider(),
       ListTile(
         title: Text(
             I18N.of(context).stockItems,
             style: TextStyle(fontWeight: FontWeight.bold)
         )
-      ),
-      StockList(_items),
+      )
     ];
 
+    if (loading) {
+      tiles.add(progressIndicator());
+    } else if (_items.length > 0) {
+      tiles.add(StockList(_items));
+    } else {
+      tiles.add(ListTile(
+        title: Text("No Stock Items"),
+        subtitle: Text("No stock items available in this location")
+      ));
+    }
+
     return tiles;
   }
 

lib/widget/part_detail.dart

@@ -1,5 +1,6 @@
 import 'dart:io';
 
+import 'package:InvenTree/widget/progress.dart';
 import 'package:InvenTree/widget/snacks.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/foundation.dart';
@@ -172,6 +173,11 @@ class _PartDisplayState extends RefreshableState<PartDetailWidget> {
       headerTile()
     );
 
+    if (loading) {
+      tiles.add(progressIndicator());
+      return tiles;
+    }
+
     // Category information
     if (part.categoryName != null && part.categoryName.isNotEmpty) {
       tiles.add(

lib/widget/progress.dart

@@ -0,0 +1,13 @@
+
+
+import 'package:flutter/material.dart';
+
+/*
+ * Construct a circular progress indicator
+ */
+Widget progressIndicator() {
+
+  return Center(
+    child: CircularProgressIndicator()
+  );
+}

lib/widget/refreshable_state.dart

@@ -16,6 +16,11 @@ abstract class RefreshableState<T extends StatefulWidget> extends State<T> {
   // Current tab index (used for widgets which display bottom tabs)
   int tabIndex = 0;
 
+  // Bool indicator
+  bool loading = false;
+
+  bool get loaded => !loading;
+
   // Update current tab selection
   void onTabSelectionChanged(int index) {
     setState(() {
@@ -45,8 +50,16 @@ abstract class RefreshableState<T extends StatefulWidget> extends State<T> {
   }
 
   Future<void> refresh() async {
+
+    setState(() {
+      loading = true;
+    });
+
     await request(context);
-    setState(() {});
+
+    setState(() {
+      loading = false;
+    });
   }
 
   // Function to construct an appbar (override if needed)

lib/widget/stock_detail.dart

@@ -8,6 +8,7 @@ import 'package:InvenTree/widget/dialogs.dart';
 import 'package:InvenTree/widget/fields.dart';
 import 'package:InvenTree/widget/location_display.dart';
 import 'package:InvenTree/widget/part_detail.dart';
+import 'package:InvenTree/widget/progress.dart';
 import 'package:InvenTree/widget/refreshable_state.dart';
 import 'package:InvenTree/widget/snacks.dart';
 import 'package:InvenTree/widget/stock_item_test_results.dart';
@@ -314,6 +315,15 @@ class _StockItemDisplayState extends RefreshableState<StockDetailWidget> {
             color: item.statusColor
           )
         ),
+        onTap: () {
+          if (item.partId > 0) {
+            InvenTreePart().get(context, item.partId).then((var part) {
+              if (part is InvenTreePart) {
+                Navigator.push(context, MaterialPageRoute(builder: (context) => PartDetailWidget(part)));
+              }
+            });
+          }
+        },
         //trailing: Text(item.serialOrQuantityDisplay()),
       )
     );
@@ -329,22 +339,29 @@ class _StockItemDisplayState extends RefreshableState<StockDetailWidget> {
     // Image / name / description
     tiles.add(headerTile());
 
+    if (loading) {
+      tiles.add(progressIndicator());
+      return tiles;
+    }
+
+    // Quantity information
+    if (item.isSerialized()) {
       tiles.add(
           ListTile(
-        title: Text(I18N.of(context).part),
-        subtitle: Text("${item.partName}"),
-        leading: FaIcon(FontAwesomeIcons.shapes),
-        onTap: () {
-          if (item.partId > 0) {
-            InvenTreePart().get(context, item.partId).then((var part) {
-              if (part is InvenTreePart) {
-                Navigator.push(context, MaterialPageRoute(builder: (context) => PartDetailWidget(part)));
-              }
-            });
-          }
-        },
+            title: Text(I18N.of(context).serialNumber),
+            leading: FaIcon(FontAwesomeIcons.hashtag),
+            trailing: Text("${item.serialNumber}"),
           )
       );
+    } else {
+      tiles.add(
+          ListTile(
+            title: Text(I18N.of(context).quantity),
+            leading: FaIcon(FontAwesomeIcons.cubes),
+            trailing: Text("${item.quantityString}"),
+          )
+      );
+    }
 
     // Location information
     if ((item.locationId > 0) && (item.locationName != null) && (item.locationName.isNotEmpty)) {
@@ -373,24 +390,7 @@ class _StockItemDisplayState extends RefreshableState<StockDetailWidget> {
       );
     }
 
-    // Quantity information
-    if (item.isSerialized()) {
-      tiles.add(
-          ListTile(
-            title: Text(I18N.of(context).serialNumber),
-            leading: FaIcon(FontAwesomeIcons.hashtag),
-            trailing: Text("${item.serialNumber}"),
-          )
-      );
-    } else {
-      tiles.add(
-          ListTile(
-            title: Text(I18N.of(context).quantity),
-            leading: FaIcon(FontAwesomeIcons.cubes),
-            trailing: Text("${item.quantityString}"),
-          )
-      );
-    }
+
 
     // Supplier part?
     // TODO: Display supplier part info page?

lib/widget/stock_item_test_results.dart

@@ -4,6 +4,7 @@ import 'package:InvenTree/inventree/model.dart';
 import 'package:InvenTree/api.dart';
 import 'package:InvenTree/widget/dialogs.dart';
 import 'package:InvenTree/widget/fields.dart';
+import 'package:InvenTree/widget/progress.dart';
 import 'package:InvenTree/widget/snacks.dart';
 
 import 'package:flutter_gen/gen_l10n/app_localizations.dart';
@@ -166,8 +167,40 @@ class _StockItemTestResultDisplayState extends RefreshableState<StockItemTestRes
   List<Widget> resultsList() {
     List<Widget> tiles = [];
 
+    tiles.add(
+      Card(
+        child: ListTile(
+          title: Text(item.partName),
+          subtitle: Text(item.partDescription),
+          leading: InvenTreeAPI().getImage(item.partImage),
+        )
+      )
+    );
+
+    tiles.add(
+      ListTile(
+        title: Text("Test Results",
+          style: TextStyle(fontWeight: FontWeight.bold)
+        )
+      )
+    );
+
+    if (loading) {
+      tiles.add(progressIndicator());
+      return tiles;
+    }
+
     var results = getTestResults();
 
+    if (results.length == 0) {
+      tiles.add(ListTile(
+        title: Text("No Results"),
+        subtitle: Text("No test results available"),
+      ));
+
+      return tiles;
+    }
+
     for (var item in results) {
 
       bool _required = false;
@@ -231,6 +264,7 @@ class _StockItemTestResultDisplayState extends RefreshableState<StockItemTestRes
 
   @override
   Widget getBody(BuildContext context) {
+
     return ListView(
       children: ListTile.divideTiles(
         context: context,
@@ -239,6 +273,7 @@ class _StockItemTestResultDisplayState extends RefreshableState<StockItemTestRes
     );
   }
 
+  /*
   List<SpeedDialChild> actionButtons() {
 
     var buttons = List<SpeedDialChild>();
@@ -253,14 +288,15 @@ class _StockItemTestResultDisplayState extends RefreshableState<StockItemTestRes
 
     return buttons;
   }
+   */
 
   @override
   Widget getFab(BuildContext context) {
-    return SpeedDial(
-      visible: true,
-      animatedIcon: AnimatedIcons.menu_close,
-      heroTag: 'stock-item-results-tab',
-      children: actionButtons(),
+    return FloatingActionButton(
+      child: Icon(FontAwesomeIcons.plus),
+      onPressed: () {
+        addTestResult();
+      },
     );
   }
 }

pubspec.lock

@@ -434,48 +434,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "4.0.4"
-  shared_preferences:
-    dependency: "direct main"
-    description:
-      name: shared_preferences
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.5.12+4"
-  shared_preferences_linux:
-    dependency: transitive
-    description:
-      name: shared_preferences_linux
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.0.2+4"
-  shared_preferences_macos:
-    dependency: transitive
-    description:
-      name: shared_preferences_macos
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.0.1+11"
-  shared_preferences_platform_interface:
-    dependency: transitive
-    description:
-      name: shared_preferences_platform_interface
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.0.4"
-  shared_preferences_web:
-    dependency: transitive
-    description:
-      name: shared_preferences_web
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.1.2+7"
-  shared_preferences_windows:
-    dependency: transitive
-    description:
-      name: shared_preferences_windows
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.0.2+3"
   sky_engine:
     dependency: transitive
     description: flutter