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Refactoring of paginated views

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This commit is contained in:
Oliver Walters
2021-03-03 23:58:59 +11:00
parent 989e0e81b3
commit c1312e4e5d
4 changed files with 200 additions and 90 deletions
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109
lib/widget/location_display.dart
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@ -10,6 +10,7 @@ import 'package:InvenTree/widget/dialogs.dart';
import 'package:InvenTree/widget/search.dart';
import 'package:InvenTree/widget/snacks.dart';
import 'package:InvenTree/widget/stock_detail.dart';
import 'package:InvenTree/widget/paginator.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
@ -131,8 +132,6 @@ class _LocationDisplayState extends RefreshableState<LocationDisplayWidget> {
}
}
List<InvenTreeStockItem> _items = List<InvenTreeStockItem>();
@override
Future<void> onBuild(BuildContext context) async {
refresh();
@ -162,7 +161,7 @@ class _LocationDisplayState extends RefreshableState<LocationDisplayWidget> {
setState(() {});
}
Widget locationDescriptionCard() {
Widget locationDescriptionCard({bool includeActions = true}) {
if (location == null) {
return Card(
child: ListTile(
@ -170,13 +169,16 @@ class _LocationDisplayState extends RefreshableState<LocationDisplayWidget> {
)
);
} else {
return Card(
child: Column(
children: <Widget> [
ListTile(
title: Text("${location.name}"),
subtitle: Text("${location.description}"),
),
List<Widget> children = [
ListTile(
title: Text("${location.name}"),
subtitle: Text("${location.description}"),
),
];
if (includeActions) {
children.add(
ListTile(
title: Text("Parent Category"),
subtitle: Text("${location.parentpathstring}"),
@ -193,7 +195,12 @@ class _LocationDisplayState extends RefreshableState<LocationDisplayWidget> {
}
},
)
]
);
}
return Card(
child: Column(
children: children,
)
);
}
@ -222,6 +229,8 @@ class _LocationDisplayState extends RefreshableState<LocationDisplayWidget> {
);
}
int stockItemCount = 0;
Widget getSelectedWidget(int index) {
switch (index) {
case 0:
@ -229,7 +238,30 @@ class _LocationDisplayState extends RefreshableState<LocationDisplayWidget> {
children: detailTiles(),
);
case 1:
return PaginatedStockList({"location": "${location?.pk ?? -1}"});
return Column(
mainAxisAlignment: MainAxisAlignment.start,
children: [
locationDescriptionCard(includeActions: false),
ListTile(
title: Text(
I18N.of(context).stockItems,
style: TextStyle(fontWeight: FontWeight.bold),
),
trailing: Text("${stockItemCount}")
),
Divider(height: 3),
Expanded(
child: PaginatedStockList(
{"location": "${location?.pk ?? -1}"},
onTotalChanged: (int total) {
setState(() {
stockItemCount = total;
});
}
),
)
]
);
case 2:
return ListView(
children: ListTile.divideTiles(
@ -275,40 +307,10 @@ List<Widget> detailTiles() {
}
List<Widget> stockTiles() {
List<Widget> tiles = [
locationDescriptionCard(),
ListTile(
title: Text(
I18N.of(context).stockItems,
style: TextStyle(fontWeight: FontWeight.bold)
),
trailing: _items.length > 0 ? Text("${_items.length}") : null,
)
];
/*
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;
}
List<Widget> actionTiles() {
List<Widget> tiles = [];
tiles.add(locationDescriptionCard());
tiles.add(locationDescriptionCard(includeActions: false));
// Stock adjustment actions
if (InvenTreeAPI().checkPermission('stock', 'change')) {
@ -403,10 +405,12 @@ class PaginatedStockList extends StatefulWidget {
final Map<String, String> filters;
PaginatedStockList(this.filters);
Function onTotalChanged;
PaginatedStockList(this.filters, {this.onTotalChanged});
@override
_PaginatedStockListState createState() => _PaginatedStockListState(filters);
_PaginatedStockListState createState() => _PaginatedStockListState(filters, onTotalChanged);
}
@ -418,7 +422,9 @@ class _PaginatedStockListState extends State<PaginatedStockList> {
final Map<String, String> filters;
_PaginatedStockListState(this.filters);
Function onTotalChanged;
_PaginatedStockListState(this.filters, this.onTotalChanged);
final PagingController<int, InvenTreeStockItem> _pagingController = PagingController(firstPageKey: 0);
@ -464,6 +470,11 @@ class _PaginatedStockListState extends State<PaginatedStockList> {
final int nextPageKey = pageKey + page.length;
_pagingController.appendPage(items, nextPageKey);
}
if (onTotalChanged != null) {
onTotalChanged(page.count);
}
} catch (error) {
_pagingController.error = error;
}
@ -498,6 +509,9 @@ class _PaginatedStockListState extends State<PaginatedStockList> {
@override
Widget build (BuildContext context) {
return CustomScrollView(
shrinkWrap: true,
physics: ClampingScrollPhysics(),
scrollDirection: Axis.vertical,
slivers: <Widget>[
// TODO - Search input
PagedSliverList.separated(
@ -505,6 +519,9 @@ class _PaginatedStockListState extends State<PaginatedStockList> {
builderDelegate: PagedChildBuilderDelegate<InvenTreeStockItem>(
itemBuilder: (context, item, index) {
return _buildItem(context, item);
},
noItemsFoundIndicatorBuilder: (context) {
return NoResultsWidget("No stock items found");
}
),
separatorBuilder: (context, item) => const Divider(height: 1),