53 lines
1.7 KiB
Dart
53 lines
1.7 KiB
Dart
// @dart=2.9
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import 'dart:math';
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import 'package:flutter/material.dart';
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import 'package:photos/models/collection_items.dart';
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import 'package:photos/ui/collections/collection_item_widget.dart';
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import 'package:photos/ui/collections/create_new_album_widget.dart';
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class RemoteCollectionsGridViewWidget extends StatelessWidget {
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final List<CollectionWithThumbnail> collections;
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const RemoteCollectionsGridViewWidget(
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this.collections, {
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Key key,
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}) : super(key: key);
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@override
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Widget build(BuildContext context) {
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const double horizontalPaddingOfGridRow = 16;
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const double crossAxisSpacingOfGrid = 9;
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final Size size = MediaQuery.of(context).size;
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final int albumsCountInOneRow = max(size.width ~/ 220.0, 2);
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final double sideOfThumbnail = (size.width / albumsCountInOneRow) -
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horizontalPaddingOfGridRow -
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((crossAxisSpacingOfGrid / 2) * (albumsCountInOneRow - 1));
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return Padding(
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padding: const EdgeInsets.symmetric(horizontal: 16),
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child: GridView.builder(
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shrinkWrap: true,
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physics: const ScrollPhysics(),
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// to disable GridView's scrolling
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itemBuilder: (context, index) {
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if (index < collections.length) {
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return CollectionItem(collections[index]);
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} else {
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return const CreateNewAlbumWidget();
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}
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},
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itemCount: collections.length + 1,
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// To include the + button
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gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
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crossAxisCount: albumsCountInOneRow,
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mainAxisSpacing: 12,
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crossAxisSpacing: crossAxisSpacingOfGrid,
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childAspectRatio: sideOfThumbnail / (sideOfThumbnail + 24),
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), //24 is height of album title
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),
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);
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}
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}
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