72 lines
2.6 KiB
Dart
72 lines
2.6 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:photos/ui/components/blur_menu_item_widget.dart';
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import 'package:photos/ui/components/divider_widget.dart';
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class ExpandedMenuWidget extends StatelessWidget {
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final List<BlurMenuItemWidget> items;
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final List<int> groupingOrder;
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const ExpandedMenuWidget({
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required this.items,
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/// To specify the grouping of items. Eg: [2,2] for 2 sections with 2 items
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/// each, [4,1,2] for 3 sections with 4, 1 and 2 items respectively.
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/// Make sure sum of ints in this.groupingOrder is equal to length of this.items
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required this.groupingOrder,
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super.key,
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});
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@override
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Widget build(BuildContext context) {
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const double itemHeight = 48;
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const double whiteSpaceBetweenSections = 16;
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const double dividerHeightBetweenItems = 1;
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int totalItemIndex = 0;
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int numberOfDividers = 0;
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for (int group in groupingOrder) {
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//no divider if there is only one item in the section/group
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if (group != 1) {
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numberOfDividers += (group - 1);
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}
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}
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return Padding(
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padding: const EdgeInsets.symmetric(vertical: 12, horizontal: 16),
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child: SizedBox(
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height: (itemHeight * items.length) +
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(dividerHeightBetweenItems * numberOfDividers) +
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(whiteSpaceBetweenSections * (groupingOrder.length - 1)),
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child: ListView.separated(
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padding: const EdgeInsets.all(0),
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physics: const NeverScrollableScrollPhysics(),
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itemBuilder: (context, sectionIndex) {
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return ClipRRect(
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borderRadius: const BorderRadius.all(Radius.circular(8)),
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child: SizedBox(
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height: itemHeight * groupingOrder[sectionIndex] +
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(dividerHeightBetweenItems *
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(groupingOrder[sectionIndex] - 1)),
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child: ListView.separated(
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padding: const EdgeInsets.all(0),
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physics: const NeverScrollableScrollPhysics(),
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itemBuilder: (context, _) {
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return items[totalItemIndex++];
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},
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separatorBuilder: (context, index) {
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return const DividerWidget(
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dividerType: DividerType.bottomBar,
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);
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},
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itemCount: groupingOrder[sectionIndex],
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),
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),
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);
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},
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separatorBuilder: (context, index) {
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return const SizedBox(height: whiteSpaceBetweenSections);
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},
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itemCount: groupingOrder.length,
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),
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),
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);
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}
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}
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