150 lines
4.7 KiB
Dart
150 lines
4.7 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:photos/theme/ente_theme.dart';
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import 'package:photos/ui/components/icon_button_widget.dart';
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class TitleBarWidget extends StatelessWidget {
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final IconButtonWidget? leading;
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final String? title;
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final String? caption;
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final Widget? flexibleSpaceTitle;
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final String? flexibleSpaceCaption;
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final List<Widget>? actionIcons;
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final bool isTitleH2WithoutLeading;
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final bool isFlexibleSpaceDisabled;
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final bool isOnTopOfScreen;
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const TitleBarWidget({
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this.leading,
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this.title,
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this.caption,
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this.flexibleSpaceTitle,
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this.flexibleSpaceCaption,
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this.actionIcons,
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this.isTitleH2WithoutLeading = false,
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this.isFlexibleSpaceDisabled = false,
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this.isOnTopOfScreen = true,
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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 toolbarHeight = 48.0;
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final textTheme = getEnteTextTheme(context);
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final colorTheme = getEnteColorScheme(context);
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return SliverAppBar(
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primary: isOnTopOfScreen ? true : false,
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toolbarHeight: toolbarHeight,
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leadingWidth: 48,
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automaticallyImplyLeading: false,
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pinned: true,
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expandedHeight: isFlexibleSpaceDisabled ? toolbarHeight : 102,
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centerTitle: false,
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titleSpacing: 4,
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title: Padding(
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padding: EdgeInsets.only(left: isTitleH2WithoutLeading ? 16 : 0),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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mainAxisAlignment: MainAxisAlignment.start,
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children: [
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title == null
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? const SizedBox.shrink()
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: Text(
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title!,
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style: isTitleH2WithoutLeading
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? textTheme.h2Bold
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: textTheme.largeBold,
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),
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caption == null || isTitleH2WithoutLeading
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? const SizedBox.shrink()
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: Text(
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caption!,
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style: textTheme.mini.copyWith(color: colorTheme.textMuted),
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)
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],
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),
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),
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actions: [
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 4),
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child: Row(
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children: _actionsWithPaddingInBetween(),
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),
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),
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],
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leading: isTitleH2WithoutLeading
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? null
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: leading ??
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IconButtonWidget(
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icon: Icons.arrow_back_outlined,
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iconButtonType: IconButtonType.primary,
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onTap: () {
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Navigator.pop(context);
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},
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),
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flexibleSpace: isFlexibleSpaceDisabled
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? null
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: FlexibleSpaceBar(
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background: SafeArea(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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mainAxisSize: MainAxisSize.min,
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children: <Widget>[
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const SizedBox(height: toolbarHeight),
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Padding(
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padding: const EdgeInsets.symmetric(
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vertical: 4,
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horizontal: 16,
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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flexibleSpaceTitle == null
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? const SizedBox.shrink()
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: flexibleSpaceTitle!,
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flexibleSpaceCaption == null
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? const SizedBox.shrink()
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: Text(
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flexibleSpaceCaption!,
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style: textTheme.small.copyWith(
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color: colorTheme.textMuted,
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),
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overflow: TextOverflow.ellipsis,
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maxLines: 1,
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)
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],
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),
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),
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],
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),
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),
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),
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);
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}
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_actionsWithPaddingInBetween() {
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if (actionIcons == null) {
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return <Widget>[const SizedBox.shrink()];
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}
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final actions = <Widget>[];
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bool addWhiteSpace = false;
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final length = actionIcons!.length;
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int index = 0;
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if (length == 0) {
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return <Widget>[const SizedBox.shrink()];
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}
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if (length == 1) {
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return actionIcons;
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}
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while (index < length) {
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if (!addWhiteSpace) {
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actions.add(actionIcons![index]);
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index++;
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addWhiteSpace = true;
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} else {
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actions.add(const SizedBox(width: 4));
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addWhiteSpace = false;
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}
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}
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return actions;
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}
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}
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