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fix: improve loading visual for template legend

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Freek van de Ven 2024-07-09 10:55:20 +02:00 committed by Bart Ribbers
parent 8b138a8072
commit 71d76bba04
1 changed files with 14 additions and 7 deletions
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21
packages/flutter_availability/lib/src/ui/widgets/template_legend.dart
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@ -38,11 +38,12 @@ class _TemplateLegendState extends State<TemplateLegend> {
var templatesLoading = var templatesLoading =
widget.availabilities.connectionState == ConnectionState.waiting; widget.availabilities.connectionState == ConnectionState.waiting;
var templatesAvailable = widget.availabilities.data?.isNotEmpty ?? false; var templatesAvailable =
!templatesLoading && (widget.availabilities.data?.isNotEmpty ?? false);
var templates = widget.availabilities.data?.getUniqueTemplates() ?? []; var templates = widget.availabilities.data?.getUniqueTemplates() ?? [];
void onDrawerHeaderClick() { void onDrawerHeaderClick() {
if (!templatesAvailable) { if (!templatesAvailable && !_templateDrawerOpen) {
return; return;
} }
setState(() { setState(() {
@ -69,6 +70,7 @@ class _TemplateLegendState extends State<TemplateLegend> {
); );
return Column( return Column(
children: [ children: [
// a button to open/close a drawer with all the templates
GestureDetector( GestureDetector(
onTap: onDrawerHeaderClick, onTap: onDrawerHeaderClick,
child: ColoredBox( child: ColoredBox(
@ -81,8 +83,8 @@ class _TemplateLegendState extends State<TemplateLegend> {
translations.templateLegendTitle, translations.templateLegendTitle,
style: textTheme.titleMedium, style: textTheme.titleMedium,
), ),
// a button to open a drawer with all the templates if ((templatesAvailable && !templatesLoading) ||
if (templatesAvailable && !templatesLoading) ...[ _templateDrawerOpen) ...[
Icon( Icon(
_templateDrawerOpen _templateDrawerOpen
? Icons.arrow_drop_up ? Icons.arrow_drop_up
@ -96,6 +98,7 @@ class _TemplateLegendState extends State<TemplateLegend> {
const SizedBox(height: 4), const SizedBox(height: 4),
AnimatedContainer( AnimatedContainer(
duration: const Duration(milliseconds: 500), duration: const Duration(milliseconds: 500),
// TODO(freek): Animation should be used so it doesn't instantly close
constraints: BoxConstraints(maxHeight: _templateDrawerOpen ? 150 : 0), constraints: BoxConstraints(maxHeight: _templateDrawerOpen ? 150 : 0),
decoration: BoxDecoration( decoration: BoxDecoration(
border: _templateDrawerOpen border: _templateDrawerOpen
@ -103,7 +106,7 @@ class _TemplateLegendState extends State<TemplateLegend> {
: null, : null,
), ),
padding: const EdgeInsets.only(right: 2), padding: const EdgeInsets.only(right: 2),
child: _templateDrawerOpen child: _templateDrawerOpen && !templatesLoading
? SingleChildScrollView( ? SingleChildScrollView(
child: Column( child: Column(
children: [ children: [
@ -150,9 +153,13 @@ class _TemplateLegendState extends State<TemplateLegend> {
], ],
), ),
) )
: const Divider(height: 1), : const Divider(
height: 1,
thickness: 1,
),
), ),
if (!templatesAvailable && !_templateDrawerOpen) ...[ if (!templatesAvailable &&
(!_templateDrawerOpen || templatesLoading)) ...[
const SizedBox(height: 12), const SizedBox(height: 12),
if (templatesLoading) ...[ if (templatesLoading) ...[
const CircularProgressIndicator.adaptive(), const CircularProgressIndicator.adaptive(),