public override Widget build(BuildContext context)
{
D.assert(actions.isNotEmpty);
ThemeData theme = Theme.of(context);
MaterialBannerThemeData bannerTheme = MaterialBannerTheme.of(context);
bool isSingleRow = actions.Count == 1 && !forceActionsBelow;
EdgeInsetsGeometry padding = this.padding ?? bannerTheme?.padding ?? (isSingleRow
? EdgeInsetsDirectional.only(start: 16.0f, top: 2.0f)
: EdgeInsetsDirectional.only(start: 16.0f, top: 24.0f, end: 16.0f,
bottom: 4.0f));
EdgeInsetsGeometry leadingPadding = this.leadingPadding
?? bannerTheme?.padding
?? EdgeInsetsDirectional.only(end: 16.0f);
Widget buttonBar = new ButtonBar(
layoutBehavior: ButtonBarLayoutBehavior.constrained,
children: actions
);
Color backgroundColor = this.backgroundColor
?? bannerTheme?.backgroundColor
?? theme.colorScheme.surface;
TextStyle textStyle = contentTextStyle
?? bannerTheme?.contentTextStyle
?? theme.textTheme.bodyText2;
var rowList = new List <Widget>();
if (leading != null)
{
rowList.Add(new Padding(
padding: leadingPadding,
child: leading
));
}
rowList.Add(new Expanded(
child: new DefaultTextStyle(
style: textStyle,
child: content
)
));
if (isSingleRow)
{
rowList.Add(buttonBar);
}
var columnList = new List <Widget>();
columnList.Add(new Padding(
padding: padding,
child: new Row(
children: rowList
)
));
if (!isSingleRow)
{
columnList.Add(buttonBar);
}
columnList.Add(new Divider(height: 0));
return(new Container(
color: backgroundColor,
child: new Column(
children: columnList
)
));
}
public override Widget build(BuildContext context)
{
ThemeData theme = Theme.of(context);
ColorScheme colorScheme = theme.colorScheme;
MaterialLocalizations localizations = MaterialLocalizations.of(context);
Orientation? orientation = MediaQuery.of(context).orientation;
TextTheme textTheme = theme.textTheme;
float textScaleFactor = Mathf.Min(MediaQuery.of(context).textScaleFactor, 1.3f);
string dateText = _selectedDate != null
? localizations.formatMediumDate(_selectedDate)
: "Date";
Color dateColor = colorScheme.brightness == Brightness.light
? colorScheme.onPrimary
: colorScheme.onSurface;
TextStyle dateStyle = orientation == Orientation.landscape
? textTheme.headline5?.copyWith(color: dateColor)
: textTheme.headline4?.copyWith(color: dateColor);
Widget actions = new ButtonBar(
buttonTextTheme: ButtonTextTheme.primary,
layoutBehavior: ButtonBarLayoutBehavior.constrained,
children: new List <Widget> {
new FlatButton(
child: new Text(widget.cancelText ?? localizations.cancelButtonLabel),
onPressed: _handleCancel
),
new FlatButton(
child: new Text(widget.confirmText ?? localizations.okButtonLabel),
onPressed: _handleOk
),
}
);
Widget picker = null;
IconData entryModeIcon = null;
string entryModeTooltip = null;
switch (_entryMode)
{
case DatePickerEntryMode.calendar:
picker = new CalendarDatePicker(
key: _calendarPickerKey,
initialDate: _selectedDate,
firstDate: widget.firstDate,
lastDate: widget.lastDate,
onDateChanged: _handleDateChanged,
selectableDayPredicate: widget.selectableDayPredicate,
initialCalendarMode: widget.initialCalendarMode
);
entryModeIcon = Icons.edit;
entryModeTooltip = "Switch to input";
break;
case DatePickerEntryMode.input:
picker = new Form(
key: _formKey,
autovalidate: _autoValidate,
child: new InputDatePickerFormField(
initialDate: _selectedDate,
firstDate: widget.firstDate,
lastDate: widget.lastDate,
onDateSubmitted: _handleDateChanged,
onDateSaved: _handleDateChanged,
selectableDayPredicate: widget.selectableDayPredicate,
errorFormatText: widget.errorFormatText,
errorInvalidText: widget.errorInvalidText,
fieldHintText: widget.fieldHintText,
fieldLabelText: widget.fieldLabelText,
autofocus: true
)
);
entryModeIcon = Icons.calendar_today;
entryModeTooltip = "Switch to calendar";
break;
}
Widget header = new DatePickerHeader(
helpText: widget.helpText ?? "SELECT DATE",
titleText: dateText,
titleStyle: dateStyle,
orientation: orientation,
isShort: orientation == Orientation.landscape,
icon: entryModeIcon,
iconTooltip: entryModeTooltip,
onIconPressed: _handelEntryModeToggle
);
Size dialogSize = _dialogSize(context) * textScaleFactor;
DialogTheme dialogTheme = Theme.of(context).dialogTheme;
return(new Dialog(
child: new AnimatedContainer(
width: dialogSize.width,
height: dialogSize.height,
duration: material_._dialogSizeAnimationDuration,
curve: Curves.easeIn,
child: new MediaQuery(
data: MediaQuery.of(context).copyWith(
textScaleFactor: textScaleFactor
),
child: new Builder(builder: (BuildContext subContext) => {
switch (orientation)
{
case Orientation.portrait:
return new Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.stretch,
children: new List <Widget> {
header,
new Expanded(child: picker),
actions,
}
);
case Orientation.landscape:
return new Row(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.stretch,
children: new List <Widget> {
header,
new Flexible(
child: new Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.stretch,
children: new List <Widget> {
new Expanded(child: picker),
actions,
}
)
),
}
);
}
return null;
})
)
),
insetPadding: EdgeInsets.symmetric(horizontal: 16.0f, vertical: 24.0f),
shape: dialogTheme.shape ?? new RoundedRectangleBorder(
borderRadius: BorderRadius.all(Radius.circular(4.0f))
),
clipBehavior: Clip.antiAlias
));
}
