public override Widget build(BuildContext context)
{
string previousTooltipText =
$"{_localizations.previousMonthTooltip} {_localizations.formatMonthYear(_previousMonthDate)}";
string nextTooltipText =
$"{_localizations.nextMonthTooltip} {_localizations.formatMonthYear(_nextMonthDate)}";
Color controlColor = Theme.of(context).colorScheme.onSurface.withOpacity(0.60f);
return(new Column(
children: new List <Widget> {
new Container(
padding: EdgeInsetsDirectional.only(start: 16, end: 4),
height: material_._subHeaderHeight,
child:
new Row(
children: new List <Widget> {
new Spacer(),
new IconButton(
icon: new Icon(Icons.chevron_left),
color: controlColor,
tooltip: _isDisplayingFirstMonth ? null : previousTooltipText,
onPressed: _isDisplayingFirstMonth ? (VoidCallback)null : _handlePreviousMonth
),
new IconButton(icon: new Icon(Icons.chevron_right),
color: controlColor,
tooltip: _isDisplayingLastMonth ? null : nextTooltipText,
onPressed: _isDisplayingLastMonth ? (VoidCallback)null : _handleNextMonth
)
}
)
),
new _DayHeaders(),
new Expanded(
child: PageView.builder(
controller: _pageController,
itemBuilder: _buildItems,
itemCount: utils.monthDelta(widget.firstDate, widget.lastDate) + 1,
scrollDirection: Axis.horizontal,
onPageChanged: _handleMonthPageChanged
)
)
}
));
}
public override Widget build(BuildContext context)
{
return(new Stack(
children: new List <Widget> {
new SingleChildScrollView(
child: new SizedBox(
height: material_._maxDayPickerHeight,
child: _buildPicker()
)
),
// Put the mode toggle button on top so that it won"t be covered up by the _MonthPicker
new _DatePickerModeToggleButton(
mode: _mode,
title: _localizations.formatMonthYear(_currentDisplayedMonthDate),
onTitlePressed: () => {
// Toggle the day/year mode.
_handleModeChanged(_mode == DatePickerMode.day ? DatePickerMode.year : DatePickerMode.day);
}
)
}
));
}
public override Widget build(BuildContext context)
{
ThemeData themeData = Theme.of(context);
MaterialLocalizations localizations = MaterialLocalizations.of(context);
int year = this.displayedMonth.Year;
int month = this.displayedMonth.Month;
int daysInMonth = getDaysInMonth(year, month);
int firstDayOffset = this._computeFirstDayOffset(year, month, localizations);
List <Widget> labels = new List <Widget>();
labels.AddRange(this._getDayHeaders(themeData.textTheme.caption, localizations));
for (int i = 0; true; i += 1)
{
int day = i - firstDayOffset + 1;
if (day > daysInMonth)
{
break;
}
if (day < 1)
{
labels.Add(new Container());
}
else
{
DateTime dayToBuild = new DateTime(year, month, day);
bool disabled = dayToBuild > this.lastDate ||
dayToBuild < this.firstDate ||
(this.selectableDayPredicate != null &&
!this.selectableDayPredicate(dayToBuild));
BoxDecoration decoration = null;
TextStyle itemStyle = themeData.textTheme.body1;
bool isSelectedDay = this.selectedDate.Year == year && this.selectedDate.Month == month &&
this.selectedDate.Day == day;
if (isSelectedDay)
{
itemStyle = themeData.accentTextTheme.body2;
decoration = new BoxDecoration(
color: themeData.accentColor,
shape: BoxShape.circle
);
}
else if (disabled)
{
itemStyle = themeData.textTheme.body1.copyWith(color: themeData.disabledColor);
}
else if (this.currentDate.Year == year && this.currentDate.Month == month &&
this.currentDate.Day == day)
{
itemStyle = themeData.textTheme.body2.copyWith(color: themeData.accentColor);
}
Widget dayWidget = new Container(
decoration: decoration,
child: new Center(
child: new Text(localizations.formatDecimal(day), style: itemStyle)
)
);
if (!disabled)
{
dayWidget = new GestureDetector(
behavior: HitTestBehavior.opaque,
onTap: () => { this.onChanged(dayToBuild); },
child: dayWidget,
dragStartBehavior: this.dragStartBehavior
);
}
labels.Add(dayWidget);
}
}
return(new Padding(
padding: EdgeInsets.symmetric(horizontal: 8.0f),
child: new Column(
children: new List <Widget> {
new Container(
height: DatePickerUtils._kDayPickerRowHeight,
child: new Center(
child: new Text(
localizations.formatMonthYear(this.displayedMonth),
style: themeData.textTheme.subhead
)
)
),
new Flexible(
child: GridView.custom(
gridDelegate: DatePickerUtils._kDayPickerGridDelegate,
childrenDelegate: new SliverChildListDelegate(labels, addRepaintBoundaries: false)
)
)
}
)
));
}
