public override Widget build(BuildContext context)
{
ThemeData theme = Theme.of(context);
Widget picker = new Flexible(
child: new SizedBox(
height: DatePickerUtils._kMaxDayPickerHeight,
child: this._buildPicker()
)
);
Widget actions = ButtonTheme.bar(
child: new ButtonBar(
children: new List <Widget> {
new FlatButton(
child: new Text(this.localizations.cancelButtonLabel),
onPressed: this._handleCancel
),
new FlatButton(
child: new Text(this.localizations.okButtonLabel),
onPressed: this._handleOk
)
}
)
);
Dialog dialog = new Dialog(
child: new OrientationBuilder(
builder: (BuildContext _context, Orientation orientation) => {
Widget header = new _DatePickerHeader(
selectedDate: this._selectedDate,
mode: this._mode,
onModeChanged: this._handleModeChanged,
orientation: orientation
);
switch (orientation)
{
case Orientation.portrait:
return(new SizedBox(
width: DatePickerUtils._kMonthPickerPortraitWidth,
child: new Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.stretch,
children: new List <Widget> {
header,
new Container(
color: theme.dialogBackgroundColor,
child: new Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.stretch,
children: new List <Widget> {
picker,
actions,
}
)
)
}
)
));
case Orientation.landscape:
return(new SizedBox(
height: DatePickerUtils._kDatePickerLandscapeHeight,
child: new Row(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.stretch,
children: new List <Widget> {
header,
new Flexible(
child: new Container(
width: DatePickerUtils._kMonthPickerLandscapeWidth,
color: theme.dialogBackgroundColor,
child: new Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.stretch,
children: new List <Widget> {
picker, actions
}
)
)
)
}
)
));
}
return(null);
}
)
);
return(new Theme(
data: theme.copyWith(
dialogBackgroundColor: Colors.transparent
),
child: dialog
));
}
public override Widget build(BuildContext context)
{
MaterialLocalizations localizations = MaterialLocalizations.of(context);
ThemeData themeData = Theme.of(context);
TextTheme headerTextTheme = themeData.primaryTextTheme;
Color dayColor = null;
Color yearColor = null;
switch (themeData.primaryColorBrightness)
{
case Brightness.light:
dayColor = this.mode == DatePickerMode.day ? Colors.black87 : Colors.black54;
yearColor = this.mode == DatePickerMode.year ? Colors.black87 : Colors.black54;
break;
case Brightness.dark:
dayColor = this.mode == DatePickerMode.day ? Colors.white : Colors.white70;
yearColor = this.mode == DatePickerMode.year ? Colors.white : Colors.white70;
break;
}
TextStyle dayStyle = headerTextTheme.display1.copyWith(color: dayColor, height: 1.4f);
TextStyle yearStyle = headerTextTheme.subhead.copyWith(color: yearColor, height: 1.4f);
Color backgroundColor = null;
switch (themeData.brightness)
{
case Brightness.light:
backgroundColor = themeData.primaryColor;
break;
case Brightness.dark:
backgroundColor = themeData.backgroundColor;
break;
}
float width = 0f;
float height = 0f;
EdgeInsets padding = null;
MainAxisAlignment mainAxisAlignment = MainAxisAlignment.center;
switch (this.orientation)
{
case Orientation.portrait:
height = DatePickerUtils._kDatePickerHeaderPortraitHeight;
padding = EdgeInsets.symmetric(horizontal: 16.0f);
mainAxisAlignment = MainAxisAlignment.center;
break;
case Orientation.landscape:
width = DatePickerUtils._kDatePickerHeaderLandscapeWidth;
padding = EdgeInsets.all(8.0f);
mainAxisAlignment = MainAxisAlignment.start;
break;
}
Widget yearButton = new IgnorePointer(
ignoring: this.mode != DatePickerMode.day,
child: new _DateHeaderButton(
color: backgroundColor,
onTap: Feedback.wrapForTap(() => this._handleChangeMode(DatePickerMode.year), context),
child: new Text(localizations.formatYear(this.selectedDate), style: yearStyle)
)
);
Widget dayButton = new IgnorePointer(
ignoring: this.mode == DatePickerMode.day,
child: new _DateHeaderButton(
color: backgroundColor,
onTap: Feedback.wrapForTap(() => this._handleChangeMode(DatePickerMode.day), context),
child: new Text(localizations.formatMediumDate(this.selectedDate), style: dayStyle)
)
);
return(new Container(
width: width,
height: height,
padding: padding,
color: backgroundColor,
child: new Column(
mainAxisAlignment: mainAxisAlignment,
crossAxisAlignment: CrossAxisAlignment.start,
children: new List <Widget> {
yearButton, dayButton
}
)
));
}
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)
)
)
}
)
));
}
public override Widget buildPage(BuildContext context, Animation <float> animation,
Animation <float> secondaryAnimation)
{
D.assert(WidgetsD.debugCheckHasDirectionality(context));
float screenHeight = MediaQuery.of(context).size.height;
float maxMenuHeight = screenHeight - 2.0f * DropdownConstants._kMenuItemHeight;
float buttonTop = this.buttonRect.top;
float buttonBottom = this.buttonRect.bottom;
float topLimit = Mathf.Min(DropdownConstants._kMenuItemHeight, buttonTop);
float bottomLimit = Mathf.Max(screenHeight - DropdownConstants._kMenuItemHeight, buttonBottom);
float?selectedItemOffset = this.selectedIndex * DropdownConstants._kMenuItemHeight +
Constants.kMaterialListPadding.top;
float?menuTop = (buttonTop - selectedItemOffset) -
(DropdownConstants._kMenuItemHeight - this.buttonRect.height) / 2.0f;
float preferredMenuHeight = (this.items.Count * DropdownConstants._kMenuItemHeight) +
Constants.kMaterialListPadding.vertical;
float menuHeight = Mathf.Min(maxMenuHeight, preferredMenuHeight);
float?menuBottom = menuTop + menuHeight;
if (menuTop < topLimit)
{
menuTop = Mathf.Min(buttonTop, topLimit);
}
if (menuBottom > bottomLimit)
{
menuBottom = Mathf.Max(buttonBottom, bottomLimit);
menuTop = menuBottom - menuHeight;
}
if (this.scrollController == null)
{
float scrollOffset = preferredMenuHeight > maxMenuHeight
? Mathf.Max(0.0f, selectedItemOffset ?? 0.0f - (buttonTop - (menuTop ?? 0.0f)))
: 0.0f;
this.scrollController = new ScrollController(initialScrollOffset: scrollOffset);
}
Widget menu = new _DropdownMenu <T>(
route: this,
padding: this.padding
);
if (this.theme != null)
{
menu = new Theme(data: this.theme, child: menu);
}
return(MediaQuery.removePadding(
context: context,
removeTop: true,
removeBottom: true,
removeLeft: true,
removeRight: true,
child: new Builder(
builder: (BuildContext _context) => {
return new CustomSingleChildLayout(
layoutDelegate: new _DropdownMenuRouteLayout <T>(
buttonRect: this.buttonRect,
menuTop: menuTop ?? 0.0f,
menuHeight: menuHeight
),
child: menu
);
}
)
));
}
public override Widget build(BuildContext context)
{
D.assert(MaterialD.debugCheckHasMaterial(context));
D.assert(MaterialD.debugCheckHasMaterialLocalizations(context));
List <Widget> items = this._enabled ? new List <Widget>(this.widget.items) : new List <Widget>();
int hintIndex = 0;
if (this.widget.hint != null || (!this._enabled && this.widget.disabledHint != null))
{
Widget emplacedHint =
this._enabled
? this.widget.hint
: new DropdownMenuItem <Widget>(child: this.widget.disabledHint ?? this.widget.hint);
hintIndex = items.Count;
items.Add(new DefaultTextStyle(
style: this._textStyle.copyWith(color: Theme.of(context).hintColor),
child: new IgnorePointer(
child: emplacedHint
)
));
}
EdgeInsets padding = ButtonTheme.of(context).alignedDropdown
? DropdownConstants._kAlignedButtonPadding
: DropdownConstants._kUnalignedButtonPadding;
IndexedStack innerItemsWidget = new IndexedStack(
index: this._enabled ? (this._selectedIndex ?? hintIndex) : hintIndex,
alignment: Alignment.centerLeft,
children: items
);
Widget result = new DefaultTextStyle(
style: this._textStyle,
child: new Container(
padding: padding,
height: this.widget.isDense ? this._denseButtonHeight : null,
child: new Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
mainAxisSize: MainAxisSize.min,
children: new List <Widget> {
this.widget.isExpanded ? new Expanded(child: innerItemsWidget) : (Widget)innerItemsWidget,
new Icon(Icons.arrow_drop_down,
size: this.widget.iconSize,
color: this._downArrowColor
)
}
)
)
);
if (!DropdownButtonHideUnderline.at(context))
{
float bottom = this.widget.isDense ? 0.0f : 8.0f;
result = new Stack(
children: new List <Widget> {
result,
new Positioned(
left: 0.0f,
right: 0.0f,
bottom: bottom,
child: new Container(
height: 1.0f,
decoration: new BoxDecoration(
border: new Border(
bottom: new BorderSide(color: new Color(0xFFBDBDBD), width: 0.0f))
)
)
)
}
);
}
return(new GestureDetector(
onTap: this._enabled ? (GestureTapCallback)this._handleTap : null,
behavior: HitTestBehavior.opaque,
child: result
));
}
public override Widget build(BuildContext context)
{
D.assert(material_.debugCheckHasMaterial(context));
D.assert(WidgetsD.debugCheckHasDirectionality(context));
D.assert(
!(widget.style != null && widget.style.inherit == false &&
(widget.style.fontSize == null || widget.style.textBaseline == null)),
() => "inherit false style must supply fontSize and textBaseline"
);
ThemeData themeData = Theme.of(context);
TextStyle style = themeData.textTheme.subtitle1.merge(widget.style);
Brightness keyboardAppearance = widget.keyboardAppearance ?? themeData.primaryColorBrightness;
TextEditingController controller = _effectiveController;
FocusNode focusNode = _effectiveFocusNode;
List <TextInputFormatter> formatters = widget.inputFormatters ?? new List <TextInputFormatter>();
if (widget.maxLength != null && widget.maxLengthEnforced)
{
formatters.Add(new LengthLimitingTextInputFormatter(widget.maxLength));
}
TextSelectionControls textSelectionControls = MaterialUtils.materialTextSelectionControls;
;
bool paintCursorAboveText = false;
bool cursorOpacityAnimates = false;
Offset cursorOffset = null;
Color cursorColor = widget.cursorColor ?? themeData.cursorColor;
Radius cursorRadius = widget.cursorRadius;
_forcePressEnabled = false;
textSelectionControls = _MaterialTextSelectionControls.materialTextSelectionControls;
paintCursorAboveText = false;
cursorOpacityAnimates = false;
cursorColor = cursorColor ?? themeData.cursorColor;
Widget child = new RepaintBoundary(
child: new EditableText(
key: editableTextKey,
readOnly: widget.readOnly,
toolbarOptions: widget.toolbarOptions,
showCursor: widget.showCursor,
showSelectionHandles: _showSelectionHandles,
controller: controller,
focusNode: focusNode,
keyboardType: widget.keyboardType,
textInputAction: widget.textInputAction,
textCapitalization: widget.textCapitalization,
style: style,
strutStyle: widget.strutStyle,
textAlign: widget.textAlign,
textDirection: widget.textDirection,
autofocus: widget.autofocus,
obscureText: widget.obscureText,
autocorrect: widget.autocorrect,
smartDashesType: widget.smartDashesType,
smartQuotesType: widget.smartQuotesType,
enableSuggestions: widget.enableSuggestions,
maxLines: widget.maxLines,
minLines: widget.minLines,
expands: widget.expands,
selectionColor: themeData.textSelectionColor,
selectionControls: widget.selectionEnabled ? textSelectionControls : null,
onChanged: widget.onChanged,
onSelectionChanged: _handleSelectionChanged,
onEditingComplete: widget.onEditingComplete,
onSubmitted: widget.onSubmitted,
onSelectionHandleTapped: _handleSelectionHandleTapped,
inputFormatters: formatters,
rendererIgnoresPointer: true,
cursorWidth: widget.cursorWidth.Value,
cursorRadius: cursorRadius,
cursorColor: cursorColor,
selectionHeightStyle: widget.selectionHeightStyle,
selectionWidthStyle: widget.selectionWidthStyle,
cursorOpacityAnimates: cursorOpacityAnimates,
cursorOffset: cursorOffset,
paintCursorAboveText: paintCursorAboveText,
backgroundCursorColor: CupertinoColors.inactiveGray,
scrollPadding: widget.scrollPadding,
keyboardAppearance: keyboardAppearance,
enableInteractiveSelection: widget.enableInteractiveSelection == true,
dragStartBehavior: widget.dragStartBehavior,
scrollController: widget.scrollController,
scrollPhysics: widget.scrollPhysics
)
);
if (widget.decoration != null)
{
child = new AnimatedBuilder(
animation: ListenableUtils.merge(new List <Listenable> {
focusNode, controller
}),
builder:
(_context, _child) => {
return(new InputDecorator(
decoration: _getEffectiveDecoration(),
baseStyle: widget.style,
textAlign: widget.textAlign,
textAlignVertical: widget.textAlignVertical,
isHovering: _isHovering,
isFocused: focusNode.hasFocus,
isEmpty: controller.value.text.isEmpty(),
expands: widget.expands,
child: _child
));
},
child: child
);
}
void onEnter(PointerEnterEvent pEvent)
{
_handleHover(true);
}
void onExit(PointerExitEvent pEvent)
{
_handleHover(false);
}
return(new IgnorePointer(
ignoring: !_isEnabled,
child: new MouseRegion(
onEnter: onEnter,
onExit: onExit,
child: new AnimatedBuilder(
animation: controller,
builder: (BuildContext buildContext, Widget buildChild) => { return buildChild; },
child: _selectionGestureDetectorBuilder.buildGestureDetector(
behavior: HitTestBehavior.translucent,
child: child
)
)
)
));
}
public override Widget build(BuildContext context)
{
D.assert(MaterialD.debugCheckHasMaterialLocalizations(context));
MaterialLocalizations localizations = MaterialLocalizations.of(context);
_DropdownRoute <T> route = this.widget.route;
float unit = 0.5f / (route.items.Count + 1.5f);
List <Widget> children = new List <Widget>();
for (int itemIndex = 0; itemIndex < route.items.Count; ++itemIndex)
{
CurvedAnimation opacity;
if (itemIndex == route.selectedIndex)
{
opacity = new CurvedAnimation(parent: route.animation, curve: new Threshold(0.0f));
}
else
{
float start = (0.5f + (itemIndex + 1) * unit).clamp(0.0f, 1.0f);
float end = (start + 1.5f * unit).clamp(0.0f, 1.0f);
opacity = new CurvedAnimation(parent: route.animation, curve: new Interval(start, end));
}
var index = itemIndex;
children.Add(new FadeTransition(
opacity: opacity,
child: new InkWell(
child: new Container(
padding: this.widget.padding,
child: route.items[itemIndex]
),
onTap: () => Navigator.pop(
context,
new _DropdownRouteResult <T>(route.items[index].value)
)
)
));
}
return(new FadeTransition(
opacity: this._fadeOpacity,
child: new CustomPaint(
painter: new _DropdownMenuPainter(
color: Theme.of(context).canvasColor,
elevation: route.elevation,
selectedIndex: route.selectedIndex,
resize: this._resize
),
child: new Material(
type: MaterialType.transparency,
textStyle: route.style,
child: new ScrollConfiguration(
behavior: new _DropdownScrollBehavior(),
child: new Scrollbar(
child: new ListView(
controller: this.widget.route.scrollController,
padding: Constants.kMaterialListPadding,
itemExtent: DropdownConstants._kMenuItemHeight,
shrinkWrap: true,
children: children
)
)
)
)
)
));
}
InputDecoration _getEffectiveDecoration()
{
MaterialLocalizations localizations = MaterialLocalizations.of(context);
ThemeData themeData = Theme.of(context);
InputDecoration effectiveDecoration = (widget.decoration ?? new InputDecoration())
.applyDefaults(themeData.inputDecorationTheme)
.copyWith(
enabled: widget.enabled,
hintMaxLines: widget.decoration?.hintMaxLines ?? widget.maxLines
);
if (effectiveDecoration.counter != null || effectiveDecoration.counterText != null)
{
return(effectiveDecoration);
}
Widget counter = null;
int currentLength = _currentLength;
if (effectiveDecoration.counter == null &&
effectiveDecoration.counterText == null &&
widget.buildCounter != null)
{
bool isFocused = _effectiveFocusNode.hasFocus;
Widget builtCounter = widget.buildCounter(
context,
currentLength: currentLength,
maxLength: widget.maxLength,
isFocused: isFocused
);
if (builtCounter != null)
{
counter = builtCounter;
}
return(effectiveDecoration.copyWith(counter: counter));
}
if (widget.maxLength == null)
{
return(effectiveDecoration);
}
string counterText = $"{currentLength}";
if (widget.maxLength > 0)
{
counterText += $"/{widget.maxLength}";
if (_effectiveController.value.text.Length > widget.maxLength)
{
return(effectiveDecoration.copyWith(
errorText: effectiveDecoration.errorText ?? "",
counterStyle: effectiveDecoration.errorStyle
?? themeData.textTheme.caption.copyWith(color: themeData.errorColor),
counterText: counterText
));
}
}
return(effectiveDecoration.copyWith(
counterText: counterText
));
}
public override Widget build(BuildContext context)
{
base.build(context); // See AutomaticKeepAliveClientMixin.
D.assert(MaterialD.debugCheckHasMaterial(context));
D.assert(WidgetsD.debugCheckHasDirectionality(context));
D.assert(
!(this.widget.style != null && this.widget.style.inherit == false &&
(this.widget.style.fontSize == null || this.widget.style.textBaseline == null)),
() => "inherit false style must supply fontSize and textBaseline"
);
ThemeData themeData = Theme.of(context);
TextStyle style = themeData.textTheme.subhead.merge(this.widget.style);
Brightness keyboardAppearance = this.widget.keyboardAppearance ?? themeData.primaryColorBrightness;
TextEditingController controller = this._effectiveController;
FocusNode focusNode = this._effectiveFocusNode;
List <TextInputFormatter> formatters = this.widget.inputFormatters ?? new List <TextInputFormatter>();
if (this.widget.maxLength != null && this.widget.maxLengthEnforced)
{
formatters.Add(new LengthLimitingTextInputFormatter(this.widget.maxLength));
}
// bool forcePressEnabled = false; // TODO: wait for force press is ready
TextSelectionControls textSelectionControls = MaterialUtils.materialTextSelectionControls;;
bool paintCursorAboveText = false;
bool cursorOpacityAnimates = false;
Offset cursorOffset = null;
Color cursorColor = this.widget.cursorColor ?? themeData.cursorColor;
Radius cursorRadius = this.widget.cursorRadius;
Widget child = new RepaintBoundary(
child: new EditableText(
key: this._editableTextKey,
controller: controller,
focusNode: focusNode,
keyboardType: this.widget.keyboardType,
textInputAction: this.widget.textInputAction,
textCapitalization: this.widget.textCapitalization,
style: style,
strutStyle: this.widget.strutStyle,
textAlign: this.widget.textAlign,
textDirection: this.widget.textDirection,
autofocus: this.widget.autofocus,
obscureText: this.widget.obscureText,
autocorrect: this.widget.autocorrect,
maxLines: this.widget.maxLines,
minLines: this.widget.minLines,
expands: this.widget.expands,
selectionColor: themeData.textSelectionColor,
selectionControls: this.widget.selectionEnabled ? textSelectionControls : null,
onChanged: this.widget.onChanged,
onSelectionChanged: this._handleSelectionChanged,
onEditingComplete: this.widget.onEditingComplete,
onSubmitted: this.widget.onSubmitted,
inputFormatters: formatters,
rendererIgnoresPointer: true,
cursorWidth: this.widget.cursorWidth,
cursorRadius: cursorRadius,
cursorColor: cursorColor,
cursorOpacityAnimates: cursorOpacityAnimates,
cursorOffset: cursorOffset,
paintCursorAboveText: paintCursorAboveText,
backgroundCursorColor: new Color(0xFF8E8E93),// TODO: CupertinoColors.inactiveGray,
scrollPadding: this.widget.scrollPadding,
keyboardAppearance: keyboardAppearance,
enableInteractiveSelection: this.widget.enableInteractiveSelection == true,
dragStartBehavior: this.widget.dragStartBehavior,
scrollPhysics: this.widget.scrollPhysics
)
);
if (this.widget.decoration != null)
{
child = new AnimatedBuilder(
animation: ListenableUtils.merge(new List <Listenable> {
focusNode, controller
}),
builder:
(_context, _child) => {
return(new InputDecorator(
decoration: this._getEffectiveDecoration(),
baseStyle: this.widget.style,
textAlign: this.widget.textAlign,
isFocused: focusNode.hasFocus,
isEmpty: controller.value.text.isEmpty(),
expands: this.widget.expands,
child: _child
));
},
child: child
);
}
return(new IgnorePointer(
ignoring: !(this.widget.enabled ?? this.widget.decoration?.enabled ?? true),
child: new TextSelectionGestureDetector(
onTapDown: this._handleTapDown,
// onForcePressStart: forcePressEnabled ? this._handleForcePressStarted : null, // TODO: Remove this when force press is added
onSingleTapUp: this._handleSingleTapUp,
onSingleTapCancel: this._handleSingleTapCancel,
onSingleLongTapStart: this._handleSingleLongTapStart,
onSingleLongTapMoveUpdate: this._handleSingleLongTapMoveUpdate,
onSingleLongTapEnd: this._handleSingleLongTapEnd,
onDoubleTapDown: this._handleDoubleTapDown,
onDragSelectionStart: this._handleMouseDragSelectionStart,
onDragSelectionUpdate: this._handleMouseDragSelectionUpdate,
behavior: HitTestBehavior.translucent,
child: child
)
));
}
public override Widget build(BuildContext context)
{
base.build(context); // See AutomaticKeepAliveClientMixin.
D.assert(MaterialD.debugCheckHasMaterial(context));
D.assert(WidgetsD.debugCheckHasDirectionality(context));
ThemeData themeData = Theme.of(context);
TextStyle style = this.widget.style ?? themeData.textTheme.subhead;
Brightness keyboardAppearance = this.widget.keyboardAppearance ?? themeData.primaryColorBrightness;
TextEditingController controller = this._effectiveController;
FocusNode focusNode = this._effectiveFocusNode;
List <TextInputFormatter> formatters = this.widget.inputFormatters ?? new List <TextInputFormatter>();
if (this.widget.maxLength != null && this.widget.maxLengthEnforced)
{
formatters.Add(new LengthLimitingTextInputFormatter(this.widget.maxLength));
}
Widget child = new RepaintBoundary(
child: new EditableText(
key: this._editableTextKey,
controller: controller,
focusNode: focusNode,
keyboardType: this.widget.keyboardType,
textInputAction: this.widget.textInputAction,
textCapitalization: this.widget.textCapitalization,
style: style,
textAlign: this.widget.textAlign,
textDirection: this.widget.textDirection,
autofocus: this.widget.autofocus,
obscureText: this.widget.obscureText,
autocorrect: this.widget.autocorrect,
maxLines: this.widget.maxLines,
selectionColor: themeData.textSelectionColor,
selectionControls: this.widget.enableInteractiveSelection
? MaterialUtils.materialTextSelectionControls
: null,
onChanged: this.widget.onChanged,
onEditingComplete: this.widget.onEditingComplete,
onSubmitted: this.widget.onSubmitted,
onSelectionChanged: this._handleSelectionChanged,
inputFormatters: formatters,
rendererIgnoresPointer: true,
cursorWidth: this.widget.cursorWidth,
cursorRadius: this.widget.cursorRadius,
cursorColor: this.widget.cursorColor ?? Theme.of(context).cursorColor,
scrollPadding: this.widget.scrollPadding,
keyboardAppearance: keyboardAppearance,
enableInteractiveSelection: this.widget.enableInteractiveSelection
)
);
if (this.widget.decoration != null)
{
child = new AnimatedBuilder(
animation: ListenableUtils.merge(new List <Listenable> {
focusNode, controller
}),
builder:
(_context, _child) => {
return(new InputDecorator(
decoration: this._getEffectiveDecoration(),
baseStyle: this.widget.style,
textAlign: this.widget.textAlign,
isFocused: focusNode.hasFocus,
isEmpty: controller.value.text.isEmpty(),
child: _child
));
},
child: child
);
}
return(new IgnorePointer(
ignoring: !(this.widget.enabled ?? this.widget.decoration?.enabled ?? true),
child: new TextSelectionGestureDetector(
onTapDown: this._handleTapDown,
onSingleTapUp: this._handleSingleTapUp,
onSingleTapCancel: this._handleSingleTapCancel,
onSingleLongTapStart: this._handleLongPress,
onDragSelectionStart: this._handleDragSelectionStart,
onDragSelectionUpdate: this._handleDragSelectionUpdate,
behavior: HitTestBehavior.translucent,
child: child
)
));
}
public override Widget build(BuildContext context)
{
D.assert(MaterialD.debugCheckHasMaterialLocalizations(context));
ThemeData themeData = Theme.of(context);
AppBarTheme appBarTheme = AppBarTheme.of(context);
ScaffoldState scaffold = Scaffold.of(context, nullOk: true);
ModalRoute parentRoute = ModalRoute.of(context);
bool hasDrawer = scaffold?.hasDrawer ?? false;
bool hasEndDrawer = scaffold?.hasEndDrawer ?? false;
bool canPop = parentRoute?.canPop ?? false;
bool useCloseButton = parentRoute is PageRoute && ((PageRoute)parentRoute).fullscreenDialog;
IconThemeData appBarIconTheme = this.widget.iconTheme
?? appBarTheme.iconTheme
?? themeData.primaryIconTheme;
TextStyle centerStyle = this.widget.textTheme?.title
?? appBarTheme.textTheme?.title
?? themeData.primaryTextTheme.title;
TextStyle sideStyle = this.widget.textTheme?.body1
?? appBarTheme.textTheme?.body1
?? themeData.primaryTextTheme.body1;
if (this.widget.toolbarOpacity != 1.0f)
{
float opacity =
new Interval(0.25f, 1.0f, curve: Curves.fastOutSlowIn).transform(this.widget.toolbarOpacity);
if (centerStyle?.color != null)
{
centerStyle = centerStyle.copyWith(color: centerStyle.color.withOpacity(opacity));
}
if (sideStyle?.color != null)
{
sideStyle = sideStyle.copyWith(color: sideStyle.color.withOpacity(opacity));
}
appBarIconTheme = appBarIconTheme.copyWith(
opacity: opacity * (appBarIconTheme.opacity ?? 1.0f)
);
}
Widget leading = this.widget.leading;
if (leading == null && this.widget.automaticallyImplyLeading)
{
if (hasDrawer)
{
leading = new IconButton(
icon: new Icon(Icons.menu),
onPressed: this._handleDrawerButton,
tooltip: MaterialLocalizations.of(context).openAppDrawerTooltip);
}
else
{
if (canPop)
{
leading = useCloseButton ? (Widget) new CloseButton() : new BackButton();
}
}
}
if (leading != null)
{
leading = new ConstrainedBox(
constraints: BoxConstraints.tightFor(width: AppBarUtils._kLeadingWidth),
child: leading);
}
Widget title = this.widget.title;
if (title != null)
{
title = new DefaultTextStyle(
style: centerStyle,
softWrap: false,
overflow: TextOverflow.ellipsis,
child: title);
}
Widget actions = null;
if (this.widget.actions != null && this.widget.actions.isNotEmpty())
{
actions = new Row(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.stretch,
children: this.widget.actions);
}
else if (hasEndDrawer)
{
actions = new IconButton(
icon: new Icon(Icons.menu),
onPressed: this._handleDrawerButtonEnd,
tooltip: MaterialLocalizations.of(context).openAppDrawerTooltip);
}
Widget toolbar = new NavigationToolbar(
leading: leading,
middle: title,
trailing: actions,
centerMiddle: this.widget._getEffectiveCenterTitle(themeData).Value,
middleSpacing: this.widget.titleSpacing);
Widget appBar = new ClipRect(
child: new CustomSingleChildLayout(
layoutDelegate: new _ToolbarContainerLayout(),
child: IconTheme.merge(
data: appBarIconTheme,
child: new DefaultTextStyle(
style: sideStyle,
child: toolbar)
)
)
);
if (this.widget.bottom != null)
{
appBar = new Column(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: new List <Widget> {
new Flexible(
child: new ConstrainedBox(
constraints: new BoxConstraints(maxHeight: Constants.kToolbarHeight),
child: appBar
)
),
this.widget.bottomOpacity == 1.0f
? (Widget)this.widget.bottom
: new Opacity(
opacity: new Interval(0.25f, 1.0f, curve: Curves.fastOutSlowIn).transform(this.widget
.bottomOpacity),
child: this.widget.bottom
)
}
);
}
if (this.widget.primary)
{
appBar = new SafeArea(
top: true,
child: appBar);
}
appBar = new Align(
alignment: Alignment.topCenter,
child: appBar);
if (this.widget.flexibleSpace != null)
{
appBar = new Stack(
fit: StackFit.passthrough,
children: new List <Widget> {
this.widget.flexibleSpace,
appBar
}
);
}
Brightness brightness = this.widget.brightness
?? appBarTheme.brightness
?? themeData.primaryColorBrightness;
SystemUiOverlayStyle overlayStyle = brightness == Brightness.dark
? SystemUiOverlayStyle.light
: SystemUiOverlayStyle.dark;
return(new AnnotatedRegion <SystemUiOverlayStyle>(
value: overlayStyle,
child: new Material(
color: this.widget.backgroundColor
?? appBarTheme.color
?? themeData.primaryColor,
elevation: this.widget.elevation
?? appBarTheme.elevation
?? _defaultElevation,
child: appBar
)));
}
public override Widget build(BuildContext context)
{
return(new Icon(_getIconData(Theme.of(context).platform)));
}
