public override Widget build(BuildContext context)
{
ButtonThemeData buttonTheme = ButtonTheme.of(context);
return(new _OutlineButton(
onPressed: onPressed,
onLongPress: onLongPress,
brightness: buttonTheme.getBrightness(this),
textTheme: textTheme,
textColor: buttonTheme.getTextColor(this),
disabledTextColor: buttonTheme.getDisabledTextColor(this),
color: color,
focusColor: buttonTheme.getFocusColor(this),
hoverColor: buttonTheme.getHoverColor(this),
highlightColor: buttonTheme.getHighlightColor(this),
splashColor: buttonTheme.getSplashColor(this),
highlightElevation: buttonTheme.getHighlightElevation(this),
borderSide: borderSide,
disabledBorderColor: disabledBorderColor,
highlightedBorderColor: highlightedBorderColor ?? buttonTheme.colorScheme.primary,
padding: buttonTheme.getPadding(this),
visualDensity: visualDensity,
shape: buttonTheme.getShape(this),
clipBehavior: clipBehavior,
focusNode: focusNode,
child: child
));
}
public override Widget build(BuildContext context)
{
ThemeData theme = Theme.of(context);
ButtonThemeData buttonTheme = ButtonTheme.of(context);
return(new RawMaterialButton(
onPressed: onPressed,
onLongPress: () => onLongPress?.Invoke(),
onHighlightChanged: onHighlightChanged,
fillColor: buttonTheme.getFillColor(this),
textStyle: theme.textTheme.button.copyWith(color: buttonTheme.getTextColor(this)),
focusColor: buttonTheme.getFocusColor(this),
hoverColor: buttonTheme.getHoverColor(this),
highlightColor: buttonTheme.getHighlightColor(this),
splashColor: buttonTheme.getSplashColor(this),
elevation: buttonTheme.getElevation(this),
focusElevation: buttonTheme.getFocusElevation(this),
hoverElevation: buttonTheme.getHoverElevation(this),
highlightElevation: buttonTheme.getHighlightElevation(this),
disabledElevation: buttonTheme.getDisabledElevation(this),
padding: buttonTheme.getPadding(this),
visualDensity: visualDensity ?? theme.visualDensity,
constraints: buttonTheme.getConstraints(this),
shape: buttonTheme.getShape(this),
clipBehavior: clipBehavior ?? Clip.none,
focusNode: focusNode,
autofocus: autofocus ?? false,
materialTapTargetSize: buttonTheme.getMaterialTapTargetSize(this),
animationDuration: buttonTheme.getAnimationDuration(this),
child: child
));
}
void _handleTap()
{
RenderBox itemBox = (RenderBox)this.context.findRenderObject();
Rect itemRect = itemBox.localToGlobal(Offset.zero) & itemBox.size;
EdgeInsets menuMargin = ButtonTheme.of(this.context).alignedDropdown
? DropdownConstants._kAlignedMenuMargin
: DropdownConstants._kUnalignedMenuMargin;
D.assert(this._dropdownRoute == null);
this._dropdownRoute = new _DropdownRoute <T>(
items: this.widget.items,
buttonRect: menuMargin.inflateRect(itemRect),
padding: DropdownConstants._kMenuItemPadding,
selectedIndex: this._selectedIndex ?? 0,
elevation: this.widget.elevation,
theme: Theme.of(this.context, shadowThemeOnly: true),
style: this._textStyle,
barrierLabel: MaterialLocalizations.of(this.context).modalBarrierDismissLabel
);
Navigator.push(this.context, this._dropdownRoute).Then(newValue => {
_DropdownRouteResult <T> value = newValue as _DropdownRouteResult <T>;
this._dropdownRoute = null;
if (!this.mounted || newValue == null)
{
return;
}
if (this.widget.onChanged != null)
{
this.widget.onChanged(value.result);
}
});
}
void _handleTap()
{
RenderBox itemBox = (RenderBox)context.findRenderObject();
Rect itemRect = itemBox.localToGlobal(Offset.zero) & itemBox.size;
TextDirection textDirection = Directionality.of(context);
EdgeInsetsGeometry menuMargin = ButtonTheme.of(context).alignedDropdown
? material_._kAlignedMenuMargin
: material_._kUnalignedMenuMargin;
List <_MenuItem <T> > menuItems = new List <_MenuItem <T> >(new _MenuItem <T> [widget.items.Count]);
for (int index = 0; index < widget.items.Count; index += 1)
{
var pindex = index;
menuItems[pindex] = new _MenuItem <T>(
item: widget.items[pindex],
onLayout: (Size size) => {
if (_dropdownRoute == null)
{
return;
}
_dropdownRoute.itemHeights[pindex] = size.height;
}
);
}
D.assert(_dropdownRoute == null);
_dropdownRoute = new _DropdownRoute <T>(
items: menuItems,
buttonRect: menuMargin.resolve(textDirection).inflateRect(itemRect),
padding: material_._kMenuItemPadding.resolve(textDirection),
selectedIndex: _selectedIndex ?? 0,
elevation: widget.elevation,
theme: Theme.of(context, shadowThemeOnly: true),
style: _textStyle,
barrierLabel: MaterialLocalizations.of(context).modalBarrierDismissLabel,
itemHeight: widget.itemHeight,
dropdownColor: widget.dropdownColor
);
Navigator.push <T>(context, _dropdownRoute).then(newValue => {
_DropdownRouteResult <T> value = newValue as _DropdownRouteResult <T>;
_removeDropdownRoute();
if (!mounted || newValue == null)
{
return;
}
if (widget.onChanged != null)
{
widget.onChanged(value.result);
}
});
if (widget.onTap != null)
{
widget.onTap();
}
}
public override Widget build(BuildContext context)
{
ButtonThemeData parentButtonTheme = ButtonTheme.of(context);
ButtonBarThemeData barTheme = ButtonBarTheme.of(context);
ButtonThemeData buttonTheme = parentButtonTheme.copyWith(
textTheme: buttonTextTheme ?? barTheme?.buttonTextTheme ?? ButtonTextTheme.primary,
minWidth: buttonMinWidth ?? barTheme?.buttonMinWidth ?? 64.0f,
height: buttonHeight ?? barTheme?.buttonHeight ?? 36.0f,
padding: buttonPadding ?? barTheme?.buttonPadding ?? EdgeInsets.symmetric(horizontal: 8.0f),
alignedDropdown: buttonAlignedDropdown ?? barTheme?.buttonAlignedDropdown ?? false,
layoutBehavior: layoutBehavior ?? barTheme?.layoutBehavior ?? ButtonBarLayoutBehavior.padded
);
float paddingUnit = buttonTheme.padding.horizontal / 4.0f;
Widget child = ButtonTheme.fromButtonThemeData(
data: buttonTheme,
child: new _ButtonBarRow(
mainAxisAlignment: alignment ?? barTheme?.alignment ?? MainAxisAlignment.end,
mainAxisSize: mainAxisSize ?? barTheme?.mainAxisSize ?? MainAxisSize.max,
overflowDirection: overflowDirection ?? barTheme?.overflowDirection ?? VerticalDirection.down,
children: LinqUtils <Widget> .SelectList(children, ((Widget childWidget) => {
return((Widget) new Padding(
padding: EdgeInsets.symmetric(horizontal: paddingUnit),
child: childWidget
));
})),
overflowButtonSpacing: overflowButtonSpacing
)
);
switch (buttonTheme.layoutBehavior)
{
case ButtonBarLayoutBehavior.padded:
return(new Padding(
padding: EdgeInsets.symmetric(
vertical: 2.0f * paddingUnit,
horizontal: paddingUnit
),
child: child
));
case ButtonBarLayoutBehavior.constrained:
return(new Container(
padding: EdgeInsets.symmetric(horizontal: paddingUnit),
constraints: new BoxConstraints(minHeight: 52.0f),
alignment: Alignment.center,
child: child
));
}
D.assert(false);
return(null);
}
public override Widget build(BuildContext context)
{
ButtonThemeData buttonTheme = ButtonTheme.of(context);
double paddingUnit = buttonTheme.padding.horizontal / 4.0;
List <Widget> _children = new List <Widget>();
foreach (Widget _child in this.children)
{
_children.Add(
new Padding(
padding: EdgeInsets.symmetric(horizontal: paddingUnit),
child: _child
)
);
}
Widget child = new Row(
mainAxisAlignment: this.alignment,
mainAxisSize: this.mainAxisSize,
children: _children
);
switch (buttonTheme.layoutBehavior)
{
case ButtonBarLayoutBehavior.padded:
return(new Padding(
padding: EdgeInsets.symmetric(
vertical: 2.0 * paddingUnit,
horizontal: paddingUnit
),
child: child
));
case ButtonBarLayoutBehavior.constrained:
return(new Container(
padding: EdgeInsets.symmetric(horizontal: paddingUnit),
constraints: new BoxConstraints(minHeight: 52.0),
alignment: Alignment.center,
child: child
));
}
D.assert(false);
return(null);
}
public override Widget build(BuildContext context)
{
ButtonThemeData buttonTheme = ButtonTheme.of(context);
return(new _OutlineButton(
onPressed: this.onPressed,
brightness: buttonTheme.getBrightness(this),
textTheme: this.textTheme,
textColor: buttonTheme.getTextColor(this),
disabledTextColor: buttonTheme.getDisabledTextColor(this),
color: this.color,
highlightColor: buttonTheme.getHighlightColor(this),
splashColor: buttonTheme.getSplashColor(this),
highlightElevation: buttonTheme.getHighlightElevation(this),
borderSide: this.borderSide,
disabledBorderColor: this.disabledBorderColor,
highlightedBorderColor: this.highlightedBorderColor ?? buttonTheme.colorScheme.primary,
padding: buttonTheme.getPadding(this),
shape: buttonTheme.getShape(this),
clipBehavior: this.clipBehavior,
child: this.child
));
}
public override Widget build(BuildContext context)
{
ThemeData theme = Theme.of(context);
ButtonThemeData buttonTheme = ButtonTheme.of(context);
return(new RawMaterialButton(
onPressed: this.onPressed,
fillColor: this.color,
textStyle: theme.textTheme.button.copyWith(color: buttonTheme.getTextColor(this)),
highlightColor: this.highlightColor ?? theme.highlightColor,
splashColor: this.splashColor ?? theme.splashColor,
elevation: buttonTheme.getElevation(this),
highlightElevation: buttonTheme.getHighlightElevation(this),
padding: buttonTheme.getPadding(this),
constraints: buttonTheme.getConstraints(this).copyWith(
minWidth: this.minWidth,
minHeight: this.height),
shape: buttonTheme.shape,
clipBehavior: this.clipBehavior ?? Clip.none,
animationDuration: buttonTheme.getAnimationDuration(this),
child: this.child,
materialTapTargetSize: this.materialTapTargetSize ?? theme.materialTapTargetSize));
}
public override Widget build(BuildContext context)
{
ThemeData theme = Theme.of(context);
ButtonThemeData buttonTheme = ButtonTheme.of(context);
return(new RawMaterialButton(
onPressed: this.onPressed,
onHighlightChanged: this.onHighlightChanged,
clipBehavior: this.clipBehavior ?? Clip.none,
fillColor: buttonTheme.getFillColor(this),
textStyle: theme.textTheme.button.copyWith(color: buttonTheme.getTextColor(this)),
highlightColor: buttonTheme.getHighlightColor(this),
splashColor: buttonTheme.getSplashColor(this),
elevation: buttonTheme.getElevation(this),
highlightElevation: buttonTheme.getHighlightElevation(this),
disabledElevation: buttonTheme.getDisabledElevation(this),
padding: buttonTheme.getPadding(this),
constraints: buttonTheme.getConstraints(this),
shape: buttonTheme.getShape(this),
animationDuration: buttonTheme.getAnimationDuration(this),
materialTapTargetSize: buttonTheme.getMaterialTapTargetSize(this),
child: this.child
));
}
public override Widget build(BuildContext context)
{
D.assert(material_.debugCheckHasMaterial(context));
D.assert(material_.debugCheckHasMaterialLocalizations(context));
Orientation?newOrientation = _getOrientation(context);
_lastOrientation = _lastOrientation ?? newOrientation;
if (newOrientation != _lastOrientation)
{
_removeDropdownRoute();
_lastOrientation = newOrientation;
}
List <Widget> items = null;
if (_enabled)
{
items = widget.selectedItemBuilder == null
? new List <Widget>(widget.items)
: widget.selectedItemBuilder(context);
}
else
{
items = widget.selectedItemBuilder == null
? new List <Widget>()
: widget.selectedItemBuilder(context);
}
int hintIndex = 0;
if (widget.hint != null || (!_enabled && widget.disabledHint != null))
{
Widget displayedHint = _enabled ? widget.hint : widget.disabledHint ?? widget.hint;
if (widget.selectedItemBuilder == null)
{
displayedHint = new _DropdownMenuItemContainer(child: displayedHint);
}
hintIndex = items.Count;
items.Add(new DefaultTextStyle(
style: _textStyle.copyWith(color: Theme.of(context).hintColor),
child: new IgnorePointer(
child: displayedHint
)
));
}
EdgeInsetsGeometry padding = ButtonTheme.of(context).alignedDropdown
? material_._kAlignedButtonPadding
: material_._kUnalignedButtonPadding;
int index = _enabled ? (_selectedIndex ?? hintIndex) : hintIndex;
Widget innerItemsWidget = null;
if (items.isEmpty())
{
innerItemsWidget = new Container();
}
else
{
innerItemsWidget = new IndexedStack(
index: index,
alignment: AlignmentDirectional.centerStart,
children: widget.isDense
? items
: LinqUtils <Widget> .SelectList(items, (Widget item) => {
return(widget.itemHeight != null
? new SizedBox(height: widget.itemHeight, child: item)
: (Widget) new Column(mainAxisSize: MainAxisSize.min,
children: new List <Widget>()
{
item
}));
}));
}
Icon defaultIcon = new Icon(Icons.arrow_drop_down);
Widget result = new DefaultTextStyle(
style: _textStyle,
child: new Container(
decoration: _showHighlight ?? false
? new BoxDecoration(
color: widget.focusColor ?? Theme.of(context).focusColor,
borderRadius: BorderRadius.all(Radius.circular(4.0f))
)
: null,
padding: padding,
height: widget.isDense ? _denseButtonHeight : null,
child: new Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
mainAxisSize: MainAxisSize.min,
children: new List <Widget> {
widget.isExpanded ? new Expanded(child: innerItemsWidget) : (Widget)innerItemsWidget,
new IconTheme(
data: new IconThemeData(
color: _iconColor,
size: widget.iconSize
),
child: widget.icon ?? defaultIcon
)
}
)
)
);
if (!DropdownButtonHideUnderline.at(context))
{
float bottom = widget.isDense || widget.itemHeight == null ? 0.0f : 8.0f;
result = new Stack(
children: new List <Widget> {
result,
new Positioned(
left: 0.0f,
right: 0.0f,
bottom: bottom,
child: widget.underline ?? new Container(
height: 1.0f,
decoration: new BoxDecoration(
border: new Border(
bottom: new BorderSide(color: new Color(0xFFBDBDBD), width: 0.0f))
)
)
)
}
);
}
return(new Focus(
canRequestFocus: _enabled,
focusNode: focusNode,
autofocus: widget.autofocus,
child: new GestureDetector(
onTap: _enabled ? (GestureTapCallback)_handleTap : null,
behavior: HitTestBehavior.opaque,
child: result
)
));
}
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
));
}