public TextSelectionOverlay(TextEditingValue value = null,
BuildContext context = null, Widget debugRequiredFor = null,
LayerLink layerLink = null,
RenderEditable renderObject = null,
TextSelectionControls selectionControls = null,
TextSelectionDelegate selectionDelegate = null,
DragStartBehavior dragStartBehavior = DragStartBehavior.start)
{
D.assert(value != null);
D.assert(context != null);
this.context = context;
this.debugRequiredFor = debugRequiredFor;
this.layerLink = layerLink;
this.renderObject = renderObject;
this.selectionControls = selectionControls;
this.selectionDelegate = selectionDelegate;
this._value = value;
OverlayState overlay = Overlay.of(context);
D.assert(overlay != null, () => $"No Overlay widget exists above {context}.\n" +
"Usually the Navigator created by WidgetsApp provides the overlay. Perhaps your " +
"app content was created above the Navigator with the WidgetsApp builder parameter.");
this._toolbarController = new AnimationController(duration: fadeDuration, vsync: overlay);
this.dragStartBehavior = dragStartBehavior;
}
public static PageView custom(
Key key = null,
Axis scrollDirection = Axis.horizontal,
bool reverse = false,
PageController controller = null,
ScrollPhysics physics = null,
bool pageSnapping = true,
ValueChanged <int> onPageChanged = null,
SliverChildDelegate childrenDelegate = null,
DragStartBehavior dragStartBehavior = DragStartBehavior.start,
bool allowImplicitScrolling = false
)
{
D.assert(childrenDelegate != null);
var page = new PageView(
key: key,
scrollDirection: scrollDirection,
reverse: reverse,
controller: controller ?? PageViewUtils._defaultPageController,
physics: physics,
pageSnapping: pageSnapping,
onPageChanged: onPageChanged,
allowImplicitScrolling: allowImplicitScrolling,
dragStartBehavior: dragStartBehavior
);
page.childrenDelegate = childrenDelegate;
return(page);
}
public ListView(
Key key = null,
Axis scrollDirection = Axis.vertical,
bool reverse = false,
ScrollController controller = null,
bool?primary = null,
ScrollPhysics physics = null,
bool shrinkWrap = false,
EdgeInsets padding = null,
float?itemExtent = null,
bool addAutomaticKeepAlives = true,
bool addRepaintBoundaries = true,
float?cacheExtent = null,
List <Widget> children = null,
DragStartBehavior dragStartBehavior = DragStartBehavior.start
) : base(
key: key,
scrollDirection: scrollDirection,
reverse: reverse,
controller: controller,
primary: primary,
physics: physics,
shrinkWrap: shrinkWrap,
padding: padding,
cacheExtent: cacheExtent,
dragStartBehavior: dragStartBehavior
)
{
this.itemExtent = itemExtent;
this.childrenDelegate = new SliverChildListDelegate(
children,
addAutomaticKeepAlives: addAutomaticKeepAlives,
addRepaintBoundaries: addRepaintBoundaries
);
}
protected ScrollView(
Key key = null,
Axis scrollDirection = Axis.vertical,
bool reverse = false,
ScrollController controller = null,
bool?primary = null,
ScrollPhysics physics = null,
bool shrinkWrap = false,
Key center = null,
float anchor = 0.0f,
float?cacheExtent = null,
DragStartBehavior dragStartBehavior = DragStartBehavior.start
) : base(key: key)
{
D.assert(!(controller != null && primary == true),
() => "Primary ScrollViews obtain their ScrollController via inheritance from a PrimaryScrollController widget. " +
"You cannot both set primary to true and pass an explicit controller.");
D.assert(!shrinkWrap || center == null);
D.assert(anchor >= 0.0f && anchor <= 1.0f);
primary = primary ?? controller == null && scrollDirection == Axis.vertical;
physics = physics ?? (primary.Value ? new AlwaysScrollableScrollPhysics() : null);
this.scrollDirection = scrollDirection;
this.reverse = reverse;
this.controller = controller;
this.primary = primary.Value;
this.physics = physics;
this.shrinkWrap = shrinkWrap;
this.center = center;
this.anchor = anchor;
this.cacheExtent = cacheExtent;
this.dragStartBehavior = dragStartBehavior;
}
public CustomScrollView(
Key key = null,
Axis scrollDirection = Axis.vertical,
bool reverse = false,
ScrollController controller = null,
bool?primary = null,
ScrollPhysics physics = null,
bool shrinkWrap = false,
Key center = null,
float anchor = 0.0f,
float?cacheExtent = null,
List <Widget> slivers = null,
DragStartBehavior dragStartBehavior = DragStartBehavior.start
) : base(
key: key,
scrollDirection: scrollDirection,
reverse: reverse,
controller: controller,
primary: primary,
physics: physics,
shrinkWrap: shrinkWrap,
center: center,
anchor: anchor,
cacheExtent: cacheExtent,
dragStartBehavior: dragStartBehavior
)
{
this.slivers = slivers ?? new List <Widget>();
}
public BoxScrollView(
Key key = null,
Axis scrollDirection = Axis.vertical,
bool reverse = false,
ScrollController controller = null,
bool?primary = null,
ScrollPhysics physics = null,
bool shrinkWrap = false,
EdgeInsets padding = null,
float?cacheExtent = null,
DragStartBehavior dragStartBehavior = DragStartBehavior.start
) : base(
key: key,
scrollDirection: scrollDirection,
reverse: reverse,
controller: controller,
primary: primary,
physics: physics,
shrinkWrap: shrinkWrap,
cacheExtent: cacheExtent,
dragStartBehavior: dragStartBehavior
)
{
this.padding = padding;
}
public static PageView builder(
Key key = null,
Axis scrollDirection = Axis.horizontal,
bool reverse = false,
PageController controller = null,
ScrollPhysics physics = null,
bool pageSnapping = true,
ValueChanged <int> onPageChanged = null,
IndexedWidgetBuilder itemBuilder = null,
int itemCount = 0,
DragStartBehavior dragStartBehavior = DragStartBehavior.start,
bool allowImplicitScrolling = false
)
{
var page = new PageView(
key: key,
scrollDirection: scrollDirection,
reverse: reverse,
controller: controller ?? PageViewUtils._defaultPageController,
physics: physics,
pageSnapping: pageSnapping,
onPageChanged: onPageChanged,
allowImplicitScrolling: allowImplicitScrolling,
dragStartBehavior: dragStartBehavior
);
page.childrenDelegate = new SliverChildBuilderDelegate(itemBuilder, childCount: itemCount);
return(page);
}
public static GridView custom(
Key key = null,
Axis scrollDirection = Axis.vertical,
bool reverse = false,
ScrollController controller = null,
bool?primary = null,
ScrollPhysics physics = null,
bool shrinkWrap = false,
EdgeInsets padding = null,
SliverGridDelegate gridDelegate = null,
SliverChildDelegate childrenDelegate = null,
float?cacheExtent = null,
DragStartBehavior dragStartBehavior = DragStartBehavior.start
)
{
return(new GridView(
key: key,
scrollDirection: scrollDirection,
reverse: reverse,
controller: controller,
primary: primary,
physics: physics,
shrinkWrap: shrinkWrap,
padding: padding,
gridDelegate: gridDelegate,
childrenDelegate: childrenDelegate,
cacheExtent: cacheExtent,
dragStartBehavior: dragStartBehavior
));
}
public PageView(
Key key = null,
Axis scrollDirection = Axis.horizontal,
bool reverse = false,
PageController controller = null,
ScrollPhysics physics = null,
bool pageSnapping = true,
ValueChanged <int> onPageChanged = null,
List <Widget> children = null,
DragStartBehavior dragStartBehavior = DragStartBehavior.start,
IndexedWidgetBuilder itemBuilder = null,
SliverChildDelegate childDelegate = null,
int itemCount = 0
) : base(key: key)
{
this.scrollDirection = scrollDirection;
this.reverse = reverse;
this.physics = physics;
this.pageSnapping = pageSnapping;
this.onPageChanged = onPageChanged;
this.dragStartBehavior = dragStartBehavior;
this.controller = controller ?? PageViewUtils._defaultPageController;
if (itemBuilder != null)
{
this.childrenDelegate = new SliverChildBuilderDelegate(itemBuilder, childCount: itemCount);
}
else if (childDelegate != null)
{
this.childrenDelegate = childDelegate;
}
else
{
this.childrenDelegate = new SliverChildListDelegate(children ?? new List <Widget>());
}
}
public Dismissible(
Key key = null,
Widget child = null,
Widget background = null,
Widget secondaryBackground = null,
ConfirmDismissCallback confirmDismiss = null,
VoidCallback onResize = null,
DismissDirectionCallback onDismissed = null,
DismissDirection direction = DismissDirection.horizontal,
TimeSpan?resizeDuration = null,
Dictionary <DismissDirection?, float?> dismissThresholds = null,
TimeSpan?movementDuration = null,
float crossAxisEndOffset = 0.0f,
DragStartBehavior dragStartBehavior = DragStartBehavior.down
) : base(key: key)
{
D.assert(key != null);
D.assert(secondaryBackground != null ? background != null : true);
this.resizeDuration = resizeDuration ?? new TimeSpan(0, 0, 0, 0, 300);
this.dismissThresholds = dismissThresholds ?? new Dictionary <DismissDirection?, float?>();
this.movementDuration = movementDuration ?? new TimeSpan(0, 0, 0, 0, 200);
this.child = child;
this.background = background;
this.secondaryBackground = secondaryBackground;
this.confirmDismiss = confirmDismiss;
this.onResize = onResize;
this.onDismissed = onDismissed;
this.direction = direction;
this.crossAxisEndOffset = crossAxisEndOffset;
this.dragStartBehavior = dragStartBehavior;
}
public static PageView builder(
IndexedWidgetBuilder itemBuilder,
Key key = null,
Axis scrollDirection = Axis.horizontal,
bool reverse = false,
PageController controller = null,
ScrollPhysics physics = null,
bool pageSnapping = true,
ValueChanged <int> onPageChanged = null,
int itemCount = 0,
DragStartBehavior dragStartBehavior = DragStartBehavior.start
)
{
return(new PageView(
itemBuilder: itemBuilder,
key: key,
scrollDirection: scrollDirection,
reverse: reverse,
controller: controller,
physics: physics,
pageSnapping: pageSnapping,
onPageChanged: onPageChanged,
itemCount: itemCount,
dragStartBehavior: dragStartBehavior
));
}
public SingleChildScrollView(
Key key = null,
Axis scrollDirection = Axis.vertical,
bool reverse = false,
EdgeInsets padding = null,
bool?primary = null,
ScrollPhysics physics = null,
ScrollController controller = null,
Widget child = null,
DragStartBehavior dragStartBehavior = DragStartBehavior.start
) : base(key: key)
{
D.assert(!(controller != null && primary == true),
() =>
"Primary ScrollViews obtain their ScrollController via inheritance from a PrimaryScrollController widget. " +
"You cannot both set primary to true and pass an explicit controller.");
this.scrollDirection = scrollDirection;
this.reverse = reverse;
this.padding = padding;
this.primary = primary ?? controller == null && scrollDirection == Axis.vertical;
this.physics = physics;
this.controller = controller;
this.child = child;
this.dragStartBehavior = dragStartBehavior;
}
public GridView(
Key key = null,
Axis scrollDirection = Axis.vertical,
bool reverse = false,
ScrollController controller = null,
bool?primary = null,
ScrollPhysics physics = null,
bool shrinkWrap = false,
EdgeInsets padding = null,
SliverGridDelegate gridDelegate = null,
SliverChildDelegate childrenDelegate = null,
float?cacheExtent = null,
DragStartBehavior dragStartBehavior = DragStartBehavior.start
) : base(
key: key,
scrollDirection: scrollDirection,
reverse: reverse,
controller: controller,
primary: primary,
physics: physics,
shrinkWrap: shrinkWrap,
padding: padding,
cacheExtent: cacheExtent,
dragStartBehavior: dragStartBehavior
)
{
D.assert(gridDelegate != null);
D.assert(childrenDelegate != null);
this.gridDelegate = gridDelegate;
this.childrenDelegate = childrenDelegate;
}
public Switch(
Key key = null,
bool?value = null,
ValueChanged <bool?> onChanged = null,
Color activeColor = null,
Color activeTrackColor = null,
Color inactiveThumbColor = null,
Color inactiveTrackColor = null,
ImageProvider activeThumbImage = null,
ImageProvider inactiveThumbImage = null,
MaterialTapTargetSize?materialTapTargetSize = null,
DragStartBehavior dragStartBehavior = DragStartBehavior.start
) : this(
key : key,
value : value,
onChanged : onChanged,
activeColor : activeColor,
activeTrackColor : activeTrackColor,
inactiveThumbColor : inactiveThumbColor,
inactiveTrackColor : inactiveTrackColor,
activeThumbImage : activeThumbImage,
inactiveThumbImage : inactiveThumbImage,
materialTapTargetSize : materialTapTargetSize,
switchType : _SwitchType.material,
dragStartBehavior : dragStartBehavior
)
{
}
Switch(
Key key = null,
bool?value = null,
ValueChanged <bool?> onChanged = null,
Color activeColor = null,
Color activeTrackColor = null,
Color inactiveThumbColor = null,
Color inactiveTrackColor = null,
ImageProvider activeThumbImage = null,
ImageProvider inactiveThumbImage = null,
MaterialTapTargetSize?materialTapTargetSize = null,
_SwitchType switchType = _SwitchType.material,
DragStartBehavior dragStartBehavior = DragStartBehavior.start
) : base(key : key)
{
D.assert(value != null);
this.value = value.Value;
D.assert(onChanged != null);
this.onChanged = onChanged;
this.activeColor = activeColor;
this.activeTrackColor = activeTrackColor;
this.inactiveThumbColor = inactiveThumbColor;
this.inactiveTrackColor = inactiveTrackColor;
this.activeThumbImage = activeThumbImage;
this.inactiveThumbImage = inactiveThumbImage;
this.materialTapTargetSize = materialTapTargetSize;
this._switchType = switchType;
this.dragStartBehavior = dragStartBehavior;
}
public static Switch adaptive(
Key key = null,
bool?value = null,
ValueChanged <bool?> onChanged = null,
Color activeColor = null,
Color activeTrackColor = null,
Color inactiveThumbColor = null,
Color inactiveTrackColor = null,
ImageProvider activeThumbImage = null,
ImageProvider inactiveThumbImage = null,
MaterialTapTargetSize?materialTapTargetSize = null,
DragStartBehavior dragStartBehavior = DragStartBehavior.down
)
{
return(new Switch(key: key,
value: value,
onChanged: onChanged,
activeColor: activeColor,
activeTrackColor: activeTrackColor,
inactiveThumbColor: inactiveThumbColor,
inactiveTrackColor: inactiveTrackColor,
activeThumbImage: activeThumbImage,
inactiveThumbImage: inactiveThumbImage,
materialTapTargetSize: materialTapTargetSize,
switchType: _SwitchType.adaptive
));
}
SelectableText(
string data,
TextSpan textSpan,
Key key = null,
FocusNode focusNode = null,
TextStyle style = null,
StrutStyle strutStyle = null,
TextAlign?textAlign = null,
TextDirection?textDirection = null,
float?textScaleFactor = null,
bool showCursor = false,
bool autofocus = false,
ToolbarOptions toolbarOptions = null,
int?minLines = null,
int?maxLines = null,
float cursorWidth = 2.0f,
Radius cursorRadius = null,
Color cursorColor = null,
DragStartBehavior dragStartBehavior = DragStartBehavior.start,
bool enableInteractiveSelection = true,
GestureTapCallback onTap = null,
ScrollPhysics scrollPhysics = null,
TextWidthBasis?textWidthBasis = null
) : base(key: key)
{
D.assert(maxLines == null || maxLines > 0);
D.assert(minLines == null || minLines > 0);
D.assert(
(maxLines == null) || (minLines == null) || (maxLines >= minLines),
() => "minLines can\'t be greater than maxLines"
);
toolbarOptions = toolbarOptions ??
new ToolbarOptions(
selectAll: true,
copy: true
);
this.data = data;
this.textSpan = textSpan;
this.focusNode = focusNode;
this.style = style;
this.strutStyle = strutStyle;
this.textAlign = textAlign;
this.textDirection = textDirection;
this.textScaleFactor = textScaleFactor;
this.showCursor = showCursor;
this.autofocus = autofocus;
this.toolbarOptions = toolbarOptions;
this.minLines = minLines;
this.maxLines = maxLines;
this.cursorWidth = cursorWidth;
this.cursorRadius = cursorRadius;
this.cursorColor = cursorColor;
this.dragStartBehavior = dragStartBehavior;
this.enableInteractiveSelection = enableInteractiveSelection;
this.onTap = onTap;
this.scrollPhysics = scrollPhysics;
this.textWidthBasis = textWidthBasis;
}
public DragGestureRecognizer(
object debugOwner = null,
PointerDeviceKind?kind = null,
DragStartBehavior dragStartBehavior = DragStartBehavior.down)
: base(debugOwner: debugOwner, kind: kind)
{
this.dragStartBehavior = dragStartBehavior;
}
public _RenderCupertinoSwitch(
bool value,
Color activeColor,
TextDirection textDirection,
TickerProvider vsync,
ValueChanged <bool> onChanged = null,
DragStartBehavior dragStartBehavior = DragStartBehavior.start
) : base(additionalConstraints: BoxConstraints.tightFor(
width: CupertinoSwitchUtils._kSwitchWidth,
height: CupertinoSwitchUtils._kSwitchHeight)
)
{
D.assert(activeColor != null);
D.assert(vsync != null);
this._value = value;
this._activeColor = activeColor;
this._onChanged = onChanged;
this._textDirection = textDirection;
this._vsync = vsync;
this._tap = new TapGestureRecognizer()
{
onTapDown = this._handleTapDown,
onTap = this._handleTap,
onTapUp = this._handleTapUp,
onTapCancel = this._handleTapCancel,
};
this._drag = new HorizontalDragGestureRecognizer()
{
onStart = this._handleDragStart,
onUpdate = this._handleDragUpdate,
onEnd = this._handleDragEnd,
dragStartBehavior = dragStartBehavior
};
this._positionController = new AnimationController(
duration: CupertinoSwitchUtils._kToggleDuration,
value: value ? 1.0f : 0.0f,
vsync: vsync
);
this._position = new CurvedAnimation(
parent: this._positionController,
curve: Curves.linear
);
this._position.addListener(this.markNeedsPaint);
this._position.addStatusListener(this._handlePositionStateChanged);
this._reactionController = new AnimationController(
duration: CupertinoSwitchUtils._kReactionDuration,
vsync: vsync
);
this._reaction = new CurvedAnimation(
parent: this._reactionController,
curve: Curves.ease
);
this._reaction.addListener(this.markNeedsPaint);
}
public static SelectableText rich(
TextSpan textSpan,
Key key = null,
FocusNode focusNode = null,
TextStyle style = null,
StrutStyle strutStyle = null,
TextAlign?textAlign = null,
TextDirection?textDirection = null,
float?textScaleFactor = null,
bool showCursor = false,
bool autofocus = false,
ToolbarOptions toolbarOptions = null,
int?minLines = null,
int?maxLines = null,
float cursorWidth = 2.0f,
Radius cursorRadius = null,
Color cursorColor = null,
DragStartBehavior dragStartBehavior = DragStartBehavior.start,
bool enableInteractiveSelection = true,
GestureTapCallback onTap = null,
ScrollPhysics scrollPhysics = null,
TextWidthBasis?textWidthBasis = null
)
{
D.assert(
textSpan != null,
() => "A non-null TextSpan must be provided to a SelectableText.rich widget."
);
return(new SelectableText(
data: null,
textSpan: textSpan,
key: key,
focusNode: focusNode,
style: style,
strutStyle: strutStyle,
textAlign: textAlign,
textDirection: textDirection,
textScaleFactor: textScaleFactor,
showCursor: showCursor,
autofocus: autofocus,
toolbarOptions: toolbarOptions,
minLines: minLines,
maxLines: maxLines,
cursorWidth: cursorWidth,
cursorRadius: cursorRadius,
cursorColor: cursorColor,
dragStartBehavior: dragStartBehavior,
enableInteractiveSelection: enableInteractiveSelection,
onTap: onTap,
scrollPhysics: scrollPhysics,
textWidthBasis: textWidthBasis
));
}
public PaginatedDataTable(
Key key = null,
Widget header = null,
List <Widget> actions = null,
List <DataColumn> columns = null,
int?sortColumnIndex = null,
bool sortAscending = false,
ValueSetter <bool> onSelectAll = null,
float dataRowHeight = material_.kMinInteractiveDimension,
float headingRowHeight = 56.0f,
float horizontalMargin = 24.0f,
float columnSpacing = 56.0f,
bool showCheckboxColumn = true,
int?initialFirstRowIndex = 0,
ValueChanged <int> onPageChanged = null,
int rowsPerPage = defaultRowsPerPage,
List <int> availableRowsPerPage = null,
ValueChanged <int> onRowsPerPageChanged = null,
DragStartBehavior dragStartBehavior = DragStartBehavior.start,
DataTableSource source = null
) : base(key: key)
{
availableRowsPerPage = availableRowsPerPage ?? new List <int> {
defaultRowsPerPage, defaultRowsPerPage * 2, defaultRowsPerPage * 5, defaultRowsPerPage * 10
};
D.assert(columns.isNotEmpty);
D.assert(() => {
if (onRowsPerPageChanged != null)
{
D.assert(availableRowsPerPage != null && availableRowsPerPage.Contains(rowsPerPage));
}
return(true);
});
D.assert(source != null);
this.header = header;
this.actions = actions;
this.columns = columns;
this.sortColumnIndex = sortColumnIndex;
this.sortAscending = sortAscending;
this.onSelectAll = onSelectAll;
this.dataRowHeight = dataRowHeight;
this.headingRowHeight = headingRowHeight;
this.horizontalMargin = horizontalMargin;
this.columnSpacing = columnSpacing;
this.showCheckboxColumn = showCheckboxColumn;
this.initialFirstRowIndex = initialFirstRowIndex;
this.onPageChanged = onPageChanged;
this.rowsPerPage = rowsPerPage;
this.availableRowsPerPage = availableRowsPerPage;
this.onRowsPerPageChanged = onRowsPerPageChanged;
this.dragStartBehavior = dragStartBehavior;
this.source = source;
}
public CupertinoSwitch(
bool value,
ValueChanged <bool> onChanged,
Key key = null,
Color activeColor = null,
DragStartBehavior dragStartBehavior = DragStartBehavior.start
) : base(key: key)
{
this.value = value;
this.onChanged = onChanged;
this.activeColor = activeColor;
this.dragStartBehavior = dragStartBehavior;
}
public TextField(Key key = null, TextEditingController controller = null, FocusNode focusNode = null,
InputDecoration decoration = null, bool noDecoration = false, TextInputType keyboardType = null,
TextInputAction?textInputAction = null,
TextCapitalization textCapitalization = TextCapitalization.none, TextStyle style = null,
TextAlign textAlign = TextAlign.left, TextDirection textDirection = TextDirection.ltr,
bool autofocus = false, bool obscureText = false, bool autocorrect = false, int?maxLines = 1,
int?maxLength = null, bool maxLengthEnforced = true, ValueChanged <string> onChanged = null,
VoidCallback onEditingComplete = null,
ValueChanged <string> onSubmitted = null, List <TextInputFormatter> inputFormatters = null,
bool?enabled = null, float?cursorWidth = 2.0f, Radius cursorRadius = null, Color cursorColor = null,
Brightness?keyboardAppearance = null, EdgeInsets scrollPadding = null,
DragStartBehavior dragStartBehavior = DragStartBehavior.down,
bool?enableInteractiveSelection = null,
GestureTapCallback onTap = null,
InputCounterWidgetBuilder buildCounter = null
) : base(key: key)
{
D.assert(maxLines == null || maxLines > 0);
D.assert(maxLength == null || maxLength == TextField.noMaxLength || maxLength > 0);
this.controller = controller;
this.focusNode = focusNode;
this.decoration = noDecoration ? null : (decoration ?? new InputDecoration());
this.textInputAction = textInputAction;
this.textCapitalization = textCapitalization;
this.style = style;
this.textAlign = textAlign;
this.textDirection = textDirection;
this.autofocus = autofocus;
this.obscureText = obscureText;
this.autocorrect = autocorrect;
this.maxLines = maxLines;
this.maxLength = maxLength;
this.maxLengthEnforced = maxLengthEnforced;
this.onChanged = onChanged;
this.onEditingComplete = onEditingComplete;
this.onSubmitted = onSubmitted;
this.inputFormatters = inputFormatters;
this.enabled = enabled;
this.cursorWidth = cursorWidth;
this.cursorColor = cursorColor;
this.cursorRadius = cursorRadius;
this.onSubmitted = onSubmitted;
this.keyboardAppearance = keyboardAppearance;
this.enableInteractiveSelection = enableInteractiveSelection;
this.onTap = onTap;
this.keyboardType = keyboardType ?? (maxLines == 1 ? TextInputType.text : TextInputType.multiline);
this.scrollPadding = scrollPadding ?? EdgeInsets.all(20.0f);
this.dragStartBehavior = dragStartBehavior;
this.buildCounter = buildCounter;
}
public _CupertinoSwitchRenderObjectWidget(
Key key = null,
bool value = false,
Color activeColor = null,
ValueChanged <bool> onChanged = null,
TickerProvider vsync = null,
DragStartBehavior dragStartBehavior = DragStartBehavior.start
) : base(key: key)
{
this.value = value;
this.activeColor = activeColor;
this.onChanged = onChanged;
this.vsync = vsync;
this.dragStartBehavior = dragStartBehavior;
}
public DrawerController(
GlobalKey key = null,
Widget child = null,
DrawerAlignment?alignment = null,
DrawerCallback drawerCallback = null,
DragStartBehavior dragStartBehavior = DragStartBehavior.start
) : base(key: key)
{
D.assert(child != null);
D.assert(alignment != null);
this.child = child;
this.alignment = alignment ?? DrawerAlignment.start;
this.drawerCallback = drawerCallback;
this.dragStartBehavior = dragStartBehavior;
}
public Scrollable(
Key key = null,
AxisDirection axisDirection = AxisDirection.down,
ScrollController controller = null,
ScrollPhysics physics = null,
ViewportBuilder viewportBuilder = null,
DragStartBehavior dragStartBehavior = DragStartBehavior.down
) : base(key: key)
{
D.assert(viewportBuilder != null);
this.axisDirection = axisDirection;
this.controller = controller;
this.physics = physics;
this.viewportBuilder = viewportBuilder;
this.dragStartBehavior = dragStartBehavior;
}
ListView(
Key key = null,
Axis scrollDirection = Axis.vertical,
bool reverse = false,
ScrollController controller = null,
bool?primary = null,
ScrollPhysics physics = null,
bool shrinkWrap = false,
EdgeInsets padding = null,
IndexedWidgetBuilder itemBuilder = null,
IndexedWidgetBuilder separatorBuilder = null,
int itemCount = 0,
bool addAutomaticKeepAlives = true,
bool addRepaintBoundaries = true,
float?cacheExtent = null,
DragStartBehavior dragStartBehavior = DragStartBehavior.start
) : base(
key: key,
scrollDirection: scrollDirection,
reverse: reverse,
controller: controller,
primary: primary,
physics: physics,
shrinkWrap: shrinkWrap,
padding: padding,
cacheExtent: cacheExtent,
dragStartBehavior: dragStartBehavior
)
{
D.assert(itemBuilder != null);
D.assert(separatorBuilder != null);
D.assert(itemCount >= 0);
this.itemExtent = null;
this.childrenDelegate = new SliverChildBuilderDelegate(
(context, index) => {
int itemIndex = index / 2;
return(index % 2 == 0
? itemBuilder(context, itemIndex)
: separatorBuilder(context, itemIndex));
},
childCount: Mathf.Max(0, itemCount * 2 - 1),
addAutomaticKeepAlives: addAutomaticKeepAlives,
addRepaintBoundaries: addRepaintBoundaries
);
}
public YearPicker(
DateTime selectedDate,
ValueChanged <DateTime> onChanged,
DateTime firstDate,
DateTime lastDate,
DragStartBehavior dragStartBehavior = DragStartBehavior.start,
Key key = null
) : base(key: key)
{
D.assert(selectedDate != null);
D.assert(onChanged != null);
D.assert(firstDate <= lastDate);
this.selectedDate = selectedDate;
this.onChanged = onChanged;
this.firstDate = firstDate;
this.lastDate = lastDate;
this.dragStartBehavior = dragStartBehavior;
}
public GridView(
Key key = null,
Axis scrollDirection = Axis.vertical,
bool reverse = false,
ScrollController controller = null,
bool?primary = null,
ScrollPhysics physics = null,
bool shrinkWrap = false,
EdgeInsets padding = null,
float?maxCrossAxisExtent = null,
float mainAxisSpacing = 0.0f,
float crossAxisSpacing = 0.0f,
float childAspectRatio = 1.0f,
bool addAutomaticKeepAlives = true,
bool addRepaintBoundaries = true,
bool addSemanticIndexes = true,
List <Widget> children = null,
DragStartBehavior dragStartBehavior = DragStartBehavior.start
) : base(
key: key,
scrollDirection: scrollDirection,
reverse: reverse,
controller: controller,
primary: primary,
physics: physics,
shrinkWrap: shrinkWrap,
padding: padding,
dragStartBehavior: dragStartBehavior
)
{
this.gridDelegate = new SliverGridDelegateWithMaxCrossAxisExtent(
maxCrossAxisExtent: maxCrossAxisExtent ?? 0,
mainAxisSpacing: mainAxisSpacing,
crossAxisSpacing: crossAxisSpacing,
childAspectRatio: childAspectRatio
);
this.childrenDelegate = new SliverChildListDelegate(
children ?? new List <Widget> {
},
addAutomaticKeepAlives: addAutomaticKeepAlives,
addRepaintBoundaries: addRepaintBoundaries
);
}
Switch(
Key key = null,
bool?value = null,
ValueChanged <bool?> onChanged = null,
Color activeColor = null,
Color activeTrackColor = null,
Color inactiveThumbColor = null,
Color inactiveTrackColor = null,
ImageProvider activeThumbImage = null,
ImageErrorListener onActiveThumbImageError = null,
ImageProvider inactiveThumbImage = null,
ImageErrorListener onInactiveThumbImageError = null,
MaterialTapTargetSize?materialTapTargetSize = null,
_SwitchType switchType = _SwitchType.material,
DragStartBehavior dragStartBehavior = DragStartBehavior.start,
Color focusColor = null,
Color hoverColor = null,
FocusNode focusNode = null,
bool autofocus = false
) : base(key : key)
{
D.assert(value != null);
this.value = value.Value;
D.assert(activeThumbImage != null || onActiveThumbImageError == null);
D.assert(inactiveThumbImage != null || onInactiveThumbImageError == null);
this.onChanged = onChanged;
this.activeColor = activeColor;
this.activeTrackColor = activeTrackColor;
this.inactiveThumbColor = inactiveThumbColor;
this.inactiveTrackColor = inactiveTrackColor;
this.activeThumbImage = activeThumbImage;
this.onActiveThumbImageError = onActiveThumbImageError;
this.inactiveThumbImage = inactiveThumbImage;
this.onInactiveThumbImageError = onInactiveThumbImageError;
this.materialTapTargetSize = materialTapTargetSize;
_switchType = switchType;
this.dragStartBehavior = dragStartBehavior;
this.focusColor = focusColor;
this.hoverColor = hoverColor;
this.focusNode = focusNode;
this.autofocus = autofocus;
}
