public TabBarTheme copyWith(
Decoration indicator = null,
TabBarIndicatorSize?indicatorSize = null,
Color labelColor = null,
EdgeInsetsGeometry labelPadding = null,
TextStyle labelStyle = null,
Color unselectedLabelColor = null,
TextStyle unselectedLabelStyle = null
)
{
return(new TabBarTheme(
indicator: indicator ?? this.indicator,
indicatorSize: indicatorSize ?? this.indicatorSize,
labelColor: labelColor ?? this.labelColor,
labelPadding: labelPadding ?? this.labelPadding,
labelStyle: labelStyle ?? this.labelStyle,
unselectedLabelColor: unselectedLabelColor ?? this.unselectedLabelColor,
unselectedLabelStyle: unselectedLabelStyle ?? this.unselectedLabelStyle));
}
public GridView(
Key key = null,
Axis scrollDirection = Axis.vertical,
bool reverse = false,
ScrollController controller = null,
bool?primary = null,
ScrollPhysics physics = null,
bool shrinkWrap = false,
EdgeInsetsGeometry 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
)
{
gridDelegate = new SliverGridDelegateWithMaxCrossAxisExtent(
maxCrossAxisExtent: maxCrossAxisExtent ?? 0,
mainAxisSpacing: mainAxisSpacing,
crossAxisSpacing: crossAxisSpacing,
childAspectRatio: childAspectRatio
);
childrenDelegate = new SliverChildListDelegate(
children ?? new List <Widget> {
},
addAutomaticKeepAlives: addAutomaticKeepAlives,
addRepaintBoundaries: addRepaintBoundaries
);
}
public ExpandIcon(
Key key = null,
bool isExpanded = false,
float size = 24.0f,
ValueChanged <bool> onPressed = null,
EdgeInsetsGeometry padding = null,
Color color = null,
Color disabledColor = null,
Color expandedColor = null
) : base(key: key)
{
this.isExpanded = isExpanded;
this.size = size;
this.onPressed = onPressed;
this.padding = padding ?? EdgeInsets.all(8.0f);
this.color = color;
this.disabledColor = disabledColor;
this.expandedColor = expandedColor;
}
public Card(
Key key = null,
Color color = null,
Color shadowColor = null,
float?elevation = null,
ShapeBorder shape = null,
bool borderOnForeground = true,
EdgeInsetsGeometry margin = null,
Clip?clipBehavior = null,
Widget child = null) : base(key: key)
{
D.assert(elevation == null || elevation >= 0.0f);
this.color = color;
this.shadowColor = shadowColor;
this.elevation = elevation;
this.shape = shape;
this.borderOnForeground = borderOnForeground;
this.margin = margin;
this.clipBehavior = clipBehavior;
this.child = child;
}
public Ink(
Key key = null,
EdgeInsetsGeometry padding = null,
Color color = null,
Decoration decoration = null,
float?width = null,
float?height = null,
Widget child = null) : base(key: key)
{
D.assert(padding == null || padding.isNonNegative);
D.assert(decoration == null || decoration.debugAssertIsValid());
D.assert(color == null || decoration == null,
() => "Cannot provide both a color and a decoration\n" +
"The color argument is just a shorthand for \"decoration: new BoxDecoration(color: color)\".");
decoration = decoration ?? (color != null ? new BoxDecoration(color: color) : null);
this.padding = padding;
this.width = width;
this.height = height;
this.child = child;
this.decoration = decoration;
}
public IconButton(
Key key = null,
float iconSize = 24.0f,
VisualDensity visualDensity = null,
EdgeInsetsGeometry padding = null,
AlignmentGeometry alignment = null,
Widget icon = null,
Color color = null,
Color focusColor = null,
Color hoverColor = null,
Color highlightColor = null,
Color splashColor = null,
Color disabledColor = null,
VoidCallback onPressed = null,
FocusNode focusNode = null,
bool autofocus = false,
string tooltip = null,
bool?enableFeedback = true,
BoxConstraints constraints = null
) : base(key: key)
{
D.assert(icon != null);
this.iconSize = iconSize;
this.visualDensity = visualDensity;
this.padding = padding ?? EdgeInsets.all(8.0f);
this.alignment = alignment ?? Alignment.center;
this.icon = icon;
this.color = color;
this.focusColor = focusColor;
this.hoverColor = hoverColor;
this.highlightColor = highlightColor;
this.splashColor = splashColor;
this.disabledColor = disabledColor;
this.onPressed = onPressed;
this.focusNode = focusNode;
this.autofocus = autofocus;
this.tooltip = tooltip;
this.enableFeedback = enableFeedback;
this.constraints = constraints;
}
public static GridView count(
Key key = null,
Axis scrollDirection = Axis.vertical,
bool reverse = false,
ScrollController controller = null,
bool?primary = null,
ScrollPhysics physics = null,
bool shrinkWrap = false,
EdgeInsetsGeometry padding = null,
int?crossAxisCount = null,
float mainAxisSpacing = 0.0f,
float crossAxisSpacing = 0.0f,
float childAspectRatio = 1.0f,
bool addAutomaticKeepAlives = true,
bool addRepaintBoundaries = true,
float?cacheExtent = null,
List <Widget> children = null,
DragStartBehavior dragStartBehavior = DragStartBehavior.start
)
{
return(new GridView(
key: key,
scrollDirection: scrollDirection,
reverse: reverse,
controller: controller,
primary: primary,
physics: physics,
shrinkWrap: shrinkWrap,
padding: padding,
crossAxisCount: crossAxisCount,
mainAxisSpacing: mainAxisSpacing,
crossAxisSpacing: crossAxisSpacing,
childAspectRatio: childAspectRatio,
addAutomaticKeepAlives: addAutomaticKeepAlives,
addRepaintBoundaries: addRepaintBoundaries,
cacheExtent: cacheExtent,
children: children,
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,
EdgeInsetsGeometry padding = null,
float?itemExtent = null,
IndexedWidgetBuilder itemBuilder = null,
int?itemCount = null,
bool addAutomaticKeepAlives = true,
bool addRepaintBoundaries = true,
float?cacheExtent = null,
DragStartBehavior dragStartBehavior = DragStartBehavior.start,
ScrollViewKeyboardDismissBehavior keyboardDismissBehavior = ScrollViewKeyboardDismissBehavior.manual
) : base(key: key,
scrollDirection: scrollDirection,
reverse: reverse,
controller: controller,
primary: primary,
physics: physics,
shrinkWrap: shrinkWrap,
padding: padding,
cacheExtent: cacheExtent,
dragStartBehavior: dragStartBehavior,
keyboardDismissBehavior: keyboardDismissBehavior
)
{
D.assert(itemCount == null || itemCount >= 0);
this.itemExtent = itemExtent;
childrenDelegate = new SliverChildBuilderDelegate(
itemBuilder,
childCount: itemCount,
addAutomaticKeepAlives: addAutomaticKeepAlives,
addRepaintBoundaries: addRepaintBoundaries
);
}
public AnimatedContainer(
Key key = null,
AlignmentGeometry alignment = null,
EdgeInsetsGeometry padding = null,
Color color = null,
Decoration decoration = null,
Decoration foregroundDecoration = null,
float?width = null,
float?height = null,
BoxConstraints constraints = null,
EdgeInsetsGeometry margin = null,
Matrix4 transform = null,
Widget child = null,
Curve curve = null,
TimeSpan?duration = null,
VoidCallback onEnd = null
) : base(key: key, curve: curve ?? Curves.linear, duration: duration, onEnd: onEnd)
{
D.assert(duration != null);
D.assert(margin == null || margin.isNonNegative);
D.assert(padding == null || padding.isNonNegative);
D.assert(decoration == null || decoration.debugAssertIsValid());
D.assert(constraints == null || constraints.debugAssertIsValid());
D.assert(color == null || decoration == null,
() => "Cannot provide both a color and a decoration\n" +
"The color argument is just a shorthand for \"decoration: new BoxDecoration(backgroundColor: color)\".");
this.alignment = alignment;
this.padding = padding;
this.foregroundDecoration = foregroundDecoration;
this.margin = margin;
this.transform = transform;
this.child = child;
this.decoration = decoration ?? (color != null ? new BoxDecoration(color: color) : null);
this.constraints =
(width != null || height != null)
? constraints?.tighten(width: width, height: height)
?? BoxConstraints.tightFor(width: width, height: height)
: constraints;
}
public Container(
Key key = null,
AlignmentGeometry alignment = null,
EdgeInsetsGeometry padding = null,
Color color = null,
Decoration decoration = null,
Decoration foregroundDecoration = null,
float?width = null,
float?height = null,
BoxConstraints constraints = null,
EdgeInsetsGeometry margin = null,
Matrix4 transform = null,
Widget child = null,
Clip clipBehavior = Clip.none
) : base(key: key)
{
D.assert(margin == null || margin.isNonNegative);
D.assert(padding == null || padding.isNonNegative);
D.assert(decoration == null || decoration.debugAssertIsValid());
D.assert(constraints == null || constraints.debugAssertIsValid());
D.assert(color == null || decoration == null,
() => "Cannot provide both a color and a decoration\n" +
"The color argument is just a shorthand for \"decoration: new BoxDecoration(color: color)\"."
);
D.assert(clipBehavior != null);
this.alignment = alignment;
this.padding = padding;
this.foregroundDecoration = foregroundDecoration;
this.color = color;
this.decoration = decoration;// ?? (color != null ? new BoxDecoration(color) : null);
this.constraints = (width != null || height != null)
? (constraints != null ? constraints.tighten(width, height) : BoxConstraints.tightFor(width, height))
: constraints;
this.margin = margin;
this.transform = transform;
this.child = child;
this.clipBehavior = clipBehavior;
}
public AlertDialog(
Key key = null,
Widget title = null,
EdgeInsetsGeometry titlePadding = null,
TextStyle titleTextStyle = null,
Widget content = null,
EdgeInsetsGeometry contentPadding = null,
TextStyle contentTextStyle = null,
List <Widget> actions = null,
EdgeInsetsGeometry actionsPadding = null,
VerticalDirection actionsOverflowDirection = VerticalDirection.up,
float actionsOverflowButtonSpacing = 0,
EdgeInsetsGeometry buttonPadding = null,
Color backgroundColor = null,
float?elevation = null,
EdgeInsets insetPadding = null,
Clip clipBehavior = Clip.none,
ShapeBorder shape = null,
bool scrollable = false
) : base(key: key)
{
this.title = title;
this.titlePadding = titlePadding;
this.titleTextStyle = titleTextStyle;
this.content = content;
this.contentPadding = contentPadding ?? EdgeInsets.fromLTRB(24.0f, 20.0f, 24.0f, 24.0f);
this.contentTextStyle = contentTextStyle;
this.actions = actions;
this.actionsPadding = actionsPadding ?? EdgeInsets.zero;
this.actionsOverflowDirection = actionsOverflowDirection;
this.actionsOverflowButtonSpacing = actionsOverflowButtonSpacing;
this.buttonPadding = buttonPadding;
this.backgroundColor = backgroundColor;
this.elevation = elevation;
this.insetPadding = insetPadding ?? material_._defaultInsetPadding;
this.clipBehavior = clipBehavior;
this.shape = shape;
this.scrollable = scrollable;
}
public SwitchListTile(
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,
Widget title = null,
Widget subtitle = null,
bool isThreeLine = false,
bool?dense = null,
EdgeInsetsGeometry contentPadding = null,
Widget secondary = null,
bool selected = false,
_SwitchListTileType _switchListTileType = _SwitchListTileType.material
) : base(key: key)
{
D.assert(value != null);
D.assert(!isThreeLine || subtitle != null);
this.value = value.Value;
this.onChanged = onChanged;
this.activeColor = activeColor;
this.activeTrackColor = activeTrackColor;
this.inactiveThumbColor = inactiveThumbColor;
this.inactiveTrackColor = inactiveTrackColor;
this.activeThumbImage = activeThumbImage;
this.inactiveThumbImage = inactiveThumbImage;
this.title = title;
this.subtitle = subtitle;
this.isThreeLine = isThreeLine;
this.dense = dense;
this.contentPadding = contentPadding;
this.secondary = secondary;
this.selected = selected;
this._switchListTileType = _switchListTileType;
}
protected override List <Widget> buildSlivers(BuildContext context)
{
Widget sliver = buildChildLayout(context);
EdgeInsetsGeometry effectivePadding = padding;
if (padding == null)
{
MediaQueryData mediaQuery = MediaQuery.of(context, nullOk: true);
if (mediaQuery != null)
{
EdgeInsets mediaQueryHorizontalPadding =
mediaQuery.padding.copyWith(top: 0.0f, bottom: 0.0f);
EdgeInsets mediaQueryVerticalPadding =
mediaQuery.padding.copyWith(left: 0.0f, right: 0.0f);
effectivePadding = scrollDirection == Axis.vertical
? mediaQueryVerticalPadding
: mediaQueryHorizontalPadding;
sliver = new MediaQuery(
data: mediaQuery.copyWith(
padding: scrollDirection == Axis.vertical
? mediaQueryHorizontalPadding
: mediaQueryVerticalPadding
),
child: sliver
);
}
}
if (effectivePadding != null)
{
sliver = new SliverPadding(padding: effectivePadding, sliver: sliver);
}
return(new List <Widget> {
sliver
});
}
public static ButtonTheme bar(
Key key = null,
ButtonTextTheme textTheme = ButtonTextTheme.accent,
float minWidth = 64.0f,
float height = 36.0f,
EdgeInsetsGeometry padding = null,
ShapeBorder shape = null,
bool alignedDropdown = false,
Color buttonColor = null,
Color disabledColor = null,
Color focusColor = null,
Color hoverColor = null,
Color highlightColor = null,
Color splashColor = null,
ColorScheme colorScheme = null,
Widget child = null,
ButtonBarLayoutBehavior layoutBehavior = ButtonBarLayoutBehavior.padded
)
{
D.assert(minWidth >= 0.0);
D.assert(height >= 0.0);
return(new ButtonTheme(key, new ButtonThemeData(
textTheme: textTheme,
minWidth: minWidth,
height: height,
padding: padding ?? EdgeInsets.symmetric(horizontal: 8.0f),
shape: shape,
alignedDropdown: alignedDropdown,
layoutBehavior: layoutBehavior,
buttonColor: buttonColor,
disabledColor: disabledColor,
focusColor: focusColor,
hoverColor: hoverColor,
highlightColor: highlightColor,
splashColor: splashColor,
colorScheme: colorScheme
), child));
}
public ButtonTheme(
Key key = null,
ButtonTextTheme textTheme = ButtonTextTheme.normal,
ButtonBarLayoutBehavior layoutBehavior = ButtonBarLayoutBehavior.padded,
float minWidth = 88.0f,
float height = 36.0f,
EdgeInsetsGeometry padding = null,
ShapeBorder shape = null,
bool alignedDropdown = false,
Color buttonColor = null,
Color disabledColor = null,
Color focusColor = null,
Color hoverColor = null,
Color highlightColor = null,
Color splashColor = null,
ColorScheme colorScheme = null,
MaterialTapTargetSize?materialTapTargetSize = null,
Widget child = null) : base(key: key, child: child)
{
D.assert(minWidth >= 0.0);
D.assert(height >= 0.0);
data = new ButtonThemeData(
textTheme: textTheme,
minWidth: minWidth,
height: height,
padding: padding,
shape: shape,
alignedDropdown: alignedDropdown,
layoutBehavior: layoutBehavior,
buttonColor: buttonColor,
disabledColor: disabledColor,
focusColor: focusColor,
hoverColor: hoverColor,
highlightColor: highlightColor,
splashColor: splashColor,
colorScheme: colorScheme,
materialTapTargetSize: materialTapTargetSize);
}
public ChipThemeData copyWith(
Color backgroundColor = null,
Color deleteIconColor = null,
Color disabledColor = null,
Color selectedColor = null,
Color secondarySelectedColor = null,
Color shadowColor = null,
Color selectedShadowColor = null,
Color checkmarkColor = null,
EdgeInsetsGeometry labelPadding = null,
EdgeInsetsGeometry padding = null,
ShapeBorder shape = null,
TextStyle labelStyle = null,
TextStyle secondaryLabelStyle = null,
Brightness?brightness = null,
float?elevation = null,
float?pressElevation = null
)
{
return(new ChipThemeData(
backgroundColor: backgroundColor ?? this.backgroundColor,
deleteIconColor: deleteIconColor ?? this.deleteIconColor,
disabledColor: disabledColor ?? this.disabledColor,
selectedColor: selectedColor ?? this.selectedColor,
secondarySelectedColor: secondarySelectedColor ?? this.secondarySelectedColor,
shadowColor: shadowColor ?? this.shadowColor,
selectedShadowColor: selectedShadowColor ?? this.selectedShadowColor,
checkmarkColor: checkmarkColor ?? this.checkmarkColor,
labelPadding: labelPadding ?? this.labelPadding,
padding: padding ?? this.padding,
shape: shape ?? this.shape,
labelStyle: labelStyle ?? this.labelStyle,
secondaryLabelStyle: secondaryLabelStyle ?? this.secondaryLabelStyle,
brightness: brightness ?? this.brightness,
elevation: elevation ?? this.elevation,
pressElevation: pressElevation ?? this.pressElevation
));
}
public static ListView builder(
Key key = null,
Axis scrollDirection = Axis.vertical,
bool reverse = false,
ScrollController controller = null,
bool?primary = null,
ScrollPhysics physics = null,
bool shrinkWrap = false,
EdgeInsetsGeometry padding = null,
float?itemExtent = null,
IndexedWidgetBuilder itemBuilder = null,
int?itemCount = null,
bool addAutomaticKeepAlives = true,
bool addRepaintBoundaries = true,
float?cacheExtent = null,
DragStartBehavior dragStartBehavior = DragStartBehavior.start,
ScrollViewKeyboardDismissBehavior keyboardDismissBehavior = ScrollViewKeyboardDismissBehavior.manual
)
{
return(new ListView(
key: key,
scrollDirection: scrollDirection,
reverse: reverse,
controller: controller,
primary: primary,
physics: physics,
shrinkWrap: shrinkWrap,
padding: padding,
cacheExtent: cacheExtent,
itemExtent: itemExtent,
itemBuilder: itemBuilder,
itemCount: itemCount,
addAutomaticKeepAlives: addAutomaticKeepAlives,
addRepaintBoundaries: addRepaintBoundaries,
dragStartBehavior: dragStartBehavior,
keyboardDismissBehavior: keyboardDismissBehavior
));
}
public PopupMenuButton(
Key key = null,
PopupMenuItemBuilder <T> itemBuilder = null,
T initialValue = default,
PopupMenuItemSelected <T> onSelected = null,
PopupMenuCanceled onCanceled = null,
string tooltip = null,
float?elevation = null,
EdgeInsetsGeometry padding = null,
Widget child = null,
Icon icon = null,
Offset offset = null,
bool enabled = true,
ShapeBorder shape = null,
Color color = null,
bool captureInheritedThemes = true
) : base(key: key)
{
offset = offset ?? Offset.zero;
D.assert(itemBuilder != null);
D.assert(offset != null);
D.assert(!(child != null && icon != null), () => "You can only pass [child] or [icon], not both.");
this.itemBuilder = itemBuilder;
this.initialValue = initialValue;
this.onSelected = onSelected;
this.onCanceled = onCanceled;
this.tooltip = tooltip;
this.elevation = elevation;
this.padding = padding ?? EdgeInsets.all(8.0f);
this.child = child;
this.icon = icon;
this.offset = offset;
this.enabled = enabled;
this.shape = shape;
this.color = color;
this.captureInheritedThemes = captureInheritedThemes;
}
public static Ink image(
Key key = null,
EdgeInsetsGeometry padding = null,
ImageProvider image = null,
ImageErrorListener onImageError = null,
ColorFilter colorFilter = null,
BoxFit?fit = null,
AlignmentGeometry alignment = null,
Rect centerSlice = null,
ImageRepeat repeat = ImageRepeat.noRepeat,
float?width = null,
float?height = null,
Widget child = null
)
{
D.assert(padding == null || padding.isNonNegative);
D.assert(image != null);
alignment = alignment ?? Alignment.center;
Decoration decoration = new BoxDecoration(
image: new DecorationImage(
image: image,
onError: onImageError,
colorFilter: colorFilter,
fit: fit,
alignment: alignment,
centerSlice: centerSlice,
repeat: repeat)
);
return(new Ink(
key: key,
padding: padding,
decoration: decoration,
width: width,
height: height,
child: child));
}
public UserAccountsDrawerHeader(
Key key = null,
Decoration decoration = null,
EdgeInsetsGeometry margin = null,
Widget currentAccountPicture = null,
List <Widget> otherAccountsPictures = null,
Widget accountName = null,
Widget accountEmail = null,
VoidCallback onDetailsPressed = null,
Color arrowColor = null
) : base(key: key)
{
D.assert(accountName != null);
D.assert(accountEmail != null);
this.decoration = decoration;
this.margin = margin ?? EdgeInsets.only(bottom: 8.0f);
this.arrowColor = arrowColor ?? Colors.white;
this.currentAccountPicture = currentAccountPicture;
this.otherAccountsPictures = otherAccountsPictures;
this.accountName = accountName;
this.accountEmail = accountEmail;
this.onDetailsPressed = onDetailsPressed;
}
public CupertinoButton(
Key key = null,
Widget child = null,
EdgeInsetsGeometry padding = null,
Color color = null,
Color disabledColor = null,
float minSize = 44.0f,
float pressedOpacity = 0.4f,
BorderRadius borderRadius = null,
VoidCallback onPressed = null
) : base(key: key)
{
D.assert((pressedOpacity >= 0.0 && pressedOpacity <= 1.0));
_filled = false;
this.child = child;
this.onPressed = onPressed;
this.padding = padding;
this.color = color;
this.disabledColor = disabledColor ?? CupertinoColors.quaternarySystemFill;
this.minSize = minSize;
this.pressedOpacity = pressedOpacity;
this.borderRadius = borderRadius ?? BorderRadius.all(Radius.circular(8.0f));
}
public MaterialBanner(
Key key = null,
Widget content = null,
TextStyle contentTextStyle = null,
List <Widget> actions = null,
Widget leading = null,
Color backgroundColor = null,
EdgeInsetsGeometry padding = null,
EdgeInsetsGeometry leadingPadding = null,
bool forceActionsBelow = false
) : base(key: key)
{
D.assert(content != null);
D.assert(actions != null);
this.content = content;
this.contentTextStyle = contentTextStyle;
this.actions = actions;
this.leading = leading;
this.backgroundColor = backgroundColor;
this.padding = padding;
this.leadingPadding = leadingPadding;
this.forceActionsBelow = forceActionsBelow;
}
public AnimatedList(
Key key = null,
AnimatedListItemBuilder itemBuilder = null,
int initialItemCount = 0,
Axis scrollDirection = Axis.vertical,
bool reverse = false,
ScrollController controller = null,
bool?primary = null,
ScrollPhysics physics = null,
bool shrinkWrap = false,
EdgeInsetsGeometry padding = null) : base(key: key)
{
D.assert(itemBuilder != null);
D.assert(initialItemCount >= 0);
this.itemBuilder = itemBuilder;
this.initialItemCount = initialItemCount;
this.scrollDirection = scrollDirection;
this.reverse = reverse;
this.controller = controller;
this.primary = primary;
this.physics = physics;
this.shrinkWrap = shrinkWrap;
this.padding = padding;
}
public CupertinoSlidingSegmentedControl(
Key key = null,
Dictionary <T, Widget> children = null,
ValueChanged <T> onValueChanged = null,
T groupValue = default,
Color thumbColor = null,
EdgeInsetsGeometry padding = null,
Color backgroundColor = null
) : base(key: key)
{
D.assert(children != null);
D.assert(children.Count >= 2);
D.assert(onValueChanged != null);
D.assert(
groupValue == null || children.Keys.Contains(groupValue), () =>
"The groupValue must be either null or one of the keys in the children map."
);
this.children = children;
this.onValueChanged = onValueChanged;
this.groupValue = groupValue;
this.thumbColor = thumbColor ?? CupertinoSlidingSegmentedControlsUtils._kThumbColor;
this.padding = padding ?? CupertinoSlidingSegmentedControlsUtils._kHorizontalItemPadding;
this.backgroundColor = backgroundColor ?? CupertinoColors.tertiarySystemFill;
}
public TooltipThemeData(
float?height = null,
EdgeInsetsGeometry padding = null,
EdgeInsetsGeometry margin = null,
float?verticalOffset = null,
bool?preferBelow = null,
bool?excludeFromSemantics = null,
Decoration decoration = null,
TextStyle textStyle = null,
TimeSpan?waitDuration = null,
TimeSpan?showDuration = null
)
{
this.height = height;
this.padding = padding;
this.margin = margin;
this.verticalOffset = verticalOffset;
this.preferBelow = preferBelow;
this.excludeFromSemantics = excludeFromSemantics;
this.decoration = decoration;
this.textStyle = textStyle;
this.waitDuration = waitDuration;
this.showDuration = showDuration;
}
public ButtonBarThemeData(
MainAxisAlignment?alignment = null,
MainAxisSize?mainAxisSize = null,
ButtonTextTheme?buttonTextTheme = null,
float?buttonMinWidth = null,
float?buttonHeight = null,
EdgeInsetsGeometry buttonPadding = null,
bool?buttonAlignedDropdown = null,
ButtonBarLayoutBehavior?layoutBehavior = null,
VerticalDirection?overflowDirection = null
)
{
D.assert(buttonMinWidth == null || buttonMinWidth >= 0.0f);
D.assert(buttonHeight == null || buttonHeight >= 0.0f);
this.alignment = alignment;
this.mainAxisSize = mainAxisSize;
this.buttonTextTheme = buttonTextTheme;
this.buttonMinWidth = buttonMinWidth;
this.buttonHeight = buttonHeight;
this.buttonPadding = buttonPadding;
this.buttonAlignedDropdown = buttonAlignedDropdown;
this.layoutBehavior = layoutBehavior;
this.overflowDirection = overflowDirection;
}
public ButtonBarThemeData copyWith(
MainAxisAlignment?alignment,
MainAxisSize?mainAxisSize,
ButtonTextTheme?buttonTextTheme,
float?buttonMinWidth,
float?buttonHeight,
EdgeInsetsGeometry buttonPadding,
bool?buttonAlignedDropdown,
ButtonBarLayoutBehavior?layoutBehavior,
VerticalDirection?overflowDirection
)
{
return(new ButtonBarThemeData(
alignment: alignment ?? this.alignment,
mainAxisSize: mainAxisSize ?? this.mainAxisSize,
buttonTextTheme: buttonTextTheme ?? this.buttonTextTheme,
buttonMinWidth: buttonMinWidth ?? this.buttonMinWidth,
buttonHeight: buttonHeight ?? this.buttonHeight,
buttonPadding: buttonPadding ?? this.buttonPadding,
buttonAlignedDropdown: buttonAlignedDropdown ?? this.buttonAlignedDropdown,
layoutBehavior: layoutBehavior ?? this.layoutBehavior,
overflowDirection: overflowDirection ?? this.overflowDirection
));
}
public ButtonThemeData(
ButtonTextTheme textTheme = ButtonTextTheme.normal,
float minWidth = 88.0f,
float height = 36.0f,
EdgeInsetsGeometry padding = null,
ShapeBorder shape = null,
ButtonBarLayoutBehavior layoutBehavior = ButtonBarLayoutBehavior.padded,
bool alignedDropdown = false,
Color buttonColor = null,
Color disabledColor = null,
Color focusColor = null,
Color hoverColor = null,
Color highlightColor = null,
Color splashColor = null,
ColorScheme colorScheme = null,
MaterialTapTargetSize?materialTapTargetSize = null
)
{
D.assert(minWidth >= 0.0);
D.assert(height >= 0.0);
this.textTheme = textTheme;
this.minWidth = minWidth;
this.height = height;
this.layoutBehavior = layoutBehavior;
this.alignedDropdown = alignedDropdown;
this.colorScheme = colorScheme;
_buttonColor = buttonColor;
_disabledColor = disabledColor;
_focusColor = focusColor;
_hoverColor = hoverColor;
_highlightColor = highlightColor;
_splashColor = splashColor;
_padding = padding;
_shape = shape;
_materialTapTargetSize = materialTapTargetSize;
}
public static ListView seperated(
Key key = null,
Axis scrollDirection = Axis.vertical,
bool reverse = false,
ScrollController controller = null,
bool?primary = null,
ScrollPhysics physics = null,
bool shrinkWrap = false,
EdgeInsetsGeometry padding = null,
IndexedWidgetBuilder itemBuilder = null,
IndexedWidgetBuilder separatorBuilder = null,
int itemCount = 0,
bool addAutomaticKeepAlives = true,
bool addRepaintBoundaries = true,
float?cacheExtent = null,
ScrollViewKeyboardDismissBehavior keyboardDismissBehavior = ScrollViewKeyboardDismissBehavior.manual
)
{
return(new ListView(
key,
scrollDirection,
reverse,
controller,
primary,
physics,
shrinkWrap,
padding,
itemBuilder,
separatorBuilder,
itemCount,
addAutomaticKeepAlives,
addRepaintBoundaries,
cacheExtent,
keyboardDismissBehavior: keyboardDismissBehavior
));
}
public override Widget build(BuildContext context)
{
return(new LayoutBuilder(
builder: (BuildContext _context, BoxConstraints constraints) => {
FlexibleSpaceBarSettings settings =
_context.dependOnInheritedWidgetOfExactType <FlexibleSpaceBarSettings>();
D.assert(settings != null,
() =>
"A FlexibleSpaceBar must be wrapped in the widget returned by FlexibleSpaceBar.createSettings().");
List <Widget> children = new List <Widget>();
float deltaExtent = settings.maxExtent.Value - settings.minExtent.Value;
float t = (1.0f - (settings.currentExtent.Value - settings.minExtent.Value) / deltaExtent)
.clamp(0.0f, 1.0f);
if (widget.background != null)
{
float fadeStart = Mathf.Max(0.0f, 1.0f - material_.kToolbarHeight / deltaExtent);
float fadeEnd = 1.0f;
D.assert(fadeStart <= fadeEnd);
float opacity = 1.0f - new Interval(fadeStart, fadeEnd).transform(t);
if (opacity > 0.0f)
{
float height = settings.maxExtent ?? 0;
if (widget.stretchModes.Contains(StretchMode.zoomBackground) &&
constraints.maxHeight > height)
{
height = constraints.maxHeight;
}
children.Add(new Positioned(
top: _getCollapsePadding(t, settings),
left: 0.0f,
right: 0.0f,
height: height,
child: new Opacity(
opacity: opacity,
child: widget.background)
)
);
if (widget.stretchModes.Contains(StretchMode.blurBackground) &&
constraints.maxHeight > settings.maxExtent)
{
float blurAmount = (constraints.maxHeight - settings.maxExtent) / 10 ?? 0;
children.Add(Positioned.fill(
child: new BackdropFilter(
child: new Container(
color: Colors.transparent
),
filter: ui.ImageFilter.blur(
sigmaX: blurAmount,
sigmaY: blurAmount
)
)
));
}
}
}
Widget title = null;
if (widget.title != null)
{
switch (Application.platform)
{
case RuntimePlatform.IPhonePlayer:
title = widget.title;
break;
default:
title = widget.title;
break;
}
}
if (widget.stretchModes.Contains(StretchMode.fadeTitle) &&
constraints.maxHeight > settings.maxExtent)
{
float stretchOpacity =
1 - (((constraints.maxHeight - settings.maxExtent) / 100)?.clamp(0.0f, 1.0f) ?? 0);
title = new Opacity(
opacity: stretchOpacity,
child: title
);
}
ThemeData theme = Theme.of(_context);
float toolbarOpacity = settings.toolbarOpacity.Value;
if (toolbarOpacity > 0.0f)
{
TextStyle titleStyle = theme.primaryTextTheme.title;
titleStyle = titleStyle.copyWith(
color: titleStyle.color.withOpacity(toolbarOpacity));
bool effectiveCenterTitle = _getEffectiveCenterTitle(theme).Value;
EdgeInsetsGeometry padding = widget.titlePadding ??
EdgeInsets.only(
left: effectiveCenterTitle ? 0.0f : 72.0f,
bottom: 16.0f
);
float scaleValue = new FloatTween(begin: 1.5f, end: 1.0f).lerp(t);
Matrix4 scaleTransform = Matrix4.diagonal3Values(scaleValue, scaleValue, 1);
Alignment titleAlignment = _getTitleAlignment(effectiveCenterTitle);
children.Add(new Container(
padding: padding,
child: new Transform(
alignment: titleAlignment,
transform: scaleTransform,
child: new Align(
alignment: titleAlignment,
child: new DefaultTextStyle(
style: titleStyle,
child: new LayoutBuilder(
builder: (BuildContext __context, BoxConstraints _constraints) => {
return new Container(
width: _constraints.maxWidth / scaleValue,
alignment: titleAlignment,
child: title
);
}
)
)
)
)
)
);
}
return new ClipRect(
child: new Stack(
children: children)
);
}
));
}
