public override Widget build(BuildContext context)
{
MediaQueryData mediaQuery = MediaQuery.of(context);
MaterialLocalizations localizations = MaterialLocalizations.of(context);
return(new GestureDetector(
onTap: () => Navigator.pop(context),
child: new AnimatedBuilder(
animation: this.widget.route.animation,
builder: (BuildContext _context, Widget child) => {
float animationValue =
mediaQuery.accessibleNavigation ? 1.0f : this.widget.route.animation.value;
return new ClipRect(
child: new CustomSingleChildLayout(
layoutDelegate: new _ModalBottomSheetLayout(animationValue),
child: new BottomSheet(
animationController: this.widget.route._animationController,
onClosing: () => Navigator.pop(_context),
builder: this.widget.route.builder
)
)
);
}
)
));
}
public override Widget build(BuildContext context)
{
MediaQueryData mediaQueryData = MediaQuery.of(context);
D.assert(widget.animation != null);
ThemeData theme = Theme.of(context);
ColorScheme colorScheme = theme.colorScheme;
SnackBarThemeData snackBarTheme = theme.snackBarTheme;
bool isThemeDark = theme.brightness == Brightness.dark;
Brightness brightness = isThemeDark ? Brightness.light : Brightness.dark;
Color themeBackgroundColor = isThemeDark
? colorScheme.onSurface
: Color.alphaBlend(colorScheme.onSurface.withOpacity(0.80f), colorScheme.surface);
ThemeData inverseTheme = new ThemeData(
brightness: brightness,
backgroundColor: themeBackgroundColor,
colorScheme: new ColorScheme(
primary: colorScheme.onPrimary,
primaryVariant: colorScheme.onPrimary,
secondary: isThemeDark ? colorScheme.primaryVariant : colorScheme.secondary,
secondaryVariant: colorScheme.onSecondary,
surface: colorScheme.onSurface,
background: themeBackgroundColor,
error: colorScheme.onError,
onPrimary: colorScheme.primary,
onSecondary: colorScheme.secondary,
onSurface: colorScheme.surface,
onBackground: colorScheme.background,
onError: colorScheme.error,
brightness: brightness
),
snackBarTheme: snackBarTheme
);
TextStyle contentTextStyle = snackBarTheme.contentTextStyle ?? inverseTheme.textTheme.subtitle1;
SnackBarBehavior snackBarBehavior = widget.behavior ?? snackBarTheme.behavior ?? SnackBarBehavior.fix;
bool isFloatingSnackBar = snackBarBehavior == SnackBarBehavior.floating;
float snackBarPadding = isFloatingSnackBar ? 16.0f : 24.0f;
CurvedAnimation heightAnimation =
new CurvedAnimation(parent: widget.animation, curve: SnackBarUtils._snackBarHeightCurve);
CurvedAnimation fadeInAnimation =
new CurvedAnimation(parent: widget.animation, curve: SnackBarUtils._snackBarFadeInCurve);
CurvedAnimation fadeOutAnimation = new CurvedAnimation(
parent: widget.animation,
curve: SnackBarUtils._snackBarFadeOutCurve,
reverseCurve: new Threshold(0.0f)
);
var childrenList = new List <Widget>()
{
new SizedBox(width: snackBarPadding),
new Expanded(
child: new Container(
padding: EdgeInsets.symmetric(vertical: SnackBarUtils._singleLineVerticalPadding),
child: new DefaultTextStyle(
style: contentTextStyle,
child: widget.content
)
)
)
};
if (widget.action != null)
{
childrenList.Add(new ButtonTheme(
textTheme: ButtonTextTheme.accent,
minWidth: 64.0f,
padding: EdgeInsets.symmetric(horizontal: snackBarPadding),
child: widget.action
));
}
else
{
childrenList.Add(new SizedBox(width: snackBarPadding));
}
Widget snackBar = new SafeArea(
top: false,
bottom: !isFloatingSnackBar,
child: new Row(
crossAxisAlignment: CrossAxisAlignment.center,
children: childrenList
)
);
float elevation = widget.elevation ?? snackBarTheme.elevation ?? 6.0f;
Color backgroundColor =
widget.backgroundColor ?? snackBarTheme.backgroundColor ?? inverseTheme.backgroundColor;
ShapeBorder shape = widget.shape
?? snackBarTheme.shape
?? (isFloatingSnackBar
? new RoundedRectangleBorder(borderRadius: BorderRadius.circular(4.0f))
: null);
snackBar = new Material(
shape: shape,
elevation: elevation,
color: backgroundColor,
child: new Theme(
data: inverseTheme,
child: mediaQueryData.accessibleNavigation
? snackBar
: new FadeTransition(
opacity: fadeOutAnimation,
child: snackBar
)
)
);
if (isFloatingSnackBar)
{
snackBar = new Padding(
padding: EdgeInsets.fromLTRB(15.0f, 5.0f, 15.0f, 10.0f),
child: snackBar
);
}
snackBar = new Dismissible(
key: Key.key("dismissible"),
direction: DismissDirection.down,
resizeDuration: null,
onDismissed: (DismissDirection? direction) => {
Scaffold.of(context).removeCurrentSnackBar(reason: SnackBarClosedReason.swipe);
},
child: snackBar
);
Widget snackBarTransition = null;
if (mediaQueryData.accessibleNavigation)
{
snackBarTransition = snackBar;
}
else if (isFloatingSnackBar)
{
snackBarTransition = new FadeTransition(
opacity: fadeInAnimation,
child: snackBar
);
}
else
{
snackBarTransition = new AnimatedBuilder(
animation: heightAnimation,
builder: (BuildContext subContext, Widget subChild) => {
return(new Align(
alignment: AlignmentDirectional.topStart,
heightFactor: heightAnimation.value,
child: subChild
));
},
child: snackBar
);
}
return(new ClipRect(child: snackBarTransition));
}
public override Widget buildToolbar(
BuildContext context,
Rect globalEditableRegion,
float textLineHeight,
Offset position,
List <TextSelectionPoint> endpoints,
TextSelectionDelegate _delegate
)
{
D.assert(WidgetsD.debugCheckHasMediaQuery(context));
MediaQueryData mediaQuery = MediaQuery.of(context);
float toolbarHeightNeeded = mediaQuery.padding.top
+ CupertinoTextSelectionUtils._kToolbarScreenPadding
+ CupertinoTextSelectionUtils._kToolbarHeight
+ CupertinoTextSelectionUtils._kToolbarContentDistance;
float availableHeight = globalEditableRegion.top + endpoints.first().point.dy - textLineHeight;
bool isArrowPointingDown = toolbarHeightNeeded <= availableHeight;
float arrowTipX = (position.dx + globalEditableRegion.left).clamp(
CupertinoTextSelectionUtils._kArrowScreenPadding + mediaQuery.padding.left,
mediaQuery.size.width - mediaQuery.padding.right - CupertinoTextSelectionUtils._kArrowScreenPadding
);
float localBarTopY = isArrowPointingDown
? endpoints.first().point.dy - textLineHeight - CupertinoTextSelectionUtils._kToolbarContentDistance - CupertinoTextSelectionUtils._kToolbarHeight
: endpoints.last().point.dy + CupertinoTextSelectionUtils._kToolbarContentDistance;
List <Widget> items = new List <Widget> {
};
Widget onePhysicalPixelVerticalDivider = new SizedBox(width: 1.0f / MediaQuery.of(context).devicePixelRatio);
CupertinoLocalizations localizations = CupertinoLocalizations.of(context);
EdgeInsets arrowPadding = isArrowPointingDown
? EdgeInsets.only(bottom: CupertinoTextSelectionUtils._kToolbarArrowSize.height)
: EdgeInsets.only(top: CupertinoTextSelectionUtils._kToolbarArrowSize.height);
void addToolbarButtonIfNeeded(
string text,
Predicate predicate,
OnPressed onPressed)
{
if (!predicate(_delegate))
{
return;
}
if (items.isNotEmpty())
{
items.Add(onePhysicalPixelVerticalDivider);
}
items.Add(new CupertinoButton(
child: new Text(text, style: CupertinoTextSelectionUtils._kToolbarButtonFontStyle),
color: CupertinoTextSelectionUtils._kToolbarBackgroundColor,
minSize: CupertinoTextSelectionUtils._kToolbarHeight,
padding: CupertinoTextSelectionUtils._kToolbarButtonPadding.add(arrowPadding),
borderRadius: null,
pressedOpacity: 0.7f,
onPressed: () => onPressed(_delegate)
));
}
addToolbarButtonIfNeeded(localizations.cutButtonLabel, canCut, handleCut);
addToolbarButtonIfNeeded(localizations.copyButtonLabel, canCopy, handleCopy);
addToolbarButtonIfNeeded(localizations.pasteButtonLabel, canPaste, handlePaste);
addToolbarButtonIfNeeded(localizations.selectAllButtonLabel, canSelectAll, handleSelectAll);
return(new CupertinoTextSelectionToolbar(
barTopY: localBarTopY + globalEditableRegion.top,
arrowTipX: arrowTipX,
isArrowPointingDown: isArrowPointingDown,
child: items.isEmpty() ? null : new DecoratedBox(
decoration: new BoxDecoration(color: CupertinoTextSelectionUtils._kToolbarDividerColor),
child: new Row(mainAxisSize: MainAxisSize.min, children: items)
)
));
}
public override Widget build(BuildContext context)
{
MediaQueryData mediaQueryData = MediaQuery.of(context);
D.assert(this.animation != null);
ThemeData theme = Theme.of(context);
ThemeData darkTheme = new ThemeData(
brightness: Brightness.dark,
accentColor: theme.accentColor,
accentColorBrightness: theme.accentColorBrightness
);
List <Widget> children = new List <Widget> {
new SizedBox(width: SnackBarUtils._kSnackBarPadding),
new Expanded(
child: new Container(
padding: EdgeInsets.symmetric(vertical: SnackBarUtils._kSingleLineVerticalPadding),
child: new DefaultTextStyle(
style: darkTheme.textTheme.subhead,
child: this.content)
)
)
};
if (this.action != null)
{
children.Add(ButtonTheme.bar(
padding: EdgeInsets.symmetric(horizontal: SnackBarUtils._kSnackBarPadding),
textTheme: ButtonTextTheme.accent,
child: this.action
));
}
else
{
children.Add(new SizedBox(width: SnackBarUtils._kSnackBarPadding));
}
CurvedAnimation heightAnimation =
new CurvedAnimation(parent: this.animation, curve: SnackBarUtils._snackBarHeightCurve);
CurvedAnimation fadeAnimation = new CurvedAnimation(parent: this.animation,
curve: SnackBarUtils._snackBarFadeCurve, reverseCurve: new Threshold(0.0f));
Widget snackbar = new SafeArea(
top: false,
child: new Row(
children: children,
crossAxisAlignment: CrossAxisAlignment.center
)
);
snackbar = new Dismissible(
key: Key.key("dismissible"),
direction: DismissDirection.down,
resizeDuration: null,
onDismissed: (DismissDirection? direction) => {
Scaffold.of(context).removeCurrentSnackBar(reason: SnackBarClosedReason.swipe);
},
child: new Material(
elevation: 6.0f,
color: this.backgroundColor ?? SnackBarUtils._kSnackBackground,
child: new Theme(
data: darkTheme,
child: mediaQueryData.accessibleNavigation
? snackbar
: new FadeTransition(
opacity: fadeAnimation,
child: snackbar
)
)
)
);
return(new ClipRect(
child: mediaQueryData.accessibleNavigation
? snackbar
: new AnimatedBuilder(
animation: heightAnimation,
builder: (BuildContext subContext, Widget child) => {
return new Align(
alignment: Alignment.topLeft,
heightFactor: heightAnimation.value,
child: child
);
},
child: snackbar
)
));
}
public override Widget build(BuildContext context)
{
List <Widget> stacked = new List <Widget> {
};
MediaQueryData existingMediaQuery = MediaQuery.of(context);
MediaQueryData newMediaQuery = MediaQuery.of(context);
Widget content = new _TabSwitchingView(
currentTabIndex: _controller.index,
tabNumber: widget.tabBar.items.Count,
tabBuilder: widget.tabBuilder
);
EdgeInsets contentPadding = EdgeInsets.zero;
if (widget.resizeToAvoidBottomInset)
{
newMediaQuery = newMediaQuery.removeViewInsets(removeBottom: true);
contentPadding = EdgeInsets.only(bottom: existingMediaQuery.viewInsets.bottom);
}
if (widget.tabBar != null &&
(!widget.resizeToAvoidBottomInset ||
widget.tabBar.preferredSize.height > existingMediaQuery.viewInsets.bottom))
{
float bottomPadding = widget.tabBar.preferredSize.height + existingMediaQuery.padding.bottom;
if (widget.tabBar.opaque(context))
{
contentPadding = EdgeInsets.only(bottom: bottomPadding);
newMediaQuery = newMediaQuery.removePadding(removeBottom: true);
}
else
{
newMediaQuery = newMediaQuery.copyWith(
padding: newMediaQuery.padding.copyWith(
bottom: bottomPadding
)
);
}
}
content = new MediaQuery(
data: newMediaQuery,
child: new Padding(
padding: contentPadding,
child: content
)
);
stacked.Add(content);
stacked.Add(
new MediaQuery(
data: existingMediaQuery.copyWith(textScaleFactor: 1),
child: new Align(
alignment: Alignment.bottomCenter,
child: widget.tabBar.copyWith(
currentIndex: _controller.index,
onTap: (int newIndex) => {
_controller.index = newIndex;
if (widget.tabBar.onTap != null)
{
widget.tabBar.onTap(newIndex);
}
}
)
)
)
);
return(new DecoratedBox(
decoration: new BoxDecoration(
color: CupertinoDynamicColor.resolve(widget.backgroundColor, context)
?? CupertinoTheme.of(context).scaffoldBackgroundColor
),
child: new Stack(
children: stacked
)
));
}
public override Widget build(BuildContext context)
{
Widget paddedContent = widget.child;
MediaQueryData existingMediaQuery = MediaQuery.of(context);
if (widget.navigationBar != null)
{
float topPadding = widget.navigationBar.preferredSize.height + existingMediaQuery.padding.top;
float bottomPadding = widget.resizeToAvoidBottomInset
? existingMediaQuery.viewInsets.bottom
: 0.0f;
EdgeInsets newViewInsets = widget.resizeToAvoidBottomInset
? existingMediaQuery.viewInsets.copyWith(bottom: 0.0f)
: existingMediaQuery.viewInsets;
bool fullObstruction = widget.navigationBar.shouldFullyObstruct(context);
if (fullObstruction == true)
{
paddedContent = new MediaQuery(
data: existingMediaQuery
.removePadding(removeTop: true)
.copyWith(
viewInsets: newViewInsets
),
child: new Padding(
padding: EdgeInsets.only(top: topPadding, bottom: bottomPadding),
child: paddedContent
)
);
}
else
{
paddedContent = new MediaQuery(
data: existingMediaQuery.copyWith(
padding: existingMediaQuery.padding.copyWith(
top: topPadding
),
viewInsets: newViewInsets
),
child: new Padding(
padding: EdgeInsets.only(bottom: bottomPadding),
child: paddedContent
)
);
}
}
else
{
float bottomPadding = widget.resizeToAvoidBottomInset
? existingMediaQuery.viewInsets.bottom
: 0.0f;
paddedContent = new Padding(
padding: EdgeInsets.only(bottom: bottomPadding),
child: paddedContent
);
}
List <Widget> childrenWigets = new List <Widget>();
childrenWigets.Add(new PrimaryScrollController(
controller: _primaryScrollController,
child: paddedContent
));
if (widget.navigationBar != null)
{
childrenWigets.Add(new Positioned(
top: 0.0f,
left: 0.0f,
right: 0.0f,
child: new MediaQuery(
data: existingMediaQuery.copyWith(textScaleFactor: 1),
child: widget.navigationBar
)
));
}
childrenWigets.Add(new Positioned(
top: 0.0f,
left: 0.0f,
right: 0.0f,
height: existingMediaQuery.padding.top,
child: new GestureDetector(
onTap: _handleStatusBarTap
)
));
return(new DecoratedBox(
decoration: new BoxDecoration(
color: CupertinoDynamicColor.resolve(widget.backgroundColor, context)
?? CupertinoTheme.of(context).scaffoldBackgroundColor
),
child: new Stack(
children: childrenWigets)));
}