public override Widget build(BuildContext context)
{
return(new Icon(_getIconData(Theme.of(context).platform)));
}
public override Widget build(BuildContext context)
{
D.assert(MaterialD.debugCheckHasMaterial(context));
ThemeData theme = Theme.of(context);
ListTileTheme tileTheme = ListTileTheme.of(context);
IconThemeData iconThemeData = null;
if (this.leading != null || this.trailing != null)
{
iconThemeData = new IconThemeData(color: this._iconColor(theme, tileTheme));
}
Widget leadingIcon = null;
if (this.leading != null)
{
leadingIcon = IconTheme.merge(
data: iconThemeData,
child: this.leading);
}
TextStyle titleStyle = this._titleTextStyle(theme, tileTheme);
Widget titleText = new AnimatedDefaultTextStyle(
style: titleStyle,
duration: Constants.kThemeChangeDuration,
child: this.title ?? new SizedBox()
);
Widget subtitleText = null;
TextStyle subtitleStyle = null;
if (this.subtitle != null)
{
subtitleStyle = this._subtitleTextStyle(theme, tileTheme);
subtitleText = new AnimatedDefaultTextStyle(
style: subtitleStyle,
duration: Constants.kThemeChangeDuration,
child: this.subtitle);
}
Widget trailingIcon = null;
if (this.trailing != null)
{
trailingIcon = IconTheme.merge(
data: iconThemeData,
child: this.trailing);
}
EdgeInsets _defaultContentPadding = EdgeInsets.symmetric(horizontal: 16.0f);
EdgeInsets resolvedContentPadding =
this.contentPadding ?? tileTheme?.contentPadding ?? _defaultContentPadding;
return(new InkWell(
onTap: this.enabled ? this.onTap : null,
onLongPress: this.enabled ? this.onLongPress : null,
child: new SafeArea(
top: false,
bottom: false,
mininum: resolvedContentPadding,
child: new _ListTile(
leading: leadingIcon,
title: titleText,
subtitle: subtitleText,
trailing: trailingIcon,
isDense: this._isDenseLayout(tileTheme),
isThreeLine: this.isThreeLine,
titleBaselineType: titleStyle.textBaseline,
subtitleBaselineType: subtitleStyle?.textBaseline
)
)
));
}
public static DialogTheme of(BuildContext context)
{
return(Theme.of(context).dialogTheme);
}
List <Widget> _createTiles()
{
MaterialLocalizations localizations = MaterialLocalizations.of(context);
D.assert(localizations != null);
ThemeData themeData = Theme.of(context);
TextStyle effectiveSelectedLabelStyle =
_effectiveTextStyle(widget.selectedLabelStyle, widget.selectedFontSize);
TextStyle effectiveUnselectedLabelStyle =
_effectiveTextStyle(widget.unselectedLabelStyle, widget.unselectedFontSize);
Color themeColor;
switch (themeData.brightness)
{
case Brightness.light:
themeColor = themeData.primaryColor;
break;
case Brightness.dark:
themeColor = themeData.accentColor;
break;
default:
throw new Exception("Unknown brightness: " + themeData.brightness);
}
ColorTween colorTween;
switch (widget.type)
{
case BottomNavigationBarType.fix:
colorTween = new ColorTween(
begin: widget.unselectedItemColor ?? themeData.textTheme.caption.color,
end: widget.selectedItemColor ?? widget.fixedColor ?? themeColor
);
break;
case BottomNavigationBarType.shifting:
colorTween = new ColorTween(
begin: widget.unselectedItemColor ?? Colors.white,
end: widget.selectedItemColor ?? Colors.white
);
break;
default:
throw new UIWidgetsError($"Unknown bottom navigation bar type: {widget.type}");
}
List <Widget> tiles = new List <Widget>();
for (int i = 0; i < widget.items.Count; i++)
{
int index = i;
tiles.Add(new _BottomNavigationTile(
widget.type,
widget.items[i],
_animations[i],
widget.iconSize,
selectedIconTheme: widget.selectedIconTheme,
unselectedIconTheme: widget.unselectedIconTheme,
selectedLabelStyle: effectiveSelectedLabelStyle,
unselectedLabelStyle: effectiveUnselectedLabelStyle,
onTap: () => {
if (widget.onTap != null)
{
widget.onTap(index);
}
},
colorTween: colorTween,
flex: _evaluateFlex(_animations[i]),
selected: i == widget.currentIndex,
showSelectedLabels: widget.showSelectedLabels,
showUnselectedLabels: widget.showUnselectedLabels,
indexLabel: localizations.tabLabel(tabIndex: i + 1, tabCount: widget.items.Count)
));
}
return(tiles);
}