TextStyle _titleTextStyle(ThemeData theme, ListTileTheme tileTheme)
{
TextStyle style = null;
if (tileTheme != null)
{
switch (tileTheme.style)
{
case ListTileStyle.drawer:
style = theme.textTheme.body2;
break;
case ListTileStyle.list:
style = theme.textTheme.subhead;
break;
}
}
else
{
style = theme.textTheme.subhead;
}
Color color = this._textColor(theme, tileTheme, style.color);
return(this._isDenseLayout(tileTheme)
? style.copyWith(fontSize: 13.0f, color: color)
: style.copyWith(color: color));
}
public static Widget merge(
Key key = null,
bool?dense = null,
ListTileStyle?style = null,
Color selectedColor = null,
Color iconColor = null,
Color textColor = null,
EdgeInsets contentPadding = null,
Widget child = null)
{
D.assert(child != null);
return(new Builder(
builder: (BuildContext context) => {
ListTileTheme parent = of(context);
return new ListTileTheme(
key: key,
dense: dense ?? parent.dense,
style: style ?? parent.style,
selectedColor: selectedColor ?? parent.selectedColor,
iconColor: iconColor ?? parent.iconColor,
textColor: textColor ?? parent.textColor,
contentPadding: contentPadding ?? parent.contentPadding,
child: child);
}
));
}
Color _textColor(ThemeData theme, ListTileTheme tileTheme, Color defaultColor)
{
if (!this.enabled)
{
return(theme.disabledColor);
}
if (this.selected && tileTheme?.selectedColor != null)
{
return(tileTheme.selectedColor);
}
if (!this.selected && tileTheme?.textColor != null)
{
return(tileTheme.textColor);
}
if (this.selected)
{
switch (theme.brightness)
{
case Brightness.light:
return(theme.primaryColor);
case Brightness.dark:
return(theme.accentColor);
}
}
return(defaultColor);
}
Widget _buildChildren(BuildContext context, Widget child)
{
Color borderSideColor = this._borderColor.value ?? Colors.transparent;
return(new Container(
decoration: new BoxDecoration(
color: this._backgroundColor.value ?? Colors.transparent,
border: new Border(
top: new BorderSide(color: borderSideColor),
bottom: new BorderSide(color: borderSideColor))),
child: new Column(
mainAxisSize: MainAxisSize.min,
children: new List <Widget> {
ListTileTheme.merge(
iconColor: this._iconColor.value,
textColor: this._headerColor.value,
child: new ListTile(
onTap: this._handleTap,
leading: this.widget.leading,
title: this.widget.title,
trailing: this.widget.trailing ?? new RotationTransition(
turns: this._iconTurns,
child: new Icon(Icons.expand_more)
)
)
),
new ClipRect(
child: new Align(
heightFactor: this._heightFactor.value,
child: child)
)
}
)
));
}
Color _iconColor(ThemeData theme, ListTileTheme tileTheme)
{
if (!this.enabled)
{
return(theme.disabledColor);
}
if (this.selected && tileTheme?.selectedColor != null)
{
return(tileTheme.selectedColor);
}
if (!this.selected && tileTheme?.iconColor != null)
{
return(tileTheme.iconColor);
}
switch (theme.brightness)
{
case Brightness.light:
return(this.selected ? theme.primaryColor : Colors.black45);
case Brightness.dark:
return(this.selected ? theme.accentColor : null);
}
return(null);
}
TextStyle _subtitleTextStyle(ThemeData theme, ListTileTheme tileTheme)
{
TextStyle style = theme.textTheme.body1;
Color color = this._textColor(theme, tileTheme, theme.textTheme.caption.color);
return(this._isDenseLayout(tileTheme)
? style.copyWith(color: color, fontSize: 12.0f)
: style.copyWith(color: color));
}
public override bool updateShouldNotify(InheritedWidget oldWidget)
{
ListTileTheme _oldWidget = (ListTileTheme)oldWidget;
return(this.dense != _oldWidget.dense ||
this.style != _oldWidget.style ||
this.selectedColor != _oldWidget.selectedColor ||
this.iconColor != _oldWidget.iconColor ||
this.textColor != _oldWidget.textColor ||
this.contentPadding != _oldWidget.contentPadding);
}
public override Widget build(BuildContext context)
{
Widget control = null;
switch (_switchListTileType)
{
case _SwitchListTileType.adaptive:
control = Switch.adaptive(
value: value,
onChanged: onChanged,
activeColor: activeColor,
activeThumbImage: activeThumbImage,
inactiveThumbImage: inactiveThumbImage,
materialTapTargetSize: MaterialTapTargetSize.shrinkWrap,
activeTrackColor: activeTrackColor,
inactiveTrackColor: inactiveTrackColor,
inactiveThumbColor: inactiveThumbColor
);
break;
case _SwitchListTileType.material:
control = new Switch(
value: value,
onChanged: onChanged,
activeColor: activeColor,
activeThumbImage: activeThumbImage,
inactiveThumbImage: inactiveThumbImage,
materialTapTargetSize: MaterialTapTargetSize.shrinkWrap,
activeTrackColor: activeTrackColor,
inactiveTrackColor: inactiveTrackColor,
inactiveThumbColor: inactiveThumbColor
);
break;
}
return(ListTileTheme.merge(
selectedColor: activeColor ?? Theme.of(context).accentColor,
child: new ListTile(
leading: secondary,
title: title,
subtitle: subtitle,
trailing: control,
isThreeLine: isThreeLine,
dense: dense,
contentPadding: contentPadding,
enabled: onChanged != null,
onTap: onChanged != null ? () => { onChanged(!value); } : (GestureTapCallback)null,
selected: selected
)
));
}
public override Widget wrap(BuildContext context, Widget child)
{
ListTileTheme ancestorTheme = context.findAncestorWidgetOfExactType <ListTileTheme>();
return(ReferenceEquals(this, ancestorTheme)
? child
: new ListTileTheme(
dense: dense,
style: style,
selectedColor: selectedColor,
iconColor: iconColor,
textColor: textColor,
contentPadding: contentPadding,
child: child
));
}
public override Widget build(BuildContext context)
{
Widget control = new Checkbox(
value: value,
onChanged: onChanged,
activeColor: activeColor,
checkColor: checkColor,
materialTapTargetSize: MaterialTapTargetSize.shrinkWrap
);
Widget leading = null;
Widget trailing = null;
switch (controlAffinity)
{
case ListTileControlAffinity.leading:
leading = control;
trailing = secondary;
break;
case ListTileControlAffinity.trailing:
case ListTileControlAffinity.platform:
leading = secondary;
trailing = control;
break;
}
return(ListTileTheme.merge(
selectedColor: activeColor ?? Theme.of(context).accentColor,
child: new ListTile(
leading: leading,
title: title,
subtitle: subtitle,
trailing: trailing,
isThreeLine: isThreeLine,
dense: dense,
enabled: onChanged != null,
onTap: onChanged != null ? () => { onChanged(!value); } : (GestureTapCallback)null,
selected: selected
)
));
}
public static ListTileTheme of(BuildContext context)
{
ListTileTheme result = (ListTileTheme)context.inheritFromWidgetOfExactType(typeof(ListTileTheme));
return(result ?? new ListTileTheme());
}
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
)
)
));
}
bool _isDenseLayout(ListTileTheme tileTheme)
{
return(this.dense != null ? this.dense ?? false : (tileTheme?.dense ?? false));
}
public static ListTileTheme of(BuildContext context)
{
ListTileTheme result = context.dependOnInheritedWidgetOfExactType <ListTileTheme>();
return(result ?? new ListTileTheme());
}
bool _isDenseLayout(ListTileTheme tileTheme)
{
return(dense ?? tileTheme?.dense ?? false);
}
