public _RenderSlider(
float?value = null,
int?divisions = null,
string label = null,
SliderThemeData sliderTheme = null,
MediaQueryData mediaQueryData = null,
RuntimePlatform?platform = null,
ValueChanged <float> onChanged = null,
ValueChanged <float> onChangeStart = null,
ValueChanged <float> onChangeEnd = null,
_SliderState state = null,
TextDirection?textDirection = null
)
{
D.assert(value != null && value >= 0.0 && value <= 1.0);
D.assert(state != null);
D.assert(textDirection != null);
this.onChangeStart = onChangeStart;
this.onChangeEnd = onChangeEnd;
_platform = platform;
_label = label;
_value = value.Value;
_divisions = divisions;
_sliderTheme = sliderTheme;
_mediaQueryData = mediaQueryData;
_onChanged = onChanged;
_state = state;
_textDirection = textDirection.Value;
_updateLabelPainter();
GestureArenaTeam team = new GestureArenaTeam();
_drag = new HorizontalDragGestureRecognizer {
team = team,
onStart = _handleDragStart,
onUpdate = _handleDragUpdate,
onEnd = _handleDragEnd,
onCancel = _endInteraction
};
_tap = new TapGestureRecognizer {
team = team,
onTapDown = _handleTapDown,
onTapUp = _handleTapUp,
onTapCancel = _endInteraction
};
_overlayAnimation = new CurvedAnimation(
parent: _state.overlayController,
curve: Curves.fastOutSlowIn);
_valueIndicatorAnimation = new CurvedAnimation(
parent: _state.valueIndicatorController,
curve: Curves.fastOutSlowIn);
_enableAnimation = new CurvedAnimation(
parent: _state.enableController,
curve: Curves.easeInOut);
}
public override void initState()
{
base.initState();
GestureArenaTeam team = new GestureArenaTeam();
longPress.team = team;
drag.team = team;
team.captain = drag;
_highlighted = widget.groupValue;
thumbController = new AnimationController(
duration: CupertinoSlidingSegmentedControlsUtils._kSpringAnimationDuration,
value: 0,
vsync: this
);
thumbScaleController = new AnimationController(
duration: CupertinoSlidingSegmentedControlsUtils._kSpringAnimationDuration,
value: 1,
vsync: this
);
separatorOpacityController = new AnimationController(
duration: CupertinoSlidingSegmentedControlsUtils._kSpringAnimationDuration,
value: 0,
vsync: this
);
foreach (T currentKey in widget.children.Keys)
{
_highlightControllers[currentKey] = _createHighlightAnimationController(
isCompleted: currentKey.Equals(widget.groupValue) // Highlight the current selection.
);
_pressControllers[currentKey] = _createFadeoutAnimationController();
}
}
public _RenderRangeSlider(
RangeValues values,
int?divisions,
RangeLabels labels,
SliderThemeData sliderTheme,
ThemeData theme,
float textScaleFactor,
RuntimePlatform platform,
ValueChanged <RangeValues> onChanged,
ValueChanged <RangeValues> onChangeStart,
ValueChanged <RangeValues> onChangeEnd,
_RangeSliderState state,
TextDirection?textDirection)
{
D.assert(values != null);
D.assert(values.start >= 0.0 && values.start <= 1.0);
D.assert(values.end >= 0.0 && values.end <= 1.0);
D.assert(state != null);
D.assert(textDirection != null);
this.onChangeStart = onChangeStart;
this.onChangeEnd = onChangeEnd;
_platform = platform;
_labels = labels;
_values = values;
_divisions = divisions;
_sliderTheme = sliderTheme;
_theme = theme;
_textScaleFactor = textScaleFactor;
_onChanged = onChanged;
_state = state;
_textDirection = textDirection;
_updateLabelPainters();
GestureArenaTeam team = new GestureArenaTeam();
_drag = new HorizontalDragGestureRecognizer();
_drag.team = team;
_drag.onStart = _handleDragStart;
_drag.onUpdate = _handleDragUpdate;
_drag.onEnd = _handleDragEnd;
_drag.onCancel = _handleDragCancel;
_tap = new TapGestureRecognizer();
_tap.team = team;
_tap.onTapDown = _handleTapDown;
_tap.onTapUp = _handleTapUp;
_tap.onTapCancel = _handleTapCancel;
_overlayAnimation = new CurvedAnimation(
parent: _state.overlayController,
curve: Curves.fastOutSlowIn
);
_valueIndicatorAnimation = new CurvedAnimation(
parent: _state.valueIndicatorController,
curve: Curves.fastOutSlowIn
);
_enableAnimation = new CurvedAnimation(
parent: _state.enableController,
curve: Curves.easeInOut
);
}
