public override void initState()
{
base.initState();
StatusBarManager.statusBarStyle(false);
this._selectedIndex = 1;
this._tabController = new CustomTabController(2, this, initialIndex: this._selectedIndex);
this._navBarHeight = CustomAppBarUtil.appBarHeight;
this._isRefresh = false;
this._recommendArticlePixels = 0;
this._followArticlePixels = 0;
this._loginSubId = EventBus.subscribe(sName: EventBusConstant.login_success, args => {
if (this._selectedIndex != 1)
{
this._selectedIndex = 1;
this._tabController.animateTo(value: this._selectedIndex);
}
});
this._logoutSubId = EventBus.subscribe(sName: EventBusConstant.logout_success, args => {
if (this._selectedIndex != 1)
{
this._selectedIndex = 1;
this._tabController.animateTo(value: this._selectedIndex);
}
});
}
public override void initState()
{
base.initState();
this._emojiTabController = new CustomTabController(
(emojiList.Count - 1) / emojiBoardPageSize + 1,
this
);
}
Widget _buildTabIndicator(
int tabIndex,
CustomTabController tabController,
ColorTween selectedColorTween,
ColorTween previousColorTween)
{
Color background;
if (tabController.indexIsChanging)
{
float t = 1.0f - CustomTabsUtils._indexChangeProgress(controller: tabController);
if (tabController.index == tabIndex)
{
background = selectedColorTween.lerp(t: t);
}
else if (tabController.previousIndex == tabIndex)
{
background = previousColorTween.lerp(t: t);
}
else
{
background = selectedColorTween.begin;
}
}
else
{
float offset = tabController.offset;
if (tabController.index == tabIndex)
{
background = selectedColorTween.lerp(1.0f - offset.abs());
}
else if (tabController.index == tabIndex - 1 && offset > 0.0)
{
background = selectedColorTween.lerp(t: offset);
}
else if (tabController.index == tabIndex + 1 && offset < 0.0)
{
background = selectedColorTween.lerp(t: -offset);
}
else
{
background = selectedColorTween.begin;
}
}
return(new CustomTabPageSelectorIndicator(
backgroundColor: background,
borderColor: background,
size: this.indicatorSize
));
}
public override Widget build(BuildContext context)
{
Color fixColor = this.color ?? CColors.Transparent;
Color fixSelectedColor = this.selectedColor ?? CColors.PrimaryBlue;
ColorTween selectedColorTween = new ColorTween(begin: fixColor, end: fixSelectedColor);
ColorTween previousColorTween = new ColorTween(begin: fixSelectedColor, end: fixColor);
CustomTabController tabController = this.controller;
D.assert(() => {
if (tabController == null)
{
throw new UIWidgetsError(
"No TabController for " + this.GetType() + ".\n" +
"When creating a " + this.GetType() + ", you must either provide an explicit TabController " +
"using the \"controller\" property, or you must ensure that there is a " +
"DefaultTabController above the " + this.GetType() + ".\n" +
"In this case, there was neither an explicit controller nor a default controller."
);
}
return(true);
});
Animation <float> animation = new CurvedAnimation(
parent: tabController.animation,
curve: Curves.fastOutSlowIn
);
return(new AnimatedBuilder(
animation: animation,
builder: (subContext, child) => {
List <Widget> children = new List <Widget>();
for (int tabIndex = 0; tabIndex < tabController.length; tabIndex++)
{
children.Add(this._buildTabIndicator(
tabIndex: tabIndex,
tabController: tabController,
selectedColorTween: selectedColorTween,
previousColorTween: previousColorTween)
);
}
return new Row(
mainAxisSize: MainAxisSize.min,
children: children
);
}
));
}
public CustomTabPageSelector(
Key key = null,
CustomTabController controller = null,
float indicatorSize = 12.0f,
Color color = null,
Color selectedColor = null
) : base(key: key)
{
D.assert(indicatorSize > 0.0f);
this.controller = controller;
this.indicatorSize = indicatorSize;
this.color = color;
this.selectedColor = selectedColor;
}
public override void initState()
{
base.initState();
this._currentIndex = this.widget.currentIndex;
this._controller = this.widget.controller
?? new CustomTabController(length: this.widget.children.Count, this);
this._controller.addListener(() => {
if (this._controller.index != this._currentIndex)
{
this._currentIndex = this._controller.index;
this.widget.onValueChanged?.Invoke(value: this._currentIndex);
}
});
this._controller.index = this.widget.currentIndex;
}
public override void initState()
{
base.initState();
StatusBarManager.statusBarStyle(true);
this._selectedIndex = this.widget.viewModel.initIndex;
this._tabController = new CustomTabController(
length: this.tabTitles.Count,
this,
initialIndex: this._selectedIndex
);
this._scrollController = new ScrollController();
this._isHaveTitle = true;
this._tabController.addListener(() => {
if (this._tabController.index != this._selectedIndex)
{
this.setState(() => this._selectedIndex = this._tabController.index);
}
});
LocalDataManager.markLeaderBoardUpdatedTime();
}
public override void initState()
{
base.initState();
StatusBarManager.statusBarStyle(false);
this._selectedIndex = 1;
this._tabController = new CustomTabController(2, this, initialIndex: this._selectedIndex);
this._titleFontSize = _maxTitleFontSize;
this._navBarHeight = _maxNavBarHeight;
this._loginSubId = EventBus.subscribe(sName: EventBusConstant.login_success, args => {
if (this._selectedIndex != 1)
{
this._selectedIndex = 1;
this._tabController.animateTo(value: this._selectedIndex);
}
});
this._logoutSubId = EventBus.subscribe(sName: EventBusConstant.logout_success, args => {
if (this._selectedIndex != 1)
{
this._selectedIndex = 1;
this._tabController.animateTo(value: this._selectedIndex);
}
});
}
public CustomSegmentedControl(
List <object> items,
List <Widget> children,
ValueChanged <int> onValueChanged = null,
int currentIndex = 0,
float headerHeight = 44,
Widget trailing = null,
Decoration headerDecoration = null,
Decoration indicator = null,
EdgeInsets headerPadding = null,
EdgeInsets labelPadding = null,
float?indicatorWidth = null,
Color unselectedColor = null,
Color selectedColor = null,
TextStyle unselectedTextStyle = null,
TextStyle selectedTextStyle = null,
CustomTabController controller = null,
ScrollPhysics physics = null,
ValueChanged <int> onTap = null,
Key key = null
) : base(key: key)
{
D.assert(items != null);
D.assert(items.Count >= 2);
D.assert(children != null);
D.assert(children.Count >= 2);
D.assert(children.Count == items.Count);
D.assert(currentIndex < children.Count);
this.items = items;
this.children = children;
this.onValueChanged = onValueChanged;
this.unselectedColor = unselectedColor ?? CColors.TextTitle;
this.selectedColor = selectedColor ?? CColors.PrimaryBlue;
this.currentIndex = currentIndex;
this.headerHeight = headerHeight;
this.trailing = trailing;
this.headerDecoration = headerDecoration ?? new BoxDecoration(
color: CColors.White,
border: new Border(bottom: new BorderSide(color: CColors.Separator2))
);
this.indicator = indicator ?? new CustomUnderlineTabIndicator(
insets: EdgeInsets.zero,
borderSide: new BorderSide(width: 2, color: CColors.PrimaryBlue)
);
this.headerPadding = headerPadding ?? EdgeInsets.zero;
this.labelPadding = labelPadding ?? EdgeInsets.symmetric(horizontal: 16, vertical: 10);
this.indicatorWidth = indicatorWidth;
this.unselectedTextStyle = unselectedTextStyle ?? new TextStyle(
fontSize: 16,
fontFamily: "Roboto-Regular",
color: this.unselectedColor
);
this.selectedTextStyle = selectedTextStyle ?? new TextStyle(
fontSize: 16,
fontFamily: "Roboto-Medium",
color: this.unselectedColor
);
this.controller = controller;
this.physics = physics;
this.onTap = onTap;
}