public async void SetState(TabLayoutType tabLayoutType)
{
await Helper.RunOnUI(() =>
{
_ = VisualStateManager.GoToState(this, tabLayoutType.ToString(), useTransitions: true);
});
}
/// <summary>
/// 初始化就需要觉得TabContainer的类型
/// 这里涉及到后面TabItem的具体排序规则
/// </summary>
/// <param name="type">Type.</param>
public TabContainer(TabLayoutType type, RectTransform tabContainerTrm)
{
this.type = type;
rectTrm = tabContainerTrm;
if (null == TabItemDic)
{
TabItemDic = new Dictionary <string, TabItem> ();
}
}
private async void OnFrameworkElementTapped(object sender, TappedRoutedEventArgs e)
{
if (sender is ContentPresenter contentPresenter)
{
var tag = contentPresenter.Tag.ToString();
switch (_tabLayoutType)
{
case TabLayoutType.Item1ContentState:
Item1VerticalOffset = MainScrollViewer.VerticalOffset;
break;
case TabLayoutType.Item2ContentState:
Item2VerticalOffset = MainScrollViewer.VerticalOffset;
break;
case TabLayoutType.Item3ContentState:
Item3VerticalOffset = MainScrollViewer.VerticalOffset;
break;
case TabLayoutType.Item4ContentState:
Item4VerticalOffset = MainScrollViewer.VerticalOffset;
break;
case TabLayoutType.Item5ContentState:
Item5VerticalOffset = MainScrollViewer.VerticalOffset;
break;
case TabLayoutType.Item6ContentState:
Item6VerticalOffset = MainScrollViewer.VerticalOffset;
break;
default:
break;
}
await Task.Delay(100).ConfigureAwait(false);
_tabLayoutType = (TabLayoutType)Enum.Parse(typeof(TabLayoutType), tag);
SetState(_tabLayoutType);
await Task.Delay(100).ConfigureAwait(false);
switch (_tabLayoutType)
{
case TabLayoutType.Item1ContentState:
if (Item1VerticalOffset > 0)
{
ScrollToVerticalOffset(Item1VerticalOffset);
}
if (!Item1Init)
{
RefreshAction1?.Invoke();
Item1Init = true;
}
break;
case TabLayoutType.Item2ContentState:
if (Item2VerticalOffset > 0)
{
ScrollToVerticalOffset(Item2VerticalOffset);
}
if (!Item2Init)
{
RefreshAction2?.Invoke();
Item2Init = true;
}
break;
case TabLayoutType.Item3ContentState:
if (Item3VerticalOffset > 0)
{
ScrollToVerticalOffset(Item3VerticalOffset);
}
if (!Item3Init)
{
RefreshAction3?.Invoke();
Item3Init = true;
}
break;
case TabLayoutType.Item4ContentState:
if (Item4VerticalOffset > 0)
{
ScrollToVerticalOffset(Item4VerticalOffset);
}
if (!Item4Init)
{
RefreshAction4?.Invoke();
Item4Init = true;
}
break;
case TabLayoutType.Item5ContentState:
if (Item5VerticalOffset > 0)
{
ScrollToVerticalOffset(Item5VerticalOffset);
}
if (!Item5Init)
{
RefreshAction5?.Invoke();
Item5Init = true;
}
break;
case TabLayoutType.Item6ContentState:
if (Item6VerticalOffset > 0)
{
ScrollToVerticalOffset(Item6VerticalOffset);
}
if (!Item6Init)
{
RefreshAction6?.Invoke();
Item6Init = true;
}
break;
default:
break;
}
}
async void ScrollToVerticalOffset(double offset)
{
await Helper.RunOnUI(() =>
{
MainScrollViewer.ScrollToVerticalOffset(offset);
});
}
}
