private void grid_Tapped(object sender, TappedRoutedEventArgs e)
{
NavigationRootPage rootPage = Window.Current.Content as NavigationRootPage;
if (rootPage != null)
{
Frame rootFrame = (Frame)rootPage.FindName("rootFrame");
if (rootFrame != null)
{
Page page = rootFrame.Content as Page;
if (page != null)
{
ListView szListView = page.FindName("szListView") as ListView;
if (szListView != null)
{
var scroll = VisualTreeHelperEx.FindVisualChildByName <ScrollViewer>(szListView, "ScrollViewer");
if (scroll != null)
{
scroll.ScrollToVerticalOffset(0);
}
}
}
}
}
}
public Grid GetCurrentAnimationGrid()
{
NavigationRootPage rootPage = Window.Current.Content as NavigationRootPage;
if (rootPage != null)
{
Frame rootFrame = (Frame)rootPage.FindName("rootFrame");
if (rootFrame != null)
{
Grid grid = VisualTreeHelperEx.FindVisualChildByName <Grid>(rootFrame.Content as Page, "AnimationGrid");
if (grid != null)
{
return(grid);
}
else
{
return(null);
}
}
else
{
return(null);
}
}
else
{
return(null);
}
}
//static ICommand listViewLoadMoreCommand;
private static void element_Loaded(object sender, RoutedEventArgs e)
{
var d = sender as FrameworkElement;
var scroll = VisualTreeHelperEx.FindVisualChildByName <ScrollViewer>(d, "ScrollViewer");
if (scroll != null)
{
//var scrollBar = VisualTreeHelperEx.FindVisualChildByName<ScrollBar>(scroll, "VerticalScrollBar");
//if (scrollBar != null)
//{
// scrollBar.Foreground = new SolidColorBrush(Color.FromArgb(255, 176, 14, 37));
// //Application.Current.Resources["PhoneAccentBrush"] as SolidColorBrush;
//}
var command = GetLoadMoreCommand(d);
if (command != null)
{
//scroll.ViewChanged -= Scroll_ViewChanged;
scroll.ViewChanged += (s, a) =>
{
ViewModelLocator.Instance.ListViewScroll();
ViewModelLocator.Instance.FavoriteOrDownloadListViewScroll();
//Debug.WriteLine("scroll.VerticalOffset : " + scroll.VerticalOffset + "scroll.ScrollableHeight : " + scroll.ScrollableHeight + " scroll.ScrollableHeight - 0.5 : " + (scroll.ScrollableHeight - 0.5));
if (scroll.VerticalOffset >= scroll.ScrollableHeight)
{
//if (!next)
//{
//next = true;
if (command.CanExecute(null))
{
command.Execute(null);
}
// }
//else
//{
//next = false;
//}
}
};
}
}
}
//static ICommand listViewLoadMoreCommand;
private static void myElement_Loaded(object sender, RoutedEventArgs e)
{
var d = sender as FrameworkElement;
var scroll = VisualTreeHelperEx.FindVisualChildByName <ScrollViewer>(d, "ScrollViewer");
if (scroll != null)
{
var command = GetScrollCommand(d);
if (command != null)
{
//scroll.ViewChanged -= Scroll_ViewChanged;
scroll.ViewChanged += (s, a) =>
{
if (command.CanExecute(null))
{
command.Execute(null);
}
};
}
}
}
public async void OnNavigatedTo(NavigationEventArgs e)
{
//一定要写在执行动画前面，这样就能Pivot设定好选择索引之后再显示Pivot
if (e.SourcePageType == typeof(ChampionPage) || e.SourcePageType == typeof(ActPage) || e.SourcePageType == typeof(PlayPage) || e.SourcePageType == typeof(TeachPage) || e.SourcePageType == typeof(OfficialPage) || e.SourcePageType == typeof(SuperPage))
{
Pivot p = VisualTreeHelperEx.FindVisualChildByName <Pivot>(e.Content as DependencyObject, "pi");
if (p != null)
{
//New模式表明是从首页来的
if (e.NavigationMode == NavigationMode.New)
{
//这句话是在New的方式进入到NewsListPage的时候正确定位Pivot的Item的Index
p.SelectedIndex = DicStore.GetValueOrDefault <int>(AppCommonConst.CUR_PIVOT_SELECTED_INDEX, 0);
}
//back说明是返回的，从其他页面返回，此时应当回到进入其他页面之前的Pivot的Item的索引值
else
{
//p.SelectedIndex = DicStore.GetValueOrDefault<int>(AppCommonConst.CUR_PIVOT_SELECTED_INDEX, 0);
}
}
}
var animationGrid = CommonHelper.Instance.GetCurrentAnimationGrid();
if (e.NavigationMode == NavigationMode.Back)
{
if (animationGrid != null)
{
if (AppEnvironment.IsPhone)
{
await animationGrid.AnimateAsync(new FadeInUpAnimation()
{
Distance = 400, Duration = 0.25
});
}
else
{
await animationGrid.AnimateAsync(new FadeInRightAnimation()
{
Duration = 0.13, Distance = 600
});
}
}
}
var frameState = SuspensionManager.SessionStateForFrame(this.Frame);
this._pageKey = "Page-" + this.Frame.BackStackDepth;
if (e.NavigationMode == NavigationMode.New)
{
// Clear existing state for forward navigation when adding a new page to the
// navigation stack
var nextPageKey = this._pageKey;
int nextPageIndex = this.Frame.BackStackDepth;
while (frameState.Remove(nextPageKey))
{
nextPageIndex++;
nextPageKey = "Page-" + nextPageIndex;
}
// Pass the navigation parameter to the new page
if (this.LoadState != null)
{
this.LoadState(this, new LoadStateEventArgs(e.Parameter, null));
}
}
else
{
// Pass the navigation parameter and preserved page state to the page, using
// the same strategy for loading suspended state and recreating pages discarded
// from cache
if (this.LoadState != null)
{
this.LoadState(this, new LoadStateEventArgs(e.Parameter, (Dictionary <String, Object>)frameState[this._pageKey]));
}
}
if (animationGrid != null)
{
if (e.NavigationMode == NavigationMode.New)
{
if (e.SourcePageType != typeof(NewsDetailPage))
{
//对非类别基页的进入动画
if (e.SourcePageType == typeof(ChampionPage) || e.SourcePageType == typeof(ActPage) || e.SourcePageType == typeof(PlayPage) || e.SourcePageType == typeof(TeachPage) || e.SourcePageType == typeof(OfficialPage) || e.SourcePageType == typeof(SuperPage))
{
if (AppEnvironment.IsPhone)
{
await animationGrid.AnimateAsync(new FadeInDownAnimation()
{
Distance = 250, Duration = 0.3
});
}
else
{
await animationGrid.AnimateAsync(new FadeInLeftAnimation()
{
Duration = 0.13, Distance = 600
});
}
}
//这里是类别切换进入动画
else
{
if (e.SourcePageType != typeof(MapPage) && e.SourcePageType != typeof(EncyPage))
{
if (AppEnvironment.IsPhone)
{
await animationGrid.AnimateAsync(new FadeInLeftAnimation()
{
Duration = 0.25, Distance = 400
});
}
else
{
await animationGrid.AnimateAsync(new FadeInLeftAnimation()
{
Duration = 0.13, Distance = 600
});
}
}
}
}
}
else if (e.NavigationMode == NavigationMode.Back)
{
//TO-DO:做些事
}
}
}