private void StackPanel_SizeChanged(object sender, SizeChangedEventArgs e) { if (_targetScrollPositionAfterResize >= 0) { ContentScrollViewer.ChangeView(0, _targetScrollPositionAfterResize, 1); _targetScrollPositionAfterResize = -1; } }
bool ScrollToPage(int page, bool disableAnimation) { if (ContentScrollViewer.HorizontalScrollMode != ScrollMode.Disabled) { return(ContentScrollViewer.ChangeView(ContentColumns.Margin.Left + page * ContentColumns.ColumnWidth + 0.1, null, null, disableAnimation)); } else { return(ContentScrollViewer.ChangeView(null, ContentColumns.Margin.Top + page * ContentColumns.ColumnHeight + 0.1, null, disableAnimation)); } }
/// <summary> /// Gets the NavigationHelper used to aid in navigation and process lifetime management. /// </summary> /// <summary> /// Populates the page with content passed during navigation. Any saved state is also /// provided when recreating a page from a prior session. /// </summary> /// <param name="sender"> /// The source of the event; typically <see cref="NavigationHelper"/> /// </param> /// <param name="e">Event data that provides both the navigation parameter passed to /// <see cref="Frame.Navigate(Type, object)"/> when this page was initially requested and /// a dictionary of state preserved by this page during an earlier /// session. The state will be null the first time a page is visited.</param> private async void NavigationHelper_LoadState(object sender, LoadStateEventArgs e) { // TODO: Create an appropriate data model for your problem domain to replace the sample data Debug.WriteLine("LoadState"); #if WINDOWS_PHONE_APP IndexPanel.Visibility = Windows.UI.Xaml.Visibility.Collapsed; //this.BottomAppBar = PageBottomCommandBar; //this.BottomAppBar.Visibility = Visibility.Visible; var statusBar = Windows.UI.ViewManagement.StatusBar.GetForCurrentView(); await statusBar.HideAsync(); #endif //Relayout_ContentColumn(ContentRegion.RenderSize); if (e.PageState == null) { var nav = navigationId = NovelPositionIdentifier.Parse((string)e.NavigationParameter); if (nav.SeriesId != null && (nav.VolumeNo == -1 || nav.ChapterNo == -1)) { IsIndexPanelOpen = true; } else { IsIndexPanelOpen = false; } await viewModel.LoadDataAsync(nav); } else { IsIndexPanelOpen = false; if (e.PageState.ContainsKey("LoadingBreak")) { var nav = navigationId = NovelPositionIdentifier.Parse((string)e.PageState["LoadingBreak"]); await viewModel.LoadDataAsync(nav); } else { var volumeNo = (int)e.PageState["VolumeNo"]; var chapterNo = (int)e.PageState["ChapterNo"]; var seriesId = (int)e.PageState["SeriesId"]; var lineNo = (int)e.PageState["LineNo"]; await viewModel.LoadDataAsync(seriesId, volumeNo, chapterNo, lineNo); } #if WINDOWS_APP var horizontalOffset = (double)e.PageState["HorizontalOffset"]; var verticalOffset = (double)e.PageState["VerticalOffset"]; ContentScrollViewer.ChangeView(horizontalOffset, verticalOffset, null, true); #endif //SyncIndexSelectedItem(); } ViewModel.NotifyPropertyChanged("IsPinned"); ViewModel.NotifyPropertyChanged("IsFavored"); }
/// <summary> /// Gets the NavigationHelper used to aid in navigation and process lifetime management. /// </summary> /// <summary> /// Populates the page with content passed during navigation. Any saved state is also /// provided when recreating a page from a prior session. /// </summary> /// <param name="sender"> /// The source of the event; typically <see cref="NavigationHelper"/> /// </param> /// <param name="e">Event data that provides both the navigation parameter passed to /// <see cref="Frame.Navigate(Type, object)"/> when this page was initially requested and /// a dictionary of state preserved by this page during an earlier /// session. The state will be null the first time a page is visited.</param> private async void NavigationHelper_LoadState(object sender, LoadStateEventArgs e) { // TODO: Create an appropriate data model for your problem domain to replace the sample data Debug.WriteLine("LoadState"); VisualStateManager.GoToState(this, IndexClosedState, false); #if WINDOWS_PHONE_APP //IndexPanel.Visibility = Windows.UI.Xaml.Visibility.Collapsed; //this.BottomAppBar = PageBottomCommandBar; //this.BottomAppBar.Visibility = Visibility.Visible; TranslationType = 0; LayoutRootFadeinStory.Begin(); await UpdateSizeOrientationDependentResourcesAsync(); #elif WINDOWS_APP || WINDOWS_UWP if (this.Frame.CanGoBack) { OpenInNewViewButton.Visibility = Windows.UI.Xaml.Visibility.Visible; } else { OpenInNewViewButton.Visibility = Windows.UI.Xaml.Visibility.Collapsed; } Window.Current.SetTitleBar(TitlePanelBackground); #endif if (this.RequestedTheme != AppGlobal.Settings.BackgroundTheme) { this.RequestedTheme = AppGlobal.Settings.BackgroundTheme; } //Relayout_ContentColumn(ContentRegion.RenderSize); if (e.PageState != null && e.PageState.Count > 0) { IsIndexPanelOpen = false; if (e.PageState.ContainsKey("LoadingBreak")) { navigationId = NovelPositionIdentifier.Parse((string)e.PageState["LoadingBreak"]); await viewModel.LoadDataAsync(navigationId); } else { var fullScreen = (bool)e.PageState["IsFullScreen"]; if (fullScreen) { VisualStateManager.GoToState(this, "HideTitleBarState", false); ViewModel.IsFullScreen = true; } else { VisualStateManager.GoToState(this, "ShowTitleBarState", false); ViewModel.IsFullScreen = false; } var volumeNo = (int)e.PageState["VolumeNo"]; var chapterNo = (int)e.PageState["ChapterNo"]; var seriesId = (int)e.PageState["SeriesId"]; var lineNo = (int)e.PageState["LineNo"]; await viewModel.LoadDataAsync(seriesId, volumeNo, chapterNo, lineNo); } #if WINDOWS_APP var horizontalOffset = (double)e.PageState["HorizontalOffset"]; var verticalOffset = (double)e.PageState["VerticalOffset"]; ContentScrollViewer.ChangeView(horizontalOffset, verticalOffset, null, true); #endif //SyncIndexSelectedItem(); } else { VisualStateManager.GoToState(this, "ShowTitleBarState", false); ViewModel.IsFullScreen = false; navigationId = NovelPositionIdentifier.Parse((string)e.NavigationParameter); if (navigationId.SeriesId != null && (navigationId.VolumeNo == -1 || navigationId.ChapterNo == -1)) { IsIndexPanelOpen = true; } else { IsIndexPanelOpen = false; } await viewModel.LoadDataAsync(navigationId); } ViewModel.NotifyPropertyChanged("IsPinned"); SyncPinButtonView(); ViewModel.NotifyPropertyChanged("IsFavored"); }