/// <summary>
        ///     Ensures the nav menu reflects reality when navigation is triggered outside of
        ///     the nav menu buttons.
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void OnNavigatingToPage(object sender, NavigatingCancelEventArgs e)
        {
            if (e.NavigationMode == NavigationMode.Back)
            {
                var item =
                    (from p in navlistTop.Union(navlistBottom) where p.DestPage == e.SourcePageType select p)
                    .SingleOrDefault();
                if (item == null && AppMyFrame.BackStackDepth > 0)
                {
                    // In cases where a page drills into sub-pages then we'll highlight the most recent
                    // navigation menu item that appears in the BackStack
                    foreach (var entry in AppMyFrame.BackStack.Reverse())
                    {
                        item =
                            (from p in navlistTop.Union(navlistBottom) where p.DestPage == entry.SourcePageType select p)
                            .SingleOrDefault();
                        if (item != null)
                        {
                            break;
                        }
                    }
                }

                var container = (ListViewItem)NavMenuListTop.ContainerFromItem(item);
                if (container == null)
                {
                    container = (ListViewItem)NavMenuListBottom.ContainerFromItem(item);
                    // While updating the selection state of the item prevent it from taking keyboard focus.  If a
                    // user is invoking the back button via the keyboard causing the selected nav menu item to change
                    // then focus will remain on the back button.
                    //this is for the bottom section
                    if (container != null)
                    {
                        container.IsTabStop = false;
                    }
                    NavMenuListBottom.SetSelectedItem(container);
                    if (container != null)
                    {
                        container.IsTabStop = true;
                    }
                    //reset the top section
                    NavMenuListTop.SetSelectedItem(null);
                }
                else
                {
                    // and this is for the top section
                    container.IsTabStop = false;
                    NavMenuListTop.SetSelectedItem(container);
                    container.IsTabStop = true;
                    //reset the bottom section
                    NavMenuListBottom.SetSelectedItem(null);
                }
            }

            //Change the theme on page navigation; maybe it can be moved somewhere else.
            SetColor();
        }
Пример #2
0
        /// <summary>
        ///     Navigate to the Page for the selected <paramref name="listViewItem" />.
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="listViewItem"></param>
        private async void NavMenuList_ItemInvoked(object sender, ListViewItem listViewItem)
        {
            var item = (NavMenuItem)((NavMenuListView)sender).ItemFromContainer(listViewItem);

            if (item?.DestPage != null &&
                item.DestPage != MyAppFrame.CurrentSourcePageType)
            {
                if (item.DestViewModel == typeof(AccountListViewModel))
                {
                    await ViewModel.ShowAccountListCommand.ExecuteAsync();
                }
                else if (item.DestViewModel == typeof(StatisticSelectorViewModel))
                {
                    await ViewModel.ShowStatisticSelectorCommand.ExecuteAsync();
                }
                else if (item.DestViewModel == typeof(CategoryListViewModel))
                {
                    await ViewModel.ShowCategoryListCommand.ExecuteAsync();
                }
                else if (item.DestViewModel == typeof(BackupViewModel))
                {
                    await ViewModel.ShowBackupViewCommand.ExecuteAsync();
                }
                else if (item.DestViewModel == typeof(SettingsViewModel))
                {
                    await ViewModel.ShowSettingsCommand.ExecuteAsync();
                }
                else if (item.DestViewModel == typeof(AboutViewModel))
                {
                    await ViewModel.ShowAboutCommand.ExecuteAsync();
                }
            }

            //reset the bottom or top section depending on which section the user clicked
            if (sender.Equals(NavMenuListTop))
            {
                NavMenuListBottom.SetSelectedItem(null);
            }
            else
            {
                NavMenuListTop.SetSelectedItem(null);
            }
        }
Пример #3
0
        private void NavMenuList_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            //Show the back button
            SystemNavigationManager.GetForCurrentView().AppViewBackButtonVisibility = AppViewBackButtonVisibility.Visible;

            //Change the title
            var selectedItem = (sender as NavMenuListView).SelectedValue;

            PageTitle.Text = (selectedItem as NavMenuItem)?.Label ?? "There should be a title here.";

            //Deselect the other item
            if (sender.Equals(NavMenuList))
            {
                NavMenuListBottom.SetSelectedItem(null);
            }
            else
            {
                NavMenuList.SetSelectedItem(null);
            }
        }
Пример #4
0
        /// <summary>
        ///     Navigate to the Page for the selected <paramref name="listViewItem" />.
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="listViewItem"></param>
        private void NavMenuList_ItemInvoked(object sender, ListViewItem listViewItem)
        {
            var item = (NavMenuItem)((NavMenuListView)sender).ItemFromContainer(listViewItem);

            if (item?.DestPage != null &&
                item.DestPage != MyAppFrame.CurrentSourcePageType)
            {
                ViewModel.ShowViewModelByType(item.DestViewModel);
            }

            //reset the bottom or top section depending on which section the user clicked
            if (sender.Equals(NavMenuListTop))
            {
                NavMenuListBottom.SetSelectedItem(null);
            }
            else
            {
                NavMenuListTop.SetSelectedItem(null);
            }
        }