sharee.bike-App/LastenradBayern/TINK/View/MyBikes/MyBikesPage.xaml.cs
2022-04-25 22:15:15 +02:00

185 lines
No EOL
7.7 KiB
C#

using Plugin.Connectivity;
using System;
using System.Threading;
using System.Threading.Tasks;
#if USEFLYOUT
using TINK.View.MasterDetail;
#endif
using Xamarin.Forms;
using Xamarin.Forms.Xaml;
namespace TINK.View.MyBikes
{
using Serilog;
using TINK.Model;
using TINK.Model.Device;
using TINK.ViewModel.MyBikes;
using Xamarin.CommunityToolkit.Extensions;
[XamlCompilation(XamlCompilationOptions.Compile)]
public partial class MyBikesPage : ContentPage, IViewService
{
/// <summary> Refernce to view model. </summary>
MyBikesPageViewModel m_oViewModel = null;
/// <summary> Initialization status to ensure initialization logic is not called multiple times. </summary>
private bool isInitializationStarted = false;
/// <summary>
/// Constructs a my bikes page.
/// </summary>
public MyBikesPage()
{
}
/// <summary>
/// Invoked when page is shown.
/// Starts update process.
/// </summary>
protected async override void OnAppearing()
{
// Don't repeat the initialization if it has been completed already.
if (isInitializationStarted) return;
isInitializationStarted = true;
if (m_oViewModel != null)
{
// No need to create view model, set binding context an items source if already done.
// If done twice tap events are fired multiple times (when hiding page using home button).
await m_oViewModel.OnAppearing();
isInitializationStarted = false;
return;
}
try
{
var model = App.ModelRoot;
// Backup synchronization context when called from GUI-thread.
var synchronizationContext = SynchronizationContext.Current;
m_oViewModel = new MyBikesPageViewModel(
model.ActiveUser,
App.PermissionsService,
App.BluetoothService,
Device.RuntimePlatform,
() => model.GetIsConnected(),
(isConnected) => model.GetConnector(isConnected),
App.LocationServicesContainer.Active,
model.LocksServices.Active,
model.Stations,
model.Polling,
(d, obj) => synchronizationContext.Post(d, obj),
model.SmartDevice,
this,
(url) => DependencyService.Get<IExternalBrowserService>().OpenUrl(url))
{
IsReportLevelVerbose = model.IsReportLevelVerbose
};
}
catch (Exception exception)
{
Log.ForContext<MyBikesPage>().Error("Displaying bikes at station page failed. {Exception}", exception);
await DisplayAlert("Fehler", $"Seite Räder an Station kann nicht angezeigt werden. ${exception.Message}", "OK");
isInitializationStarted = false;
return;
}
InitializeComponent();
BindingContext = m_oViewModel;
MyBikesListView.ItemsSource = m_oViewModel;
await m_oViewModel.OnAppearing();
isInitializationStarted = false;
}
/// <summary>
/// Invoked when pages is closed/ hidden.
/// Stops update process.
/// </summary>
protected async override void OnDisappearing()
{
if (m_oViewModel == null)
{
// View model might be null (Example: Occured when page to querry for location permissions was opened)
return;
}
await m_oViewModel.OnDisappearing();
}
/// <summary>
/// Displays alert message.
/// </summary>
/// <param name="p_strTitle">Title of message.</param>
/// <param name="p_strMessage">Message to display.</param>
/// <param name="p_strCancel">Type of buttons.</param>
public new async Task DisplayAlert(string p_strTitle, string p_strMessage, string p_strCancel)
=> await App.Current.MainPage.DisplayAlert(p_strTitle, p_strMessage, p_strCancel);
/// <summary> Displays alert message.</summary>
/// <param name="title">Title of message.</param>
/// <param name="message">Message to display.</param>
/// <param name="details">Detailed error description.</param>
/// <param name="cancel">Type of buttons.</param>
public async Task DisplayAdvancedAlert(
string title,
string message,
string details,
string cancel)
=> await App.Current.MainPage.DisplayAlert(title, $"{message}\r\nDetails:\r\n{details}", cancel);
/// <summary> Displays detailed alert message.</summary>
/// <param name="title">Title of message.</param>
/// <param name="message">Message to display.</param>
/// <param name="details">Detailed error description.</param>
/// <param name="accept">Text of accept button.</param>
/// <param name="cancel">Text of cancel button.</param>
/// <returns>True if user pressed accept.</returns>
public async Task<bool> DisplayAdvancedAlert(string title, string message, string details, string accept, string cancel)
=> await App.Current.MainPage.DisplayAlert(title, !string.IsNullOrEmpty(details) ? $"{message}\r\nDetails:\r\n{details}" : $"{message}", accept, cancel);
/// <summary>
/// Displays alert message.
/// </summary>
/// <param name="p_strTitle">Title of message.</param>
/// <param name="p_strMessage">Message to display.</param>
/// <param name="p_strAccept">Text of accept button.</param>
/// <param name="p_strCancel">Text of button.</param>
/// <returns>True if user pressed accept.</returns>
public new async Task<bool> DisplayAlert(string p_strTitle, string p_strMessage, string p_strAccept, string p_strCancel)
=> await App.Current.MainPage.DisplayAlert(p_strTitle, p_strMessage, p_strAccept, p_strCancel);
#if USEFLYOUT
public void ShowPage(ViewTypes p_oType, string p_strTitle = null)
=> throw new NotImplementedException();
#else
/// <summary> Shows a page.</summary>
/// <param name="route">Route of the page to show.</param>
public async Task ShowPage(string route) => await Shell.Current.GoToAsync(route);
#endif
/// <summary> Pushes a page onto the modal stack. </summary>
/// <param name="typeOfPage">Page to display.</param>
public async Task PushModalAsync(ViewTypes typeOfPage)
=> await Navigation.PushModalAsync((Page)Activator.CreateInstance(typeOfPage.GetViewType()));
/// <summary> Pops a page from the modal stack. </summary>
public Task PopModalAsync() => throw new NotSupportedException();
/// <summary> Pushes a page onto the stack. </summary>
/// <param name="p_oTypeOfPage">Page to display.</param>
public Task PushAsync(ViewTypes p_oTypeOfPage) => throw new NotSupportedException();
#if USCSHARP9
public async Task<IViewService.IUserFeedback> DisplayUserFeedbackPopup() => await Navigation.ShowPopupAsync<FeedbackPopup.Result>(new FeedbackPopup());
#else
/// <summary> Displays user feedback popup.</summary>
/// <param name="co2Saving"> Co2 saving information.</param>
/// <returns>User feedback.</returns>
public async Task<IUserFeedback> DisplayUserFeedbackPopup(string co2Saving = null) => await Navigation.ShowPopupAsync<FeedbackPopup.Result>(new FeedbackPopup(co2Saving));
#endif
}
}