Nextrek
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using Facebook.Client; using Facebook.Client.Controls; using SmartCharging.Common; using SmartCharging.DataModel; using SmartCharging.Net; using System; using System.Collections.Generic; using System.IO; using System.Linq; using System.Runtime.InteropServices.WindowsRuntime; using System.Threading.Tasks; using Windows.Foundation; using Windows.Foundation.Collections; using Windows.Graphics.Display; using Windows.Security.Credentials; using Windows.UI; using Windows.UI.Core; using Windows.UI.ViewManagement; using Windows.UI.Xaml; using Windows.UI.Xaml.Controls; using Windows.UI.Xaml.Controls.Primitives; using Windows.UI.Xaml.Data; using Windows.UI.Xaml.Input; using Windows.UI.Xaml.Media; using Windows.UI.Xaml.Navigation; // The Basic Page item template is documented at http://go.microsoft.com/fwlink/?LinkID=390556 namespace SmartCharging { /// <summary> /// An empty page that can be used on its own or navigated to within a Frame. /// </summary> public sealed partial class LoginPage : Page { private NavigationHelper navigationHelper; private ObservableDictionary defaultViewModel = new ObservableDictionary(); private SmartChargeAPI SMA; public LoginPage() { this.InitializeComponent(); this.navigationHelper = new NavigationHelper(this); this.navigationHelper.LoadState += this.NavigationHelper_LoadState; this.navigationHelper.SaveState += this.NavigationHelper_SaveState; Session.OnFacebookAppRequestFinished = new FacebookDelegate((result)=>{ }); this.SMA = SmartChargeAPI.Instance; } /// <summary> /// Gets the <see cref="NavigationHelper"/> associated with this <see cref="Page"/>. /// </summary> public NavigationHelper NavigationHelper { get { return this.navigationHelper; } } /// <summary> /// Gets the view model for this <see cref="Page"/>. /// This can be changed to a strongly typed view model. /// </summary> public ObservableDictionary DefaultViewModel { get { return this.defaultViewModel; } } /// <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 void NavigationHelper_LoadState(object sender, LoadStateEventArgs e) { } /// <summary> /// Preserves state associated with this page in case the application is suspended or the /// page is discarded from the navigation cache. Values must conform to the serialization /// requirements of <see cref="SuspensionManager.SessionState"/>. /// </summary> /// <param name="sender">The source of the event; typically <see cref="NavigationHelper"/></param> /// <param name="e">Event data that provides an empty dictionary to be populated with /// serializable state.</param> private void NavigationHelper_SaveState(object sender, SaveStateEventArgs e) { } #region NavigationHelper registration /// <summary> /// The methods provided in this section are simply used to allow /// NavigationHelper to respond to the page's navigation methods. /// <para> /// Page specific logic should be placed in event handlers for the /// <see cref="NavigationHelper.LoadState"/> /// and <see cref="NavigationHelper.SaveState"/>. /// The navigation parameter is available in the LoadState method /// in addition to page state preserved during an earlier session. /// </para> /// </summary> /// <param name="e">Provides data for navigation methods and event /// handlers that cannot cancel the navigation request.</param> protected override void OnNavigatedTo(NavigationEventArgs e) { this.navigationHelper.OnNavigatedTo(e); } protected override void OnNavigatedFrom(NavigationEventArgs e) { this.navigationHelper.OnNavigatedFrom(e); } #endregion private async void LoginButton_Tapped(object sender, TappedRoutedEventArgs e) { if (this.ValidateFields()) { this.showLoading(); User user = await this.SMA.Login(this.UserNameInput.Text, this.PasswordInput.Password); CredentialStorage cs = new CredentialStorage(); cs.SaveCredential(this.UserNameInput.Text, this.PasswordInput.Password); this.hideLoading(); if (user != null) { this.goToUserPage(); } else { cs.RemoveCredentials(); } } } private void goToUserPage() { var aw = Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () => { this.Frame.Navigate(typeof(StandardUserLoggedInPage)); if (this.Frame.CanGoBack) { this.Frame.BackStack.Clear(); } }); } private void RegisterLink_Tapped(object sender, TappedRoutedEventArgs e) { var aw = Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () => this.Frame.Navigate(typeof(SiteOwnerRegistrationPage))); } private bool ValidateFields() { SolidColorBrush red = new SolidColorBrush(Color.FromArgb(255, 255, 0, 0)); SolidColorBrush white = new SolidColorBrush(Color.FromArgb(255, 255, 255, 255)); this.UserNameInput.BorderBrush = this.UserNameInput.Text == "" ? red : white; this.PasswordInput.BorderBrush = this.PasswordInput.Password == "" ? red : white; return !this.UserNameInput.BorderBrush.Equals(red) && !this.PasswordInput.BorderBrush.Equals(red); } private void showLoading() { this.Loader.Visibility = Visibility.Visible; } private void hideLoading() { this.Loader.Visibility = Visibility.Collapsed; } private async void loginButton_SessionStateChanged(object sender, Facebook.Client.Controls.SessionStateChangedEventArgs e) { if (e.SessionState == Facebook.Client.Controls.FacebookSessionState.Opened){ showLoading(); GraphUser gu = await Utils.RetriveUserInfo(Session.ActiveSession.CurrentAccessTokenData.AccessToken); if (gu != null && !String.IsNullOrEmpty(gu.Id)) { User user = await this.SMA.FacebookLogin(gu.Id, Session.ActiveSession.CurrentAccessTokenData.AccessToken); if (user != null) { this.goToUserPage(); } } hideLoading(); } } } } |