private void AppSettingsPage_SettingsSaved(object sender, EventArgs e)
{
Database.CreateGlobalTables();
TechnicianListPageViewModel viewModel = new TechnicianListPageViewModel();
viewModel.PropertyChanged += TechnicianListPageViewModel_PropertyChanged;
MainPage = new TechnicianListPage(viewModel);
}
public TechnicianListPage()
{
InitializeComponent();
_vm = new TechnicianListPageViewModel();
gridTechnician.ItemsSource = _vm.TechnicianList;
gridTechnician.MouseDoubleClick += GridTechnician_MouseDown;
bw.WorkerReportsProgress = true;
bw.DoWork += Bw_DoWork;
bw.ProgressChanged += Bw_ProgressChanged;
bw.RunWorkerCompleted += Bw_RunWorkerCompleted;
}
public void LogOff()
{
if (CurrentTechnician != null)
{
// puke... log off current tech
}
TechnicianListPageViewModel vm = new TechnicianListPageViewModel();
MainPage = new TechnicianListPage(vm);
}
async void OnItemSelected(object sender, SelectedItemChangedEventArgs e)
{
MainMenuItem item = e.SelectedItem as MainMenuItem;
if (item != null)
{
if (item.Title.ToLower() == "exit")
{
// puke... close app
await DisplayAlert("Log off", "Normally, this would log the user off.", "OK", "Cancel");
return;
}
if (item.Title.ToLower() == "log out")
{
App_Settings appSettings = App.Database.GetApplicationSettings();
appSettings.LoggedInTechnicianNo = "";
appSettings.LoggedInTechnicianDeptNo = "";
App.Database.SaveAppSettings(appSettings);
TechnicianListPageViewModel viewModel = new TechnicianListPageViewModel();
viewModel.PropertyChanged += TechnicianListPageViewModel_PropertyChanged;
//await Navigation.PushAsync(new TechnicianListPage(viewModel));
//Detail = new NavigationPage(new TechnicianListPage(viewModel));
Application.Current.MainPage = new TechnicianListPage(viewModel); //new NavigationPage(new TechnicianListPage(viewModel));
return;
}
_masterPage.ListView.SelectedItem = null; // so the item doesn't stay highlighted
if (item.Title.ToLower() == "settings")
{
AppSettingsPage page = (AppSettingsPage)Activator.CreateInstance(item.TargetType);
page.SettingsSaved += AppSettingsPage_SettingsSaved;
await Detail.Navigation.PushAsync(page);
}
else
{
await Detail.Navigation.PushAsync((Page)Activator.CreateInstance(item.TargetType));
}
IsPresented = false;
}
}
public void TechnicianListPageViewModel_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
{
TechnicianListPageViewModel vm = sender as TechnicianListPageViewModel;
switch (e.PropertyName)
{
case "IsLoading":
IHud hud = DependencyService.Get <IHud>();
if (vm.IsLoading)
{
//XHUD.HUD.Show("Loading data...", -1, XHUD.MaskType.Black);
hud.Show("Loading data...");
}
else
{
hud.Dismiss();
}
break;
case "IsSignedIn":
if (vm.IsSignedIn)
{
Device.BeginInvokeOnMainThread(() =>
MainPage = new MainDashboard());
//MainPage = new MainDashboard(this);
}
else
{
if (!(MainPage is TechnicianListPage))
{
MainPage = new TechnicianListPage(vm);
}
}
break;
default:
break;
}
}
protected async override void OnStart()
{
// Handle when your app starts
bool hasValidSetup = false;
App_Settings appSettings = App.Database.GetApplicationSettings();
string loggiedintechnicianno;
JT_Technician technician = null;
bool tableExists = false;
try
{
hasValidSetup = await Database.HasValidSetup(appSettings);
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
await MainPage.DisplayAlert("Error!", ex.Message, "OK");
throw;
}
tableExists = App.Database.TableExists <JT_Technician>();
// Are the settings valid?
if (hasValidSetup)
{
// Yes, so move on to the technician login
//App_Settings appSettings = App.Database.GetApplicatioinSettings();
loggiedintechnicianno = (appSettings.LoggedInTechnicianNo != null) ? appSettings.LoggedInTechnicianNo : "";
if (tableExists && loggiedintechnicianno.Length > 0) // we've already established we do && Database.HasDataConnection())
{
technician = App.Database.GetTechnician(appSettings.LoggedInTechnicianDeptNo, appSettings.LoggedInTechnicianNo);
if (technician != null)
{
App.Database.SaveTechnicianAsCurrent(technician);
App.Database.CreateDependentTables(technician);
MainPage = new MainDashboard();
}
else
{
if (Database.HasDataConnection())
{
Database.CreateGlobalTables();
}
Thread.Sleep(5000);
TechnicianListPageViewModel viewModel = new TechnicianListPageViewModel();
viewModel.PropertyChanged += TechnicianListPageViewModel_PropertyChanged;
MainPage = new TechnicianListPage(viewModel);
}
}
else
{
if (Database.HasDataConnection())
{
Database.CreateGlobalTables();
}
Thread.Sleep(5000);
TechnicianListPageViewModel viewModel = new TechnicianListPageViewModel();
viewModel.PropertyChanged += TechnicianListPageViewModel_PropertyChanged;
MainPage = new TechnicianListPage(viewModel);
}
}
else
{
// Invalid settings, so show the settings page.
// Otherwise, data calls will never work.
AppSettingsPage settingsPage = new AppSettingsPage();
settingsPage.SettingsSaved += AppSettingsPage_SettingsSaved;
MainPage = settingsPage;
return;
}
}
public TechnicianListPage(TechnicianListPageViewModel viewModel)
{
hud.Show();
hud.Dismiss();
// Set the page title.
NavigationPage.SetHasNavigationBar(this, true);
Title = "Technican Dashboard";
_activityIndicator = new ActivityIndicator()
{
Color = Color.Red
};
_activityIndicator.SetBinding(ActivityIndicator.IsRunningProperty, "IsLoading");
_activityIndicator.SetBinding(ActivityIndicator.IsVisibleProperty, "IsLoading");
_activityIndicator.BindingContext = _vm;
BackgroundColor = Color.White;
// Create the view model for this page
_vm = viewModel; //new TechnicianListPageViewModel();
// Set the binding context for this page
BindingContext = _vm.TechnicianList;
// Create our screen objects
// Create a label for the technician list
_labelTitle = new Xamarin.Forms.Label();
_labelTitle.Text = "SELECT TECHNICIAN";
_labelTitle.FontFamily = Device.OnPlatform("OpenSans-Bold", "sans-serif-black", null);
_labelTitle.FontSize = 22;
_labelTitle.TextColor = Color.White;
_labelTitle.HorizontalTextAlignment = TextAlignment.Center;
_labelTitle.VerticalTextAlignment = TextAlignment.Center;
Grid titleLayout = new Grid()
{
BackgroundColor = Color.FromHex("#2980b9"),
HorizontalOptions = LayoutOptions.FillAndExpand,
HeightRequest = 80
};
titleLayout.RowDefinitions.Add(new RowDefinition {
Height = new GridLength(1, GridUnitType.Star)
});
titleLayout.ColumnDefinitions.Add(new ColumnDefinition {
Width = new GridLength(1, GridUnitType.Star)
});
titleLayout.Children.Add(_labelTitle, 0, 0);
// Create a template to display each technician in the list
var dataTemplateItem = new DataTemplate(typeof(TechnicialDataCell));
// Create the actual list
_listViewTechnicians = new ListView()
{
HasUnevenRows = true,
HorizontalOptions = LayoutOptions.Fill,
SeparatorVisibility = SeparatorVisibility.None,
BackgroundColor = Color.White,
ItemsSource = _vm.TechnicianList,
ItemTemplate = dataTemplateItem
};
_listViewTechnicians.ItemTapped += ListViewTechnicians_ItemTapped;
StackLayout layout = new StackLayout
{
BackgroundColor = Color.FromHex("#2980b9"),
Orientation = StackOrientation.Vertical,
HorizontalOptions = LayoutOptions.FillAndExpand,
Children =
{
titleLayout,
_activityIndicator,
_listViewTechnicians
}
};
if (Device.OS == TargetPlatform.iOS)
{
// move layout under the status bar
layout.Padding = new Thickness(0, 40, 0, 0);
}
Content = layout;
}
