// Overload 2
public IdeaViewModel(Idea model, IdeasDataContext db)
{
_DB = db;
_Model = model;
// Populate the SystemRequirements and UseCases observable collections
_SystemRequirements = new ObservableCollection<SystemRequirement>(_Model.SystemRequirements);
//_UseCases = new ObservableCollection<UseCase>(SelectedIdea.UseCases);
}
// Overload 1
public IdeaViewModel(IdeasDataContext db)
{
_DB = db;
_Model = new Idea();
_SystemRequirements = new ObservableCollection<SystemRequirement>(_Model.SystemRequirements);
//_UseCases = new ObservableCollection<UseCase>(SelectedIdea.UseCases);
//_SelectedReq = null;
//_SelectedUseCase = null;
}
// Overload 3
public IdeaViewModel(string dbConnectionString)
{
//_DB = new IdeasDataContext(dbConnectionString);
//_Model = new Idea();
//if (SelectedIdea != null)
//{
// _SystemRequirements = new ObservableCollection<SystemRequirement>(_Model.SystemRequirements);
// //_UseCases = new ObservableCollection<UseCase>(_Model.UseCases);
//}
_DB = new IdeasDataContext(dbConnectionString);
}
/// <summary>
/// Constructor for the Application object.
/// </summary>
public App()
{
// Global handler for uncaught exceptions.
UnhandledException += Application_UnhandledException;
// Standard Silverlight initialization
InitializeComponent();
// Phone-specific initialization
InitializePhoneApplication();
// Show graphics profiling information while debugging.
if (System.Diagnostics.Debugger.IsAttached)
{
// Display the current frame rate counters.
Application.Current.Host.Settings.EnableFrameRateCounter = true;
// Show the areas of the app that are being redrawn in each frame.
//Application.Current.Host.Settings.EnableRedrawRegions = true;
// Enable non-production analysis visualization mode,
// which shows areas of a page that are handed off to GPU with a colored overlay.
//Application.Current.Host.Settings.EnableCacheVisualization = true;
// Disable the application idle detection by setting the UserIdleDetectionMode property of the
// application's PhoneApplicationService object to Disabled.
// Caution:- Use this under debug mode only. Application that disables user idle detection will continue to run
// and consume battery power when the user is not using the phone.
PhoneApplicationService.Current.UserIdleDetectionMode = IdleDetectionMode.Disabled;
}
string DBConnectionString = "Data Source=isostore:/Ideas.sdf";
using (IdeasDataContext db = new IdeasDataContext(DBConnectionString))
{
if (db.DatabaseExists() == false)
{
db.CreateDatabase();
db.SubmitChanges();
}
}
_ViewModel = new IdeaViewModel(DBConnectionString);
_ViewModel.LoadIdeasFromDB(); // Here's where we load the ideas
}
