private List <CommandViewModel> CreateControlPanelCommands()
{
List <CommandViewModel> m = new List <CommandViewModel>
{
new CommandViewModel(
Strings.MainWindowViewModel_Command_ViewAllCustomers,
new RelayCommand(param => ShowAllCustomers())),
new CommandViewModel(
Strings.MainWindowViewModel_Command_CreateNewCustomer,
new RelayCommand(param => CreateNewCustomer())),
new CommandViewModel(
Strings.MainWindowViewModel_Command_ExitButton,
new RelayCommand(param => OnMainWindowViewModelRequestClose()))
};
try
{
Diag.UpdateLog("(12) " + GetType().FullName + ";\t" + System.Reflection.MethodBase.GetCurrentMethod().Name + ";\t");
foreach (CommandViewModel c in m)
{
Diag.UpdateLog("\t" + c.ViewModelBaseInstanceName);
}
}
catch (Exception ex)
{
Diag.UpdateLog("(12) " + GetType().FullName + ";\t" + System.Reflection.MethodBase.GetCurrentMethod().Name + ";\t" + ex.Message);
}
return(m);
}
private static List <Customer> LoadCustomers(string customerDataFile)
{
// In a real application, the data would come from an external source,
// but for this demo let's keep things simple and use a resource file.
using (Stream stream = GetResourceStream(customerDataFile))
using (XmlReader xmlRdr = new XmlTextReader(stream))
{
{
try
{
Diag.UpdateLog("(3) CustomerRepository; " + System.Reflection.MethodBase.GetCurrentMethod().Name + ";\t");
}
catch (Exception ex)
{
Diag.UpdateLog("(3) CustomerRepository; " + System.Reflection.MethodBase.GetCurrentMethod().Name + ";\t" + ex.Message);
}
return
((from customerElem in XDocument.Load(xmlRdr).Element("customers").Elements("customer")
select Customer.CreateCustomer(
(double)customerElem.Attribute("totalSales"),
(string)customerElem.Attribute("firstName"),
(string)customerElem.Attribute("lastName"),
(bool)customerElem.Attribute("isCompany"),
(string)customerElem.Attribute("email")
)).ToList());
}
}
}
/// <summary>
/// Raises this object's PropertyChanged event.
/// </summary>
/// <param name="propertyName">The property that has a new value.</param>
protected virtual void OnPropertyChanged(string propertyName)
{
VerifyPropertyName(propertyName);
PropertyChangedEventHandler handler = PropertyChanged;
if (handler != null)
{
Diag.UpdateLog("(19) ViewModelBase():\t" + propertyName + "\t" + handler.Method + "\t" + handler.Target);
PropertyChangedEventArgs e = new PropertyChangedEventArgs(propertyName);
handler.Invoke(this, e);
}
}
private void OnMainWindowViewModelRequestClose()
{
try
{
Diag.UpdateLog("(13) " + GetType().FullName + ";\t" + System.Reflection.MethodBase.GetCurrentMethod().Name);
}
catch (Exception ex)
{
Diag.UpdateLog("(13) " + GetType().FullName + ";\t" + System.Reflection.MethodBase.GetCurrentMethod().Name + ";\t" + ex.Message);
}
if (MainWindowViewModelRequestClose != null)
{
MainWindowViewModelRequestClose.Invoke(this, EventArgs.Empty);
}
}
private void CreateAllCustomers()
{
List <CustomerViewModel> all =
(from cust in _customerRepository.GetCustomers()
select new CustomerViewModel(cust, _customerRepository)).ToList();
foreach (CustomerViewModel cvm in all)
{
cvm.PropertyChanged += OnCustomerViewModelPropertyChanged;
Diag.UpdateLog("(521654)\tCreateAllCustomers()\t " + cvm.ToString());
}
AllCustomers = new ObservableCollection <CustomerViewModel>(all);
AllCustomers.CollectionChanged += OnCollectionChanged;
}
/// <summary>
/// Creates a new repository of customers.
/// </summary>
/// <param name="customerDataFile">The relative path to an XML resource file that contains customer data.</param>
public CustomerRepository(string customerDataFile)
{
Diag.DataBindingPresentation();
_customers = LoadCustomers(customerDataFile);
try
{
Diag.UpdateLog("(2) " + GetType().FullName + ";\t" + System.Reflection.MethodBase.GetCurrentMethod().Name + ";\t" + _customers.Count.ToString());
}
catch (Exception ex)
{
Diag.UpdateLog("(2) " + GetType().FullName + ";\t" + System.Reflection.MethodBase.GetCurrentMethod().Name + ";\t" + ex.Message);
}
}
public AllCustomersViewModel(CustomerRepository customerRepository)
{
Diag.DataBindingPresentation();
if (customerRepository == null)
{
throw new ArgumentNullException("customerRepository");
}
base.ViewModelBaseInstanceName = Strings.AllCustomersViewModel_DisplayName;
Diag.UpdateLog("(547865\tAllCustomersViewModel(C )\tbase.ViewModelBaseInstanceName \t" + base.ViewModelBaseInstanceName);
_customerRepository = customerRepository;
// Subscribe for notifications of when a new customer is saved.
_customerRepository.CustomerAdded += OnCustomerAddedToRepository;
// Populate the AllCustomers collection with CustomerViewModels.
CreateAllCustomers();
}
private void OnCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if (e.NewItems != null && e.NewItems.Count != 0)
{
foreach (CustomerViewModel cvm in e.NewItems)
{
cvm.PropertyChanged += OnCustomerViewModelPropertyChanged;
Diag.UpdateLog("(742342)\tOnCollectionChanged\te.NewItems\t" + cvm.ToString() + "\t" + e.NewItems.ToString());
}
}
if (e.OldItems != null && e.OldItems.Count != 0)
{
foreach (CustomerViewModel cvm in e.OldItems)
{
cvm.PropertyChanged -= OnCustomerViewModelPropertyChanged;
Diag.UpdateLog("(742109)\tOnCollectionChanged\te.OldItems\t" + cvm.ToString() + "\t" + e.OldItems.ToString());
}
}
}
public CommandViewModel(string displayName, ICommand command)
{
Diag.DataBindingPresentation();
if (command == null)
{
throw new ArgumentNullException("command");
}
base.ViewModelBaseInstanceName = displayName;
Diag.UpdateLog("(789056\tCommandViewModel( )\tbase.ViewModelBaseInstanceName \t" + base.ViewModelBaseInstanceName);
ControlPanelHyperlinkInvokeCommand = command;
try
{
Diag.UpdateLog("(6)\t" + this.GetType().FullName + ";\t" + System.Reflection.MethodBase.GetCurrentMethod().Name + ";\t" + displayName + ";\t" + command.ToString());
}
catch (Exception ex)
{
Diag.UpdateLog("(6)\t" + this.GetType().FullName + ";\t" + System.Reflection.MethodBase.GetCurrentMethod().Name + ";\t" + ex.Message);
}
}
/// <summary>
/// Raised when ToggleButtonClicked is clicked
/// </summary>
public void OnToggleButtonClicked()
{
try
{
Diag.UpdateLog("(590213) " + GetType().FullName + ";\t" + System.Reflection.MethodBase.GetCurrentMethod().Name + ";\t");
}
catch (Exception ex)
{
Diag.UpdateLog("(590213) " + GetType().FullName + ";\t" + System.Reflection.MethodBase.GetCurrentMethod().Name + ";\t" + ex.Message);
}
if (ToggleButtonPosition == System.Windows.HorizontalAlignment.Left)
{
ToggleButtonPosition = _rightAlignment;
ToggleButtonMargins = _rightThickness;
ToggleButtonColor = _rightColor;
}
else
{
ToggleButtonPosition = _leftAlignment;
ToggleButtonMargins = _leftThickness;
ToggleButtonColor = _leftColor;
}
}
public MainWindowViewModel(string customerDataFile)
{
Diag.DataBindingPresentation();
base.ViewModelBaseInstanceName = Strings.MainWindowViewModel_DisplayName;
Diag.UpdateLog("(451289)\tMainWindowViewModel()\tbase.ViewModelBaseInstanceName\t" +
base.ViewModelBaseInstanceName);
_customerRepository = new CustomerRepository(customerDataFile);
try
{
Diag.UpdateLog("(8)\t" + GetType().FullName + ";\t" +
System.Reflection.MethodBase.GetCurrentMethod().Name + ";\t" +
base.ViewModelBaseInstanceName + ";\t" +
_customerRepository.ToString());
}
catch (Exception ex)
{
Diag.UpdateLog("(8)\t" + GetType().FullName + ";\t" + System.Reflection.MethodBase.GetCurrentMethod().Name + ";\t" + ex.Message);
}
}
protected ViewModelBase()
{
Diag.UpdateLog("(18)\tViewModelBase()\t" + this.GetType().FullName);
}
