/// <summary>
/// Deserializes the saved print configuration settings.
/// </summary>
public void LoadConfiguration(string configData)
{
if (!string.IsNullOrEmpty(configData))
{
using (MemoryStream memoryStream = new MemoryStream(Encoding.UTF8.GetBytes(configData)))
{
DataContractSerializer xmlSerializer = new DataContractSerializer(typeof(PrintToolViewModel));
memoryStream.Position = 0;
savedConfiguration = (PrintToolViewModel)xmlSerializer.ReadObject(memoryStream);
memoryStream.Close();
}
}
}
/// <summary>
/// Shows the PrintToolView when the icon on the toolbar is clicked.
/// </summary>
public void Execute(object parameter)
{
ToolExecuting = true;
var toolViewModel = printToolView.DataContext as PrintToolViewModel;
if (toolViewModel == null && savedConfiguration != null)
{
toolViewModel = new PrintToolViewModel(savedConfiguration);
toolViewModel.Map = MapApplication.Current.Map;
printToolView.DataContext = toolViewModel;
}
if (toolViewModel != null)
{
toolViewModel.Activate();
}
// If there is at least one visible setting, print tool view is shown.
// Otherwise, print command is executed without the intermediate dialog.
if (toolViewModel.HasVisibleSetting)
{
MapApplication.Current.ShowWindow(Resources.Strings.PrintToolTitle, printToolView, false,
null,
(s, e) =>
{
ToolExecuting = false;
},
WindowType.Floating);
}
else
{
ToolExecuting = toolViewModel.IsPrinting;
toolViewModel.PropertyChanged += (a, b) =>
{
if (b.PropertyName == "IsPrinting")
{
ToolExecuting = toolViewModel.IsPrinting;
}
};
if (toolViewModel.Print.CanExecute(null))
{
toolViewModel.Print.Execute(null);
}
}
}
/// <summary>
/// Called when configuration wizard is completed.
/// Updates last saved configuration.
/// </summary>
public void OnCompleted()
{
var configViewModel = printToolConfigView.DataContext as PrintToolViewModel;
if (configViewModel != null)
{
if (savedConfiguration == null)
{
savedConfiguration = new PrintToolViewModel(configViewModel);
}
else
{
savedConfiguration.ApplyChanges(configViewModel);
}
// Tool view on builder must immediately reflect latest configuration
// so changes are applied to this instance as well.
var toolViewModel = printToolView.DataContext as PrintToolViewModel;
if (toolViewModel != null)
{
toolViewModel.ApplyChanges(savedConfiguration);
}
}
}
