/// <summary>
/// Creates a new root launch group. Prompts user to save if they have changes.
/// </summary>
private void _New()
{
if (_PromptForContinueIfRootIsChanged())
{
Root = new LaunchGroupViewModel(new LaunchGroup());
Settings.Default.CurrentFile = null;
}
}
/// <summary>
/// Called when a model property is changed. Used to pass through property changed events.
/// </summary>
protected override void OnBasePropertyChanged(string propertyName)
{
if (propertyName == Property <LaunchGroup> .Name(p => p.Parent))
{
Parent = new LaunchGroupViewModel(Model.Parent);
}
base.OnBasePropertyChanged(propertyName);
}
/// <summary>
/// Opens the given file as the root node.
/// </summary>
/// <param name = "file">The file to open.</param>
private void _Open(string file)
{
if (File.Exists(file))
{
Root = new LaunchGroupViewModel(LaunchGroup.LoadFrom(file));
Settings.Default.CurrentFile = file;
}
else
{
Root = new LaunchGroupViewModel(new LaunchGroup());
}
}
/// <summary>
/// Called when a property on the model is changed.
/// Used to pass through property changed events and
/// update the parent view model instance.
/// </summary>
protected override void OnBasePropertyChanged(string propertyName)
{
if (propertyName == Property <Launcher> .Name(p => p.Parent))
{
Parent = new LaunchGroupViewModel(Model.Parent);
}
else if (propertyName == Property <Launcher> .Name(p => p.IsValid))
{
LaunchCommand.RaiseCanExecuteChanged();
}
base.OnBasePropertyChanged(propertyName);
}
/// <summary>
/// Initializes a new instance of the <see cref = "LauncherViewModel" /> class.
/// </summary>
/// <param name = "launcher">The <see cref = "Launcher" /> instance to wrap.</param>
public LauncherViewModel(Launcher launcher)
{
Model = launcher;
Parent = new LaunchGroupViewModel(Model.Parent);
}
