/// <summary>
/// Processes the specified navigation context.
/// </summary>
/// <param name="navigationContext">The navigation context.</param>
public void Process( NavigationContext navigationContext )
{
Check.IsNotNull ( navigationContext, "Navigation Context cannot be null." );
var commandName = navigationContext.TryGetNavigationParameter<string> ( _commandNameParameter );
if ( _commandHandlers.ContainsKey ( commandName ) )
{
_commandHandlers[commandName] ( navigationContext );
}
else
{
if ( _defaultHandler != null )
{
_defaultHandler ( navigationContext );
}
if ( _throwExceptionIfDefault )
{
throw new ArgumentException ( "Invalid Command Name:" + commandName );
}
}
}
private INavigationCommand FindCommand ( NavigationContext navigationContext )
{
var commandName = navigationContext.TryGetNavigationParameter<string> ( "CommandName" );
INavigationCommand commandToExecute;
if ( string.IsNullOrWhiteSpace ( commandName ) )
{
commandToExecute = DefaultCommand;
}
else
{
if ( !commandName.EndsWith ( "Command" ) )
{
commandName += "Command";
}
commandToExecute = _commandsList.ContainsKey ( commandName ) ? _commandsList[commandName] : DefaultCommand;
}
return commandToExecute;
}