source: branches/PersistenceOverhaul/HeuristicLab.DataPreprocessing.Views/3.4/DataPreprocessorStarter.cs

#region License Information
/* HeuristicLab
 * Copyright (C) 2002-2015 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
 *
 * This file is part of HeuristicLab.
 *
 * HeuristicLab is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * HeuristicLab is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
 */
#endregion

using System.Windows.Forms;
using HeuristicLab.MainForm;
using HeuristicLab.Optimization;
using HeuristicLab.Problems.DataAnalysis;
using HeuristicLab.Problems.DataAnalysis.Views;

namespace HeuristicLab.DataPreprocessing.Views {
  public class DataPreprocessorStarter : IDataPreprocessorStarter {

    public void Start(IDataAnalysisProblemData problemData, IContentView currentView) {
      IAlgorithm algorithm;
      IDataAnalysisProblem problem;
      GetMostOuterContent(currentView as Control, out algorithm, out problem);
      var context = new PreprocessingContext(problemData, algorithm, problem);
      MainFormManager.MainForm.ShowContent(context);
    }

    private void GetMostOuterContent(Control control, out IAlgorithm algorithm, out IDataAnalysisProblem problem) {
      algorithm = null;
      problem = null;

      while (control != null) {
        IContentView contentView = control as IContentView;
        if (contentView != null) {
          var newAlgorithm = contentView.Content as IAlgorithm;
          if (newAlgorithm != null)
            algorithm = newAlgorithm;
          var newProblem = contentView.Content as IDataAnalysisProblem;
          if (newProblem != null)
            problem = newProblem;
        }
        control = control.Parent;
      }
    }
  }
}