source: branches/ChangeDatasetOfRegressionModel/HeuristicLab.Problems.DataAnalysis.Views/3.4/Solution Views/RegressionSolutionView.cs @ 7399

#region License Information
/* HeuristicLab
 * Copyright (C) 2002-2012 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;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using HeuristicLab.Core;
using HeuristicLab.MainForm;
using HeuristicLab.Persistence.Default.Xml;
using HeuristicLab.PluginInfrastructure;

namespace HeuristicLab.Problems.DataAnalysis.Views {
  [View("RegressionSolution View")]
  [Content(typeof(RegressionSolutionBase), false)]
  public partial class RegressionSolutionView : DataAnalysisSolutionView {
    public RegressionSolutionView() {
      InitializeComponent();
    }

    public new RegressionSolutionBase Content {
      get { return (RegressionSolutionBase)base.Content; }
      set { base.Content = value; }
    }

    protected override void SetEnabledStateOfControls() {
      base.SetEnabledStateOfControls();
      btnImport.Enabled = !Locked && !ReadOnly && Content != null;
    }

    #region drag and drop
    protected override void itemsListView_DragEnter(object sender, DragEventArgs e) {
      validDragOperation = false;
      if (ReadOnly) return;

      var dropData = e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat);
      if (dropData is RegressionProblemData) validDragOperation = true;
      else if (dropData is IValueParameter) {
        var param = (IValueParameter)dropData;
        if (param.Value is RegressionProblemData) validDragOperation = true;
      }
    }
    #endregion

    private void btnImport_Click(object sender, System.EventArgs e) {
      if (openFileDialog.ShowDialog(this) == DialogResult.OK) {
        object hlFile = null;
        try {
          hlFile = XmlParser.Deserialize(openFileDialog.FileName);
        }
        catch (Exception ex) {
          ErrorHandling.ShowErrorDialog(this, ex);
        }

        if (hlFile != null) {
          IRegressionProblemData problemData = null;
          if (hlFile is RegressionProblemData) {
            problemData = (RegressionProblemData)hlFile;
          } else if (hlFile is IRegressionProblem) {
            problemData = ((IRegressionProblem)hlFile).ProblemData;
          } else if (hlFile is IRegressionSolution) {
            problemData = ((IRegressionSolution)hlFile).ProblemData;
          }

          if (problemData == null) {
            ErrorHandling.ShowErrorDialog(this,
              new NullReferenceException("The problem data is null." + Environment.NewLine
                                       + "The .hl-file is no RegressionProblemData or RegressionProblem."));
          } else {
            StringBuilder message = new StringBuilder();
            if (!problemData.TargetVariable.Equals(Content.ProblemData.TargetVariable))
              message.AppendLine("The target variables are not matching. Old target variable: '"
                               + Content.ProblemData.TargetVariable
                               + "'. New targetvariable: '" + problemData.TargetVariable + "'");

            List<string> variables = problemData.InputVariables.Select(x => x.Value).ToList();

            foreach (var item in Content.ProblemData.InputVariables.CheckedItems) {
              if (!variables.Contains(item.Value.Value))
                message.AppendLine("Input variable '" + item.Value.Value + "' is not in the new problem data.");
            }

            if (message.Length != 0)
              ErrorHandling.ShowErrorDialog(this, new Exception(message.ToString()));
            else
              Content.ProblemData = problemData;
          }
        }
      }
    }
  }
}