source: branches/PerformanceComparison/HeuristicLab.OptimizationExpertSystem/3.3/Views/ExpertSystemViewBase.cs @ 13720

#region License Information
/* HeuristicLab
 * Copyright (C) 2002-2016 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 HeuristicLab.Common;
using HeuristicLab.Core.Views;
using HeuristicLab.MainForm;
using HeuristicLab.OptimizationExpertSystem.Common;
using System;
using System.ComponentModel;

namespace HeuristicLab.OptimizationExpertSystem {
  [View("Expert-System View")]
  public partial class ExpertSystemViewBase : ItemView {
    public OptimizationExpertSystem MainForm {
      get { return (OptimizationExpertSystem)HeuristicLab.MainForm.MainFormManager.MainForm; }
    }

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

    protected ExpertSystemViewBase() {
      InitializeComponent();
    }

    #region Event Registration
    protected override void RegisterContentEvents() {
      base.RegisterContentEvents();
      Content.PropertyChanged += ContentOnPropertyChanged;
      Content.DownloadStarted += ContentOnDownloadStarted;
      RegisterContentProblemEvents();
      RegisterContentProblemInstancesEvents();
      RegisterContentSolutionSeedingPoolEvents();
      RegisterContentSuggestedInstancesEvents();
    }

    private void RegisterContentProblemEvents() {
      Content.Problem.ProblemChanged += ContentOnProblemChanged;
      Content.Problem.Solutions.CollectionReset += ContentOnProblemSolutionsChanged;
      Content.Problem.Solutions.ItemsAdded += ContentOnProblemSolutionsChanged;
      Content.Problem.Solutions.ItemsReplaced += ContentOnProblemSolutionsChanged;
      Content.Problem.Solutions.ItemsRemoved += ContentOnProblemSolutionsChanged;
    }

    private void RegisterContentProblemInstancesEvents() {
      Content.ProblemInstances.UpdateOfRunsInProgressChanged += ContentOnProblemInstancesChanged;
      Content.ProblemInstances.ItemsAdded += ContentOnProblemInstancesChanged;
      Content.ProblemInstances.ItemsRemoved += ContentOnProblemInstancesChanged;
      Content.ProblemInstances.CollectionReset += ContentOnProblemInstancesChanged;
      Content.ProblemInstances.ItemChanged += ContentOnProblemInstancesChanged;
    }

    private void RegisterContentSolutionSeedingPoolEvents() {
      Content.SolutionSeedingPool.CheckedItemsChanged += ContentOnSolutionSeedingPoolChanged;
      Content.SolutionSeedingPool.CollectionReset += ContentOnSolutionSeedingPoolChanged;
      Content.SolutionSeedingPool.ItemsAdded += ContentOnSolutionSeedingPoolChanged;
      Content.SolutionSeedingPool.ItemsRemoved += ContentOnSolutionSeedingPoolChanged;
      Content.SolutionSeedingPool.ItemsReplaced += ContentOnSolutionSeedingPoolChanged;
    }

    private void RegisterContentSuggestedInstancesEvents() {
      Content.SuggestedInstances.CollectionReset += ContentOnSuggestedInstancesChanged;
      Content.SuggestedInstances.ItemsAdded += ContentOnSuggestedInstancesChanged;
      Content.SuggestedInstances.ItemsMoved += ContentOnSuggestedInstancesChanged;
      Content.SuggestedInstances.ItemsRemoved += ContentOnSuggestedInstancesChanged;
      Content.SuggestedInstances.ItemsReplaced += ContentOnSuggestedInstancesChanged;
    }

    protected override void DeregisterContentEvents() {
      base.DeregisterContentEvents();
      Content.PropertyChanged -= ContentOnPropertyChanged;
      Content.DownloadStarted -= ContentOnDownloadStarted;
      DeregisterContentProblemEvents();
      DeregisterContentProblemInstancesEvents();
      DeregisterContentSolutionSeedingPoolEvents();
      DeregisterContentSuggestedInstancesEvents();
    }

    private void DeregisterContentProblemEvents() {
      Content.Problem.ProblemChanged -= ContentOnProblemChanged;
      Content.Problem.Solutions.CollectionReset -= ContentOnProblemSolutionsChanged;
      Content.Problem.Solutions.ItemsAdded -= ContentOnProblemSolutionsChanged;
      Content.Problem.Solutions.ItemsReplaced -= ContentOnProblemSolutionsChanged;
      Content.Problem.Solutions.ItemsRemoved -= ContentOnProblemSolutionsChanged;
    }

    private void DeregisterContentProblemInstancesEvents() {
      Content.ProblemInstances.UpdateOfRunsInProgressChanged -= ContentOnProblemInstancesChanged;
      Content.ProblemInstances.ItemsAdded -= ContentOnProblemInstancesChanged;
      Content.ProblemInstances.ItemsRemoved -= ContentOnProblemInstancesChanged;
      Content.ProblemInstances.CollectionReset -= ContentOnProblemInstancesChanged;
      Content.ProblemInstances.ItemChanged -= ContentOnProblemInstancesChanged;
    }

    private void DeregisterContentSolutionSeedingPoolEvents() {
      Content.SolutionSeedingPool.CheckedItemsChanged -= ContentOnSolutionSeedingPoolChanged;
      Content.SolutionSeedingPool.CollectionReset -= ContentOnSolutionSeedingPoolChanged;
      Content.SolutionSeedingPool.ItemsAdded -= ContentOnSolutionSeedingPoolChanged;
      Content.SolutionSeedingPool.ItemsRemoved -= ContentOnSolutionSeedingPoolChanged;
      Content.SolutionSeedingPool.ItemsReplaced -= ContentOnSolutionSeedingPoolChanged;
    }

    private void DeregisterContentSuggestedInstancesEvents() {
      Content.SuggestedInstances.CollectionReset -= ContentOnSuggestedInstancesChanged;
      Content.SuggestedInstances.ItemsAdded -= ContentOnSuggestedInstancesChanged;
      Content.SuggestedInstances.ItemsMoved -= ContentOnSuggestedInstancesChanged;
      Content.SuggestedInstances.ItemsRemoved -= ContentOnSuggestedInstancesChanged;
      Content.SuggestedInstances.ItemsReplaced -= ContentOnSuggestedInstancesChanged;
    }
    #endregion

    private void ContentOnPropertyChanged(object sender, PropertyChangedEventArgs e) {
      if (InvokeRequired) Invoke((Action<string>)OnPropertyChanged, e.PropertyName);
      else {
        switch (e.PropertyName) {
          case "Problem": RegisterContentProblemEvents(); break;
          case "ProblemInstances": RegisterContentProblemInstancesEvents(); break;
          case "SolutionSeedingPool": RegisterContentSolutionSeedingPoolEvents(); break;
          case "SuggestedInstances": RegisterContentSuggestedInstancesEvents(); break;
        }
        OnPropertyChanged(e.PropertyName);
      }
    }

    protected virtual void OnDownloadStarted(IProgress progress) { }
    protected virtual void OnDownloadEnded() { }
    protected virtual void OnPropertyChanged(string propertyName) { }
    protected virtual void OnProblemChanged() { }
    protected virtual void OnProblemSolutionsChanged() { }
    protected virtual void OnProblemInstancesChanged() { }
    protected virtual void OnSolutionSeedingPoolChanged() { }
    protected virtual void OnSuggestedInstancesChanged() { }

    #region Content Event Handlers
    private void ContentOnDownloadStarted(object sender, EventArgs<IProgress> e) {
      if (InvokeRequired) { Invoke((Action<object, EventArgs<IProgress>>)ContentOnDownloadStarted, sender, e); return; }
      MainForm.AddOperationProgressToView(this, e.Value);
      e.Value.ProgressStateChanged += ProgressOnStateChanged;
      OnDownloadStarted(e.Value);
    }

    private void ProgressOnStateChanged(object sender, EventArgs e) {
      if (InvokeRequired) { Invoke((Action<object, EventArgs>)ProgressOnStateChanged, sender, e); return; }
      var progress = (IProgress)sender;
      if (progress == null || progress.ProgressState == ProgressState.Started) return;
      OnDownloadEnded();
    }

    private void ContentOnProblemChanged(object sender, EventArgs e) {
      if (InvokeRequired) Invoke((Action)OnProblemChanged);
      else OnProblemChanged();
    }

    private void ContentOnProblemSolutionsChanged(object sender, EventArgs e) {
      if (InvokeRequired) Invoke((Action)OnProblemSolutionsChanged);
      else OnProblemSolutionsChanged();
    }

    private void ContentOnProblemInstancesChanged(object sender, EventArgs e) {
      if (InvokeRequired) Invoke((Action)OnProblemInstancesChanged);
      else OnProblemInstancesChanged();
    }

    private void ContentOnSolutionSeedingPoolChanged(object sender, EventArgs e) {
      if (InvokeRequired) Invoke((Action)OnSolutionSeedingPoolChanged);
      else OnSolutionSeedingPoolChanged();
    }

    private void ContentOnSuggestedInstancesChanged(object sender, EventArgs e) {
      if (InvokeRequired) Invoke((Action)OnSuggestedInstancesChanged);
      else OnSuggestedInstancesChanged();
    }
    #endregion
  }
}