source: branches/HeuristicLab.BinPacking/HeuristicLab.Problems.BinPacking.Views/3.3/PackingPlans/PackingPlan2DView.cs @ 13466

#region License Information
/* HeuristicLab
 * Copyright (C) 2002-2015 Joseph Helm and 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 HeuristicLab.Core.Views;
using HeuristicLab.MainForm;
using HeuristicLab.Encodings.PackingEncoding.PackingPlan;
using HeuristicLab.Problems.BinPacking.PackingItem;
using HeuristicLab.Problems.BinPacking.PackingBin;
using HeuristicLab.Problems.BinPacking.Dimensions;

namespace HeuristicLab.Problems.BinPacking.Views {
  [View("2-dimensional packing plan view")]
  [Content(typeof(PackingPlan<TwoDimensionalPacking, RectangularPackingBin, RectangularPackingItem>), true)]
  public partial class PackingPlan2DView : ItemView {

    public PackingPlan2DView() {
      InitializeComponent();
    }

    protected override void DeregisterContentEvents() {
      Content.QualityChanged -= new EventHandler(Content_QualityChanged);
      base.DeregisterContentEvents();
    }
    protected override void RegisterContentEvents() {
      base.RegisterContentEvents();
      Content.QualityChanged += new EventHandler(Content_QualityChanged);
    }


    public new PackingPlan<TwoDimensionalPacking, RectangularPackingBin, RectangularPackingItem> Content {
      get { return (PackingPlan<TwoDimensionalPacking, RectangularPackingBin, RectangularPackingItem>)base.Content; }
      set { base.Content = value; }
    }


    protected override void OnContentChanged() {
      base.OnContentChanged();
      binSelection.Items.Clear();
      if (Content == null) {
        ClearState();
      } else {
        for (int i = 0; i < Content.NrOfBins; i++)
          binSelection.Items.Add(i);
        UpdateState(Content);
      }
    }


    private void ClearState() {
      packingPlan2D.InitializeContainer(0, 0);
    }

    private void UpdateState(PackingPlan<TwoDimensionalPacking, RectangularPackingBin, RectangularPackingItem> plan) {     
      int currentBin = (binSelection != null && binSelection.SelectedItem != null) ? (int)(binSelection.SelectedItem) : 0;
      var bin = plan.BinPackings[currentBin].BinMeasures;
      packingPlan2D.InitializeContainer(bin.Width, bin.Height);
      foreach (var entry in plan.BinPackings[currentBin].ItemMeasures) {
        var position = plan.BinPackings[currentBin].ItemPositions[entry.Key];
          packingPlan2D.AddItemToContainer(
            position.Rotated ? entry.Value.Height : entry.Value.Width,
            position.Rotated ? entry.Value.Width : entry.Value.Height, 
            position.X, position.Y, entry.Key.ToString());
      }
    }

    private void binSelection_SelectedIndexChanged(object sender, EventArgs e) {
      UpdateState(Content);
      packingPlan2D.Refresh();
    }



    private void Content_QualityChanged(object sender, EventArgs e) {
      if (InvokeRequired)
        Invoke(new EventHandler(Content_QualityChanged), sender, e);
      else {
        binSelection.Items.Clear();
        if (Content == null) {
          ClearState();
        } else {
          for (int i = 0; i < Content.NrOfBins; i++)
            binSelection.Items.Add(i);
          UpdateState(Content);
        }
        packingPlan2D.Refresh();
      }
    }  
  }
}