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source: trunk/sources/HeuristicLab.Optimization.Views/3.3/RunCollectionViews/RunCollectionDataTableView.cs @ 9456

Last change on this file since 9456 was 9456, checked in by swagner, 11 years ago

Updated copyright year and added some missing license headers (#1889)

File size: 9.2 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2013 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21
22using System;
23using System.Collections.Generic;
24using System.Linq;
25using System.Windows.Forms;
26using HeuristicLab.Analysis;
27using HeuristicLab.Collections;
28using HeuristicLab.Core.Views;
29using HeuristicLab.MainForm;
30
31namespace HeuristicLab.Optimization.Views {
32  [View("RunCollection DataTableView")]
33  [Content(typeof(RunCollection), false)]
34  public partial class RunCollectionDataTableView : ItemView {
35    private const string AllDataRows = "All DataRows";
36
37    public new RunCollection Content {
38      get { return (RunCollection)base.Content; }
39      set { base.Content = value; }
40    }
41
42    private int rowNumber = 0;
43    private bool suppressUpdates;
44    private readonly Dictionary<IRun, IEnumerable<DataRow>> runMapping;
45    private readonly DataTable combinedDataTable;
46    public DataTable CombinedDataTable {
47      get { return combinedDataTable; }
48    }
49
50    public RunCollectionDataTableView() {
51      InitializeComponent();
52      runMapping = new Dictionary<IRun, IEnumerable<DataRow>>();
53      combinedDataTable = new DataTable("Combined DataTable", "A data table containing data rows from multiple runs.");
54      viewHost.Content = combinedDataTable;
55      suppressUpdates = false;
56    }
57
58    #region Content events
59    protected override void RegisterContentEvents() {
60      base.RegisterContentEvents();
61      Content.ItemsAdded += new CollectionItemsChangedEventHandler<IRun>(Content_ItemsAdded);
62      Content.ItemsRemoved += new CollectionItemsChangedEventHandler<IRun>(Content_ItemsRemoved);
63      Content.CollectionReset += new CollectionItemsChangedEventHandler<IRun>(Content_CollectionReset);
64      Content.UpdateOfRunsInProgressChanged += new EventHandler(Content_UpdateOfRunsInProgressChanged);
65      Content.OptimizerNameChanged += new EventHandler(Content_AlgorithmNameChanged);
66    }
67    protected override void DeregisterContentEvents() {
68      Content.ItemsAdded -= new CollectionItemsChangedEventHandler<IRun>(Content_ItemsAdded);
69      Content.ItemsRemoved -= new CollectionItemsChangedEventHandler<IRun>(Content_ItemsRemoved);
70      Content.CollectionReset -= new CollectionItemsChangedEventHandler<IRun>(Content_CollectionReset);
71      Content.UpdateOfRunsInProgressChanged -= new EventHandler(Content_UpdateOfRunsInProgressChanged);
72      Content.OptimizerNameChanged -= new EventHandler(Content_AlgorithmNameChanged);
73      base.DeregisterContentEvents();
74    }
75
76    private void Content_ItemsAdded(object sender, CollectionItemsChangedEventArgs<IRun> e) {
77      if (InvokeRequired) {
78        Invoke(new CollectionItemsChangedEventHandler<IRun>(Content_ItemsAdded), sender, e);
79        return;
80      }
81      AddRuns(e.Items);
82    }
83    private void Content_ItemsRemoved(object sender, CollectionItemsChangedEventArgs<IRun> e) {
84      if (InvokeRequired) {
85        Invoke(new CollectionItemsChangedEventHandler<IRun>(Content_ItemsRemoved), sender, e);
86        return;
87      }
88      RemoveRuns(e.Items);
89    }
90    private void Content_CollectionReset(object sender, CollectionItemsChangedEventArgs<IRun> e) {
91      if (InvokeRequired) {
92        Invoke(new CollectionItemsChangedEventHandler<IRun>(Content_CollectionReset), sender, e);
93        return;
94      }
95      RemoveRuns(e.OldItems);
96      AddRuns(e.Items);
97    }
98    private void Content_AlgorithmNameChanged(object sender, EventArgs e) {
99      if (InvokeRequired)
100        Invoke(new EventHandler(Content_AlgorithmNameChanged), sender, e);
101      else UpdateCaption();
102    }
103    private void Content_UpdateOfRunsInProgressChanged(object sender, EventArgs e) {
104      if (InvokeRequired) {
105        Invoke(new EventHandler(Content_UpdateOfRunsInProgressChanged), sender, e);
106        return;
107      }
108      suppressUpdates = Content.UpdateOfRunsInProgress;
109      if (!suppressUpdates) UpdateRuns(Content);
110    }
111
112    private void RegisterRunEvents(IRun run) {
113      run.Changed += new System.EventHandler(run_Changed);
114    }
115    private void DeregisterRunEvents(IRun run) {
116      run.Changed -= new System.EventHandler(run_Changed);
117    }
118    private void run_Changed(object sender, EventArgs e) {
119      if (suppressUpdates) return;
120      var run = (IRun)sender;
121      UpdateRuns(new IRun[] { run });
122    }
123    #endregion
124
125    protected override void OnContentChanged() {
126      base.OnContentChanged();
127      dataTableComboBox.Items.Clear();
128      dataRowComboBox.Items.Clear();
129      combinedDataTable.Rows.Clear();
130      runMapping.Clear();
131
132      UpdateCaption();
133      if (Content != null) {
134        UpdateDataTableComboBox();
135      }
136    }
137
138    private void RebuildCombinedDataTable() {
139      RemoveRuns(Content);
140      rowNumber = 0;
141      AddRuns(Content);
142    }
143
144    private void AddRuns(IEnumerable<IRun> runs) {
145      foreach (var run in runs) {
146        runMapping[run] = ExtractDataRowsFromRun(run).ToList();
147        RegisterRunEvents(run);
148      }
149      var dataRows = runs.Where(r => r.Visible && runMapping.ContainsKey(r)).SelectMany(r => runMapping[r]);
150      combinedDataTable.Rows.AddRange(dataRows);
151    }
152
153    private void RemoveRuns(IEnumerable<IRun> runs) {
154      var dataRows = runs.Where(r => runMapping.ContainsKey(r)).SelectMany(r => runMapping[r]).ToList();
155      foreach (var run in runs) {
156        if (!runMapping.ContainsKey(run)) continue;
157        runMapping.Remove(run);
158        DeregisterRunEvents(run);
159      }
160      combinedDataTable.Rows.RemoveRange(dataRows);
161    }
162
163    private void UpdateRuns(IEnumerable<IRun> runs) {
164      if (suppressUpdates) return;
165      foreach (var run in runs) {
166        //update color
167        foreach (var dataRow in runMapping[run]) {
168          dataRow.VisualProperties.Color = run.Color;
169        }
170        //update visibility - remove and add all rows to keep the same order as before
171        combinedDataTable.Rows.Clear();
172        combinedDataTable.Rows.AddRange(runMapping.Where(mapping => mapping.Key.Visible).SelectMany(mapping => mapping.Value));
173      }
174    }
175
176    private IEnumerable<DataRow> ExtractDataRowsFromRun(IRun run) {
177      var resultName = (string)dataTableComboBox.SelectedItem;
178      var rowName = (string)dataRowComboBox.SelectedItem;
179      if (!run.Results.ContainsKey(resultName)) yield break;
180
181      var dataTable = (DataTable)run.Results[resultName];
182      foreach (var dataRow in dataTable.Rows) {
183        if (dataRow.Name != rowName && rowName != AllDataRows) continue;
184        rowNumber++;
185        var clonedRow = (DataRow)dataRow.Clone();
186        //row names must be unique -> add incremented number to the row name
187        clonedRow.Name = run.Name + "." + dataRow.Name + rowNumber;
188        clonedRow.VisualProperties.DisplayName = run.Name + "." + dataRow.Name;
189        clonedRow.VisualProperties.Color = run.Color;
190        yield return clonedRow;
191      }
192    }
193
194    private void UpdateDataTableComboBox() {
195      dataTableComboBox.Items.Clear();
196      var dataTables = (from run in Content
197                        from result in run.Results
198                        where result.Value is DataTable
199                        select result.Key).Distinct().ToArray();
200
201      dataTableComboBox.Items.AddRange(dataTables);
202      if (dataTableComboBox.Items.Count > 0) dataTableComboBox.SelectedItem = dataTableComboBox.Items[0];
203    }
204
205    private void UpdateCaption() {
206      Caption = Content != null ? Content.OptimizerName + " Data Table" : ViewAttribute.GetViewName(GetType());
207    }
208
209    private void UpdateDataRowComboBox() {
210      dataRowComboBox.Items.Clear();
211      var resultName = (string)dataTableComboBox.SelectedItem;
212      var dataTables = from run in Content
213                       where run.Results.ContainsKey(resultName)
214                       select run.Results[resultName] as DataTable;
215      var rowNames = (from dataTable in dataTables
216                      from row in dataTable.Rows
217                      select row.Name).Distinct().ToArray();
218
219      dataRowComboBox.Items.AddRange(rowNames);
220      dataRowComboBox.Items.Add(AllDataRows);
221      if (dataRowComboBox.Items.Count > 0) dataRowComboBox.SelectedItem = dataRowComboBox.Items[0];
222    }
223
224    private void dataTableComboBox_SelectedIndexChanged(object sender, System.EventArgs e) {
225      UpdateDataRowComboBox();
226    }
227    private void dataRowComboBox_SelectedIndexChanged(object sender, System.EventArgs e) {
228      RebuildCombinedDataTable();
229    }
230  }
231}
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