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source: stable/HeuristicLab.Core.Views/3.3/ItemListView.cs @ 17698

Last change on this file since 17698 was 17181, checked in by swagner, 5 years ago

#2875: Merged r17180 from trunk to stable
File size: 23.5 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 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;
24using System.Collections.Generic;
25using System.Drawing;
26using System.Linq;
27using System.Text;
28using System.Windows.Forms;
29using HeuristicLab.Collections;
30using HeuristicLab.Common;
31using HeuristicLab.MainForm;
32using HeuristicLab.PluginInfrastructure;
33
34namespace HeuristicLab.Core.Views {
35  [View("ItemList View")]
36  [Content(typeof(ItemList<>), true)]
37  [Content(typeof(IItemList<>), false)]
38  [Content(typeof(ReadOnlyItemList<>), true)]
39  public partial class ItemListView<T> : ItemView where T : class, IItem {
40    protected Dictionary<T, List<ListViewItem>> itemListViewItemMapping;
41    protected TypeSelectorDialog typeSelectorDialog;
42    protected bool validDragOperation;
43
44    public new IItemList<T> Content {
45      get { return (IItemList<T>)base.Content; }
46      set { base.Content = value; }
47    }
48
49    public ListView ItemsListView {
50      get { return itemsListView; }
51    }
52
53    public ItemListView() {
54      InitializeComponent();
55      itemListViewItemMapping = new Dictionary<T, List<ListViewItem>>();
56    }
57
58    protected override void Dispose(bool disposing) {
59      if (disposing) {
60        if (typeSelectorDialog != null) typeSelectorDialog.Dispose();
61        if (components != null) components.Dispose();
62      }
63      base.Dispose(disposing);
64    }
65
66    protected override void DeregisterContentEvents() {
67      Content.ItemsAdded -= new CollectionItemsChangedEventHandler<IndexedItem<T>>(Content_ItemsAdded);
68      Content.ItemsRemoved -= new CollectionItemsChangedEventHandler<IndexedItem<T>>(Content_ItemsRemoved);
69      Content.ItemsReplaced -= new CollectionItemsChangedEventHandler<IndexedItem<T>>(Content_ItemsReplaced);
70      Content.ItemsMoved -= new CollectionItemsChangedEventHandler<IndexedItem<T>>(Content_ItemsMoved);
71      Content.CollectionReset -= new CollectionItemsChangedEventHandler<IndexedItem<T>>(Content_CollectionReset);
72      foreach (T item in itemListViewItemMapping.Keys) {
73        DeregisterItemEvents(item);
74      }
75      base.DeregisterContentEvents();
76    }
77    protected override void RegisterContentEvents() {
78      base.RegisterContentEvents();
79      Content.ItemsAdded += new CollectionItemsChangedEventHandler<IndexedItem<T>>(Content_ItemsAdded);
80      Content.ItemsRemoved += new CollectionItemsChangedEventHandler<IndexedItem<T>>(Content_ItemsRemoved);
81      Content.ItemsReplaced += new CollectionItemsChangedEventHandler<IndexedItem<T>>(Content_ItemsReplaced);
82      Content.ItemsMoved += new CollectionItemsChangedEventHandler<IndexedItem<T>>(Content_ItemsMoved);
83      Content.CollectionReset += new CollectionItemsChangedEventHandler<IndexedItem<T>>(Content_CollectionReset);
84    }
85    protected virtual void DeregisterItemEvents(T item) {
86      item.ItemImageChanged -= new EventHandler(Item_ItemImageChanged);
87      item.ToStringChanged -= new EventHandler(Item_ToStringChanged);
88    }
89    protected virtual void RegisterItemEvents(T item) {
90      item.ItemImageChanged += new EventHandler(Item_ItemImageChanged);
91      item.ToStringChanged += new EventHandler(Item_ToStringChanged);
92    }
93
94    protected override void OnContentChanged() {
95      base.OnContentChanged();
96
97      int selectedIndex = -1;
98      if (itemsListView.SelectedItems.Count == 1) selectedIndex = itemsListView.SelectedIndices[0];
99
100      itemsListView.Items.Clear();
101      itemListViewItemMapping.Clear();
102      RebuildImageList();
103      viewHost.Content = null;
104      if (Content != null) {
105        foreach (T item in Content)
106          AddListViewItem(CreateListViewItem(item));
107        AdjustListViewColumnSizes();
108        if ((selectedIndex != -1) && (selectedIndex < itemsListView.Items.Count))
109          itemsListView.Items[selectedIndex].Selected = true;
110      }
111      SetEnabledStateOfControls();
112    }
113
114    protected override void SetEnabledStateOfControls() {
115      base.SetEnabledStateOfControls();
116      if (Content == null) {
117        addButton.Enabled = false;
118        moveUpButton.Enabled = false;
119        moveDownButton.Enabled = false;
120        removeButton.Enabled = false;
121        itemsListView.Enabled = false;
122        detailsGroupBox.Enabled = false;
123      } else {
124        addButton.Enabled = !Content.IsReadOnly && !ReadOnly;
125        moveUpButton.Enabled = itemsListView.SelectedItems.Count == 1 &&
126                               itemsListView.SelectedIndices[0] != 0 &&
127                               !Content.IsReadOnly && !ReadOnly;
128        moveDownButton.Enabled = itemsListView.SelectedItems.Count == 1 &&
129                                 itemsListView.SelectedIndices[0] != itemsListView.Items.Count - 1 &&
130                                 !Content.IsReadOnly && !ReadOnly;
131        removeButton.Enabled = itemsListView.SelectedItems.Count > 0 &&
132                               !Content.IsReadOnly && !ReadOnly;
133        itemsListView.Enabled = true;
134        detailsGroupBox.Enabled = itemsListView.SelectedItems.Count == 1;
135      }
136    }
137
138    protected virtual T CreateItem() {
139      if (typeSelectorDialog == null) {
140        typeSelectorDialog = new TypeSelectorDialog();
141        typeSelectorDialog.Caption = "Select Item";
142        typeSelectorDialog.TypeSelector.Caption = "Available Items";
143        typeSelectorDialog.TypeSelector.Configure(typeof(T), false, true);
144      }
145
146      if (typeSelectorDialog.ShowDialog(this) == DialogResult.OK) {
147        try {
148          return (T)typeSelectorDialog.TypeSelector.CreateInstanceOfSelectedType();
149        } catch (Exception ex) {
150          ErrorHandling.ShowErrorDialog(this, ex);
151        }
152      }
153      return null;
154    }
155    protected virtual ListViewItem CreateListViewItem(T item) {
156      ListViewItem listViewItem = new ListViewItem();
157      if (item == null) {
158        listViewItem.Text = "null";
159        itemsListView.SmallImageList.Images.Add(HeuristicLab.Common.Resources.VSImageLibrary.Nothing);
160        listViewItem.ImageIndex = itemsListView.SmallImageList.Images.Count - 1;
161      } else {
162        listViewItem.Text = item.ToString();
163        listViewItem.ToolTipText = item.ItemName + ": " + item.ItemDescription;
164        itemsListView.SmallImageList.Images.Add(item.ItemImage);
165        listViewItem.ImageIndex = itemsListView.SmallImageList.Images.Count - 1;
166        listViewItem.Tag = item;
167      }
168      return listViewItem;
169    }
170    protected virtual void AddListViewItem(ListViewItem listViewItem) {
171      if (listViewItem == null) throw new ArgumentNullException();
172      T item = (listViewItem.Tag as T);
173      itemsListView.Items.Add(listViewItem);
174      if (item != null) {
175        if (!itemListViewItemMapping.ContainsKey(item)) {
176          RegisterItemEvents(item);
177          itemListViewItemMapping.Add(item, new List<ListViewItem>());
178        }
179        itemListViewItemMapping[item].Add(listViewItem);
180      }
181    }
182    protected virtual void InsertListViewItem(int index, ListViewItem listViewItem) {
183      if (listViewItem == null) throw new ArgumentNullException();
184      T item = (listViewItem.Tag as T);
185      itemsListView.Items.Insert(index, listViewItem);
186      if (item != null) {
187        if (!itemListViewItemMapping.ContainsKey(item)) {
188          RegisterItemEvents(item);
189          itemListViewItemMapping.Add(item, new List<ListViewItem>());
190        }
191        itemListViewItemMapping[item].Add(listViewItem);
192      }
193    }
194    protected virtual void RemoveListViewItem(ListViewItem listViewItem) {
195      if (listViewItem == null) throw new ArgumentNullException();
196      T item = (listViewItem.Tag as T);
197      if (item != null) {
198        itemListViewItemMapping[item].Remove(listViewItem);
199        if (itemListViewItemMapping[item].Count == 0) {
200          itemListViewItemMapping.Remove(item);
201          DeregisterItemEvents(item);
202        }
203      }
204      listViewItem.Remove();
205    }
206    protected virtual void UpdateListViewItemImage(ListViewItem listViewItem) {
207      if (listViewItem == null) throw new ArgumentNullException();
208      T item = listViewItem.Tag as T;
209      int i = listViewItem.ImageIndex;
210      itemsListView.SmallImageList.Images[i] = item == null ? HeuristicLab.Common.Resources.VSImageLibrary.Nothing : item.ItemImage;
211      listViewItem.ImageIndex = -1;
212      listViewItem.ImageIndex = i;
213    }
214    protected virtual void UpdateListViewItemText(ListViewItem listViewItem) {
215      if (listViewItem == null) throw new ArgumentNullException();
216      T item = listViewItem.Tag as T;
217      listViewItem.Text = item == null ? "null" : item.ToString();
218      listViewItem.ToolTipText = item == null ? string.Empty : item.ItemName + ": " + item.ItemDescription;
219    }
220    protected virtual IEnumerable<ListViewItem> GetListViewItemsForItem(T item) {
221      if (item == null) {
222        List<ListViewItem> listViewItems = new List<ListViewItem>();
223        foreach (ListViewItem listViewItem in itemsListView.Items) {
224          if (listViewItem.Tag == null) listViewItems.Add(listViewItem);
225        }
226        return listViewItems;
227      } else {
228        List<ListViewItem> listViewItems = null;
229        itemListViewItemMapping.TryGetValue(item, out listViewItems);
230        return listViewItems == null ? Enumerable.Empty<ListViewItem>() : listViewItems;
231      }
232    }
233
234    #region ListView Events
235    protected virtual void itemsListView_SelectedIndexChanged(object sender, EventArgs e) {
236      moveUpButton.Enabled = itemsListView.SelectedItems.Count == 1 &&
237                             itemsListView.SelectedIndices[0] != 0 &&
238                             (Content != null) && !Content.IsReadOnly && !ReadOnly;
239      moveDownButton.Enabled = itemsListView.SelectedItems.Count == 1 &&
240                               itemsListView.SelectedIndices[0] != itemsListView.Items.Count - 1 &&
241                               (Content != null) && !Content.IsReadOnly && !ReadOnly;
242      removeButton.Enabled = itemsListView.SelectedItems.Count > 0 &&
243                             (Content != null) && !Content.IsReadOnly && !ReadOnly;
244     
245      if (showDetailsCheckBox.Checked) {
246        if (itemsListView.SelectedItems.Count == 1) {
247          T item = (T)itemsListView.SelectedItems[0].Tag;
248          detailsGroupBox.Enabled = true;
249          viewHost.Content = item;
250        } else {
251          viewHost.Content = null;
252          detailsGroupBox.Enabled = false;
253        }
254      }
255    }
256
257    protected virtual void itemsListView_KeyDown(object sender, KeyEventArgs e) {
258      if (e.KeyCode == Keys.Delete) {
259        if ((itemsListView.SelectedItems.Count > 0) && !Content.IsReadOnly && !ReadOnly) {
260          foreach (ListViewItem item in itemsListView.SelectedItems)
261            Content.RemoveAt(item.Index);
262        }
263      } else if (e.KeyData == (Keys.Control | Keys.C)) {
264        if (itemsListView.SelectedItems.Count > 0) {
265          var builder = new StringBuilder();
266          foreach (ListViewItem selected in itemsListView.SelectedItems) {
267            builder.AppendLine(selected.Text);
268          }
269          Clipboard.SetText(builder.ToString());
270        }
271      } else if (itemsListView.MultiSelect && e.KeyData == (Keys.A | Keys.Control)) {
272        try {
273          itemsListView.BeginUpdate();
274          foreach (ListViewItem item in itemsListView.Items)
275            item.Selected = true;
276        } finally { itemsListView.EndUpdate(); }
277      }
278    }
279
280    protected virtual void itemsListView_DoubleClick(object sender, EventArgs e) {
281      if (itemsListView.SelectedItems.Count == 1) {
282        T item = itemsListView.SelectedItems[0].Tag as T;
283        if (item != null) {
284          IContentView view = MainFormManager.MainForm.ShowContent(item);
285          if (view != null) {
286            view.ReadOnly = ReadOnly;
287            view.Locked = Locked;
288          }
289        }
290      }
291    }
292
293    protected virtual void itemsListView_ItemDrag(object sender, ItemDragEventArgs e) {
294      if (!Locked) {
295        List<T> items = new List<T>();
296        foreach (ListViewItem listViewItem in itemsListView.SelectedItems) {
297          T item = listViewItem.Tag as T;
298          if (item != null) items.Add(item);
299        }
300
301        if (items.Count > 0) {
302          DataObject data = new DataObject();
303          if (items.Count == 1) data.SetData(HeuristicLab.Common.Constants.DragDropDataFormat, items[0]);
304          else data.SetData(HeuristicLab.Common.Constants.DragDropDataFormat, items);
305          if (Content.IsReadOnly || ReadOnly) {
306            DoDragDrop(data, DragDropEffects.Copy | DragDropEffects.Link);
307          } else {
308            DragDropEffects result = DoDragDrop(data, DragDropEffects.Copy | DragDropEffects.Link | DragDropEffects.Move);
309            if ((result & DragDropEffects.Move) == DragDropEffects.Move) {
310              foreach (ListViewItem listViewItem in itemsListView.SelectedItems.Cast<ListViewItem>().ToArray()) {
311                if (listViewItem.Tag != null) Content.RemoveAt(listViewItem.Index);
312              }
313            }
314          }
315        }
316      }
317    }
318    protected virtual void itemsListView_DragEnter(object sender, DragEventArgs e) {
319      validDragOperation = false;
320      if (!Content.IsReadOnly && !ReadOnly && (e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat) is T)) {
321        validDragOperation = true;
322      } else if (!Content.IsReadOnly && !ReadOnly && (e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat) is IEnumerable)) {
323        validDragOperation = true;
324        IEnumerable items = (IEnumerable)e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat);
325        foreach (object item in items)
326          validDragOperation = validDragOperation && (item is T);
327      }
328    }
329    protected virtual void itemsListView_DragOver(object sender, DragEventArgs e) {
330      e.Effect = DragDropEffects.None;
331      if (validDragOperation) {
332        if ((e.KeyState & 32) == 32) e.Effect = DragDropEffects.Link;  // ALT key
333        else if ((e.KeyState & 4) == 4) e.Effect = DragDropEffects.Move;  // SHIFT key
334        else if (e.AllowedEffect.HasFlag(DragDropEffects.Copy)) e.Effect = DragDropEffects.Copy;
335        else if (e.AllowedEffect.HasFlag(DragDropEffects.Move)) e.Effect = DragDropEffects.Move;
336        else if (e.AllowedEffect.HasFlag(DragDropEffects.Link)) e.Effect = DragDropEffects.Link;
337      }
338    }
339    protected virtual void itemsListView_DragDrop(object sender, DragEventArgs e) {
340      if (e.Effect != DragDropEffects.None) {
341        Point p = itemsListView.PointToClient(new Point(e.X, e.Y));
342        ListViewItem listViewItem = itemsListView.GetItemAt(p.X, p.Y);
343
344        if (e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat) is T) {
345          T item = (T)e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat);
346          if (listViewItem != null) Content.Insert(listViewItem.Index, e.Effect.HasFlag(DragDropEffects.Copy) ? (T)item.Clone() : item);
347          else Content.Add(e.Effect.HasFlag(DragDropEffects.Copy) ? (T)item.Clone() : item);
348        } else if (e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat) is IEnumerable) {
349          IEnumerable<T> items = ((IEnumerable)e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat)).Cast<T>();
350          if (e.Effect.HasFlag(DragDropEffects.Copy)) {
351            Cloner cloner = new Cloner();
352            items = items.Select(x => cloner.Clone(x));
353          }
354          foreach (T item in items) {
355            if (listViewItem != null) Content.Insert(listViewItem.Index, item);
356            else Content.Add(item);
357          }
358        }
359      }
360    }
361    protected virtual void itemsListView_Layout(object sender, LayoutEventArgs e) {
362      if (itemsListView.Columns.Count == 1)
363        AdjustListViewColumnSizes();
364    }
365    #endregion
366
367    #region Button Events
368    protected virtual void addButton_Click(object sender, EventArgs e) {
369      T item = CreateItem();
370      if (item != null)
371        Content.Add(item);
372    }
373    protected virtual void moveUpButton_Click(object sender, EventArgs e) {
374      if (itemsListView.SelectedItems.Count == 1) {
375        int index = itemsListView.SelectedIndices[0];
376        Content.Reverse(index - 1, 2);
377        itemsListView.Items[index].Selected = false;
378        itemsListView.Items[index - 1].Selected = true;
379      }
380    }
381    protected virtual void moveDownButton_Click(object sender, EventArgs e) {
382      if (itemsListView.SelectedItems.Count == 1) {
383        int index = itemsListView.SelectedIndices[0];
384        Content.Reverse(index, 2);
385        itemsListView.Items[index].Selected = false;
386        itemsListView.Items[index + 1].Selected = true;
387      }
388    }
389    protected virtual void removeButton_Click(object sender, EventArgs e) {
390      if (itemsListView.SelectedItems.Count > 0) {
391        foreach (ListViewItem item in itemsListView.SelectedItems)
392          Content.RemoveAt(item.Index);
393      }
394    }
395    #endregion
396
397    #region CheckBox Events
398    protected virtual void showDetailsCheckBox_CheckedChanged(object sender, EventArgs e) {
399      if (showDetailsCheckBox.Checked) {
400        splitContainer.Panel2Collapsed = false;
401        detailsGroupBox.Enabled = itemsListView.SelectedItems.Count == 1;
402        viewHost.Content = itemsListView.SelectedItems.Count == 1 ? (T)itemsListView.SelectedItems[0].Tag : null;
403      } else {
404        splitContainer.Panel2Collapsed = true;
405        viewHost.Content = null;
406      }
407    }
408    #endregion
409
410    #region Content Events
411    protected virtual void Content_ItemsAdded(object sender, CollectionItemsChangedEventArgs<IndexedItem<T>> e) {
412      if (InvokeRequired)
413        Invoke(new CollectionItemsChangedEventHandler<IndexedItem<T>>(Content_ItemsAdded), sender, e);
414      else {
415        foreach (IndexedItem<T> item in e.Items)
416          InsertListViewItem(item.Index, CreateListViewItem(item.Value));
417        AdjustListViewColumnSizes();
418      }
419    }
420    protected virtual void Content_ItemsRemoved(object sender, CollectionItemsChangedEventArgs<IndexedItem<T>> e) {
421      if (InvokeRequired)
422        Invoke(new CollectionItemsChangedEventHandler<IndexedItem<T>>(Content_ItemsRemoved), sender, e);
423      else {
424        List<ListViewItem> listViewItems = new List<ListViewItem>();
425        foreach (IndexedItem<T> item in e.Items)
426          listViewItems.Add(itemsListView.Items[item.Index]);
427        foreach (ListViewItem listViewItem in listViewItems)
428          RemoveListViewItem(listViewItem);
429        RebuildImageList();
430      }
431    }
432    protected virtual void Content_ItemsReplaced(object sender, CollectionItemsChangedEventArgs<IndexedItem<T>> e) {
433      if (InvokeRequired)
434        Invoke(new CollectionItemsChangedEventHandler<IndexedItem<T>>(Content_ItemsReplaced), sender, e);
435      else {
436        int[] selected = new int[itemsListView.SelectedIndices.Count];
437        itemsListView.SelectedIndices.CopyTo(selected, 0);
438
439        List<ListViewItem> listViewItems = new List<ListViewItem>();
440        foreach (IndexedItem<T> item in e.OldItems)
441          listViewItems.Add(itemsListView.Items[item.Index]);
442        foreach (ListViewItem listViewItem in listViewItems)
443          RemoveListViewItem(listViewItem);
444        RebuildImageList();
445
446        foreach (IndexedItem<T> item in e.Items)
447          InsertListViewItem(item.Index, CreateListViewItem(item.Value));
448        AdjustListViewColumnSizes();
449
450        for (int i = 0; i < selected.Length; i++)
451          itemsListView.Items[selected[i]].Selected = true;
452      }
453    }
454    protected virtual void Content_ItemsMoved(object sender, CollectionItemsChangedEventArgs<IndexedItem<T>> e) {
455      if (InvokeRequired)
456        Invoke(new CollectionItemsChangedEventHandler<IndexedItem<T>>(Content_ItemsMoved), sender, e);
457      else {
458        foreach (IndexedItem<T> item in e.Items) {
459          ListViewItem listViewItem = itemsListView.Items[item.Index];
460          if (listViewItem.Tag != null)
461            itemListViewItemMapping[(T)listViewItem.Tag].Remove(listViewItem);
462          listViewItem.Tag = item.Value;
463          if (listViewItem.Tag != null)
464            itemListViewItemMapping[item.Value].Add(listViewItem);
465          UpdateListViewItemImage(listViewItem);
466          UpdateListViewItemText(listViewItem);
467        }
468      }
469    }
470    protected virtual void Content_CollectionReset(object sender, CollectionItemsChangedEventArgs<IndexedItem<T>> e) {
471      if (InvokeRequired)
472        Invoke(new CollectionItemsChangedEventHandler<IndexedItem<T>>(Content_CollectionReset), sender, e);
473      else {
474        List<ListViewItem> listViewItems = new List<ListViewItem>();
475        foreach (IndexedItem<T> item in e.OldItems)
476          listViewItems.Add(itemsListView.Items[item.Index]);
477        foreach (ListViewItem listViewItem in listViewItems)
478          RemoveListViewItem(listViewItem);
479        RebuildImageList();
480
481        foreach (IndexedItem<T> item in e.Items)
482          InsertListViewItem(item.Index, CreateListViewItem(item.Value));
483        AdjustListViewColumnSizes();
484      }
485    }
486    #endregion
487
488    #region Item Events
489    protected virtual void Item_ItemImageChanged(object sender, EventArgs e) {
490      if (InvokeRequired)
491        Invoke(new EventHandler(Item_ItemImageChanged), sender, e);
492      else {
493        T item = (T)sender;
494        foreach (ListViewItem listViewItem in GetListViewItemsForItem(item))
495          UpdateListViewItemImage(listViewItem);
496      }
497    }
498    protected virtual void Item_ToStringChanged(object sender, EventArgs e) {
499      if (InvokeRequired)
500        Invoke(new EventHandler(Item_ToStringChanged), sender, e);
501      else {
502        T item = (T)sender;
503        foreach (ListViewItem listViewItem in GetListViewItemsForItem(item))
504          UpdateListViewItemText(listViewItem);
505        if (itemsListView.Columns.Count > 1)
506          AdjustListViewColumnSizes();
507      }
508    }
509    #endregion
510
511    #region Helpers
512    protected virtual void AdjustListViewColumnSizes() {
513      if (itemsListView.Columns.Count == 1) {
514        if (itemsListView.Columns[0].Width != itemsListView.ClientSize.Width)
515          itemsListView.Columns[0].Width = itemsListView.ClientSize.Width;
516      } else {
517        if (itemsListView.Items.Count > 0) {
518          for (int i = 0; i < itemsListView.Columns.Count; i++)
519            itemsListView.Columns[i].AutoResize(ColumnHeaderAutoResizeStyle.ColumnContent);
520        }
521      }
522    }
523    protected virtual void RebuildImageList() {
524      itemsListView.SmallImageList.Images.Clear();
525      foreach (ListViewItem listViewItem in itemsListView.Items) {
526        T item = listViewItem.Tag as T;
527        itemsListView.SmallImageList.Images.Add(item == null ? HeuristicLab.Common.Resources.VSImageLibrary.Nothing : item.ItemImage);
528        listViewItem.ImageIndex = itemsListView.SmallImageList.Images.Count - 1;
529      }
530    }
531    #endregion
532  }
533}
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