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source: branches/HeuristicLab.MetaOptimization/HeuristicLab.Problems.MetaOptimization.Views/3.3/ItemDictionaryView.cs @ 7887

Last change on this file since 7887 was 5303, checked in by cneumuel, 14 years ago

#1215

  • manipulators for one and all parameters
  • SolutionCache to avoid multiple evaluations of equal solutions
  • RunsAnalyzer which stores all base level runs
  • ItemDictionaryView for runs
File size: 15.6 KB
Line 
1using System;
2using System.Collections.Generic;
3using System.ComponentModel;
4using System.Drawing;
5using System.Data;
6using System.Linq;
7using System.Text;
8using System.Windows.Forms;
9using HeuristicLab.MainForm;
10using HeuristicLab.Core;
11using HeuristicLab.Core.Views;
12using HeuristicLab.Collections;
13using HeuristicLab.PluginInfrastructure;
14
15namespace HeuristicLab.Problems.MetaOptimization.Views {
16
17  [View("ItemDictionaryView")]
18  [Content(typeof(ItemDictionary<,>), IsDefaultView = false)]
19  public partial class ItemDictionaryView<K, T> : ItemView
20    where K : class, IItem
21    where T : class, IItem {
22    protected Dictionary<KeyValuePair<K, T>, List<ListViewItem>> itemListViewItemMapping;
23    protected TypeSelectorDialog typeSelectorDialog;
24
25    public new ItemDictionary<K, T> Content {
26      get { return (ItemDictionary<K, T>)base.Content; }
27      set { base.Content = value; }
28    }
29
30    public ListView ItemsListView {
31      get { return itemsListView; }
32    }
33
34    public ItemDictionaryView() {
35      InitializeComponent();
36      itemListViewItemMapping = new Dictionary<KeyValuePair<K, T>, List<ListViewItem>>();
37    }
38
39    protected override void Dispose(bool disposing) {
40      if (disposing) {
41        if (typeSelectorDialog != null) typeSelectorDialog.Dispose();
42        if (components != null) components.Dispose();
43      }
44      base.Dispose(disposing);
45    }
46
47    protected override void DeregisterContentEvents() {
48      Content.ItemsAdded -= new CollectionItemsChangedEventHandler<KeyValuePair<K, T>>(Content_ItemsAdded);
49      Content.ItemsRemoved -= new CollectionItemsChangedEventHandler<KeyValuePair<K, T>>(Content_ItemsRemoved);
50      Content.CollectionReset -= new CollectionItemsChangedEventHandler<KeyValuePair<K, T>>(Content_CollectionReset);
51      foreach (KeyValuePair<K, T> item in itemListViewItemMapping.Keys) {
52        DeregisterItemEvents(item);
53      }
54      base.DeregisterContentEvents();
55    }
56    protected override void RegisterContentEvents() {
57      base.RegisterContentEvents();
58      Content.ItemsAdded += new CollectionItemsChangedEventHandler<KeyValuePair<K, T>>(Content_ItemsAdded);
59      Content.ItemsRemoved += new CollectionItemsChangedEventHandler<KeyValuePair<K, T>>(Content_ItemsRemoved);
60      Content.CollectionReset += new CollectionItemsChangedEventHandler<KeyValuePair<K, T>>(Content_CollectionReset);
61    }
62    protected virtual void DeregisterItemEvents(KeyValuePair<K, T> item) {
63      item.Value.ItemImageChanged -= new EventHandler(Item_ItemImageChanged);
64      item.Key.ToStringChanged -= new EventHandler(Item_ToStringChanged);
65    }
66    protected virtual void RegisterItemEvents(KeyValuePair<K, T> item) {
67      item.Value.ItemImageChanged += new EventHandler(Item_ItemImageChanged);
68      item.Key.ToStringChanged += new EventHandler(Item_ToStringChanged);
69    }
70
71    protected override void OnContentChanged() {
72      base.OnContentChanged();
73      itemsListView.Items.Clear();
74      itemListViewItemMapping.Clear();
75      RebuildImageList();
76      viewHost.Content = null;
77      if (Content != null) {
78        Caption += " (" + Content.GetType().Name + ")";
79        foreach (KeyValuePair<K, T> item in Content)
80          AddListViewItem(CreateListViewItem(item));
81        AdjustListViewColumnSizes();
82        SortItemsListView(SortOrder.Ascending);
83      }
84    }
85
86    protected override void SetEnabledStateOfControls() {
87      base.SetEnabledStateOfControls();
88      if (Content == null) {
89        addButton.Enabled = false;
90        sortAscendingButton.Enabled = false;
91        sortDescendingButton.Enabled = false;
92        removeButton.Enabled = false;
93        itemsListView.Enabled = false;
94        detailsGroupBox.Enabled = false;
95      } else {
96        addButton.Enabled = !ReadOnly;
97        sortAscendingButton.Enabled = itemsListView.Items.Count > 1;
98        sortDescendingButton.Enabled = itemsListView.Items.Count > 1;
99        removeButton.Enabled = !ReadOnly && itemsListView.SelectedItems.Count > 0;
100        itemsListView.Enabled = true;
101        detailsGroupBox.Enabled = itemsListView.SelectedItems.Count == 1;
102      }
103    }
104
105    protected virtual T CreateItem() {
106      if (typeSelectorDialog == null) {
107        typeSelectorDialog = new TypeSelectorDialog();
108        typeSelectorDialog.Caption = "Select Item";
109        typeSelectorDialog.TypeSelector.Caption = "Available Items";
110        typeSelectorDialog.TypeSelector.Configure(typeof(T), false, true);
111      }
112
113      if (typeSelectorDialog.ShowDialog(this) == DialogResult.OK) {
114        try {
115          return (T)typeSelectorDialog.TypeSelector.CreateInstanceOfSelectedType();
116        }
117        catch (Exception ex) {
118          ErrorHandling.ShowErrorDialog(this, ex);
119        }
120      }
121      return null;
122    }
123    protected virtual ListViewItem CreateListViewItem(KeyValuePair<K, T> item) {
124      ListViewItem listViewItem = new ListViewItem();
125      listViewItem.Text = item.Key.ToString();
126      listViewItem.ToolTipText = item.Key.ItemName + ": " + item.Key.ItemDescription;
127      itemsListView.SmallImageList.Images.Add(item.Value.ItemImage);
128      listViewItem.ImageIndex = itemsListView.SmallImageList.Images.Count - 1;
129      listViewItem.Tag = item;
130      return listViewItem;
131    }
132    protected virtual void AddListViewItem(ListViewItem listViewItem) {
133      KeyValuePair<K, T> item = (KeyValuePair<K, T>)listViewItem.Tag;
134      itemsListView.Items.Add(listViewItem);
135      if (!itemListViewItemMapping.ContainsKey(item)) {
136        RegisterItemEvents(item);
137        itemListViewItemMapping.Add(item, new List<ListViewItem>());
138      }
139      itemListViewItemMapping[item].Add(listViewItem);
140      sortAscendingButton.Enabled = itemsListView.Items.Count > 1;
141      sortDescendingButton.Enabled = itemsListView.Items.Count > 1;
142    }
143    protected virtual void RemoveListViewItem(ListViewItem listViewItem) {
144      KeyValuePair<K, T> item = (KeyValuePair<K, T>)listViewItem.Tag;
145      itemListViewItemMapping[item].Remove(listViewItem);
146      if (itemListViewItemMapping[item].Count == 0) {
147        itemListViewItemMapping.Remove(item);
148        DeregisterItemEvents(item);
149      }
150      listViewItem.Remove();
151      sortAscendingButton.Enabled = itemsListView.Items.Count > 1;
152      sortDescendingButton.Enabled = itemsListView.Items.Count > 1;
153    }
154    protected virtual void UpdateListViewItemImage(ListViewItem listViewItem) {
155      KeyValuePair<K, T> item = (KeyValuePair<K, T>)listViewItem.Tag;
156      int i = listViewItem.ImageIndex;
157      listViewItem.ImageList.Images[i] = item.Value.ItemImage;
158      listViewItem.ImageIndex = -1;
159      listViewItem.ImageIndex = i;
160    }
161    protected virtual void UpdateListViewItemText(ListViewItem listViewItem) {
162      KeyValuePair<K, T> item = (KeyValuePair<K, T>)listViewItem.Tag;
163      listViewItem.Text = item.Key.ToString();
164      listViewItem.ToolTipText = item.Value.ItemName + ": " + item.Value.ItemDescription;
165    }
166    protected virtual IEnumerable<ListViewItem> GetListViewItemsForItem(KeyValuePair<K, T> item) {
167      List<ListViewItem> listViewItems = null;
168      itemListViewItemMapping.TryGetValue(item, out listViewItems);
169      return listViewItems == null ? Enumerable.Empty<ListViewItem>() : listViewItems;
170    }
171
172    #region ListView Events
173    protected virtual void itemsListView_SelectedIndexChanged(object sender, EventArgs e) {
174      removeButton.Enabled = (Content != null) && !ReadOnly && itemsListView.SelectedItems.Count > 0;
175      AdjustListViewColumnSizes();
176      if (showDetailsCheckBox.Checked) {
177        if (itemsListView.SelectedItems.Count == 1) {
178          KeyValuePair<K, T> item = (KeyValuePair<K, T>)itemsListView.SelectedItems[0].Tag;
179          detailsGroupBox.Enabled = true;
180          viewHost.Content = item.Value;
181        } else {
182          viewHost.Content = null;
183          detailsGroupBox.Enabled = false;
184        }
185      }
186    }
187    protected virtual void itemsListView_KeyDown(object sender, KeyEventArgs e) {
188      if (e.KeyCode == Keys.Delete) {
189        if ((itemsListView.SelectedItems.Count > 0) && !ReadOnly) {
190          foreach (ListViewItem item in itemsListView.SelectedItems)
191            Content.Remove(((KeyValuePair<K, T>)item.Tag).Key);
192        }
193      }
194    }
195    protected virtual void itemsListView_DoubleClick(object sender, EventArgs e) {
196      if (itemsListView.SelectedItems.Count == 1) {
197        KeyValuePair<K, T> item = (KeyValuePair<K, T>)itemsListView.SelectedItems[0].Tag;
198        IContentView view = MainFormManager.MainForm.ShowContent(item.Value);
199        if (view != null) {
200          view.ReadOnly = ReadOnly;
201          view.Locked = Locked;
202        }
203      }
204    }
205    protected virtual void itemsListView_ItemDrag(object sender, ItemDragEventArgs e) {
206      if (!Locked) {
207        ListViewItem listViewItem = (ListViewItem)e.Item;
208        KeyValuePair<K, T> item = (KeyValuePair<K, T>)listViewItem.Tag;
209        DataObject data = new DataObject();
210        data.SetData("Type", item.GetType());
211        data.SetData("Value", item);
212        if (ReadOnly) {
213          DoDragDrop(data, DragDropEffects.Copy | DragDropEffects.Link);
214        } else {
215          DragDropEffects result = DoDragDrop(data, DragDropEffects.Copy | DragDropEffects.Link | DragDropEffects.Move);
216          if ((result & DragDropEffects.Move) == DragDropEffects.Move)
217            Content.Remove(item.Key);
218        }
219      }
220    }
221    protected virtual void itemsListView_DragEnterOver(object sender, DragEventArgs e) {
222      e.Effect = DragDropEffects.None;
223      Type type = e.Data.GetData("Type") as Type;
224      if (!ReadOnly && (type != null) && (typeof(T).IsAssignableFrom(type))) {
225        if ((e.KeyState & 32) == 32) e.Effect = DragDropEffects.Link;  // ALT key
226        else if ((e.KeyState & 4) == 4) e.Effect = DragDropEffects.Move;  // SHIFT key
227        else if ((e.AllowedEffect & DragDropEffects.Copy) == DragDropEffects.Copy) e.Effect = DragDropEffects.Copy;
228        else if ((e.AllowedEffect & DragDropEffects.Move) == DragDropEffects.Move) e.Effect = DragDropEffects.Move;
229        else if ((e.AllowedEffect & DragDropEffects.Link) == DragDropEffects.Link) e.Effect = DragDropEffects.Link;
230      }
231    }
232    protected virtual void itemsListView_DragDrop(object sender, DragEventArgs e) {
233      //if (e.Effect != DragDropEffects.None) {
234      //  K item = e.Data.GetData("Value") as K;
235      //  if ((e.Effect & DragDropEffects.Copy) == DragDropEffects.Copy) item = (T)item.Clone();
236      //  Content.Add(item);
237      //}
238      throw new NotImplementedException();
239    }
240    #endregion
241
242    #region Button Events
243    protected virtual void addButton_Click(object sender, EventArgs e) {
244      //T item = CreateItem();
245      //if (item != null)
246      //  Content.Add(item);
247      throw new NotImplementedException();
248    }
249    protected virtual void sortAscendingButton_Click(object sender, EventArgs e) {
250      SortItemsListView(SortOrder.Ascending);
251    }
252    protected virtual void sortDescendingButton_Click(object sender, EventArgs e) {
253      SortItemsListView(SortOrder.Descending);
254    }
255    protected virtual void removeButton_Click(object sender, EventArgs e) {
256      if (itemsListView.SelectedItems.Count > 0) {
257        foreach (ListViewItem item in itemsListView.SelectedItems)
258          Content.Remove(((KeyValuePair<K, T>)item.Tag).Key);
259        itemsListView.SelectedItems.Clear();
260      }
261    }
262    #endregion
263
264    #region CheckBox Events
265    protected virtual void showDetailsCheckBox_CheckedChanged(object sender, EventArgs e) {
266      if (showDetailsCheckBox.Checked) {
267        splitContainer.Panel2Collapsed = false;
268        detailsGroupBox.Enabled = itemsListView.SelectedItems.Count == 1;
269        viewHost.Content = itemsListView.SelectedItems.Count == 1 ? ((KeyValuePair<K, T>)itemsListView.SelectedItems[0].Tag).Value : null;
270      } else {
271        splitContainer.Panel2Collapsed = true;
272        viewHost.Content = null;
273      }
274    }
275    #endregion
276
277    #region Content Events
278    protected virtual void Content_ItemsAdded(object sender, CollectionItemsChangedEventArgs<KeyValuePair<K, T>> e) {
279      if (InvokeRequired)
280        Invoke(new CollectionItemsChangedEventHandler<KeyValuePair<K, T>>(Content_ItemsAdded), sender, e);
281      else {
282        foreach (KeyValuePair<K, T> item in e.Items)
283          AddListViewItem(CreateListViewItem(item));
284        AdjustListViewColumnSizes();
285      }
286
287    }
288    protected virtual void Content_ItemsRemoved(object sender, CollectionItemsChangedEventArgs<KeyValuePair<K, T>> e) {
289      if (InvokeRequired)
290        Invoke(new CollectionItemsChangedEventHandler<KeyValuePair<K, T>>(Content_ItemsRemoved), sender, e);
291      else {
292        foreach (KeyValuePair<K, T> item in e.Items) {
293          //remove only the first matching ListViewItem, because the IItem could be contained multiple times in the ItemCollection
294          ListViewItem listviewItem = GetListViewItemsForItem(item).FirstOrDefault();
295          if (listviewItem != null) RemoveListViewItem(listviewItem);
296        }
297        RebuildImageList();
298      }
299    }
300    protected virtual void Content_CollectionReset(object sender, CollectionItemsChangedEventArgs<KeyValuePair<K, T>> e) {
301      if (InvokeRequired)
302        Invoke(new CollectionItemsChangedEventHandler<KeyValuePair<K, T>>(Content_CollectionReset), sender, e);
303      else {
304        foreach (KeyValuePair<K, T> item in e.OldItems) {
305          //remove only the first matching ListViewItem, because the IItem could be contained multiple times in the ItemCollection
306          ListViewItem listviewItem = GetListViewItemsForItem(item).FirstOrDefault();
307          if (listviewItem != null) RemoveListViewItem(listviewItem);
308        }
309        RebuildImageList();
310        foreach (KeyValuePair<K, T> item in e.Items)
311          AddListViewItem(CreateListViewItem(item));
312      }
313    }
314    #endregion
315
316    #region Item Events
317    protected virtual void Item_ItemImageChanged(object sender, EventArgs e) {
318      if (InvokeRequired)
319        Invoke(new EventHandler(Item_ItemImageChanged), sender, e);
320      else {
321        KeyValuePair<K, T> item = (KeyValuePair<K, T>)sender;
322        foreach (ListViewItem listViewItem in GetListViewItemsForItem(item))
323          UpdateListViewItemImage(listViewItem);
324      }
325    }
326    protected virtual void Item_ToStringChanged(object sender, EventArgs e) {
327      if (InvokeRequired)
328        Invoke(new EventHandler(Item_ToStringChanged), sender, e);
329      else {
330        KeyValuePair<K, T> item = (KeyValuePair<K, T>)sender;
331        foreach (ListViewItem listViewItem in GetListViewItemsForItem(item))
332          UpdateListViewItemText(listViewItem);
333      }
334    }
335    #endregion
336
337    #region Helpers
338    protected virtual void SortItemsListView(SortOrder sortOrder) {
339      itemsListView.Sorting = SortOrder.None;
340      itemsListView.Sorting = sortOrder;
341      itemsListView.Sorting = SortOrder.None;
342    }
343    protected virtual void AdjustListViewColumnSizes() {
344      if (itemsListView.Items.Count > 0) {
345        for (int i = 0; i < itemsListView.Columns.Count; i++)
346          itemsListView.Columns[i].AutoResize(ColumnHeaderAutoResizeStyle.ColumnContent);
347      }
348    }
349    protected virtual void RebuildImageList() {
350      itemsListView.SmallImageList.Images.Clear();
351      foreach (ListViewItem listViewItem in itemsListView.Items) {
352        KeyValuePair<K, T> item = (KeyValuePair<K, T>)listViewItem.Tag;
353        itemsListView.SmallImageList.Images.Add(item.Value.ItemImage);
354        listViewItem.ImageIndex = itemsListView.SmallImageList.Images.Count - 1;
355      }
356    }
357    #endregion
358  }
359}
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