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source: trunk/sources/HeuristicLab.Optimization.Views/3.3/RunCollectionView.cs @ 3796

Last change on this file since 3796 was 3796, checked in by mkommend, 14 years ago

corrected opening of views from the RunCollectionView (ticket #893)
File size: 16.0 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2010 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 HeuristicLab.Collections;
23using HeuristicLab.Common;
24using HeuristicLab.Core;
25using HeuristicLab.Core.Views;
26using HeuristicLab.MainForm;
27using HeuristicLab.MainForm.WindowsForms;
28using System.Windows.Forms;
29using System;
30using System.Drawing;
31using System.Collections.Generic;
32using System.Linq;
33
34namespace HeuristicLab.Optimization.Views {
35  [View("RunCollection View")]
36  [Content(typeof(RunCollection), true)]
37  [Content(typeof(IItemCollection<IRun>), false)]
38  public partial class RunCollectionView : ItemView {
39    public new IItemCollection<IRun> Content {
40      get { return (IItemCollection<IRun>)base.Content; }
41      set { base.Content = value; }
42    }
43
44    public RunCollection RunCollection {
45      get { return Content as RunCollection; }
46    }
47
48    public ListView ItemsListView {
49      get { return itemsListView; }
50    }
51
52    public RunCollectionView() {
53      InitializeComponent();
54      itemsGroupBox.Text = "Runs";
55    }
56
57    protected override void DeregisterContentEvents() {
58      Content.ItemsAdded -= new CollectionItemsChangedEventHandler<IRun>(Content_ItemsAdded);
59      Content.ItemsRemoved -= new CollectionItemsChangedEventHandler<IRun>(Content_ItemsRemoved);
60      Content.CollectionReset -= new CollectionItemsChangedEventHandler<IRun>(Content_CollectionReset);
61      DeregisterRunEvents(Content);
62      base.DeregisterContentEvents();
63    }
64    protected override void RegisterContentEvents() {
65      base.RegisterContentEvents();
66      Content.ItemsAdded += new CollectionItemsChangedEventHandler<IRun>(Content_ItemsAdded);
67      Content.ItemsRemoved += new CollectionItemsChangedEventHandler<IRun>(Content_ItemsRemoved);
68      Content.CollectionReset += new CollectionItemsChangedEventHandler<IRun>(Content_CollectionReset);
69      RegisterRunEvents(Content);
70    }
71    protected virtual void RegisterRunEvents(IEnumerable<IRun> runs) {
72      foreach (IRun run in runs)
73        run.Changed += new EventHandler(Run_Changed);
74    }
75    protected virtual void DeregisterRunEvents(IEnumerable<IRun> runs) {
76      foreach (IRun run in runs)
77        run.Changed -= new EventHandler(Run_Changed);
78    }
79
80    protected override void OnInitialized(EventArgs e) {
81      base.OnInitialized(e);
82      var viewTypes = MainFormManager.GetViewTypes(typeof(RunCollection), true);
83      foreach (Type viewType in viewTypes.OrderBy(x => ViewAttribute.GetViewName(x))) {
84        if ((viewType != typeof(ItemCollectionView<IRun>)) && (viewType != typeof(ViewHost))) {
85          ToolStripMenuItem menuItem = new ToolStripMenuItem();
86          menuItem.Text = ViewAttribute.GetViewName(viewType);
87          menuItem.Tag = viewType;
88          menuItem.Click += new EventHandler(menuItem_Click);
89          analyzeRunsToolStripDropDownButton.DropDownItems.Add(menuItem);
90        }
91      }
92    }
93
94    protected override void OnContentChanged() {
95      base.OnContentChanged();
96
97      string selectedName = null;
98      if ((itemsListView.SelectedItems.Count == 1) && (itemsListView.SelectedItems[0].Tag != null))
99        selectedName = ((IRun)itemsListView.SelectedItems[0].Tag).Name;
100
101      while (itemsListView.Items.Count > 0) RemoveListViewItem(itemsListView.Items[0]);
102      viewHost.Content = null;
103
104      if (Content != null) {
105        if (RunCollection != null) {
106          if (!tabControl.TabPages.Contains(constraintPage))
107            tabControl.TabPages.Add(constraintPage);
108          runCollectionConstraintCollectionView.Content = RunCollection.Constraints;
109          runCollectionConstraintCollectionView.ReadOnly = itemsListView.Items.Count == 0;
110        }
111        foreach (IRun item in Content) {
112          ListViewItem listViewItem = CreateListViewItem(item);
113          AddListViewItem(listViewItem);
114          UpdateRun(item);
115          if ((selectedName != null) && item.Name.Equals(selectedName))
116            listViewItem.Selected = true;
117        }
118      } else {
119        runCollectionConstraintCollectionView.Content = null;
120        if (tabControl.TabPages.Contains(constraintPage))
121          tabControl.TabPages.Remove(constraintPage);
122      }
123      SetEnabledStateOfControls();
124    }
125
126    protected override void OnReadOnlyChanged() {
127      base.OnReadOnlyChanged();
128      SetEnabledStateOfControls();
129    }
130    private void SetEnabledStateOfControls() {
131      if (Content == null) {
132        analyzeRunsToolStripDropDownButton.Enabled = false;
133        runCollectionConstraintCollectionView.ReadOnly = true;
134        itemsListView.Enabled = false;
135        detailsGroupBox.Enabled = false;
136        viewHost.Enabled = false;
137        removeButton.Enabled = false;
138        clearButton.Enabled = false;
139      } else {
140        analyzeRunsToolStripDropDownButton.Enabled = itemsListView.Items.Count > 0;
141        runCollectionConstraintCollectionView.ReadOnly = itemsListView.Items.Count == 0;
142        itemsListView.Enabled = true;
143        detailsGroupBox.Enabled = true;
144        removeButton.Enabled = itemsListView.SelectedItems.Count > 0 && !Content.IsReadOnly && !ReadOnly;
145        clearButton.Enabled = itemsListView.Items.Count > 0 && !Content.IsReadOnly && !ReadOnly;
146        viewHost.Enabled = true;
147      }
148    }
149
150    protected virtual ListViewItem CreateListViewItem(IRun item) {
151      ListViewItem listViewItem = new ListViewItem();
152      listViewItem.Text = item.ToString();
153      listViewItem.ToolTipText = item.ItemName + ": " + item.ItemDescription;
154      itemsListView.SmallImageList.Images.Add(item.ItemImage);
155      listViewItem.ImageIndex = itemsListView.SmallImageList.Images.Count - 1;
156      listViewItem.Tag = item;
157      return listViewItem;
158    }
159    protected virtual void AddListViewItem(ListViewItem listViewItem) {
160      itemsListView.Items.Add(listViewItem);
161      ((IRun)listViewItem.Tag).ItemImageChanged += new EventHandler(Item_ItemImageChanged);
162      ((IRun)listViewItem.Tag).ToStringChanged += new EventHandler(Item_ToStringChanged);
163    }
164    protected virtual void RemoveListViewItem(ListViewItem listViewItem) {
165      ((IRun)listViewItem.Tag).ItemImageChanged -= new EventHandler(Item_ItemImageChanged);
166      ((IRun)listViewItem.Tag).ToStringChanged -= new EventHandler(Item_ToStringChanged);
167      listViewItem.Remove();
168      foreach (ListViewItem other in itemsListView.Items)
169        if (other.ImageIndex > listViewItem.ImageIndex) other.ImageIndex--;
170      itemsListView.SmallImageList.Images.RemoveAt(listViewItem.ImageIndex);
171    }
172    protected virtual void UpdateListViewItemImage(ListViewItem listViewItem) {
173      int i = listViewItem.ImageIndex;
174      listViewItem.ImageList.Images[i] = ((IRun)listViewItem.Tag).ItemImage;
175      listViewItem.ImageIndex = -1;
176      listViewItem.ImageIndex = i;
177    }
178    protected virtual void UpdateListViewItemText(ListViewItem listViewItem) {
179      if (!listViewItem.Text.Equals(listViewItem.Tag.ToString()))
180        listViewItem.Text = listViewItem.Tag.ToString();
181    }
182    protected virtual IEnumerable<ListViewItem> GetListViewItemsForItem(IRun item) {
183      foreach (ListViewItem listViewItem in itemsListView.Items) {
184        if (((IRun)listViewItem.Tag) == item)
185          yield return listViewItem;
186      }
187    }
188
189    #region ListView Events
190    protected virtual void itemsListView_SelectedIndexChanged(object sender, EventArgs e) {
191      removeButton.Enabled = itemsListView.SelectedItems.Count > 0 && (Content != null) && !Content.IsReadOnly && !ReadOnly;
192      if (itemsListView.SelectedItems.Count == 1) {
193        IRun item = (IRun)itemsListView.SelectedItems[0].Tag;
194        detailsGroupBox.Enabled = true;
195        viewHost.Content = item;
196      } else {
197        viewHost.Content = null;
198        detailsGroupBox.Enabled = false;
199      }
200    }
201    protected virtual void itemsListView_SizeChanged(object sender, EventArgs e) {
202      if (itemsListView.Columns.Count > 0)
203        itemsListView.Columns[0].Width = Math.Max(0, itemsListView.Width - 25);
204    }
205    protected virtual void itemsListView_KeyDown(object sender, KeyEventArgs e) {
206      if (e.KeyCode == Keys.Delete) {
207        if ((itemsListView.SelectedItems.Count > 0) && !Content.IsReadOnly && !ReadOnly) {
208          foreach (ListViewItem item in itemsListView.SelectedItems)
209            Content.Remove((IRun)item.Tag);
210        }
211      }
212    }
213    protected virtual void itemsListView_DoubleClick(object sender, EventArgs e) {
214      if (itemsListView.SelectedItems.Count == 1) {
215        IRun item = (IRun)itemsListView.SelectedItems[0].Tag;
216        IContentView view = MainFormManager.MainForm.ShowContent(item);
217        if (view != null) {
218          view.ReadOnly = ReadOnly;
219          view.Locked = Locked;
220        }
221      }
222    }
223    protected virtual void itemsListView_ItemDrag(object sender, ItemDragEventArgs e) {
224      if (!Locked) {
225        ListViewItem listViewItem = (ListViewItem)e.Item;
226        IRun item = (IRun)listViewItem.Tag;
227        DataObject data = new DataObject();
228        data.SetData("Type", item.GetType());
229        data.SetData("Value", item);
230        if (Content.IsReadOnly || ReadOnly) {
231          DoDragDrop(data, DragDropEffects.Copy | DragDropEffects.Link);
232        } else {
233          DragDropEffects result = DoDragDrop(data, DragDropEffects.Copy | DragDropEffects.Link | DragDropEffects.Move);
234          if ((result & DragDropEffects.Move) == DragDropEffects.Move)
235            Content.Remove(item);
236        }
237      }
238    }
239    protected virtual void itemsListView_DragEnterOver(object sender, DragEventArgs e) {
240      e.Effect = DragDropEffects.None;
241      Type type = e.Data.GetData("Type") as Type;
242      if (!Content.IsReadOnly && !ReadOnly && (type != null) && (typeof(IRun).IsAssignableFrom(type))) {
243        if ((e.KeyState & 32) == 32) e.Effect = DragDropEffects.Link;  // ALT key
244        else if ((e.KeyState & 4) == 4) e.Effect = DragDropEffects.Move;  // SHIFT key
245        else if ((e.AllowedEffect & DragDropEffects.Copy) == DragDropEffects.Copy) e.Effect = DragDropEffects.Copy;
246        else if ((e.AllowedEffect & DragDropEffects.Move) == DragDropEffects.Move) e.Effect = DragDropEffects.Move;
247        else if ((e.AllowedEffect & DragDropEffects.Link) == DragDropEffects.Link) e.Effect = DragDropEffects.Link;
248      }
249    }
250    protected virtual void itemsListView_DragDrop(object sender, DragEventArgs e) {
251      if (e.Effect != DragDropEffects.None) {
252        IRun item = e.Data.GetData("Value") as IRun;
253        if ((e.Effect & DragDropEffects.Copy) == DragDropEffects.Copy) item = (IRun)item.Clone();
254        Content.Add(item);
255      }
256    }
257    #endregion
258
259    #region Button Events
260    protected virtual void menuItem_Click(object sender, EventArgs e) {
261      ToolStripMenuItem menuItem = (ToolStripMenuItem)sender;
262      Type viewType = (Type)menuItem.Tag;
263      IContentView view = MainFormManager.MainForm.ShowContent(Content, viewType);
264      if (view != null) {
265        view.Locked = Locked;
266        view.ReadOnly = ReadOnly;
267      }
268    }
269    protected virtual void removeButton_Click(object sender, EventArgs e) {
270      if (itemsListView.SelectedItems.Count > 0) {
271        foreach (ListViewItem item in itemsListView.SelectedItems)
272          Content.Remove((IRun)item.Tag);
273        itemsListView.SelectedItems.Clear();
274      }
275    }
276    protected virtual void clearButton_Click(object sender, EventArgs e) {
277      Content.Clear();
278    }
279    #endregion
280
281    #region Content Events
282    protected virtual void Content_ItemsAdded(object sender, CollectionItemsChangedEventArgs<IRun> e) {
283      if (InvokeRequired)
284        Invoke(new CollectionItemsChangedEventHandler<IRun>(Content_ItemsAdded), sender, e);
285      else {
286        RegisterRunEvents(e.Items);
287        foreach (IRun item in e.Items)
288          AddListViewItem(CreateListViewItem(item));
289        analyzeRunsToolStripDropDownButton.Enabled = itemsListView.Items.Count > 0;
290        clearButton.Enabled = itemsListView.Items.Count > 0 && !Content.IsReadOnly && !ReadOnly;
291        runCollectionConstraintCollectionView.ReadOnly = itemsListView.Items.Count == 0;
292      }
293    }
294    protected virtual void Content_ItemsRemoved(object sender, CollectionItemsChangedEventArgs<IRun> e) {
295      if (InvokeRequired)
296        Invoke(new CollectionItemsChangedEventHandler<IRun>(Content_ItemsRemoved), sender, e);
297      else {
298        DeregisterRunEvents(e.Items);
299        foreach (IRun item in e.Items) {
300          foreach (ListViewItem listViewItem in GetListViewItemsForItem(item)) {
301            RemoveListViewItem(listViewItem);
302            break;
303          }
304        }
305        analyzeRunsToolStripDropDownButton.Enabled = itemsListView.Items.Count > 0;
306        clearButton.Enabled = itemsListView.Items.Count > 0 && !Content.IsReadOnly && !ReadOnly;
307        runCollectionConstraintCollectionView.ReadOnly = itemsListView.Items.Count == 0;
308      }
309    }
310    protected virtual void Content_CollectionReset(object sender, CollectionItemsChangedEventArgs<IRun> e) {
311      if (InvokeRequired)
312        Invoke(new CollectionItemsChangedEventHandler<IRun>(Content_CollectionReset), sender, e);
313      else {
314        DeregisterRunEvents(e.OldItems);
315        foreach (IRun item in e.OldItems) {
316          foreach (ListViewItem listViewItem in GetListViewItemsForItem(item)) {
317            RemoveListViewItem(listViewItem);
318            break;
319          }
320        }
321        RegisterRunEvents(e.Items);
322        foreach (IRun item in e.Items)
323          AddListViewItem(CreateListViewItem(item));
324        analyzeRunsToolStripDropDownButton.Enabled = itemsListView.Items.Count > 0;
325        clearButton.Enabled = itemsListView.Items.Count > 0 && !Content.IsReadOnly && !ReadOnly;
326        runCollectionConstraintCollectionView.ReadOnly = itemsListView.Items.Count == 0;
327      }
328    }
329    #endregion
330
331    #region Item Events
332    protected virtual void Item_ItemImageChanged(object sender, EventArgs e) {
333      if (InvokeRequired)
334        Invoke(new EventHandler(Item_ItemImageChanged), sender, e);
335      else {
336        IRun item = (IRun)sender;
337        foreach (ListViewItem listViewItem in GetListViewItemsForItem(item))
338          UpdateListViewItemImage(listViewItem);
339      }
340    }
341    protected virtual void Item_ToStringChanged(object sender, EventArgs e) {
342      if (InvokeRequired)
343        Invoke(new EventHandler(Item_ToStringChanged), sender, e);
344      else {
345        IRun item = (IRun)sender;
346        foreach (ListViewItem listViewItem in GetListViewItemsForItem(item))
347          UpdateListViewItemText(listViewItem);
348      }
349    }
350    protected virtual void Run_Changed(object sender, EventArgs e) {
351      if (InvokeRequired)
352        this.Invoke(new EventHandler(Run_Changed), sender, e);
353      else {
354        IRun run = (IRun)sender;
355        UpdateRun(run);
356      }
357    }
358
359    protected virtual void UpdateRun(IRun run) {
360      foreach (ListViewItem listViewItem in GetListViewItemsForItem(run)) {
361        if (run.Visible) {
362          listViewItem.Font = new Font(listViewItem.Font, FontStyle.Regular);
363          listViewItem.ForeColor = run.Color;
364        } else {
365          listViewItem.Font = new Font(listViewItem.Font, FontStyle.Italic);
366          listViewItem.ForeColor = Color.LightGray;
367        }
368      }
369    }
370    #endregion
371
372  }
373}
374
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