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source: trunk/sources/HeuristicLab.Optimization.Views/3.3/RunCollectionView.cs @ 3566

Last change on this file since 3566 was 3566, checked in by mkommend, 14 years ago

removed ctors with contents in all views (ticket #972)
File size: 13.9 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 ListView ItemsListView {
45      get { return itemsListView; }
46    }
47
48    public RunCollectionView() {
49      InitializeComponent();
50      Caption = "Run Collection";
51      itemsGroupBox.Text = "Runs";
52    }
53
54    protected override void DeregisterContentEvents() {
55      Content.ItemsAdded -= new CollectionItemsChangedEventHandler<IRun>(Content_ItemsAdded);
56      Content.ItemsRemoved -= new CollectionItemsChangedEventHandler<IRun>(Content_ItemsRemoved);
57      Content.CollectionReset -= new CollectionItemsChangedEventHandler<IRun>(Content_CollectionReset);
58      DeregisterRunEvents(Content);
59      base.DeregisterContentEvents();
60    }
61    protected override void RegisterContentEvents() {
62      base.RegisterContentEvents();
63      Content.ItemsAdded += new CollectionItemsChangedEventHandler<IRun>(Content_ItemsAdded);
64      Content.ItemsRemoved += new CollectionItemsChangedEventHandler<IRun>(Content_ItemsRemoved);
65      Content.CollectionReset += new CollectionItemsChangedEventHandler<IRun>(Content_CollectionReset);
66      RegisterRunEvents(Content);
67    }
68    protected virtual void RegisterRunEvents(IEnumerable<IRun> runs) {
69      foreach (IRun run in runs)
70        run.Changed += new EventHandler(Run_Changed);
71    }
72    protected virtual void DeregisterRunEvents(IEnumerable<IRun> runs) {
73      foreach (IRun run in runs)
74        run.Changed -= new EventHandler(Run_Changed);
75    }
76
77    protected override void OnInitialized(EventArgs e) {
78      base.OnInitialized(e);
79      var viewTypes = MainFormManager.GetViewTypes(typeof(RunCollection), true);
80      foreach (Type viewType in viewTypes.OrderBy(x => ViewAttribute.GetViewName(x))) {
81        if ((viewType != typeof(ItemCollectionView<IRun>)) && (viewType != typeof(ViewHost))) {
82          ToolStripMenuItem menuItem = new ToolStripMenuItem();
83          menuItem.Text = ViewAttribute.GetViewName(viewType);
84          menuItem.Tag = viewType;
85          menuItem.Click += new EventHandler(menuItem_Click);
86          analyzeRunsToolStripDropDownButton.DropDownItems.Add(menuItem);
87        }
88      }
89    }
90
91    protected override void OnContentChanged() {
92      base.OnContentChanged();
93      Caption = "Run Collection";
94      while (itemsListView.Items.Count > 0) RemoveListViewItem(itemsListView.Items[0]);
95      viewHost.Content = null;
96
97      if (Content != null) {
98        Caption += " (" + Content.GetType().Name + ")";
99        foreach (IRun item in Content)
100          AddListViewItem(CreateListViewItem(item));
101      }
102      SetEnabledStateOfControls();
103    }
104
105    protected override void OnReadOnlyChanged() {
106      base.OnReadOnlyChanged();
107      SetEnabledStateOfControls();
108    }
109    private void SetEnabledStateOfControls() {
110      if (Content == null) {
111        analyzeRunsToolStripDropDownButton.Enabled = false;
112        itemsListView.Enabled = false;
113        detailsGroupBox.Enabled = false;
114        viewHost.Enabled = false;
115        removeButton.Enabled = false;
116      } else {
117        analyzeRunsToolStripDropDownButton.Enabled = itemsListView.Items.Count > 0;
118        itemsListView.Enabled = true;
119        detailsGroupBox.Enabled = true;
120        removeButton.Enabled = itemsListView.SelectedItems.Count > 0 && !Content.IsReadOnly && !ReadOnly;
121        viewHost.Enabled = true;
122      }
123    }
124
125    protected virtual ListViewItem CreateListViewItem(IRun item) {
126      ListViewItem listViewItem = new ListViewItem();
127      listViewItem.Text = item.ToString();
128      listViewItem.ToolTipText = item.ItemName + ": " + item.ItemDescription;
129      itemsListView.SmallImageList.Images.Add(item.ItemImage);
130      listViewItem.ImageIndex = itemsListView.SmallImageList.Images.Count - 1;
131      listViewItem.Tag = item;
132      return listViewItem;
133    }
134    protected virtual void AddListViewItem(ListViewItem listViewItem) {
135      itemsListView.Items.Add(listViewItem);
136      ((IRun)listViewItem.Tag).ItemImageChanged += new EventHandler(Item_ItemImageChanged);
137      ((IRun)listViewItem.Tag).ToStringChanged += new EventHandler(Item_ToStringChanged);
138    }
139    protected virtual void RemoveListViewItem(ListViewItem listViewItem) {
140      ((IRun)listViewItem.Tag).ItemImageChanged -= new EventHandler(Item_ItemImageChanged);
141      ((IRun)listViewItem.Tag).ToStringChanged -= new EventHandler(Item_ToStringChanged);
142      listViewItem.Remove();
143      foreach (ListViewItem other in itemsListView.Items)
144        if (other.ImageIndex > listViewItem.ImageIndex) other.ImageIndex--;
145      itemsListView.SmallImageList.Images.RemoveAt(listViewItem.ImageIndex);
146    }
147    protected virtual void UpdateListViewItemImage(ListViewItem listViewItem) {
148      int i = listViewItem.ImageIndex;
149      listViewItem.ImageList.Images[i] = ((IRun)listViewItem.Tag).ItemImage;
150      listViewItem.ImageIndex = -1;
151      listViewItem.ImageIndex = i;
152    }
153    protected virtual void UpdateListViewItemText(ListViewItem listViewItem) {
154      if (!listViewItem.Text.Equals(listViewItem.Tag.ToString()))
155        listViewItem.Text = listViewItem.Tag.ToString();
156    }
157    protected virtual IEnumerable<ListViewItem> GetListViewItemsForItem(IRun item) {
158      foreach (ListViewItem listViewItem in itemsListView.Items) {
159        if (((IRun)listViewItem.Tag) == item)
160          yield return listViewItem;
161      }
162    }
163
164    #region ListView Events
165    protected virtual void itemsListView_SelectedIndexChanged(object sender, EventArgs e) {
166      removeButton.Enabled = itemsListView.SelectedItems.Count > 0 && (Content != null) && !Content.IsReadOnly && !ReadOnly;
167      if (itemsListView.SelectedItems.Count == 1) {
168        IRun item = (IRun)itemsListView.SelectedItems[0].Tag;
169        detailsGroupBox.Enabled = true;
170        viewHost.ViewType = null;
171        viewHost.Content = item;
172      } else {
173        viewHost.Content = null;
174        detailsGroupBox.Enabled = false;
175      }
176    }
177    protected virtual void itemsListView_SizeChanged(object sender, EventArgs e) {
178      if (itemsListView.Columns.Count > 0)
179        itemsListView.Columns[0].Width = Math.Max(0, itemsListView.Width - 25);
180    }
181    protected virtual void itemsListView_KeyDown(object sender, KeyEventArgs e) {
182      if (e.KeyCode == Keys.Delete) {
183        if ((itemsListView.SelectedItems.Count > 0) && !Content.IsReadOnly && !ReadOnly) {
184          foreach (ListViewItem item in itemsListView.SelectedItems)
185            Content.Remove((IRun)item.Tag);
186        }
187      }
188    }
189    protected virtual void itemsListView_DoubleClick(object sender, EventArgs e) {
190      if (itemsListView.SelectedItems.Count == 1) {
191        IRun item = (IRun)itemsListView.SelectedItems[0].Tag;
192        IContentView view = MainFormManager.MainForm.ShowContent(item);
193        if (view != null) {
194          view.ReadOnly = ReadOnly;
195          view.Locked = Locked;
196        }
197      }
198    }
199    protected virtual void itemsListView_ItemDrag(object sender, ItemDragEventArgs e) {
200      if (!Locked) {
201        ListViewItem listViewItem = (ListViewItem)e.Item;
202        IRun item = (IRun)listViewItem.Tag;
203        DataObject data = new DataObject();
204        data.SetData("Type", item.GetType());
205        data.SetData("Value", item);
206        if (Content.IsReadOnly || ReadOnly) {
207          DoDragDrop(data, DragDropEffects.Copy | DragDropEffects.Link);
208        } else {
209          DragDropEffects result = DoDragDrop(data, DragDropEffects.Copy | DragDropEffects.Link | DragDropEffects.Move);
210          if ((result & DragDropEffects.Move) == DragDropEffects.Move)
211            Content.Remove(item);
212        }
213      }
214    }
215    protected virtual void itemsListView_DragEnterOver(object sender, DragEventArgs e) {
216      e.Effect = DragDropEffects.None;
217      Type type = e.Data.GetData("Type") as Type;
218      if (!Content.IsReadOnly && !ReadOnly && (type != null) && (typeof(IRun).IsAssignableFrom(type))) {
219        if ((e.KeyState & 8) == 8) e.Effect = DragDropEffects.Link;  // CTRL key
220        else if ((e.KeyState & 4) == 4) e.Effect = DragDropEffects.Move;  // SHIFT key
221        else if ((e.AllowedEffect & DragDropEffects.Copy) == DragDropEffects.Copy) e.Effect = DragDropEffects.Copy;
222        else if ((e.AllowedEffect & DragDropEffects.Move) == DragDropEffects.Move) e.Effect = DragDropEffects.Move;
223        else if ((e.AllowedEffect & DragDropEffects.Link) == DragDropEffects.Link) e.Effect = DragDropEffects.Link;
224      }
225    }
226    protected virtual void itemsListView_DragDrop(object sender, DragEventArgs e) {
227      if (e.Effect != DragDropEffects.None) {
228        IRun item = e.Data.GetData("Value") as IRun;
229        if ((e.Effect & DragDropEffects.Copy) == DragDropEffects.Copy) item = (IRun)item.Clone();
230        Content.Add(item);
231      }
232    }
233    #endregion
234
235    #region Button Events
236    protected virtual void menuItem_Click(object sender, EventArgs e) {
237      ToolStripMenuItem menuItem = (ToolStripMenuItem)sender;
238      IContentView view = MainFormManager.CreateView((Type)menuItem.Tag);
239      if (view != null) {
240        view.Locked = Locked;
241        view.ReadOnly = ReadOnly;
242        view.Show();
243        view.Content = Content;
244      }
245    }
246    protected virtual void removeButton_Click(object sender, EventArgs e) {
247      if (itemsListView.SelectedItems.Count > 0) {
248        foreach (ListViewItem item in itemsListView.SelectedItems)
249          Content.Remove((IRun)item.Tag);
250        itemsListView.SelectedItems.Clear();
251      }
252    }
253    #endregion
254
255    #region Content Events
256    protected virtual void Content_ItemsAdded(object sender, CollectionItemsChangedEventArgs<IRun> e) {
257      if (InvokeRequired)
258        Invoke(new CollectionItemsChangedEventHandler<IRun>(Content_ItemsAdded), sender, e);
259      else {
260        RegisterRunEvents(e.Items);
261        foreach (IRun item in e.Items)
262          AddListViewItem(CreateListViewItem(item));
263        analyzeRunsToolStripDropDownButton.Enabled = itemsListView.Items.Count > 0;
264      }
265    }
266    protected virtual void Content_ItemsRemoved(object sender, CollectionItemsChangedEventArgs<IRun> e) {
267      if (InvokeRequired)
268        Invoke(new CollectionItemsChangedEventHandler<IRun>(Content_ItemsRemoved), sender, e);
269      else {
270        DeregisterRunEvents(e.Items);
271        foreach (IRun item in e.Items) {
272          foreach (ListViewItem listViewItem in GetListViewItemsForItem(item)) {
273            RemoveListViewItem(listViewItem);
274            break;
275          }
276        }
277        analyzeRunsToolStripDropDownButton.Enabled = itemsListView.Items.Count > 0;
278      }
279    }
280    protected virtual void Content_CollectionReset(object sender, CollectionItemsChangedEventArgs<IRun> e) {
281      if (InvokeRequired)
282        Invoke(new CollectionItemsChangedEventHandler<IRun>(Content_CollectionReset), sender, e);
283      else {
284        DeregisterRunEvents(e.OldItems);
285        foreach (IRun item in e.OldItems) {
286          foreach (ListViewItem listViewItem in GetListViewItemsForItem(item)) {
287            RemoveListViewItem(listViewItem);
288            break;
289          }
290        }
291        RegisterRunEvents(e.Items);
292        foreach (IRun item in e.Items)
293          AddListViewItem(CreateListViewItem(item));
294        analyzeRunsToolStripDropDownButton.Enabled = itemsListView.Items.Count > 0;
295      }
296    }
297    #endregion
298
299    #region Item Events
300    protected virtual void Item_ItemImageChanged(object sender, EventArgs e) {
301      if (InvokeRequired)
302        Invoke(new EventHandler(Item_ItemImageChanged), sender, e);
303      else {
304        IRun item = (IRun)sender;
305        foreach (ListViewItem listViewItem in GetListViewItemsForItem(item))
306          UpdateListViewItemImage(listViewItem);
307      }
308    }
309    protected virtual void Item_ToStringChanged(object sender, EventArgs e) {
310      if (InvokeRequired)
311        Invoke(new EventHandler(Item_ToStringChanged), sender, e);
312      else {
313        IRun item = (IRun)sender;
314        foreach (ListViewItem listViewItem in GetListViewItemsForItem(item))
315          UpdateListViewItemText(listViewItem);
316      }
317    }
318    protected virtual void Run_Changed(object sender, EventArgs e) {
319      IRun run = (IRun)sender;
320      foreach (ListViewItem listViewItem in GetListViewItemsForItem(run)) {
321        if (run.Visible) {
322          listViewItem.Font = new Font(listViewItem.Font, FontStyle.Regular);
323          listViewItem.ForeColor = run.Color;
324        } else {
325          listViewItem.Font = new Font(listViewItem.Font, FontStyle.Italic);
326          listViewItem.ForeColor = Color.LightGray;
327        }
328      }
329    }
330    #endregion
331  }
332}
333
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