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source: branches/Mainform refactoring/HeuristicLab.MainForm.WindowsForms/3.2/SingleDocumentMainForm.cs @ 2434

Last change on this file since 2434 was 2434, checked in by mkommend, 14 years ago

registered GotFocus event on forms to activate corresponding views (ticket #771)

File size: 3.7 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2008 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.ComponentModel;
25using System.Data;
26using System.Drawing;
27using System.Linq;
28using System.Text;
29using System.Windows.Forms;
30using WeifenLuo.WinFormsUI.Docking;
31
32namespace HeuristicLab.MainForm.WindowsForms {
33  public partial class SingleDocumentMainForm : MainFormBase {
34    public SingleDocumentMainForm()
35      : base() {
36      InitializeComponent();
37    }
38
39    public SingleDocumentMainForm(Type userInterfaceItemType)
40      : base(userInterfaceItemType) {
41      InitializeComponent();
42    }
43
44    public override void ShowView(IView view) {
45      if (InvokeRequired) Invoke((Action<IView>)ShowView, view);
46      else {
47        if (views.Contains(view)) {
48          DocumentForm documentForm = FindForm(view);
49          if (documentForm != null)
50            documentForm.Focus();
51        } else {
52          base.ShowView(view);
53          DocumentForm form = new DocumentForm(view);
54          form.ShowInTaskbar = true;
55          form.Activated += new EventHandler(DocumentFormActivated);
56          form.GotFocus += new EventHandler(DocumentFormActivated);
57          form.FormClosing += new FormClosingEventHandler(view.OnClosing);
58          form.FormClosed += new FormClosedEventHandler(view.OnClosed);
59          form.FormClosed += new FormClosedEventHandler(DocumentFormClosed);
60          foreach (IUserInterfaceItem item in UserInterfaceItems)
61            view.Changed += new EventHandler(item.ViewChanged);
62          form.Show(this);
63        }
64      }
65    }
66
67    public override void CloseView(IView view) {
68      if (InvokeRequired) Invoke((Action<IView>)CloseView, view);
69      else {
70        DocumentForm documentForm = FindForm(view);
71        if (documentForm != null)
72          documentForm.Close();
73      }
74    }
75
76    private void DocumentFormClosed(object sender, FormClosedEventArgs e) {
77      DocumentForm form = (DocumentForm)sender;
78      ViewClosed(form.View);
79      form.Activated -= new EventHandler(DocumentFormActivated);
80      form.GotFocus -= new EventHandler(DocumentFormActivated);
81      form.FormClosing -= new FormClosingEventHandler(form.View.OnClosing);
82      form.FormClosed -= new FormClosedEventHandler(form.View.OnClosed);
83      form.FormClosed -= new FormClosedEventHandler(DocumentFormClosed);
84      foreach (IUserInterfaceItem item in UserInterfaceItems)
85        form.View.Changed -= new EventHandler(item.ViewChanged);
86    }
87
88    private void DocumentFormActivated(object sender, EventArgs e) {
89      base.ActiveView = ((DocumentForm)sender).View;
90    }
91
92    protected DocumentForm FindForm(IView view) {
93      IEnumerable<DocumentForm> forms =
94        from df in OwnedForms
95        where ((DocumentForm)df).View == view
96        select (DocumentForm)df;
97      if (forms.Count() == 1)
98        return forms.Single();
99      return null;
100    }
101  }
102}
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