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

Last change on this file since 2434 was 2434, checked in by mkommend, 13 years ago

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

File size: 3.9 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;
30
31namespace HeuristicLab.MainForm.WindowsForms {
32  public partial class MultipleDocumentMainForm : MainFormBase {
33    public MultipleDocumentMainForm()
34      : base() {
35      InitializeComponent();
36    }
37
38    public MultipleDocumentMainForm(Type userInterfaceType)
39      : base(userInterfaceType) {
40      InitializeComponent();
41    }
42
43    protected override void CreateGUI() {
44      base.CreateGUI();
45      ToolStripMenuItem window = new ToolStripMenuItem("Windows");
46      base.menuStrip.MdiWindowListItem = window;
47      base.menuStrip.Items.Add(window);
48    }
49
50    public override void ShowView(IView view) {
51      if (InvokeRequired) Invoke((Action<IView>)ShowView, view);
52      else {
53        if (views.Contains(view)) {
54          DocumentForm documentForm = FindForm(view);
55          if (documentForm != null)
56            documentForm.Focus();
57        } else {
58          base.ShowView(view);
59          DocumentForm form = new DocumentForm(view);
60          form.Activated += new EventHandler(MultipleDocumentFormActivated);
61          form.GotFocus += new EventHandler(MultipleDocumentFormActivated);
62          form.FormClosing += new FormClosingEventHandler(view.OnClosing);
63          form.FormClosed += new FormClosedEventHandler(view.OnClosed);
64          form.FormClosed += new FormClosedEventHandler(MultipleDocumentFormClosed);
65          form.MdiParent = this;
66          foreach (IUserInterfaceItem item in UserInterfaceItems)
67            view.Changed += new EventHandler(item.ViewChanged);
68          form.Show();
69        }
70      }
71    }
72
73    public override void CloseView(IView view) {
74      if (InvokeRequired) Invoke((Action<IView>)CloseView, view);
75      else {
76        DocumentForm documentForm = FindForm(view);
77        if (documentForm != null)
78          documentForm.Close();
79      }
80    }
81
82    private void MultipleDocumentFormActivated(object sender, EventArgs e) {
83      base.ActiveView = ((DocumentForm)sender).View;
84    }
85
86    private void MultipleDocumentFormClosed(object sender, FormClosedEventArgs e) {
87      DocumentForm form = (DocumentForm)sender;
88      ViewClosed(form.View);
89      form.Activated -= new EventHandler(MultipleDocumentFormActivated);
90      form.GotFocus -= new EventHandler(MultipleDocumentFormActivated);
91      form.FormClosing -= new FormClosingEventHandler(form.View.OnClosing);
92      form.FormClosed -= new FormClosedEventHandler(form.View.OnClosed);
93      form.FormClosed -= new FormClosedEventHandler(MultipleDocumentFormClosed);
94      foreach (IUserInterfaceItem item in UserInterfaceItems)
95        form.View.Changed -= new EventHandler(item.ViewChanged);
96    }
97
98    protected DocumentForm FindForm(IView view) {
99      IEnumerable<DocumentForm> forms =
100        from df in MdiChildren
101        where ((DocumentForm)df).View == view
102        select (DocumentForm)df;
103      if (forms.Count() == 1)
104        return forms.Single();
105      return null;
106    }
107  }
108}
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