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source: branches/2901_StaticSelectionMethods/HeuristicLab.ExtLibs/HeuristicLab.Netron/3.0.2672.12446/HeuristicLab.Netron-3.0.2672.12446/ExpandableIconMaterial.cs @ 16724

Last change on this file since 16724 was 4068, checked in by swagner, 14 years ago

Sorted usings and removed unused usings in entire solution (#1094)

File size: 1.7 KB
Line 
1using System;
2using System.Drawing;
3using System.Windows.Forms;
4using Netron.Diagramming.Core;
5
6namespace HeuristicLab.Netron {
7  public class ExpandableIconMaterial : IconMaterial, IMouseListener {
8    private Bitmap collapsedBitmap;
9    private Bitmap expandedBitmap;
10
11    public ExpandableIconMaterial(Bitmap collapsedBitmap, Bitmap expandedBitmap)
12      : base() {
13      this.collapsedBitmap = collapsedBitmap;
14      this.expandedBitmap = expandedBitmap;
15
16      this.Gliding = false;
17      this.Collapsed = true;
18    }
19
20    public event EventHandler OnCollapse;
21    public event EventHandler OnExpand;
22
23    private bool collapsed;
24    public bool Collapsed {
25      get { return this.collapsed; }
26      set {
27        if (value != this.collapsed) {
28          if (value) {
29            this.Icon = this.collapsedBitmap;
30          } else
31            this.Icon = this.expandedBitmap;
32          collapsed = value;
33          RaiseOnExpand();
34        }
35      }
36    }
37
38    private void RaiseOnExpand() {
39      if (OnExpand != null)
40        OnExpand(this, EventArgs.Empty);
41    }
42    private void RaiseOnCollapse() {
43      if (OnCollapse != null)
44        OnCollapse(this, EventArgs.Empty);
45    }
46
47
48    #region IMouseListener Members
49    public override object GetService(Type serviceType) {
50      if (serviceType.Equals(typeof(IMouseListener)))
51        return this;
52      return null;
53    }
54
55    public bool MouseDown(MouseEventArgs e) {
56      if (e.Clicks == 1) {
57        Collapsed = !Collapsed;
58        return true;
59      }
60      return false;
61    }
62
63    public void MouseMove(System.Windows.Forms.MouseEventArgs e) {
64    }
65
66    public void MouseUp(System.Windows.Forms.MouseEventArgs e) {
67    }
68    #endregion
69  }
70}
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