2 // System.ComponentModel.Design.DesignerEventService
5 // Ivan N. Zlatev (contact i-nZ.net)
7 // (C) 2006-2007 Ivan N. Zlatev
10 // Permission is hereby granted, free of charge, to any person obtaining
11 // a copy of this software and associated documentation files (the
12 // "Software"), to deal in the Software without restriction, including
13 // without limitation the rights to use, copy, modify, merge, publish,
14 // distribute, sublicense, and/or sell copies of the Software, and to
15 // permit persons to whom the Software is furnished to do so, subject to
16 // the following conditions:
18 // The above copyright notice and this permission notice shall be
19 // included in all copies or substantial portions of the Software.
21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
33 using System.ComponentModel;
34 using System.Collections;
36 namespace System.ComponentModel.Design
38 // IDesignerEventService provides a global eventing mechanism for designer events. With this mechanism,
39 // an application is informed when a designer becomes active. The service provides a collection of
40 // designers and a single place where global objects, such as the Properties window, can monitor selection
43 // IDesignerEventService is practicly replaced by the DesignSurfaceManager and also the
44 // meaning of Designer in IDesignerEventService is actually DesignerHost.
46 internal sealed class DesignerEventService : IDesignerEventService
49 public DesignerEventService ()
51 _designerList = new ArrayList ();
54 private ArrayList _designerList;
55 private IDesignerHost _activeDesigner;
57 public IDesignerHost ActiveDesigner {
59 return _activeDesigner;
62 IDesignerHost old = _activeDesigner;
63 _activeDesigner = value;
64 if (ActiveDesignerChanged != null)
65 ActiveDesignerChanged (this, new ActiveDesignerEventArgs (old, value));
69 public DesignerCollection Designers {
70 get { return new DesignerCollection (_designerList); }
73 public event ActiveDesignerEventHandler ActiveDesignerChanged;
74 public event DesignerEventHandler DesignerCreated;
75 public event DesignerEventHandler DesignerDisposed;
76 public event EventHandler SelectionChanged;
78 public void RaiseDesignerCreated (IDesignerHost host)
80 if (DesignerCreated != null)
81 DesignerCreated (this, new DesignerEventArgs (host));
84 public void RaiseDesignerDisposed (IDesignerHost host)
86 if (DesignerDisposed != null)
87 DesignerDisposed (this, new DesignerEventArgs (host));
90 public void RaiseSelectionChanged ()
92 if (SelectionChanged != null)
93 SelectionChanged (this, EventArgs.Empty);