97 lines
3.1 KiB
C#
97 lines
3.1 KiB
C#
//
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// System.ComponentModel.Design.DesignerEventService
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//
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// Authors:
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// Ivan N. Zlatev (contact i-nZ.net)
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//
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// (C) 2006-2007 Ivan N. Zlatev
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.ComponentModel;
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using System.Collections;
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namespace System.ComponentModel.Design
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{
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// IDesignerEventService provides a global eventing mechanism for designer events. With this mechanism,
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// an application is informed when a designer becomes active. The service provides a collection of
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// designers and a single place where global objects, such as the Properties window, can monitor selection
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// change events.
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//
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// IDesignerEventService is practicly replaced by the DesignSurfaceManager and also the
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// meaning of Designer in IDesignerEventService is actually DesignerHost.
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//
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internal sealed class DesignerEventService : IDesignerEventService
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{
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public DesignerEventService ()
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{
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_designerList = new ArrayList ();
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}
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private ArrayList _designerList;
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private IDesignerHost _activeDesigner;
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public IDesignerHost ActiveDesigner {
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get {
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return _activeDesigner;
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}
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internal set {
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IDesignerHost old = _activeDesigner;
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_activeDesigner = value;
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if (ActiveDesignerChanged != null)
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ActiveDesignerChanged (this, new ActiveDesignerEventArgs (old, value));
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}
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}
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public DesignerCollection Designers {
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get { return new DesignerCollection (_designerList); }
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}
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public event ActiveDesignerEventHandler ActiveDesignerChanged;
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public event DesignerEventHandler DesignerCreated;
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public event DesignerEventHandler DesignerDisposed;
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public event EventHandler SelectionChanged;
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public void RaiseDesignerCreated (IDesignerHost host)
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{
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if (DesignerCreated != null)
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DesignerCreated (this, new DesignerEventArgs (host));
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}
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public void RaiseDesignerDisposed (IDesignerHost host)
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{
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if (DesignerDisposed != null)
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DesignerDisposed (this, new DesignerEventArgs (host));
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}
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public void RaiseSelectionChanged ()
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{
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if (SelectionChanged != null)
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SelectionChanged (this, EventArgs.Empty);
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}
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}
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}
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