140 lines
3.5 KiB
C#
140 lines
3.5 KiB
C#
//
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// System.ComponentModel.Design.DesignSurfaceCollection
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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 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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// A read-only collection of design surfaces.
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// A wrapper around a DesignerCollection, which get's the DesignSurface for the IDesignerHost
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// on the fly.
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//
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public sealed class DesignSurfaceCollection : ICollection, IEnumerable
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{
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private class DesignSurfaceEnumerator : IEnumerator
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{
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IEnumerator _designerCollectionEnumerator;
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public DesignSurfaceEnumerator (IEnumerator designerCollectionEnumerator)
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{
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_designerCollectionEnumerator = designerCollectionEnumerator;
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}
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public bool MoveNext ()
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{
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return _designerCollectionEnumerator.MoveNext ();
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}
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public void Reset ()
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{
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_designerCollectionEnumerator.Reset ();
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}
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public object Current {
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get {
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IDesignerHost designer = (IDesignerHost) _designerCollectionEnumerator.Current;
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DesignSurface surface = designer.GetService (typeof (DesignSurface)) as DesignSurface;
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if (surface == null)
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throw new NotSupportedException ();
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return surface;
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}
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}
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} // DesignSurfaceEnumerator
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private DesignerCollection _designers;
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internal DesignSurfaceCollection (DesignerCollection designers)
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{
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if (designers == null)
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designers = new DesignerCollection (null);
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_designers = designers;
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}
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public int Count {
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get { return _designers.Count; }
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}
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public DesignSurface this[int index] {
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get {
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IDesignerHost designer = _designers[index];
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DesignSurface surface = designer.GetService (typeof (DesignSurface)) as DesignSurface;
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if (surface == null)
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throw new NotSupportedException ();
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return surface;
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}
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}
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public void CopyTo (DesignSurface[] array, int index)
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{
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((ICollection) this).CopyTo (array, index);
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}
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void ICollection.CopyTo (Array array, int index)
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{
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foreach (DesignSurface surface in this) {
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array.SetValue (surface, index);
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index++;
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}
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}
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public IEnumerator GetEnumerator ()
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{
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return new DesignSurfaceEnumerator (_designers.GetEnumerator ());
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}
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IEnumerator IEnumerable.GetEnumerator ()
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{
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return GetEnumerator ();
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}
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int ICollection.Count {
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get { return this.Count; }
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}
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bool ICollection.IsSynchronized {
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get { return false; }
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}
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object ICollection.SyncRoot {
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get { return null; }
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}
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}
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}
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