113 lines
2.8 KiB
C#
113 lines
2.8 KiB
C#
//
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// System.ComponentModel.Design.DesignerTransaction.cs
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//
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// Author:
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// Alejandro Sánchez Acosta (raciel@es.gnu.org)
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// Andreas Nahr (ClassDevelopment@A-SoftTech.com)
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//
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// (C) Alejandro Sánchez Acosta
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// (C) 2003 Andreas Nahr
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// Copyright (C) 2005 Novell, Inc (http://www.novell.com)
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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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namespace System.ComponentModel.Design
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{
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public abstract class DesignerTransaction : IDisposable
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{
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private string description;
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private bool committed;
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private bool canceled;
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protected DesignerTransaction ()
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: this ("")
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{
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}
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protected DesignerTransaction (string description)
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{
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this.description = description;
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this.committed = false;
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this.canceled = false;
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}
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void IDisposable.Dispose ()
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{
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Dispose (true);
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}
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protected virtual void Dispose (bool disposing)
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{
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Cancel ();
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if (disposing) {
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GC.SuppressFinalize (true);
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}
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}
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protected abstract void OnCancel ();
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protected abstract void OnCommit ();
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public void Cancel ()
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{
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// LAMESPEC Cannot find anything about the exact behavior, but I do some checks that
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// seem to make sense
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if (this.Canceled == false && this.Committed == false) {
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this.canceled = true;
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OnCancel ();
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}
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}
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public void Commit ()
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{
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// LAMESPEC Cannot find anything about the exact behavior, but I do some checks that
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// seem to make sense
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if (this.Canceled == false && this.Committed == false) {
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this.committed = true;
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OnCommit ();
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}
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}
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public bool Canceled {
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get {
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return canceled;
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}
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}
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public bool Committed {
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get {
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return committed;
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}
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}
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public string Description {
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get {
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return description;
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}
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}
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~DesignerTransaction ()
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{
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Dispose (false);
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}
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}
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}
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