1 files changed, 105 insertions, 0 deletions
diff --git a/Samples/CrowIDE/src/Editors/Editor.cs b/Samples/CrowIDE/src/Editors/Editor.cs
new file mode 100644
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+++ b/Samples/CrowIDE/src/Editors/Editor.cs
@@ -0,0 +1,105 @@
+//
+// Editor.cs
+//
+// Author:
+//       Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
+//
+// Copyright (c) 2013-2017 Jean-Philippe Bruyère
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+using System;
+using System.Threading;
+using System.Xml.Serialization;
+
+namespace Crow.Coding
+{
+	public abstract class Editor : ScrollingObject
+	{
+		#region CTOR
+		protected Editor ():base(){
+			Thread t = new Thread (backgroundThreadFunc);
+			t.IsBackground = true;
+			t.Start ();
+		}
+		#endregion
+
+		protected ReaderWriterLockSlim editorMutex = new ReaderWriterLockSlim(LockRecursionPolicy.SupportsRecursion);
+		protected ProjectFile projFile = null;
+		Exception error = null;
+
+		public virtual ProjectFile ProjectNode
+		{
+			get { return projFile; }
+			set
+			{
+				if (projFile == value)
+					return;
+
+				if (projFile != null)
+					projFile.UnregisterEditor (this);
+
+				projFile = value;
+
+				if (projFile != null)					
+					projFile.RegisterEditor (this);
+
+				NotifyValueChanged ("ProjectNode", projFile);
+			}
+		}
+		[XmlIgnore]public Exception Error {
+			get { return error; }
+			set {
+				if (error == value)
+					return;
+				error = value;
+				NotifyValueChanged ("Error", error);
+				NotifyValueChanged ("HasError", HasError);
+			}
+		}
+		[XmlIgnore]public bool HasError {
+			get { return error != null; }
+		}
+
+		protected abstract void updateEditorFromProjFile ();
+		protected abstract void updateProjFileFromEditor ();
+		protected abstract bool EditorIsDirty { get; set; }
+		protected virtual bool IsReady { get { return true; }}
+		protected virtual void updateCheckPostProcess () {}
+
+		protected void backgroundThreadFunc () {
+			while (true) {
+				if (IsReady) {
+					if (Monitor.TryEnter (IFace.UpdateMutex)) {
+						if (!projFile.RegisteredEditors [this]) {
+							projFile.RegisteredEditors [this] = true;
+							updateEditorFromProjFile ();
+						} else if (EditorIsDirty) {
+							EditorIsDirty = false;
+							updateProjFileFromEditor ();
+						}
+						updateCheckPostProcess ();
+						Monitor.Exit (IFace.UpdateMutex);
+					}
+				}
+				Thread.Sleep (100);
+			}	
+		}
+	}
+}
+