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//
// 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);
}
}
}
}
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