> ILink::index (uint) -> ILink::id (String)

src/ru/gotoandstop/nodes/VacuumLayout.as

@@ -67,11 +67,11 @@ public class VacuumLayout extends EventDispatcher implements IDisposable {
 		return this.layers[name];
 	}
 
-	public function connect(first:IPort, second:IPort, index:uint = 0):uint {
+	public function connect(first:IPort, second:IPort, id:String=null):String {
 		var connection:ILink;
-		if (index) {
+		if (id) {
 			for each(var c:ILink in _links) {
-				if (c.index == index) {
+				if (c.id == id) {
 					connection = c;
 					break;
 				}
@@ -83,11 +83,11 @@ public class VacuumLayout extends EventDispatcher implements IDisposable {
             connection = _linkProvider.provideLink(first, second);
 			_links.push(connection);
 		}
-		return connection.index;
+		return connection.id;
 	}
 
-	public function connectWithMouse(port:PortPoint, index:uint = 0):uint {
-		return this.connect(port, this.cursor, index);
+	public function connectWithMouse(port:PortPoint, id:String=null):String {
+		return this.connect(port, this.cursor, id);
 	}
 
 	public function addDataType(type:String, obj:*):void {
@@ -98,9 +98,9 @@ public class VacuumLayout extends EventDispatcher implements IDisposable {
 		return null;
 	}
 
-	public function breakConnection(connectionIndex:uint):void {
+	public function breakConnection(connectionIndex:String):void {
 		for each(var c:ILink in this._links) {
-			if (c.index == connectionIndex) {
+			if (c.id == connectionIndex) {
 				var index:int = this._links.indexOf(c);
 				this._links.splice(index, 1);
 

src/ru/gotoandstop/nodes/core/NodeSystem.as

@@ -38,7 +38,7 @@ public class NodeSystem extends Sprite implements INodeSystem {
     private var _mouseDownCoord:Point = new Point();
 
     private var connections:Vector.<Object>;
-    private var fakeConnection:uint;
+    private var fakeConnection:String;
     private var firstPortFake:PortPoint;
 
     private var nodeLibrary:Object;
@@ -214,11 +214,11 @@ public class NodeSystem extends Sprite implements INodeSystem {
             }
         }
 
-        var connection_index:uint = _vacuum.connect(from, to, fakeConnection);
+        var connection_id:String = _vacuum.connect(from, to, fakeConnection);
         connections.push({
             from:from,
             to:to,
-            vacuumIndex:connection_index
+            vacuumIndex:connection_id
         });
 
         transferData(from.node.id, from.property, to.node.id, to.property, TransportOrigin.LINK_ESTABLISHING);
@@ -495,7 +495,7 @@ public class NodeSystem extends Sprite implements INodeSystem {
     private function handleInVertexMouseUp(event:MouseEvent):void {
         const vertex:PortPoint = event.currentTarget as PortPoint;
         makeLink(firstPortFake, vertex);
-        fakeConnection = 0;
+        fakeConnection = null;
         firstPortFake = null;
     }
 
@@ -518,7 +518,7 @@ public class NodeSystem extends Sprite implements INodeSystem {
         }
 
         _vacuum.breakConnection(fakeConnection);
-        fakeConnection = 0;
+        fakeConnection = null;
         firstPortFake = null;
     }
 

src/ru/gotoandstop/nodes/links/BezierQuadConnection.as

@@ -32,7 +32,6 @@ public class BezierQuadConnection extends NodeLink{
 	public function BezierQuadConnection(canvas:DisplayObjectContainer) {
         super("bezierquad");
 		_canvas = canvas;
-		_index = DirectLink.getIndex();
 		spline = new Spline(canvas);
 
 		view = new SplineView(spline);

src/ru/gotoandstop/nodes/links/DirectLink.as

@@ -16,12 +16,6 @@ import ru.gotoandstop.vacuum.core.ITargetVertex;
 import ru.gotoandstop.vacuum.core.TargetVertex;
 
 public class DirectLink extends NodeLink{
-	private static var count:uint = 1;
-
-    internal static function getIndex():uint {
-		return count++;
-	}
-
 	protected var _canvas:DisplayObjectContainer;
 	public function get canvas():DisplayObjectContainer {
 		return _canvas;
@@ -36,7 +30,6 @@ public class DirectLink extends NodeLink{
 	public function DirectLink(canvas:DisplayObjectContainer) {
         super("simplelink");
 		_canvas = canvas;
-		_index = DirectLink.getIndex();
 
 		_first = new TargetVertex();
 		_second = new TargetVertex();

src/ru/gotoandstop/nodes/links/ILink.as

@@ -11,7 +11,7 @@ import ru.gotoandstop.ILockable;
 import ru.gotoandstop.ISerializable;
 
 public interface ILink extends ISerializable, ILockable, IDisposable{
-    function get index():uint;
+    function get id():String;
     function get type():String;
     function get inputPort():IPort;
     function set inputPort(value:IPort):void;

src/ru/gotoandstop/nodes/links/NodeLink.as

@@ -6,13 +6,18 @@
  */
 package ru.gotoandstop.nodes.links {
 import flash.errors.IllegalOperationError;
+import flash.utils.getTimer;
 
 import ru.gotoandstop.nodes.NodeSystemElementType;
 
 public class NodeLink implements ILink{
-    protected var _index:uint;
-    public function get index():uint {
-        return _index;
+    private static function generateID():String {
+        return "link"+getTimer().toString(16);
+    }
+
+    protected var _id:String;
+    public function get id():String {
+        return _id;
     }
 
     private var _type:String;
@@ -47,14 +52,15 @@ public class NodeLink implements ILink{
 
     public function NodeLink(linkType:String) {
         _type = linkType;
+        _id = generateID();
         init();
     }
 
     public function encode():Object {
         return {
             "elementType":NodeSystemElementType.LINK,
             "type":type,
-            "index":index
+            "index":id
         };
     }