Fix ungroup.

Normand Briere

2019-06-29 a69bb4474a3264a9a7a7f8b8d8154ea771f167c8

 Torus.java
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@@ -2,6 +2,8 @@
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 class Torus extends Biparam implements java.io.Serializable
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 {
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+        static final long serialVersionUID = -7637054329820073252L;
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+
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     Torus()
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     {
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         inPnt = new cVector();
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@@ -176,13 +178,13 @@
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         return true;
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     }
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-    void doEditDrag(ClickInfo info)
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+    void doEditDrag(ClickInfo info, boolean opposite)
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     {
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         if (hitSomething == 0)
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             return;
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         if (hitSomething == 1)
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         {
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-            super.doEditDrag(info);
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+            super.doEditDrag(info, opposite);
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             return;
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         }
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         double deltaR = info.x - startX;