X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=org.simantics.plant3d%2Fsrc%2Forg%2Fsimantics%2Fplant3d%2Fscenegraph%2Fcontrolpoint%2FPipeControlPoint.java;h=8b1455ca2980a8f4927b291299efff2102d5606f;hb=refs%2Fchanges%2F42%2F3642%2F1;hp=aa5eacf9338550c88ef2e6692677c349dd0f82c3;hpb=81c2595de58576c1d0f8220633557a1c77c623de;p=simantics%2F3d.git

diff --git a/org.simantics.plant3d/src/org/simantics/plant3d/scenegraph/controlpoint/PipeControlPoint.java b/org.simantics.plant3d/src/org/simantics/plant3d/scenegraph/controlpoint/PipeControlPoint.java
index aa5eacf9..8b1455ca 100644
--- a/org.simantics.plant3d/src/org/simantics/plant3d/scenegraph/controlpoint/PipeControlPoint.java
+++ b/org.simantics.plant3d/src/org/simantics/plant3d/scenegraph/controlpoint/PipeControlPoint.java
@@ -43,6 +43,8 @@ public class PipeControlPoint extends G3DNode implements IP3DNode {
 	private boolean isSizeChange = false;  // changes size of the pipe. The next control point / component is on different PipeRun
 	private boolean isSub = false;         // child point for offset / size change
 
+	private boolean disposed = false;
+	
 	public PipeControlPoint(PipelineComponent component) {
 		this.component = component;
 		if (component.getPipeRun() != null)
@@ -1065,17 +1067,19 @@ public class PipeControlPoint extends G3DNode implements IP3DNode {
 	
 
 	public void _remove(boolean renconnect) {
-		if (component == null && next == null && previous == null)
-			return;
-		if (DEBUG) System.out.println(this + " Remove " + renconnect);
+	    if (disposed)
+	        return;
+		
+	    if (DEBUG) System.out.println(this + " Remove " + renconnect);
 
 		if (getParentPoint() != null) {
 		    getParentPoint()._remove(renconnect);
 		    return;
 		}
 		PipeRun pipeRun = getPipeRun();
-		if (pipeRun == null)
-			return;
+//		PipeRUn removal has been changed, so pipeRun may be null.
+//		if (pipeRun == null)
+//			return;
 
 		PipeControlPoint additionalRemove = null;
 		if (!PipingRules.isEnabled()) {
@@ -1088,8 +1092,10 @@ public class PipeControlPoint extends G3DNode implements IP3DNode {
 			PipeControlPoint currentNext = next;
 			if (currentNext == null && currentPrev == null) {
 				removeComponent();
-				pipeRun.remChild(this);
-				checkRemove(pipeRun);
+				if (pipeRun != null) {
+				    pipeRun.remChild(this);
+				    checkRemove(pipeRun);
+				}
 				return;
 			}
 			if (currentNext != null && currentPrev != null) {
@@ -1255,12 +1261,15 @@ public class PipeControlPoint extends G3DNode implements IP3DNode {
 		}
 
 		removeComponent();
-		pipeRun.remChild(this);
-		checkRemove(pipeRun);
-		if (PipingRules.isEnabled() && pipeRun.getParent() != null && pipeRun.getControlPoints().size() > 0)
-			PipingRules.validate(pipeRun);
+		if (pipeRun != null) {
+    		pipeRun.remChild(this);
+    		checkRemove(pipeRun);
+    		if (PipingRules.isEnabled() && pipeRun.getParent() != null && pipeRun.getControlPoints().size() > 0)
+    			PipingRules.validate(pipeRun);
+		}
 		if (additionalRemove != null)
 			additionalRemove.remove();
+		disposed = true;
 	}
 
 	/**
@@ -1353,6 +1362,8 @@ public class PipeControlPoint extends G3DNode implements IP3DNode {
     }
 
 	private boolean checkRemove(PipeRun pipeRun) {
+	    if (pipeRun == null)
+	        return false;
 		Collection<PipeControlPoint> points = pipeRun.getControlPoints();
 		if (points.size() == 0) {
 			pipeRun.remove();